:root {
  --bg-deep: #f5f5f7;
  --bg-base: #ffffff;
  --bg-surface: #f0f1f3;
  --bg-hover: #ecedf0;
  --green: #16a34a;
  --green-bg: rgba(22, 163, 74, 0.08);
  --red: #dc2626;
  --red-bg: rgba(220, 38, 38, 0.08);
  --blue: #4A6FA5;
  --blue-bg: rgba(74, 111, 165, 0.08);
  --gold: #A68B5B;
  --gold-bg: rgba(166, 139, 91, 0.08);
  --text: #1d1d1f;
  --text-secondary: #6e6e73;
  --text-muted: #aeaeb2;
  --border: rgba(0, 0, 0, 0.08);
  --radius: 12px;
  --radius-sm: 8px;
  --font: 'DM Sans', -apple-system, sans-serif;
  --mono: 'JetBrains Mono', monospace;
  --shadow: 0 2px 12px rgba(0,0,0,0.06);
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html, body { height: 100%; font-family: var(--font); background: var(--bg-deep); color: var(--text); -webkit-font-smoothing: antialiased; }
::selection { background: var(--blue); color: white; }
::-webkit-scrollbar { width: 5px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--text-muted); border-radius: 3px; }

.app { display: flex; flex-direction: column; height: 100vh; }

/* Header */
.header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 16px 24px; background: var(--bg-base); border-bottom: 1px solid var(--border);
}
.header h1 { font-size: 20px; font-weight: 700; }
.header h1 span { color: var(--blue); }
.header-actions { display: flex; gap: 8px; align-items: center; }
.header-actions button {
  padding: 6px 14px; border: 1px solid var(--border); border-radius: var(--radius-sm);
  background: var(--bg-base); cursor: pointer; font-size: 13px; font-family: var(--font);
  transition: background 0.15s;
}
.header-actions button:hover { background: var(--bg-hover); }
.regime-badge {
  display: inline-flex; align-items: center; gap: 4px;
  padding: 6px 16px; border-radius: 20px; font-size: 13px; font-weight: 700;
  background: var(--blue-bg); color: var(--blue);
  box-shadow: 0 1px 6px rgba(0,0,0,0.08);
}
.regime-badge.regime-bull { background: var(--red-bg); color: var(--red); }
.regime-badge.regime-bear { background: var(--green-bg); color: var(--green); }
.regime-badge.regime-volatile { background: var(--gold-bg); color: var(--gold); }

/* Stats bar */
.stats-bar {
  display: grid; grid-template-columns: repeat(5, 1fr); gap: 12px;
  padding: 16px 24px; background: var(--bg-base); border-bottom: 1px solid var(--border);
}
.stat-card {
  padding: 12px 16px; background: var(--bg-surface); border-radius: var(--radius-sm);
}
.stat-label { font-size: 11px; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.5px; }
.stat-value { font-size: 22px; font-weight: 700; margin-top: 4px; font-family: var(--mono); }
.stat-value.positive { color: var(--red); }
.stat-value.negative { color: var(--green); }

/* Main content */
.main { flex: 1; overflow-y: auto; padding: 24px; }

.section { margin-bottom: 24px; }
.section-title {
  font-size: 14px; font-weight: 600; color: var(--text-secondary);
  margin-bottom: 12px; display: flex; align-items: center; gap: 8px;
}
.section-title .count { font-weight: 400; color: var(--text-muted); }

/* Stock grid */
.stock-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 12px; transition: opacity 150ms ease-out; }
.stock-grid.fade-out { opacity: 0; }

.stock-card {
  padding: 16px; background: var(--bg-base); border-radius: var(--radius);
  border: 1px solid var(--border); cursor: pointer; transition: all 0.15s;
}
.stock-card:hover { border-color: var(--blue); box-shadow: var(--shadow); transform: translateY(-2px); }
.stock-card.active { border-color: var(--blue); box-shadow: 0 0 0 2px rgba(74,111,165,0.15); }

.stock-header { display: flex; justify-content: space-between; align-items: flex-start; margin-bottom: 8px; }
.stock-name { font-size: 15px; font-weight: 600; }
.stock-code { font-size: 12px; color: var(--text-muted); font-family: var(--mono); }
.stock-price { font-size: 18px; font-weight: 700; font-family: var(--mono); }

.signal-badge {
  display: inline-block; padding: 2px 8px; border-radius: 4px;
  font-size: 11px; font-weight: 600; letter-spacing: 0.3px;
}
.signal-badge.bull { background: var(--red-bg); color: var(--red); }
.signal-badge.bear { background: var(--green-bg); color: var(--green); }
.signal-badge.neutral { background: var(--gold-bg); color: var(--gold); }

.stock-score { font-size: 24px; font-weight: 800; font-family: var(--mono); }
.stock-score.positive { color: var(--red); }
.stock-score.negative { color: var(--green); }

.stock-meta { display: flex; gap: 12px; margin-top: 8px; font-size: 12px; color: var(--text-secondary); }
.pnl { font-weight: 600; }
.pnl.profit { color: var(--red); }
.pnl.loss { color: var(--green); }

.stock-context {
  margin-top: 8px; padding: 6px 10px; border-radius: 6px;
  font-size: 12px; background: var(--gold-bg); color: var(--gold);
}

.stock-reasons { margin-top: 8px; font-size: 11px; color: var(--text-muted); line-height: 1.5; }

/* Detail panel */
.detail-overlay {
  position: fixed; inset: 0; background: rgba(0,0,0,0.3);
  z-index: 100; display: flex; justify-content: center; align-items: center;
  backdrop-filter: blur(2px); -webkit-backdrop-filter: blur(2px);
  opacity: 0; visibility: hidden; pointer-events: none;
  transition: opacity 0.2s ease, visibility 0.2s ease;
}
.detail-overlay.show { opacity: 1; visibility: visible; pointer-events: auto; }
.detail-panel {
  background: var(--bg-base); border-radius: var(--radius);
  width: 94%; max-width: 1060px; max-height: 88vh; overflow-y: auto;
  padding: 28px 32px 20px; box-shadow: 0 8px 40px rgba(0,0,0,0.15);
  animation: detailSlideUp 0.2s ease-out;
}
@keyframes detailSlideUp {
  from { opacity: 0; transform: translateY(12px); }
  to   { opacity: 1; transform: translateY(0); }
}
.detail-close {
  float: right; border: none; background: none; font-size: 20px;
  cursor: pointer; color: var(--text-muted); padding: 4px 8px;
  border-radius: 6px; transition: all 0.15s;
}
.detail-close:hover { color: var(--text); background: var(--bg-surface); }

/* Detail header */
.detail-head { margin-bottom: 20px; }
.detail-head h2 { font-size: 20px; font-weight: 700; margin-bottom: 2px; }
.detail-head .stock-code { font-size: 12px; color: var(--text-muted); font-family: var(--mono); }
.detail-price-row {
  display: flex; gap: 12px; align-items: baseline; margin-top: 8px; flex-wrap: wrap;
}
.detail-price {
  font-size: 28px; font-weight: 800; font-family: var(--mono);
}
.detail-pct {
  font-size: 14px; font-weight: 600; font-family: var(--mono);
}
.detail-pnl-row {
  display: flex; gap: 12px; align-items: center; margin-top: 6px; font-size: 13px;
}
.detail-sparkline-wrap {
  margin-top: 12px; padding: 12px; background: var(--bg-surface); border-radius: var(--radius-sm);
  display: flex; align-items: center; gap: 16px;
}
.detail-sparkline-wrap .meta { font-size: 12px; color: var(--text-secondary); line-height: 1.6; }

/* Four-dimension grid */
.dim-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 10px;
  margin-top: 16px;
}
.dim-card {
  padding: 14px; background: var(--bg-surface); border-radius: var(--radius-sm);
  border: 1px solid transparent; transition: border-color 0.15s;
}
.dim-card:hover { border-color: var(--border); }
.dim-card-title {
  font-size: 11px; font-weight: 600; color: var(--text-muted);
  text-transform: uppercase; letter-spacing: 0.5px; margin-bottom: 8px;
  display: flex; align-items: center; gap: 6px;
}
.dim-card-score {
  font-size: 22px; font-weight: 800; font-family: var(--mono); margin-bottom: 6px;
}
.dim-card-detail {
  font-size: 12px; color: var(--text-secondary); line-height: 1.6;
}
.dim-tag {
  display: inline-block; padding: 1px 6px; border-radius: 3px;
  font-size: 10px; font-weight: 600; margin-right: 4px; margin-bottom: 2px;
}
.dim-tag.bull { background: var(--red-bg); color: var(--red); }
.dim-tag.bear { background: var(--green-bg); color: var(--green); }
.dim-tag.neutral { background: var(--gold-bg); color: var(--gold); }
.dim-tag.info { background: var(--blue-bg); color: var(--blue); }

/* Conflict alerts (upgraded) */
.detail-conflicts { margin-top: 16px; }
.conflict-alert {
  padding: 12px 16px; margin-bottom: 8px; border-radius: var(--radius-sm);
  border-left: 3px solid var(--gold); background: var(--gold-bg);
  font-size: 13px; line-height: 1.5;
}
.conflict-alert .conflict-title { font-weight: 600; margin-bottom: 2px; }
.conflict-alert .conflict-advice { font-size: 12px; color: var(--text-secondary); }
.conflict-alert.severe { border-left-color: var(--red); background: var(--red-bg); }

/* Guardrail warnings */
.guardrail-alert {
  padding: 10px 14px; margin-bottom: 8px; border-radius: var(--radius-sm);
  border-left: 3px solid var(--blue); background: var(--blue-bg);
  font-size: 12px; line-height: 1.5; color: var(--blue);
}

/* Narrative section */
.detail-narrative {
  margin-top: 16px; padding: 16px; background: var(--bg-surface);
  border-radius: var(--radius-sm); line-height: 1.8; font-size: 14px;
  white-space: pre-wrap; word-break: break-word;
  color: var(--text-secondary);
  transition: opacity 0.3s ease;
}
.narrative-loading {
  padding: 20px 16px; background: var(--bg-surface); border-radius: var(--radius-sm);
  margin-top: 16px; text-align: center; color: var(--text-muted); font-size: 13px;
}
.narrative-loading .ld-icon {
  display: inline-block; margin-right: 6px;
  animation: pulse-fade 1.5s ease-in-out infinite;
}
@keyframes pulse-fade { 0%,100% { opacity: 0.4; } 50% { opacity: 1; } }
.detail-narrative strong, .detail-narrative b { color: var(--text); font-weight: 600; }
.narrative-skeleton {
  padding: 16px; background: var(--bg-surface); border-radius: var(--radius-sm);
  margin-top: 16px;
}
.narrative-skeleton .skeleton-line { margin-bottom: 8px; }

/* Advice bar */
.detail-advice {
  margin-top: 12px; padding: 10px 14px;
  background: var(--bg-surface); border-radius: var(--radius-sm);
  font-size: 12px; color: var(--text-secondary);
  display: flex; gap: 16px; flex-wrap: wrap;
}
.detail-advice span { white-space: nowrap; }

/* Two-column body layout */
.detail-body {
  display: grid; grid-template-columns: 1fr 1fr; gap: 20px;
  margin-top: 4px;
}
.detail-left { min-width: 0; }
.detail-right { min-width: 0; display: flex; flex-direction: column; }
.detail-right .detail-narrative,
.detail-right .narrative-loading,
.detail-right .narrative-skeleton {
  margin-top: 0; flex: 1;
}
.detail-right-title {
  font-size: 11px; font-weight: 600; color: var(--text-muted);
  text-transform: uppercase; letter-spacing: 0.5px; margin-bottom: 10px;
  display: flex; align-items: center; gap: 6px;
}

/* Keyboard nav hint */
.detail-nav-hint {
  text-align: center; padding: 10px 0 0;
  font-size: 11px; color: var(--text-muted); opacity: 0.5;
}

@media (max-width: 768px) {
  .dim-grid { grid-template-columns: 1fr; }
  .detail-body { grid-template-columns: 1fr; }
  .detail-panel { width: 100%; max-width: 100%; border-radius: 16px 16px 0 0; max-height: 92vh; padding: 20px; }
  .detail-overlay.show { align-items: flex-end; }
}

/* Loading */
.loading-overlay {
  position: fixed; inset: 0; background: var(--bg-base);
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  z-index: 200; transition: opacity 0.3s;
}
.loading-overlay.hidden { opacity: 0; pointer-events: none; }
.loading-spinner { font-size: 40px; animation: pulse 1.5s infinite; }
@keyframes pulse { 0%,100% { opacity: 1; } 50% { opacity: 0.4; } }
.loading-text { margin-top: 16px; font-size: 14px; color: var(--text-secondary); }

/* Empty state */
.empty { text-align: center; padding: 40px; color: var(--text-muted); font-size: 14px; }

/* Skeleton loading */
.skeleton-card {
  padding: 16px; background: var(--bg-base); border-radius: var(--radius);
  border: 1px solid var(--border); height: 140px;
}
.skeleton-line {
  height: 14px; background: linear-gradient(90deg, var(--bg-surface) 25%, var(--bg-hover) 50%, var(--bg-surface) 75%);
  background-size: 200% 100%; border-radius: 4px; margin-bottom: 10px;
  animation: shimmer 1.5s infinite;
}
.skeleton-line.w60 { width: 60%; }
.skeleton-line.w40 { width: 40%; }
.skeleton-line.w80 { width: 80%; }
.skeleton-line.h24 { height: 24px; }
@keyframes shimmer { 0% { background-position: 200% 0; } 100% { background-position: -200% 0; } }

.cache-badge {
  display: inline-block; padding: 2px 8px; border-radius: 4px;
  font-size: 10px; background: var(--gold-bg); color: var(--gold); margin-left: 8px;
}
.cron-badge {
  display: inline-flex; align-items: center; gap: 3px;
  padding: 2px 8px; border-radius: 4px; font-size: 10px; font-weight: 500;
  background: rgba(74, 111, 165, 0.08); color: var(--blue); margin-left: 6px;
}
.cron-badge .cron-dot {
  width: 5px; height: 5px; border-radius: 50%; background: var(--blue); opacity: 0.6;
}

/* Responsive */
@media (max-width: 768px) {
  .stats-bar { grid-template-columns: repeat(3, 1fr); }
  .stock-grid { grid-template-columns: 1fr; }
  .main { padding: 16px; }
  .header { padding: 12px 16px; }
}

/* P0: Conflict highlight (赚钱但该跑) */
.stock-card.conflict {
  box-shadow: 0 0 0 1px rgba(217, 169, 99, 0.35), 0 4px 20px rgba(217, 169, 99, 0.12);
  position: relative;
}
.stock-card.conflict::after {
  content: '';
  position: absolute; top: 12px; right: 12px;
  width: 7px; height: 7px; border-radius: 50%;
  background: #d4a04a;
  box-shadow: 0 0 6px rgba(212, 160, 74, 0.6);
  animation: conflict-pulse 2.4s ease-in-out infinite;
}
@keyframes conflict-pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.85); }
}
.stock-context.conflict-ctx {
  background: rgba(212, 160, 74, 0.07);
  color: #96700a; font-weight: 500;
  border-left: 2px solid rgba(212, 160, 74, 0.4);
  padding-left: 10px;
}
.stock-conflict-hint {
  margin-top: 6px; font-size: 11px; color: #b8860b;
  padding: 3px 8px; border-radius: 4px;
  background: rgba(212, 160, 74, 0.08);
}

/* P0: Holdings detail row */
.holding-meta {
  margin-top: 6px; padding-top: 6px; font-size: 11px; color: var(--text-muted);
  border-top: 1px dashed var(--border);
}

/* P1: Section tints (强/弱区视觉区分) */
.section-strong { background: rgba(220, 38, 38, 0.018); border-radius: var(--radius); padding: 12px; margin-left: -12px; margin-right: -12px; }
.section-weak { background: rgba(22, 163, 74, 0.018); border-radius: var(--radius); padding: 12px; margin-left: -12px; margin-right: -12px; }

/* P2: Sparkline */
.sparkline { vertical-align: middle; opacity: 0.7; flex-shrink: 0; }
.stock-card:hover .sparkline { opacity: 1; }

/* Toast notification */
.toast {
  position: fixed; top: 20px; right: 20px; z-index: 10000;
  padding: 10px 18px; border-radius: 8px; font-size: 13px;
  background: rgba(180, 130, 50, 0.95); color: #fff;
  box-shadow: 0 4px 16px rgba(0,0,0,0.15);
  opacity: 0; transform: translateY(-12px);
  transition: opacity 0.3s, transform 0.3s;
  pointer-events: none;
}
.toast.show { opacity: 1; transform: translateY(0); pointer-events: auto; }
.toast.success { background: rgba(22, 163, 74, 0.92); }

/* Top progress bar */
.progress-bar {
  position: fixed; top: 0; left: 0; width: 100%; height: 3px; z-index: 9999;
  overflow: hidden; opacity: 0; transition: opacity 0.2s;
}
.progress-bar.active { opacity: 1; }
.progress-bar::after {
  content: ''; position: absolute; top: 0; left: -40%; width: 40%; height: 100%;
  background: linear-gradient(90deg, transparent, var(--blue), transparent);
  animation: progress-slide 1.2s ease-in-out infinite;
}
@keyframes progress-slide {
  0% { left: -40%; }
  100% { left: 100%; }
}

/* Refresh blur overlay */
.main.refreshing {
  opacity: 0.5; filter: blur(2px);
  pointer-events: none; transition: opacity 0.3s, filter 0.3s;
}
.main { transition: opacity 0.3s, filter 0.3s; }

/* Refresh button spin */
@keyframes spin { 0% { transform: rotate(0deg); } 100% { transform: rotate(360deg); } }
.header-actions button.loading {
  opacity: 1; pointer-events: none;
}
.header-actions button.loading .btn-icon {
  display: inline-block; animation: spin 0.8s linear infinite;
}

/* ═══ Tab Navigation ═══ */
.tab-bar {
  display: flex; gap: 4px;
}
.tab-btn {
  padding: 6px 16px; border: none; border-radius: var(--radius-sm);
  background: transparent; cursor: pointer; font-size: 13px; font-weight: 500;
  font-family: var(--font); color: var(--text-muted); transition: all 0.15s;
}
.tab-btn:hover { color: var(--text); background: var(--bg-hover); }
.tab-btn.active { color: var(--blue); background: var(--blue-bg); font-weight: 600; }

/* Tab panels */
.tab-panel { display: none; flex-direction: column; flex: 1; overflow: hidden; }
.tab-panel.active { display: flex; }

/* ═══ Signal Review Panel ═══ */
.review-stats-bar {
  display: grid; grid-template-columns: repeat(5, 1fr); gap: 12px;
  padding: 16px 24px; background: var(--bg-base); border-bottom: 1px solid var(--border);
}
.review-filter-bar {
  display: flex; justify-content: space-between; align-items: center;
  padding: 12px 24px; background: var(--bg-base); border-bottom: 1px solid var(--border);
}
.review-controls { display: flex; align-items: center; gap: 14px; }
.review-range-group {
  display: flex; padding: 2px; border-radius: 7px; background: var(--bg-secondary);
}
.review-range-btn {
  padding: 4px 10px; border: 0; border-radius: 5px; background: transparent;
  cursor: pointer; font-size: 11px; font-family: var(--font); color: var(--text-muted);
}
.review-range-btn:hover { color: var(--text); }
.review-range-btn.active { background: var(--bg-base); color: var(--blue); box-shadow: 0 1px 3px rgba(0,0,0,.08); }
.review-filter-group { display: flex; gap: 6px; }
.review-filter-btn {
  padding: 5px 14px; border: 1px solid var(--border); border-radius: 20px;
  background: var(--bg-base); cursor: pointer; font-size: 12px; font-family: var(--font);
  color: var(--text-secondary); transition: all 0.15s;
}
.review-filter-btn:hover { background: var(--bg-hover); }
.review-filter-btn.active { background: var(--blue); color: white; border-color: var(--blue); }
.review-filter-count { font-size: 11px; opacity: 0.7; margin-left: 2px; }
.backfill-btn {
  padding: 5px 14px; border: 1px solid var(--border); border-radius: var(--radius-sm);
  background: var(--bg-base); cursor: pointer; font-size: 12px; font-family: var(--font);
  color: var(--text-secondary); transition: all 0.15s;
}
.backfill-btn:hover { background: var(--bg-hover); }
.backfill-btn:disabled { opacity: 0.5; cursor: not-allowed; }

/* Date groups */
.date-group { margin-bottom: 20px; }
.date-group-header {
  font-size: 13px; font-weight: 600; color: var(--text-secondary);
  margin-bottom: 10px; display: flex; align-items: center; gap: 8px;
}
.date-group-count { font-weight: 400; color: var(--text-muted); }

/* Signal grid */
.signal-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: 12px; }

.signal-review-card {
  padding: 16px; background: var(--bg-base); border-radius: var(--radius);
  border: 1px solid var(--border); transition: all 0.15s; position: relative; cursor: default;
}
.signal-review-card:hover { border-color: var(--blue); box-shadow: var(--shadow); transform: translateY(-2px); }
.signal-review-card.correct {
  background: rgba(22, 163, 74, 0.06);
  box-shadow: 0 0 0 1px rgba(22, 163, 74, 0.2), 0 4px 16px rgba(22, 163, 74, 0.07);
}
.signal-review-card.correct:hover {
  box-shadow: 0 0 0 1.5px rgba(22, 163, 74, 0.3), 0 6px 20px rgba(22, 163, 74, 0.1);
}
.signal-review-card.wrong {
  background: rgba(220, 38, 38, 0.05);
  box-shadow: 0 0 0 1px rgba(220, 38, 38, 0.2), 0 4px 16px rgba(220, 38, 38, 0.06);
}
.signal-review-card.wrong:hover {
  box-shadow: 0 0 0 1.5px rgba(220, 38, 38, 0.3), 0 6px 20px rgba(220, 38, 38, 0.1);
}
.signal-review-card.abstain {
  background: rgba(0, 122, 255, 0.035);
  box-shadow: 0 0 0 1px rgba(0, 122, 255, 0.10);
}
.signal-review-card.pending { opacity: 0.65; }

.signal-head { display: flex; justify-content: space-between; align-items: flex-start; margin-bottom: 8px; }
.signal-name { font-size: 15px; font-weight: 600; }
.signal-code-sm { font-size: 12px; color: var(--text-muted); font-family: var(--mono); display: block; margin-top: 1px; }
.signal-score-area { text-align: right; display: flex; align-items: center; gap: 8px; }
.signal-review-score { font-size: 20px; font-weight: 800; font-family: var(--mono); }
.outcome-badge {
  display: inline-block; padding: 2px 8px; border-radius: 4px;
  font-size: 11px; font-weight: 600;
}
.outcome-badge.correct { background: rgba(22, 163, 74, 0.12); color: #16a34a; }
.outcome-badge.wrong { background: rgba(220, 38, 38, 0.1); color: var(--red); }
.outcome-badge.abstain { background: rgba(0, 122, 255, 0.08); color: var(--blue); }
.outcome-badge.pending { background: var(--bg-surface); color: var(--text-muted); }

.signal-price-row { display: flex; justify-content: space-between; align-items: baseline; margin-bottom: 6px; }
.signal-entry-price { font-size: 16px; font-weight: 700; font-family: var(--mono); }
.signal-outcomes {
  display: flex; gap: 12px; font-size: 12px; font-family: var(--mono); color: var(--text-muted);
  padding-top: 8px; border-top: 1px dashed var(--border);
}
.signal-outcomes .filled { font-weight: 600; }
.signal-outcomes .filled.up { color: var(--red); }
.signal-outcomes .filled.down { color: var(--green); }

.stat-value.win-high { color: #16a34a; }
.stat-value.win-low { color: var(--gold); }
.stat-value.win-mid { color: var(--blue); }

@media (max-width: 768px) {
  .review-stats-bar { grid-template-columns: repeat(3, 1fr); }
  .signal-grid { grid-template-columns: 1fr; }
  .review-filter-bar { flex-direction: column; gap: 8px; }
  .review-controls { flex-direction: column; gap: 8px; width: 100%; }
  .review-filter-group { flex-wrap: wrap; justify-content: center; }
}

/* Necessary online additions; keep the original Dashboard visual system. */
.auth-gate {
  position: fixed; inset: 0; z-index: 1000; display: grid; place-items: center;
  padding: 24px; background: rgba(245,245,247,.92); backdrop-filter: blur(18px);
}
.auth-gate.hidden { display: none; }
.auth-card {
  width: min(380px, 100%); padding: 34px; background: var(--bg-base);
  border: 1px solid var(--border); border-radius: var(--radius);
  box-shadow: 0 20px 60px rgba(0,0,0,.12);
}
.auth-card h2 { font-size: 22px; margin-bottom: 6px; }
.auth-card p { color: var(--text-muted); font-size: 13px; margin-bottom: 22px; }
.auth-card label { display: block; color: var(--text-secondary); font-size: 12px; margin-bottom: 8px; }
.auth-card input {
  width: 100%; height: 44px; padding: 0 13px; border: 1px solid var(--border);
  border-radius: var(--radius-sm); background: var(--bg-surface); outline: none;
  font: 15px var(--mono);
}
.auth-card input:focus { border-color: var(--blue); box-shadow: 0 0 0 3px rgba(74,111,165,.1); }
.auth-card button {
  width: 100%; height: 42px; margin-top: 14px; border: 0; border-radius: var(--radius-sm);
  background: var(--blue); color: white; font-weight: 600; cursor: pointer;
}
.auth-error { min-height: 18px; margin-top: 8px; color: var(--red); font-size: 12px; }
.data-trust-bar {
  display: flex; align-items: center; gap: 9px; min-height: 36px; padding: 7px 24px;
  background: var(--bg-base); border-bottom: 1px solid var(--border);
  color: var(--text-muted); font-size: 11px;
}
.data-trust-dot { width: 7px; height: 7px; border-radius: 50%; background: var(--green); }
.data-trust-bar.stale .data-trust-dot { background: var(--gold); }
.data-trust-bar.degraded .data-trust-dot { background: var(--red); }
.data-trust-age { margin-left: auto; font-family: var(--mono); }