/* ═══════════════════════════════════════════════════════════════
   Simple Stock Game — Fintech terminal UI
   ═══════════════════════════════════════════════════════════════ */
:root {
  --bg-deep:    #06080c;
  --bg-surface: #0c1018;
  --bg-elevated:#121820;
  --bg-glass:   rgba(12, 16, 24, 0.85);

  --slate-100:  #e2e8f0;
  --slate-300:  #94a3b8;
  --slate-500:  #64748b;
  --slate-700:  #334155;

  --emerald:    #00e676;
  --cyan:       #00e5ff;
  --amber:      #ffb300;
  --red:        #ff5252;

  --glow-emerald: 0 0 20px rgba(0, 230, 118, 0.25);
  --glow-cyan:    0 0 20px rgba(0, 229, 255, 0.2);

  --font-display: 'Syne', system-ui, sans-serif;
  --font-mono:    'JetBrains Mono', 'Courier New', monospace;

  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;
}

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

html, body {
  min-height: 100%;
}

body {
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.5;
  color: var(--slate-300);
  background: var(--bg-deep);
  -webkit-font-smoothing: antialiased;
}

::selection {
  background: rgba(0, 230, 118, 0.25);
  color: var(--slate-100);
}

/* Ambient grid */
.ambient-grid {
  position: fixed;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(rgba(0, 230, 118, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 230, 118, 0.03) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse at 50% 0%, #000 0%, transparent 75%);
}

.app {
  position: relative;
  z-index: 1;
  max-width: 1280px;
  margin: 0 auto;
  padding: clamp(20px, 4vw, 40px);
}

/* ─── Topbar ─── */
.topbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: clamp(24px, 4vw, 36px);
  padding-bottom: 24px;
  border-bottom: 1px solid rgba(0, 230, 118, 0.08);
}

.brand {
  display: flex;
  align-items: center;
  gap: 16px;
}

.status-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--emerald);
  box-shadow: var(--glow-emerald);
  animation: pulse 2s ease-in-out infinite;
  flex-shrink: 0;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.9); }
}

.brand-eyebrow {
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--cyan);
  margin-bottom: 4px;
}

.brand h1 {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--slate-100);
}

.topbar-meta {
  display: flex;
  gap: 10px;
}

.meta-chip {
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  background: var(--bg-elevated);
  border: 1px solid rgba(255, 255, 255, 0.06);
  color: var(--slate-500);
}

.meta-chip.live {
  color: var(--emerald);
  border-color: rgba(0, 230, 118, 0.2);
  background: rgba(0, 230, 118, 0.06);
}

/* ─── Stats ─── */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin-bottom: 20px;
}

.stat-card {
  padding: 20px 22px;
  background: var(--bg-surface);
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: var(--radius-lg);
  display: flex;
  flex-direction: column;
  gap: 8px;
  transition: border-color 0.25s, box-shadow 0.25s;
}

.stat-card:hover {
  border-color: rgba(0, 230, 118, 0.12);
}

.stat-card--primary {
  background: linear-gradient(135deg, var(--bg-surface) 0%, rgba(0, 230, 118, 0.04) 100%);
  border-color: rgba(0, 230, 118, 0.15);
}

.stat-card--primary .stat-value {
  color: var(--emerald);
  text-shadow: var(--glow-emerald);
}

.stat-card--timer {
  align-items: flex-start;
}

.stat-label {
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--slate-500);
}

.stat-value {
  font-family: var(--font-display);
  font-size: clamp(1.4rem, 3vw, 1.85rem);
  font-weight: 700;
  color: var(--slate-100);
  font-variant-numeric: tabular-nums;
}

.stat-value::before {
  content: '$';
  font-size: 0.65em;
  color: var(--slate-500);
  margin-right: 2px;
}

.stat-value--timer::before {
  content: none;
}

.timer-ring {
  display: flex;
  align-items: baseline;
  gap: 6px;
}

.timer-unit {
  font-size: 11px;
  color: var(--slate-500);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.stat-card--timer .stat-value {
  color: var(--amber);
}

.stat-card--timer.tick-soon {
  border-color: rgba(255, 179, 0, 0.35);
  box-shadow: 0 0 24px rgba(255, 179, 0, 0.08);
}

/* ─── Panels ─── */
.panel {
  background: var(--bg-surface);
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 18px;
  background: var(--bg-elevated);
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
}

.panel-header h2 {
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--slate-100);
  text-transform: uppercase;
}

.panel-tag {
  font-size: 9px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--slate-500);
  padding: 3px 8px;
  border-radius: 3px;
  border: 1px solid rgba(255, 255, 255, 0.06);
}

/* ─── Charts ─── */
.charts-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 20px;
}

.chart-panel .chart-wrap {
  position: relative;
  width: 100%;
  height: 260px;
  padding: 12px 8px 8px;
}

.chart-panel--equity .chart-wrap {
  height: 320px;
  padding-bottom: 8px;
}

/* Let Chart.js own canvas sizing — do not force width/height in CSS */
.chart-wrap canvas {
  display: block;
}

/* ─── Main layout ─── */
.main-grid {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 16px;
  align-items: stretch;
}

.table-panel,
.feed-panel {
  display: flex;
  flex-direction: column;
  min-height: 0;
}

.table-scroll {
  overflow: visible;
  flex: 0 0 auto;
}

.table-scroll::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}

.table-scroll::-webkit-scrollbar-thumb {
  background: var(--slate-700);
  border-radius: 3px;
}

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

thead {
  position: sticky;
  top: 0;
  z-index: 2;
  background: var(--bg-elevated);
}

th {
  padding: 12px 14px;
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--slate-500);
  text-align: left;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

th:last-child,
td.actions {
  text-align: right;
}

td {
  padding: 11px 14px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.03);
  vertical-align: middle;
}

tbody tr {
  transition: background 0.2s;
}

tbody tr:hover {
  background: rgba(0, 230, 118, 0.03);
}

tbody tr.price-flash-up {
  animation: flash-up 0.6s ease;
}

tbody tr.price-flash-down {
  animation: flash-down 0.6s ease;
}

@keyframes flash-up {
  from { background: rgba(0, 230, 118, 0.15); }
  to   { background: transparent; }
}

@keyframes flash-down {
  from { background: rgba(255, 82, 82, 0.15); }
  to   { background: transparent; }
}

.ticker-name {
  font-weight: 600;
  color: var(--slate-100);
  font-size: 12px;
}

.price-cell {
  font-variant-numeric: tabular-nums;
  color: var(--cyan);
  font-weight: 500;
}

.qty-cell {
  font-variant-numeric: tabular-nums;
  color: var(--slate-300);
}

.qty-cell.has-position {
  color: var(--emerald);
  font-weight: 600;
}

.pnl-cell {
  font-variant-numeric: tabular-nums;
  font-weight: 500;
  white-space: nowrap;
}

.pnl-cell.empty {
  color: var(--slate-700);
  text-align: center;
}

.pnl-cell.profit {
  color: var(--emerald);
}

.pnl-cell.loss {
  color: var(--red);
}

/* ─── Buttons ─── */
.actions {
  display: flex;
  gap: 8px;
  justify-content: flex-end;
}

button {
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 7px 14px;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: transform 0.15s, box-shadow 0.15s, opacity 0.15s;
}

button:active:not(:disabled) {
  transform: scale(0.97);
}

button.buy {
  background: rgba(0, 230, 118, 0.12);
  color: var(--emerald);
  border-color: rgba(0, 230, 118, 0.3);
}

button.buy:hover:not(:disabled) {
  background: rgba(0, 230, 118, 0.2);
  box-shadow: var(--glow-emerald);
}

button.sell {
  background: rgba(255, 82, 82, 0.1);
  color: var(--red);
  border-color: rgba(255, 82, 82, 0.28);
}

button.sell:hover:not(:disabled) {
  background: rgba(255, 82, 82, 0.18);
  box-shadow: 0 0 16px rgba(255, 82, 82, 0.2);
}

button:disabled {
  opacity: 0.35;
  cursor: not-allowed;
}

/* ─── Transaction feed ─── */
.feed-panel {
  overflow: hidden;
}

.tx-feed {
  list-style: none;
  overflow-y: auto;
  overflow-x: hidden;
  flex: 1;
  min-height: 0;
  padding: 12px;
}

.tx-feed::-webkit-scrollbar {
  width: 6px;
}

.tx-feed::-webkit-scrollbar-thumb {
  background: var(--slate-700);
  border-radius: 3px;
}

.tx-feed:empty::after {
  content: 'No fills yet — place a trade.';
  display: block;
  padding: 24px 12px;
  font-size: 11px;
  color: var(--slate-500);
  text-align: center;
}

.tx-feed li {
  padding: 10px 12px;
  margin-bottom: 8px;
  border-radius: var(--radius-sm);
  background: var(--bg-elevated);
  border-left: 2px solid var(--slate-700);
  font-size: 11px;
  line-height: 1.5;
}

.tx-feed li.tx-new {
  animation: tx-in 0.3s ease;
}

@keyframes tx-in {
  from { opacity: 0; transform: translateX(8px); }
  to   { opacity: 1; transform: translateX(0); }
}

.tx-feed li.buy {
  border-left-color: var(--emerald);
}

.tx-feed li.sell {
  border-left-color: var(--red);
}

.tx-row {
  display: flex;
  align-items: baseline;
  gap: 10px;
  flex-wrap: wrap;
}

.tx-time {
  font-size: 10px;
  font-variant-numeric: tabular-nums;
  color: var(--slate-500);
  letter-spacing: 0.04em;
  flex-shrink: 0;
}

.tx-action {
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.tx-feed li.buy .tx-action { color: var(--emerald); }
.tx-feed li.sell .tx-action { color: var(--red); }

.tx-detail {
  color: var(--slate-500);
  margin-top: 2px;
  font-variant-numeric: tabular-nums;
}

/* ─── Responsive ─── */
@media (max-width: 960px) {
  .stats-grid {
    grid-template-columns: 1fr;
  }

  .charts-grid {
    grid-template-columns: 1fr;
  }

  .main-grid {
    grid-template-columns: 1fr;
  }

  .feed-panel {
    min-height: 320px;
  }

  .tx-feed {
    max-height: 320px;
  }
}

@media (max-width: 560px) {
  .actions {
    flex-direction: column;
    align-items: stretch;
  }

  button {
    width: 100%;
  }
}