/* ============================================================
   Design tokens — light by default, dark via [data-theme="dark"]
   ============================================================ */
:root {
  color-scheme: light;
  --surface: #fcfcfb;
  --surface-raised: #ffffff;
  --page: #f9f9f7;
  --text-primary: #0b0b0b;
  --text-secondary: #52514e;
  --text-muted: #898781;
  --gridline: #e1e0d9;
  --border: rgba(11, 11, 11, 0.10);
  --baseline: #c3c2b7;

  --accent: #2a78d6;
  --accent-aqua: #1baf7a;
  --accent-soft: rgba(42, 120, 214, 0.08);
  --accent-ring: rgba(42, 120, 214, 0.18);

  --good: #0ca30c;
  --warning: #fab219;
  --serious: #ec835a;
  --critical: #d03b3b;

  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --shadow-sm: 0 1px 2px rgba(11, 11, 11, 0.05), 0 1px 1px rgba(11, 11, 11, 0.03);
  --shadow-md: 0 8px 24px rgba(11, 11, 11, 0.06), 0 2px 6px rgba(11, 11, 11, 0.04);

  --font-sans: system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-mono: ui-monospace, "SF Mono", "Cascadia Code", Consolas, monospace;
}

[data-theme="dark"] {
  color-scheme: dark;
  --surface: #1a1a19;
  --surface-raised: #221f1f;
  --page: #0d0d0d;
  --text-primary: #ffffff;
  --text-secondary: #c3c2b7;
  --text-muted: #8f8d86;
  --gridline: #2c2c2a;
  --border: rgba(255, 255, 255, 0.10);
  --baseline: #383835;

  --accent: #3987e5;
  --accent-aqua: #199e70;
  --accent-soft: rgba(57, 135, 229, 0.14);
  --accent-ring: rgba(57, 135, 229, 0.30);

  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.35);
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--page);
  color: var(--text-primary);
  font-family: var(--font-sans);
  -webkit-font-smoothing: antialiased;
}

body { min-height: 100vh; }

a { color: inherit; }

::selection { background: var(--accent-soft); }

/* ============================================================
   Nav / header
   ============================================================ */
.site-nav {
  position: sticky;
  top: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 12px 24px;
  background: color-mix(in srgb, var(--surface) 88%, transparent);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}

.brand {
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: -0.01em;
  white-space: nowrap;
  text-decoration: none;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 8px;
}

.brand-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
  flex-shrink: 0;
}

.nav-links {
  display: flex;
  gap: 4px;
  margin-left: 4px;
}

.nav-links a {
  font-size: 0.85rem;
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  text-decoration: none;
  color: var(--text-secondary);
  transition: background 0.15s, color 0.15s;
}

.nav-links a:hover { background: var(--accent-soft); color: var(--text-primary); }

.nav-spacer { flex: 1; }

.theme-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: var(--surface-raised);
  color: var(--text-secondary);
  cursor: pointer;
  flex-shrink: 0;
  transition: background 0.15s, transform 0.1s;
}

.theme-toggle:hover { background: var(--accent-soft); color: var(--text-primary); }
.theme-toggle:active { transform: scale(0.94); }
.theme-toggle svg { width: 18px; height: 18px; }
.theme-toggle .icon-moon { display: none; }
[data-theme="dark"] .theme-toggle .icon-sun { display: none; }
[data-theme="dark"] .theme-toggle .icon-moon { display: block; }

/* ============================================================
   Predictive search
   ============================================================ */
.search-wrapper {
  position: relative;
  width: 100%;
  max-width: 380px;
}

.search-icon {
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  pointer-events: none;
  color: var(--text-muted);
  font-size: 0.95rem;
  z-index: 2;
}

#searchInput {
  width: 100%;
  height: 38px;
  padding: 0 74px 0 36px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--surface-raised);
  color: var(--text-primary);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  outline: none;
  transition: border-color 0.15s, box-shadow 0.15s;
}

#searchInput::placeholder { color: var(--text-muted); }
#searchInput:focus { border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-ring); }

.search-btn {
  position: absolute;
  right: 4px;
  top: 4px;
  height: 30px;
  padding: 0 14px;
  border-radius: 999px;
  border: none;
  background: var(--accent);
  color: #fff;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  cursor: pointer;
  transition: opacity 0.15s;
}

.search-btn:hover { opacity: 0.88; }

.search-wrapper.dropdown-open #searchInput {
  border-bottom-left-radius: 0;
  border-bottom-right-radius: 0;
}

#search-dropdown {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background: var(--surface-raised);
  border: 1px solid var(--border);
  border-top: none;
  border-radius: 0 0 var(--radius-md) var(--radius-md);
  box-shadow: var(--shadow-md);
  max-height: 360px;
  overflow-y: auto;
  list-style: none;
  margin: 0;
  padding: 4px 0;
  z-index: 60;
}

#search-dropdown.open { display: block; }

.sd-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 14px;
  cursor: pointer;
}

.sd-item:hover, .sd-item.active { background: var(--accent-soft); }

.sd-badge {
  min-width: 56px;
  padding: 3px 8px;
  border-radius: 6px;
  background: var(--page);
  border: 1px solid var(--border);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  text-align: center;
  color: var(--text-primary);
}

.sd-name {
  flex: 1;
  font-size: 0.82rem;
  color: var(--text-secondary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.sd-go { color: var(--text-muted); font-size: 0.8rem; }
.sd-empty { padding: 16px; font-size: 0.82rem; color: var(--text-muted); text-align: center; }

mark.sd-hl {
  background: var(--accent-soft);
  color: var(--accent);
  border-radius: 2px;
  padding: 0 1px;
}

/* ============================================================
   Layout / page shell
   ============================================================ */
.page {
  max-width: 1100px;
  margin: 0 auto;
  padding: 28px 24px 64px;
}

.page-narrow { max-width: 760px; }

.grid {
  display: grid;
  gap: 16px;
}

.grid-4 { grid-template-columns: repeat(4, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }

@media (max-width: 760px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
}

/* ============================================================
   Cards / panels
   ============================================================ */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}

.panel-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: 10px;
  padding: 18px 22px 4px;
}

.panel-title {
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: -0.01em;
}

.panel-sub {
  font-size: 0.78rem;
  color: var(--text-muted);
  margin-top: 2px;
}

.panel-body { padding: 12px 22px 22px; }

.tab-row { display: flex; gap: 4px; }

.tab {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 600;
  padding: 5px 12px;
  border-radius: 999px;
  border: 1px solid transparent;
  background: transparent;
  color: var(--text-muted);
  cursor: pointer;
  transition: background 0.15s, color 0.15s;
}

.tab:hover { background: var(--accent-soft); color: var(--text-primary); }
.tab.active { background: var(--accent-soft); color: var(--accent); border-color: var(--accent-ring); }

.legend-row { display: flex; gap: 16px; margin-bottom: 6px; }
.legend-item { display: flex; align-items: center; gap: 6px; font-size: 0.72rem; color: var(--text-muted); }
.legend-dot { width: 8px; height: 8px; border-radius: 50%; }

/* ============================================================
   Stat tiles
   ============================================================ */
.stat-tile {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 14px 16px;
}

.stat-label {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-muted);
}

.stat-value {
  font-size: 1.3rem;
  font-weight: 600;
  margin-top: 4px;
  letter-spacing: -0.01em;
}

.stat-delta {
  display: inline-flex;
  align-items: center;
  gap: 3px;
  font-size: 0.78rem;
  font-weight: 600;
  margin-top: 4px;
}

.delta-up { color: var(--good); }
.delta-down { color: var(--critical); }

.stat-mono { font-family: var(--font-mono); font-size: 1.05rem; }

/* ============================================================
   Movers grid
   ============================================================ */
.mover-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 12px 14px;
  transition: transform 0.12s, box-shadow 0.12s;
}

.mover-card:hover { transform: translateY(-2px); box-shadow: var(--shadow-sm); }
.mover-symbol { font-family: var(--font-mono); font-weight: 700; font-size: 0.9rem; }
.mover-name { font-size: 0.72rem; color: var(--text-muted); margin: 2px 0 8px; }
.mover-price { font-family: var(--font-mono); font-size: 0.95rem; font-weight: 600; }

.mover-pct {
  display: inline-block;
  margin-top: 4px;
  font-size: 0.74rem;
  font-weight: 700;
  padding: 2px 7px;
  border-radius: 999px;
}

.mover-pct.up { color: var(--good); background: color-mix(in srgb, var(--good) 12%, transparent); }
.mover-pct.down { color: var(--critical); background: color-mix(in srgb, var(--critical) 12%, transparent); }

/* ============================================================
   Sentiment badges / status
   ============================================================ */
.sentiment-badge {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: 999px;
  border: 1px solid currentColor;
  white-space: nowrap;
}

.sentiment-badge.bullish { color: var(--good); }
.sentiment-badge.bearish { color: var(--critical); }
.sentiment-badge.neutral { color: var(--text-muted); }

.realtime-spinner {
  display: inline-block;
  width: 14px;
  height: 14px;
  border: 2px solid var(--accent-ring);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

@keyframes spin { to { transform: rotate(360deg); } }

/* ============================================================
   Buttons
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  font-weight: 600;
  padding: 8px 16px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--surface-raised);
  color: var(--text-primary);
  cursor: pointer;
  text-decoration: none;
  transition: background 0.15s, border-color 0.15s, opacity 0.15s;
}

.btn:hover { border-color: var(--accent); color: var(--accent); }
.btn:disabled { opacity: 0.5; cursor: default; }

.btn-primary { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn-primary:hover { opacity: 0.9; color: #fff; }

/* ============================================================
   News feed
   ============================================================ */
.news-item {
  padding: 12px 14px;
  margin-bottom: 8px;
  border-radius: var(--radius-sm);
  border-left: 3px solid var(--border);
  background: var(--surface-raised);
  transition: background 0.15s;
}

.news-item:hover { background: var(--accent-soft); }

.article-link {
  color: var(--text-primary);
  text-decoration: none;
  font-size: 0.86rem;
  font-weight: 500;
  line-height: 1.4;
}

.article-link:hover { color: var(--accent); }

.article-meta { font-size: 0.72rem; color: var(--text-muted); margin-top: 5px; }

.news-pagination {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 14px;
  padding-top: 14px;
  border-top: 1px solid var(--border);
  font-size: 0.78rem;
}

.news-pagination-controls {
  display: flex;
  align-items: center;
  gap: 8px;
}

.page-size-select {
  font-family: var(--font-mono);
  font-size: 0.76rem;
  padding: 6px 10px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--surface-raised);
  color: var(--text-primary);
  cursor: pointer;
}

/* ============================================================
   Loader
   ============================================================ */
.loader {
  border: 3px solid var(--border);
  border-top: 3px solid var(--accent);
  border-radius: 50%;
  width: 30px;
  height: 30px;
  animation: spin 0.8s linear infinite;
  display: none;
  margin: 16px auto;
}

/* ============================================================
   Footer
   ============================================================ */
.site-footer {
  max-width: 1100px;
  margin: 0 auto;
  padding: 32px 24px 48px;
  border-top: 1px solid var(--border);
  color: var(--text-muted);
  font-size: 0.8rem;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}

.site-footer a { color: var(--text-secondary); text-decoration: none; }
.site-footer a:hover { color: var(--accent); }

/* ============================================================
   Misc
   ============================================================ */
.text-muted { color: var(--text-muted); }
.mono { font-family: var(--font-mono); }
canvas { max-width: 100%; }