:root {
  --bg-primary: #0d1117;
  --bg-secondary: #161b22;
  --bg-tertiary: #21262d;
  --border: #30363d;
  --text-primary: #e6edf3;
  --text-secondary: #8b949e;
  --text-muted: #6e7681;
  --accent: #58a6ff;
  --green: #3fb950;
  --red: #f85149;
  --yellow: #d29922;
  --orange: #db6d28;
  --font: -apple-system, BlinkMacSystemFont, 'Segoe UI', Helvetica, Arial, sans-serif;
  --mono: 'SF Mono', 'Fira Code', monospace;
}

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

body {
  font-family: var(--font);
  background: var(--bg-primary);
  color: var(--text-primary);
  min-height: 100vh;
}

/* Header */
header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 24px;
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
}

.logo h1 {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--accent);
}

.tagline {
  font-size: 0.75rem;
  color: var(--text-secondary);
}

nav { display: flex; gap: 8px; }

.nav-btn {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-secondary);
  padding: 6px 16px;
  border-radius: 6px;
  cursor: pointer;
  font-size: 0.85rem;
  transition: all 0.15s;
}

.nav-btn:hover { color: var(--text-primary); border-color: var(--text-secondary); }
.nav-btn.active { background: var(--accent); color: #fff; border-color: var(--accent); }

/* Main */
main { padding: 20px 24px; position: relative; }

.view { display: none; }
.view.active { display: block; }

/* Toolbar */
.toolbar {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
  flex-wrap: wrap;
}

.primary-btn {
  background: var(--accent);
  color: #fff;
  border: none;
  padding: 8px 20px;
  border-radius: 6px;
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  transition: opacity 0.15s;
}

.primary-btn:hover { opacity: 0.85; }
.primary-btn:disabled { opacity: 0.5; cursor: not-allowed; }

.filters { display: flex; gap: 8px; }

.filters select {
  background: var(--bg-tertiary);
  color: var(--text-primary);
  border: 1px solid var(--border);
  padding: 6px 10px;
  border-radius: 6px;
  font-size: 0.85rem;
}

.status-text {
  font-size: 0.8rem;
  color: var(--text-secondary);
  margin-left: auto;
}

/* Table */
.table-container { overflow-x: auto; }

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.85rem;
}

thead th {
  background: var(--bg-secondary);
  padding: 10px 12px;
  text-align: left;
  font-weight: 600;
  color: var(--text-secondary);
  border-bottom: 1px solid var(--border);
  cursor: pointer;
  user-select: none;
  white-space: nowrap;
}

thead th:hover { color: var(--text-primary); }
thead th.num { text-align: right; }
thead th.action-col { cursor: default; width: 40px; }

tbody td {
  padding: 10px 12px;
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}

tbody td.num { text-align: right; font-family: var(--mono); font-size: 0.8rem; }

tbody tr { cursor: pointer; transition: background 0.1s; }
tbody tr:hover { background: var(--bg-secondary); }
tbody tr.empty-row { cursor: default; }
tbody tr.empty-row:hover { background: transparent; }
tbody tr.empty-row td { text-align: center; color: var(--text-muted); padding: 40px; }

/* Score pills */
.score-pill {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 10px;
  font-weight: 600;
  font-size: 0.78rem;
  font-family: var(--mono);
  min-width: 38px;
  text-align: center;
}

.score-high { background: rgba(63, 185, 80, 0.2); color: var(--green); }
.score-mid { background: rgba(210, 153, 34, 0.2); color: var(--yellow); }
.score-low { background: rgba(248, 81, 73, 0.2); color: var(--red); }

/* Signal badges */
.signal-badge {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 10px;
  font-weight: 600;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.3px;
}

.signal-strong-buy { background: rgba(63, 185, 80, 0.25); color: var(--green); }
.signal-buy { background: rgba(63, 185, 80, 0.15); color: #7ee787; }
.signal-hold { background: rgba(210, 153, 34, 0.2); color: var(--yellow); }
.signal-sell { background: rgba(248, 81, 73, 0.15); color: #ffa198; }
.signal-strong-sell { background: rgba(248, 81, 73, 0.25); color: var(--red); }

/* Change % */
.change-positive { color: var(--green); }
.change-negative { color: var(--red); }

/* Star button */
.star-btn {
  background: none;
  border: none;
  cursor: pointer;
  font-size: 1.1rem;
  color: var(--text-muted);
  transition: color 0.15s;
  padding: 2px;
}

.star-btn:hover { color: var(--yellow); }
.star-btn.starred { color: var(--yellow); }

/* Detail Panel */
.detail-panel {
  position: fixed;
  top: 0;
  right: 0;
  width: 520px;
  height: 100vh;
  background: var(--bg-secondary);
  border-left: 1px solid var(--border);
  z-index: 200;
  overflow-y: auto;
  transform: translateX(0);
  transition: transform 0.2s ease;
}

.detail-panel.hidden { transform: translateX(100%); pointer-events: none; }

.detail-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px;
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  background: var(--bg-secondary);
}

.detail-header h2 { font-size: 1.4rem; color: var(--accent); }
.detail-subtext { font-size: 0.85rem; color: var(--text-secondary); }

.close-btn {
  background: none;
  border: none;
  color: var(--text-secondary);
  font-size: 1.5rem;
  cursor: pointer;
  padding: 4px 8px;
}

.close-btn:hover { color: var(--text-primary); }

.detail-body { padding: 20px; }

.chart-container {
  width: 100%;
  height: 250px;
  margin-bottom: 20px;
  border-radius: 8px;
  overflow: hidden;
  background: var(--bg-primary);
}

/* Score gauges */
.scores-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  margin-bottom: 20px;
}

.score-gauge {
  background: var(--bg-primary);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 12px;
  text-align: center;
}

.gauge-value {
  font-size: 1.6rem;
  font-weight: 700;
  font-family: var(--mono);
}

.gauge-label {
  font-size: 0.7rem;
  color: var(--text-secondary);
  margin-top: 4px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* Detail sections */
.detail-sections { display: flex; flex-direction: column; gap: 20px; }

.detail-section h3 {
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin-bottom: 10px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.info-table { font-size: 0.82rem; }
.info-table td { padding: 6px 10px; border-bottom: 1px solid var(--border); }
.info-table td:first-child { color: var(--text-secondary); }
.info-table td:last-child { text-align: right; font-family: var(--mono); }

.news-list { list-style: none; }

.news-list li {
  padding: 8px 0;
  border-bottom: 1px solid var(--border);
  font-size: 0.82rem;
}

.news-list li a {
  color: var(--text-primary);
  text-decoration: none;
}

.news-list li a:hover { color: var(--accent); }

.news-positive { border-left: 3px solid var(--green); padding-left: 8px; }
.news-negative { border-left: 3px solid var(--red); padding-left: 8px; }
.news-neutral { border-left: 3px solid var(--border); padding-left: 8px; }

/* Pagination */
.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  padding: 16px 0;
}

.pagination.hidden { display: none; }

.page-btn {
  background: var(--bg-tertiary);
  color: var(--text-primary);
  border: 1px solid var(--border);
  padding: 6px 16px;
  border-radius: 6px;
  font-size: 0.85rem;
  cursor: pointer;
  transition: all 0.15s;
}

.page-btn:hover:not(:disabled) {
  border-color: var(--accent);
  color: var(--accent);
}

.page-btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.page-info {
  font-family: var(--mono);
  font-size: 0.8rem;
  color: var(--text-secondary);
}

/* Pre-scan filter disabled state */
.filters select:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

/* Loading spinner */
.spinner {
  display: inline-block;
  width: 16px;
  height: 16px;
  border: 2px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
  vertical-align: middle;
  margin-right: 6px;
}

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

/* Progress bar */
.progress-bar {
  width: 200px;
  height: 4px;
  background: var(--bg-tertiary);
  border-radius: 2px;
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  background: var(--accent);
  transition: width 0.3s;
  border-radius: 2px;
}

/* Auth area */
.auth-area {
  display: flex;
  align-items: center;
  gap: 8px;
}

.btn-sm {
  padding: 5px 12px;
  font-size: 0.8rem;
}

.user-name {
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-right: 4px;
}

.icon-btn {
  background: none;
  border: none;
  cursor: pointer;
  position: relative;
  padding: 4px 8px;
  font-size: 1.1rem;
}

.notif-icon { color: var(--text-secondary); }
.icon-btn:hover .notif-icon { color: var(--text-primary); }

.notif-badge {
  position: absolute;
  top: -2px;
  right: -2px;
  background: var(--red);
  color: #fff;
  font-size: 0.65rem;
  font-weight: 700;
  padding: 1px 5px;
  border-radius: 10px;
  min-width: 16px;
  text-align: center;
}

.notif-badge.hidden { display: none; }

/* Modal */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 300;
}

.modal-overlay.hidden { display: none; }

.modal {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 32px;
  width: 400px;
  max-width: 90vw;
  position: relative;
}

.modal-close {
  position: absolute;
  top: 12px;
  right: 16px;
}

.auth-tabs {
  display: flex;
  gap: 0;
  margin-bottom: 20px;
  border-bottom: 1px solid var(--border);
}

.auth-tab {
  background: none;
  border: none;
  color: var(--text-secondary);
  padding: 8px 20px;
  cursor: pointer;
  font-size: 0.9rem;
  border-bottom: 2px solid transparent;
  transition: all 0.15s;
}

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

.auth-error {
  color: var(--red);
  font-size: 0.85rem;
  min-height: 20px;
  margin-bottom: 8px;
}

.form-group {
  margin-bottom: 16px;
}

.form-group label {
  display: block;
  font-size: 0.8rem;
  color: var(--text-secondary);
  margin-bottom: 4px;
}

.form-group input {
  width: 100%;
  padding: 8px 12px;
  background: var(--bg-primary);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text-primary);
  font-size: 0.9rem;
}

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

.form-btn {
  width: 100%;
  padding: 10px;
  margin-top: 4px;
}

/* OAuth */
.oauth-divider {
  text-align: center;
  margin: 20px 0;
  position: relative;
}

.oauth-divider::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 0;
  right: 0;
  border-top: 1px solid var(--border);
}

.oauth-divider span {
  background: var(--bg-secondary);
  padding: 0 12px;
  position: relative;
  color: var(--text-muted);
  font-size: 0.8rem;
}

.oauth-buttons {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.oauth-btn {
  display: block;
  width: 100%;
  padding: 10px 16px;
  border: none;
  border-radius: 6px;
  text-align: center;
  text-decoration: none;
  font-size: 0.85rem;
  font-weight: 500;
  cursor: pointer;
  transition: opacity 0.15s;
}

.oauth-btn:hover { opacity: 0.85; }

.google-btn {
  background: #4285f4;
  color: #fff;
}

.github-btn {
  background: #333;
  color: #fff;
  border: 1px solid var(--border);
}

/* Notification dropdown */
.notif-dropdown {
  position: absolute;
  top: 100%;
  right: 0;
  width: 320px;
  max-height: 400px;
  overflow-y: auto;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 8px;
  box-shadow: 0 8px 24px rgba(0,0,0,0.3);
  z-index: 250;
}

.notif-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
  font-weight: 600;
  font-size: 0.85rem;
}

.notif-mark-read {
  background: none;
  border: none;
  color: var(--accent);
  cursor: pointer;
  font-size: 0.78rem;
}

.notif-list { padding: 0; }

.notif-item {
  padding: 10px 16px;
  border-bottom: 1px solid var(--border);
  cursor: pointer;
  transition: background 0.1s;
}

.notif-item:hover { background: var(--bg-tertiary); }
.notif-item.unread { border-left: 3px solid var(--accent); }

.notif-message {
  font-size: 0.82rem;
  color: var(--text-primary);
}

.notif-time {
  font-size: 0.72rem;
  color: var(--text-muted);
  margin-top: 4px;
}

.notif-empty {
  padding: 20px;
  text-align: center;
  color: var(--text-muted);
  font-size: 0.85rem;
}

/* View titles */
.view-title {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-primary);
}

/* Alert form */
.alert-form-container {
  margin-top: 24px;
  padding: 20px;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 8px;
}

.alert-form-container h3 {
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin-bottom: 12px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.alert-form {
  display: flex;
  gap: 8px;
  align-items: center;
  flex-wrap: wrap;
}

.alert-form input,
.alert-form select {
  padding: 6px 10px;
  background: var(--bg-primary);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text-primary);
  font-size: 0.85rem;
}

.alert-form input[type="text"] { width: 120px; }
.alert-form input[type="number"] { width: 80px; }

/* Toggle button */
.toggle-btn {
  padding: 3px 10px;
  border-radius: 10px;
  font-size: 0.75rem;
  font-weight: 600;
  border: none;
  cursor: pointer;
}

.toggle-btn.on { background: rgba(63, 185, 80, 0.2); color: var(--green); }
.toggle-btn.off { background: rgba(248, 81, 73, 0.15); color: var(--red); }

/* Delete button */
.delete-btn {
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  font-size: 1rem;
  padding: 2px 6px;
}

.delete-btn:hover { color: var(--red); }