/* ============================================
   NEPSE Analytics — Main Stylesheet
   Theme: Dark financial terminal aesthetic
   ============================================ */

:root {
  --bg-0: #080c10;
  --bg-1: #0d1117;
  --bg-2: #141b24;
  --bg-3: #1c2535;
  --bg-card: #111820;
  --border: #1e2d40;
  --border-bright: #2a3f5a;
  --text-0: #e8edf5;
  --text-1: #9baec8;
  --text-2: #5d7290;
  --accent: #00d4aa;
  --accent-dim: rgba(0,212,170,0.12);
  --accent-2: #f59e0b;
  --accent-3: #3b82f6;
  --bull: #00c896;
  --bear: #ff4d6a;
  --bull-dim: rgba(0,200,150,0.15);
  --bear-dim: rgba(255,77,106,0.15);
  --gold: #f0c040;
  --font-main: 'Syne', sans-serif;
  --font-mono: 'DM Mono', monospace;
  --font-devanagari: 'Noto Sans Devanagari', sans-serif;
  --radius: 8px;
  --radius-lg: 14px;
  --shadow: 0 2px 20px rgba(0,0,0,0.5);
  --ticker-h: 36px;
  --header-h: 60px;
  --transition: 0.18s ease;
}

[data-lang="ne"] { font-family: var(--font-devanagari), var(--font-main); }

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

html { scroll-behavior: smooth; }

body {
  background: var(--bg-0);
  color: var(--text-0);
  font-family: var(--font-main);
  font-size: 14px;
  line-height: 1.6;
  min-height: 100vh;
  padding-top: calc(var(--ticker-h) + var(--header-h));
  -webkit-font-smoothing: antialiased;
}

/* ── TICKER ── */
.ticker-wrap {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--ticker-h);
  background: var(--bg-2);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  overflow: hidden;
  z-index: 1000;
}
.ticker-label {
  background: var(--accent);
  color: var(--bg-0);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 1.5px;
  padding: 2px 10px;
  min-width: 48px;
  text-align: center;
  position: relative;
}
.ticker-label::after {
  content: '';
  position: absolute;
  right: -8px; top: 0; bottom: 0;
  width: 0;
  border-style: solid;
  border-width: 18px 0 18px 8px;
  border-color: transparent transparent transparent var(--accent);
}
.ticker-track {
  display: flex;
  animation: tickerScroll 60s linear infinite;
  gap: 0;
  white-space: nowrap;
  padding-left: 20px;
}
.ticker-track:hover { animation-play-state: paused; }
@keyframes tickerScroll {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}
.ticker-item {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 0 24px;
  font-family: var(--font-mono);
  font-size: 12px;
  border-right: 1px solid var(--border);
}
.ticker-item .t-name { color: var(--text-1); font-weight: 500; }
.ticker-item .t-val { color: var(--text-0); }
.ticker-item .t-up { color: var(--bull); }
.ticker-item .t-dn { color: var(--bear); }

/* ── HEADER ── */
.header {
  position: fixed;
  top: var(--ticker-h);
  left: 0; right: 0;
  height: var(--header-h);
  background: rgba(8,12,16,0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;
  z-index: 900;
}
.logo {
  display: flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
}
.logo-bull {
  color: var(--accent);
  font-size: 20px;
  animation: pulse 3s ease infinite;
}
@keyframes pulse { 0%,100%{opacity:1} 50%{opacity:0.5} }
.logo-text {
  font-size: 18px;
  font-weight: 800;
  letter-spacing: -0.5px;
  color: var(--text-0);
}
.logo-accent { color: var(--accent); }
.header-left { display: flex; align-items: center; gap: 32px; }
.header-right { display: flex; align-items: center; gap: 16px; }
.nav { display: flex; gap: 4px; }
.nav-link {
  color: var(--text-1);
  text-decoration: none;
  font-size: 13px;
  font-weight: 600;
  padding: 6px 12px;
  border-radius: var(--radius);
  transition: var(--transition);
}
.nav-link:hover, .nav-link.active {
  color: var(--text-0);
  background: var(--bg-3);
}
.nav-link.active { color: var(--accent); }

.lang-toggle, .date-toggle {
  display: flex;
  align-items: center;
  gap: 4px;
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 2px 6px;
}
.lang-btn, .date-btn {
  background: none;
  border: none;
  color: var(--text-2);
  font-size: 11px;
  font-weight: 600;
  cursor: pointer;
  padding: 3px 6px;
  border-radius: 12px;
  transition: var(--transition);
}
.lang-btn.active, .date-btn.active {
  background: var(--accent);
  color: var(--bg-0);
}
.lang-sep { color: var(--border-bright); font-size: 10px; }
.admin-link {
  color: var(--text-2);
  text-decoration: none;
  font-size: 12px;
  border: 1px solid var(--border);
  padding: 5px 10px;
  border-radius: var(--radius);
  transition: var(--transition);
}
.admin-link:hover { border-color: var(--accent); color: var(--accent); }

/* ── HERO STATS ── */
.hero-stats {
  padding: 24px;
  background: linear-gradient(180deg, var(--bg-1) 0%, transparent 100%);
  border-bottom: 1px solid var(--border);
}
.hero-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 12px;
  max-width: 1400px;
  margin: 0 auto;
}
.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 16px 20px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}
.stat-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: var(--border-bright);
}
.hero-card::before { background: var(--accent); }
.stat-card:hover { border-color: var(--border-bright); }
.stat-label {
  font-size: 11px;
  color: var(--text-2);
  letter-spacing: 0.8px;
  text-transform: uppercase;
  font-weight: 600;
}
.stat-value {
  font-size: 26px;
  font-weight: 800;
  color: var(--text-0);
  font-family: var(--font-mono);
  margin: 6px 0 4px;
  letter-spacing: -1px;
}
.stat-change {
  font-size: 12px;
  font-family: var(--font-mono);
  font-weight: 500;
}
.stat-change.up { color: var(--bull); }
.stat-change.dn { color: var(--bear); }
.sparkline { display: block; margin-top: 8px; opacity: 0.7; }

/* ── MAIN LAYOUT ── */
.main-layout {
  display: grid;
  grid-template-columns: 1fr 340px;
  gap: 0;
  max-width: 1400px;
  margin: 0 auto;
  padding: 20px 24px;
  gap: 20px;
}

/* ── CHART ── */
.chart-section {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.chart-header {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
}
.symbol-search { position: relative; }
.symbol-input {
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text-0);
  font-family: var(--font-mono);
  font-size: 14px;
  padding: 8px 14px;
  width: 180px;
  transition: var(--transition);
}
.symbol-input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 2px var(--accent-dim);
}
.symbol-input.small { width: 130px; font-size: 12px; padding: 5px 10px; }
.symbol-dropdown {
  position: absolute;
  top: calc(100% + 4px);
  left: 0;
  width: 240px;
  background: var(--bg-3);
  border: 1px solid var(--border-bright);
  border-radius: var(--radius);
  z-index: 200;
  max-height: 260px;
  overflow-y: auto;
  display: none;
  box-shadow: var(--shadow);
}
.symbol-dropdown.open { display: block; }
.drop-item {
  padding: 8px 14px;
  cursor: pointer;
  font-family: var(--font-mono);
  font-size: 13px;
  display: flex;
  justify-content: space-between;
  gap: 8px;
  transition: var(--transition);
}
.drop-item:hover { background: var(--bg-1); color: var(--accent); }
.drop-item .di-sym { font-weight: 600; }
.drop-item .di-name { color: var(--text-2); font-size: 11px; }
.chart-controls { display: flex; gap: 8px; align-items: center; }
.timeframe-btns, .chart-type-btns {
  display: flex;
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}
.tf-btn, .ct-btn {
  background: none;
  border: none;
  color: var(--text-2);
  font-size: 12px;
  font-weight: 600;
  padding: 6px 12px;
  cursor: pointer;
  transition: var(--transition);
  font-family: var(--font-main);
}
.tf-btn:hover, .tf-btn.active,
.ct-btn:hover, .ct-btn.active {
  background: var(--accent-dim);
  color: var(--accent);
}
.indicator-toggles {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}
.ind-toggle {
  display: flex;
  align-items: center;
  gap: 4px;
  cursor: pointer;
  font-size: 11px;
  color: var(--text-2);
  font-weight: 600;
  letter-spacing: 0.4px;
}
.ind-toggle input { accent-color: var(--accent); }
.ind-toggle:hover { color: var(--text-1); }
.chart-container {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  height: 460px;
  overflow: hidden;
}
.chart-crosshair-info {
  display: flex;
  gap: 20px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-1);
  padding: 8px 4px;
}
.chart-crosshair-info span { transition: var(--transition); }

/* ── SIDEBAR ── */
.sidebar { display: flex; flex-direction: column; gap: 14px; }
.sidebar-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}
.card-header {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 14px 16px;
  border-bottom: 1px solid var(--border);
  background: var(--bg-2);
}
.card-icon {
  color: var(--accent);
  font-size: 14px;
  font-weight: 700;
}
.card-title {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.8px;
  text-transform: uppercase;
  color: var(--text-1);
  flex: 1;
}
.ai-refresh-btn {
  background: var(--accent-dim);
  border: 1px solid var(--accent);
  color: var(--accent);
  font-size: 11px;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: 4px;
  cursor: pointer;
  transition: var(--transition);
  font-family: var(--font-main);
}
.ai-refresh-btn:hover { background: var(--accent); color: var(--bg-0); }
.ai-refresh-btn.loading { opacity: 0.6; pointer-events: none; }
.ai-sentiment { padding: 12px 16px 0; }
.sentiment-badge {
  display: inline-block;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 2px;
  padding: 4px 12px;
  border-radius: 20px;
  text-transform: uppercase;
}
.sentiment-badge.bullish { background: var(--bull-dim); color: var(--bull); border: 1px solid var(--bull); }
.sentiment-badge.bearish { background: var(--bear-dim); color: var(--bear); border: 1px solid var(--bear); }
.sentiment-badge.neutral { background: var(--bg-3); color: var(--text-1); border: 1px solid var(--border); }
.ai-output {
  padding: 12px 16px 16px;
  font-size: 13px;
  color: var(--text-1);
  line-height: 1.7;
  max-height: 240px;
  overflow-y: auto;
}
.ai-placeholder { color: var(--text-2); font-style: italic; }
.ai-output p { margin-bottom: 8px; }
.ai-output strong { color: var(--accent); }

/* Stats grid */
.stats-grid { padding: 12px 16px; }
.stat-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 5px 0;
  border-bottom: 1px solid var(--border);
  font-size: 12px;
}
.stat-row:last-child { border-bottom: none; }
.stat-row span:first-child { color: var(--text-2); }
.stat-row span:last-child {
  font-family: var(--font-mono);
  color: var(--text-0);
  font-size: 11px;
}

/* Movers */
.mover-tabs { display: flex; gap: 4px; margin-left: auto; }
.mover-tab {
  background: none;
  border: 1px solid var(--border);
  color: var(--text-2);
  font-size: 10px;
  font-weight: 700;
  padding: 3px 8px;
  border-radius: 4px;
  cursor: pointer;
  transition: var(--transition);
  font-family: var(--font-main);
}
.mover-tab.active { background: var(--accent-dim); border-color: var(--accent); color: var(--accent); }
.movers-list { padding: 8px 0; }
.mover-row {
  display: flex;
  align-items: center;
  padding: 7px 16px;
  transition: var(--transition);
  cursor: pointer;
  gap: 8px;
}
.mover-row:hover { background: var(--bg-2); }
.mover-sym { font-weight: 700; font-size: 12px; flex: 1; }
.mover-ltp { font-family: var(--font-mono); font-size: 12px; color: var(--text-1); }
.mover-chg {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  padding: 2px 6px;
  border-radius: 4px;
  min-width: 56px;
  text-align: right;
}
.mover-chg.up { color: var(--bull); background: var(--bull-dim); }
.mover-chg.dn { color: var(--bear); background: var(--bear-dim); }

/* ── HEATMAP ── */
.heatmap-section, .prob-section, .corr-section, .filter-section {
  max-width: 1400px;
  margin: 0 auto 24px;
  padding: 0 24px;
}
.section-header { margin-bottom: 16px; }
.section-header h2 {
  font-size: 18px;
  font-weight: 800;
  letter-spacing: -0.3px;
}
.section-sub { font-size: 12px; color: var(--text-2); margin-top: 2px; }
.heatmap-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
  gap: 6px;
}
.hm-cell {
  border-radius: var(--radius);
  padding: 10px 12px;
  cursor: pointer;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}
.hm-cell:hover { transform: scale(1.03); z-index: 2; }
.hm-cell .hm-name { font-size: 11px; font-weight: 700; color: rgba(255,255,255,0.9); }
.hm-cell .hm-pct { font-size: 14px; font-weight: 800; margin-top: 4px; color: white; font-family: var(--font-mono); }

/* ── PROBABILITY ── */
.prob-layout { display: flex; gap: 24px; align-items: center; flex-wrap: wrap; }
.prob-stats { display: flex; flex-direction: column; gap: 10px; min-width: 220px; }
.prob-item {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  font-size: 13px;
  padding: 8px 12px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}
.prob-item span:last-child {
  font-family: var(--font-mono);
  font-weight: 600;
  color: var(--accent);
}

/* ── CORRELATION ── */
.corr-controls {
  display: flex;
  gap: 8px;
  align-items: center;
  flex-wrap: wrap;
  margin-bottom: 16px;
}
.corr-tags { display: flex; gap: 4px; flex-wrap: wrap; }
.corr-tag {
  background: var(--accent-dim);
  border: 1px solid var(--accent);
  color: var(--accent);
  font-size: 11px;
  font-weight: 700;
  padding: 3px 8px;
  border-radius: 4px;
  display: flex;
  align-items: center;
  gap: 4px;
}
.corr-tag button {
  background: none;
  border: none;
  color: var(--accent);
  cursor: pointer;
  font-size: 12px;
  padding: 0;
  line-height: 1;
}
.corr-matrix-wrap { overflow-x: auto; }
.corr-table {
  border-collapse: collapse;
  font-family: var(--font-mono);
  font-size: 12px;
}
.corr-table th, .corr-table td {
  padding: 8px 14px;
  border: 1px solid var(--border);
  text-align: center;
  min-width: 80px;
}
.corr-table th { background: var(--bg-2); color: var(--text-1); font-size: 11px; }
.corr-cell-high { background: rgba(0,200,150,0.35); }
.corr-cell-med { background: rgba(0,200,150,0.15); }
.corr-cell-low { background: rgba(255,77,106,0.15); }
.corr-cell-neg { background: rgba(255,77,106,0.35); }
.corr-cell-self { background: var(--accent-dim); color: var(--accent); }

/* ── FILTER & TABLE ── */
.filter-bar {
  display: flex;
  gap: 12px;
  align-items: flex-end;
  flex-wrap: wrap;
  padding: 16px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
  border-bottom: none;
}
.filter-group { display: flex; flex-direction: column; gap: 4px; }
.filter-group label { font-size: 10px; color: var(--text-2); font-weight: 700; letter-spacing: 0.6px; text-transform: uppercase; }
.filter-group select, .filter-group input {
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text-0);
  font-size: 13px;
  padding: 6px 10px;
  font-family: var(--font-main);
}
.filter-group select:focus, .filter-group input:focus {
  outline: none;
  border-color: var(--accent);
}
.table-wrap { overflow-x: auto; }
.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}
.data-table thead th {
  background: var(--bg-2);
  color: var(--text-1);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  padding: 10px 14px;
  border-bottom: 1px solid var(--border);
  cursor: pointer;
  transition: var(--transition);
  text-align: left;
  white-space: nowrap;
}
.data-table thead th:hover { color: var(--accent); }
.data-table tbody tr {
  border-bottom: 1px solid var(--border);
  transition: var(--transition);
}
.data-table tbody tr:hover { background: var(--bg-2); cursor: pointer; }
.data-table tbody td {
  padding: 9px 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  white-space: nowrap;
}
.td-sym { font-weight: 700; font-family: var(--font-main); color: var(--text-0); }
.td-up { color: var(--bull); }
.td-dn { color: var(--bear); }
.td-neu { color: var(--text-1); }
.loading-row { text-align: center; color: var(--text-2); padding: 40px !important; font-size: 14px; }
.btn-sm {
  background: var(--bg-2);
  border: 1px solid var(--border);
  color: var(--text-1);
  font-size: 12px;
  font-weight: 600;
  padding: 6px 12px;
  border-radius: var(--radius);
  cursor: pointer;
  transition: var(--transition);
  font-family: var(--font-main);
  align-self: flex-end;
}
.btn-sm:hover { border-color: var(--accent); color: var(--accent); }
.btn-primary {
  background: var(--accent-dim);
  border: 1px solid var(--accent);
  color: var(--accent);
  font-size: 12px;
  font-weight: 700;
  padding: 6px 14px;
  border-radius: var(--radius);
  cursor: pointer;
  transition: var(--transition);
  font-family: var(--font-main);
}
.btn-primary:hover { background: var(--accent); color: var(--bg-0); }

/* ── FOOTER ── */
.footer {
  text-align: center;
  padding: 24px;
  color: var(--text-2);
  font-size: 12px;
  border-top: 1px solid var(--border);
}

/* ── SCROLLBAR ── */
::-webkit-scrollbar { width: 5px; height: 5px; }
::-webkit-scrollbar-track { background: var(--bg-1); }
::-webkit-scrollbar-thumb { background: var(--border-bright); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--accent); }

/* ── SPINNER / LOADER ── */
@keyframes spin { to { transform: rotate(360deg); } }
.spinner {
  display: inline-block;
  width: 16px; height: 16px;
  border: 2px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
  vertical-align: middle;
}

/* ── RESPONSIVE ── */
@media (max-width: 1100px) {
  .main-layout { grid-template-columns: 1fr; }
  .sidebar { flex-direction: row; flex-wrap: wrap; }
  .sidebar-card { flex: 1 1 300px; }
  .hero-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 640px) {
  .header { padding: 0 12px; }
  .hero-grid { grid-template-columns: 1fr; }
  .main-layout { padding: 12px; }
  .nav { display: none; }
  .hero-stats, .heatmap-section, .prob-section, .corr-section, .filter-section { padding: 0 12px; }
}