/*
 * Tension v1 — Architectural Wireframe Minimal design tokens
 *
 * Monochromatic paper palette, hairline dividers, sharp corners, zero shadows.
 * Source: stitch_modern_cyberpunk / architectural_wireframe_minimal (DESIGN.md + mockups).
 */

@font-face {
  font-family: "JetBrains Mono";
  src: url("../fonts/JetBrainsMono-Regular.woff2") format("woff2");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "JetBrains Mono";
  src: url("../fonts/JetBrainsMono-Italic.woff2") format("woff2");
  font-weight: 400;
  font-style: italic;
  font-display: swap;
}

@font-face {
  font-family: "JetBrains Mono";
  src: url("../fonts/JetBrainsMono-Bold.woff2") format("woff2");
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "Bricolage Grotesque";
  src: url("../fonts/BricolageGrotesque-latin.woff2") format("woff2");
  font-weight: 600 800;
  font-style: normal;
  font-display: swap;
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

@font-face {
  font-family: "Bricolage Grotesque";
  src: url("../fonts/BricolageGrotesque-latin-ext.woff2") format("woff2");
  font-weight: 600 800;
  font-style: normal;
  font-display: swap;
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}

@font-face {
  font-family: "Material Symbols Outlined";
  src: url("../fonts/MaterialSymbolsOutlined.woff2") format("woff2");
  font-weight: 100 700;
  font-style: normal;
  font-display: block;
  font-variation-settings: 'FILL' 0, 'wght' 400, 'GRAD' 0, 'opsz' 24;
}

:root {
  /* ---- Paper surfaces (monochrome, from M3 surfaces in mockups) ---- */
  --lc-background: #f9f9fc;
  --lc-surface: #f9f9fc;
  --lc-surface-bright: #f9f9fc;
  --lc-surface-dim: #dadadd;
  --lc-surface-container-lowest: #ffffff;
  --lc-surface-container-low: #f3f3f6;
  --lc-surface-container: #eeedf0;
  --lc-surface-container-high: #e8e8eb;
  --lc-surface-container-highest: #e2e2e5;
  --lc-surface-variant: #e2e2e5;

  /* ---- Ink & typography hierarchy (monochrome) ---- */
  --lc-on-background: #1a1c1e;
  --lc-on-surface: #1a1c1e;
  --lc-on-surface-variant: #47464b;
  --lc-text-primary: #1a1c1e;
  --lc-text-secondary: #71717a;
  --lc-text-muted: #a1a1aa;
  --lc-inverse-surface: #2f3033;
  --lc-inverse-on-surface: #f0f0f3;

  /* ---- Interactive rules ---- */
  --lc-primary: #18181b;
  --lc-on-primary: #ffffff;
  --lc-primary-container: #1b1b1e;
  --lc-on-primary-container: #858387;
  --lc-inverse-primary: #c8c5ca;
  --lc-secondary: #5d5e66;
  --lc-outline: #77767b;
  --lc-outline-variant: #e4e4e7;
  --lc-border-divider: #e4e4e7;
  --lc-border-divider-soft: #f4f4f5;

  /* ---- Error (rarely used but standard) ---- */
  --lc-error: #ba1a1a;
  --lc-on-error: #ffffff;
  --lc-error-container: #ffdad6;
  --lc-on-error-container: #93000a;

  /* ---- Status chips (project states) ---- */
  --lc-status-running: #16a34a;
  --lc-status-developing: #ea580c;
  --lc-status-paused: #64748b;

  /* ---- GitHub heatmap — light (github.com contribution graph) ---- */
  --lc-github-cell-l0: #ebedf0;
  --lc-github-cell-l1: #9be9a8;
  --lc-github-cell-l2: #40c463;
  --lc-github-cell-l3: #30a14e;
  --lc-github-cell-l4: #216e39;

  /* ---- Typography: Kai body, sans UI, display latin + CJK ---- */
  --lc-font-display: "Bricolage Grotesque", "MiSans", "PingFang SC", "Microsoft YaHei UI", "Noto Sans SC", ui-sans-serif, system-ui, sans-serif;
  --lc-font-body: "LXGW WenKai", "MiSans", "PingFang SC", "Microsoft YaHei UI", "Noto Sans SC", ui-sans-serif, system-ui, sans-serif;
  --lc-font-ui: "MiSans", "PingFang SC", "Microsoft YaHei UI", "Noto Sans SC", ui-sans-serif, system-ui, sans-serif;
  --lc-font-mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  --lc-font-heading: var(--lc-font-display);
  --lc-font-prose: var(--lc-font-body);
  --lc-font-caption: var(--lc-font-mono);

  /* ---- Type scale (architectural wireframe) ---- */
  --lc-text-display-lg: clamp(2.5rem, 5vw, 3rem);
  --lc-text-display: clamp(2.5rem, 5vw, 3rem);
  --lc-text-headline-lg: 2.25rem;
  --lc-text-headline-md: 1.5rem;
  --lc-text-headline-sm: 1.125rem;
  --lc-text-body-lg: 1.0625rem;
  --lc-text-body-md: 0.9375rem;
  --lc-text-body-sm: 0.8125rem;
  --lc-text-label-md: 0.75rem;
  --lc-text-caption: 0.6875rem;
  --lc-text-caption-sm: 0.6875rem;

  /* ---- Spacing units (unit-*) adapted to the wireframe rhythm ---- */
  --lc-unit-2xs: 0.125rem;
  --lc-unit-xs: 0.25rem;
  --lc-unit-sm: 0.5rem;
  --lc-unit-md: 1rem;
  --lc-unit-lg: 1.5rem;
  --lc-unit-xl: 2rem;
  --lc-unit-2xl: 3rem;
  --lc-unit-3xl: 4rem;
  --lc-unit-4xl: 6rem;

  /* ---- Grid / layout ---- */
  --lc-container-max: 72rem;
  --lc-prose-max: 44rem;
  --lc-gutter-desktop: 1.5rem;
  --lc-gutter-mobile: 1rem;

  /* ---- Sharp geometry: radius 0 across the system ---- */
  --lc-radius: 0px;
  --lc-radius-card: 0px;
  --lc-radius-element: 0px;
  --lc-radius-pill: 0px;

  /* ---- Zero elevation: no shadows anywhere ---- */
  --lc-shadow-card: none;
  --lc-shadow-card-hover: none;
  --lc-shadow-soft: none;

  /* ---- Nav ---- */
  --lc-navbar-h: 64px;
  --lc-nav-bg: rgba(249, 249, 252, 0.92);
  --lc-nav-border: #e4e4e7;

  /* ---- Code / terminal (single-post code blocks) — dark on both schemes
     so Prismatic's dark prism token colors always sit on a dark base. ---- */
  --lc-terminal-bg: #1a1a1e;
  --lc-terminal-header: #222226;
  --lc-terminal-border: #3f3f46;
  --lc-terminal-text: #e4e4e7;
  --lc-terminal-title: #a1a1aa;
  --lc-terminal-dot-red: #ff5f57;
  --lc-terminal-dot-yellow: #febc2e;
  --lc-terminal-dot-green: #28c840;

  /* ---- Overlay (lightbox / dialog) ---- */
  --lc-overlay: rgba(26, 28, 30, 0.88);
  --lc-overlay-muted: rgba(26, 28, 30, 0.55);

  /* ---- Motion ---- */
  --lc-transition: 0.15s ease;
  --lc-ease-out: cubic-bezier(0.215, 0.61, 0.355, 1);
}

html[data-lc-color-scheme="dark"] {
  --lc-background: #131316;
  --lc-surface: #131316;
  --lc-surface-bright: #1a1a1e;
  --lc-surface-dim: #3f3f46;
  --lc-surface-container-lowest: #0e0e11;
  --lc-surface-container-low: #1a1a1e;
  --lc-surface-container: #222226;
  --lc-surface-container-high: #2a2a2e;
  --lc-surface-container-highest: #333338;
  --lc-surface-variant: #333338;

  --lc-on-background: #e4e4e7;
  --lc-on-surface: #e4e4e7;
  --lc-on-surface-variant: #a1a1aa;
  --lc-text-primary: #e4e4e7;
  --lc-text-secondary: #a1a1aa;
  --lc-text-muted: #71717a;
  --lc-inverse-surface: #f0f0f3;
  --lc-inverse-on-surface: #1a1c1e;

  --lc-primary: #e4e4e7;
  --lc-on-primary: #131316;
  --lc-primary-container: #2a2a2e;
  --lc-on-primary-container: #a1a1aa;
  --lc-inverse-primary: #3f3f46;
  --lc-secondary: #a1a1aa;
  --lc-outline: #71717a;
  --lc-outline-variant: #3f3f46;
  --lc-border-divider: #3f3f46;
  --lc-border-divider-soft: #2a2a2e;

  --lc-error: #ff8a80;
  --lc-on-error: #131316;
  --lc-error-container: #3f1d1d;
  --lc-on-error-container: #ffdad6;

  --lc-status-running: #4ade80;
  --lc-status-developing: #fb923c;
  --lc-status-paused: #94a3b8;

  --lc-github-cell-l0: #2a2a2e;
  --lc-github-cell-l1: #1b5c32;
  --lc-github-cell-l2: #157a3c;
  --lc-github-cell-l3: #26a641;
  --lc-github-cell-l4: #39d353;

  --lc-nav-bg: rgba(19, 19, 22, 0.92);
  --lc-nav-border: #3f3f46;

  --lc-terminal-bg: #1a1a1e;
  --lc-terminal-header: #222226;
  --lc-terminal-border: #3f3f46;
  --lc-terminal-text: #e4e4e7;
  --lc-terminal-title: #a1a1aa;

  --lc-overlay: rgba(0, 0, 0, 0.88);
  --lc-overlay-muted: rgba(0, 0, 0, 0.62);
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

html.lc-theme-transitioning,
html.lc-theme-transitioning *,
html.lc-theme-transitioning *::before,
html.lc-theme-transitioning *::after {
  transition: background-color 0.3s ease, color 0.3s ease, border-color 0.3s ease !important;
}