:root {
    --plans-bg: #03040c;
    --plans-surface: #090c19;
    --plans-panel: #0d1122;
    --plans-panel-alt: #11162a;
    --plans-panel-soft: #080a14;
    --plans-border: rgba(255, 255, 255, 0.08);
    --plans-border-strong: rgba(255, 255, 255, 0.16);
    --plans-text: #f6f7ff;
    --plans-text-dark: #0c1324;
    --plans-muted: rgba(246, 247, 255, 0.64);
    --plans-label: rgba(246, 247, 255, 0.45);
    --plans-accent: #ffc955;
    --plans-accent-hot: #ff9d4d;
    --plans-success: #7efad1;
    --plans-surface-light: #ffffff;
    --plans-surface-muted: #f6f8ff;
    --plans-radius-sm: 12px;
    --plans-radius-md: 18px;
    --plans-radius-lg: 28px;
    --plans-font: "Space Grotesk", "Inter", "Segoe UI", system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
    --plans-transition: 240ms cubic-bezier(0.19, 1, 0.22, 1);
    --plans-shadow-card: 0 30px 60px rgba(0, 0, 0, 0.55);
    --plans-shadow-soft: 0 18px 40px rgba(0, 0, 0, 0.4);
    --plans-sticky-offset: clamp(0.05rem, 0.5vw, 0.4rem);
    --plans-scroll-track: rgba(255, 255, 255, 0.08);
    --plans-scroll-thumb: linear-gradient(130deg, #ffd86b, #ffb347);
    --plans-scroll-thumb-border: rgba(5, 6, 12, 0.95);
    --plans-header-bg: var(--color-bg-dark, #0f172a);
    --plans-header-panel: rgba(9, 13, 26, 0.94);
    --plans-header-gradient: linear-gradient(150deg, rgba(12, 17, 34, 0.96), rgba(5, 7, 16, 0.94));
    --plans-session-card-offset: clamp(-1.4rem, -0.85rem, -0.1rem);
    --plans-session-card-bottom-gap: clamp(0.6rem, 1vh, 1.4rem);
    --plans-session-available-height: calc(100vh - var(--app-header-height, 56px));
    --plans-session-bottom-buffer: clamp(2.3rem, 4vh, 4.4rem);
    --plans-sticky-header-gap: clamp(-0.35rem, 0.25vw, 0.65rem);
    --plans-chat-bottom-adjust: clamp(0.9rem, 1.9vh, 2.4rem);
    --plans-chat-top-gap: clamp(-0.85rem, -0.4rem, 0rem);
    --plans-chat-top-lift: 0rem;
    --plans-viewer-height-reduction: clamp(2.9rem, 7vh, 7.8rem);
    --plans-chat-height-reduction: clamp(1.2rem, 3.2vh, 4.2rem);
    --plans-viewer-max-height: calc(var(--plans-session-available-height, 100vh) - var(--plans-session-card-offset, 1rem) - var(--plans-session-bottom-buffer, 6rem) - var(--plans-viewer-height-reduction, 0));
    --plans-chat-max-height: calc(var(--plans-session-available-height, 100vh) - var(--plans-session-card-offset, 1rem) - var(--plans-session-bottom-buffer, 6rem) - var(--plans-chat-bottom-adjust, 2rem) - var(--plans-chat-height-reduction, 0));
    --plans-mobile-input-height: 76px;
    --plans-mobile-button-size: 44px;
    --plans-mobile-input-safe-area: calc(var(--plans-mobile-input-height, 76px) + 32px);
    --plans-mobile-keyboard-offset: 0px;
    --plans-mobile-input-lift: 0px;
}

body.plans-body {
    background: var(--plans-bg);
    color: var(--plans-text);
    font-family: var(--plans-font);
    min-height: 100vh;
    overflow-x: hidden;
    max-width: 100vw;
    width: 100%;
    position: relative;
}

body.plans-body.plans-landing-page {
    overflow-y: hidden;
}

.plans-body,
.plans-landing-root,
.plans-session-root {
    overflow-x: hidden;
    max-width: 100vw;
}

.plans-body::-webkit-scrollbar,
.plans-body *::-webkit-scrollbar {
    width: 10px;
    height: 8px;
}

.plans-body::-webkit-scrollbar-thumb,
.plans-body *::-webkit-scrollbar-thumb {
    background: var(--plans-scroll-thumb);
    border-radius: 999px;
    border: 2px solid var(--plans-scroll-thumb-border);
    box-shadow: 0 0 12px rgba(255, 201, 85, 0.3);
}

.plans-body::-webkit-scrollbar-thumb:hover,
.plans-body *::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(130deg, #ffe082, #ffc057);
}

body.plans-body .app-main {
    --plans-chat-height-reduction: clamp(0rem, 0.6vh, 1.25rem);
    --plans-viewer-height-reduction: clamp(0.8rem, 2.1vh, 3.2rem);
    padding: 0 0 clamp(1.85rem, 3vw, 3.2rem);
    background:
        radial-gradient(circle at 85% 5%, rgba(82, 126, 255, 0.15), transparent 50%),
        var(--plans-bg);

}

body.plans-body.plans-landing-page .app-main {
    height: calc(100vh - var(--app-header-height, 56px));
    min-height: calc(100vh - var(--app-header-height, 56px));
    padding: 0 clamp(1rem, 2.5vw, 2.25rem) clamp(1rem, 2vw, 2rem);
    overflow: hidden;
}

body.plans-body .app-footer {
    display: none;
}

body.plans-body .app-footer p {
    color: var(--plans-muted);
    font-size: 0.85rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

body.plans-body .app-footer .brand-white {
    color: var(--plans-text);
}

::selection {
    background: rgba(255, 201, 85, 0.25);
    color: var(--plans-text);
}

.plans-body a {
    color: inherit;
}

body.plans-viewer-open {
    overflow: hidden;
}

.is-hidden {
    display: none !important;
}

/* Shared atoms */

.plans-label {
    font-size: 0.72rem;
    letter-spacing: 0.3em;
    text-transform: uppercase;
    color: var(--plans-label);
}

.plans-card {
    border-radius: var(--plans-radius-lg);
    border: 1px solid var(--plans-border);
    background: linear-gradient(150deg, rgba(14, 17, 32, 0.96), rgba(5, 5, 11, 0.92));
    padding: 1.75rem;
    box-shadow: var(--plans-shadow-card);
}

.plans-viewer-card {
    padding: 0;
    border: none;
    border-radius: 0;
    background: transparent;
    box-shadow: none;
    display: flex;
    flex-direction: column;
    gap: clamp(0.35rem, 1vw, 0.85rem);
    min-height: 0;
    height: auto;
    max-height: none;
    overflow: visible;
    width: 100%;
}


.plans-header-quota {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 0.65rem;
    margin-left: auto;
    min-width: 0;
}

@media (max-width: 720px) {
    .plans-header-quota {
        width: 100%;
        justify-content: flex-end;
    }
}

@media (max-width: 720px) {
    .plans-chat-jump {
        width: 48px;
        height: 48px;
        right: 0.75rem;
        bottom: calc(var(--plans-mobile-input-safe-area, 96px) + var(--plans-mobile-keyboard-offset, 0px) + env(safe-area-inset-bottom, 0px) + 6rem);
    }
}

@media (max-width: 540px) {
    .plans-vault-card-item {
        grid-template-columns: minmax(0, 1fr);
        grid-auto-rows: auto;
    }

    .plans-vault-thumb {
        width: 100%;
        height: clamp(140px, 45vw, 220px);
    }

    .plans-chat-jump {
        width: 44px;
        height: 44px;
        right: 0.75rem;
        bottom: calc(var(--plans-mobile-input-safe-area, 96px) + var(--plans-mobile-keyboard-offset, 0px) + env(safe-area-inset-bottom, 0px) + 7rem);
    }

    .plans-vault-actions {
        width: 100%;
        justify-content: flex-start;
    }
}

.plans-billing-banner {
    border-radius: var(--plans-radius-md);
    border: 1px solid rgba(126, 250, 209, 0.32);
    background: linear-gradient(145deg, rgba(22, 46, 43, 0.9), rgba(12, 24, 22, 0.85));
    color: var(--plans-success);
    padding: 0.65rem 0.9rem;
    font-size: 0.86rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.65rem;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.4);
}

.plans-upload-card .plans-billing-banner {
    margin-bottom: 1.3rem;
}

.plans-quota-row {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    flex-wrap: wrap;
    justify-content: flex-end;
    margin-left: auto;
    min-width: 0;
}

#plans-upload .plans-quota-row {
    margin-left: 0;
    justify-content: flex-start;
}

.plans-quota-row .plans-btn {
    flex: 0 0 auto;
}

.plans-billing-banner[hidden] {
    display: none !important;
}

.plans-billing-banner-text {
    flex: 1;
    line-height: 1.4;
}

.plans-billing-banner-close {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    border: 1px solid rgba(255, 255, 255, 0.25);
    background: transparent;
    color: inherit;
    position: relative;
    cursor: pointer;
}

.plans-billing-banner-close::before,
.plans-billing-banner-close::after {
    content: "";
    position: absolute;
    top: 50%;
    left: 50%;
    width: 12px;
    height: 2px;
    background: currentColor;
    transform-origin: center;
}

.plans-billing-banner-close::before {
    transform: translate(-50%, -50%) rotate(45deg);
}

.plans-billing-banner-close::after {
    transform: translate(-50%, -50%) rotate(-45deg);
}

.plans-billing-banner-close:hover,
.plans-billing-banner-close:focus-visible {
    border-color: currentColor;
    background: rgba(255, 255, 255, 0.08);
    outline: none;
}

.plans-viewer-body {
    display: flex;
    flex-direction: column;
    gap: clamp(0.5rem, 1vw, 1.1rem);
    flex: 1;
    min-height: 0;
}

.plans-quota-pill {
    --pill-border: rgba(255, 201, 85, 0.45);
    --pill-glow: rgba(255, 201, 85, 0.22);
    --pill-text: rgba(255, 255, 255, 0.92);
    --pill-bg: linear-gradient(130deg, rgba(9, 13, 26, 0.9), rgba(4, 6, 14, 0.92));
    --quota-tier-color: var(--plans-accent);
    --quota-usage-color: rgba(255, 255, 255, 0.78);
    display: inline-flex;
    align-items: center;
    gap: 0.55rem;
    border-radius: 999px;
    border: 1px solid var(--pill-border);
    padding: 0.35rem 0.85rem 0.35rem 0.4rem;
    color: var(--pill-text);
    background: var(--pill-bg);
    position: relative;
    box-shadow:
        0 18px 35px rgba(0, 0, 0, 0.45),
        0 0 20px var(--pill-glow);
    overflow: hidden;
    isolation: isolate;
    flex: 0 0 auto;
    max-width: min(100%, 320px);
    font-size: 0.75rem;
    backdrop-filter: blur(14px);
    transition:
        border-color var(--plans-transition),
        background var(--plans-transition),
        box-shadow var(--plans-transition);
}

.plans-quota-pill::before {
    content: "";
    position: absolute;
    inset: 1px;
    border-radius: inherit;
    background: radial-gradient(circle at 20% 40%, rgba(255, 255, 255, 0.16), transparent 55%);
    pointer-events: none;
    z-index: -1;
}

.plans-quota-pill[data-state="loading"] {
    opacity: 0.85;
    animation: pulseQuota 1.4s ease-in-out infinite;
}

.plans-quota-pill[data-state="blocked"] {
    --pill-border: rgba(255, 128, 149, 0.7);
    --pill-text: #ffe6ec;
    --pill-glow: rgba(255, 77, 108, 0.35);
    --pill-bg: linear-gradient(135deg, rgba(48, 9, 18, 0.95), rgba(20, 6, 12, 0.92));
    --quota-tier-color: #ffd8e1;
    --quota-usage-color: rgba(255, 214, 223, 0.9);
}

.plans-quota-pill[data-state="warning"] {
    --pill-border: rgba(255, 201, 85, 0.8);
    --pill-text: rgba(255, 231, 191, 0.95);
    --pill-glow: rgba(255, 180, 70, 0.4);
    --pill-bg: linear-gradient(135deg, rgba(44, 28, 8, 0.95), rgba(26, 16, 5, 0.92));
    --quota-tier-color: var(--plans-accent);
    --quota-usage-color: rgba(255, 231, 191, 0.85);
}

.plans-quota-pill[data-state="ok"] {
    --pill-border: rgba(126, 250, 209, 0.65);
    --pill-text: rgba(224, 255, 248, 0.95);
    --pill-glow: rgba(126, 250, 209, 0.38);
    --pill-bg: linear-gradient(135deg, rgba(9, 26, 23, 0.95), rgba(4, 14, 12, 0.9));
    --quota-tier-color: var(--plans-success);
    --quota-usage-color: rgba(224, 255, 248, 0.85);
}


.plans-quota-pill[data-tier="free"] {
    --pill-border: rgba(130, 148, 255, 0.55);
    --pill-glow: rgba(130, 148, 255, 0.22);
    --pill-bg: linear-gradient(140deg, rgba(15, 18, 38, 0.92), rgba(7, 10, 26, 0.9));
    --quota-tier-color: rgba(173, 192, 255, 0.95);
}

.plans-quota-pill[data-tier="visitor"] {
    --pill-border: rgba(126, 250, 209, 0.55);
    --pill-glow: rgba(126, 250, 209, 0.24);
    --pill-bg: linear-gradient(140deg, rgba(6, 18, 20, 0.95), rgba(3, 10, 12, 0.92));
    --quota-tier-color: rgba(126, 250, 209, 0.98);
}

.plans-quota-pill[data-tier="free"] .plans-quota-pill-icon {
    background: radial-gradient(circle at 35% 30%, rgba(130, 148, 255, 0.85), rgba(7, 11, 32, 0.4));
}

.plans-quota-pill[data-tier="visitor"] .plans-quota-pill-icon {
    background: radial-gradient(circle at 35% 30%, rgba(126, 250, 209, 0.85), rgba(4, 12, 10, 0.45));
}


.plans-quota-pill[data-tier="starter"],
.plans-quota-pill[data-tier="paid"] {
    --pill-border: rgba(255, 201, 85, 0.78);
    --pill-glow: rgba(255, 180, 70, 0.42);
    --pill-bg: linear-gradient(135deg, rgba(39, 23, 6, 0.96), rgba(22, 14, 5, 0.92));
    --quota-tier-color: rgba(255, 214, 156, 0.96);
}


.plans-quota-pill[data-tier="pro"] {
    --pill-border: rgba(126, 250, 209, 0.7);
    --pill-glow: rgba(126, 250, 209, 0.38);
    --pill-bg: linear-gradient(135deg, rgba(7, 26, 23, 0.96), rgba(4, 14, 12, 0.9));
    --quota-tier-color: var(--plans-success);
}


.plans-quota-pill[data-tier="enterprise"] {
    --pill-border: rgba(255, 255, 255, 0.65);
    --pill-glow: rgba(255, 255, 255, 0.32);
    --pill-bg: linear-gradient(145deg, rgba(24, 21, 41, 0.96), rgba(10, 9, 18, 0.92));
    --quota-tier-color: #f8f3ff;
}

.plans-quota-pill-label {
    display: flex;
    flex-direction: column;
    gap: 0.1rem;
    letter-spacing: 0.06em;
    text-transform: none;
    font-weight: 600;
    line-height: 1.1;
    min-width: 0;
}

.plans-quota-tier {
    font-size: 0.58rem;
    font-weight: 700;
    letter-spacing: 0.18em;
    color: var(--quota-tier-color);
    text-transform: uppercase;
}

.plans-quota-dot {
    width: 100%;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.35), transparent);
}

.plans-quota-usage {
    font-size: 0.52rem;
    letter-spacing: 0.1em;
    color: var(--quota-usage-color);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 100%;
    text-transform: uppercase;
}

.plans-quota-pill-icon {
    width: 26px;
    height: 26px;
    border-radius: 10px;
    border: 1px solid rgba(255, 255, 255, 0.25);
    background: radial-gradient(circle at 30% 30%, var(--quota-tier-color), rgba(10, 14, 26, 0.65));
    position: relative;
    box-shadow:
        0 8px 16px rgba(0, 0, 0, 0.45),
        inset 0 0 10px rgba(255, 255, 255, 0.12);
}

.plans-quota-pill-icon::after {
    content: "";
    position: absolute;
    inset: 4px;
    border-radius: 6px;
    border: 1px solid rgba(255, 255, 255, 0.3);
    opacity: 0.8;
}

.plans-quota-pill-action {
    border: 1px solid rgba(255, 201, 85, 0.65);
    border-radius: 999px;
    background: rgba(255, 201, 85, 0.12);
    color: var(--plans-accent);
    text-transform: uppercase;
    letter-spacing: 0.12em;
    font-size: 0.56rem;
    cursor: pointer;
    padding: 0.25rem 0.75rem;
    transition: background var(--plans-transition), border-color var(--plans-transition), color var(--plans-transition);
}

.plans-header-quota .plans-quota-pill {
    gap: 0.4rem;
    padding: 0.25rem 0.6rem 0.25rem 0.25rem;
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.35), 0 0 12px var(--pill-glow);
}

.plans-header-quota .plans-quota-pill-icon {
    width: 24px;
    height: 24px;
}

.plans-header-quota .plans-quota-tier {
    font-size: 0.58rem;
}

.plans-header-quota .plans-quota-usage {
    font-size: 0.54rem;
}

.plans-header-quota .plans-quota-pill-action {
    font-size: 0.5rem;
    padding: 0.2rem 0.6rem;
}

@media (max-width: 720px) {
    .plans-header-quota .plans-quota-pill {
        width: 100%;
        max-width: 100%;
        justify-content: space-between;
        gap: 0.4rem;
    }

    .plans-header-quota .plans-quota-pill-label {
        flex: 1;
    }
}

.plans-quota-pill-action:hover,
.plans-quota-pill-action:focus-visible {
    border-color: rgba(255, 201, 85, 0.95);
    background: rgba(255, 201, 85, 0.22);
    color: #1a1405;
}

@keyframes pulseQuota {
    0% { opacity: 0.65; }
    50% { opacity: 1; }
    100% { opacity: 0.65; }
}

@media (max-width: 720px) {
    .plans-quota-pill {
        font-size: 0.65rem;
        padding: 0.2rem 0.45rem 0.2rem 0.2rem;
        gap: 0.25rem;
        max-width: min(100%, 200px);
    }

    .plans-quota-pill-icon {
        width: 18px;
        height: 18px;
    }

    .plans-quota-pill-label {
        letter-spacing: 0.08em;
        font-size: 0.62rem;
        gap: 0.05rem;
    }

    .plans-quota-tier {
        font-size: 0.5rem;
        letter-spacing: 0.12em;
    }

    .plans-quota-usage {
        font-size: 0.62rem;
    }

    .plans-quota-pill::before {
        display: none;
    }

    .plans-quota-pill-action {
        margin-left: 0.3rem;
        padding: 0.15rem 0.5rem;
        font-size: 0.5rem;
    }
}


.plans-card-title {
    margin: 0;
    font-size: 0.96rem;
    letter-spacing: 0.3em;
    text-transform: uppercase;
    color: #ffffff;
}

.plans-card-title-accent {
    color: var(--plans-accent);
}

.plans-card-subtitle {
    margin: 0.5rem 0 0;
    color: var(--plans-muted);
    line-height: 1.5;
}

.plans-chat-card .plans-card-title {
    font-size: 0.88rem;
    letter-spacing: 0.22em;
}

.plans-chat-card .plans-card-subtitle {
    font-size: 0.78rem;
}

.plans-chat-alert {
    display: none;
    align-items: center;
    gap: 0.85rem;
    margin-bottom: 1.15rem;
    padding: 0.85rem 1rem;
    border-radius: var(--plans-radius-md);
    border: 1px solid rgba(255, 201, 85, 0.4);
    background: linear-gradient(140deg, rgba(38, 24, 6, 0.85), rgba(13, 10, 6, 0.9));
    color: var(--plans-accent);
    box-shadow: 0 18px 35px rgba(0, 0, 0, 0.35);
}

.plans-chat-alert[data-state="visible"] {
    display: flex;
}

.plans-chat-alert[data-variant="danger"] {
    border-color: rgba(255, 130, 149, 0.55);
    background: linear-gradient(145deg, rgba(48, 6, 15, 0.92), rgba(20, 6, 9, 0.92));
    color: #ffdfe6;
}

.plans-chat-alert-icon {
    width: 18px;
    height: 18px;
    border-radius: 50%;
    flex: 0 0 auto;
    background: currentColor;
    opacity: 0.9;
    box-shadow: 0 0 18px currentColor;
    margin-top: 0.15rem;
}

.plans-chat-alert-body {
    display: flex;
    align-items: center;
    gap: 0.9rem;
    flex: 1;
    flex-wrap: wrap;
}

.plans-chat-alert-text {
    margin: 0;
    line-height: 1.4;
    flex: 1 1 200px;
}

.plans-chat-alert-action {
    flex: 0 0 auto;
    border-radius: 999px;
    border: 1px solid currentColor;
    background: transparent;
    color: inherit;
    padding: 0.45rem 1.1rem;
    font-size: 0.72rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    cursor: pointer;
    transition: background var(--plans-transition), color var(--plans-transition);
}

.plans-chat-alert-action:hover,
.plans-chat-alert-action:focus-visible {
    background: rgba(255, 255, 255, 0.08);
    outline: none;
}

@media (max-width: 720px) {
    .plans-chat-alert {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.65rem;
    }

    .plans-chat-alert-body {
        flex-direction: column;
        align-items: flex-start;
        width: 100%;
        gap: 0.5rem;
    }

    .plans-chat-alert-action {
        width: 100%;
        text-align: center;
    }
}

.plans-card-footer {
    margin-top: 1.5rem;
    font-size: 0.78rem;
    color: var(--plans-muted);
}

.plans-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.35rem;
    padding: 0.85rem 1.9rem;
    border-radius: 999px;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    font-size: 0.85rem;
    border: 1px solid transparent;
    cursor: pointer;
    transition: transform var(--plans-transition), box-shadow var(--plans-transition), border-color var(--plans-transition), background var(--plans-transition);
}

.plans-btn-primary {
    background: linear-gradient(120deg, var(--plans-accent), var(--plans-accent-hot));
    color: #141217;
    box-shadow: 0 18px 35px rgba(255, 157, 77, 0.35);
}

.plans-btn-primary:hover {
    transform: translateY(-2px);
}

.plans-btn-secondary {
    background: transparent;
    border-color: rgba(255, 201, 85, 0.65);
    color: var(--plans-accent);
}

.plans-btn-secondary:hover {
    border-color: var(--plans-accent);
}

.plans-chip {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.45rem 0.95rem;
    border-radius: 999px;
    border: 1px solid rgba(255, 255, 255, 0.08);
    font-size: 0.8rem;
    line-height: 1;
    background: rgba(255, 255, 255, 0.04);
    margin-bottom: 0.5rem;
}

.plans-chip-outline {
    border-color: rgba(255, 201, 85, 0.45);
    color: var(--plans-accent);
    background: transparent;
}

.plans-chip-soft {
    background: rgba(255, 201, 85, 0.12);
    border-color: transparent;
    color: var(--plans-accent);
}

.plans-chip-dot {
    width: 0.5rem;
    height: 0.5rem;
    border-radius: 999px;
    background: var(--plans-accent);
    display: inline-block;
}

/* Landing */

.plans-landing-root {
    max-width: 1200px;
    margin: 0 auto;
    padding: clamp(0.75rem, 3vw, 1.85rem) clamp(1.1rem, 3vw, 1.75rem) clamp(1.25rem, 3vw, 2.5rem);
    width: 100%;
    color: var(--plans-text);
    display: flex;
    flex-direction: column;
    flex: 1;
    height: 100%;
    box-sizing: border-box;
    overflow: hidden;
}

.plans-marketing-nav {
    margin-bottom: 2rem;
    padding-top: 1rem;
}

.plans-hero {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2.5rem;
    border: 1px solid var(--plans-border);
    border-radius: var(--plans-radius-lg);
    padding: clamp(2rem, 5vw, 3.5rem);
    margin-bottom: 3.5rem;
    background: linear-gradient(140deg, rgba(24, 30, 55, 0.92), rgba(4, 6, 12, 0.95));
    box-shadow: var(--plans-shadow-card);
}

.plans-hero-content {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}
.plans-main-viewer-shell {
    display: flex;
    flex-direction: column;
    gap: 0.9rem;
    flex: 1;
    min-height: 0;
}
.plans-viewer-toggle-shell {
    display: flex;
    justify-content: flex-end;
    align-items: center;
    width: 100%;
    margin-bottom: clamp(0.2rem, 0.8vw, 0.75rem);
    padding: 0 clamp(0.35rem, 1vw, 0.95rem);
    gap: 0.5rem;
    position: relative;
    z-index: 1;
}

.plans-session-grid.is-viewer-collapsed .plans-viewer-toggle-shell {
    justify-content: flex-start;
}
.plans-viewer-toggle {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    border-radius: 999px;
    border: 1px solid rgba(255, 201, 85, 0.35);
    background: rgba(255, 255, 255, 0.04);
    color: var(--plans-accent);
    font-size: 0.72rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    padding: 0.45rem 0.9rem;
    cursor: pointer;
    transition: background var(--plans-transition), border-color var(--plans-transition), color var(--plans-transition);
    position: relative;
    z-index: 2;
}

.plans-viewer-toggle:hover,
.plans-viewer-toggle:focus-visible {
    border-color: rgba(255, 201, 85, 0.65);
    color: #ffffff;
}

.plans-viewer-toggle-icon {
    width: 0.65rem;
    height: 0.65rem;
    border-right: 2px solid currentColor;
    border-bottom: 2px solid currentColor;
    transform: rotate(45deg);
    transition: transform var(--plans-transition);
}

.plans-viewer-toggle[aria-expanded="false"] .plans-viewer-toggle-icon {
    transform: rotate(-135deg);
}

.plans-viewer-card.is-collapsed-desktop .plans-viewer-body {
    display: none;
}

.plans-viewer-card.is-collapsed-desktop .plans-viewer-header {
    display: none;
}

.plans-viewer-handle {
    position: fixed;
    right: 0.4rem;
    top: 50%;
    transform: translateY(-50%);
    writing-mode: vertical-rl;
    border-radius: 16px 0 0 16px;
    border: 1px solid rgba(255, 201, 85, 0.35);
    background: rgba(6, 7, 14, 0.95);
    color: var(--plans-accent);
    text-transform: uppercase;
    letter-spacing: 0.25em;
    font-size: 0.7rem;
    padding: 0.65rem 0.35rem;
    cursor: pointer;
    box-shadow: 0 16px 40px rgba(0, 0, 0, 0.55);
    display: none;
    z-index: 21;
}

.plans-viewer-handle.is-visible {
    display: inline-flex;
}

.plans-viewer-handle.is-desktop-handle {
    top: clamp(4.5rem, 12vh, 10rem);
    transform: none;
    writing-mode: horizontal-tb;
    padding: 0.55rem 1.2rem;
    border-radius: 0 999px 999px 0;
    letter-spacing: 0.18em;
    left: 0.4rem;
    right: auto;
}

.plans-viewer-scrim {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.55);
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--plans-transition);
    z-index: 19;
}

.plans-viewer-scrim.is-visible {
    opacity: 1;
    pointer-events: auto;
}

.plans-hero-kicker {
    letter-spacing: 0.28em;
    text-transform: uppercase;
    color: var(--plans-accent);
    font-size: 0.82rem;
    margin: 0;
    font-weight: 700;
}

.plans-hero-title {
    font-size: clamp(2rem, 4vw, 3.4rem);
    line-height: 1.15;
    margin: 0;
    color: #ffffff;
    font-weight: 700;
}

.plans-hero-sublead {
    font-size: 1.25rem;
    margin: 0;
    color: var(--plans-accent);
    font-weight: 600;
}

.plans-hero-body {
    margin: 0;
    color: var(--plans-muted);
    line-height: 1.6;
    font-size: 1.05rem;
}

.plans-hero-cta {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    margin-top: 0.5rem;
}

.plans-hero-matrix {
    border-radius: var(--plans-radius-md);
    border: 1px solid var(--plans-border);
    padding: 1.75rem;
    background: rgba(9, 12, 25, 0.9);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
}

.plans-hero-matrix-title {
    margin: 0 0 1rem;
    letter-spacing: 0.25em;
    text-transform: uppercase;
    font-size: 0.82rem;
    color: var(--plans-accent);
    font-weight: 700;
}

.plans-icon-list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 0.5rem 1rem;
    color: #ffffff;
    font-weight: 600;
}

.plans-icon-list li {
    padding: 0.4rem 0.45rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.plans-hero-footnote {
    margin-top: 1.25rem;
    color: var(--plans-accent);
    font-weight: 600;
    font-size: 0.95rem;
}

.plans-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1.5rem;
    margin-bottom: 2.75rem;
}

.plans-header-left {
    display: flex;
    align-items: center;
    gap: clamp(0.35rem, 0.8vw, 0.65rem);
}

.plans-logo-mark {
    width: 44px;
    height: 44px;
    border-radius: 14px;
    font-size: clamp(0.95rem, 1.6vw, 1.3rem);
    margin-bottom: 0.1rem;
    border: 1px solid rgba(255, 255, 255, 0.08);
    display: grid;
    place-items: center;
    box-shadow: var(--plans-shadow-soft);
    position: relative;
    overflow: hidden;
}

.plans-logo-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 12px;
    display: block;
    filter: drop-shadow(0 8px 25px rgba(91, 245, 255, 0.35));
}


.plans-header-text {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.plans-header-title {
    margin: 0;
    font-size: clamp(1.3rem, 2.2vw, 1.8rem);
    color: #ffffff;
    font-family: "Space Grotesk", "Inter", "Segoe UI", system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
}

.plans-header-subtitle {
    margin: 0;
    color: var(--plans-muted);
    font-size: 1rem;
}

.plans-header-pill {
    margin-bottom: 0.4rem;
    border-radius: 999px;
    border: 1px solid rgba(255, 255, 255, 0.08);
    font-size: 0.82rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--plans-label);
}

.plans-landing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(360px, 1fr));
    gap: clamp(1.25rem, 3vw, 2.5rem);
    align-items: flex-start;
    flex: 1;
    min-height: 0;
    height: 100%;
    grid-auto-rows: auto;
    overflow: hidden;
}

.plans-hero-upload-card {
    display: flex;
    flex-direction: column;
    min-height: 0;
    align-self: flex-start;
    max-height: clamp(520px, calc(100vh - var(--app-header-height, 56px) - clamp(2.75rem, 5vw, 4.75rem)), 760px);
    overflow: hidden;
}

.plans-vault-card {
    display: flex;
    flex-direction: column;
    min-height: 0;
    height: 100%;
    max-height: clamp(480px, calc(100vh - var(--app-header-height, 56px) - clamp(2.75rem, 5vw, 4.75rem)), 760px);
    overflow: hidden;
}

.plans-vault-card.plans-vault-locked {
    height: auto;
    max-height: clamp(360px, 50vh, 520px);
    align-self: flex-start;
    overflow: visible;
}

.plans-vault-card.plans-vault-locked .plans-vault-body {
    max-height: none;
    overflow: visible;
}

.plans-sections {
    display: flex;
    flex-direction: column;
    gap: 3.5rem;
}

.plans-section {
    display: flex;

    .plans-viewer-card,
    .plans-chat-card {
        align-self: flex-start;
        max-height: calc(100vh - var(--app-header-height, 70px) - 2.25rem);
    }

    .plans-viewer-body,
    .plans-chat-body {
        overflow-y: auto;
    }
    flex-direction: column;
    gap: 1.5rem;
}

.plans-section-label {
    letter-spacing: 0.32em;
    text-transform: uppercase;
    color: var(--plans-accent);
    font-size: 0.86rem;
    margin: 0;
    font-weight: 700;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid var(--plans-border);
}

.plans-section-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 1.5rem;
}

.plans-section-card {
    border: 1px solid var(--plans-border);
    border-radius: var(--plans-radius-md);
    padding: 1.75rem;
    background: linear-gradient(145deg, rgba(12, 16, 32, 0.96), rgba(6, 7, 16, 0.92));
    box-shadow: var(--plans-shadow-soft);
}

.plans-section-card h2 {
    margin-top: 0;
    margin-bottom: 1rem;
    font-size: 1.4rem;
    line-height: 1.3;
    color: #ffffff;
    font-weight: 700;
}

.plans-section-card ul {
    margin: 0 0 1rem 1.25rem;
    padding: 0;
    color: var(--plans-muted);
    line-height: 1.5;
}

.plans-section-card p {
    color: var(--plans-muted);
    margin-bottom: 0.9rem;
}

.plans-discipline-list li {
    border-left: 2px solid var(--plans-accent);
    padding-left: 0.75rem;
    margin-bottom: 0.8rem;
}

.plans-market-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1.25rem;
}

.plans-market-item {
    border: 1px solid var(--plans-border);
    border-radius: var(--plans-radius-md);
    padding: 1.4rem;
    background: rgba(8, 10, 20, 0.9);
}

.plans-market-item h3 {
    margin: 0 0 0.75rem;
    font-size: 1.1rem;
    color: #ffffff;
    font-weight: 700;
}

.plans-market-item p,
.plans-market-item ul {
    margin: 0 0 0.75rem;
    color: var(--plans-muted);
}

.plans-market-item ul {
    padding-left: 1.2rem;
    line-height: 1.5;
}

.plans-market-difference {
    border: 1px solid var(--plans-border);
    border-radius: var(--plans-radius-md);
    padding: 2rem;
    background: rgba(4, 6, 15, 0.95);
    box-shadow: var(--plans-shadow-soft);
}

.plans-market-difference p,
.plans-market-difference ul {
    margin: 0 0 0.9rem;
    color: var(--plans-muted);
}

.plans-market-difference strong {
    color: #ffffff;
    font-size: 1.1rem;
    letter-spacing: 0.02em;
}

.plans-output-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 1.25rem;
}

.plans-output-card {
    border: 1px solid var(--plans-border);
    border-radius: var(--plans-radius-md);
    padding: 1.5rem;
    background: rgba(11, 13, 24, 0.92);
}

.plans-output-card h3,
.plans-output-card h4 {
    margin: 0 0 0.85rem;
    color: #ffffff;
    font-weight: 700;
}

.plans-output-card h3 {
    font-size: 1.2rem;
}

.plans-output-card h4 {
    font-size: 1rem;
    margin-top: 1.25rem;
}

.plans-output-card ul {
    margin: 0 0 1rem 1.25rem;
    color: var(--plans-muted);
}

.plans-output-card p {
    color: var(--plans-muted);
}

.plans-impact-content {
    border: 1px solid var(--plans-border);
    border-radius: var(--plans-radius-md);
    padding: 2rem;
    background: rgba(7, 9, 18, 0.95);
    font-size: 1.15rem;
    line-height: 1.7;
}

.plans-impact-content p {
    color: var(--plans-text);
    margin-bottom: 1rem;
    font-weight: 500;
}

.plans-benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 1.1rem;
}

.plans-benefit-item {
    border: 1px solid rgba(126, 250, 209, 0.3);
    border-radius: var(--plans-radius-md);
    padding: 1.25rem;
    background: rgba(12, 22, 19, 0.65);
    font-weight: 600;
    color: #ffffff;
    font-size: 1.05rem;
}

.plans-benefit-item span {
    display: block;
    font-weight: 400;
    color: var(--plans-muted);
    margin-top: 0.35rem;
    font-size: 0.95rem;
}

.plans-cta-wrapper {
    margin-top: 1rem;
}

.plans-cta-panel {
    border: 1px solid var(--plans-border);
    border-radius: var(--plans-radius-lg);
    padding: 2.5rem;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    background: linear-gradient(125deg, rgba(18, 23, 45, 0.92), rgba(4, 6, 12, 0.95));
    box-shadow: var(--plans-shadow-card);
}

.plans-cta-copy p {
    margin: 0 0 0.9rem;
    color: var(--plans-muted);
    font-size: 1.05rem;
    line-height: 1.7;
}

.plans-cta-copy p:first-child {
    font-size: 1.5rem;
    color: #ffffff;
    font-weight: 700;
    margin-bottom: 1.25rem;
}

.plans-cta-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
}

.plans-app-hooks {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 1.75rem;
}

@media (max-width: 640px) {
    .plans-hero,
    .plans-section-card,
    .plans-market-difference,
    .plans-impact-content,
    .plans-cta-panel {
        padding: 1.5rem;
    }

    .plans-hero-cta,
    .plans-cta-actions {
        flex-direction: column;
        align-items: stretch;
    }
}

.plans-hero-upload-card {
    padding: clamp(1.2rem, 3vw, 2.8rem);
    background: linear-gradient(160deg, rgba(20, 25, 45, 0.95), rgba(6, 7, 16, 0.92));
    width: min(100%, 840px);
    margin: 0 auto clamp(1.2rem, 2vw, 1.8rem);
}

.plans-upload-panel {
    border-radius: var(--plans-radius-lg);
    border: 1px solid rgba(255, 255, 255, 0.08);
    background: linear-gradient(150deg, rgba(8, 12, 26, 0.55), rgba(4, 6, 13, 0.78));
    padding: clamp(1.5rem, 3vw, 2.5rem);
    box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.02);
    backdrop-filter: blur(10px);
    display: flex;
    flex: 1;
    min-height: 0;
    overflow: hidden;
}

.plans-upload-panel .plans-upload-card {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
    width: 100%;
    flex: 1;
    min-height: 0;
    overflow-y: auto;
}

.plans-upload-form {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.plans-upload-actions {
    margin-top: 0.5rem;
    min-height: 3rem;
    display: flex;
    align-items: center;
    justify-content: flex-start;
}

.plans-visitor-result {
    margin-top: 1.5rem;
    border-radius: 24px;
    border: 1px solid rgba(255, 255, 255, 0.12);
    background: linear-gradient(150deg, rgba(9, 16, 28, 0.95), rgba(6, 10, 22, 0.92));
    padding: 1.5rem;
    display: flex;
    gap: 1.25rem;
    align-items: center;
    box-shadow: 0 18px 45px rgba(0, 0, 0, 0.5);
}

.plans-visitor-result.is-already-active {
    border-color: rgba(159, 203, 255, 0.35);
    background: linear-gradient(150deg, rgba(10, 20, 38, 0.95), rgba(6, 10, 24, 0.92));
}

.plans-visitor-result.is-already-active .plans-visitor-result-eyebrow {
    color: rgba(159, 203, 255, 0.95);
}

.plans-visitor-result.is-already-active .plans-visitor-result-note {
    color: rgba(159, 203, 255, 0.85);
}

.plans-visitor-result[hidden] {
    display: none !important;
}

.plans-visitor-result-icon {
    width: 96px;
    height: 96px;
    flex: 0 0 auto;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 0;
    border: none;
    background: transparent;
    box-shadow: none;
    position: relative;
}

.plans-visitor-result-icon::before,
.plans-visitor-result-icon::after {
    min-height: clamp(260px, 45vh, 440px);
}

.plans-visitor-result-icon svg {
    width: 56px;
    height: 56px;
    display: block;
}

.plans-visitor-result-icon img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    display: block;
}

.plans-visitor-result-body {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.plans-visitor-result-eyebrow {
    margin: 0;
    letter-spacing: 0.24em;
    text-transform: uppercase;
    font-size: 0.65rem;
    color: rgba(126, 250, 209, 0.95);
}

.plans-visitor-result-title {
    margin: 0;
    font-size: clamp(1.15rem, 2vw, 1.45rem);
    color: #ffffff;
}

.plans-visitor-result-meta {
    margin: 0;
    color: rgba(255, 255, 255, 0.85);
    font-size: 0.95rem;
}

.plans-visitor-result-note {
    margin: 0;
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.85rem;
}

.plans-visitor-result-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-top: 0.5rem;
    align-items: center;
}

#visitorPrimaryCta {
    padding: 0.45rem 1rem;
    font-size: 0.62rem;
    letter-spacing: 0.2em;
    margin-left: auto;
    min-width: auto;
}


@media (max-width: 640px) {
    .plans-visitor-result {
        flex-direction: column;
        text-align: center;
    }

    .plans-visitor-result-actions {
        justify-content: center;
    }

    #visitorPrimaryCta {
        margin-left: 0;
        width: 100%;
    }

    .plans-visitor-result-icon {
        margin-bottom: 0.5rem;
    }
}

@media (max-width: 720px) {
    .plans-upload-dropzone {
        min-height: auto;
        padding: 2rem 1.75rem;
    }
}

@media (max-width: 720px) {
    .plans-hero-upload-card {
        padding: clamp(0.35rem, 2vw, 1rem);
        width: 100%;
        background: none;
        border: none;
        box-shadow: none;
        margin: 0 auto 1rem;
    }

    .plans-hero-upload-card .plans-upload-panel {
        padding: 0;
        border: none;
        background: transparent;
        box-shadow: none;
    }
}

@media (max-width: 540px) {
    .plans-landing-root {
        padding-top: calc(
            var(--app-header-height, 56px)
            + env(safe-area-inset-top, 0px)
            + clamp(2.5rem, 8vw, 4.2rem)
        );
    }

    .plans-hero {
        gap: 1.5rem;
        padding: 1.6rem;
    }

    .plans-upload-panel {
        padding: 1.1rem;
        margin-top: clamp(0.5rem, 4vw, 1.5rem);
    }

    .plans-upload-dropzone {
        border-radius: 22px;
        padding: 1.25rem 1.1rem;
        min-height: clamp(170px, 32vh, 230px);
        gap: 0.85rem;
    }

    .plans-upload-icon {
        width: 72px;
        height: 72px;
    }

    .plans-upload-cta {
        font-size: 1.1rem;
    }

    .plans-upload-hint {
        font-size: 0.87rem;
    }

    .plans-hero-upload-card {
        display: contents;
        padding: 0;
        margin: 0;
    }
}

.plans-btn-compact {
    padding: 0.7rem 1.35rem;
    font-size: 0.78rem;
    letter-spacing: 0.16em;
}

.plans-upload-dropzone {
    border: 1px dashed rgba(255, 255, 255, 0.28);
    border-radius: 28px;
    padding: clamp(2rem, 4vw, 3.75rem);
    background: rgba(7, 10, 20, 0.8);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 1.5rem;
    min-height: clamp(260px, 40vh, 420px);
    text-align: center;
    cursor: pointer;
    position: relative;
    overflow: hidden;
    transition:
        border-color var(--plans-transition),
        background-color var(--plans-transition),
        transform var(--plans-transition),
        box-shadow var(--plans-transition);
}

.plans-upload-dropzone::after {
    content: "";
    position: absolute;
    right: -20%;
    bottom: -20%;
    width: min(60vw, 280px);
    height: min(60vw, 280px);
    background: radial-gradient(circle, rgba(255, 201, 85, 0.18), transparent 70%);
    opacity: 0.7;
    pointer-events: none;
}

.plans-upload-dropzone:hover,
.plans-upload-dropzone.drag-over {
    border-color: rgba(255, 201, 85, 0.7);
    background: rgba(10, 15, 30, 0.92);
    box-shadow: 0 25px 55px rgba(0, 0, 0, 0.35);
    transform: translateY(-2px);
}

.plans-upload-dropzone.has-file {
    border-color: rgba(126, 250, 209, 0.7);
    background: rgba(8, 20, 20, 0.88);
}

.plans-upload-input {
    display: none;
}

.plans-upload-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.25rem;
    position: relative;
    z-index: 1;
    transition: opacity var(--plans-transition), transform var(--plans-transition), filter var(--plans-transition);
}

.plans-upload-icon {
    width: clamp(90px, 10vw, 120px);
    height: clamp(90px, 10vw, 120px);
    border-radius: 24px;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.35);
}

.plans-upload-icon::before,
.plans-upload-icon::after {
    content: "";
    position: absolute;
    background: var(--plans-accent);
    border-radius: 2px;
}

.plans-upload-icon::before {
    width: 50%;
    height: 4px;
}

.plans-upload-icon::after {
    width: 4px;
    height: 50%;
}

.plans-upload-text {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
}

.plans-upload-cta {
    font-size: clamp(1.25rem, 2.6vw, 1.65rem);
    font-weight: 600;
}

.plans-upload-hint {
    font-size: 0.95rem;
    color: var(--plans-muted);
}


.plans-upload-status {
    min-height: 1.2rem;
    font-size: 0.85rem;
    color: var(--plans-muted);
}

.plans-upload-status.success {
    color: var(--plans-success);
}

.plans-upload-status.error {
    color: #ff8080;
}

.plans-upload-status.info {
    color: var(--plans-accent);
}

.plans-upload-loader {
    border-radius: inherit;
    border: 1px solid rgba(255, 255, 255, 0.18);
    background: linear-gradient(160deg, rgba(8, 10, 22, 0.95), rgba(3, 4, 12, 0.95));
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    box-shadow: 0 25px 55px rgba(5, 6, 14, 0.55);
    opacity: 0;
    transform: translateY(8px);
    pointer-events: none;
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    justify-content: center;
    z-index: 2;
    text-align: center;
    transition: opacity var(--plans-transition), transform var(--plans-transition);
}

.plans-upload-loader.is-active {
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
}

.plans-upload-form.is-uploading .plans-upload-content {
    opacity: 0;
    transform: translateY(-6px);
    filter: blur(2px);
}

.plans-loader-main {
    display: grid;
    grid-template-columns: auto 1fr auto;
    gap: 0.85rem;
    align-items: center;
}

.plans-loader-wheel {
    width: 40px;
    height: 40px;
    border-radius: 999px;
    border: 2px solid rgba(255, 255, 255, 0.15);
    border-top-color: var(--plans-accent);
    animation: plans-spin 1s linear infinite;
}

.plans-loader-progress {
    width: 100%;
    height: 6px;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.12);
    overflow: hidden;
    position: relative;
}

.plans-loader-progress-fill {
    position: absolute;
    inset: 0;
    width: 0%;
    border-radius: 999px;
    background: linear-gradient(120deg, var(--plans-accent), var(--plans-accent-hot));
    box-shadow: 0 0 12px rgba(255, 201, 85, 0.45);
    transition: width 220ms ease;
}

.plans-loader-meta {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.9rem;
}

.plans-loader-icon {
    width: 10px;
    height: 10px;
    border-radius: 2px;
    background: rgba(126, 138, 255, 0.45);
    box-shadow: 0 0 12px rgba(126, 138, 255, 0.6);
    animation: plans-pulse 1.4s ease-in-out infinite;
}

.plans-loader-percent {
    font-weight: 600;
    color: #ffffff;
    letter-spacing: 0.08em;
}

.plans-loader-step {
    margin: 0;
    font-size: 0.85rem;
    color: var(--plans-muted);
}

.plans-upload-form.is-uploading .plans-upload-dropzone {
    pointer-events: none;
}

.plans-upload-form.is-uploading .plans-upload-loader {
    pointer-events: auto;
}

.plans-btn:disabled,
.plans-btn[disabled] {
    opacity: 0.65;
    cursor: not-allowed;
    box-shadow: none;
    transform: none;
}

@keyframes plans-spin {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(360deg);
    }
}

@keyframes plans-pulse {
    0%, 100% {
        transform: scale(1);
        opacity: 1;
    }
    50% {
        transform: scale(0.85);
        opacity: 0.6;
    }
}

.plans-recent-body {
    display: flex;
    flex-direction: column;
    gap: 0.9rem;
}

.plans-recent-empty {
    padding: 1.1rem 1.3rem;
    border-radius: var(--plans-radius-md);
    border: 1px dashed rgba(255, 255, 255, 0.12);
    background: rgba(9, 11, 24, 0.7);
    color: var(--plans-muted);
    font-size: 0.92rem;
}

.plans-recent-list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 0.85rem;
}

.plans-recent-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: 1rem 1.25rem;
    border-radius: var(--plans-radius-md);
    border: 1px solid rgba(255, 255, 255, 0.08);
    background: rgba(8, 9, 18, 0.85);
    transition: border-color var(--plans-transition), transform var(--plans-transition);
}

.plans-recent-item:hover {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    transform: translateY(-2px);
}

.plans-recent-link {
    font-weight: 600;
    text-decoration: none;
    color: var(--plans-text);
}

.plans-recent-meta {
    font-size: 0.82rem;
    color: var(--plans-muted);
}

/* Plans Vault */
.plans-vault-heading {
    display: flex;
    align-items: center;
    gap: 0.9rem;
}

.plans-vault-icon-img {
    width: clamp(52px, 6vw, 78px);
    height: auto;
    display: block;
    flex-shrink: 0;
}

.plans-vault-body {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    flex: 1;
    min-height: 0;
    overflow: hidden;
}

.plans-vault-empty {
    padding: 1.1rem 1.3rem;
    border-radius: var(--plans-radius-md);
    border: 1px dashed rgba(255, 255, 255, 0.12);
    background: rgba(9, 11, 24, 0.7);
    color: var(--plans-muted);
    font-size: 0.92rem;
}

.plans-vault-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1rem;
    flex: 1;
    min-height: 0;
    overflow-y: auto;
    padding-right: 0.35rem;
    width: 100%;
}

@media (max-width: 1024px) {
    body.plans-body.plans-landing-page {
        overflow-y: auto;
    }

    body.plans-body.plans-landing-page .app-main {
        height: auto;
        min-height: auto;
        padding: 0 0 clamp(1.85rem, 3vw, 3.2rem);
    }

    .plans-landing-root,
    .plans-landing-grid {
        height: auto;
        min-height: auto;
        overflow: visible;
    }

    .plans-hero-upload-card,
    .plans-vault-card {
        height: auto;
        max-height: none;
        overflow: visible;
    }

    .plans-upload-panel .plans-upload-card {
        overflow: visible;
    }
}

.plans-vault-grid::-webkit-scrollbar {
    width: 8px;
}

.plans-vault-grid::-webkit-scrollbar-track {
    background: var(--plans-scroll-track);
    border-radius: 999px;
}

.plans-vault-grid::-webkit-scrollbar-thumb {
    background: var(--plans-scroll-thumb);
    border-radius: 999px;
    border: 2px solid var(--plans-scroll-thumb-border);
}

.plans-vault-locked {
    border-style: dashed;
    background: rgba(7, 9, 18, 0.85);
}

.plans-vault-locked-copy {
    margin: 0;
    color: var(--plans-muted);
    line-height: 1.5;
}

.plans-vault-cta {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    justify-content: flex-start;
    align-items: center;
}

.plans-vault-cta .plans-btn {
    flex: 0 0 auto;
    min-width: auto;
    padding: 0.75rem 1.6rem;
    font-size: 0.9rem;
}

.plans-vault-card-item {
    display: grid;
    grid-template-columns: clamp(68px, 10vw, 96px) minmax(0, 1fr) auto;
    align-items: center;
    gap: 0.95rem;
    padding: 0.95rem 1.1rem;
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--plans-radius-md);
    background: linear-gradient(150deg, rgba(14, 17, 32, 0.9), rgba(6, 7, 16, 0.92));
    box-shadow: var(--plans-shadow-soft);
    width: 100%;
    min-width: 0;
    box-sizing: border-box;
    cursor: pointer;
    transition:
        border-color var(--plans-transition),
        background var(--plans-transition),
        color var(--plans-transition),
        transform var(--plans-transition);
}

.plans-vault-card-item:focus-visible {
    outline: 2px solid rgba(255, 201, 85, 0.6);
    outline-offset: 2px;
}

.plans-vault-thumb {
    width: clamp(64px, 9vw, 92px);
    height: clamp(64px, 9vw, 92px);
    border-radius: var(--plans-radius-sm);
    overflow: hidden;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.08);
    display: block;
    position: relative;
}

.plans-vault-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.plans-vault-thumb.is-placeholder::after {
    content: "";
    position: absolute;
    inset: 0;
    background: repeating-linear-gradient(
        135deg,
        rgba(255, 255, 255, 0.08) 0,
        rgba(255, 255, 255, 0.08) 8px,
        transparent 8px,
        transparent 16px
    );
    opacity: 0.35;
}

.plans-vault-info {
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
    min-width: 0;
}

.plans-vault-title {
    font-weight: 600;
    font-size: 1rem;
    color: #ffffff;
    margin: 0;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.plans-vault-meta {
    font-size: 0.85rem;
    color: var(--plans-muted);
    line-height: 1.4;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.plans-vault-actions {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 0.35rem;
}

.plans-vault-delete {
    width: 28px;
    height: 28px;
    padding: 0;
    border: none;
    background: none;
    color: #ff9c8b;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: color var(--plans-transition), transform var(--plans-transition);
}

.plans-vault-delete svg,
.plans-vault-delete-icon {
    width: 22px;
    height: 22px;
    display: block;
    pointer-events: none;
}

.plans-vault-delete:hover,
.plans-vault-delete:focus-visible {
    color: #ffc4b7;
    transform: scale(1.05);
    outline: none;
}

.plans-vault-delete:focus-visible {
    box-shadow: 0 0 0 2px rgba(255, 156, 139, 0.35);
    border-radius: 4px;
}

.plans-vault-delete.is-loading,
.plans-vault-delete[disabled] {
    opacity: 0.45;
    cursor: not-allowed;
    transform: none;
}

@media (max-width: 1024px) {
    .plans-landing-grid {
        grid-template-columns: 1fr;
        grid-auto-rows: auto;
        min-height: auto;
    }

    .plans-vault-card {
        max-height: none;
    }
}

/* Session */

.plans-session-root {
    --plans-session-card-offset: clamp(-1.35rem, -0.85rem, 0rem);
    --plans-session-bottom-buffer: clamp(-8.5rem, -6.7vh, -2.5rem);
    --plans-chat-bottom-adjust: clamp(-18.5rem, -12.6vh, -3.6rem);
    --plans-chat-height-reduction: clamp(-6.6rem, -3.65vh, 0.1rem);
    --plans-viewer-height-reduction: clamp(-1.35rem, 0.12vh, 0.6rem);
    --plans-chat-sticky-gap: clamp(0.18rem, 0.55vh, 0.95rem);
    --plans-sticky-header-gap: clamp(-0.3rem, 0.4vw, 0.7rem);
    --plans-chat-top-gap: clamp(-2.1rem, -1.45rem, -0.35rem);
    max-width: 1200px;
    margin: 0 auto;
    padding-top: var(--plans-sticky-header-gap, 1rem);
    padding-right: clamp(0rem, 0.28vw, 0.26rem);
    padding-left: clamp(0rem, 0.28vw, 0.26rem);
    padding-bottom: var(--plans-session-bottom-buffer, 3rem);
    width: 100%;
    color: var(--plans-text);
    gap: clamp(0.15rem, 0.45vw, 0.8rem);
    display: flex;
    flex-direction: column;
    min-height: calc(100vh - var(--app-header-height, 70px));
}

.plans-session-root,
.plans-session-grid,
.plans-card,
.plans-viewer-card,
.plans-chat-card,
.plans-viewer-body,
.plans-chat-body,
.plans-main-viewer,
.plans-chat-messages {
    min-width: 0;
    box-sizing: border-box;
}

@media (min-width: 961px) {
    .plans-session-root {
        --plans-sticky-header-gap: clamp(-1.35rem, -0.8vw, -0.2rem);
        --plans-chat-top-gap: clamp(-4.35rem, -3.45rem, -1.35rem);
        --plans-chat-top-lift: clamp(3.15rem, 4.8vh, 5.65rem);
    }
}

@media (max-height: 860px) and (min-width: 961px) {
    .plans-session-root {
        --plans-chat-top-gap: clamp(-4.95rem, -3.95rem, -1.65rem);
        --plans-chat-top-lift: clamp(4.1rem, 5.95vh, 7.1rem);
    }
}


.plans-viewer-header {
    display: flex;
    flex-direction: column;
    gap: clamp(0.2rem, 0.6vw, 0.7rem);
    padding-bottom: clamp(0.25rem, 0.65vw, 0.8rem);
    margin-bottom: clamp(0.2rem, 0.65vw, 0.9rem);
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.plans-session-title-block {
    display: flex;
    flex-direction: column;
    gap: 0.2rem;
    min-width: 0;
    width: 100%;
}

.plans-session-title-row {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: clamp(0.5rem, 1.2vw, 1.5rem);
    width: 100%;
}

.plans-session-title-stack {
    display: flex;
    flex-direction: column;
    gap: 0.2rem;
    min-width: 0;
}

.plans-session-label {
    margin: 0;
    font-size: 0.62rem;
    letter-spacing: 0.32em;
    text-transform: uppercase;
    color: var(--plans-label);
}

.plans-session-meta-inline {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, auto));
    gap: 0.35rem;
    margin-top: 0.25rem;
    padding-right: 0;
}

.plans-session-meta-summary {
    display: inline-flex;
    align-items: center;
    gap: 0.85rem;
    flex-wrap: wrap;
    padding: 0.2rem 0;
    margin: 0.1rem 0 0;
    font-size: 0.72rem;
    letter-spacing: 0.08em;
    color: var(--plans-label);
}

.plans-session-meta-summary > span {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    border-radius: 999px;
    border: 1px solid rgba(255, 255, 255, 0.12);
    padding: 0.25rem 0.65rem;
    background: rgba(255, 255, 255, 0.02);
}

.plans-session-meta-label {
    text-transform: uppercase;
}

.plans-session-meta-value {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--plans-text);
    letter-spacing: 0.05em;
}

.plans-session-meta-details {
    margin-top: 0.15rem;
}

.plans-session-meta-details summary {
    list-style: none;
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    font-size: 0.68rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--plans-label);
    cursor: pointer;
    padding: 0.4rem 0;
}

.plans-session-meta-details summary::-webkit-details-marker {
    display: none;
}

.plans-session-meta-details summary::before {
    content: "";
    width: 8px;
    height: 8px;
    border-right: 1px solid currentColor;
    border-bottom: 1px solid currentColor;
    transform: rotate(-45deg);
    transition: transform var(--plans-transition);
}

.plans-session-meta-details[open] summary::before {
    transform: rotate(45deg);
}

.plans-session-meta-count {
    color: var(--plans-muted);
    letter-spacing: 0.08em;
}

.plans-session-meta-details[open] summary {
    color: var(--plans-accent);
}

.plans-session-meta-details .plans-session-meta-inline {
    margin-top: 0.3rem;
    padding: 0.25rem 0 0;
}

.plans-session-title {
    margin: 0;
    font-size: clamp(1.05rem, 1.7vw, 1.35rem);
    line-height: 1.1;
    color: #fdfdff;
    letter-spacing: -0.01em;
}

.plans-session-subtitle,
.plans-session-location {
    margin: 0;
    color: var(--plans-label);
    font-size: 0.72rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.plans-session-actions {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    flex-wrap: wrap;
    justify-content: flex-end;
    min-width: fit-content;
}

.plans-session-actions .plans-btn {
    padding: 0.32rem 0.9rem;
    font-size: 0.64rem;
    letter-spacing: 0.2em;
}

.plans-admin-hq-btn {
    border-color: rgba(126, 250, 209, 0.45);
    color: var(--plans-success);
    background: rgba(126, 250, 209, 0.08);
    box-shadow: 0 12px 24px rgba(0, 0, 0, 0.25);
}

.plans-admin-hq-btn:hover,
.plans-admin-hq-btn:focus-visible {
    border-color: var(--plans-success);
    background: rgba(126, 250, 209, 0.18);
    transform: translateY(-1px);
}

.plans-admin-hq-shortcut {
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 999px;
    padding: 0.08rem 0.4rem;
    font-size: 0.58rem;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.8);
    background: rgba(255, 255, 255, 0.05);
}

@media (max-width: 640px) {
    .plans-admin-hq-shortcut {
        display: none;
    }
}

.plans-viewer-header .plans-chip {
    padding: 0.3rem 0.75rem;
    font-size: 0.72rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    border-color: rgba(255, 255, 255, 0.09);
    background: rgba(255, 255, 255, 0.02);
    color: var(--plans-muted);
}

.plans-viewer-header .plans-chip-outline {
    border-color: rgba(255, 201, 85, 0.35);
    color: var(--plans-accent);
}

.plans-reset-btn {
    padding: 0.32rem 0.9rem;
    font-size: 0.64rem;
    letter-spacing: 0.2em;
    border-color: rgba(255, 201, 85, 0.35);
    color: var(--plans-accent);
    background: rgba(255, 255, 255, 0.01);
    white-space: nowrap;
}

.plans-session-grid {
    display: grid;
    gap: clamp(0.22rem, 0.38vw, 0.55rem);
    min-height: 0;
    flex: 1;
    grid-auto-rows: auto;
    align-content: start;
    margin-top: clamp(0rem, 0.2vw, 0.3rem);
}

.plans-session-grid.is-viewer-collapsed {
    grid-template-columns: minmax(0, 1fr);
    grid-auto-rows: auto;
}

.plans-session-grid.is-viewer-collapsed .plans-viewer-card,
.plans-session-grid.is-viewer-collapsed .plans-chat-card {
    grid-column: 1 / -1;
}

@media (min-width: 900px) {
    .plans-session-grid.is-viewer-collapsed {
        justify-items: center;
    }

    .plans-session-grid.is-viewer-collapsed .plans-chat-card {
        width: min(1040px, 100%);
        max-width: min(1040px, 100%);
        justify-self: center;
    }
}

.plans-viewer-card.is-collapsed-desktop {
    align-self: stretch;
    height: auto;
    max-height: none;
    min-height: 0;
    padding: clamp(0.08rem, 0.25vw, 0.35rem);
    margin: 0;
    background: transparent;
    border-color: transparent;
    border-width: 0;
    box-shadow: none;
    position: static;
    top: auto;
    gap: 0;
}
.plans-viewer-card.is-collapsed-desktop .plans-viewer-toggle-shell {
    justify-content: flex-start;
    padding: 0 clamp(0.25rem, 0.45vw, 0.65rem);
    margin: 0;
    width: 100%;
    display: none;
}

@media (min-height: 900px) {
    body.plans-body {
        height: 100%;
        overflow: hidden;
    }

    body.plans-body .app-main {
        min-height: 0;
        height: calc(100vh - var(--app-header-height, 70px));
        display: flex;
        flex-direction: column;
        overflow: hidden;
    }

    .plans-session-root {
        min-height: calc(100vh - var(--app-header-height, 70px));
    }
}

.plans-viewer-card,
.plans-chat-card {
    min-height: 0;
}

@media (min-width: 1100px) {
    body.plans-body {
        min-height: 100vh;
        height: 100vh;
        overflow: hidden;
        /* Override height variables to extend cards to bottom of screen */
        --plans-session-bottom-buffer: 0rem;
        --plans-viewer-height-reduction: 0rem;
        --plans-chat-height-reduction: 0rem;
        --plans-chat-bottom-adjust: 0rem;
        --plans-session-card-offset: 0rem;
        /* Smaller header on desktop (50px vs 70px) */
        --app-header-height: 50px;
        /* Override max-height calculation: 100vh minus header minus small padding */
        --plans-viewer-max-height: calc(100vh - var(--app-header-height, 50px) - 1rem);
    }

    /* Reduce top padding to bring content closer to header */
    body.plans-body.plans-session-page {
        padding-top: calc(var(--app-header-height, 50px) - 0.75rem) !important;
    }

    body.plans-body.plans-session-page .app-main {
        padding-top: 0 !important;
        margin-top: 0 !important;
    }

    body.plans-body .app-main {
        min-height: 100vh;
        height: 100vh;
        display: flex;
        flex-direction: column;
        overflow: hidden;
    }

    .plans-session-root {
        --plans-sticky-header-gap: -0.5rem;
        flex: 1;
        display: flex;
        flex-direction: column;
        min-height: var(--plans-session-available-height, 100vh);
        max-height: var(--plans-session-available-height, 100vh);
        height: var(--plans-session-available-height, 100vh);
        width: 100%;
        overflow: hidden;
        padding-top: 0 !important;
        margin-top: 0 !important;
        gap: 0;
    }

    .plans-session-grid {
        flex: 1;
        min-height: 0;
        height: 100%;
        grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
        gap: clamp(0.9rem, 1.15vw, 1.3rem);
        align-items: start;
        margin-top: 0;
        padding-top: 0;
        padding-bottom: 0;
    }

    .plans-viewer-card,
    .plans-chat-card {
        display: flex;
        flex-direction: column;
        border-radius: 24px;
        padding: clamp(0.8rem, 0.95vw, 1.1rem);
        background: rgba(7, 9, 20, 0.9);
        border: 1px solid rgba(255, 255, 255, 0.08);
        box-shadow: 0 20px 60px rgba(0, 0, 0, 0.35);
        transition: transform 0.4s ease, border-color 0.4s ease;
        overflow: hidden;
        position: sticky;
    }

    .plans-viewer-card {
        align-self: flex-start;
        top: 0.5rem; /* Small offset to clear app header */
    }

    .plans-chat-card {
        align-self: start;
        top: 0.5rem; /* Small offset to clear app header */
    }

    .plans-viewer-card {
        height: var(--plans-viewer-max-height);
        max-height: var(--plans-viewer-max-height);
    }

    .plans-chat-card {
        /* Use same height as viewer */
        height: var(--plans-viewer-max-height);
        max-height: var(--plans-viewer-max-height);
        top: 0.5rem; /* Small offset to clear app header */
        position: sticky;
        padding: 0 0.8rem 0;
        margin: 0;
        display: flex;
        flex-direction: column;
        overflow: hidden;
    }

    .plans-chat-card .plans-card-header {
        flex-shrink: 0;
        padding-bottom: 0.15rem;
        padding-top: 0.35rem; /* Internal padding for title */
        margin-top: 0;
    }

    .plans-chat-card .plans-card-title {
        font-size: 0.78rem;
        letter-spacing: 0.18em;
    }

    .plans-chat-card .plans-card-subtitle {
        display: none; /* Hide subtitle on desktop to save space */
    }

    .plans-viewer-body,
    .plans-chat-body {
        flex: 1 1 auto;
        min-height: 0;
        height: 100%;
        overflow-y: auto;
        display: flex;
        flex-direction: column;
        padding-bottom: 0;
    }

    .plans-chat-stage {
        flex: 1 1 auto;
        min-height: 0;
        height: 100%;
        overflow-y: auto;
    }

    .plans-chat-input-row {
        flex-shrink: 0;
        margin-top: auto;
        padding-top: 0.25rem;
        padding-bottom: 0;
    }

    .plans-chat-input-shell {
        padding: 0.4rem 0.6rem !important;
        gap: 0.5rem !important;
    }

    .plans-chat-input {
        min-height: 36px !important;
        max-height: 100px !important;
        padding: 0.5rem 0.75rem !important;
        font-size: 0.92rem !important;
    }

    .plans-chat-send-btn {
        min-height: 36px !important;
        min-width: 36px !important;
        padding: 0.5rem 0.9rem !important;
    }

    .plans-chat-voice-btn {
        min-height: 36px !important;
        min-width: 36px !important;
        padding: 0.5rem !important;
    }

    .plans-toolbox-tab {
        flex-shrink: 0;
        margin-top: auto;
        padding-bottom: 0;
        padding-top: 0.25rem;
    }

    .plans-toolbox-tab-btn {
        padding: 0.35rem 0.9rem !important;
        font-size: 0.7rem !important;
    }

    .plans-chat-messages {
        overflow-y: auto;
    }

    .plans-viewer-stage {
        aspect-ratio: 4 / 3;
        height: auto;
        max-height: var(--plans-viewer-max-height);
        min-height: 0;
    }

    .plans-viewer-pdf-shell,
    .plans-viewer-pdf-frame {
        height: 100%;
        min-height: auto;
        max-height: var(--plans-viewer-max-height);
    }

    .plans-main-viewer {
        min-height: auto;
    }
}

@media (min-width: 1400px) {
    body.plans-body {
        display: flex;
        flex-direction: column;
        min-height: 100vh;
        --plans-sticky-offset: clamp(-0.32rem, 0vw, 0rem);
        --plans-session-card-offset: clamp(-6.45rem, -5.05rem, -2.35rem);
        --plans-session-card-bottom-gap: clamp(-0.55rem, 0vh, 0.05rem);
        --plans-session-bottom-buffer: clamp(-10.5rem, -7.8vh, -3.4rem);
    --plans-chat-bottom-adjust: clamp(-22rem, -14.5vh, -4.6rem);
    --plans-sticky-header-gap: clamp(-0.25rem, 0.35vw, 0.75rem);
        --plans-viewer-height-reduction: clamp(-1.65rem, -0.35vh, 0.05rem);
        --plans-chat-height-reduction: clamp(-7.2rem, -4.4vh, -0.15rem);
        --plans-chat-sticky-gap: clamp(0.18rem, 0.55vh, 0.75rem);
    }

    body.plans-body .app-main {
        flex: 1;
        padding: 0 0 clamp(0.4rem, 1.1vw, 1.3rem);
        display: flex;
        flex-direction: column;
    }

    body.plans-body .app-footer {
        display: none;
    }

    .plans-session-root {
        max-width: none;
        width: 100%;
        padding-top: 0;
        padding-right: clamp(0rem, 0.24vw, 0.18rem);
        padding-left: clamp(0rem, 0.24vw, 0.18rem);
        padding-bottom: clamp(-0.58rem, 0vw, 0rem);
        flex: 1;
        display: flex;
        flex-direction: column;
        min-height: calc(100vh - var(--app-header-height, 70px));
        gap: 0;
    }

    .plans-session-meta-inline {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(120px, auto));
        gap: 0.35rem;
        margin-top: 0.25rem;
        padding-right: 0;
    }
    .plans-session-meta-summary {
        display: inline-flex;
        align-items: center;
        gap: 0.85rem;
        flex-wrap: wrap;
        padding: 0.2rem 0;
        margin: 0.1rem 0 0;
        font-size: 0.72rem;
        letter-spacing: 0.08em;
        color: var(--plans-label);
    }

    .plans-session-meta-summary > span {
        display: inline-flex;
        align-items: center;
        gap: 0.35rem;
        border-radius: 999px;
        border: 1px solid rgba(255, 255, 255, 0.12);
        padding: 0.25rem 0.65rem;
        background: rgba(255, 255, 255, 0.02);
    }
    .plans-chat-body {
        flex: 1;
        display: flex;
        flex-direction: column;
        min-height: 0;
    }

    .plans-main-viewer-shell,
    .plans-main-viewer,
    .plans-viewer-stage,
    .plans-chat-stage {
        flex: 1;
        min-height: 0;
    }

    .plans-viewer-stage {
        overflow-x: auto;
        overflow-y: visible;
        border-radius: 20px;
        border-width: 1px;
    }

    .plans-chat-stage,
    .plans-chat-messages {
        overflow: auto;
    }

    .plans-chat-input-row,
    .plans-chat-input-shell {
        position: static;
    }

    .plans-chat-input-row {
        padding: 0;
        margin-top: auto;
    }
}
.plans-main-viewer {
    min-height: clamp(90px, 17vh, 200px);
    max-height: var(--plans-viewer-max-height);
    height: min(100%, var(--plans-viewer-max-height));
    border-radius: var(--plans-radius-md);
    border: 1px solid rgba(255, 255, 255, 0.08);
    background: var(--plans-header-gradient, linear-gradient(160deg, rgba(15, 23, 42, 0.96), rgba(4, 6, 14, 0.94)));
    display: flex;
    flex-direction: column;
    align-items: stretch;
    justify-content: flex-start;
    overflow: hidden;
    position: relative;
    box-shadow:
        0 30px 60px rgba(3, 4, 12, 0.6),
        inset 0 0 0 1px rgba(255, 255, 255, 0.02);
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
    isolation: isolate;
}

.plans-main-viewer::after {
    content: "";
    position: absolute;
    inset: 0;
    background:
        radial-gradient(circle at 12% 18%, rgba(126, 192, 255, 0.18), transparent 55%),
        radial-gradient(circle at 82% 8%, rgba(255, 201, 85, 0.2), transparent 42%),
        linear-gradient(180deg, rgba(15, 23, 42, 0.4), transparent 70%);
    pointer-events: none;
    mix-blend-mode: screen;
    opacity: 0.65;
    z-index: -1;
}

.plans-main-viewer-placeholder {
    text-align: center;
    padding: 2rem;
    color: var(--plans-muted);
    display: flex;
    flex-direction: column;
    gap: 0.65rem;
}
.plans-viewer-stage {
    position: relative;
    width: 100%;
    min-height: clamp(90px, 22vh, 220px);
    max-height: var(--plans-viewer-max-height);
    height: min(var(--plans-viewer-max-height), 100%);
    border-radius: var(--plans-radius-md);
    border: 1px solid rgba(255, 255, 255, 0.08);
    background: linear-gradient(165deg, rgba(10, 15, 30, 0.96), rgba(4, 6, 14, 0.92));
    overflow-x: auto;
    overflow-y: auto;
    box-shadow:
        inset 0 0 35px rgba(3, 5, 12, 0.55),
        0 25px 55px rgba(2, 4, 10, 0.55);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
}

.plans-viewer-pdf-shell {
    display: flex;
    flex-direction: column;
    min-height: 0;
    height: 100%;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: var(--plans-radius-md);
    overflow: hidden;
    background:
        radial-gradient(circle at 22% 18%, rgba(255, 255, 255, 0.08), transparent 48%),
        radial-gradient(circle at 78% 12%, rgba(255, 201, 85, 0.18), transparent 42%),
        var(--plans-header-panel, rgba(9, 13, 26, 0.94));
}

.plans-viewer-pdf-frame {
    width: 100%;
    flex: 1;
    border: none;
    background: #fff;
    min-height: 0;
    height: 100%;
}

.plans-viewer-pdf-actions {
    display: flex;
    justify-content: flex-end;
    padding: 0.75rem 1.25rem;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    background: linear-gradient(120deg, rgba(8, 12, 24, 0.92), rgba(3, 5, 12, 0.9));
}

.plans-viewer-open-btn {
    padding: 0.65rem 1.5rem;
    font-size: 0.75rem;
}
.plans-main-viewer-label {
    font-size: 1rem;
}

.plans-main-viewer-caption {
    font-size: 0.9rem;
    color: var(--plans-label);
}


.plans-chat-body {
    display: grid;
    grid-template-rows: minmax(0, 1fr) auto auto;
    gap: clamp(0rem, 0.25vw, 0.3rem);
    align-items: stretch;
    flex: 1;
    min-height: 0;
    position: relative;
    padding-bottom: 0;
    overflow: hidden;
    background: transparent;
    border-radius: calc(var(--plans-radius-lg, 26px) - 6px);
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
}

.plans-chat-card {
    display: flex;
    flex-direction: column;
    /* Height controlled by media queries */
    min-height: 0;
    border: 1px solid var(--plans-accent, #ffc955);
    border-radius: var(--plans-radius-lg, 26px);
    padding: clamp(0.15rem, 0.3vw, 0.45rem) clamp(0.4rem, 0.6vw, 0.8rem) clamp(0.05rem, 0.25vw, 0.35rem);
    background: transparent;
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
    box-shadow: none;
    position: sticky;
    /* top value set in media queries */
    align-self: start;
    overflow: hidden;
}

.plans-chat-toolbar {
    display: flex;
    justify-content: flex-end;
}

.plans-toolbox-toggle {
    border-radius: 999px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    background: rgba(255, 255, 255, 0.05);
    color: var(--plans-text);
    font-size: 0.78rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    padding: 0.6rem 1.2rem;
    cursor: pointer;
    transition: background var(--plans-transition), border-color var(--plans-transition), color var(--plans-transition);
}

.plans-toolbox-toggle:hover,
.plans-toolbox-toggle:focus-visible {
    border-color: rgba(255, 201, 85, 0.7);
    color: var(--plans-accent);
}

.plans-chat-stage {
    position: relative;
    width: 100%;
    flex: 1;
    display: flex;
    flex-direction: column;
    border-radius: var(--plans-radius-md);
    background: transparent;
    border: none;
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
    padding: clamp(0.22rem, 0.45vw, 0.5rem);
    min-height: 0;
    grid-row: 1 / 2;
    box-sizing: border-box;
    scroll-behavior: smooth;
}

.plans-chat-stage .plans-chat-messages {
    flex: 1;
    min-height: 0;
    height: auto;
    max-height: none;
    width: 100%;
    background: rgba(6, 8, 20, 0.6);
    border-radius: calc(var(--plans-radius-md) - 6px);
    padding: 0.02rem 0.12rem 0.12rem 0.12rem;
    overflow-y: auto;
    overscroll-behavior: contain;
    -webkit-overflow-scrolling: touch;
}

.plans-chat-jump {
    position: fixed;
    right: 1rem;
    bottom: 8rem;
    width: 52px;
    height: 52px;
    border-radius: 50%;
    border: 2px solid var(--plans-accent);
    background: rgba(6, 7, 14, 0.95);
    color: var(--plans-accent);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    box-shadow:
        0 15px 35px rgba(0, 0, 0, 0.45),
        0 0 20px rgba(255, 201, 85, 0.3);
    opacity: 0;
    pointer-events: none;
    transform: translateY(8px) scale(0.9);
    transition:
        opacity var(--plans-transition),
        transform var(--plans-transition),
        border-color var(--plans-transition),
        box-shadow var(--plans-transition);
    z-index: 1100;
    cursor: pointer;
}

.plans-chat-jump:is(:hover, :focus-visible) {
    border-color: #fff;
    background: var(--plans-accent);
    box-shadow:
        0 18px 40px rgba(0, 0, 0, 0.5),
        0 0 25px rgba(255, 201, 85, 0.5);
}

.plans-chat-jump:is(:hover, :focus-visible) .plans-chat-jump-icon,
.plans-chat-jump:is(:hover, :focus-visible) .plans-chat-jump-icon path,
.plans-chat-jump:is(:hover, :focus-visible) .plans-chat-jump-icon rect {
    fill: #06070e;
}

.plans-chat-jump.is-visible {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0) scale(1);
}

/* Hide jump button when toolbox is open */
.plans-toolbox-overlay.is-active ~ * .plans-chat-jump,
.plans-toolbox-overlay.is-active + * .plans-chat-jump {
    opacity: 0 !important;
    pointer-events: none !important;
}

.plans-chat-jump-icon {
    width: 28px;
    height: 28px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: var(--plans-accent);
    line-height: 1;
}

.plans-chat-jump-icon svg {
    width: 100%;
    height: 100%;
    display: block;
    fill: currentColor;
}

.plans-chat-jump:is(:hover, :focus-visible) .plans-chat-jump-icon {
    color: #06070e;
}

.plans-toolbox-tab {
    display: none;
    justify-content: center;
    grid-row: 2 / 3;
    align-self: end;
}

.plans-toolbox-tab-btn {
    border-radius: 999px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    background: rgba(255, 255, 255, 0.08);
    color: var(--plans-text);
    font-size: 0.82rem;
    letter-spacing: 0.25em;
    text-transform: uppercase;
    padding: 0.7rem 1.4rem;
    cursor: pointer;
    transition: background var(--plans-transition), border-color var(--plans-transition), color var(--plans-transition);
}

.plans-toolbox-tab-btn:hover,
.plans-toolbox-tab-btn:focus-visible {
    border-color: rgba(255, 201, 85, 0.75);
    color: var(--plans-accent);
}

.plans-toolbox-tab.is-visible {
    display: flex;
}

.plans-chat-stage[data-toolbox-state="hidden"] ~ .plans-toolbox-tab {
    margin-top: -0.35rem;
}

@media (max-width: 960px) {
    .plans-chat-stage {
        width: 100%;
    }

    .plans-chat-card {
        position: static;
        height: auto;
        max-height: none;
    }

    .plans-chat-body {
        min-height: 520px;
    }

    .plans-viewer-card {
        height: auto;
        max-height: none;
    }
}

@media (max-aspect-ratio: 4 / 5) and (min-width: 721px) {
    .plans-session-grid:not(.is-viewer-collapsed) {
        grid-template-columns: minmax(0, 1fr);
        grid-auto-rows: auto;
    }

    .plans-viewer-card,
    .plans-chat-card {
        grid-column: 1 / -1;
        max-height: none;
    }

    .plans-chat-card {
        position: static;
        top: auto;
        height: calc(100vh - var(--app-header-height, 70px) - 1.5rem);
        max-height: calc(100vh - var(--app-header-height, 70px) - 1.5rem);
    }

    .plans-chat-stage,
    .plans-chat-body,
    .plans-main-viewer-shell,
    .plans-main-viewer {
        min-height: 0;
    }

    .plans-viewer-stage {
        min-height: clamp(110px, 28vh, 250px);
        max-height: calc(100vh - var(--app-header-height, 70px) - 3.65rem);
        height: min(100%, calc(100vh - var(--app-header-height, 70px) - 3.65rem));
        overflow-y: auto;
    }
}

@keyframes plansReasoningThinkingPulse {
    0% {
        opacity: 1;
        transform: translateY(0) scale(1);
        background: var(--plans-accent);
    }
    25% {
        opacity: 1;
        transform: translateY(-4px) scale(1.15);
        background: #ff9f43;
    }
    50% {
        opacity: 1;
        transform: translateY(0) scale(1);
        background: #ee5a24;
    }
    75% {
        opacity: 1;
        transform: translateY(-4px) scale(1.15);
        background: #f8b739;
    }
    100% {
        opacity: 1;
        transform: translateY(0) scale(1);
        background: var(--plans-accent);
    }
}

.plans-chat-message-reasoning {
    border-style: dashed;
    border-color: rgba(255, 201, 85, 0.4);
    background: rgba(18, 12, 2, 0.65);
    color: var(--plans-muted);
}

.plans-chat-message-reasoning[data-reasoning-state="failed"] {
    border-color: rgba(255, 128, 128, 0.6);
    background: rgba(42, 6, 11, 0.78);
    color: #ffdede;
}

.plans-chat-message-reasoning[data-reasoning-state="completed"] {
    border-color: rgba(126, 250, 209, 0.55);
    background: rgba(5, 24, 21, 0.75);
    color: var(--plans-success);
}

.plans-chat-message-reasoning[data-placeholder="true"] {
    font-style: italic;
    color: rgba(255, 255, 255, 0.7);
}

.plans-reasoning-inline-indicator {
    display: inline-flex;
    gap: 0.5rem;
    margin-bottom: 0.35rem;
    opacity: 0.35;
    transition: opacity var(--plans-transition);
}

.plans-reasoning-inline-indicator[data-active="true"] {
    opacity: 1;
}

.plans-reasoning-inline-dot {
    width: 1rem;
    height: 1rem;
    border-radius: 50%;
    background: rgba(255, 201, 85, 0.9);
    box-shadow: 0 0 8px rgba(255, 201, 85, 0.6);
    animation: plansReasoningThinkingPulse 2s ease-in-out infinite;
    animation-delay: calc(var(--dot-index, 0) * 0.25s);
}

.plans-reasoning-inline-summary {
    margin: 0;
    font-size: 1.1rem;
    font-weight: 500;
    line-height: 1.55;
    color: var(--plans-text);
    background: linear-gradient(
        90deg,
        var(--plans-text) 0%,
        var(--plans-text) 40%,
        #ffc955 50%,
        var(--plans-text) 60%,
        var(--plans-text) 100%
    );
    background-size: 200% 100%;
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: plansReasoningShimmer 2s ease-in-out infinite;
}

@keyframes plansReasoningShimmer {
    0% {
        background-position: 100% 0;
    }
    100% {
        background-position: -100% 0;
    }
}

.plans-reasoning-inline-summary[data-placeholder="true"] {
    font-style: italic;
    background: linear-gradient(
        90deg,
        rgba(255, 255, 255, 0.75) 0%,
        rgba(255, 255, 255, 0.75) 40%,
        #ffc955 50%,
        rgba(255, 255, 255, 0.75) 60%,
        rgba(255, 255, 255, 0.75) 100%
    );
    background-size: 200% 100%;
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: plansReasoningShimmer 2s ease-in-out infinite;
}

.plans-chat-messages {
    min-height: clamp(360px, 42vh, 640px);
    max-height: none;
    height: auto;
    overflow-y: auto;
    overflow-anchor: none; /* ChatGPT-style: disable browser scroll anchoring so content can stream downward without auto-scroll */
    display: flex;
    flex-direction: column;
    gap: 0.9rem;
    padding-right: 0.3rem;
    color: var(--plans-text);
    flex: 1;
}

/* ChatGPT-style streaming spacer - pushes new message to top of viewport */
.plans-chat-streaming-spacer {
    flex-shrink: 0;
    pointer-events: none;
    transition: none !important;
    animation: none !important;
    transform: none !important;
    will-change: auto !important;
    /* Height is set dynamically by JS */
}

/* Force immediate appearance on mobile */
@media (max-width: 960px) {
    .plans-chat-streaming-spacer {
        transition: none !important;
        animation: none !important;
        transform: none !important;
        will-change: auto !important;
        backface-visibility: hidden;
        -webkit-transform: translateZ(0);
        transform: translateZ(0);
    }
}

.plans-chat-message {
    border-radius: var(--plans-radius-sm);
    padding: 0.85rem 1rem;
    font-size: 0.92rem;
    line-height: 1.5;
    border: 1px solid rgba(255, 255, 255, 0.08);
    word-wrap: break-word;
    overflow-wrap: break-word;
    background: linear-gradient(150deg, rgba(15, 23, 42, 0.96), rgba(5, 8, 20, 0.92));
    box-shadow: 0 24px 48px rgba(3, 4, 12, 0.52);
    color: var(--plans-text);
}

.plans-chat-message-empty {
    display: none !important;
}

.plans-chat-typing {
    display: flex;
    align-items: center;
    gap: 0.65rem;
    padding: 0.65rem 1rem;
    margin: 0.25rem 0 0.5rem;
    border-radius: var(--plans-radius-sm);
    background: rgba(10, 13, 26, 0.92);
    border: 1px solid rgba(255, 255, 255, 0.05);
    box-shadow: 0 18px 38px rgba(0, 0, 0, 0.35);
    color: var(--plans-label);
    font-size: 0.9rem;
    align-self: flex-start;
}

.plans-chat-typing[hidden] {
    display: none !important;
}

.plans-chat-typing-dots {
    display: inline-flex;
    gap: 0.5rem;
}

.plans-chat-typing-dot {
    width: 1rem;
    height: 1rem;
    border-radius: 999px;
    background: var(--plans-accent);
    animation: plansTypingPulse 1.4s infinite ease-in-out;
}

.plans-chat-typing-dot:nth-child(2) {
    animation-delay: 0.2s;
}

.plans-chat-typing-dot:nth-child(3) {
    animation-delay: 0.4s;
}

.plans-chat-typing-label {
    font-weight: 500;
    letter-spacing: 0.02em;
    color: var(--plans-text);
}

@keyframes plansTypingPulse {
    0% {
        transform: translateY(0) scale(1);
        background: var(--plans-accent);
    }
    25% {
        transform: translateY(-4px) scale(1.1);
        background: #ff9f43;
    }
    50% {
        transform: translateY(0) scale(1);
        background: #ee5a24;
    }
    75% {
        transform: translateY(-4px) scale(1.1);
        background: #f8b739;
    }
    100% {
        transform: translateY(0) scale(1);
        background: var(--plans-accent);
    }
}

.plans-chat-message-body {
    overflow: visible;
    word-wrap: break-word;
    overflow-wrap: break-word;
    text-align: left;
}

.plans-chat-references {
    margin-top: 0.9rem;
    padding-top: 0.85rem;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    font-size: 0.82rem;
    color: rgba(255, 255, 255, 0.78);
    display: flex;
    flex-direction: column;
    gap: 0.45rem;
}

.plans-chat-references-label {
    margin: 0;
    text-transform: uppercase;
    letter-spacing: 0.18em;
    font-size: 0.72rem;
    color: rgba(255, 255, 255, 0.65);
}

.plans-chat-references-list {
    margin: 0;
    padding-left: 1.2rem;
    display: flex;
    flex-direction: column;
    gap: 0.45rem;
    list-style: decimal;
    list-style-position: outside;
}

.plans-chat-references-item {
    padding-left: 0.25rem;
    color: rgba(255, 255, 255, 0.78);
}

.plans-chat-reference-link {
    color: var(--plans-accent, #fbd38d);
    font-weight: 600;
    text-decoration: none;
}

.plans-chat-reference-link:hover,
.plans-chat-reference-link:focus-visible {
    text-decoration: underline;
}

.plans-chat-reference-domain {
    display: inline-block;
    margin-left: 0.4rem;
    font-size: 0.75rem;
    color: rgba(255, 255, 255, 0.55);
}

.plans-chat-reference-snippet {
    margin: 0.2rem 0 0;
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.4;
}

.plans-chat-message-assistant .plans-chat-message-body {
    line-height: 1.6;
}

.plans-chat-message-user {
    align-self: flex-end;
    background: linear-gradient(160deg, rgba(15, 23, 42, 0.97), rgba(4, 7, 18, 0.92));
    border-color: rgba(255, 255, 255, 0.14);
    color: var(--plans-text);
    box-shadow:
        0 30px 55px rgba(4, 6, 15, 0.55),
        inset 0 0 0 1px rgba(255, 201, 85, 0.18);
}

.plans-chat-message-assistant {
    background: transparent;
    color: var(--plans-text);
    border: none;
    box-shadow: none;
    font-family: "Inter", "Segoe UI", "Helvetica Neue", Arial, sans-serif;
    letter-spacing: 0.01em;
}

.plans-chat-message-assistant h1,
.plans-chat-message-assistant h2,
.plans-chat-message-assistant h3,
.plans-chat-message-assistant h4,
.plans-chat-message-assistant h5,
.plans-chat-message-assistant h6,
.plans-chat-message-assistant strong,
.plans-chat-message-assistant b {
    color: var(--plans-text);
}

.plans-chat-message-body p {
    margin: 0 0 0.6rem;
}

.plans-chat-message-body h5,
.plans-chat-message-body h6,
.plans-chat-message-body strong,
.plans-chat-message-body b {
    color: inherit;
}


.plans-chat-message-body ul,
.plans-chat-message-body ol {
    margin: 0 0 0.85rem 1.5rem;
    padding-left: 1.25rem;
    list-style-position: outside;
}

.plans-chat-message-body ul li::marker,
.plans-chat-message-body ol li::marker {
    color: var(--plans-accent);
}

.plans-chat-message-body li {
    margin-bottom: 0.35rem;
    line-height: 1.55;
}


.plans-chat-message-body table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
    margin: 0 0 1rem;
    font-size: 0.9rem;
    border: 0;
    outline: 2px solid rgba(12, 19, 36, 0.08);
    box-shadow: 0 18px 40px rgba(3, 5, 11, 0.35);
    background: var(--plans-surface-light);
    border-radius: 16px;
    overflow: hidden;
}

.plans-chat-message-body th,
.plans-chat-message-body td {
    border: 1px solid rgba(12, 19, 36, 0.12);
    padding: 0.6rem 0.75rem;
    text-align: left;
    background-clip: padding-box;
    color: var(--plans-text-dark);
}

.plans-chat-message-body th {
    background: var(--plans-surface-muted);
    font-weight: 600;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    font-size: 0.78rem;
}

.plans-chat-message-body tr:nth-child(even) td {
    background: rgba(9, 16, 32, 0.04);
}

.plans-chat-message-body td:nth-child(n+4) {
    text-align: right;
}

.plans-chat-message-body caption {
    caption-side: top;
    margin-bottom: 0.35rem;
    font-size: 0.8rem;
    color: rgba(12, 19, 36, 0.65);
    letter-spacing: 0.15em;
    text-transform: uppercase;
}

.plans-chat-message-body ul ul,
.plans-chat-message-body ul ol,
.plans-chat-message-body ol ul,
.plans-chat-message-body ol ol {
    margin-top: 0.25rem;
    margin-bottom: 0.45rem;
}

.plans-chat-message-body p:last-child {
    margin-bottom: 0;
}

.plans-chat-message-streaming {
    border-color: rgba(255, 201, 85, 0.35);
}

.plans-chat-table-scroll {
    width: 100%;
    max-width: 100%;
    overflow-x: hidden;
    border-radius: 18px;
}

@media (max-width: 720px) {
    .plans-chat-table-scroll {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        margin: 0 -1rem;
        padding: 0 1rem;
    }

    .plans-chat-table-scroll table {
        min-width: 420px;
        width: max-content;
    }

    /* Make tables scrollable on mobile */
    .plans-chat-message-body table {
        display: block;
        overflow-x: auto;
        max-width: 100%;
        border-radius: 12px;
    }

    .plans-chat-message-body thead,
    .plans-chat-message-body tbody,
    .plans-chat-message-body tr {
        display: table;
        width: 100%;
        table-layout: auto;
    }

    .plans-chat-message-body {
        overflow: visible;
    }

    .plans-chat-messages {
        overflow-x: hidden;
        overflow-y: auto;
        max-width: 100%;
    }
}

.plans-toolbox-overlay {
    position: fixed;
    inset: 0;
    display: flex;
    align-items: flex-start;
    justify-content: center;
    padding: clamp(0.5rem, 1vw, 1.25rem);
    --plans-toolbox-safe-top: calc(var(--app-header-height, 70px) + clamp(1.1rem, 2.8vh, 3.5rem));
    --plans-toolbox-safe-bottom: clamp(1.4rem, 4vh, 4.5rem);
    --plans-toolbox-available-height: max(
        320px,
        calc(100vh - var(--plans-toolbox-safe-top) - var(--plans-toolbox-safe-bottom))
    );
    padding-top: var(--plans-toolbox-safe-top);
    padding-bottom: var(--plans-toolbox-safe-bottom);
    pointer-events: none;
    opacity: 0;
    transition: opacity var(--plans-transition);
    z-index: 30;
}

.plans-toolbox-overlay.is-active {
    opacity: 1;
    pointer-events: auto;
}

.plans-toolbox-scrim {
    position: absolute;
    inset: 0;
    background: rgba(3, 4, 12, 0.8);
    backdrop-filter: blur(4px);
    opacity: 0;
    transition: opacity var(--plans-transition);
    touch-action: none;
}

.plans-toolbox-overlay.is-active .plans-toolbox-scrim {
    opacity: 1;
}

.plans-toolbox {
    position: relative;
    border-radius: 28px 28px 20px 20px;
    border: 1px solid rgba(255, 201, 85, 0.25);
    background: linear-gradient(165deg, rgba(12, 15, 28, 0.98), rgba(5, 6, 14, 0.95));
    padding: clamp(0.85rem, 1.6vw, 1.25rem);
    display: flex;
    flex-direction: column;
    gap: clamp(0.55rem, 1vw, 0.85rem);
    width: min(640px, 92%);
    max-height: min(var(--plans-toolbox-available-height), 760px);
    min-height: min(clamp(340px, 52vh, 600px), var(--plans-toolbox-available-height));
    overflow-y: auto;
    box-shadow: 0 18px 52px rgba(0, 0, 0, 0.6);
    transform: translateY(28px);
    opacity: 0;
    pointer-events: none;
    transition: transform var(--plans-transition), opacity var(--plans-transition);
}

.plans-toolbox-overlay.is-active .plans-toolbox {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
}

.plans-toolbox-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 0.75rem;
}

.plans-toolbox-title {
    font-size: 0.9rem;
    letter-spacing: 0.3em;
    text-transform: uppercase;
    color: #ffffff;
    text-shadow: 0 4px 20px rgba(255, 255, 255, 0.45);
}

.plans-toolbox-subtitle {
    font-size: 0.85rem;
    color: var(--plans-muted);
}

.plans-toolbox-close {
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.08);
    color: var(--plans-text);
    width: 34px;
    height: 34px;
    font-size: 1.1rem;
    line-height: 1;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background var(--plans-transition), border-color var(--plans-transition), color var(--plans-transition);
}

.plans-toolbox-close:hover,
.plans-toolbox-close:focus-visible {
    border-color: rgba(255, 201, 85, 0.7);
    color: var(--plans-accent);
}

.plans-toolbox-featured {
    border: 1px solid rgba(255, 201, 85, 0.35);
    border-radius: 18px;
    padding: clamp(0.7rem, 1.4vw, 1rem) clamp(0.9rem, 1.8vw, 1.2rem);
    background: linear-gradient(135deg, rgba(255, 201, 85, 0.08), rgba(255, 157, 77, 0.08));
    box-shadow: 0 14px 32px rgba(255, 201, 85, 0.2);
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

@media (min-width: 768px) {
    .plans-toolbox-featured {
        flex-direction: row;
        align-items: center;
        gap: clamp(0.6rem, 1vw, 1rem);
    }

    .plans-toolbox-featured-header {
        flex: 1;
    }

    .plans-toolbox-featured-btn {
        margin-left: clamp(0.45rem, 1vw, 1.2rem);
    }
}

.plans-toolbox-featured-header {
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
}

.plans-toolbox-featured-badge {
    font-size: 0.7rem;
    letter-spacing: 0.28em;
    text-transform: uppercase;
    color: #0b0d15;
    background: #ffc955;
    border-radius: 999px;
    padding: 0.18rem 0.72rem;
    align-self: flex-start;
}

.plans-toolbox-featured-title {
    margin: 0;
    font-size: clamp(1.05rem, 2vw, 1.2rem);
    color: #fffaf0;
}

.plans-toolbox-featured-copy {
    margin: 0;
    color: rgba(255, 255, 255, 0.9);
    font-weight: 500;
    letter-spacing: 0.01em;
    font-size: 0.92rem;
}

.plans-toolbox-featured-btn {
    align-self: flex-start;
    text-align: center;
    white-space: nowrap;
    padding-inline: clamp(1.2rem, 2vw, 1.8rem);
}

.plans-toolbox-categories {
    display: flex;
    flex-direction: column;
    gap: 0.9rem;
    flex: 1;
    overflow-y: auto;
    padding-right: 0.35rem;
}

.plans-toolbox-empty {
    font-size: 0.9rem;
    color: var(--plans-muted);
}

.toolbox-category {
    border-radius: var(--plans-radius-md);
    border: 1px solid rgba(255, 255, 255, 0.14);
    padding: 0.9rem;
    background: rgba(9, 11, 20, 0.9);
    display: flex;
    flex-direction: column;
    gap: 0.65rem;
    position: relative;
}

.toolbox-category-header h3 {
    margin: 0;
    font-size: 0.96rem;
    text-transform: uppercase;
    letter-spacing: 0.18em;
    color: var(--plans-accent);
}

.toolbox-category-header p {
    margin: 0.3rem 0 0;
    color: var(--plans-muted);
    font-size: 0.84rem;
}

.toolbox-category::before {
    content: "";
    position: absolute;
    inset: 0.35rem;
    border: 1px solid rgba(255, 201, 85, 0.16);
    border-radius: calc(var(--plans-radius-md) - 6px);
    pointer-events: none;
}

.toolbox-prompt-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    gap: 0.6rem;
}

.toolbox-prompt-btn {
    border-radius: var(--plans-radius-sm);
    border: 1px solid rgba(255, 255, 255, 0.08);
    background: rgba(5, 6, 14, 0.9);
    color: var(--plans-text);
    font-size: 0.85rem;
    text-align: left;
    padding: 0.75rem;
    cursor: pointer;
    transition: border-color var(--plans-transition), transform var(--plans-transition), background var(--plans-transition);
}

.toolbox-prompt-btn:hover,
.toolbox-prompt-btn:focus-visible {
    border-color: var(--plans-accent);
    background: rgba(14, 17, 34, 0.95);
    transform: translateY(-1px);
}

.plans-chat-input-row {
    display: flex;
    flex-direction: column;
    gap: clamp(0.3rem, 0.5vw, 0.55rem);
    grid-row: 3 / 4;
    align-self: stretch;
    margin-top: clamp(0.05rem, 0.15vw, 0.25rem);
}

.plans-chat-input-shell {
    display: flex;
    gap: 0.75rem;
    align-items: flex-end;
    width: 100%;
    padding: 0.7rem 0.9rem;
    border-radius: var(--plans-radius-lg);
    border: 1px solid rgba(255, 201, 85, 0.35);
    background: rgba(6, 8, 18, 0.92);
    box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.02);
}

.plans-chat-input {
    flex: 1;
    min-height: 52px;
    max-height: 140px;
    padding: 0.85rem 1rem;
    font-family: var(--plans-font);
    font-size: 1rem;
    line-height: 1.5;
    color: var(--plans-text);
    background: transparent;
    border: none;
    border-radius: var(--plans-radius-md);
    resize: none;
    overflow-y: auto;
    transition: border-color var(--plans-transition), background var(--plans-transition);
}

.plans-chat-input:focus {
    outline: none;
    border: none;
    background: transparent;
}

.plans-chat-input::placeholder {
    color: var(--plans-label);
}

.plans-chat-input-shell[data-input-mode="voice"] .plans-chat-send-btn {
    display: none;
}

.plans-chat-input-shell[data-input-mode="text"] .plans-chat-voice-btn {
    display: none;
}

.plans-chat-send-btn {
    min-height: 52px;
    min-width: 52px;
    padding: 0.85rem 1.35rem;
    flex-shrink: 0;
    border-radius: var(--plans-radius-md);
    text-transform: none;
    letter-spacing: normal;
}

.plans-chat-send-icon {
    width: 20px;
    height: 20px;
}

.plans-chat-voice-btn {
    border-radius: var(--plans-radius-md);
    border: none;
    background: transparent;
    color: var(--plans-text);
    padding: 0.85rem 1.35rem;
    min-height: 52px;
    min-width: 52px;
    cursor: pointer;
    transition: all var(--plans-transition);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    outline: none;
}

.plans-chat-voice-btn:hover,
.plans-chat-voice-btn:focus-visible {
    border: none;
    background: transparent;
    transform: translateY(-1px);
    outline: none;
}

.plans-chat-voice-btn[data-state="recording"] {
    border: none;
    background: transparent;
    animation: pulse-red 1.5s ease-in-out infinite;
}

@keyframes pulse-red {
    0%, 100% { box-shadow: 0 0 0 0 rgba(255, 80, 80, 0.4); }
    50% { box-shadow: 0 0 0 8px rgba(255, 80, 80, 0); }
}

.plans-chat-voice-icon {
    width: 20px;
    height: 20px;
    fill: currentColor;
}

.plans-chat-stop-btn {
    border-radius: var(--plans-radius-md);
    border: 1px solid rgba(255, 138, 138, 0.45);
    background: linear-gradient(135deg, rgba(74, 14, 22, 0.95), rgba(38, 6, 9, 0.92));
    color: #ffc7c7;
    padding: 0.65rem 1.15rem;
    min-height: 52px;
    min-width: 52px;
    cursor: pointer;
    transition: border-color var(--plans-transition), background var(--plans-transition), color var(--plans-transition), opacity var(--plans-transition);
    display: none;
    align-items: center;
    justify-content: center;
    gap: 0.65rem;
    margin: 0;
    flex: 0 0 auto;
}
.plans-chat-stop-btn:not(:disabled):hover,
.plans-chat-stop-btn:not(:disabled):focus-visible {
    border-color: rgba(255, 193, 193, 0.85);
    color: #ffe4e4;
    transform: translateY(-1px);
    background: linear-gradient(135deg, rgba(120, 24, 36, 0.95), rgba(48, 8, 12, 0.92));
    transition: border-color var(--plans-transition), background var(--plans-transition), transform var(--plans-transition);
}

.plans-chat-stop-btn[data-active="true"] {
    display: flex;
}

@media (max-width: 960px) {
    .plans-landing-grid,
    .plans-session-grid {
        grid-template-columns: 1fr;
        gap: 1.4rem;
    }

    .plans-viewer-header {
        gap: 0.6rem;
    }

    .plans-session-actions {
        width: 100%;
        justify-content: flex-start;
    }
}

@media (max-width: 720px) {
    .plans-header,
    .plans-viewer-header {
        flex-direction: column;
        align-items: flex-start;
    }

    .plans-upload-dropzone {
        flex-direction: column;
        text-align: center;
    }

    .plans-vault-card {
        width: 100%;
    }

    .plans-vault-body {
        gap: 0.75rem;
    }

    .plans-vault-grid {
        grid-template-columns: minmax(0, 1fr);
        gap: 0.85rem;
        max-height: none;
        overflow: visible;
        padding-right: 0;
    }

    .plans-chat-input-shell {
        flex-direction: column;
        align-items: stretch;
    }

    .plans-reasoning-strip {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.75rem;
    }

    .plans-reasoning-text {
        text-align: left;
        width: 100%;
    }

    .plans-chat-input-shell .plans-btn {
        width: 100%;
    }

    .plans-chat-stop-btn {
        width: 100%;
    }
}

@media (max-width: 640px) {
    body.plans-body {
        --plans-mobile-input-height: 64px;
        --plans-mobile-button-size: 40px;
        --plans-mobile-input-safe-area: calc(var(--plans-mobile-input-height, 64px) + 28px);
        --plans-mobile-input-lift: 0px;
    }

    html,
    body {
        height: 100%;
    }

    body.plans-body.plans-session-page {
        --plans-session-header-measured: calc(
            clamp(56px, var(--app-header-height, 70px), 80px)
            + env(safe-area-inset-top, 0px)
        );
        --plans-session-header-tighten: clamp(2px, 0.6vh, 8px);
        --plans-session-header-offset: calc(
            var(--plans-session-header-measured)
            - var(--plans-session-header-tighten, 0px)
        );
        overflow: hidden;
        overscroll-behavior: none;
    }

    body.plans-body.plans-session-page {
        padding-top: 0;
        min-height: 100vh;
        height: 100vh;
        position: fixed;
        inset: 0;
        width: 100%;
    }

    .plans-session-root,
    .plans-chat-card,
    .plans-chat-stage {
        overscroll-behavior: contain;
    }

    body.plans-body.plans-session-page .app-main {
        display: flex;
        flex-direction: column;
        min-height: 100vh;
        height: 100vh;
        padding-top: 0;
        margin-top: 0;
        padding-bottom: 0;
        overflow: hidden;
        box-sizing: border-box;
    }

    body.plans-body.plans-session-page .app-footer {
        display: none;
    }

    body.plans-body.plans-session-page #plans-session-root {
        position: fixed;
        top: var(--plans-session-header-offset, var(--app-header-height, 70px));
        left: 0;
        right: 0;
        bottom: 0;
        height: calc(100vh - var(--plans-session-header-offset, var(--app-header-height, 70px)));
        overflow: hidden;
    }

    .plans-landing-root {
        padding: 0 0.9rem calc(env(safe-area-inset-bottom, 0px) + 1rem);
    }

    /* Hide chat card header on mobile to save space */
    .plans-chat-card > .plans-card-header {
        display: none;
    }

    /* Minimize reasoning strip on mobile to save space */
    .plans-reasoning-strip {
        padding: 0.5rem 0.75rem;
        margin-bottom: 0.25rem;
        font-size: 0.8rem;
    }

    .plans-reasoning-pulse {
        font-size: 0.8rem;
        gap: 0.4rem;
    }

    .plans-reasoning-text {
        display: none; /* Hide detailed reasoning text on mobile */
    }

    /* Refined reasoning indicator dots on mobile */
    .plans-reasoning-inline-indicator {
        gap: 0.5rem;
        margin-bottom: 0.5rem;
    }

    .plans-reasoning-inline-dot {
        width: 1rem;
        height: 1rem;
        box-shadow: 0 0 8px rgba(255, 201, 85, 0.6);
    }

    /* Smaller reasoning summary on mobile */
    .plans-reasoning-inline-summary {
        font-size: 0.9rem;
        font-weight: 400;
        line-height: 1.4;
    }

    /* Refined reasoning message container on mobile */
    .plans-chat-message-reasoning {
        padding: 0.65rem 0.85rem;
        margin: 0.4rem 0;
        border-width: 1px;
    }

    .plans-session-root {
        max-width: 100%;
        flex: 1;
        min-height: 0;
        height: 100%;
        padding-top: 0;
        padding-right: clamp(0.2rem, 2vw, 0.5rem);
        padding-left: clamp(0.2rem, 2vw, 0.5rem);
        padding-bottom: 0;
        margin-top: 0;
        overflow: hidden;
    }

    .plans-landing-grid,
    .plans-session-grid {
        grid-template-columns: 1fr;
        gap: 0;
        padding: 0;
    }

    .plans-session-grid {
        display: flex;
        flex-direction: column;
        flex: 1;
        min-height: 0;
        height: 100%;
        overflow: hidden;
    }

    /* Remove card padding on mobile for full-screen */
    .plans-session-grid .plans-card {
        padding: 0;
        border: none;
        border-radius: 0;
        background: transparent;
        box-shadow: none;
    }

    .plans-card {
        padding: 1rem;
    }

    .plans-main-viewer {
        min-height: 40vh;
        max-height: 60vh;
        border-radius: 18px;
    }

    .plans-viewer-stage,
    .plans-viewer-pdf-shell,
    .plans-viewer-pdf-frame {
        min-height: 40vh;
        max-height: 60vh;
        height: 40vh;
    }

    .plans-viewer-pdf-shell {
        overflow: auto;
        border-radius: 18px;
    }

    .plans-viewer-toggle-shell {
        display: none;
    }

    .plans-viewer-card {
        display: none;
    }

    .plans-viewer-card.is-floating {
        display: flex;
        flex-direction: column;
        position: fixed;
        top: calc(var(--plans-session-header-offset, var(--app-header-height, 70px)) + clamp(0.35rem, 1.8vh, 1rem));
        right: clamp(0.5rem, 4vw, 1rem);
        bottom: clamp(0.75rem, 4vh, 1.5rem);
        left: clamp(0.5rem, 4vw, 1rem);
        z-index: 20;
        transform: translateX(110%);
        opacity: 0;
        transition: transform var(--plans-transition), opacity var(--plans-transition);
        background: linear-gradient(155deg, rgba(14, 16, 32, 0.98), rgba(4, 6, 14, 0.98));
        border-radius: 26px;
        border: 1px solid rgba(255, 255, 255, 0.08);
        box-shadow: 0 30px 60px rgba(0, 0, 0, 0.65);
        overflow: hidden;
    }

    .plans-viewer-card.is-floating.is-open {
        transform: translateX(0);
        opacity: 1;
    }

    .plans-viewer-card.is-floating .plans-viewer-body {
        flex: 1;
        display: flex;
        flex-direction: column;
        padding: clamp(0.75rem, 3vw, 1.3rem);
        background: rgba(3, 4, 10, 0.65);
    }

    .plans-viewer-card.is-floating .plans-viewer-header {
        padding: clamp(1rem, 4vw, 1.5rem);
        margin-bottom: 0;
        border-bottom: 1px solid rgba(255, 255, 255, 0.12);
        background: rgba(6, 8, 18, 0.98);
        box-shadow: 0 12px 30px rgba(0, 0, 0, 0.45);
    }

    .plans-viewer-card.is-floating .plans-session-meta-summary > span {
        background: rgba(255, 255, 255, 0.06);
    }

    .plans-viewer-handle.is-visible {
        display: inline-flex;
    }


    /* Larger toolbox on mobile */
    .plans-toolbox,
    .plans-toolbox-categories {
        max-height: 75vh;
        height: auto;
        overflow-y: auto;
        -webkit-overflow-scrolling: touch;
    }

    .plans-toolbox {
        width: 100%;
        padding: 1rem;
        border-radius: 16px 16px 0 0;
        max-height: 75vh;
        min-height: 60vh;
    }

    .plans-toolbox-categories {
        flex: 1;
        overflow-y: auto;
        min-height: calc(75vh - 3.5rem);
    }

    /* Full-screen chat on mobile - takes nearly entire viewport */
    .plans-chat-card {
        min-height: 0;
        height: 100%;
        flex: 1;
        display: flex;
        flex-direction: column;
        border-radius: 0;
        padding: 0;
        padding-bottom: 0 !important;
        width: 100%;
        overflow: hidden;
        /* Remove gold border on mobile for cleaner look */
        border: none;
    }

    .plans-chat-body {
        flex: 1;
        display: flex;
        flex-direction: column;
        min-height: 0;
        overflow: hidden;
        /* Account for fixed input at bottom + toolbox button above it */
        padding-bottom: calc(
            var(--plans-mobile-input-safe-area, 96px)
            + env(safe-area-inset-bottom, 0px)
            + var(--plans-mobile-input-lift, 0px)
            + 72px  /* Extra space for toolbox button */
        );
    }

    .plans-chat-stage {
        flex: 1;
        min-height: 0;
        height: 100%;
        overflow-y: auto;
        overscroll-behavior: contain;
        -webkit-overflow-scrolling: touch;
        touch-action: pan-y;
        display: flex;
        flex-direction: column;
        padding: 0 clamp(0.2rem, 2vw, 0.5rem);
        /* Remove extra padding-bottom since parent handles it now */
        padding-bottom: clamp(0.5rem, 2vh, 1rem);
        border: none;
        background: transparent;
        border-radius: 0;
        box-shadow: none;
        scroll-padding-bottom: clamp(0.5rem, 2vh, 1rem);
    }

    .plans-chat-messages,
    .plans-chat-stage .plans-chat-messages {
        flex: 1;
        height: auto;
        max-height: none;
        min-height: auto;
        overflow: visible;
        overscroll-behavior: auto;
        padding: 0;
        gap: 0.55rem;
    }

    .plans-chat-stage .plans-chat-messages {
        background: transparent;
        border-radius: 0;
    }

    /* Small spacer at end of messages for better scroll UX */
    .plans-chat-messages::after {
        content: "";
        display: block;
        flex: 0 0 auto;
        height: clamp(0.5rem, 2vh, 1rem);
        width: 100%;
    }

    /* Keep chat input anchored in layout on mobile instead of floating */
    .plans-chat-input-row {
        position: fixed;
        bottom: calc(
            var(--plans-mobile-keyboard-offset, 0px)
            + env(safe-area-inset-bottom, 0px)
            + var(--plans-mobile-input-lift, 0px)
        );
        left: 0;
        right: 0;
        background: linear-gradient(to top, rgba(5, 6, 14, 0.98) 0%, rgba(5, 6, 14, 0.95) 85%, transparent 100%);
        padding: 0.4rem clamp(0.6rem, 3vw, 0.85rem)
            calc(env(safe-area-inset-bottom, 0px) + var(--plans-mobile-input-lift, 0px) + 0.4rem);
        border-top: 1px solid rgba(255, 201, 85, 0.15);
        box-shadow: 0 -4px 18px rgba(0, 0, 0, 0.32);
        backdrop-filter: blur(12px);
        -webkit-backdrop-filter: blur(12px);
        z-index: 1000;
        transition: opacity 0.2s ease, visibility 0.2s ease;
    }

    /* Hide input and toolbox tab when toolbox overlay is open */
    .plans-toolbox-overlay.is-active ~ .plans-toolbox-tab,
    .plans-toolbox-overlay.is-active ~ .plans-chat-input-row {
        opacity: 0;
        visibility: hidden;
        pointer-events: none;
    }

    /* Mobile toolbox overlay - full screen fit */
    .plans-toolbox-overlay {
        --plans-toolbox-safe-top: calc(var(--app-header-height, 70px) + 0.5rem);
        --plans-toolbox-safe-bottom: 0.5rem;
        padding: 0.5rem;
        padding-top: var(--plans-toolbox-safe-top);
        align-items: stretch;
        overscroll-behavior: contain;
    }

    .plans-toolbox {
        width: 100%;
        max-width: 100%;
        max-height: calc(100vh - var(--plans-toolbox-safe-top) - var(--plans-toolbox-safe-bottom) - 1rem);
        min-height: auto;
        overflow: hidden;
        display: flex;
        flex-direction: column;
        overscroll-behavior: contain;
        touch-action: pan-y;
    }

    .plans-toolbox-categories {
        flex: 1;
        min-height: 0;
        overflow-y: auto;
        -webkit-overflow-scrolling: touch;
        overscroll-behavior: contain;
        touch-action: pan-y;
    }

    .plans-toolbox-featured {
        flex-shrink: 0;
        padding: 0.35rem 0.5rem;
        border-radius: 8px;
        gap: 0.2rem;
    }

    .plans-toolbox-featured-badge {
        font-size: 0.55rem;
        padding: 0.08rem 0.4rem;
    }

    .plans-toolbox-featured-title {
        font-size: 0.75rem;
    }

    .plans-toolbox-featured-copy {
        font-size: 0.68rem;
        line-height: 1.25;
    }

    .plans-toolbox-featured-btn {
        font-size: 0.65rem;
        padding: 0.3rem 0.7rem;
    }

    .plans-toolbox-header {
        flex-shrink: 0;
    }

    /* Toolbox button above input */
    .plans-toolbox-tab.is-visible {
        position: fixed;
        left: 0;
        right: 0;
        bottom: calc(
            var(--plans-mobile-input-safe-area, 96px)
            + var(--plans-mobile-keyboard-offset, 0px)
            + var(--plans-mobile-input-lift, 0px)
            + env(safe-area-inset-bottom, 0px)
            + clamp(0.3rem, 1.5vh, 1rem)
        );
        display: flex;
        justify-content: center;
        padding: 0;
        z-index: 1200;
        pointer-events: auto;
    }

    .plans-toolbox-tab-btn {
        font-size: 0.7rem;
        padding: 0.35rem 1.2rem;
        letter-spacing: 0.15em;
        border-radius: 999px 999px 0 0;
        background: linear-gradient(135deg, rgba(9, 11, 24, 0.98), rgba(4, 6, 15, 0.95));
        border: 1px solid rgba(255, 201, 85, 0.35);
        box-shadow: 0 -6px 20px rgba(0, 0, 0, 0.45);
        color: var(--plans-text);
    }

    /* Mobile chat input shell - more compact */
    .plans-chat-input-shell {
        gap: 0.45rem;
        padding: 0.35rem 0.4rem;
        border-radius: 14px;
        border: 1px solid rgba(255, 201, 85, 0.22);
        background: rgba(6, 8, 18, 0.9);
        /* Reorder buttons on mobile: input, voice, send */
        display: flex;
        flex-direction: row;
        align-items: center;
    }

    /* Change order: put voice button after input, before send button */
    .plans-chat-input {
        order: 1;
        font-size: 0.9rem;
        min-height: 36px;
        max-height: 82px;
        padding: 0.5rem 0.65rem;
        line-height: 1.35;
        flex: 1;
    }

    .plans-chat-voice-btn {
        order: 2;
        min-height: var(--plans-mobile-button-size, 44px);
        max-height: var(--plans-mobile-button-size, 44px);
        padding: 0.35rem 0.85rem;
        font-size: 0.85rem;
        flex: 0 0 auto;
        border-radius: 12px;
    }

    .plans-chat-send-btn {
        order: 3;
        min-height: var(--plans-mobile-button-size, 44px);
        max-height: var(--plans-mobile-button-size, 44px);
        padding: 0.35rem 0.85rem;
        font-size: 0.85rem;
        flex: 0 0 auto;
        border-radius: 12px;
    }

    .plans-chat-input-shell .plans-btn {
        width: auto;
    }

    .plans-chat-voice-icon {
        width: 24px;
        height: 24px;
    }

    /* Refined mobile typing indicator */
    .plans-chat-typing {
        padding: 0.55rem 0.85rem;
        font-size: 0.85rem;
    }

    .plans-chat-typing-dots {
        gap: 0.5rem;
    }

    .plans-chat-typing-dot {
        width: 1.1rem;
        height: 1.1rem;
    }

    .plans-chat-stop-btn {
        position: static;
        order: 3;
        width: var(--plans-mobile-button-size, 44px);
        height: var(--plans-mobile-button-size, 44px);
        min-width: var(--plans-mobile-button-size, 44px);
        min-height: var(--plans-mobile-button-size, 44px);
        max-height: var(--plans-mobile-button-size, 44px);
        padding: 0;
        border-radius: 12px;
        box-shadow: none;
        transform: none;
        max-width: var(--plans-mobile-button-size, 44px);
        gap: 0;
    }

    .plans-chat-stop-btn .plans-chat-stop-label {
        display: none;
    }

    /* Mobile text formatting improvements */
    .plans-chat-message {
        font-size: 1rem;
        line-height: 1.6;
        padding: 0;
        width: 100%;
    }

    /* Remove chat bubble styling on mobile for clean overlay feel */
    .plans-chat-message,
    .plans-chat-message-user,
    .plans-chat-message-assistant {
        background: transparent !important;
        border: none !important;
        box-shadow: none !important;
        color: var(--plans-text) !important;
    }

    .plans-chat-message-body,
    .plans-chat-message-assistant .plans-chat-message-body,
    .plans-chat-message-user .plans-chat-message-body,
    .plans-chat-message-body h1,
    .plans-chat-message-body h2,
    .plans-chat-message-body h3,
    .plans-chat-message-body h4,
    .plans-chat-message-body h5,
    .plans-chat-message-body h6,
    .plans-chat-message-body strong,
    .plans-chat-message-body b,
    .plans-chat-message-body em,
    .plans-chat-message-body i,
    .plans-chat-message-body th,
    .plans-chat-message-body td {
        color: var(--plans-text) !important;
    }

    .plans-chat-message-body a {
        color: var(--plans-accent) !important;
    }

    .plans-chat-message-body {
        line-height: 1.65;
        padding: 0.12rem clamp(0.18rem, 2vw, 0.4rem) 0.25rem;
        overflow-x: visible;
    }

    .plans-chat-message-user {
        width: 100%;
    }

    .plans-chat-message-user .plans-chat-message-body {
        margin-left: auto;
        margin-right: clamp(0.2rem, 3vw, 0.9rem);
        padding: clamp(0.65rem, 2.5vw, 0.95rem) clamp(0.85rem, 4vw, 1.35rem);
        border-radius: 22px;
        border: 1px solid rgba(255, 201, 85, 0.38);
        background: linear-gradient(135deg, rgba(255, 255, 255, 0.05), rgba(255, 201, 85, 0.08));
        box-shadow:
            0 12px 26px rgba(0, 0, 0, 0.55),
            inset 0 0 0 1px rgba(10, 10, 18, 0.35);
        max-width: min(94%, 520px);
        position: relative;
    }

    .plans-chat-message-user .plans-chat-message-body::after {
        content: "";
        position: absolute;
        inset: 0;
        border-radius: inherit;
        pointer-events: none;
        box-shadow: inset 0 0 18px rgba(255, 255, 255, 0.06);
    }

    .plans-chat-message-body table {
        width: 100%;
        max-width: 100%;
        border-collapse: collapse;
        border-spacing: 0;
        margin: 0.25rem 0 0.6rem;
        background: rgba(255, 255, 255, 0.025);
        border: 1px solid rgba(255, 255, 255, 0.08);
        border-radius: 8px;
        display: table;
        font-size: 0.78rem;
        table-layout: fixed;
    }

    .plans-chat-message-body table > * {
        width: 100%;
    }

    .plans-chat-message-body thead {
        display: table-header-group;
    }

    .plans-chat-message-body tbody {
        display: table-row-group;
    }

    .plans-chat-message-body tr {
        display: table-row;
    }

    .plans-chat-message-body th,
    .plans-chat-message-body td {
        border: 1px solid rgba(255, 255, 255, 0.08);
        padding: 0.35rem 0.45rem;
        background: transparent;
        color: var(--plans-text) !important;
        word-break: break-word;
        overflow-wrap: anywhere;
        white-space: normal;
        hyphens: auto;
    }

    .plans-chat-message-body th {
        background: rgba(255, 255, 255, 0.08);
        font-size: 0.68rem;
        letter-spacing: 0.07em;
        text-transform: uppercase;
    }

    .plans-chat-message-body tr:nth-child(even) td {
        background: rgba(255, 255, 255, 0.03);
    }

    .plans-chat-message-body caption {
        color: rgba(255, 255, 255, 0.6);
        letter-spacing: 0.12em;
    }

    .plans-chat-message-body p {
        margin-bottom: 0.85rem;
        line-height: 1.65;
    }

    .plans-chat-message-body h1,
    .plans-chat-message-body h2,
    .plans-chat-message-body h3 {
        font-size: 1.25rem;
        margin: 1.25rem 0 0.75rem;
        line-height: 1.4;
    }

    .plans-chat-message-body h4,
    .plans-chat-message-body h5,
    .plans-chat-message-body h6 {
        font-size: 1.1rem;
        margin: 1rem 0 0.5rem;
        line-height: 1.4;
    }

    .plans-chat-message-body ul,
    .plans-chat-message-body ol {
        margin: 0.75rem 0 1rem 1.25rem;
        padding-left: 1rem;
    }

    .plans-chat-message-body li {
        margin-bottom: 0.5rem;
        line-height: 1.6;
    }

    .plans-chat-message-body strong,
    .plans-chat-message-body b {
        font-weight: 600;
    }

    .plans-chat-message-body code {
        font-size: 0.9em;
        padding: 0.2em 0.4em;
        background: rgba(0, 0, 0, 0.15);
        border-radius: 4px;
    }

    .plans-chat-message-body pre {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        padding: 1rem;
        margin: 0.75rem 0;
        border-radius: 8px;
        font-size: 0.9rem;
        line-height: 1.5;
    }

    .plans-chat-message-body th,
    .plans-chat-message-body td {
        padding: 0.48rem 0.6rem;
        font-size: 0.7rem;
        line-height: 1.35;
    }

    .plans-chat-message-body th {
        font-size: 0.58rem;
    }

    .plans-main-viewer {
        min-height: 220px;
    }
}

@media (max-width: 480px) {
    .plans-card {
        padding: 1.4rem;
    }

    .plans-landing-root {
        padding: 0 1rem 3rem;
    }

    .plans-chat-input {
        min-height: 80px;
    }

}

@keyframes plansPulse {
    0% {
        transform: scale(1);
        opacity: 0.85;
    }
    50% {
        transform: scale(1.2);
        opacity: 0.45;
    }
    100% {
        transform: scale(1);
        opacity: 0.85;
    }
}