/* ============================================================================
   Adraca Sovereign Search — Design System (aligned to adraca.io THEME-TOKENS §6)
   ============================================================================ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;700&family=Outfit:wght@300;500;700;900&family=JetBrains+Mono:wght@400;700&display=swap');

/* ── Token root ─────────────────────────────────────────────────────────── */
:root {
  --background: #f8fafc;
  --surface: #ffffff;
  --foreground: #0f172a;
  --text-body: #475569;
  --text-muted: #64748b;
  --obsidian: #0F172A;
  --steel: #64748B;
  --azure: #2563EB;
  --violet: #7C3AED;
  --magenta: #DB2777;
  --safety-orange: #F97316;
  --code-green: #10B981;
  --success: #10b981;
  --warn: #F97316;
  --error: #ef4444;
  --info: #3b82f6;
  /* Search accent — indigo per product convention */
  --accent: #4f46e5;
  --accent-hover: #4338ca;
  --accent-glow: rgba(79, 70, 229, 0.25);
  /* Glass */
  --glass-bg: rgba(255, 255, 255, 0.75);
  --glass-border: rgba(255, 255, 255, 0.8);
  --glass-shadow: 0 8px 32px 0 rgba(37, 99, 235, 0.10);
  --glass-blur: 20px;
  /* Gradients */
  --primary-grad: linear-gradient(135deg, #3B82F6 0%, #06B6D4 50%, #8B5CF6 100%);
  --cool-gradient: linear-gradient(to right, #2563EB, #7C3AED, #DB2777);
  --cool-mesh: radial-gradient(circle at 0% 0%, rgba(59, 130, 246, 0.15), transparent 40%),
               radial-gradient(circle at 100% 100%, rgba(6, 182, 212, 0.15), transparent 40%);
  /* Geometry */
  --radius-glass: 24px;
  --radius-input: 16px;
  --radius-pill: 9999px;
  /* Typography */
  --font-sans: 'Inter', system-ui, sans-serif;
  --font-display: 'Outfit', var(--font-sans);
  --font-mono: 'JetBrains Mono', ui-monospace, monospace;
}

.dark, [data-theme="dark"], body {
  --background: #0B0E14;
  --surface: #151B28;
  --foreground: #F1F5F9;
  --text-body: #cbd5e1;
  --text-muted: #94a3b8;
  --glass-bg: rgba(11, 14, 20, 0.65);
  --glass-border: rgba(255, 255, 255, 0.08);
  --glass-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.5);
  --cool-mesh: radial-gradient(circle at 0% 0%, rgba(37, 99, 235, 0.08), transparent 45%),
               radial-gradient(circle at 100% 100%, rgba(124, 58, 237, 0.08), transparent 45%);
}

/* ── Reset ──────────────────────────────────────────────────────────────── */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

.hidden { display: none !important; }

/* ── Base ───────────────────────────────────────────────────────────────── */
body {
  font-family: var(--font-sans);
  background-color: var(--background);
  background-image: var(--cool-mesh);
  background-attachment: fixed;
  color: var(--foreground);
  line-height: 1.6;
  min-height: 100vh;
  overflow-x: hidden;
}

body::before {
  content: '';
  position: fixed;
  top: -10%; left: -10%;
  width: 40%; height: 40%;
  background: radial-gradient(circle, rgba(79, 70, 229, 0.08) 0%, transparent 70%);
  z-index: -1;
  pointer-events: none;
}

/* ── Token classes (THEME-TOKENS §6) ───────────────────────────────────── */
.adraca-glass-card {
  background: var(--glass-bg);
  backdrop-filter: blur(var(--glass-blur)) saturate(180%);
  -webkit-backdrop-filter: blur(var(--glass-blur)) saturate(180%);
  border: 1px solid var(--glass-border);
  box-shadow: var(--glass-shadow);
  border-radius: var(--radius-glass);
  padding: 2rem;
  transition: box-shadow .3s ease, border-color .3s ease, transform .3s ease;
}
.adraca-glass-card:hover {
  box-shadow: 0 0 40px rgba(79, 70, 229, 0.2);
  border-color: rgba(79, 70, 229, 0.35);
}

.adraca-status-badge {
  display: inline-flex; align-items: center; gap: .5rem;
  padding: .35rem .85rem;
  border-radius: var(--radius-pill);
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(8px);
  font: 700 11px/1 var(--font-mono);
  letter-spacing: .12em; text-transform: uppercase;
  color: var(--text-muted);
  white-space: nowrap;
}
.adraca-status-badge::before {
  content: ""; width: 8px; height: 8px; border-radius: 50%;
  background: var(--success);
  box-shadow: 0 0 10px var(--success);
  animation: adraca-pulse 2s ease-in-out infinite;
  flex-shrink: 0;
}
.adraca-status-badge.neutral-mode::before { background: var(--text-muted); box-shadow: none; }
@keyframes adraca-pulse { 0%, 100% { opacity: 1 } 50% { opacity: .4 } }

.adraca-btn-primary {
  background: var(--safety-orange); color: #fff;
  border: 0; border-radius: var(--radius-pill);
  padding: .75rem 2rem; font: 700 14px var(--font-sans);
  box-shadow: 0 10px 15px -3px rgba(0,0,0,.15);
  cursor: pointer; transition: transform .15s ease;
}
.adraca-btn-primary:hover { transform: scale(1.05); }
.adraca-btn-primary:active { transform: scale(0.95); }

/* ── Layout ─────────────────────────────────────────────────────────────── */
.container {
  max-width: 900px;
  margin: 0 auto;
  padding: 0 2rem;
}

/* ── Site header ────────────────────────────────────────────────────────── */
.site-header {
  background: rgba(11, 14, 20, 0.85);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--glass-border);
  padding: .75rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  position: sticky; top: 0; z-index: 100;
}
.site-header-logo {
  font: 700 1.2rem var(--font-display);
  color: var(--accent);
  text-decoration: none;
  letter-spacing: -.01em;
}
.site-header-logo span {
  font-size: .65rem;
  background: rgba(79, 70, 229, 0.2);
  color: var(--accent);
  padding: 2px 8px;
  border-radius: var(--radius-pill);
  margin-left: .5rem;
  letter-spacing: .05em;
  text-transform: uppercase;
  font-family: var(--font-mono);
}
.site-header-nav { display: flex; gap: 1.5rem; align-items: center; }
.site-header-nav a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: .875rem;
  transition: color .2s;
}
.site-header-nav a:hover { color: var(--foreground); }

/* ── Demo banner ────────────────────────────────────────────────────────── */
.demo-banner {
  background: rgba(79, 70, 229, 0.12);
  border-bottom: 1px solid rgba(79, 70, 229, 0.25);
  padding: .6rem 2rem;
  text-align: center;
  font: 500 .8rem var(--font-sans);
  color: var(--text-body);
  letter-spacing: .02em;
}
.demo-banner strong { color: var(--accent); }

/* ── Hero ───────────────────────────────────────────────────────────────── */
.search-hero {
  padding: 80px 0 48px;
  text-align: center;
}

.hero-title {
  font-family: var(--font-display);
  font-size: 3.5rem;
  font-weight: 900;
  letter-spacing: -0.04em;
  margin-bottom: .75rem;
  background: linear-gradient(to bottom right, #fff 30%, #94a3b8);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  color: var(--text-muted);
  font-size: 1rem;
  font-weight: 500;
  margin-bottom: 1.5rem;
}

.mode-indicator-wrap {
  margin-bottom: 2rem;
  display: flex;
  justify-content: center;
}

/* ── Example chips ──────────────────────────────────────────────────────── */
.example-chips {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
  justify-content: center;
  margin-top: 1.5rem;
}
.example-chip {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(8px);
  border-radius: var(--radius-pill);
  padding: .4rem 1rem;
  font: 500 .8rem var(--font-sans);
  color: var(--text-body);
  cursor: pointer;
  transition: border-color .2s, color .2s, transform .15s;
  white-space: nowrap;
}
.example-chip:hover {
  border-color: rgba(79, 70, 229, 0.5);
  color: var(--foreground);
  transform: translateY(-1px);
}

/* ── Search box ─────────────────────────────────────────────────────────── */
.search-container {
  position: relative;
  max-width: 700px;
  margin: 0 auto;
}

.search-wrapper {
  display: flex;
  align-items: center;
  background: var(--glass-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--glass-border);
  border-radius: 20px;
  padding: 8px 12px 8px 20px;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: var(--glass-shadow);
}

.search-wrapper:focus-within {
  background: rgba(11, 14, 20, 0.75);
  border-color: rgba(79, 70, 229, 0.5);
  box-shadow: 0 0 0 3px var(--accent-glow), var(--glass-shadow);
}

.search-input {
  flex: 1;
  background: transparent;
  border: none;
  color: var(--foreground);
  font: 1.05rem var(--font-sans);
  padding: 12px 0;
  margin-left: 14px;
  outline: none;
}
.search-input::placeholder { color: var(--text-muted); }

.search-button {
  background: var(--accent);
  border: none;
  width: 40px; height: 40px;
  border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  color: white;
  cursor: pointer;
  transition: all 0.2s;
  flex-shrink: 0;
}
.search-button:hover {
  transform: scale(1.05);
  background: var(--accent-hover);
  box-shadow: 0 0 20px var(--accent-glow);
}

.search-icon { color: var(--text-muted); flex-shrink: 0; }

.privacy-indicator {
  padding: 0 14px;
  border-right: 1px solid var(--glass-border);
  margin-right: 12px;
  display: flex; align-items: center;
}
.privacy-shield { color: var(--text-muted); transition: color .2s; }
.privacy-shield.active { color: var(--accent); }
.privacy-shield.denied { color: var(--success); }

/* ── Search stats ───────────────────────────────────────────────────────── */
.search-stats {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: .5rem;
  margin-top: 1rem;
  font: 500 .8rem var(--font-mono);
  color: var(--text-muted);
}
.stat-divider { opacity: .4; }

/* ── Autocomplete ───────────────────────────────────────────────────────── */
.autocomplete-dropdown {
  position: absolute;
  top: calc(100% + 8px);
  left: 0; right: 0;
  background: var(--surface);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-input);
  backdrop-filter: blur(20px);
  z-index: 50;
  overflow: hidden;
  box-shadow: var(--glass-shadow);
}
.autocomplete-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  cursor: pointer;
  transition: background .15s;
  border-bottom: 1px solid var(--glass-border);
}
.autocomplete-item:last-child { border-bottom: none; }
.autocomplete-item:hover { background: rgba(79, 70, 229, 0.08); }
.autocomplete-thumbnail {
  width: 36px; height: 36px;
  border-radius: 8px;
  object-fit: cover;
  background: var(--glass-bg);
  flex-shrink: 0;
}
.autocomplete-item-text {
  font: 500 .9rem var(--font-sans);
  color: var(--foreground);
}

/* ── Results ────────────────────────────────────────────────────────────── */
.results-section { padding-bottom: 100px; }
.results-list { display: flex; flex-direction: column; gap: 16px; }

/* Result cards inherit adraca-glass-card; rich layout */
.result-card {
  background: var(--glass-bg);
  backdrop-filter: blur(var(--glass-blur)) saturate(180%);
  -webkit-backdrop-filter: blur(var(--glass-blur)) saturate(180%);
  border: 1px solid var(--glass-border);
  box-shadow: var(--glass-shadow);
  border-radius: var(--radius-glass);
  padding: 1.5rem 1.75rem;
  transition: box-shadow .3s ease, border-color .3s ease, transform .2s ease;
  cursor: pointer;
}
.result-card:hover {
  box-shadow: 0 0 40px rgba(79, 70, 229, 0.18);
  border-color: rgba(79, 70, 229, 0.3);
  transform: translateY(-2px);
}

.rich-snippet {
  display: grid;
  grid-template-columns: auto 1fr;
  grid-template-rows: auto auto;
  gap: 0 1.25rem;
}
.result-visual {
  grid-row: 1 / 3;
  display: flex; align-items: flex-start;
  padding-top: 4px;
}
.result-thumbnail {
  width: 72px; height: 72px;
  border-radius: 12px;
  object-fit: cover;
  background: var(--surface);
  border: 1px solid var(--glass-border);
  flex-shrink: 0;
}
.result-content { grid-column: 2; min-width: 0; }

.result-header {
  display: flex;
  align-items: flex-start;
  gap: .5rem;
  margin-bottom: .5rem;
  flex-wrap: wrap;
}
.result-title {
  font: 700 1.1rem var(--font-sans);
  color: var(--foreground);
  letter-spacing: -.01em;
  flex: 1;
  min-width: 0;
}
.result-snippet {
  color: var(--text-body);
  font-size: .9rem;
  line-height: 1.7;
}

.result-meta-footer {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: .875rem;
  flex-wrap: wrap;
}
.result-score-mini {
  width: 80px; height: 4px;
  background: var(--glass-border);
  border-radius: 2px;
  overflow: hidden;
  flex-shrink: 0;
}
.score-fill {
  height: 100%;
  background: var(--accent);
  border-radius: 2px;
  transition: width .4s ease;
}
.meta-item {
  font: 500 .75rem var(--font-mono);
  color: var(--text-muted);
}
.meta-item.filename { color: var(--accent); }

/* Ranking rationale row */
.result-rationale {
  grid-column: 2;
  margin-top: .75rem;
  padding-top: .75rem;
  border-top: 1px solid var(--glass-border);
  display: flex;
  align-items: baseline;
  gap: .75rem;
  flex-wrap: wrap;
}
.rationale-label {
  font: 700 10px var(--font-mono);
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--text-muted);
  flex-shrink: 0;
}
.rationale-text {
  font: 500 .8rem var(--font-mono);
  color: var(--text-muted);
}

/* "Why this result?" explain panel */
.explain-toggle {
  background: none; border: none;
  font: 500 .78rem var(--font-mono);
  color: var(--accent);
  cursor: pointer;
  padding: 0;
  letter-spacing: .04em;
  text-decoration: underline;
  text-underline-offset: 3px;
  margin-left: auto;
}
.explain-toggle:hover { color: var(--accent-hover); }

.explain-panel {
  grid-column: 1 / -1;
  margin-top: .75rem;
  padding: 1rem 1.25rem;
  background: rgba(79, 70, 229, 0.06);
  border: 1px solid rgba(79, 70, 229, 0.2);
  border-radius: 14px;
  font: 400 .82rem var(--font-mono);
  color: var(--text-body);
  line-height: 1.8;
}
.explain-panel h4 {
  font: 700 10px var(--font-mono);
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: .5rem;
}
.explain-panel table { border-collapse: collapse; width: 100%; }
.explain-panel td { padding: 2px 12px 2px 0; }
.explain-panel td:first-child { color: var(--text-muted); min-width: 120px; }
.explain-panel td:last-child { color: var(--foreground); font-weight: 700; }
.explain-error { color: var(--error); font-size: .8rem; margin-top: .25rem; }

/* ── Badges ─────────────────────────────────────────────────────────────── */
.badge {
  display: inline-block;
  font: 700 10px var(--font-mono);
  text-transform: uppercase;
  letter-spacing: .07em;
  padding: 3px 9px;
  border-radius: 8px;
  white-space: nowrap;
  flex-shrink: 0;
}
.badge-primary {
  background: rgba(79, 70, 229, 0.12);
  color: var(--accent);
  border: 1px solid rgba(79, 70, 229, 0.25);
}
.badge-demo {
  background: rgba(249, 115, 22, 0.12);
  color: var(--warn);
  border: 1px solid rgba(249, 115, 22, 0.25);
}

/* ── Skeleton loader ────────────────────────────────────────────────────── */
.skeleton-loader { display: flex; flex-direction: column; gap: 16px; }
.skeleton-card {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-glass);
  padding: 1.5rem 1.75rem;
}
.skeleton-header, .skeleton-line {
  background: linear-gradient(90deg, var(--glass-border) 25%, rgba(255,255,255,0.06) 50%, var(--glass-border) 75%);
  background-size: 200% 100%;
  animation: skeleton-shimmer 1.5s infinite;
  border-radius: 6px;
}
.skeleton-header { height: 20px; width: 55%; margin-bottom: 12px; }
.skeleton-line { height: 14px; width: 100%; margin-bottom: 8px; }
.skeleton-line.short { width: 65%; }
@keyframes skeleton-shimmer {
  0% { background-position: 200% 0 }
  100% { background-position: -200% 0 }
}

/* ── Empty state ────────────────────────────────────────────────────────── */
.empty-state {
  text-align: center;
  padding: 80px 0;
  color: var(--text-muted);
}
.empty-icon { color: var(--text-muted); margin: 0 auto 1.5rem; opacity: .5; display: block; }
.empty-title {
  font: 700 1.25rem var(--font-display);
  color: var(--text-body);
  margin-bottom: .5rem;
}
.empty-text { font-size: .9rem; line-height: 1.6; }

/* ── CMP consent banner ─────────────────────────────────────────────────── */
.cmp-banner {
  position: fixed;
  bottom: 0; left: 0; right: 0;
  background: var(--surface);
  border-top: 1px solid var(--glass-border);
  backdrop-filter: blur(20px);
  z-index: 200;
  padding: 1.25rem 2rem;
  transition: transform .4s ease;
}
.cmp-banner.cmp-hide { transform: translateY(100%); }
.cmp-content {
  max-width: 900px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 1.5rem;
  flex-wrap: wrap;
}
.cmp-content p { flex: 1; font-size: .875rem; color: var(--text-body); min-width: 200px; }
.cmp-actions { display: flex; gap: .75rem; flex-shrink: 0; }
.cmp-btn {
  padding: .5rem 1.25rem;
  border-radius: var(--radius-pill);
  font: 600 .8rem var(--font-sans);
  cursor: pointer;
  transition: transform .15s, opacity .15s;
  border: 1px solid var(--glass-border);
}
.cmp-btn:hover { transform: scale(1.03); }
.cmp-btn-secondary {
  background: transparent;
  color: var(--text-muted);
}
.cmp-btn-primary {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}

/* ── Footer ─────────────────────────────────────────────────────────────── */
.footer {
  padding: 2.5rem 0;
  border-top: 1px solid var(--glass-border);
  text-align: center;
}
.footer-text {
  font: 600 .75rem var(--font-mono);
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: .1em;
}