:root {
  --bg: #0a0c10;
  --bg2: #0f1318;
  --bg3: #151b22;
  --bg4: #1c242e;
  --border: #1e2d3d;
  --border2: #253545;
  --text: #c9d1d9;
  --text-dim: #8b949e;
  --text-bright: #f0f6fc;
  --accent: #00d4ff;
  --accent2: #0094b3;
  --green: #3fb950;
  --yellow: #d29922;
  --red: #f85149;
  --purple: #bc8cff;
  --orange: #e3a03b;
  --radius: 6px;
  --radius2: 10px;
  --font: 'SF Mono', 'Fira Code', 'Cascadia Code', monospace;
  --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

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

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
  font-size: 13px;
  line-height: 1.6;
  min-height: 100vh;
}

/* ---- HEADER ---- */
.header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 24px;
  background: var(--bg2);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-left { display: flex; align-items: center; gap: 16px; }
.header-right { display: flex; align-items: center; gap: 16px; }

.logo { display: flex; align-items: center; gap: 8px; }
.logo-icon { font-size: 22px; color: var(--accent); filter: drop-shadow(0 0 8px var(--accent)); }
.logo-text {
  font-family: var(--font);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 2px;
  color: var(--text-bright);
}

.header-badges { display: flex; gap: 8px; align-items: center; }

.badge {
  padding: 2px 8px;
  border-radius: 3px;
  font-size: 10px;
  font-family: var(--font);
  font-weight: 600;
  letter-spacing: 0.5px;
}

.badge-live {
  background: rgba(63, 185, 80, 0.15);
  color: var(--green);
  border: 1px solid rgba(63, 185, 80, 0.3);
  animation: pulse-live 2s infinite;
}

@keyframes pulse-live {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.6; }
}

.badge-source {
  background: rgba(0, 212, 255, 0.08);
  color: var(--accent);
  border: 1px solid rgba(0, 212, 255, 0.2);
}

.heat-meter {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
}
.heat-label { font-size: 9px; color: var(--text-dim); letter-spacing: 1px; text-transform: uppercase; }
.heat-value { font-family: var(--font); font-size: 22px; font-weight: 700; color: var(--accent); line-height: 1; }

.refresh-info { font-size: 11px; color: var(--text-dim); font-family: var(--font); }

/* ---- TABS ---- */
.tab-nav {
  display: flex;
  gap: 0;
  background: var(--bg2);
  border-bottom: 1px solid var(--border);
  padding: 0 24px;
}

.tab-btn {
  background: none;
  border: none;
  color: var(--text-dim);
  padding: 10px 18px;
  font-size: 12px;
  font-family: var(--font-sans);
  font-weight: 500;
  cursor: pointer;
  border-bottom: 2px solid transparent;
  transition: all 0.15s;
  letter-spacing: 0.3px;
}

.tab-btn:hover { color: var(--text-bright); }
.tab-btn.active { color: var(--accent); border-bottom-color: var(--accent); }

/* ---- MAIN ---- */
.main-content { padding: 24px; max-width: 1400px; margin: 0 auto; }

.tab-pane { display: none; }
.tab-pane.active { display: block; }

/* ---- OVERVIEW ---- */
.overview-grid {
  display: grid;
  gap: 20px;
}

.stat-cards {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.stat-card {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius2);
  padding: 16px 20px;
  transition: border-color 0.15s;
}

.stat-card:hover { border-color: var(--border2); }

.highlight-card {
  border-color: rgba(0, 212, 255, 0.25);
  background: linear-gradient(135deg, var(--bg2), rgba(0, 212, 255, 0.04));
}

.stat-label { font-size: 10px; color: var(--text-dim); text-transform: uppercase; letter-spacing: 1px; margin-bottom: 6px; }
.stat-value { font-family: var(--font); font-size: 28px; font-weight: 700; color: var(--text-bright); line-height: 1; margin-bottom: 4px; }
.stat-sub { font-size: 11px; color: var(--text-dim); }

.overview-panels {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 16px;
}

/* ---- PANELS ---- */
.panel {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius2);
  overflow: hidden;
}

.panel-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
  background: var(--bg3);
}

.panel-title { font-size: 11px; font-weight: 600; color: var(--text-bright); text-transform: uppercase; letter-spacing: 0.8px; }
.panel-badge { font-size: 10px; padding: 2px 8px; border-radius: 3px; background: var(--bg4); color: var(--accent); font-family: var(--font); }
.panel-link { font-size: 11px; color: var(--accent); text-decoration: none; cursor: pointer; }
.panel-link:hover { text-decoration: underline; }

.panel-body { padding: 12px 16px; }

.sources-panel { margin-top: 4px; }

/* ---- BUTTONS ---- */
.btn {
  background: var(--accent2);
  color: #fff;
  border: none;
  padding: 7px 14px;
  border-radius: var(--radius);
  font-size: 12px;
  font-weight: 500;
  cursor: pointer;
  transition: background 0.15s;
}

.btn:hover { background: var(--accent); }
.btn-sm { padding: 4px 10px; font-size: 11px; }
.btn-refresh { background: var(--bg3); border: 1px solid var(--border2); color: var(--text-dim); }
.btn-refresh:hover { color: var(--text-bright); background: var(--bg4); }

/* ---- TABLE ---- */
.tab-toolbar {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 16px;
}

.search-input {
  background: var(--bg2);
  border: 1px solid var(--border);
  color: var(--text-bright);
  padding: 8px 14px;
  border-radius: var(--radius);
  font-size: 12px;
  width: 300px;
  transition: border-color 0.15s;
}

.search-input:focus {
  outline: none;
  border-color: var(--accent);
}

.toolbar-stats { font-size: 11px; color: var(--text-dim); margin-left: auto; }

.table-wrapper {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius2);
  overflow-x: auto;
}

.data-table {
  width: 100%;
  border-collapse: collapse;
}

.data-table th {
  background: var(--bg3);
  padding: 10px 16px;
  text-align: left;
  font-size: 10px;
  font-weight: 600;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.8px;
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}

.data-table td {
  padding: 10px 16px;
  border-bottom: 1px solid rgba(30, 45, 61, 0.5);
  font-size: 12px;
  vertical-align: middle;
}

.data-table tr:last-child td { border-bottom: none; }
.data-table tr:hover td { background: rgba(255,255,255,0.02); }

.loading-cell { text-align: center; padding: 40px; }

/* ---- TAGS ---- */
.tag {
  display: inline-block;
  padding: 2px 6px;
  border-radius: 3px;
  font-size: 10px;
  font-family: var(--font);
  font-weight: 500;
  margin: 1px;
}

.tag-ai { background: rgba(0, 212, 255, 0.1); color: var(--accent); }
.tag-company { background: rgba(188, 140, 255, 0.1); color: var(--purple); }
.tag-semi { background: rgba(63, 185, 80, 0.1); color: var(--green); }
.tag-default { background: rgba(139, 148, 158, 0.1); color: var(--text-dim); }

/* ---- RELEVANCE BAR ---- */
.relevance-bar {
  height: 4px;
  border-radius: 2px;
  background: var(--bg4);
  width: 60px;
  overflow: hidden;
}

.relevance-fill {
  height: 100%;
  border-radius: 2px;
  background: linear-gradient(90deg, var(--accent2), var(--accent));
}

/* ---- NEWS GRID ---- */
.news-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 16px;
  margin-bottom: 20px;
}

.news-card {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius2);
  padding: 16px;
  transition: border-color 0.15s, transform 0.1s;
}

.news-card:hover { border-color: var(--border2); transform: translateY(-1px); }

.news-source {
  font-size: 10px;
  color: var(--text-dim);
  font-family: var(--font);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 6px;
  display: flex;
  justify-content: space-between;
}

.news-title {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-bright);
  margin-bottom: 8px;
  line-height: 1.4;
}

.news-title a { color: inherit; text-decoration: none; }
.news-title a:hover { color: var(--accent); }

.news-desc { font-size: 12px; color: var(--text-dim); line-height: 1.5; }

.news-footer {
  margin-top: 10px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.news-tag { font-size: 10px; padding: 2px 6px; border-radius: 3px; background: rgba(0,212,255,0.08); color: var(--accent); }
.news-age { font-size: 10px; color: var(--text-dim); font-family: var(--font); }

/* ---- TOPIC FILTERS ---- */
.topic-filters { display: flex; gap: 8px; flex-wrap: wrap; }

.topic-btn {
  background: var(--bg3);
  border: 1px solid var(--border);
  color: var(--text-dim);
  padding: 4px 10px;
  border-radius: 14px;
  font-size: 11px;
  cursor: pointer;
  transition: all 0.15s;
}

.topic-btn:hover, .topic-btn.active {
  background: rgba(0,212,255,0.1);
  border-color: var(--accent);
  color: var(--accent);
}

/* ---- SIGNALS ---- */
.signals-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
}

.signals-desc { font-size: 12px; color: var(--text-dim); }

.signals-list { display: flex; flex-direction: column; gap: 12px; }

.signal-card {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius2);
  padding: 16px 20px;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 12px;
  align-items: start;
  transition: border-color 0.15s;
}

.signal-card:hover { border-color: var(--border2); }

.signal-card.high { border-left: 3px solid var(--accent); }
.signal-card.medium { border-left: 3px solid var(--yellow); }
.signal-card.low { border-left: 3px solid var(--text-dim); }

.signal-type {
  font-size: 9px;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-dim);
  font-family: var(--font);
  margin-bottom: 4px;
}

.signal-summary { font-size: 13px; color: var(--text-bright); line-height: 1.5; }
.signal-entity { font-size: 11px; color: var(--accent); margin-top: 4px; font-family: var(--font); }
.signal-time { font-size: 10px; color: var(--text-dim); font-family: var(--font); margin-top: 6px; }

.confidence-badge {
  font-family: var(--font);
  font-size: 18px;
  font-weight: 700;
  padding: 8px 12px;
  border-radius: var(--radius);
  text-align: center;
  min-width: 52px;
}

.confidence-high { background: rgba(0,212,255,0.1); color: var(--accent); }
.confidence-medium { background: rgba(210,153,34,0.1); color: var(--yellow); }
.confidence-low { background: rgba(139,148,158,0.1); color: var(--text-dim); }

/* ---- WATCHLIST ---- */
.watchlist-add-panel { margin-bottom: 20px; }

.add-form {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  align-items: center;
}

.form-input, .form-select {
  background: var(--bg);
  border: 1px solid var(--border);
  color: var(--text-bright);
  padding: 7px 12px;
  border-radius: var(--radius);
  font-size: 12px;
  transition: border-color 0.15s;
}

.form-input:focus, .form-select:focus {
  outline: none;
  border-color: var(--accent);
}

.form-input { flex: 1; min-width: 160px; }
.form-select option { background: var(--bg3); }

.watchlist-items {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 14px;
}

.wl-card {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius2);
  padding: 16px;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
}

.wl-card-info { flex: 1; }
.wl-company { font-size: 14px; font-weight: 600; color: var(--text-bright); margin-bottom: 4px; }
.wl-sector { font-size: 11px; color: var(--text-dim); margin-bottom: 6px; }
.wl-notes { font-size: 11px; color: var(--text-dim); font-style: italic; }

.status-badge {
  font-size: 10px;
  padding: 3px 8px;
  border-radius: 3px;
  font-weight: 600;
  font-family: var(--font);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.status-pre-ipo { background: rgba(210,153,34,0.15); color: var(--yellow); }
.status-filed { background: rgba(0,212,255,0.15); color: var(--accent); }
.status-trading { background: rgba(63,185,80,0.15); color: var(--green); }
.status-acquired { background: rgba(188,140,255,0.15); color: var(--purple); }
.status-unknown { background: rgba(139,148,158,0.1); color: var(--text-dim); }

.wl-delete {
  background: none;
  border: none;
  color: var(--text-dim);
  cursor: pointer;
  font-size: 14px;
  padding: 2px 6px;
  border-radius: var(--radius);
  transition: color 0.15s;
}
.wl-delete:hover { color: var(--red); }

/* ---- SOURCES ---- */
.source-row {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 0;
  border-bottom: 1px solid rgba(30,45,61,0.5);
}
.source-row:last-child { border-bottom: none; }
.source-dot { width: 8px; height: 8px; border-radius: 50%; flex-shrink: 0; }
.source-dot.ok { background: var(--green); box-shadow: 0 0 6px var(--green); }
.source-dot.warn { background: var(--yellow); }
.source-dot.err { background: var(--red); }
.source-name { font-weight: 600; color: var(--text-bright); font-size: 12px; }
.source-desc { font-size: 11px; color: var(--text-dim); }
.source-refresh { font-size: 10px; color: var(--text-dim); font-family: var(--font); margin-left: auto; }

/* ---- FILING DETAIL ROW ---- */
.entity-name { font-weight: 600; color: var(--text-bright); }
.form-badge {
  font-family: var(--font);
  font-size: 10px;
  padding: 2px 6px;
  border-radius: 3px;
  font-weight: 600;
}
.form-s1 { background: rgba(0,212,255,0.1); color: var(--accent); }
.form-s1a { background: rgba(188,140,255,0.1); color: var(--purple); }

.link-btn {
  background: none;
  border: 1px solid var(--border);
  color: var(--text-dim);
  padding: 3px 8px;
  border-radius: var(--radius);
  font-size: 10px;
  cursor: pointer;
  transition: all 0.15s;
  font-family: var(--font);
}
.link-btn:hover { border-color: var(--accent); color: var(--accent); }

/* ---- PAGINATION ---- */
.pagination {
  display: flex;
  gap: 6px;
  justify-content: center;
  margin-top: 20px;
}

.page-btn {
  background: var(--bg2);
  border: 1px solid var(--border);
  color: var(--text-dim);
  padding: 5px 10px;
  border-radius: var(--radius);
  font-size: 12px;
  cursor: pointer;
  transition: all 0.15s;
  font-family: var(--font);
}
.page-btn:hover, .page-btn.active { border-color: var(--accent); color: var(--accent); background: rgba(0,212,255,0.06); }

/* ---- MISC ---- */
.empty-state { text-align: center; color: var(--text-dim); font-size: 12px; padding: 20px; }

.loading-spinner {
  width: 24px; height: 24px;
  border: 2px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  margin: 20px auto;
}

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

.unavailable-notice {
  background: rgba(210,153,34,0.08);
  border: 1px solid rgba(210,153,34,0.25);
  border-radius: var(--radius);
  padding: 10px 14px;
  font-size: 12px;
  color: var(--yellow);
  margin-bottom: 16px;
}

/* ---- MODAL ---- */
.modal-overlay {
  position: fixed; inset: 0;
  background: rgba(0,0,0,0.7);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
}
.modal-overlay.hidden { display: none; }

.modal {
  background: var(--bg2);
  border: 1px solid var(--border2);
  border-radius: var(--radius2);
  padding: 24px;
  max-width: 540px;
  width: 90%;
  position: relative;
}

.modal-close {
  position: absolute;
  top: 12px; right: 12px;
  background: none;
  border: none;
  color: var(--text-dim);
  font-size: 16px;
  cursor: pointer;
}
.modal-close:hover { color: var(--text-bright); }
.modal-body { font-size: 13px; }
.modal-body h3 { color: var(--text-bright); margin-bottom: 12px; }
.modal-body p { color: var(--text-dim); margin-bottom: 8px; }
.modal-body a { color: var(--accent); }

/* ---- RESPONSIVE ---- */
@media (max-width: 900px) {
  .stat-cards { grid-template-columns: repeat(2, 1fr); }
  .overview-panels { grid-template-columns: 1fr; }
  .news-grid { grid-template-columns: 1fr; }
}

@media (max-width: 600px) {
  .header { flex-direction: column; gap: 10px; }
  .stat-cards { grid-template-columns: 1fr 1fr; }
  .main-content { padding: 14px; }
  .tab-btn { padding: 8px 12px; font-size: 11px; }
  .search-input { width: 100%; }
  .add-form { flex-direction: column; }
}