/* ==========================================================================
   Attention Lab · 3D Neural Architecture Visualizer Styling
   State-of-the-Art Spatial Architecture Comparison & Educational Interface
   ========================================================================== */

:root {
    color-scheme: dark;
    --bg: #050a12;
    --surface: rgba(9, 20, 34, .78);
    --surface-strong: rgba(14, 31, 50, .94);
    --line: rgba(133, 198, 235, .18);
    --line-strong: rgba(133, 198, 235, .42);
    --ink: #eef8ff;
    --muted: #8ca6b8;
    --cyan: #22d5f7;
    --blue: #3d82ff;
    --amber: #ffb34c;
    --green: #55d9a8;
    --violet: #aa8cff;
    --rose: #ff6f96;
    --flat-ink: #d7e2e1;
    --flat-muted: #8fa6a8;
    --flat-line: rgba(151, 180, 181, .28);
    --flat-panel: rgba(112, 142, 145, .10);
    --radius: 18px;
    --shadow: 0 24px 80px rgba(0, 0, 0, .42);

    /* Semantic Component Palette */
    --col-dense: #3c5d73;
    --col-dense-glow: rgba(60, 93, 115, 0.4);
    --col-svd: #22d5f7;
    --col-svd-glow: rgba(34, 213, 247, 0.5);
    --col-moe: #aa8cff;
    --col-moe-glow: rgba(170, 140, 255, 0.5);
    --col-mla: #ffb34c;
    --col-mla-glow: rgba(255, 179, 76, 0.5);

    --text-primary: #eef8ff;
    --text-muted: #8ca6b8;
    --text-faint: #50647f;
    --panel: #0a111d;
    --panel-border: rgba(133, 198, 235, .18);

    --font-sans: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    --font-mono: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    user-select: none;
}

html, body {
    width: 100%;
    min-width: 320px;
    height: 100%;
    overflow: hidden;
    color: var(--ink);
    background:
        radial-gradient(circle at 16% 22%, rgba(32, 132, 201, .17), transparent 34%),
        radial-gradient(circle at 85% 31%, rgba(170, 140, 255, .08), transparent 29%),
        var(--bg);
    font-family: var(--font-sans);
    text-rendering: optimizeLegibility;
    -webkit-font-smoothing: antialiased;
}

body.view-2d {
    background: #0a1116;
}

body.view-2d .mechanism-button.active {
    border-color: rgba(151, 180, 181, .34);
    background: rgba(132, 163, 164, .14);
    box-shadow: inset 0 0 24px rgba(151, 180, 181, .06);
}

body.view-2d .detail-kicker {
    color: var(--flat-muted);
}

/* ==========================================================================
   Scene Container & Canvas
   ========================================================================== */
.scene-wrap {
    position: absolute;
    inset: 0;
    overflow: hidden;
}

#webgl-canvas {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    touch-action: none;
    display: block;
    z-index: 1;
}

/* Screen-Space Leader Guides & Interactive Callout Badges */
#labels {
    position: absolute;
    inset: 0;
    pointer-events: none;
    overflow: hidden;
    z-index: 6;
}

.label-guides {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
}

.label-guides path {
    fill: none;
    stroke-width: 1.5;
    stroke-linecap: round;
    stroke-linejoin: round;
    transition: opacity 0.2s ease;
}

.callout-badges {
    position: absolute;
    inset: 0;
    pointer-events: none;
}

.label.component.callout {
    position: absolute;
    transform: translate(-50%, -50%);
    pointer-events: auto;
    cursor: pointer;
    border-radius: 999px;
    padding: 5px 12px;
    font-family: var(--font-mono);
    font-size: 10px;
    font-weight: 700;
    color: #fff;
    background: rgba(9, 20, 34, 0.88);
    border: 1px solid var(--line);
    backdrop-filter: blur(14px);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
    transition: transform 0.18s ease, border-color 0.18s ease, background 0.18s ease, box-shadow 0.18s ease;
    display: inline-flex;
    align-items: center;
    gap: 7px;
    white-space: nowrap;
}

.label.component.callout i {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    display: inline-block;
}

.label.component.callout:hover {
    transform: translate(-50%, -50%) scale(1.08);
    border-color: var(--cyan);
    background: rgba(14, 31, 50, 0.96);
    box-shadow: 0 0 16px rgba(34, 213, 247, 0.45);
}

.label.component.callout.active {
    border-color: var(--cyan);
    background: rgba(34, 213, 247, 0.22);
    box-shadow: 0 0 20px rgba(34, 213, 247, 0.6);
}

/* ==========================================================================
   Header Bar (Polymetis / Attention Lab Style)
   ========================================================================== */
.topbar {
    position: absolute;
    z-index: 12;
    inset: 0 0 auto;
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 24px;
    align-items: center;
    min-height: 82px;
    padding: 16px clamp(18px, 3vw, 44px);
    pointer-events: none;
    background: linear-gradient(180deg, rgba(5, 10, 18, .96), rgba(5, 10, 18, .46), transparent);
}

.eyebrow {
    display: flex;
    align-items: center;
    gap: 9px;
    margin-bottom: 5px;
    color: var(--cyan);
    font: 760 9px/1.2 var(--font-mono);
    letter-spacing: .14em;
    text-transform: uppercase;
}

.eyebrow::before {
    content: "";
    width: 22px;
    height: 1px;
    background: currentColor;
    box-shadow: 0 0 12px currentColor;
}

h1 {
    margin: 0;
    font-size: clamp(22px, 2.8vw, 38px);
    line-height: 1;
    letter-spacing: -.04em;
    font-weight: 800;
}

h1 span {
    color: var(--muted);
    font-weight: 430;
}

.top-actions {
    display: flex;
    align-items: center;
    gap: 10px;
    pointer-events: auto;
}

.view-toggle {
    display: inline-flex;
    align-items: center;
    gap: 2px;
    min-height: 38px;
    padding: 3px;
    border: 1px solid var(--line);
    border-radius: 999px;
    background: rgba(9, 20, 33, .72);
    backdrop-filter: blur(16px);
}

.view-toggle button {
    min-width: 34px;
    height: 30px;
    padding: 0 10px;
    border: 1px solid transparent;
    border-radius: 999px;
    background: transparent;
    color: var(--muted);
    font: 800 10px/1 var(--font-mono);
    letter-spacing: .04em;
    cursor: pointer;
    transition: all 0.15s ease;
}

.view-toggle button:hover {
    color: var(--ink);
    background: rgba(141, 169, 171, .12);
}

.view-toggle button.active {
    color: var(--flat-ink);
    border-color: rgba(151, 180, 181, .34);
    background: rgba(132, 163, 164, .20);
    box-shadow: inset 0 0 14px rgba(151, 180, 181, .08);
}

.status, .round-button {
    min-height: 38px;
    border: 1px solid var(--line);
    border-radius: 999px;
    background: rgba(9, 20, 33, .72);
    backdrop-filter: blur(16px);
    color: var(--ink);
}

.status {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 0 13px;
    color: var(--muted);
    font: 700 9px/1 var(--font-mono);
    letter-spacing: .06em;
}

.status i {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--amber);
    box-shadow: 0 0 12px currentColor;
}

.status.ready i {
    background: var(--green);
}

.round-button {
    padding: 0 14px;
    font-size: 11px;
    font-weight: 780;
    cursor: pointer;
    transition: all 0.2s ease;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.round-button:hover {
    border-color: var(--line-strong);
    background: rgba(18, 39, 61, .86);
    color: #fff;
    box-shadow: 0 0 14px rgba(34, 213, 247, 0.25);
}

.quick-select-box {
    display: flex;
    align-items: center;
}

.quick-module-select {
    background: rgba(9, 20, 33, 0.85);
    color: var(--cyan);
    border: 1px solid var(--line);
    border-radius: 999px;
    padding: 8px 30px 8px 14px;
    font-family: var(--font-mono);
    font-size: 10px;
    font-weight: 600;
    letter-spacing: 0.2px;
    cursor: pointer;
    outline: none;
    transition: all 0.2s ease;
    appearance: none;
    -webkit-appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6' viewBox='0 0 10 6'%3E%3Cpath fill='%2322d5f7' d='M0 0l5 6 5-6z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    max-width: 220px;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.quick-module-select:hover, .quick-module-select:focus {
    border-color: var(--cyan);
    box-shadow: 0 0 14px rgba(34, 213, 247, 0.35);
}

.quick-module-select optgroup {
    background: #08101a;
    color: #94a3b8;
    font-weight: 700;
    font-size: 10px;
}

.quick-module-select option {
    background: #060d16;
    color: #f1f5f9;
    font-weight: 400;
    font-size: 10px;
}

/* ==========================================================================
   Mechanism Navigation Bar
   ========================================================================== */
.mechanism-nav {
    position: absolute;
    z-index: 13;
    top: 91px;
    left: 50%;
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    width: min(920px, calc(100vw - 40px));
    padding: 5px;
    transform: translateX(-50%);
    border: 1px solid var(--line);
    border-radius: 18px;
    background: rgba(8, 18, 30, .76);
    backdrop-filter: blur(22px);
    box-shadow: 0 12px 50px rgba(0,0,0,.24), inset 0 1px 0 rgba(255,255,255,.05);
}

.mechanism-button {
    min-width: 0;
    height: 43px;
    padding: 0 10px;
    overflow: hidden;
    border: 1px solid transparent;
    border-radius: 13px;
    background: transparent;
    color: var(--muted);
    text-align: left;
    cursor: pointer;
    transition: all 0.2s ease;
}

.mechanism-button b {
    display: block;
    color: var(--ink);
    font-size: 12px;
    line-height: 1.15;
}

.mechanism-button small {
    display: block;
    margin-top: 3px;
    overflow: hidden;
    font: 650 8px/1 var(--font-mono);
    white-space: nowrap;
    text-overflow: ellipsis;
}

.mechanism-button:hover {
    border-color: var(--line);
    background: rgba(16, 35, 55, .62);
}

.mechanism-button.active {
    border-color: color-mix(in srgb, var(--cyan) 45%, transparent);
    background: color-mix(in srgb, var(--cyan) 15%, rgba(16, 35, 55, .80));
    box-shadow: inset 0 0 24px color-mix(in srgb, var(--cyan) 8%, transparent);
}

.mechanism-button.active small {
    color: var(--cyan);
}

/* ==========================================================================
   Floating Detail Card (Left)
   ========================================================================== */
.detail-card {
    position: absolute;
    z-index: 9;
    top: 162px;
    left: clamp(16px, 2.7vw, 40px);
    width: min(286px, 26vw);
    padding: 18px 19px;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: linear-gradient(145deg, rgba(15, 33, 53, .92), rgba(8, 18, 31, .75));
    backdrop-filter: blur(20px);
    box-shadow: var(--shadow), inset 0 1px 0 rgba(255,255,255,.05);
    pointer-events: auto;
}

.detail-kicker {
    color: var(--cyan);
    font: 800 9px/1.3 var(--font-mono);
    letter-spacing: .10em;
    text-transform: uppercase;
}

.detail-card h2 {
    margin: 8px 0 7px;
    font-size: 20px;
    line-height: 1.1;
    font-weight: 800;
}

.detail-card p {
    min-height: 54px;
    margin: 0;
    color: var(--muted);
    font-size: 11px;
    line-height: 1.55;
}

.fact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 7px;
    margin-top: 12px;
}

.fact {
    min-width: 0;
    padding: 8px;
    border: 1px solid var(--line);
    border-radius: 10px;
    background: rgba(3, 10, 18, .34);
}

.fact small {
    display: block;
    color: var(--muted);
    font: 650 8px/1.25 var(--font-mono);
    text-transform: uppercase;
}

.fact strong {
    display: block;
    margin-top: 3px;
    overflow: hidden;
    color: var(--ink);
    font: 770 10px/1.25 var(--font-mono);
    white-space: nowrap;
    text-overflow: ellipsis;
}

.detail-inspect-btn {
    width: 100%;
    margin-top: 12px;
    padding: 8px 10px;
    background: rgba(34, 213, 247, 0.12);
    border: 1px solid rgba(34, 213, 247, 0.35);
    border-radius: 9px;
    color: var(--cyan);
    font-family: var(--font-mono);
    font-size: 10px;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.2s ease;
}

.detail-inspect-btn:hover {
    background: rgba(34, 213, 247, 0.22);
    border-color: var(--cyan);
    box-shadow: 0 0 12px rgba(34, 213, 247, 0.3);
}

/* ==========================================================================
   Floating Compare Card (Right)
   ========================================================================== */
.compare-card {
    position: absolute;
    z-index: 9;
    top: 162px;
    right: clamp(16px, 2.7vw, 40px);
    width: min(238px, 22vw);
    overflow: hidden;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: rgba(8, 18, 30, .74);
    backdrop-filter: blur(20px);
    box-shadow: var(--shadow), inset 0 1px 0 rgba(255,255,255,.05);
    pointer-events: auto;
}

.compare-head {
    padding: 12px 14px;
    border-bottom: 1px solid var(--line);
    color: var(--muted);
    font: 760 8px/1.2 var(--font-mono);
    letter-spacing: .09em;
    text-transform: uppercase;
}

.compare-row {
    display: grid;
    grid-template-columns: 82px 1fr;
    gap: 9px;
    padding: 9px 14px;
    border-bottom: 1px solid var(--line);
    font-size: 10px;
}

.compare-row:last-child {
    border-bottom: 0;
}

.compare-row span {
    color: var(--muted);
}

.compare-row strong {
    overflow: hidden;
    font-weight: 760;
    text-align: right;
    white-space: nowrap;
    text-overflow: ellipsis;
    font-family: var(--font-mono);
}

/* ==========================================================================
   Floating Control Dock (Bottom)
   ========================================================================== */
.control-dock {
    position: absolute;
    z-index: 14;
    inset: auto 50% max(17px, env(safe-area-inset-bottom));
    width: min(820px, calc(100vw - 38px));
    display: grid;
    grid-template-columns: auto auto minmax(180px, 1fr) auto;
    gap: 11px;
    align-items: center;
    padding: 10px 14px;
    transform: translateX(-50%);
    border: 1px solid var(--line-strong);
    border-radius: 19px;
    background: rgba(8, 18, 30, .84);
    backdrop-filter: blur(24px);
    box-shadow: var(--shadow), inset 0 1px 0 rgba(255,255,255,.07);
}

.primary, .secondary {
    height: 41px;
    border: 1px solid var(--line);
    border-radius: 12px;
    font-weight: 820;
    cursor: pointer;
    transition: all 0.2s ease;
}

.primary {
    min-width: 78px;
    border-color: transparent;
    background: var(--cyan);
    color: #03121a;
}

.secondary {
    min-width: 43px;
    padding: 0 14px;
    background: rgba(20, 39, 58, .74);
    color: var(--ink);
}

.primary:hover {
    filter: brightness(1.12);
    box-shadow: 0 0 16px rgba(34, 213, 247, 0.4);
}

.secondary:hover {
    border-color: var(--line-strong);
    background: rgba(27, 52, 77, 0.85);
}

.timeline {
    display: grid;
    grid-template-columns: auto minmax(0, 1fr) auto;
    gap: 9px;
    align-items: center;
}

.timecode {
    color: var(--muted);
    font: 700 9px/1 var(--font-mono);
    font-variant-numeric: tabular-nums;
    white-space: nowrap;
}

input[type="range"] {
    width: 100%;
    accent-color: var(--cyan);
    cursor: ew-resize;
}

.speed {
    height: 41px;
    padding: 0 24px 0 10px;
    border: 1px solid var(--line);
    border-radius: 12px;
    background: rgba(20, 39, 58, .74);
    color: var(--ink);
    font-size: 10px;
    font-weight: 760;
    font-family: var(--font-mono);
    cursor: pointer;
}

/* ==========================================================================
   Viewport Legend
   ========================================================================== */
.legend {
    position: absolute;
    z-index: 8;
    left: clamp(16px, 2.7vw, 40px);
    bottom: 95px;
    display: flex;
    flex-wrap: wrap;
    gap: 8px 14px;
    max-width: 520px;
    color: var(--muted);
    font-size: 9px;
    pointer-events: none;
    font-family: var(--font-mono);
}

.legend span {
    display: flex;
    align-items: center;
    gap: 6px;
}

.legend i {
    width: 14px;
    height: 3px;
    border-radius: 99px;
}
    position: absolute;
    inset: 56px 0 0 0;
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    pointer-events: none;
    z-index: 5;
}

.view-panel {
    padding: 24px 32px;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.panel-tag {
    font-family: var(--font-mono);
    font-size: 10px;
    letter-spacing: 1.5px;
    color: var(--text-faint);
    margin-bottom: 6px;
}

.panel-title {
    font-size: 20px;
    font-weight: 600;
    letter-spacing: -0.3px;
    color: var(--text-primary);
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.6);
    margin-bottom: 12px;
}

.legend-items {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.legend-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: rgba(11, 18, 30, 0.75);
    border: 1px solid var(--panel-border);
    border-radius: 12px;
    padding: 4px 10px;
    font-size: 11px;
    font-family: var(--font-mono);
    color: var(--text-muted);
    backdrop-filter: blur(8px);
}

.badge-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
}

.legend-badge.dense .badge-dot { background-color: var(--col-dense); }
.legend-badge.svd .badge-dot { background-color: var(--col-svd); box-shadow: 0 0 8px var(--col-svd); }
.legend-badge.moe .badge-dot { background-color: var(--col-moe); box-shadow: 0 0 8px var(--col-moe); }
.legend-badge.mla .badge-dot { background-color: var(--col-mla); box-shadow: 0 0 8px var(--col-mla); }

.center-divider {
    position: relative;
    width: 1px;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.divider-line {
    position: absolute;
    top: 0;
    bottom: 0;
    width: 1px;
    background: linear-gradient(to bottom, transparent, var(--panel-border) 15%, var(--panel-border) 85%, transparent);
}

.divider-badge {
    background: #0f1929;
    border: 1px solid var(--line);
    color: var(--text-faint);
    font-family: var(--font-mono);
    font-size: 10px;
    padding: 3px 6px;
    border-radius: 4px;
    z-index: 2;
}

/* ==========================================================================
   Tooltips & Inspector Drawer
   ========================================================================== */
.tooltip {
    position: absolute;
    background: rgba(9, 16, 26, 0.96);
    border: 1px solid var(--col-svd);
    padding: 12px 16px;
    border-radius: 8px;
    color: var(--text-primary);
    font-size: 12px;
    pointer-events: none;
    z-index: 100;
    transform: translate(-50%, -125%);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.7), 0 0 15px rgba(83, 236, 217, 0.15);
    backdrop-filter: blur(12px);
    transition: opacity 0.15s ease-out;
    line-height: 1.5;
}

.tooltip.hidden {
    opacity: 0;
    pointer-events: none;
}

.tooltip strong {
    color: var(--col-svd);
    font-size: 13px;
    display: block;
    margin-bottom: 4px;
}

.inspector-drawer {
    position: absolute;
    top: 68px;
    right: 20px;
    width: 360px;
    max-height: calc(100vh - 88px);
    overflow-y: auto;
    background: rgba(10, 17, 28, 0.95);
    border: 1px solid var(--panel-border);
    border-radius: 10px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(18px);
    z-index: 25;
    transition: transform 0.25s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.25s ease;
    scrollbar-width: thin;
}

.inspector-drawer.hidden {
    transform: translateX(400px);
    opacity: 0;
    pointer-events: none;
}

.drawer-header {
    padding: 16px 20px;
    border-bottom: 1px solid var(--panel-border);
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
}

.drawer-header h3 {
    font-size: 15px;
    font-weight: 600;
    color: #fff;
    margin-top: 5px;
}

.badge {
    font-family: var(--font-mono);
    font-size: 9px;
    letter-spacing: 1px;
    padding: 2px 6px;
    border-radius: 4px;
    background: #172d47;
    color: var(--col-svd);
}

.btn-icon-only {
    background: none;
    border: none;
    color: var(--text-faint);
    font-size: 16px;
    padding: 4px;
}

.btn-icon-only:hover {
    color: #fff;
}

.drawer-body {
    padding: 18px 20px;
}

.stat-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
    margin-bottom: 18px;
}

.stat-cell {
    background: #070d16;
    border: 1px solid var(--panel-border);
    border-radius: 6px;
    padding: 10px;
}

.stat-cell small {
    display: block;
    font-family: var(--font-mono);
    font-size: 9px;
    color: var(--text-faint);
    margin-bottom: 4px;
}

.stat-cell strong {
    font-family: var(--font-mono);
    font-size: 13px;
    color: #b9dcff;
}

.drawer-section h4 {
    font-size: 11px;
    font-family: var(--font-mono);
    letter-spacing: 0.5px;
    color: var(--text-faint);
    margin-bottom: 8px;
    text-transform: uppercase;
}

.drawer-section p {
    font-size: 12px;
    line-height: 1.6;
    color: var(--text-muted);
}

.educational-callout {
    margin-top: 14px;
    padding: 10px 12px;
    background: rgba(83, 236, 217, 0.06);
    border-left: 2px solid var(--col-svd);
    border-radius: 0 4px 4px 0;
    font-size: 11px;
    color: #92e0d5;
    line-height: 1.5;
}

/* ==========================================================================
   Hierarchical Layer Tree & Search
   ========================================================================== */
.tree-search-wrapper {
    position: relative;
    display: flex;
    align-items: center;
    margin-bottom: 8px;
}

.tree-search-input {
    width: 100%;
    background: #070d16;
    color: var(--text-primary);
    border: 1px solid var(--panel-border);
    border-radius: 6px;
    padding: 7px 28px 7px 10px;
    font-family: var(--font-mono);
    font-size: 11px;
    outline: none;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.tree-search-input:focus {
    border-color: var(--col-svd);
    box-shadow: 0 0 10px rgba(83, 236, 217, 0.2);
}

.btn-clear-search {
    position: absolute;
    right: 8px;
    background: none;
    border: none;
    color: var(--text-faint);
    font-size: 11px;
    cursor: pointer;
    padding: 2px 4px;
}

.btn-clear-search:hover {
    color: #fff;
}

.layer-tree-container {
    max-height: 220px;
    overflow-y: auto;
    overflow-x: hidden;
    background: #050912;
    border: 1px solid var(--panel-border);
    border-radius: 6px;
    padding: 6px;
    font-family: var(--font-mono);
    font-size: 11px;
    scrollbar-width: thin;
    scrollbar-color: #1a2f47 #050912;
}

.layer-tree-container::-webkit-scrollbar {
    width: 5px;
}

.layer-tree-container::-webkit-scrollbar-thumb {
    background: #1a2f47;
    border-radius: 3px;
}

.tree-model-root {
    margin-bottom: 4px;
}

.tree-model-header {
    display: flex;
    align-items: center;
    gap: 6px;
    font-weight: 700;
    color: #b0d4f6;
    padding: 4px 6px;
    border-radius: 4px;
    cursor: pointer;
    background: rgba(255, 255, 255, 0.03);
}

.tree-layer-node {
    margin-left: 6px;
    margin-top: 3px;
    border-left: 1px solid rgba(255, 255, 255, 0.07);
    padding-left: 6px;
}

.tree-layer-header {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 4px 6px;
    border-radius: 4px;
    color: var(--text-primary);
    cursor: pointer;
    transition: background 0.15s;
    user-select: none;
}

.tree-layer-header:hover {
    background: rgba(255, 255, 255, 0.05);
}

.tree-chevron {
    font-size: 9px;
    transition: transform 0.2s;
    display: inline-block;
    color: var(--text-faint);
}

.tree-layer-node.open > .tree-layer-header .tree-chevron {
    transform: rotate(90deg);
}

.tree-layer-content {
    display: none;
    margin-left: 10px;
    padding-left: 6px;
    border-left: 1px dashed rgba(255, 255, 255, 0.05);
}

.tree-layer-node.open > .tree-layer-content {
    display: block;
}

.tree-stream-group {
    margin-top: 4px;
    margin-bottom: 4px;
}

.tree-stream-label {
    font-size: 9px;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    color: var(--text-faint);
    padding: 2px 4px;
    margin-bottom: 2px;
}

.tree-leaf {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 4px 6px;
    margin-bottom: 2px;
    border-radius: 4px;
    color: var(--text-muted);
    cursor: pointer;
    transition: all 0.15s;
}

.tree-leaf:hover {
    background: rgba(83, 236, 217, 0.08);
    color: #fff;
}

.tree-leaf.active {
    background: rgba(83, 236, 217, 0.18);
    color: var(--col-svd);
    font-weight: 600;
    box-shadow: 0 0 8px rgba(83, 236, 217, 0.15);
}

.tree-leaf .leaf-name {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    max-width: 200px;
}

.tree-leaf .leaf-badge {
    font-size: 9px;
    padding: 1px 4px;
    border-radius: 3px;
    background: #0f1c2d;
    color: var(--text-faint);
}

.tree-leaf.type-svd .leaf-badge {
    color: var(--col-svd);
    background: rgba(83, 236, 217, 0.12);
}

.tree-leaf.type-dense .leaf-badge {
    color: #93b2cc;
    background: rgba(60, 93, 115, 0.2);
}

/* ==========================================================================
   Comparison Card & HUD
   ========================================================================== */
.comparison-card {
    background: #070e1a;
    border: 1px solid #192d47;
    border-radius: 6px;
    padding: 12px;
    margin-top: 12px;
}

.comp-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-family: var(--font-mono);
    font-size: 10px;
    color: var(--text-faint);
    margin-bottom: 8px;
    letter-spacing: 0.5px;
}

.badge-savings {
    background: rgba(83, 236, 217, 0.15);
    color: var(--col-svd);
    border: 1px solid rgba(83, 236, 217, 0.3);
    font-weight: 600;
}

.comp-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 11px;
    padding: 4px 0;
    border-bottom: 1px dashed rgba(255, 255, 255, 0.05);
}

.comp-row:last-child {
    border-bottom: none;
}

.comp-label {
    color: var(--text-muted);
}

.comp-val {
    font-family: var(--font-mono);
    font-weight: 600;
    color: #eaf1fa;
}

/* Persistent Bottom-Right Architecture HUD */
.comparison-hud {
    position: absolute;
    bottom: 20px;
    right: 24px;
    background: rgba(8, 14, 24, 0.92);
    border: 1px solid var(--panel-border);
    border-radius: 8px;
    padding: 10px 14px;
    backdrop-filter: blur(14px);
    z-index: 20;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.5);
    font-family: var(--font-mono);
    min-width: 260px;
    pointer-events: auto;
}

.hud-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 8px;
    padding-bottom: 6px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.hud-title {
    font-size: 10px;
    letter-spacing: 1px;
    color: var(--text-faint);
}

.hud-badge {
    font-size: 9px;
    background: #172d47;
    color: #b9dcff;
    padding: 2px 6px;
    border-radius: 3px;
    font-weight: 600;
}

.hud-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px 14px;
}

.hud-item {
    display: flex;
    flex-direction: column;
}

.hud-label {
    font-size: 9px;
    color: var(--text-faint);
    margin-bottom: 2px;
}

.hud-val {
    font-size: 12px;
    font-weight: 600;
    color: var(--text-primary);
}

.hud-val.highlight {
    color: var(--col-svd);
}

/* ==========================================================================
   Module Library Modal (240 Modules Explorer)
   ========================================================================== */
.btn-catalog {
    background: linear-gradient(135deg, #0284c7, #0369a1);
    border: 1px solid #38bdf8;
    color: #fff;
    font-weight: 600;
}

.comp-tab-all {
    background: rgba(56, 189, 248, 0.12);
    border: 1px dashed rgba(56, 189, 248, 0.4);
    color: #38bdf8;
}

.comp-tab-all:hover {
    background: rgba(56, 189, 248, 0.25);
    color: #fff;
}

.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(4, 8, 16, 0.85);
    backdrop-filter: blur(16px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 100;
    transition: opacity 0.25s ease;
}

.modal-overlay.hidden {
    opacity: 0;
    pointer-events: none;
}

.modal-container {
    width: 92vw;
    max-width: 1050px;
    max-height: 86vh;
    background: #070d18;
    border: 1px solid var(--panel-border);
    border-radius: 12px;
    box-shadow: 0 16px 60px rgba(0, 0, 0, 0.8);
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.modal-header {
    padding: 18px 24px;
    border-bottom: 1px solid var(--panel-border);
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    background: rgba(13, 23, 38, 0.6);
}

.modal-header h2 {
    font-size: 17px;
    font-weight: 700;
    color: #fff;
    margin-top: 4px;
}

.modal-subtitle {
    font-size: 11px;
    color: var(--text-muted);
    margin-top: 4px;
}

.modal-close {
    font-size: 18px;
    cursor: pointer;
}

.modal-search-row {
    padding: 14px 24px 10px 24px;
    background: #080f1c;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.modal-search-input {
    width: 100%;
    background: #050a12;
    border: 1px solid var(--panel-border);
    border-radius: 8px;
    padding: 9px 14px;
    color: var(--text-primary);
    font-family: var(--font-sans);
    font-size: 12px;
    outline: none;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.modal-search-input:focus {
    border-color: #38bdf8;
    box-shadow: 0 0 12px rgba(56, 189, 248, 0.25);
}

.modal-category-pills {
    display: flex;
    gap: 6px;
    overflow-x: auto;
    padding-bottom: 4px;
    scrollbar-width: none;
}

.modal-category-pills::-webkit-scrollbar {
    display: none;
}

.cat-pill {
    background: #0e1a2b;
    border: 1px solid var(--panel-border);
    color: var(--text-muted);
    font-family: var(--font-mono);
    font-size: 10px;
    padding: 4px 10px;
    border-radius: 20px;
    cursor: pointer;
    white-space: nowrap;
    transition: all 0.15s;
}

.cat-pill:hover {
    color: #fff;
    border-color: #38bdf8;
}

.cat-pill.active {
    background: #0284c7;
    border-color: #38bdf8;
    color: #fff;
    font-weight: 600;
}

.modal-module-grid {
    padding: 18px 24px;
    overflow-y: auto;
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 12px;
    scrollbar-width: thin;
    scrollbar-color: #172d47 #070d18;
}

.module-card {
    background: #091220;
    border: 1px solid var(--panel-border);
    border-radius: 8px;
    padding: 14px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    transition: all 0.2s ease;
    cursor: pointer;
}

.module-card:hover {
    border-color: var(--col-svd);
    background: #0c182a;
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.4);
}

.card-top {
    margin-bottom: 8px;
}

.card-badge-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 6px;
}

.card-category {
    font-family: var(--font-mono);
    font-size: 9px;
    color: #38bdf8;
    background: rgba(56, 189, 248, 0.12);
    padding: 2px 6px;
    border-radius: 4px;
}

.card-type {
    font-size: 9px;
    color: var(--text-faint);
    font-family: var(--font-mono);
}

.card-title {
    font-size: 13px;
    font-weight: 600;
    color: #fff;
    line-height: 1.35;
    margin-bottom: 4px;
}

.card-desc {
    font-size: 11px;
    color: var(--text-muted);
    line-height: 1.5;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.card-math {
    background: rgba(0, 0, 0, 0.4);
    border-left: 2px solid var(--col-svd);
    padding: 4px 8px;
    font-family: var(--font-mono);
    font-size: 10px;
    color: #93e3d6;
    margin-top: 8px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.card-bottom {
    margin-top: 12px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 8px;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.card-file {
    font-family: var(--font-mono);
    font-size: 9px;
    color: var(--text-faint);
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 170px;
    white-space: nowrap;
}

.btn-apply-module {
    background: #172d47;
    border: 1px solid #2f5077;
    color: #b9ddff;
    font-size: 10px;
    font-weight: 600;
    padding: 4px 10px;
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.15s;
}

.btn-apply-module:hover {
    background: var(--col-svd);
    color: #060a12;
    border-color: var(--col-svd);
}

/* ==========================================================================
   4-Model Cross-Benchmark Matrix
   ========================================================================== */
.models-matrix-section {
    margin-top: 14px;
    background: rgba(10, 18, 28, 0.7);
    border: 1px solid rgba(83, 236, 217, 0.2);
    border-radius: 8px;
    padding: 10px;
}

.matrix-title-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 8px;
}

.matrix-title-row h4 {
    margin: 0;
    font-size: 11px;
    color: #53ecd9;
    letter-spacing: 0.5px;
    font-weight: 700;
}

.matrix-subtitle {
    font-size: 9px;
    color: var(--text-muted);
    font-family: var(--font-mono);
}

.models-matrix-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 6px;
}

.model-matrix-card {
    background: rgba(6, 12, 20, 0.85);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 6px;
    padding: 8px;
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.model-matrix-card:hover {
    border-color: rgba(83, 236, 217, 0.5);
    background: rgba(13, 26, 42, 0.9);
    transform: translateY(-1px);
}

.model-matrix-card.active {
    border-color: #53ecd9;
    background: linear-gradient(135deg, rgba(83, 236, 217, 0.15), rgba(15, 30, 48, 0.9));
    box-shadow: 0 0 10px rgba(83, 236, 217, 0.25) inset;
}

.mmc-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.mmc-name {
    font-weight: 700;
    font-size: 11px;
    color: #f1f5f9;
}

.mmc-ratio-badge {
    background: rgba(83, 236, 217, 0.2);
    color: #53ecd9;
    font-family: var(--font-mono);
    font-size: 10px;
    font-weight: 700;
    padding: 1px 5px;
    border-radius: 4px;
}

.mmc-spec {
    font-size: 9px;
    color: var(--text-faint);
    font-family: var(--font-mono);
}

.mmc-stats {
    display: flex;
    justify-content: space-between;
    font-size: 9px;
    font-family: var(--font-mono);
    color: var(--text-muted);
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    padding-top: 4px;
    margin-top: 2px;
}

.mmc-stats b {
    color: #cbd5e1;
}

.mmc-saved {
    color: #5eead4;
    font-weight: 600;
}

.mmc-benchmark-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 4px;
    font-size: 8.5px;
    font-family: var(--font-mono);
    border-top: 1px dashed rgba(255, 255, 255, 0.08);
    padding-top: 4px;
    margin-top: 2px;
}

.mmc-bench-badge {
    padding: 1px 4px;
    border-radius: 3px;
    font-weight: 700;
    font-size: 8px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.mmc-bench-badge.status-pass {
    background: rgba(16, 185, 129, 0.22);
    color: #34d399;
    border: 1px solid rgba(16, 185, 129, 0.4);
}

.mmc-bench-badge.status-pass-low {
    background: rgba(245, 158, 11, 0.22);
    color: #fbbf24;
    border: 1px solid rgba(245, 158, 11, 0.4);
}

.mmc-bench-badge.status-skip {
    background: rgba(148, 163, 184, 0.15);
    color: #94a3b8;
    border: 1px solid rgba(148, 163, 184, 0.3);
}

.mmc-bench-acc {
    color: #f1f5f9;
}

.mmc-bench-acc b {
    color: #53ecd9;
}

.mmc-bench-metric {
    color: var(--text-faint);
}

.mmc-bench-metric b {
    color: #cbd5e1;
}

/* ==========================================================================
   Token State Lifecycle & Step-by-Step Additions Tracker
   ========================================================================== */
.token-lifecycle-section {
    margin-top: 12px;
    background: rgba(10, 18, 28, 0.75);
    border: 1px solid rgba(16, 185, 129, 0.3);
    border-radius: 8px;
    padding: 10px;
}

.lifecycle-subtitle {
    font-size: 9px;
    color: var(--text-muted);
    margin-top: 2px;
    margin-bottom: 8px;
}

.lifecycle-steps-list {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.lifecycle-step-item {
    display: flex;
    flex-direction: column;
    gap: 4px;
    background: rgba(6, 12, 20, 0.75);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: 6px;
    padding: 7px 10px;
    transition: all 0.15s ease;
    cursor: pointer;
}

.lifecycle-step-item:hover {
    background: rgba(14, 28, 44, 0.9);
    border-color: rgba(52, 211, 153, 0.4);
}

.lifecycle-step-item.active-highlight {
    background: rgba(12, 38, 32, 0.95) !important;
    border-color: #34d399 !important;
    box-shadow: 0 0 14px rgba(52, 211, 153, 0.4), inset 0 0 8px rgba(52, 211, 153, 0.2) !important;
    transform: translateX(4px);
}

.lsi-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 6px;
}

.lsi-title-group {
    display: flex;
    align-items: center;
    gap: 6px;
}

.lsi-num {
    font-size: 8.5px;
    font-weight: 700;
    font-family: var(--font-mono);
    color: #64748b;
    background: rgba(255, 255, 255, 0.05);
    padding: 1px 5px;
    border-radius: 3px;
}

.lsi-title {
    font-size: 11px;
    font-weight: 700;
    color: #f1f5f9;
}

.lsi-badge {
    font-size: 8px;
    font-weight: 700;
    font-family: var(--font-mono);
    text-transform: uppercase;
    padding: 1px 5px;
    border-radius: 3px;
    letter-spacing: 0.5px;
}

.lsi-flow {
    display: flex;
    align-items: center;
    gap: 4px;
    font-size: 9px;
    font-family: var(--font-mono);
    flex-wrap: wrap;
    background: rgba(2, 6, 12, 0.5);
    padding: 3px 6px;
    border-radius: 4px;
    border: 1px solid rgba(255, 255, 255, 0.03);
}

.lsi-in {
    color: #94a3b8;
}

.lsi-arrow {
    color: #475569;
}

.lsi-added {
    color: #f59e0b;
    font-weight: 700;
    background: rgba(245, 158, 11, 0.15);
    padding: 0 4px;
    border-radius: 3px;
    border: 1px solid rgba(245, 158, 11, 0.3);
}

.lsi-out {
    color: #34d399;
    font-weight: 600;
}

.lsi-math {
    font-size: 10px;
    color: #38bdf8;
    overflow-x: auto;
    padding-top: 2px;
}

/* ==========================================================================
   Component Architecture Pipeline
   ========================================================================== */
.component-pipeline-section {
    margin-top: 12px;
    background: rgba(10, 18, 28, 0.7);
    border: 1px solid rgba(83, 236, 217, 0.2);
    border-radius: 8px;
    padding: 10px;
}

.component-pipeline-list {
    display: flex;
    flex-direction: column;
    gap: 5px;
    margin-top: 8px;
}

.component-pipe-item {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    background: rgba(6, 12, 20, 0.7);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 6px;
    padding: 7px 10px;
    transition: all 0.15s ease;
    gap: 8px;
}

.component-pipe-item:hover {
    background: rgba(14, 28, 44, 0.9);
    border-color: rgba(83, 236, 217, 0.4);
    cursor: pointer;
}

.component-pipe-item.active-highlight {
    background: rgba(16, 44, 58, 0.95) !important;
    border-color: #53ecd9 !important;
    box-shadow: 0 0 14px rgba(83, 236, 217, 0.45), inset 0 0 8px rgba(83, 236, 217, 0.2) !important;
    transform: translateX(4px);
}

.component-pipe-item.active-highlight .cpi-name {
    color: #53ecd9 !important;
    font-weight: 700;
}

.cpi-left {
    display: flex;
    align-items: flex-start;
    gap: 8px;
    flex: 1;
    min-width: 0;
}

.cpi-swatch {
    width: 10px;
    height: 10px;
    border-radius: 3px;
    flex-shrink: 0;
    margin-top: 3px;
}

.cpi-info {
    display: flex;
    flex-direction: column;
    gap: 2px;
    flex: 1;
    min-width: 0;
}

.cpi-name-row {
    display: flex;
    align-items: center;
    gap: 6px;
    flex-wrap: wrap;
}

.cpi-name {
    font-size: 11px;
    font-weight: 700;
    color: #f1f5f9;
}

.cpi-path-tag {
    font-size: 8.5px;
    font-family: var(--font-mono);
    color: #94a3b8;
    background: rgba(255, 255, 255, 0.06);
    padding: 1px 5px;
    border-radius: 3px;
    border: 1px solid rgba(255, 255, 255, 0.08);
}

.cpi-role {
    font-size: 9.5px;
    color: var(--text-muted);
}

.cpi-math-preview {
    font-size: 10.5px;
    color: #38bdf8;
    margin-top: 2px;
    overflow-x: auto;
    max-width: 100%;
}

.cpi-right {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 4px;
    flex-shrink: 0;
}

.cpi-shape {
    font-family: var(--font-mono);
    font-size: 9px;
    font-weight: 600;
    color: #53ecd9;
    background: rgba(83, 236, 217, 0.1);
    padding: 2px 6px;
    border-radius: 4px;
    white-space: nowrap;
}

.cpi-params {
    font-family: var(--font-mono);
    font-size: 8.5px;
    color: var(--text-faint);
}

/* ==========================================================================
   LaTeX Mathematical Formulation Card
   ========================================================================== */
.latex-formula-card {
    margin-top: 12px;
    background: rgba(8, 14, 24, 0.85);
    border: 1px solid rgba(56, 189, 248, 0.3);
    border-radius: 8px;
    padding: 10px;
}

.formula-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 6px;
}

.formula-header span {
    font-size: 10px;
    font-weight: 700;
    color: #38bdf8;
    letter-spacing: 0.5px;
}

.formula-latex-body {
    background: rgba(0, 0, 0, 0.4);
    border-left: 3px solid #38bdf8;
    padding: 8px 12px;
    font-family: var(--font-mono);
    font-size: 11px;
    color: #7dd3fc;
    line-height: 1.5;
    word-break: break-word;
    border-radius: 0 4px 4px 0;
}

/* ==========================================================================
   Architectural Transformation Card (Before vs After)
   ========================================================================== */
.transformation-card {
    margin-top: 12px;
    background: rgba(10, 20, 32, 0.9);
    border: 1px solid rgba(83, 236, 217, 0.35);
    border-radius: 8px;
    padding: 10px;
}

.transformation-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 8px;
}

.tf-title {
    font-size: 10px;
    font-weight: 700;
    color: #53ecd9;
    letter-spacing: 0.5px;
}

.tf-diagram {
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: rgba(0, 0, 0, 0.4);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: 6px;
    padding: 8px 10px;
    margin-bottom: 8px;
    overflow-x: auto;
    gap: 6px;
}

.tf-step {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 5px;
    padding: 5px 8px;
    min-width: 75px;
    flex-shrink: 0;
    cursor: pointer;
    user-select: none;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

.tf-step:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(83, 236, 217, 0.25);
    border-color: rgba(83, 236, 217, 0.6);
}

.tf-step.dense {
    border-color: rgba(56, 189, 248, 0.4);
    background: rgba(56, 189, 248, 0.08);
}

.tf-step.compressed {
    border-color: rgba(83, 236, 217, 0.5);
    background: rgba(83, 236, 217, 0.12);
}

.tf-step.step-active-glow {
    border-color: #53ecd9 !important;
    background: rgba(83, 236, 217, 0.25) !important;
    box-shadow: 0 0 16px rgba(83, 236, 217, 0.6), inset 0 0 10px rgba(83, 236, 217, 0.25) !important;
    transform: scale(1.06);
}

.tf-step-name {
    font-size: 10px;
    font-weight: 700;
    color: #f1f5f9;
}

.tf-step-shape {
    font-family: var(--font-mono);
    font-size: 9px;
    color: #53ecd9;
    margin-top: 2px;
}

.tf-step-param {
    font-size: 8px;
    color: var(--text-faint);
    font-family: var(--font-mono);
}

.tf-arrow {
    color: #94a3b8;
    font-size: 11px;
    font-weight: 700;
    flex-shrink: 0;
}

.tf-comparison-table {
    width: 100%;
    font-size: 10px;
    border-collapse: collapse;
    margin-top: 6px;
}

.tf-comparison-table th {
    text-align: left;
    color: var(--text-muted);
    font-size: 8.5px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    padding: 3px 6px;
}

.tf-comparison-table td {
    padding: 3px 6px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.03);
    color: #cbd5e1;
    font-family: var(--font-mono);
    font-size: 9.5px;
}

.tf-comparison-table td.highlight {
    color: #53ecd9;
    font-weight: 700;
}

.tf-explanation {
    font-size: 10px;
    line-height: 1.45;
    color: #94a3b8;
    background: rgba(0, 0, 0, 0.25);
    border-radius: 4px;
    padding: 6px 8px;
    margin-top: 6px;
}

/* ==========================================================================
   Responsive Breakpoints (Attention Lab SOTA)
   ========================================================================== */
@media (max-width: 1100px) {
    .detail-card { width: 240px; padding: 14px; }
    .compare-card { width: 210px; }
}

@media (max-width: 900px) {
    .mechanism-nav { top: 84px; width: calc(100vw - 24px); }
    .mechanism-button b { font-size: 11px; }
    .mechanism-button small { display: none; }
    .detail-card { display: none; }
    .compare-card { display: none; }
}

@media (max-width: 700px) {
    .topbar { min-height: 70px; padding: 12px 14px; gap: 8px; }
    h1 { font-size: 18px; }
    .eyebrow { font-size: 7px; }
    .status { display: none; }
    .view-toggle button { min-width: 28px; height: 26px; padding: 0 6px; font-size: 8px; }
    .control-dock { width: calc(100vw - 18px); padding: 7px; }
}


/* Pipeline Connectors */
.component-pipeline-list {
    position: relative;
    padding-left: 20px;
}

.component-pipeline-list::before {
    content: '';
    position: absolute;
    top: 15px;
    bottom: 25px;
    left: 8px;
    width: 2px;
    background: linear-gradient(to bottom, #10b981, #38bdf8, #8b5cf6, #f43f5e);
    opacity: 0.5;
    z-index: 1;
}

.component-pipe-item {
    position: relative;
    z-index: 2;
    margin-left: 15px;
}

.component-pipe-item::before {
    content: '';
    position: absolute;
    left: -27px;
    top: 50%;
    width: 12px;
    height: 12px;
    background: var(--bg-surface);
    border: 2px solid var(--cpi-color, #2dd4bf);
    border-radius: 50%;
    transform: translateY(-50%);
    z-index: 3;
    transition: all 0.3s ease;
}

.component-pipe-item.active-highlight::before {
    background: var(--cpi-color, #53ecd9);
    box-shadow: 0 0 10px var(--cpi-color, #53ecd9);
    transform: translateY(-50%) scale(1.3);
}

.component-pipe-item::after {
    content: '';
    position: absolute;
    left: -21px;
    top: 50%;
    width: 21px;
    height: 2px;
    background: rgba(255, 255, 255, 0.2);
    z-index: 1;
}

.component-pipe-item:hover::after {
    background: var(--cpi-color, #53ecd9);
}
\n
/* Parallel Pipeline Grouping */
.pipeline-parallel-group {
    display: flex;
    flex-direction: column;
    gap: 4px;
    margin-left: 20px; /* Indent branches */
    padding-left: 15px;
    position: relative;
    border-left: 2px dashed rgba(83, 236, 217, 0.4);
    margin-top: 4px;
    margin-bottom: 4px;
}

.pipeline-parallel-group::before {
    content: 'Branching Dataflow';
    position: absolute;
    top: -12px;
    left: 4px;
    font-size: 8px;
    color: var(--amber);
    letter-spacing: 0.5px;
    background: var(--bg-surface);
    padding: 0 4px;
}

.pipeline-parallel-group .component-pipe-item {
    margin-left: 0;
}

.pipeline-parallel-group .component-pipe-item::after {
    left: -17px;
    width: 17px;
}
.pipeline-parallel-group .component-pipe-item::before {
    left: -23px;
}