/* ==========================================================================
   OpenCrawling — Interactive Zero-Trust Data Provider Agent Diagram (Issue #203)
   Shared component styles across index.html, mcp.html, and blog posts
   ========================================================================== */

@property --zt-fade-start {
  syntax: "<length>";
  inherits: false;
  initial-value: 0px;
}

@property --zt-fade-end {
  syntax: "<length>";
  inherits: false;
  initial-value: 0px;
}

.zt-diagram-root {
    --zt-bg: light-dark(#f8fafc, #070b14);
    --zt-surface: light-dark(#ffffff, #0f172a);
    --zt-surface-muted: light-dark(#f1f5f9, #111827);
    --zt-node-bg: light-dark(#ffffff, #151e32);
    --zt-node-hover-bg: light-dark(#f8fafc, #1a253d);
    --zt-pill-bg: light-dark(#f1f5f9, #1e293b);
    --zt-border: light-dark(#cbd5e1, #334155);
    --zt-border-subtle: light-dark(#e2e8f0, #1e293b);
    --zt-shadow: light-dark(
      0 12px 32px -12px rgba(15, 23, 42, 0.08),
      0 20px 44px -16px rgba(0, 0, 0, 0.55)
    );

    --zt-text: light-dark(#0f172a, #f1f5f9);
    --zt-text-secondary: light-dark(#475569, #94a3b8);
    --zt-text-muted: light-dark(#475569, #94a3b8);
    --zt-focus-ring: light-dark(#4f46e5, #38bdf8);

    /* Flow badge fills (all >= 4.5:1 with #ffffff numeral) */
    --zt-f1-badge: #0f766e;
    --zt-f2-badge: #b45309;
    --zt-f3-badge: #1d4ed8;
    --zt-f4-badge: #6d28d9;
    --zt-fe-badge: #c2410c;

    /* Flow wire / ink accents */
    --zt-f1: light-dark(#0f766e, #2dd4bf);
    --zt-f1-soft: light-dark(rgba(15, 118, 110, 0.1), rgba(45, 212, 191, 0.14));
    --zt-f2: light-dark(#b45309, #fbbf24);
    --zt-f2-soft: light-dark(#fffbeb, rgba(251, 191, 36, 0.1));
    --zt-f3: light-dark(#1d4ed8, #60a5fa);
    --zt-f3-soft: light-dark(rgba(29, 78, 216, 0.1), rgba(96, 165, 250, 0.14));
    --zt-f4: light-dark(#6d28d9, #a78bfa);
    --zt-f4-soft: light-dark(rgba(109, 40, 217, 0.1), rgba(167, 139, 250, 0.14));
    --zt-fe: light-dark(#c2410c, #fb923c);
    --zt-fe-soft: light-dark(rgba(194, 65, 12, 0.1), rgba(251, 146, 60, 0.14));

    /* Zero-trust checkpoint & danger tokens */
    --zt-danger: light-dark(#b91c1c, #f87171);
    --zt-danger-bar: light-dark(#b91c1c, #dc2626);
    --zt-danger-soft: light-dark(#fef2f2, rgba(239, 68, 68, 0.13));
    --zt-danger-border: light-dark(#fecaca, rgba(248, 113, 113, 0.4));

    /* Gate status colors */
    --zt-approved: light-dark(#047857, #34d399);
    --zt-approved-bg: light-dark(#ecfdf5, rgba(16, 185, 129, 0.12));
    --zt-approved-border: light-dark(#a7f3d0, rgba(52, 211, 153, 0.35));

    --zt-sanitized: light-dark(#0f766e, #2dd4bf);
    --zt-sanitized-bg: light-dark(#f0fdfa, rgba(20, 184, 166, 0.12));
    --zt-sanitized-border: light-dark(#99f6e4, rgba(45, 212, 191, 0.35));

    position: relative;
    color: var(--zt-text);
    font-family: var(--font-body, "Space Grotesk", system-ui, sans-serif);
    text-align: left;
  }

  .zt-shell {
    background: var(--zt-bg);
    border: 1px solid var(--zt-border-subtle);
    border-radius: 16px;
    padding: clamp(1.25rem, 2.5vw, 2rem);
    box-shadow: var(--zt-shadow);
  }

  /* Header block matching reference layout */
  .zt-header {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    margin-bottom: 1.25rem;
  }

  .zt-diagram-root .zt-eyebrow {
    margin: 0;
    font-family: var(--font-mono, "Fira Code", monospace);
    font-size: 0.72rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--zt-text-secondary);
  }

  .zt-diagram-root .zt-header .zt-title,
  html.light .zt-diagram-root .zt-header .zt-title,
  html.dark .zt-diagram-root .zt-header .zt-title {
    margin: 0;
    font-family: var(--font-heading, "Outfit", system-ui, sans-serif);
    font-size: clamp(1.65rem, 3vw, 2.25rem);
    font-weight: 800;
    line-height: 1.15;
    letter-spacing: -0.02em;
    color: var(--zt-text);
  }

  .zt-diagram-root .zt-lead,
  .zt-diagram-root .zt-sublead {
    margin: 0;
    max-width: 72ch;
    font-size: 0.96rem;
    line-height: 1.55;
    color: var(--zt-text-secondary);
  }

  .zt-diagram-root .zt-sublead {
    font-size: 0.9rem;
  }

  /* Filter Toolbar + Motion Control */
  .zt-controls-bar {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
    margin: 0.25rem 0;
  }

  .zt-toolbar {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.5rem;
  }

  .zt-filter-btn,
  .zt-motion-btn,
  .zt-clear-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    min-inline-size: 24px;
    min-block-size: 36px;
    padding: 0.4rem 0.85rem;
    border-radius: 999px;
    border: 1px solid var(--zt-border);
    background: var(--zt-surface);
    color: var(--zt-text);
    font-family: var(--font-body, "Space Grotesk", system-ui, sans-serif);
    font-size: 0.84rem;
    font-weight: 600;
    line-height: 1.2;
    cursor: pointer;
    user-select: none;
  }

  @media (pointer: coarse) {
    .zt-filter-btn,
    .zt-motion-btn,
    .zt-clear-btn {
      min-block-size: 44px;
      padding: 0.5rem 0.95rem;
    }
  }

  @media (prefers-reduced-motion: no-preference) {
    .zt-filter-btn,
    .zt-motion-btn,
    .zt-clear-btn {
      transition:
        background-color 150ms ease,
        border-color 150ms ease,
        color 150ms ease,
        box-shadow 150ms ease,
        transform 120ms ease;
    }
  }

  @media (hover: hover) {
    .zt-filter-btn:hover,
    .zt-motion-btn:hover,
    .zt-clear-btn:hover {
      border-color: var(--zt-text-secondary);
      background: var(--zt-surface-muted);
    }
  }

  .zt-filter-btn:focus-visible,
  .zt-motion-btn:focus-visible,
  .zt-clear-btn:focus-visible {
    outline: 2px solid var(--zt-focus-ring);
    outline-offset: 2px;
  }

  /* State driven directly from ARIA pressed attribute */
  .zt-filter-btn[aria-pressed="true"] {
    background: light-dark(#0f172a, #f1f5f9);
    color: light-dark(#ffffff, #0f172a);
    border-color: transparent;
    box-shadow: 0 2px 10px rgba(15, 23, 42, 0.16);
  }

  .zt-filter-btn[data-flow="1"][aria-pressed="true"] {
    background: var(--zt-f1-badge);
    color: #ffffff;
  }

  .zt-filter-btn[data-flow="2"][aria-pressed="true"] {
    background: var(--zt-f2-badge);
    color: #ffffff;
  }

  .zt-filter-btn[data-flow="3"][aria-pressed="true"] {
    background: var(--zt-f3-badge);
    color: #ffffff;
  }

  .zt-filter-btn[data-flow="4"][aria-pressed="true"] {
    background: var(--zt-f4-badge);
    color: #ffffff;
  }

  .zt-filter-btn[data-flow="E"][aria-pressed="true"] {
    background: var(--zt-fe-badge);
    color: #ffffff;
  }

  .zt-pill-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 1.3rem;
    height: 1.3rem;
    border-radius: 999px;
    font-family: var(--font-mono, "Fira Code", monospace);
    font-size: 0.72rem;
    font-weight: 700;
    color: #ffffff;
    background: #334155;
    flex-shrink: 0;
  }

  .zt-pill-badge[data-badge="all"] {
    background: light-dark(#334155, #475569);
  }

  .zt-pill-badge[data-badge="1"] {
    background: var(--zt-f1-badge);
  }

  .zt-pill-badge[data-badge="2"] {
    background: var(--zt-f2-badge);
  }

  .zt-pill-badge[data-badge="3"] {
    background: var(--zt-f3-badge);
  }

  .zt-pill-badge[data-badge="4"] {
    background: var(--zt-f4-badge);
  }

  .zt-pill-badge[data-badge="E"] {
    background: var(--zt-fe-badge);
  }

  .zt-filter-btn[aria-pressed="true"] .zt-pill-badge {
    background: rgba(255, 255, 255, 0.22);
    color: inherit;
  }

  .zt-motion-btn {
    font-size: 0.8rem;
    color: var(--zt-text-secondary);
  }

  .zt-motion-dot {
    width: 0.5rem;
    height: 0.5rem;
    border-radius: 999px;
    background: var(--zt-approved);
  }

  .zt-diagram-root[data-motion="paused"] .zt-motion-dot {
    background: var(--zt-text-muted);
  }

  /* Diagram Card + Focus-safe Scroll Affordance Frame */
  .zt-canvas-card {
    background: var(--zt-surface);
    border: 1px solid var(--zt-border-subtle);
    border-radius: 14px;
    overflow: hidden;
    box-shadow: 0 2px 12px rgba(15, 23, 42, 0.04);
  }

  .zt-canvas-focus-wrap {
    position: relative;
    border-radius: 14px 14px 0 0;
  }

  .zt-canvas-focus-wrap:has(.zt-canvas-scroller:focus-visible) {
    outline: 2px solid var(--zt-focus-ring);
    outline-offset: -2px;
  }

  .zt-canvas-scroller {
    position: relative;
    overflow-x: auto;
    overflow-y: hidden;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: thin;
    padding: 0.85rem 0.85rem 0.5rem;
  }

  .zt-canvas-scroller:focus-visible {
    outline: none;
  }

  /* Scrollability affordance hints (edge fades driven by scroll timeline, plus IO fallback) */
  @keyframes zt-scroll-fades {
    0% {
      --zt-fade-start: 0px;
      --zt-fade-end: 28px;
    }
    4%,
    96% {
      --zt-fade-start: 28px;
      --zt-fade-end: 28px;
    }
    100% {
      --zt-fade-start: 28px;
      --zt-fade-end: 0px;
    }
  }

  @supports (animation-timeline: scroll(self inline)) {
    .zt-canvas-scroller {
      mask-image: linear-gradient(
        to right,
        transparent,
        #000 var(--zt-fade-start),
        #000 calc(100% - var(--zt-fade-end)),
        transparent
      );
      animation: zt-scroll-fades linear both;
      animation-timeline: scroll(self inline);
    }
  }

  @supports not (animation-timeline: scroll(self inline)) {
    .zt-canvas-scroller {
      mask-image: linear-gradient(
        to right,
        transparent,
        #000 var(--zt-fade-start),
        #000 calc(100% - var(--zt-fade-end)),
        transparent
      );
    }
    .zt-canvas-scroller.more-start {
      --zt-fade-start: 24px;
    }
    .zt-canvas-scroller.more-end {
      --zt-fade-end: 24px;
    }
  }

  .zt-scroll-stage {
    position: relative;
    display: flex;
    align-items: stretch;
    min-width: 980px;
  }

  .zt-scroll-sentinel {
    position: relative;
    flex: 0 0 1px;
    width: 1px;
    pointer-events: none;
  }

  .zt-svg {
    display: block;
    width: 100%;
    min-width: 980px;
    height: auto;
    font-family: var(--font-body, "Space Grotesk", system-ui, sans-serif);
    user-select: none;
  }

  /* SVG Structural & Text Primitives */
  .zt-zone-bg {
    fill: var(--zt-surface-muted);
    stroke: var(--zt-border-subtle);
    stroke-width: 1.25;
  }

  .zt-boundary-frame {
    fill: var(--zt-surface);
    stroke: var(--zt-danger);
    stroke-width: 1.5;
    stroke-dasharray: 6 4;
  }

  .zt-zone-label {
    fill: var(--zt-text-secondary);
    font-family: var(--font-mono, "Fira Code", monospace);
    font-size: 10.5px;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
  }

  .zt-zone-label-danger {
    fill: var(--zt-danger);
  }

  .zt-box-rect {
    fill: var(--zt-node-bg);
    stroke: var(--zt-border);
    stroke-width: 1.25;
  }

  .zt-box-group-bg {
    fill: var(--zt-surface);
    stroke: var(--zt-border);
    stroke-width: 1.1;
  }

  .zt-gate-rect {
    fill: var(--zt-f2-soft);
    stroke: var(--zt-f2);
    stroke-width: 1.4;
  }

  .zt-gate-card-approved {
    fill: var(--zt-approved-bg);
    stroke: var(--zt-approved-border);
    stroke-width: 1;
  }

  .zt-gate-card-sanitized {
    fill: var(--zt-sanitized-bg);
    stroke: var(--zt-sanitized-border);
    stroke-width: 1;
  }

  .zt-gate-card-rejected {
    fill: var(--zt-danger-soft);
    stroke: var(--zt-danger-border);
    stroke-width: 1;
  }

  .zt-pill-rect {
    fill: var(--zt-pill-bg);
    stroke: var(--zt-border);
    stroke-width: 1;
  }

  .zt-checkpoint-bar {
    fill: var(--zt-danger-bar);
  }

  .zt-node-title {
    fill: var(--zt-text);
    font-family: var(--font-heading, "Outfit", system-ui, sans-serif);
    font-size: 12.5px;
    font-weight: 700;
  }

  .zt-node-sub {
    fill: var(--zt-text-secondary);
    font-size: 10.2px;
    font-weight: 500;
  }

  .zt-node-mono {
    fill: var(--zt-text-secondary);
    font-family: var(--font-mono, "Fira Code", monospace);
    font-size: 9.8px;
    font-weight: 500;
  }

  .zt-wire-label {
    fill: var(--zt-text-secondary);
    font-size: 9.6px;
    font-weight: 600;
  }

  .zt-wire-label-strong {
    fill: var(--zt-text);
    font-size: 10px;
    font-weight: 700;
  }

  .zt-status-tag-approved {
    fill: var(--zt-approved);
    font-family: var(--font-mono, "Fira Code", monospace);
    font-size: 9.2px;
    font-weight: 700;
  }

  .zt-status-tag-sanitized {
    fill: var(--zt-sanitized);
    font-family: var(--font-mono, "Fira Code", monospace);
    font-size: 9.2px;
    font-weight: 700;
  }

  .zt-status-tag-rejected {
    fill: var(--zt-danger);
    font-family: var(--font-mono, "Fira Code", monospace);
    font-size: 9.2px;
    font-weight: 700;
  }

  /* Wires by flow */
  .zt-wire {
    fill: none;
    stroke-width: 1.75;
    stroke-linecap: round;
    stroke-linejoin: round;
  }

  .zt-wire-neutral {
    stroke: var(--zt-text-secondary);
    stroke-width: 1.4;
  }

  .zt-wire-dashed {
    stroke: var(--zt-text-muted);
    stroke-width: 1.4;
    stroke-dasharray: 4 3;
  }

  .zt-wire-f1 {
    stroke: var(--zt-f1);
  }

  .zt-wire-f2 {
    stroke: var(--zt-f2);
  }

  .zt-wire-f3 {
    stroke: var(--zt-f3);
  }

  .zt-wire-f4 {
    stroke: var(--zt-f4);
  }

  .zt-wire-fe {
    stroke: var(--zt-fe);
  }

  /* Subtle flow motion overlay on wires */
  .zt-wire-pulse {
    fill: none;
    stroke-width: 2.2;
    stroke-linecap: round;
    stroke-dasharray: 5 13;
    opacity: 0;
    pointer-events: none;
  }

  @keyframes zt-flow-dash {
    to {
      stroke-dashoffset: -36;
    }
  }

  @media (prefers-reduced-motion: no-preference) {
    .zt-diagram-root[data-motion="running"] .zt-wire-pulse {
      opacity: 0.9;
      animation: zt-flow-dash 1.35s linear infinite;
    }

    .zt-diagram-root[data-motion="running"] .zt-is-dimmed .zt-wire-pulse {
      opacity: 0.08;
      animation-play-state: paused;
    }
  }

  /* Interactive SVG hit targets */
  .zt-interactive {
    cursor: pointer;
    outline: none;
  }

  @media (prefers-reduced-motion: no-preference) {
    .zt-interactive,
    .zt-wire,
    .zt-loop-item {
      transition: opacity 180ms ease, filter 180ms ease;
    }
  }

  @media (hover: hover) {
    .zt-interactive:hover .zt-box-rect,
    .zt-interactive:hover .zt-gate-rect,
    .zt-interactive:hover .zt-pill-rect {
      fill: var(--zt-node-hover-bg);
      stroke-width: 1.75;
    }
  }

  .zt-interactive:focus-visible .zt-box-rect,
  .zt-interactive:focus-visible .zt-gate-rect,
  .zt-interactive:focus-visible .zt-pill-rect,
  .zt-interactive:focus-visible .zt-checkpoint-bar {
    stroke: var(--zt-focus-ring);
    stroke-width: 2.5;
  }

  .zt-interactive[data-selected="true"] .zt-box-rect,
  .zt-interactive[data-selected="true"] .zt-gate-rect,
  .zt-interactive[data-selected="true"] .zt-pill-rect {
    stroke: var(--zt-focus-ring);
    stroke-width: 2.4;
    filter: drop-shadow(0 0 8px rgba(56, 189, 248, 0.28));
  }

  .zt-interactive[data-selected="true"] .zt-loop-bg {
    fill: var(--zt-pill-bg);
    stroke: var(--zt-focus-ring);
    stroke-width: 1.5;
  }

  /* Dimming when a flow filter or node is active */
  .zt-is-dimmed {
    opacity: 0.2;
  }

  .zt-is-active {
    opacity: 1;
  }

  /* Interactive Inspector Bar inside card footer */
  .zt-inspector {
    display: flex;
    flex-wrap: wrap;
    align-items: flex-start;
    justify-content: space-between;
    gap: 0.75rem 1.25rem;
    padding: 0.8rem 1.15rem;
    background: var(--zt-surface-muted);
    border-top: 1px solid var(--zt-border-subtle);
    border-bottom: 1px solid var(--zt-border-subtle);
  }

  .zt-inspector-main {
    display: flex;
    flex-direction: column;
    gap: 0.28rem;
    flex: 1 1 320px;
  }

  .zt-inspector-header {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.5rem;
  }

  .zt-inspector-kicker {
    font-family: var(--font-mono, "Fira Code", monospace);
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: var(--zt-text-muted);
  }

  .zt-diagram-root .zt-inspector-title {
    margin: 0;
    font-family: var(--font-heading, "Outfit", system-ui, sans-serif);
    font-size: 0.98rem;
    font-weight: 700;
    color: var(--zt-text);
  }

  .zt-inspector-tags {
    display: inline-flex;
    flex-wrap: wrap;
    gap: 0.35rem;
  }

  .zt-inspector-tag {
    display: inline-flex;
    align-items: center;
    padding: 0.14rem 0.52rem;
    border-radius: 999px;
    font-family: var(--font-mono, "Fira Code", monospace);
    font-size: 0.7rem;
    font-weight: 600;
    color: #ffffff;
    background: #334155;
  }

  .zt-inspector-tag[data-flow="1"] {
    background: var(--zt-f1-badge);
  }

  .zt-inspector-tag[data-flow="2"] {
    background: var(--zt-f2-badge);
  }

  .zt-inspector-tag[data-flow="3"] {
    background: var(--zt-f3-badge);
  }

  .zt-inspector-tag[data-flow="4"] {
    background: var(--zt-f4-badge);
  }

  .zt-inspector-tag[data-flow="E"] {
    background: var(--zt-fe-badge);
  }

  .zt-inspector-tag[data-flow="checkpoint"] {
    background: var(--zt-danger-bar);
  }

  .zt-diagram-root .zt-inspector-desc {
    margin: 0;
    font-size: 0.875rem;
    line-height: 1.5;
    color: var(--zt-text-secondary);
  }

  .zt-diagram-root .zt-inspector-meta {
    margin: 0.15rem 0 0;
    font-family: var(--font-mono, "Fira Code", monospace);
    font-size: 0.76rem;
    color: var(--zt-text);
    background: var(--zt-surface);
    border: 1px solid var(--zt-border-subtle);
    border-radius: 6px;
    padding: 0.35rem 0.6rem;
    align-self: flex-start;
  }

  .zt-clear-btn {
    min-block-size: 32px;
    font-size: 0.78rem;
    padding: 0.3rem 0.75rem;
  }

  .zt-clear-btn[hidden] {
    display: none;
  }

  .zt-diagram-root .zt-caption {
    margin: 0;
    padding: 0.85rem 1.15rem 0.95rem;
    font-size: 0.85rem;
    line-height: 1.55;
    color: var(--zt-text-secondary);
    background: var(--zt-surface);
  }

  /* Bottom 2-column reference tables */
  .zt-tables-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1.15rem;
    margin-top: 1.15rem;
  }

  @media (max-width: 820px) {
    .zt-tables-grid {
      grid-template-columns: 1fr;
    }
  }

  .zt-table-card {
    background: var(--zt-surface);
    border: 1px solid var(--zt-border-subtle);
    border-radius: 14px;
    padding: 1.2rem 1.25rem;
    display: flex;
    flex-direction: column;
    gap: 0.45rem;
  }

  .zt-diagram-root .zt-table-heading {
    margin: 0;
    font-family: var(--font-heading, "Outfit", system-ui, sans-serif);
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--zt-text);
  }

  .zt-diagram-root .zt-table-desc {
    margin: 0 0 0.4rem;
    font-size: 0.87rem;
    line-height: 1.5;
    color: var(--zt-text-secondary);
  }

  .zt-table-wrapper {
    container-type: inline-size;
    overflow-x: auto;
  }

  .zt-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.84rem;
  }

  .zt-table th {
    padding: 0.5rem 0.6rem 0.55rem 0;
    text-align: left;
    font-family: var(--font-mono, "Fira Code", monospace);
    font-size: 0.72rem;
    font-weight: 600;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--zt-text-muted);
    border-bottom: 1px solid var(--zt-border);
  }

  .zt-table td,
  .zt-table tbody th[scope="row"] {
    padding: 0.65rem 0.6rem 0.65rem 0;
    vertical-align: top;
    border-bottom: 1px solid var(--zt-border-subtle);
    text-transform: none;
    letter-spacing: normal;
  }

  .zt-table tbody tr:last-child td,
  .zt-table tbody tr:last-child th[scope="row"] {
    border-bottom: none;
  }

  .zt-table tbody tr {
    cursor: pointer;
  }

  @media (hover: hover) {
    .zt-table tbody tr:hover {
      background: var(--zt-surface-muted);
    }
  }

  .zt-table tbody tr[data-selected="true"] {
    background: var(--zt-pill-bg);
  }

  .zt-table-code {
    font-family: var(--font-mono, "Fira Code", monospace);
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--zt-text);
    white-space: nowrap;
  }

  .zt-status-text-fail {
    font-family: var(--font-mono, "Fira Code", monospace);
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--zt-danger);
    white-space: nowrap;
  }

  .zt-status-text-approved {
    font-weight: 700;
    color: var(--zt-approved);
  }

  .zt-status-text-sanitized {
    font-weight: 700;
    color: var(--zt-sanitized);
  }

  .zt-status-text-rejected {
    font-weight: 700;
    color: var(--zt-danger);
  }

  .zt-table-row-dim {
    opacity: 0.38;
  }

  /* Stacked card layout when table container is narrow */
  @container (width < 410px) {
    .zt-table thead {
      position: absolute;
      width: 1px;
      height: 1px;
      overflow: hidden;
      clip-path: inset(50%);
    }

    .zt-table,
    .zt-table tbody,
    .zt-table tr,
    .zt-table td,
    .zt-table tbody th[scope="row"] {
      display: block;
      width: 100%;
    }

    .zt-table tbody tr {
      padding: 0.6rem 0.25rem;
      border-bottom: 1px solid var(--zt-border);
    }

    .zt-table td,
    .zt-table tbody th[scope="row"] {
      border-bottom: none;
      padding: 0.22rem 0;
    }

    .zt-table [data-col-label]::before {
      content: attr(data-col-label) ": ";
      font-family: var(--font-mono, "Fira Code", monospace);
      font-size: 0.7rem;
      font-weight: 600;
      text-transform: uppercase;
      letter-spacing: 0.05em;
      color: var(--zt-text-muted);
    }
  }

  /* Blog post wide embed helper without horizontal document overflow */
  .zt-blog-embed {
    margin: 1.75rem calc(50% - min(570px, 50vw - 1.25rem));
  }

  /* Index page section spacing */
  .agentic-arch-section {
    padding: 5.5rem 0;
    border-top: 1px solid var(--card-border, rgba(148, 163, 184, 0.14));
  }

  /* Compact mobile shell spacing */
  @media (max-width: 640px) {
    .zt-shell {
      padding: 0.9rem;
      border-radius: 12px;
    }

    .zt-canvas-scroller {
      padding: 0.55rem 0.5rem 0.4rem;
    }
  }

  /* Forced-colors accessibility fallback */
  @media (forced-colors: active) {
    .zt-shell,
    .zt-canvas-card,
    .zt-table-card,
    .zt-filter-btn,
    .zt-motion-btn,
    .zt-clear-btn {
      border: 1px solid CanvasText;
      background: Canvas;
      color: CanvasText;
    }

    .zt-filter-btn[aria-pressed="true"] {
      background: Highlight;
      color: HighlightText;
      border-color: Highlight;
    }

    .zt-canvas-scroller {
      mask-image: none;
    }

    .zt-box-rect,
    .zt-gate-rect,
    .zt-pill-rect,
    .zt-zone-bg,
    .zt-boundary-frame {
      fill: Canvas;
      stroke: CanvasText;
    }

    .zt-node-title,
    .zt-node-sub,
    .zt-node-mono,
    .zt-wire-label,
    .zt-wire-label-strong,
    .zt-zone-label {
      fill: CanvasText;
    }

    .zt-wire {
      stroke: CanvasText;
    }
  }