/* === Font Faces (bundled locally — no CDN) === */
@font-face {
  font-family: 'Bricolage Grotesque';
  src: url('assets/fonts/BricolageGrotesque-Variable.woff2') format('woff2');
  font-weight: 200 800;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'Geist';
  src: url('assets/fonts/Geist-Variable.woff2') format('woff2');
  font-weight: 100 900;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'Geist Mono';
  src: url('assets/fonts/GeistMono-Variable.woff2') format('woff2');
  font-weight: 100 900;
  font-style: normal;
  font-display: swap;
}

/* === Design Tokens (varunnidhi.com design language) ===
   :root holds the DARK theme (default). [data-theme="light"] overrides
   every themed value. Components reference tokens only — never raw hex.
   The active theme is set on <html> (Phase 2 wires the toggle). */
:root {
  color-scheme: dark;

  /* Surfaces (darkest → lightest) */
  --canvas: #0a0b0d;
  --surface: #131419;
  --surface-2: #1b1c22;

  /* Lines / borders */
  --line: rgba(255, 255, 255, 0.08);
  --line-strong: rgba(255, 255, 255, 0.16);

  /* Ink (text, three weights of presence) */
  --ink: #f4f4f5;
  --ink-muted: #9b9da6;
  --ink-faint: #61636c;

  /* Accent (the one spark) */
  --accent: #ff5d2e;
  --accent-soft: #ff8b66;

  /* Atmosphere */
  --grid-line: rgba(255, 255, 255, 0.035);
  --grain-opacity: 0.35;
  --grain-blend: overlay;

  /* Utility surfaces (themed) */
  --hover-bg: rgba(255, 255, 255, 0.055);
  --shadow-color: rgba(0, 0, 0, 0.45);
  --scrollbar-thumb: #2c2d34;
  --scrollbar-thumb-hover: #3c3d45;

  /* Derived from accent (auto-theme via --accent) */
  --accent-wash: color-mix(in srgb, var(--accent) 14%, transparent);
  --accent-ring: color-mix(in srgb, var(--accent) 30%, transparent);

  /* Status hues (constant — read acceptably in both themes) */
  --ok: #1f9d57;
  --warn: #c98a1e;
  --danger: #ef4444;

  /* On dark media / gradients (constant — hero art & lock glass) */
  --on-media: #ffffff;
  --media-shadow: rgba(0, 0, 0, 0.25);
  --lock-base: #000000;
  --lock-scrim: rgba(0, 0, 0, 0.55);
  --glass-1: rgba(255, 255, 255, 0.12);
  --glass-2: rgba(255, 255, 255, 0.15);
  --glass-3: rgba(255, 255, 255, 0.25);
  --glass-4: rgba(255, 255, 255, 0.35);
  --glass-border: rgba(255, 255, 255, 0.18);
  --on-dark-dim: rgba(255, 255, 255, 0.7);
  --on-dark-faint: rgba(255, 255, 255, 0.6);

  /* Type families */
  --font-display: 'Bricolage Grotesque', 'Geist', ui-sans-serif, sans-serif;
  --font-sans: 'Geist', ui-sans-serif, system-ui, sans-serif;
  --font-mono: 'Geist Mono', ui-monospace, monospace;

  /* Motion */
  --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
  --dur-fast: 0.2s;
  --dur-mid: 0.3s;
  --dur-reveal: 0.8s;

  /* Radii */
  --r-sm: 6px;
  --r-md: 8px;
  --r-lg: 12px;
  --r-xl: 16px;
  --r-pill: 999px;

  /* ---- Legacy semantic aliases → new tokens (migration bridge) ----
     These let the existing component rules theme correctly with zero
     churn; each resolves through the active theme's tokens. Phases 2–4
     progressively replace call-sites with the canonical tokens above. */
  --color-primary:        var(--accent);
  --color-primary-hover:  var(--accent-soft);
  --color-primary-light:  var(--accent-wash);
  --color-primary-subtle: var(--accent);
  --color-secondary:       var(--ink-muted);
  --color-secondary-light: color-mix(in srgb, var(--ink-muted) 16%, transparent);
  --color-accent:       var(--accent);
  --color-accent-light: var(--accent-wash);
  --color-bg-page:    var(--canvas);
  --color-bg-surface: var(--surface);
  --color-bg-sidebar: var(--surface-2);
  --color-text-primary:   var(--ink);
  --color-text-secondary: var(--ink-muted);
  --color-text-tertiary:  var(--ink-faint);
  --color-border: var(--line);
}

[data-theme="light"] {
  color-scheme: light;
  --canvas: #f4f3ef;        /* warm cream, not white */
  --surface: #ffffff;
  --surface-2: #eceae3;
  --line: rgba(20, 21, 24, 0.1);
  --line-strong: rgba(20, 21, 24, 0.2);
  --ink: #16171a;
  --ink-muted: #565860;
  --ink-faint: #8b8d95;
  --accent: #e8460f;        /* deeper for AA contrast on cream */
  --accent-soft: #c93c0d;
  --grid-line: rgba(20, 21, 24, 0.055);
  --grain-opacity: 0.22;
  --grain-blend: multiply;
  --hover-bg: rgba(20, 21, 24, 0.05);
  --shadow-color: rgba(20, 21, 24, 0.1);
  --scrollbar-thumb: #cdccc4;
  --scrollbar-thumb-hover: #b6b4aa;
}

/* === Reset & Base === */
*, *::before, *::after {
  box-sizing: border-box;
}
html {
  background-color: var(--canvas);
  scroll-behavior: smooth;
}
body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: 400;
  line-height: 1.6;
  color: var(--ink);
  background: transparent;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}
::selection { background: var(--accent); color: var(--canvas); }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

/* === Atmosphere — fixed decorative layers (behind all content) === */
.bg-grid {
  position: fixed; inset: 0; z-index: -1; pointer-events: none;
  background-image:
    linear-gradient(to right, var(--grid-line) 1px, transparent 1px),
    linear-gradient(to bottom, var(--grid-line) 1px, transparent 1px);
  background-size: 74px 74px;
  -webkit-mask-image: radial-gradient(ellipse 78% 56% at 50% -6%, #000 8%, transparent 80%);
  mask-image: radial-gradient(ellipse 78% 56% at 50% -6%, #000 8%, transparent 80%);
}
.bg-grain {
  position: fixed; inset: 0; z-index: -1; pointer-events: none;
  opacity: var(--grain-opacity); mix-blend-mode: var(--grain-blend);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 220 220'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.82' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.5'/%3E%3C/svg%3E");
}

/* === Motion primitives === */
@keyframes fade-rise { from { opacity: 0; transform: translateY(24px); } to { opacity: 1; transform: translateY(0); } }
.rise { opacity: 0; animation: fade-rise 0.9s var(--ease-out-expo) both; }

/* Scroll-reveal for grid/path cards — JS adds .reveal-init then .is-visible
   as each card enters the viewport (IntersectionObserver, threshold 0.12),
   staggered via inline transition-delay. If JS never runs, cards stay visible. */
.reveal-init {
  opacity: 0;
  transform: translateY(16px);
  transition:
    opacity var(--dur-reveal) var(--ease-out-expo),
    transform var(--dur-reveal) var(--ease-out-expo);
  will-change: opacity, transform;
}
.reveal-init.is-visible { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .rise { animation: none; opacity: 1; }
  .reveal-init { opacity: 1; transform: none; transition: none; }
}

/* === Scrollbar === */
::-webkit-scrollbar { width: 10px; }
::-webkit-scrollbar-track { background: var(--canvas); }
::-webkit-scrollbar-thumb { background: var(--scrollbar-thumb); border-radius: 999px; border: 2px solid var(--canvas); }
::-webkit-scrollbar-thumb:hover { background: var(--scrollbar-thumb-hover); }

/* === Header === */
.app-header {
  height: 56px;
  position: sticky;
  top: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 0 24px;
  background: color-mix(in srgb, var(--canvas) 85%, transparent);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--line);
}

/* Brand lockup — accent logo tile + wordmark */
.brand-lockup {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
  text-decoration: none;
  color: inherit;
}
.logo-tile {
  display: grid;
  place-items: center;
  width: 32px;
  height: 32px;
  flex-shrink: 0;
  border-radius: var(--r-sm);
  background: var(--accent);
  color: var(--canvas);
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 13px;
  letter-spacing: 0.02em;
  transition: transform var(--dur-mid) var(--ease-out-expo);
}
.brand-lockup:hover .logo-tile { transform: rotate(-10deg); }
.brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.15;
}
.brand-name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 15px;
  color: var(--ink);
  white-space: nowrap;
}
.brand-sub {
  font-family: var(--font-mono);
  font-size: 9px;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--ink-faint);
  white-space: nowrap;
}

.header-search {
  position: relative;
  flex: 1;
  max-width: 400px;
}
.search-icon {
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--ink-faint);
  pointer-events: none;
}
/* Search adopts the spec .field: recessed on --canvas, accent focus border */
.search-input {
  width: 100%;
  padding: 8px 12px 8px 36px;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  font-size: 13px;
  font-family: inherit;
  background: var(--canvas);
  color: var(--ink);
  outline: none;
  transition: border-color var(--dur-fast);
}
.search-input:focus { border-color: var(--accent); }
.search-input::placeholder { color: var(--ink-faint); }
.header-actions {
  flex-shrink: 0;
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 8px;
}
.resource-count {
  font-size: 12px;
  font-weight: 500;
  color: var(--ink-faint);
  white-space: nowrap;
}

/* Icon button — round hairline chrome control (theme toggle, lock) */
.icon-btn {
  display: grid;
  place-items: center;
  width: 36px;
  height: 36px;
  padding: 0;
  border-radius: var(--r-pill);
  border: 1px solid var(--line);
  background: transparent;
  color: var(--ink-muted);
  cursor: pointer;
  transition: border-color var(--dur-fast), color var(--dur-fast);
}
.icon-btn:hover { border-color: var(--line-strong); color: var(--ink); }
.theme-icon-moon { display: none; }
[data-theme="light"] .theme-icon-sun { display: none; }
[data-theme="light"] .theme-icon-moon { display: inline; }

/* === Layout === */
.app-body {
  display: flex;
  min-height: calc(100vh - 56px);
}
.app-sidebar {
  width: 260px;
  flex-shrink: 0;
  background: var(--color-bg-sidebar);
  border-right: 1px solid var(--color-border);
  padding: 20px 0;
  overflow-y: auto;
  position: sticky;
  top: 56px;
  height: calc(100vh - 56px);
}
.app-main {
  flex: 1;
  min-width: 0;
  padding: 24px;
}

/* === Portfolio footer (§4.8) — the visible thread to varunnidhi.com === */
.app-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
  margin-top: 48px;
  padding: 24px 4px 8px;
  border-top: 1px solid var(--line);
}
.footer-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: inherit;
}
.footer-logo-tile {
  display: grid;
  place-items: center;
  width: 30px;
  height: 30px;
  flex-shrink: 0;
  border-radius: var(--r-sm);
  background: var(--accent);
  color: var(--canvas);
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 12px;
  letter-spacing: 0.02em;
  transition: transform var(--dur-mid) var(--ease-out-expo);
}
.footer-brand:hover .footer-logo-tile { transform: rotate(-10deg); }
.footer-brand-text { display: flex; flex-direction: column; line-height: 1.2; }
.footer-brand-name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 14px;
  color: var(--ink);
}
.footer-brand-sub {
  font-family: var(--font-mono);
  font-size: 9px;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--ink-faint);
}
.footer-right {
  display: flex;
  align-items: center;
  gap: 28px;
  flex-wrap: wrap;
}
.footer-social { display: flex; align-items: center; gap: 8px; }
.footer-social-link {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 7px 12px;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  font-family: var(--font-mono);
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--ink-muted);
  text-decoration: none;
  transition: color var(--dur-fast) var(--ease-out-expo),
              border-color var(--dur-fast) var(--ease-out-expo),
              transform var(--dur-fast) var(--ease-out-expo);
}
.footer-social-link svg { display: block; transition: color var(--dur-fast) var(--ease-out-expo); }
.footer-social-link:hover {
  color: var(--accent);
  border-color: color-mix(in srgb, var(--accent) 40%, transparent);
  transform: translateY(-1px);
}
.footer-links { display: flex; align-items: center; gap: 20px; flex-wrap: wrap; }
.footer-link {
  font-family: var(--font-mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--ink-muted);
  text-decoration: none;
  transition: color var(--dur-fast) var(--ease-out-expo);
}
.footer-link:hover { color: var(--accent); }

/* === Sidebar === */
.sidebar-section { margin-bottom: 28px; }
.sidebar-label {
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--ink-faint);
  padding: 0 22px;
  margin-bottom: 10px;
}
.type-filters {
  display: flex;
  flex-direction: column;
  gap: 1px;
  padding: 0 10px;
}
/* Sidebar entries — mono uppercase micro-labels; accent marker when active */
.type-btn,
.category-item {
  display: flex;
  align-items: center;
  gap: 8px;
  background: none;
  border: none;
  border-left: 2px solid transparent;
  padding: 7px 12px 7px 12px;
  border-radius: 0 var(--r-sm) var(--r-sm) 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--ink-muted);
  cursor: pointer;
  text-align: left;
  transition: color var(--dur-fast), border-color var(--dur-fast), background var(--dur-fast);
}
.category-item { justify-content: space-between; }
.type-btn:hover,
.category-item:hover { background: var(--hover-bg); color: var(--ink); }
.type-btn--active,
.category-item--active {
  color: var(--accent);
  border-left-color: var(--accent);
}
.category-list {
  display: flex;
  flex-direction: column;
  gap: 1px;
  padding: 0 10px;
}
.category-name {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  min-width: 0;
}
.category-count {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--ink-faint);
  min-width: 18px;
  text-align: right;
  flex-shrink: 0;
}
.category-item--active .category-count { color: var(--accent); }

/* === Grid === */
.grid-view { /* container for grid + results bar */ }
.results-bar {
  margin-bottom: 16px;
  font-size: 13px;
  color: var(--color-text-secondary);
  min-height: 20px;
}
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 20px;
}

/* === Card (spec .card-lg: --surface, hairline border, media well, no shadow) === */
.card {
  display: block;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  overflow: hidden;
  text-decoration: none;
  color: inherit;
  cursor: pointer;
  transition: border-color var(--dur-fast) var(--ease-out-expo);
}
.card:hover { border-color: var(--line-strong); }
.card:hover .card-title { color: var(--accent); }

/* Media well — 16:10, tool logo centered on a subtle category-gradient tint */
.card-thumbnail {
  aspect-ratio: 16 / 10;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  border-bottom: 1px solid var(--line);
}
.card-thumbnail[data-category] {
  background:
    radial-gradient(ellipse at 68% 58%, color-mix(in srgb, var(--grad-2) 24%, transparent) 0%, transparent 62%),
    linear-gradient(140deg, color-mix(in srgb, var(--grad-1) 18%, var(--surface-2)) 0%, var(--surface-2) 78%);
}
.card-logo {
  max-width: 60px;
  max-height: 60px;
  object-fit: contain;
  filter: drop-shadow(0 2px 8px var(--media-shadow));
}
.card-thumbnail-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0.55;
  position: relative;
  z-index: 2;
}
.card-thumbnail-icon svg {
  width: 48px;
  height: 48px;
}

/* Card Body — mono eyebrow, display name, muted description, mono meta */
.card-body { padding: 16px; }
.card-eyebrow {
  display: block;
  font-family: var(--font-mono);
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--ink-faint);
  margin-bottom: 8px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.badge {
  font-size: 11px;
  font-weight: 500;
  padding: 2px 8px;
  border-radius: 4px;
  white-space: nowrap;
}
.card-title {
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 600;
  margin: 0 0 6px;
  color: var(--ink);
  transition: color var(--dur-fast);
}
.card-description {
  font-size: 12.5px;
  color: var(--ink-muted);
  line-height: 1.55;
  margin: 0 0 12px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.card-meta {
  font-family: var(--font-mono);
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--ink-faint);
}
.card-subcategory {
  font-size: 11px;
  color: var(--ink-faint);
}

/* === Category Gradient Custom Properties === */
.card-thumbnail[data-category="3d-animation"],
.detail-hero[data-category="3d-animation"]       { --grad-1: #4A5EC8; --grad-2: #5A3580; }
.card-thumbnail[data-category="game-development"],
.detail-hero[data-category="game-development"]   { --grad-1: #C86AD8; --grad-2: #CC3A50; }
.card-thumbnail[data-category="digital-art"],
.detail-hero[data-category="digital-art"]        { --grad-1: #2D7BCC; --grad-2: #0AA8B5; }
.card-thumbnail[data-category="video-editing"],
.detail-hero[data-category="video-editing"]      { --grad-1: #1E9E55; --grad-2: #1EB89E; }
.card-thumbnail[data-category="audio-production"],
.detail-hero[data-category="audio-production"]   { --grad-1: #D94A78; --grad-2: #C8A820; }
.card-thumbnail[data-category="local-ai"],
.detail-hero[data-category="local-ai"]           { --grad-1: #7B5EA7; --grad-2: #C06AAE; }
.card-thumbnail[data-category="3d-assets"],
.detail-hero[data-category="3d-assets"]          { --grad-1: #CC9B3A; --grad-2: #3A9EA8; }
.card-thumbnail[data-category="programming"],
.detail-hero[data-category="programming"]        { --grad-1: #3AA0C8; --grad-2: #4472CC; }
.card-thumbnail[data-category="productivity"],
.detail-hero[data-category="productivity"]       { --grad-1: #2EA87A; --grad-2: #A09828; }
.card-thumbnail[data-category="web-development"],
.detail-hero[data-category="web-development"]    { --grad-1: #CC8A40; --grad-2: #A850CC; }
.card-thumbnail[data-category="creative-design"],
.detail-hero[data-category="creative-design"]    { --grad-1: #9A6AD4; --grad-2: #4A90D4; }
.card-thumbnail[data-category="learning"],
.detail-hero[data-category="learning"]           { --grad-1: #6A7FA0; --grad-2: #4A6888; }
.card-thumbnail[data-category="asset-libraries"],
.detail-hero[data-category="asset-libraries"]    { --grad-1: #CC8A50; --grad-2: #C86040; }
.card-thumbnail[data-category="collaboration"],
.detail-hero[data-category="collaboration"]      { --grad-1: #5A7FC8; --grad-2: #3A8AB8; }
.card-thumbnail[data-category="publishing"],
.detail-hero[data-category="publishing"]         { --grad-1: #6AB830; --grad-2: #2EA86A; }

/* === Shared Textured Gradient Structure (detail heroes + path covers only) === */
.detail-hero[data-category],
.path-card-header,
.path-detail-hero {
  background:
    radial-gradient(ellipse at 70% 60%, var(--grad-2) 0%, transparent 55%),
    linear-gradient(135deg, #111118 0%, #111118 15%, var(--grad-1) 55%, var(--grad-2) 100%);
}

/* === Grain Noise Overlay === */
.path-card-header::after,
.detail-hero::after,
.path-detail-hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 512 512' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.7' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  opacity: 0.15;
  mix-blend-mode: overlay;
  pointer-events: none;
  z-index: 1;
}

/* === Detail View === */
.detail-view { /* rendered dynamically */ }
.back-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: none;
  border: 1px solid var(--line);
  padding: 8px 16px;
  border-radius: var(--r-md);
  cursor: pointer;
  font-family: inherit;
  font-size: 13px;
  color: var(--ink-muted);
  margin-bottom: 24px;
  transition: border-color var(--dur-fast) var(--ease-out-expo), color var(--dur-fast) var(--ease-out-expo);
}
.back-btn:hover {
  border-color: var(--line-strong);
  color: var(--ink);
}
.detail-hero {
  height: 200px;
  border-radius: var(--r-lg);
  overflow: hidden;
  position: relative;
  display: flex;
  align-items: center;
  padding: 0 40px;
  margin-bottom: 36px;
}
.detail-hero-content {
  display: flex;
  align-items: center;
  gap: 24px;
  position: relative;
  z-index: 2;
}
.detail-logo-box {
  width: 84px;
  height: 84px;
  border-radius: var(--r-lg);
  display: grid;
  place-items: center;
  flex-shrink: 0;
  overflow: hidden;
  border: 1px solid var(--glass-border);
  background:
    radial-gradient(ellipse at 68% 58%, color-mix(in srgb, var(--grad-2) 30%, transparent) 0%, transparent 62%),
    linear-gradient(140deg, color-mix(in srgb, var(--grad-1) 24%, var(--surface-2)) 0%, var(--surface-2) 80%);
}
.detail-logo-box img {
  max-width: 52px;
  max-height: 52px;
  object-fit: contain;
}
.detail-logo-box svg {
  width: 40px;
  height: 40px;
  opacity: 0.6;
}
.detail-hero-text { color: var(--on-media); }
.detail-title {
  font-family: var(--font-display);
  font-size: 30px;
  font-weight: 600;
  letter-spacing: -0.01em;
  margin: 0 0 8px;
  text-shadow: 0 2px 8px var(--media-shadow);
}
.detail-breadcrumb {
  font-family: var(--font-mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--on-dark-dim);
}
.detail-content {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 40px;
  align-items: start;
}

/* Section anatomy: eyebrow (mono index + rule) → labeled blocks */
.detail-eyebrow {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--ink-faint);
  margin: 0 0 24px;
}
.detail-eyebrow .idx { color: var(--accent); }
.detail-eyebrow .rule {
  height: 1px;
  width: 40px;
  background: var(--line-strong);
}
.detail-block { margin-bottom: 28px; }
.detail-block:last-child { margin-bottom: 0; }
.detail-label {
  font-family: var(--font-mono);
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--accent);
  margin: 0 0 8px;
}
.detail-body {
  font-size: 14px;
  line-height: 1.75;
  color: var(--ink-muted);
  margin: 0;
}
.detail-section-title {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 600;
  margin: 0 0 16px;
  color: var(--ink);
}
.detail-info-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--r-xl);
  padding: 24px;
  margin-bottom: 20px;
}
.detail-info-card:last-child { margin-bottom: 0; }

/* Stat row — mono accent keys over ink values */
.detail-stats {
  display: flex;
  flex-direction: column;
  gap: 18px;
}
.detail-stat-key {
  font-family: var(--font-mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--accent);
}
.detail-stat-val {
  margin-top: 6px;
  font-size: 13.5px;
  color: var(--ink);
  line-height: 1.5;
}
.detail-stat-val a {
  color: var(--ink);
  text-decoration: none;
  word-break: break-all;
  border-bottom: 1px solid var(--line-strong);
  transition: color var(--dur-fast), border-color var(--dur-fast);
}
.detail-stat-val a:hover {
  color: var(--accent);
  border-color: var(--accent);
}
.detail-actions {
  display: flex;
  flex-direction: column;
  gap: 10px;
  align-items: flex-start;
}
.action-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 11px 18px;
  border-radius: var(--r-md);
  font-size: 13px;
  font-weight: 500;
  text-decoration: none;
  border: 1px solid var(--line);
  color: var(--ink-muted);
  font-family: inherit;
  transition: border-color var(--dur-fast) var(--ease-out-expo), color var(--dur-fast) var(--ease-out-expo), background var(--dur-fast) var(--ease-out-expo);
}
.action-btn:hover {
  border-color: var(--line-strong);
  color: var(--ink);
}
.action-btn--primary {
  background: var(--accent);
  color: var(--on-media);
  border-color: var(--accent);
}
.action-btn--primary:hover {
  background: var(--accent-soft);
  color: var(--on-media);
  border-color: var(--accent-soft);
}

/* === Related Resources === */
.detail-related {
  margin-top: 48px;
  padding-top: 36px;
  border-top: 1px solid var(--line);
}
.related-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 16px;
  margin-top: 16px;
}
.related-card .card-logo { max-width: 44px; max-height: 44px; }
.related-card .card-thumbnail-icon svg {
  width: 36px;
  height: 36px;
}

/* === Empty State === */
.empty-state {
  text-align: center;
  padding: 80px 20px;
}
.empty-state-icon { font-size: 48px; margin-bottom: 16px; }
.empty-state-title {
  font-size: 18px;
  font-weight: 600;
  color: var(--color-text-primary);
  margin-bottom: 8px;
}
.empty-state-text {
  font-size: 14px;
  color: var(--color-text-tertiary);
}

/* === View Transitions === */
.grid-view, .detail-view {
  animation: fadeIn 0.15s ease;
}
@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}

/* === Lock Screen === */
.lock-screen {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--lock-base);
  overflow: hidden;
  animation: fadeIn 0.3s ease;
}
.lock-screen-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: -1;
}
.lock-screen::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--lock-scrim);
}
.lock-screen--exit {
  animation: lockExit 0.3s ease forwards;
}
@keyframes lockExit {
  to {
    opacity: 0;
    transform: scale(1.02);
  }
}
.lock-screen-content {
  position: relative;
  z-index: 1;
  background: var(--glass-1);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-radius: var(--r-xl);
  padding: 48px 40px 40px;
  display: flex;
  flex-direction: column;
  align-items: center;
  min-width: 320px;
  border: 1px solid var(--glass-border);
  box-shadow: 0 8px 32px var(--media-shadow);
}
.lock-screen-logo {
  margin-bottom: 12px;
}
.lock-screen-title {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--on-media);
  margin-bottom: 4px;
}
.lock-screen-prompt {
  font-size: 14px;
  color: var(--on-dark-dim);
  margin-bottom: 24px;
}
.lock-screen-hint {
  margin-top: 20px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--on-dark-dim);
  opacity: 0.85;
}
.lock-screen-hint strong {
  color: var(--on-media);
  font-weight: 600;
}
.lock-dots {
  display: flex;
  gap: 16px;
  margin-bottom: 8px;
}
.lock-dot {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  border: 2px solid var(--on-dark-faint);
  background: transparent;
  transition: background 0.15s, border-color 0.15s;
}
.lock-dot--filled {
  background: var(--accent);
  border-color: var(--accent);
}
.lock-dots--shake {
  animation: shake 0.4s ease;
}
.lock-dots--shake .lock-dot {
  border-color: var(--accent);
}
.lock-dots--shake .lock-dot--filled {
  background: var(--accent);
  border-color: var(--accent);
}
@keyframes shake {
  0%, 100% { transform: translateX(0); }
  20% { transform: translateX(-12px); }
  40% { transform: translateX(10px); }
  60% { transform: translateX(-8px); }
  80% { transform: translateX(6px); }
}
.lock-error {
  font-family: var(--font-mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent);
  min-height: 20px;
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
}
/* Wrong-PIN alert → spec accent-wash style (only when populated) */
.lock-error:not(:empty) {
  min-height: 0;
  padding: 8px 14px;
  border-radius: var(--r-md);
  border: 1px solid color-mix(in srgb, var(--accent) 40%, transparent);
  background: color-mix(in srgb, var(--accent) 12%, transparent);
}
.lock-keypad {
  display: grid;
  grid-template-columns: repeat(3, 72px);
  gap: 12px;
  justify-content: center;
}
.keypad-btn {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  border: none;
  background: var(--glass-2);
  color: var(--on-media);
  font-size: 24px;
  font-family: var(--font-display);
  font-weight: 500;
  cursor: pointer;
  transition: background var(--dur-fast), color var(--dur-fast);
  display: flex;
  align-items: center;
  justify-content: center;
}
.keypad-btn:hover {
  background: var(--glass-3);
}
.keypad-btn:active {
  background: color-mix(in srgb, var(--accent) 32%, var(--glass-2));
  color: var(--on-media);
}
.keypad-btn--delete {
  font-size: 20px;
}
.keypad-spacer {
  width: 72px;
  height: 72px;
}

/* === Explore Nav (header navlinks) === */
.explore-nav {
  display: flex;
  align-items: center;
  gap: 2px;
  flex-shrink: 0;
}
.explore-nav-btn {
  background: none;
  border: none;
  padding: 0.5rem 0.75rem;
  border-radius: var(--r-sm);
  font-family: var(--font-mono);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--ink-muted);
  cursor: pointer;
  white-space: nowrap;
  transition: color var(--dur-fast);
}
.explore-nav-btn:hover { color: var(--ink); }
.explore-nav-btn--active { color: var(--accent); }

/* === Paths View === */
.paths-view {
  animation: fadeIn 0.15s ease;
}
.paths-header {
  margin-bottom: 24px;
}
.paths-title {
  font-size: 22px;
  font-weight: 700;
  margin: 0 0 4px;
  color: var(--color-text-primary);
}
.paths-subtitle {
  font-size: 14px;
  color: var(--color-text-secondary);
  margin: 0;
}
.paths-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 20px;
}

/* === Path Card === */
.path-card {
  display: block;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  overflow: hidden;
  text-decoration: none;
  color: inherit;
  cursor: pointer;
  transition: border-color var(--dur-fast) var(--ease-out-expo);
}
.path-card:hover { border-color: var(--line-strong); }
.path-card:hover .path-card-title { color: var(--accent); }
.path-card-header {
  height: 120px;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}
.path-card-icon {
  opacity: 0.5;
  position: relative;
  z-index: 2;
}
.path-card-icon svg {
  width: 48px;
  height: 48px;
}
.path-card-body {
  padding: 16px;
}
.path-card-badges {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  margin-bottom: 8px;
}
.path-card-title {
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 600;
  margin: 0 0 6px;
  color: var(--ink);
  transition: color var(--dur-fast);
}
.path-card-description {
  font-size: 12px;
  color: var(--color-text-secondary);
  line-height: 1.5;
  margin: 0 0 12px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.path-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.path-card-logos {
  display: flex;
  align-items: center;
}
.path-card-logo {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--color-bg-sidebar);
  border: 2px solid var(--color-bg-surface);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  margin-right: -8px;
  position: relative;
}
.path-card-logo img {
  max-width: 18px;
  max-height: 18px;
  object-fit: contain;
}
.path-card-steps {
  font-family: var(--font-mono);
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--ink-faint);
}

/* === Difficulty Badges === */
.badge--path-beginner,
.badge--path-intermediate,
.badge--path-advanced {
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.badge--path-beginner {
  background: color-mix(in srgb, var(--ok) 15%, transparent);
  color: var(--ok);
}
.badge--path-intermediate {
  background: color-mix(in srgb, var(--warn) 16%, transparent);
  color: var(--warn);
}
.badge--path-advanced {
  background: color-mix(in srgb, var(--danger) 15%, transparent);
  color: var(--danger);
}
.badge--path-duration {
  background: var(--surface-2);
  color: var(--ink-muted);
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.badge--path-hero-meta {
  background: var(--glass-3);
  color: var(--on-media);
}

/* === Path Detail Hero === */
.path-detail-hero {
  border-radius: 12px;
  overflow: hidden;
  padding: 40px;
  margin-bottom: 32px;
  position: relative;
}
.path-detail-hero-content {
  position: relative;
  z-index: 2;
  color: var(--on-media);
}
.path-detail-icon {
  opacity: 0.7;
  margin-bottom: 16px;
}
.path-detail-icon svg {
  width: 48px;
  height: 48px;
}
.path-detail-title {
  font-family: var(--font-display);
  font-size: 30px;
  font-weight: 600;
  letter-spacing: -0.01em;
  margin: 0 0 8px;
  text-shadow: 0 2px 8px var(--media-shadow);
}
.path-detail-description {
  font-size: 14px;
  line-height: 1.6;
  margin: 0 0 16px;
  opacity: 0.9;
  max-width: 640px;
}
.path-detail-badges {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

/* === Path Detail Content === */
.path-detail-content {
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: 32px;
}
.path-detail-main { }
.path-detail-sidebar { }

/* === Path Timeline === */
.path-timeline {
  margin-top: 16px;
}
.path-step {
  display: flex;
  gap: 16px;
}
.path-step-indicator {
  display: flex;
  flex-direction: column;
  align-items: center;
  flex-shrink: 0;
}
.path-step-number {
  font-family: var(--font-mono);
  font-size: 16px;
  font-weight: 500;
  color: var(--accent);
  letter-spacing: 0.02em;
  line-height: 1;
  padding-top: 3px;
  min-width: 26px;
  text-align: center;
  flex-shrink: 0;
}
.path-step-connector {
  width: 1px;
  flex: 1;
  background: var(--line);
  min-height: 24px;
  margin-top: 10px;
}
.path-step-content {
  flex: 1;
  padding-bottom: 28px;
  min-width: 0;
}
.path-step-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 8px;
}
.path-step-logo {
  width: 32px;
  height: 32px;
  object-fit: contain;
  flex-shrink: 0;
}
.path-step-header-text {
  flex: 1;
  min-width: 0;
}
.path-step-title {
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 600;
  margin: 0;
  color: var(--ink);
}
.path-step-tool {
  font-family: var(--font-mono);
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--ink-faint);
}
.path-step-time {
  font-family: var(--font-mono);
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--ink-faint);
  white-space: nowrap;
  flex-shrink: 0;
}
.path-step-description {
  font-size: 13.5px;
  color: var(--ink-muted);
  line-height: 1.65;
  margin: 0 0 10px;
}
.path-step-link {
  font-family: var(--font-mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 500;
  color: var(--accent);
  text-decoration: none;
  transition: opacity var(--dur-fast);
}
.path-step-link:hover {
  opacity: 0.7;
}

/* === Path Detail Sidebar Tools === */
.path-tools-list {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.path-tool-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px;
  border-radius: 6px;
  text-decoration: none;
  color: inherit;
  transition: background 0.1s;
}
.path-tool-item:hover {
  background: var(--hover-bg);
}
.path-tool-icon {
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.path-tool-icon img {
  max-width: 28px;
  max-height: 28px;
  object-fit: contain;
}
.path-tool-name {
  font-size: 13px;
  font-weight: 500;
  color: var(--ink);
}
.path-tool-type {
  font-family: var(--font-mono);
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--ink-faint);
}

/* === Path Mention Cards (on resource detail) === */
.path-mention-grid {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-top: 16px;
}
.path-mention-card {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px;
  border-radius: var(--r-md);
  border: 1px solid var(--line);
  background: var(--surface);
  text-decoration: none;
  color: inherit;
  transition: border-color var(--dur-fast) var(--ease-out-expo);
}
.path-mention-card:hover {
  border-color: var(--line-strong);
}
.path-mention-gradient {
  width: 40px;
  height: 40px;
  border-radius: var(--r-sm);
  flex-shrink: 0;
}
.path-mention-title {
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 3px;
  transition: color var(--dur-fast);
}
.path-mention-card:hover .path-mention-title {
  color: var(--accent);
}
.path-mention-meta {
  font-family: var(--font-mono);
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--ink-faint);
}
