/**
 * ThinkTwin Visual Authority v1.0
 * Official design target — load last after ds-2-identity + ds-2-1 layers.
 * Independent desktop / tablet / mobile layouts per authority JSON.
 */

/* ── v1.0 token overrides ── */
body[data-design-system="va-1"] {
    --tds-bg-primary: #030816;
    --tds-bg-deep: #020510;
    --tds-glass-fill: rgba(255, 255, 255, 0.05);
    --tds-border: rgba(255, 255, 255, 0.08);
    --tds-purple: #8b5cf6;
    --tds-cyan: #22d3ee;
    --tds-blue: #2563eb;
    --tds-muted: #a8b3cf;
    --tds-text: #ffffff;
    --tds-success: #22c55e;
    --tds-warning: #facc15;
    --tds-danger: #ef4444;
    --tds-radius-card: 24px;
    --tds-radius-button: 16px;
    --tds-rail-width-expanded: 290px;
    --tds-dashboard-gap: 24px;
    --tds-section-gap: 24px;
    --tds-type-greeting: 42px;
    --tds-type-card-title: 26px;
    --va1-topbar-height: 80px;
    --va1-hero-height: 270px;
    --va1-sidebar-radius: 28px;
    --va1-sidebar-padding: 24px;
    --va1-nav-item-height: 52px;
    --va1-nav-icon-size: 22px;
    --va1-nav-spacing: 14px;
    --va1-card-padding: 24px;
    --va1-card-blur: 18px;
    --tds-gradient-cta: linear-gradient(135deg, #8b5cf6 0%, #2563eb 52%, #22d3ee 100%);
    --tds-gradient-nav-active: linear-gradient(90deg, #8b5cf6, #2563eb, #22d3ee);
    font-family: 'Inter', 'Cairo', system-ui, sans-serif;
}

body[data-design-system="va-1"][dir="rtl"] {
    font-family: 'Cairo', 'Inter', system-ui, sans-serif;
}

/* ── Canvas & brain (top-right authority) ── */
body[data-design-system="va-1"]::before {
    background:
        radial-gradient(ellipse 55% 45% at 88% 8%, rgba(139, 92, 246, 0.35), transparent 58%),
        radial-gradient(ellipse 45% 40% at 72% 18%, rgba(34, 211, 238, 0.22), transparent 52%),
        radial-gradient(circle at 50% 88%, rgba(3, 8, 22, 0.92), transparent 45%),
        linear-gradient(180deg, #030816 0%, #060a18 100%);
}

body[data-design-system="va-1"] .exec-brain-artwork,
body[data-design-system="va-1"] .eos-brain-artwork {
    position: fixed;
    top: -2%;
    inset-inline-end: 0;
    width: 45%;
    max-width: 720px;
    height: auto;
    opacity: 0.95;
    mix-blend-mode: screen;
    filter: drop-shadow(0 0 48px rgba(34, 211, 238, 0.35)) drop-shadow(0 0 64px rgba(139, 92, 246, 0.28));
    pointer-events: none;
    z-index: 0;
    animation: va1-brain-drift 28s ease-in-out infinite alternate;
}

@keyframes va1-brain-drift {
    from { transform: translateY(0) scale(1); }
    to { transform: translateY(-8px) scale(1.02); }
}

/* ── Shell width (P0 grid fix retained) ── */
body[data-design-system="va-1"].studio-shell {
    display: block;
}

body[data-design-system="va-1"] .exec-shell,
body[data-design-system="va-1"] .eos-shell {
    width: calc(100% - var(--eos-rail-width));
    margin-left: var(--eos-rail-width);
    min-width: 0;
    box-sizing: border-box;
}

body[data-design-system="va-1"] .exec-content,
body[data-design-system="va-1"] .eos-content {
    max-width: none;
    width: 100%;
    margin-inline: 0;
    padding: clamp(20px, 2.2vw, 32px) clamp(20px, 2.4vw, 36px) calc(var(--eos-bottom-nav-height) + 24px);
}

body[data-design-system="va-1"] .exec-brief-page,
body[data-design-system="va-1"] .brief-homepage,
body[data-design-system="va-1"] .va1-today-dashboard {
    max-width: none;
    width: 100%;
    margin-inline: 0;
}

body[data-design-system="va-1"] .eos-brief-grid.ds21-dashboard-grid,
body[data-design-system="va-1"] .va1-dashboard-grid {
    display: grid;
    gap: var(--tds-dashboard-gap);
    grid-template-columns: 1fr;
}

body[data-design-system="va-1"] .eos-brief-grid.ds21-dashboard-grid > *,
body[data-design-system="va-1"] .va1-dashboard-grid > * {
    grid-column: 1 / -1;
}

/* ── Sidebar 290px glass rail ── */
@media (min-width: 1024px) {
    body[data-design-system="va-1"] .exec-shell,
    body[data-design-system="va-1"] .eos-shell {
        width: calc(100% - var(--tds-rail-width-expanded) - 32px);
        margin-left: calc(var(--tds-rail-width-expanded) + 32px);
    }

    body[data-design-system="va-1"] .exec-sidebar,
    body[data-design-system="va-1"] .eos-icon-rail {
        top: 16px;
        left: 16px;
        bottom: 16px;
        height: auto;
        width: var(--tds-rail-width-expanded);
        padding: var(--va1-sidebar-padding);
        margin: 0;
        border-radius: var(--va1-sidebar-radius);
        background: color-mix(in srgb, rgba(255, 255, 255, 0.05) 90%, rgba(139, 92, 246, 0.06));
        border: 1px solid rgba(255, 255, 255, 0.08);
        backdrop-filter: blur(var(--va1-card-blur)) saturate(140%);
        -webkit-backdrop-filter: blur(var(--va1-card-blur)) saturate(140%);
        box-shadow: 0 8px 40px rgba(0, 0, 0, 0.35), inset 0 1px 0 rgba(255, 255, 255, 0.06);
    }

    body[data-design-system="va-1"] .exec-brand img,
    body[data-design-system="va-1"] .eos-brand img {
        width: 44px;
        height: 44px;
    }

    body[data-design-system="va-1"] .exec-rail-link,
    body[data-design-system="va-1"] .eos-rail-link {
        min-height: var(--va1-nav-item-height);
        padding: 0 14px;
        gap: var(--va1-nav-spacing);
        border-radius: 16px;
    }

    body[data-design-system="va-1"] .exec-rail-icon,
    body[data-design-system="va-1"] .eos-rail-icon {
        font-size: var(--va1-nav-icon-size);
        width: var(--va1-nav-icon-size);
    }

    body[data-design-system="va-1"] .exec-rail-link.is-active,
    body[data-design-system="va-1"] .eos-rail-link.is-active {
        background: var(--tds-gradient-nav-active);
        box-shadow: 0 0 24px rgba(139, 92, 246, 0.45), inset 0 0 0 1px rgba(255, 255, 255, 0.12);
    }

    body[data-design-system="va-1"] .exec-profile-card,
    body[data-design-system="va-1"] .eos-profile-card {
        border-radius: 20px;
        padding: 16px;
        background: rgba(255, 255, 255, 0.05);
        border: 1px solid rgba(255, 255, 255, 0.08);
        backdrop-filter: blur(12px);
    }
}

/* ── Topbar (80px — no glass card) ── */
body[data-design-system="va-1"] .va1-topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    min-height: var(--va1-topbar-height);
    margin-bottom: var(--tds-section-gap);
    padding: 0;
    background: transparent;
    border: 0;
    box-shadow: none;
    backdrop-filter: none;
}

body[data-design-system="va-1"] .va1-topbar .va1-greeting {
    margin: 0;
    font-size: clamp(1.75rem, 3.2vw, var(--tds-type-greeting));
    font-weight: 700;
    line-height: 1.15;
    letter-spacing: -0.02em;
}

body[data-design-system="va-1"] .va1-topbar .va1-date {
    display: block;
    margin-top: 6px;
    color: var(--tds-muted);
    font-size: var(--tds-type-body, 18px);
    font-weight: 400;
}

body[data-design-system="va-1"] .va1-topbar-actions {
    display: flex;
    align-items: center;
    gap: 16px;
    flex-shrink: 0;
}

body[data-design-system="va-1"] .va1-notification-btn {
    width: 48px;
    height: 48px;
    border-radius: 14px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    background: rgba(255, 255, 255, 0.04);
    color: var(--tds-text);
    font-size: 1.15rem;
    cursor: pointer;
}

body[data-design-system="va-1"] .va1-start-day-btn {
    min-height: 48px;
    padding: 12px 28px;
    font-size: 1rem;
    font-weight: 700;
    border-radius: var(--tds-radius-button);
}

/* Hide legacy glass header when va1 topbar present — N/A, va1-topbar is standalone */

/* ── Hero band (270px — left | brain | confidence) ── */
body[data-design-system="va-1"] .va1-hero {
    position: relative;
    display: grid;
    grid-template-columns: 1fr;
    min-height: var(--va1-hero-height);
    padding: var(--va1-card-padding);
    border-radius: var(--tds-radius-card);
    overflow: hidden;
    margin-bottom: var(--tds-section-gap);
}

body[data-design-system="va-1"] .va1-hero-left {
    position: relative;
    z-index: 2;
    display: flex;
    flex-direction: column;
    gap: 12px;
    min-width: 0;
}

body[data-design-system="va-1"] .va1-hero-center {
    display: none;
}

body[data-design-system="va-1"] .va1-hero-right {
    position: relative;
    z-index: 2;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
}

body[data-design-system="va-1"] .va1-hero .eos-priority-title {
    font-size: clamp(1.25rem, 2.2vw, 1.65rem);
    font-weight: 700;
    line-height: 1.35;
    margin: 0;
}

body[data-design-system="va-1"] .va1-hero-checklist {
    margin: 8px 0 0;
    padding: 0;
    list-style: none;
    display: grid;
    gap: 8px;
}

body[data-design-system="va-1"] .va1-hero-checklist li {
    display: grid;
    grid-template-columns: 20px 1fr;
    gap: 10px;
    align-items: start;
    font-size: 0.95rem;
    line-height: 1.45;
    color: var(--tds-muted);
}

body[data-design-system="va-1"] .va1-hero-checklist li::before {
    content: '✓';
    color: var(--tds-cyan);
    font-weight: 800;
}

body[data-design-system="va-1"] .va1-hero .eos-confidence-ring {
    width: min(140px, 32vw);
    margin: 8px 0;
}

body[data-design-system="va-1"] .ds21-hero-row {
    display: none;
}

/* ── Cards ── */
body[data-design-system="va-1"] .eos-card,
body[data-design-system="va-1"] .exec-card {
    padding: var(--va1-card-padding);
    border-radius: var(--tds-radius-card);
    border: 1px solid rgba(255, 255, 255, 0.08);
    backdrop-filter: blur(var(--va1-card-blur)) saturate(130%);
    -webkit-backdrop-filter: blur(var(--va1-card-blur)) saturate(130%);
    transition: transform var(--tds-motion-base), box-shadow var(--tds-motion-base);
}

body[data-design-system="va-1"] .eos-card:hover,
body[data-design-system="va-1"] .exec-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--tds-glow-card), 0 16px 48px rgba(139, 92, 246, 0.12);
}

body[data-design-system="va-1"] .eos-eyebrow {
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--tds-muted);
}

body[data-design-system="va-1"] .eos-card-head + .eos-focus-text,
body[data-design-system="va-1"] .eos-priority-title {
    font-size: var(--tds-type-body, 18px);
    font-weight: 400;
    line-height: 1.55;
}

/* ── Dashboard 4-column desktop ── */
body[data-design-system="va-1"] .ds21-status-row,
body[data-design-system="va-1"] .ds21-bottom-row {
    display: grid;
    gap: var(--tds-dashboard-gap);
    grid-template-columns: 1fr;
}

body[data-design-system="va-1"] .ds21-footer-row {
    display: grid;
    gap: var(--tds-dashboard-gap);
    grid-template-columns: 1fr;
}

@media (min-width: 1024px) {
    body[data-design-system="va-1"] .va1-hero {
        grid-template-columns: minmax(0, 1.15fr) minmax(180px, 0.55fr) minmax(200px, 0.42fr);
        align-items: stretch;
        column-gap: 20px;
    }

    body[data-design-system="va-1"] .va1-hero-center {
        display: flex;
        align-items: center;
        justify-content: center;
        position: relative;
        z-index: 1;
    }

    body[data-design-system="va-1"] .va1-hero-center img {
        width: min(100%, 280px);
        height: auto;
        opacity: 0.88;
        mix-blend-mode: screen;
        filter: drop-shadow(0 0 32px rgba(34, 211, 238, 0.4));
    }

    body[data-design-system="va-1"] .va1-hero-right {
        border-inline-start: 1px solid rgba(255, 255, 255, 0.06);
        padding-inline-start: 20px;
    }

    body[data-design-system="va-1"] .ds21-status-row,
    body[data-design-system="va-1"] .ds21-bottom-row {
        grid-template-columns: repeat(4, minmax(0, 1fr));
    }

    body[data-design-system="va-1"] .ds21-footer-row {
        grid-template-columns: 1.2fr 1fr;
    }
}

/* ── Tablet independent layout ── */
@media (min-width: 768px) and (max-width: 1023px) {
    body[data-design-system="va-1"] .exec-shell,
    body[data-design-system="va-1"] .eos-shell {
        width: calc(100% - var(--eos-rail-width));
        margin-left: var(--eos-rail-width);
    }

    body[data-design-system="va-1"] .va1-hero {
        grid-template-columns: 1fr minmax(160px, 0.45fr);
    }

    body[data-design-system="va-1"] .va1-hero-center {
        display: none;
    }

    body[data-design-system="va-1"] .ds21-status-row,
    body[data-design-system="va-1"] .ds21-bottom-row {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

/* ── Mobile independent layout ── */
@media (max-width: 767px) {
    body[data-design-system="va-1"] .exec-shell,
    body[data-design-system="va-1"] .eos-shell {
        width: 100%;
        margin-left: 0;
    }

    body[data-design-system="va-1"] .exec-sidebar,
    body[data-design-system="va-1"] .eos-icon-rail {
        display: none;
    }

    body[data-design-system="va-1"] .va1-topbar {
        flex-direction: column;
        align-items: stretch;
        min-height: auto;
        gap: 16px;
    }

    body[data-design-system="va-1"] .va1-topbar-actions {
        justify-content: space-between;
    }

    body[data-design-system="va-1"] .va1-start-day-btn {
        flex: 1;
    }

    body[data-design-system="va-1"] .va1-hero {
        min-height: auto;
    }

    body[data-design-system="va-1"] .va1-hero-right {
        padding-top: 16px;
        border-top: 1px solid rgba(255, 255, 255, 0.06);
    }

    body[data-design-system="va-1"] .ds21-mobile-notifications {
        display: block;
    }

    body[data-design-system="va-1"] .va1-bottom-nav .exec-bottom-link.is-center-brand,
    body[data-design-system="va-1"] .va1-bottom-nav .eos-bottom-link.is-center-brand {
        align-self: flex-start;
        margin-top: -18px;
    }

    body[data-design-system="va-1"] .va1-bottom-nav .exec-bottom-brand-wrap,
    body[data-design-system="va-1"] .va1-bottom-nav .eos-bottom-brand-wrap {
        width: 56px;
        height: 56px;
        border-radius: 999px;
        background: linear-gradient(135deg, rgba(139, 92, 246, 0.4), rgba(34, 211, 238, 0.2));
        box-shadow: var(--tds-glow-brain-center);
    }
}

[dir="rtl"] body[data-design-system="va-1"] .exec-brain-artwork,
[dir="rtl"] body[data-design-system="va-1"] .eos-brain-artwork {
    inset-inline-end: auto;
    inset-inline-start: 0;
    transform: scaleX(-1);
}