* { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  color-scheme: dark;
  font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: #101214;
  color: #f3f4f6;
  --bg: #101214;
  --bg-2: #15181c;
  --panel: #171a1d;
  --panel-2: #1c2024;
  --border: #2a2f35;
  --border-strong: #3a4149;
  --text: #f3f4f6;
  --muted: #a5adb7;
  --muted-2: #7f8791;
  --accent: #8fbcbb;
  --accent-soft: rgba(143,188,187,0.18);
  --accent-strong: #a3d5d3;
  --accent-glow: rgba(143,188,187,0.28);
  --pointer-x: 18%;
  --pointer-y: 12%;
}

html, body, #root { min-height: 100%; }
body { background: var(--bg); color: var(--text); }
button, input, textarea { font: inherit; }
button { border: 0; }

.app-shell {
  position: relative;
  min-height: 100vh;
  background:
    radial-gradient(circle at var(--pointer-x) var(--pointer-y), var(--accent-soft), transparent 26%),
    linear-gradient(180deg, #101214 0%, #111419 100%);
  overflow: hidden;
}

.dynamic-wash {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(circle at calc(var(--pointer-x) + 10%) calc(var(--pointer-y) + 8%), var(--accent-glow), transparent 16%),
    linear-gradient(135deg, transparent 0%, rgba(255,255,255,0.01) 100%);
  opacity: 0.9;
}

.app {
  position: relative;
  max-width: 1180px;
  margin: 0 auto;
  padding: 2rem 1.25rem 4rem;
}

.hero,
.hero-grid,
.main-grid {
  display: grid;
  gap: 1rem;
}

.hero {
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: end;
  margin-bottom: 1rem;
}

.eyebrow,
.section-kicker,
.viewer-kicker {
  text-transform: uppercase;
  letter-spacing: 0.16em;
  font-size: 0.72rem;
  color: var(--muted-2);
}

.hero h1 {
  margin-top: 0.35rem;
  font-size: clamp(2.4rem, 5vw, 4.8rem);
  font-weight: 620;
  letter-spacing: -0.07em;
}

.subtitle {
  margin-top: 0.75rem;
  max-width: 42rem;
  line-height: 1.55;
  color: var(--muted);
}

.hero-actions {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 0.75rem;
}

.panel,
.file-card,
.result-item,
.memory-content,
.memory-editor,
.viewer-header {
  background: linear-gradient(180deg, rgba(23,26,29,0.96), rgba(20,23,27,0.96));
  border: 1px solid var(--border);
  border-radius: 12px;
}

.panel,
.file-card,
.result-item,
.viewer-header,
.memory-content,
.memory-editor {
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

.interactive-card,
.ghost-btn,
.primary-btn,
.tag-pill,
.rail-row {
  transition: transform 160ms ease, border-color 160ms ease, background 160ms ease, box-shadow 160ms ease;
}

.interactive-card:hover,
.ghost-btn:hover,
.primary-btn:hover,
.rail-row:hover {
  transform: translateY(-2px);
  border-color: color-mix(in srgb, var(--accent) 44%, var(--border));
  box-shadow: 0 16px 34px rgba(0,0,0,0.2);
}

.hero-grid {
  grid-template-columns: 1.25fr 0.92fr 0.95fr;
  margin-bottom: 1rem;
}

.panel { padding: 1rem; }
.accent-panel { border-color: color-mix(in srgb, var(--accent) 55%, var(--border)); }

.lead-copy {
  margin-top: 0.75rem;
  font-size: 1.08rem;
  line-height: 1.65;
}

.lead-meta,
.file-age,
.result-meta,
.theme-copy { color: var(--muted-2); font-size: 0.82rem; }
.lead-meta { margin-top: 0.65rem; }
.theme-title { margin-top: 0.35rem; font-size: 1.2rem; font-weight: 600; letter-spacing: -0.03em; }
.theme-copy { margin-top: 0.55rem; line-height: 1.55; }

.stats-panel { display: grid; gap: 0.65rem; }
.stat-row,
.result-head,
.file-card-top,
.section-heading,
.compact-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.8rem;
}

.stat-row {
  padding-bottom: 0.65rem;
  border-bottom: 1px solid rgba(255,255,255,0.05);
}
.stat-row:last-child { padding-bottom: 0; border-bottom: 0; }
.stat-row span,
.file-stats,
.file-snippet,
.result-snippet,
.slash-hint,
.recap-line,
.rail-metrics span { color: var(--muted); }
.stat-row strong,
.rail-metrics strong { font-size: 1.15rem; font-weight: 620; }

.cluster-panel,
.search-block,
.main-grid { margin-top: 1rem; }
.main-grid { grid-template-columns: minmax(0, 1.1fr) minmax(320px, 0.9fr); }
.section-heading h2,
.compact-heading h2 {
  margin-top: 0.2rem;
  font-size: 1.1rem;
  font-weight: 620;
  letter-spacing: -0.02em;
}

.rail-list { margin-top: 1rem; display: grid; gap: 0.7rem; }
.rail-row {
  width: 100%;
  text-align: left;
  background: rgba(28,32,36,0.92);
  border: 1px solid var(--border);
  border-radius: 11px;
  padding: 0.85rem 0.9rem;
  cursor: pointer;
}
.rail-copy { min-width: 0; }
.rail-date,
.file-label,
.result-name { font-weight: 620; letter-spacing: -0.01em; }
.rail-metrics { display: grid; text-align: right; min-width: 8rem; }
.rail-bar {
  width: 100%;
  height: 4px;
  margin-top: 0.45rem;
  background: rgba(255,255,255,0.06);
  border-radius: 999px;
  overflow: hidden;
}
.rail-bar span {
  display: block;
  height: 100%;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--accent), var(--accent-strong));
}

.composer-form { margin-top: 1rem; display: flex; gap: 0.75rem; }
.search-section { position: relative; margin: 1rem 0; }
.search-input,
.memory-editor {
  width: 100%;
  background: rgba(18,21,24,0.98);
  color: var(--text);
  border: 1px solid var(--border-strong);
  border-radius: 12px;
  outline: none;
  padding: 0.92rem 1rem;
}
.memory-editor {
  min-height: 68vh;
  resize: vertical;
  line-height: 1.65;
}
.search-input:focus,
.memory-editor:focus {
  border-color: color-mix(in srgb, var(--accent) 70%, var(--border-strong));
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent-soft) 90%, transparent);
}
.search-input::placeholder,
.memory-editor::placeholder { color: var(--muted-2); }
.search-spinner {
  position: absolute;
  right: 1rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--muted-2);
}

.files-grid,
.search-results {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 0.8rem;
}

.file-card,
.result-item {
  padding: 1rem;
  text-align: left;
  cursor: pointer;
}
.file-date { color: var(--accent-strong); font-size: 0.82rem; }
.file-snippet,
.result-snippet { margin-top: 0.55rem; line-height: 1.6; }
.file-stats { margin-top: 0.75rem; display: flex; gap: 0.6rem; font-size: 0.82rem; }

.tag-strip {
  margin-top: 0.8rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
}

.tag-pill {
  display: inline-flex;
  align-items: center;
  min-height: 1.85rem;
  padding: 0.24rem 0.58rem;
  background: rgba(255,255,255,0.02);
  border: 1px solid color-mix(in srgb, var(--accent) 30%, var(--border));
  border-radius: 999px;
  color: var(--accent-strong);
  font-size: 0.75rem;
  text-transform: lowercase;
  cursor: pointer;
}
.tag-pill.active,
.tag-pill:hover {
  background: var(--accent-soft);
  border-color: color-mix(in srgb, var(--accent) 70%, var(--border));
}

.ghost-btn,
.primary-btn,
.back-btn,
.small-btn {
  padding: 0.82rem 1rem;
  border-radius: 12px;
}
.ghost-btn,
.back-btn {
  background: rgba(255,255,255,0.02);
  color: var(--text);
  border: 1px solid var(--border-strong);
}
.primary-btn {
  background: linear-gradient(135deg, var(--accent), var(--accent-strong));
  color: #0d1116;
  border: 1px solid transparent;
  font-weight: 620;
}
.primary-btn:disabled { opacity: 0.55; cursor: default; transform: none; }
.small-btn { padding: 0.56rem 0.82rem; }

kbd {
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--border-strong);
  padding: 0.1rem 0.4rem;
  border-radius: 6px;
  font-size: 0.78rem;
}

.viewer-shell {
  max-width: 1080px;
  margin: 0 auto;
  padding: 2rem 1.25rem 3rem;
}
.viewer-header {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 1rem;
  padding: 1rem;
  margin-bottom: 0.8rem;
}
.viewer-title {
  margin-top: 0.2rem;
  font-size: 1.35rem;
  font-weight: 620;
  letter-spacing: -0.03em;
}
.memory-content {
  margin-top: 0.8rem;
  padding: 1.2rem;
  white-space: pre-wrap;
  line-height: 1.68;
  overflow: auto;
}
.muted-panel { color: var(--muted); }

@media (max-width: 980px) {
  .hero,
  .hero-grid,
  .main-grid { grid-template-columns: 1fr; }
  .hero-actions { align-items: flex-start; }
}

@media (max-width: 720px) {
  .app,
  .viewer-shell { padding-left: 0.9rem; padding-right: 0.9rem; }
  .composer-form,
  .viewer-header { display: grid; grid-template-columns: 1fr; }
  .files-grid,
  .search-results { grid-template-columns: 1fr; }
  .rail-row { grid-template-columns: 1fr; }
}