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

:root {
  --bg:        #0a0e17;
  --bg-card:   #111827;
  --bg-hover:  #1a2235;
  --bg-input:  #0f1521;
  --border:    #1e293b;
  --text:      #e2e8f0;
  --text-dim:  #94a3b8;
  --text-muted:#64748b;
  --accent:    #6366f1;      /* indigo */
  --accent-soft:#818cf8;
  --green:     #22c55e;
  --red:       #ef4444;
  --yellow:    #eab308;
  --blue:      #3b82f6;
  --purple:    #a855f7;
  --radius:    10px;
  --radius-sm: 6px;
  --max-w:     960px;
  --font:      'Inter', system-ui, -apple-system, sans-serif;
  --mono:      'JetBrains Mono', 'Fira Code', ui-monospace, monospace;
}

html { font-size: 15px; }
body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--accent-soft); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ─── Nav ──────────────────────────────────────────────────────────────── */
.nav {
  position: sticky; top: 0; z-index: 100;
  background: rgba(10, 14, 23, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  padding: 0.75rem 1.5rem;
}
.nav-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}
.nav-brand {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--text);
}
.nav-brand span { color: var(--accent-soft); }
.nav-links { display: flex; gap: 1.25rem; }
.nav-links a {
  color: var(--text-dim);
  font-size: 0.9rem;
  font-weight: 500;
  transition: color 0.15s;
}
.nav-links a:hover,
.nav-links a.active { color: var(--accent-soft); text-decoration: none; }

/* ─── Layout ───────────────────────────────────────────────────────────── */
.container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 2rem 1.5rem;
}

/* ─── Filters ──────────────────────────────────────────────────────────── */
.filters {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
  align-items: center;
}
.filters label {
  font-size: 0.8rem;
  color: var(--text-muted);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-right: 0.25rem;
}
.chip {
  display: inline-flex;
  align-items: center;
  padding: 0.3rem 0.75rem;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text-dim);
  font-size: 0.82rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.15s;
  font-family: var(--font);
}
.chip:hover { border-color: var(--accent); color: var(--text); }
.chip.active { background: var(--accent); border-color: var(--accent); color: #fff; }

/* ─── Cards ────────────────────────────────────────────────────────────── */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem 1.5rem;
  margin-bottom: 1rem;
  transition: border-color 0.15s, background 0.15s;
}
.card:hover { border-color: var(--accent); background: var(--bg-hover); }

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  margin-bottom: 0.5rem;
}
.card-date { font-weight: 700; font-size: 1.05rem; }
.card-model {
  font-size: 0.78rem;
  background: rgba(99, 102, 241, 0.15);
  color: var(--accent-soft);
  padding: 0.15rem 0.55rem;
  border-radius: 999px;
  font-weight: 600;
}
.card-meta {
  font-size: 0.82rem;
  color: var(--text-muted);
  margin-bottom: 0.75rem;
}
.card-meta span { margin-right: 0.75rem; }

.narratives { list-style: none; padding: 0; }
.narratives li {
  padding: 0.25rem 0;
  font-size: 0.9rem;
  color: var(--text-dim);
}
.narratives li::before {
  content: '•';
  color: var(--accent);
  margin-right: 0.5rem;
  font-weight: 700;
}

.card-link {
  display: inline-block;
  margin-top: 0.75rem;
  font-size: 0.88rem;
  font-weight: 600;
}

/* ─── Buttons ──────────────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.45rem 1rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--bg-card);
  color: var(--text-dim);
  font-size: 0.85rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.15s;
  font-family: var(--font);
}
.btn:hover { border-color: var(--accent); color: var(--text); }
.btn-accent {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}
.btn-accent:hover { background: var(--accent-soft); border-color: var(--accent-soft); }

.load-more {
  display: block;
  margin: 1.5rem auto;
  padding: 0.6rem 2rem;
  font-size: 0.9rem;
}

/* ─── Stat Cards ───────────────────────────────────────────────────────── */
.stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 1rem;
  margin-bottom: 2rem;
}
.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem;
  text-align: center;
}
.stat-value {
  font-size: 2rem;
  font-weight: 800;
  color: var(--accent-soft);
  line-height: 1.2;
}
.stat-label {
  font-size: 0.78rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-top: 0.25rem;
}

/* ─── Charts ───────────────────────────────────────────────────────────── */
.chart-container {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  margin-bottom: 1.5rem;
}
.chart-title {
  font-size: 0.95rem;
  font-weight: 700;
  margin-bottom: 1rem;
  color: var(--text);
}

/* ─── Tables ───────────────────────────────────────────────────────────── */
.table-wrap {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  margin-bottom: 1.5rem;
}
.table-wrap table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.88rem;
}
.table-wrap th,
.table-wrap td {
  padding: 0.65rem 1rem;
  text-align: left;
}
.table-wrap th {
  background: rgba(99, 102, 241, 0.08);
  font-weight: 600;
  color: var(--text-dim);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  border-bottom: 1px solid var(--border);
}
.table-wrap td {
  border-bottom: 1px solid var(--border);
  color: var(--text-dim);
}
.table-wrap tr:last-child td { border-bottom: none; }
.table-wrap tr:hover td { background: var(--bg-hover); }

/* ─── Report Markdown ──────────────────────────────────────────────────── */
.report-header {
  margin-bottom: 1.5rem;
}
.report-header h1 {
  font-size: 1.5rem;
  font-weight: 800;
  margin-bottom: 0.5rem;
}
.report-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.25rem;
  font-size: 0.85rem;
  color: var(--text-muted);
}
.report-meta span { display: inline-flex; align-items: center; gap: 0.25rem; }

.markdown-body {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2rem;
  line-height: 1.75;
}
.markdown-body h1 { font-size: 1.4rem; margin: 1.5rem 0 0.75rem; border-bottom: 1px solid var(--border); padding-bottom: 0.5rem; }
.markdown-body h2 { font-size: 1.2rem; margin: 1.5rem 0 0.75rem; color: var(--accent-soft); }
.markdown-body h3 { font-size: 1.05rem; margin: 1rem 0 0.5rem; }
.markdown-body p { margin: 0.5rem 0; color: var(--text-dim); }
.markdown-body strong { color: var(--text); }
.markdown-body ul, .markdown-body ol { margin: 0.5rem 0 0.5rem 1.25rem; }
.markdown-body li { margin: 0.25rem 0; color: var(--text-dim); }
.markdown-body blockquote {
  border-left: 3px solid var(--accent);
  padding: 0.5rem 1rem;
  margin: 0.75rem 0;
  color: var(--text-dim);
  background: rgba(99, 102, 241, 0.04);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}
.markdown-body table {
  width: 100%;
  border-collapse: collapse;
  margin: 0.75rem 0;
  font-size: 0.88rem;
}
.markdown-body th,
.markdown-body td {
  padding: 0.5rem 0.75rem;
  border: 1px solid var(--border);
  text-align: left;
}
.markdown-body th {
  background: rgba(99, 102, 241, 0.08);
  font-weight: 600;
  color: var(--text);
}
.markdown-body td { color: var(--text-dim); }
.markdown-body hr { border: none; border-top: 1px solid var(--border); margin: 1.5rem 0; }
.story-link { color: var(--text); text-decoration: none; }
.story-link:hover { color: var(--accent-soft); text-decoration: underline; }
.story-link::after {
  content: ' ↗';
  font-size: 0.8em;
  opacity: 0.6;
}

.markdown-body code {
  background: rgba(99, 102, 241, 0.12);
  padding: 0.15rem 0.4rem;
  border-radius: 4px;
  font-family: var(--mono);
  font-size: 0.85em;
}
.markdown-body pre {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 1rem;
  overflow-x: auto;
  margin: 0.75rem 0;
}
.markdown-body pre code { background: none; padding: 0; }

.report-actions {
  display: flex;
  gap: 0.75rem;
  margin-top: 1rem;
  flex-wrap: wrap;
}

.report-nav {
  display: flex;
  justify-content: space-between;
  margin-top: 1.5rem;
}

/* ─── Feed Browser ─────────────────────────────────────────────────────── */
.search-bar {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 1rem;
  flex-wrap: wrap;
}
.search-bar input {
  flex: 1;
  min-width: 200px;
  padding: 0.5rem 0.85rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--bg-input);
  color: var(--text);
  font-size: 0.9rem;
  font-family: var(--font);
  outline: none;
  transition: border-color 0.15s;
}
.search-bar input::placeholder { color: var(--text-muted); }
.search-bar input:focus { border-color: var(--accent); }

.search-bar select {
  padding: 0.5rem 0.85rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--bg-input);
  color: var(--text-dim);
  font-size: 0.85rem;
  font-family: var(--font);
  outline: none;
  cursor: pointer;
}
.search-bar select:focus { border-color: var(--accent); }

.feed-count {
  font-size: 0.82rem;
  color: var(--text-muted);
  margin-bottom: 1rem;
}

.feed-item {
  display: grid;
  grid-template-columns: 80px auto 1fr auto;
  gap: 0.75rem;
  align-items: start;
  padding: 1rem 1.25rem;
  border-bottom: 1px solid var(--border);
  transition: background 0.1s;
}
.feed-item:hover { background: var(--bg-hover); }
.feed-item:last-child { border-bottom: none; }

.feed-date {
  font-size: 0.78rem;
  color: var(--text-muted);
  font-weight: 600;
  padding-top: 0.15rem;
}
.feed-source {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-dim);
  white-space: nowrap;
}
.source-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  display: inline-block;
  flex-shrink: 0;
}
.feed-content { min-width: 0; }
.feed-title {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 0.15rem;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.feed-category {
  display: inline-block;
  font-size: 0.72rem;
  color: var(--text-muted);
  background: rgba(99, 102, 241, 0.08);
  padding: 0.1rem 0.45rem;
  border-radius: 999px;
  margin-top: 0.25rem;
}
.feed-ext {
  display: flex;
  align-items: center;
  font-size: 1.1rem;
  color: var(--text-muted);
  transition: color 0.15s;
}
.feed-ext:hover { color: var(--accent-soft); }

/* ─── Source Health ────────────────────────────────────────────────────── */
.health-indicator {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.85rem;
}
.health-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  display: inline-block;
}
.health-dot.green { background: var(--green); }
.health-dot.yellow { background: var(--yellow); }
.health-dot.red { background: var(--red); }

/* ─── Loader / Empty ──────────────────────────────────────────────────── */
.loader {
  text-align: center;
  padding: 3rem;
  color: var(--text-muted);
  font-size: 0.9rem;
}
.loader::after {
  content: '';
  display: inline-block;
  width: 18px; height: 18px;
  border: 2px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
  margin-left: 0.5rem;
  vertical-align: middle;
}
@keyframes spin { to { transform: rotate(360deg); } }

.empty {
  text-align: center;
  padding: 3rem 1rem;
  color: var(--text-muted);
}
.empty-icon { font-size: 2rem; margin-bottom: 0.75rem; }
.empty-text { font-size: 0.95rem; }

/* ─── Toast ────────────────────────────────────────────────────────────── */
.toast {
  position: fixed;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%) translateY(100px);
  background: var(--accent);
  color: #fff;
  padding: 0.6rem 1.25rem;
  border-radius: var(--radius-sm);
  font-size: 0.88rem;
  font-weight: 500;
  pointer-events: none;
  opacity: 0;
  transition: all 0.3s;
  z-index: 1000;
}
.toast.show {
  transform: translateX(-50%) translateY(0);
  opacity: 1;
}

/* ─── Responsive ──────────────────────────────────────────────────────── */
@media (max-width: 700px) {
  .nav-inner { flex-direction: column; align-items: flex-start; }
  .feed-item {
    grid-template-columns: 1fr;
    gap: 0.35rem;
  }
  .feed-date, .feed-source { font-size: 0.78rem; }
  .stat-grid { grid-template-columns: repeat(2, 1fr); }
  .container { padding: 1.25rem 1rem; }
  .markdown-body { padding: 1.25rem; }
  .report-nav { flex-direction: column; gap: 0.5rem; }
}