/* ═══════════════════════════════════════════════════════
   TruFRaiN ENHANCED — style.css
   Dark theme with full component styling
   ═══════════════════════════════════════════════════════ */

/* ── CSS VARIABLES ─────────────────────────────────────── */
:root {
  --bg-primary: #0a0e17;
  --bg-secondary: #111827;
  --bg-card: #151d2e;
  --bg-card-hover: #1a2438;
  --bg-elevated: #1e293b;
  --bg-header: rgba(10,14,23,0.88);
  --border: #1e293b;
  --border-subtle: rgba(255,255,255,0.06);
  --text-primary: #f1f5f9;
  --text-secondary: #94a3b8;
  --text-tertiary: #64748b;
  --accent: #22d3ee;
  --accent-dim: rgba(34,211,238,0.12);
  --accent-glow: rgba(34,211,238,0.25);
  --green: #34d399;
  --green-bg: rgba(52,211,153,0.1);
  --yellow: #fbbf24;
  --yellow-bg: rgba(251,191,36,0.1);
  --orange: #fb923c;
  --orange-bg: rgba(251,146,60,0.1);
  --red: #f87171;
  --red-bg: rgba(248,113,113,0.1);
  --ring-track: rgba(255,255,255,0.06);
  --radius: 12px;
  --radius-sm: 8px;
  --shadow: 0 4px 24px rgba(0,0,0,0.3);
  --font: 'DM Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --mono: 'JetBrains Mono', 'Fira Code', monospace;
  --transition: 180ms ease;
}

/* ── RESET & BASE ──────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

/* Background mesh */
body::before {
  content: '';
  position: fixed; inset: 0; z-index: -1;
  background:
    radial-gradient(ellipse 80% 60% at 10% 20%, rgba(34,211,238,0.04) 0%, transparent 60%),
    radial-gradient(ellipse 60% 50% at 90% 80%, rgba(139,92,246,0.03) 0%, transparent 60%);
}

/* ── SCROLLBAR ─────────────────────────────────────────── */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.1); border-radius: 3px; }

/* ── HEADER ────────────────────────────────────────────── */
.app-header {
  position: sticky; top: 0; z-index: 100;
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 28px; height: 60px;
  background: var(--bg-header);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-subtle);
}

.header-brand { display: flex; align-items: center; gap: 14px; }

.header-logo {
  font-size: 20px; font-weight: 700;
  letter-spacing: -0.5px;
  background: linear-gradient(135deg, var(--accent), #a78bfa);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  cursor: pointer;
}

.header-sep { width: 1px; height: 22px; background: rgba(255,255,255,0.1); }

.header-sub { font-size: 12px; color: var(--text-tertiary); letter-spacing: 0.3px; }

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

.header-badge {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 5px 12px; border-radius: 999px;
  font-size: 11px; font-weight: 500;
  background: var(--accent-dim);
  color: var(--accent);
  border: 1px solid rgba(34,211,238,0.15);
}

.header-badge-dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--accent);
  animation: pulse-dot 2s ease infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

/* ── LAYOUT ────────────────────────────────────────────── */
.app-container {
  max-width: 1360px;
  margin: 0 auto;
  padding: 24px 28px 80px;
}

/* ── BREADCRUMB ────────────────────────────────────────── */
.breadcrumb {
  display: flex; align-items: center; gap: 8px;
  margin-bottom: 16px;
  font-size: 13px; color: var(--text-tertiary);
}

.breadcrumb-link {
  color: var(--accent); cursor: pointer;
  background: none; border: none;
  font: inherit; font-size: 13px; padding: 0;
  transition: color var(--transition);
}
.breadcrumb-link:hover { color: #67e8f9; }

.breadcrumb-sep { opacity: 0.4; }
.breadcrumb-current { color: var(--text-secondary); }

/* ── BUTTONS ───────────────────────────────────────────── */
.btn {
  padding: 7px 16px; border-radius: var(--radius-sm);
  border: 1px solid rgba(255,255,255,0.1);
  background: rgba(255,255,255,0.04);
  color: var(--text-secondary);
  cursor: pointer; font-size: 13px;
  font-weight: 500; font-family: var(--font);
  transition: all var(--transition);
  white-space: nowrap;
}
.btn:hover { border-color: var(--accent-glow); color: var(--text-primary); }

.btn-active {
  background: var(--accent-dim);
  border-color: var(--accent-glow);
  color: var(--accent);
}

.btn-accent {
  background: var(--accent-dim);
  border: 1px solid var(--accent-glow);
  color: var(--accent);
  padding: 7px 16px; border-radius: var(--radius-sm);
  cursor: pointer; font-size: 13px;
  font-weight: 500; font-family: var(--font);
  transition: all var(--transition);
}
.btn-accent:hover { background: rgba(34,211,238,0.2); }

/* ── TAB BAR ───────────────────────────────────────────── */
.tab-bar { display: flex; gap: 6px; margin-bottom: 20px; }

/* ── CARD ──────────────────────────────────────────────── */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius);
  padding: 20px;
  margin-bottom: 16px;
}

.card-label {
  font-size: 11px; font-weight: 600;
  text-transform: uppercase; letter-spacing: 0.7px;
  color: var(--text-tertiary);
  margin-bottom: 12px; padding-bottom: 8px;
  border-bottom: 1px solid var(--border-subtle);
}

/* ── KPI GRID ──────────────────────────────────────────── */
.kpi-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 12px; margin-bottom: 24px;
}

.kpi-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius);
  padding: 18px 20px;
}

.kpi-label {
  font-size: 11px; font-weight: 500;
  color: var(--text-tertiary);
  text-transform: uppercase; letter-spacing: 0.7px;
  margin-bottom: 6px;
}

.kpi-value {
  font-size: 26px; font-weight: 700;
  letter-spacing: -1px;
  font-feature-settings: 'tnum';
}

/* ── TWO-COLUMN GRID ───────────────────────────────────── */
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-bottom: 16px; }

/* ── TABLE ─────────────────────────────────────────────── */
.data-table { width: 100%; border-collapse: collapse; font-size: 13px; }

.data-table thead th {
  text-align: left; padding: 10px 14px;
  font-size: 11px; font-weight: 600;
  text-transform: uppercase; letter-spacing: 0.6px;
  color: var(--text-tertiary);
  border-bottom: 1px solid var(--border-subtle);
  cursor: pointer; user-select: none;
}

.data-table tbody td {
  padding: 10px 14px;
  border-bottom: 1px solid rgba(255,255,255,0.04);
}

.data-table tbody tr {
  cursor: pointer;
  transition: background var(--transition);
}
.data-table tbody tr:hover { background: rgba(255,255,255,0.03); }

/* ── TIER BADGE ────────────────────────────────────────── */
.tier-badge {
  display: inline-block;
  padding: 2px 8px; border-radius: 999px;
  font-size: 10px; font-weight: 600;
  letter-spacing: 0.5px;
}
.tier-GREEN { background: rgba(52,211,153,0.12); color: var(--green); }
.tier-YELLOW { background: rgba(251,191,36,0.12); color: var(--yellow); }
.tier-ORANGE { background: rgba(251,146,60,0.12); color: var(--orange); }
.tier-RED { background: rgba(248,113,113,0.12); color: var(--red); }

/* ── TIER DISTRIBUTION BAR ─────────────────────────────── */
.tier-bar { display: flex; height: 8px; border-radius: 4px; overflow: hidden; margin: 8px 0; }
.tier-bar-segment { transition: width 0.5s ease; }

.tier-legend { display: flex; gap: 14px; font-size: 11px; color: var(--text-secondary); }
.tier-legend-item { display: flex; align-items: center; gap: 4px; }
.tier-legend-dot { width: 7px; height: 7px; border-radius: 50%; display: inline-block; }

/* ── RISK BAR ──────────────────────────────────────────── */
.risk-bar-wrap { display: flex; align-items: center; gap: 8px; }
.risk-bar-track { flex: 1; height: 5px; border-radius: 3px; background: rgba(255,255,255,0.06); overflow: hidden; }
.risk-bar-fill { height: 100%; border-radius: 3px; transition: width 0.6s ease; }
.risk-pct { font-size: 12px; font-weight: 600; min-width: 32px; text-align: right; font-feature-settings: 'tnum'; }

/* ── ALERT BOX ─────────────────────────────────────────── */
.alert-box {
  background: var(--red-bg);
  border: 1px solid rgba(248,113,113,0.15);
  border-radius: var(--radius-sm);
  padding: 12px 16px; margin-bottom: 12px;
  display: flex; align-items: flex-start; gap: 10px;
  font-size: 13px; color: var(--red);
}

/* ── SCORE RING ────────────────────────────────────────── */
.score-ring { display: flex; flex-direction: column; align-items: center; padding: 12px 0; position: relative; }
.score-ring-value { font-size: 36px; font-weight: 800; letter-spacing: -2px; position: absolute; top: 50%; left: 50%; transform: translate(-50%, -58%); }
.score-ring-label { font-size: 11px; color: var(--text-tertiary); margin-top: 4px; }

/* ── DETAIL ROW ────────────────────────────────────────── */
.detail-row { display: flex; justify-content: space-between; align-items: center; padding: 5px 0; font-size: 13px; }
.detail-row-label { color: var(--text-tertiary); }
.detail-row-value { font-weight: 500; font-feature-settings: 'tnum'; }

/* ── SPARKLINE ─────────────────────────────────────────── */
.sparkline-svg { display: block; overflow: visible; }

/* ── SEARCH ────────────────────────────────────────────── */
.search-wrap { position: relative; }
.search-icon { position: absolute; left: 10px; top: 50%; transform: translateY(-50%); color: var(--text-tertiary); font-size: 13px; pointer-events: none; }

.search-input {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius-sm);
  padding: 7px 12px 7px 30px;
  color: var(--text-primary); font-size: 13px;
  font-family: var(--font); outline: none; width: 220px;
  transition: border-color var(--transition);
}
.search-input::placeholder { color: var(--text-tertiary); }
.search-input:focus { border-color: var(--accent-glow); }

/* ── NOTE INPUT ────────────────────────────────────────── */
.note-input {
  flex: 1;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius-sm);
  padding: 8px 12px; color: var(--text-primary);
  font-size: 13px; font-family: var(--font); outline: none;
}
.note-input::placeholder { color: var(--text-tertiary); }
.note-input:focus { border-color: var(--accent-glow); }

/* ── FILTER BAR ────────────────────────────────────────── */
.filter-bar { display: flex; gap: 8px; margin-bottom: 12px; flex-wrap: wrap; align-items: center; }

/* ── QUARTER GRID ──────────────────────────────────────── */
.quarter-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; }
.quarter-box { background: rgba(255,255,255,0.03); border-radius: var(--radius-sm); padding: 12px; text-align: center; }
.quarter-label { font-size: 11px; color: var(--text-tertiary); margin-bottom: 4px; }
.quarter-value { font-size: 20px; font-weight: 700; }
.quarter-delta { font-size: 11px; margin-top: 2px; }

/* ── UPLOAD MODAL ──────────────────────────────────────── */
.modal-overlay {
  position: fixed; inset: 0; z-index: 999;
  display: flex; align-items: center; justify-content: center;
  background: rgba(0,0,0,0.7); backdrop-filter: blur(8px);
}

.modal-content {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius);
  padding: 32px; width: 520px; max-width: 90vw;
}

.upload-zone {
  border: 2px dashed var(--accent-glow);
  border-radius: var(--radius); padding: 40px 20px;
  text-align: center; margin-bottom: 20px;
  cursor: pointer; background: rgba(34,211,238,0.04);
  transition: all var(--transition);
}
.upload-zone:hover { background: rgba(34,211,238,0.08); border-color: var(--accent); }

/* ── WATCH LIST ITEM ───────────────────────────────────── */
.watch-item {
  padding: 10px 0;
  border-bottom: 1px solid rgba(255,255,255,0.04);
  cursor: pointer; transition: background var(--transition);
}
.watch-item:hover { background: rgba(255,255,255,0.02); }

/* ── SCATTER PLOT ──────────────────────────────────────── */
.scatter-dot { cursor: pointer; transition: r 0.15s; }
.scatter-dot:hover { r: 9; }

/* ── LOCATION DETAIL HEADER ────────────────────────────── */
.loc-header { display: flex; align-items: center; gap: 14px; margin-bottom: 20px; }
.loc-title { font-size: 20px; font-weight: 600; letter-spacing: -0.5px; }

/* ── RECOMMENDATION ITEM ──────────────────────────────── */
.rec-item { display: flex; align-items: flex-start; gap: 8px; padding: 6px 0; font-size: 13px; }
.rec-dot { flex-shrink: 0; width: 6px; height: 6px; border-radius: 50%; margin-top: 6px; }

/* ── NOTE ITEM ─────────────────────────────────────────── */
.note-item { padding: 8px 0; border-bottom: 1px solid rgba(255,255,255,0.04); font-size: 13px; }
.note-date { color: var(--text-secondary); font-size: 11px; margin-bottom: 2px; }

/* ── MAP (Leaflet overrides) ────────────────────────────── */
.map-container { background: rgba(0,0,0,0.2); border-radius: var(--radius-sm); }

/* Remove default Leaflet marker icon backgrounds */
.trufrain-marker { background: none !important; border: none !important; }

/* Custom tooltip styling — dark */
.trufrain-tooltip {
  background: #1a2438 !important;
  border: 1px solid rgba(255,255,255,0.1) !important;
  border-radius: 8px !important;
  padding: 10px 14px !important;
  box-shadow: 0 8px 24px rgba(0,0,0,0.5) !important;
  color: #f1f5f9 !important;
}

.trufrain-tooltip::before {
  border-top-color: #1a2438 !important;
}

/* Custom tooltip styling — light */
.trufrain-tooltip-light {
  background: #ffffff !important;
  border: 1px solid rgba(0,0,0,0.1) !important;
  color: #1e293b !important;
  box-shadow: 0 8px 24px rgba(0,0,0,0.15) !important;
}

.trufrain-tooltip-light::before {
  border-top-color: #ffffff !important;
}

/* Leaflet control overrides for dark theme */
.leaflet-control-zoom a {
  background: #151d2e !important;
  color: #94a3b8 !important;
  border-color: rgba(255,255,255,0.1) !important;
}

.leaflet-control-zoom a:hover {
  background: #1e293b !important;
  color: #f1f5f9 !important;
}

.leaflet-control-attribution {
  background: rgba(10,14,23,0.8) !important;
  color: #64748b !important;
  font-size: 10px !important;
}

.leaflet-control-attribution a {
  color: #94a3b8 !important;
}

/* Light map theme overrides (applied via .map-light-theme parent) */
.map-light-theme .leaflet-control-zoom a {
  background: #ffffff !important;
  color: #475569 !important;
  border-color: rgba(0,0,0,0.15) !important;
}

.map-light-theme .leaflet-control-zoom a:hover {
  background: #f1f5f9 !important;
  color: #0f172a !important;
}

.map-light-theme .leaflet-control-attribution {
  background: rgba(255,255,255,0.85) !important;
  color: #64748b !important;
}

.map-light-theme .leaflet-control-attribution a {
  color: #475569 !important;
}

/* ── FOOTER ────────────────────────────────────────────── */
.app-footer {
  text-align: center; padding: 28px;
  font-size: 11px; color: var(--text-tertiary);
  border-top: 1px solid var(--border-subtle);
}

/* ── RESPONSIVE ────────────────────────────────────────── */
@media (max-width: 768px) {
  .app-header { padding: 0 16px; }
  .app-container { padding: 20px 16px 60px; }
  .kpi-grid { grid-template-columns: repeat(2, 1fr); }
  .grid-2 { grid-template-columns: 1fr; }
  .header-sub { display: none; }
  .search-input { width: 100%; }
  .quarter-grid { grid-template-columns: repeat(2, 1fr); }
  .tab-bar { flex-wrap: wrap; }
}