/* AI 모의투자 페이지 전용 스타일 */

.ai-trader-container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 2rem 1rem 4rem;
}

.ai-trader-header {
  text-align: center;
  margin-bottom: 2.5rem;
}

.ai-trader-header h1 {
  font-size: 2rem;
  margin: 0 0 0.75rem;
  color: var(--text-primary);
}

.ai-trader-subtitle {
  color: var(--text-secondary);
  max-width: 700px;
  margin: 0 auto 1rem;
  line-height: 1.6;
  font-size: 0.98rem;
}

.ai-trader-meta {
  display: flex;
  justify-content: center;
  gap: 1.25rem;
  flex-wrap: wrap;
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.ai-trader-meta .meta-item {
  background: var(--card-bg, #fff);
  padding: 0.4rem 0.85rem;
  border-radius: 999px;
  box-shadow: var(--shadow-sm);
}

.ai-trader-section {
  margin-bottom: 3rem;
}

.ai-trader-section .section-title {
  font-size: 1.3rem;
  margin-bottom: 1.25rem;
  color: var(--text-primary);
}

/* ----- Leaderboard ----- */

.leaderboard-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.25rem;
}

.leaderboard-card {
  background: var(--card-bg, #fff);
  border-radius: 14px;
  padding: 1.5rem 1.25rem;
  box-shadow: var(--shadow-sm);
  border-top: 4px solid var(--persona-color, #888);
  position: relative;
  transition: transform 0.2s, box-shadow 0.2s;
}

.leaderboard-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md, 0 6px 20px rgba(0,0,0,0.1));
}

.leaderboard-rank {
  position: absolute;
  top: -10px;
  right: 14px;
  background: var(--persona-color, #888);
  color: white;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.95rem;
  box-shadow: 0 2px 6px rgba(0,0,0,0.15);
}

.leaderboard-emoji {
  font-size: 2rem;
  margin-bottom: 0.5rem;
}

.leaderboard-name {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 0.4rem;
  color: var(--text-primary);
}

.leaderboard-return {
  font-size: 1.7rem;
  font-weight: 800;
  margin: 0.5rem 0 0.25rem;
}

.leaderboard-return.up { color: #ef4444; }
.leaderboard-return.down { color: #3b82f6; }
.leaderboard-return.flat { color: var(--text-secondary); }

.leaderboard-value {
  font-size: 0.95rem;
  color: var(--text-secondary);
  margin-bottom: 0.85rem;
}

.leaderboard-philosophy {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.5;
  border-top: 1px solid rgba(0,0,0,0.06);
  padding-top: 0.75rem;
}

/* ----- Performance chart ----- */

.performance-chart-wrapper {
  background: var(--card-bg, #fff);
  border-radius: 12px;
  padding: 1.25rem 1rem;
  box-shadow: var(--shadow-sm);
  position: relative;
  height: 320px;
}

.chart-caption {
  text-align: center;
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-top: 0.5rem;
}

/* ----- Persona detail ----- */

.persona-detail-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
}

.persona-detail-card {
  background: var(--card-bg, #fff);
  border-radius: 12px;
  padding: 1.25rem;
  box-shadow: var(--shadow-sm);
  border-left: 4px solid var(--persona-color, #888);
}

.persona-detail-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.85rem;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.persona-detail-title {
  font-size: 1.15rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.persona-detail-stats {
  font-size: 0.95rem;
  color: var(--text-secondary);
}

.persona-detail-stats .return-pct {
  font-weight: 700;
  font-size: 1.05rem;
}

.persona-detail-stats .return-pct.up { color: #ef4444; }
.persona-detail-stats .return-pct.down { color: #3b82f6; }

.persona-positions {
  width: 100%;
  border-collapse: collapse;
  margin-top: 0.5rem;
  font-size: 0.92rem;
}

.persona-positions th,
.persona-positions td {
  padding: 0.5rem 0.6rem;
  text-align: right;
  border-bottom: 1px solid rgba(0,0,0,0.05);
}

.persona-positions th:first-child,
.persona-positions td:first-child {
  text-align: left;
}

.persona-positions th {
  color: var(--text-secondary);
  font-weight: 500;
  font-size: 0.85rem;
}

.persona-positions .profit-up { color: #ef4444; }
.persona-positions .profit-down { color: #3b82f6; }

.persona-no-positions {
  color: var(--text-secondary);
  font-size: 0.9rem;
  text-align: center;
  padding: 1.25rem;
  font-style: italic;
}

.persona-daily-note {
  background: rgba(0,0,0,0.03);
  border-left: 3px solid var(--persona-color, #888);
  border-radius: 6px;
  padding: 0.85rem 1rem;
  margin: 0.75rem 0 1rem;
}

.persona-daily-note .note-label {
  font-size: 0.82rem;
  color: var(--text-secondary);
  margin-bottom: 0.4rem;
  font-weight: 500;
}

.persona-daily-note .note-body {
  font-size: 0.92rem;
  line-height: 1.6;
  color: var(--text-primary);
  white-space: pre-wrap;
}

[data-theme="dark"] .persona-daily-note { background: rgba(255,255,255,0.04); }
@media (prefers-color-scheme: dark) {
  .persona-daily-note { background: rgba(255,255,255,0.04); }
}

/* ----- Trades table ----- */

.trades-filter {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin-bottom: 1rem;
}

.trades-filter-btn {
  background: var(--card-bg, #fff);
  border: 1px solid rgba(0,0,0,0.08);
  border-radius: 999px;
  padding: 0.4rem 0.95rem;
  font-size: 0.88rem;
  cursor: pointer;
  color: var(--text-secondary);
  transition: all 0.15s;
}

.trades-filter-btn:hover {
  background: rgba(59,130,246,0.05);
}

.trades-filter-btn.active {
  background: var(--accent-color, #3b82f6);
  color: white;
  border-color: var(--accent-color, #3b82f6);
}

.trades-table-wrapper {
  background: var(--card-bg, #fff);
  border-radius: 12px;
  box-shadow: var(--shadow-sm);
  overflow-x: auto;
}

.trades-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
  min-width: 720px;
}

.trades-table th,
.trades-table td {
  padding: 0.7rem 0.85rem;
  text-align: left;
  border-bottom: 1px solid rgba(0,0,0,0.05);
}

.trades-table th {
  color: var(--text-secondary);
  font-weight: 500;
  font-size: 0.82rem;
  background: rgba(0,0,0,0.015);
}

.trades-table td.numeric { text-align: right; }
.trades-table .reason-col { max-width: 320px; }
.trades-table td.reason { color: var(--text-secondary); font-size: 0.86rem; line-height: 1.45; }

.trades-table .action-buy { color: #ef4444; font-weight: 600; }
.trades-table .action-sell { color: #3b82f6; font-weight: 600; }

.trades-empty {
  text-align: center;
  color: var(--text-secondary);
  padding: 2rem;
  font-size: 0.95rem;
}

/* ----- Disclaimer ----- */

.ai-trader-disclaimer {
  margin-top: 2rem;
  padding: 1rem 1.25rem;
  background: rgba(245, 158, 11, 0.08);
  border-left: 3px solid #f59e0b;
  border-radius: 8px;
}

.ai-trader-disclaimer p {
  margin: 0;
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

/* ----- Loading / empty ----- */

.leaderboard-loading {
  grid-column: 1 / -1;
  text-align: center;
  padding: 2rem;
  color: var(--text-secondary);
}

/* ----- Responsive ----- */

@media (max-width: 640px) {
  .ai-trader-container { padding: 1.25rem 0.75rem 3rem; }
  .ai-trader-header h1 { font-size: 1.6rem; }
  .leaderboard-card { padding: 1.25rem 1rem; }
  .leaderboard-return { font-size: 1.45rem; }
  .performance-chart-wrapper { height: 260px; padding: 0.75rem 0.5rem; }
}

/* Dark mode tweaks */
@media (prefers-color-scheme: dark) {
  .ai-trader-disclaimer { background: rgba(245, 158, 11, 0.1); }
  .trades-table th { background: rgba(255,255,255,0.03); }
  .leaderboard-philosophy { border-top-color: rgba(255,255,255,0.08); }
  .persona-positions th, .persona-positions td { border-bottom-color: rgba(255,255,255,0.06); }
  .trades-table th, .trades-table td { border-bottom-color: rgba(255,255,255,0.06); }
}
[data-theme="dark"] .ai-trader-disclaimer { background: rgba(245, 158, 11, 0.1); }
[data-theme="dark"] .trades-table th { background: rgba(255,255,255,0.03); }
[data-theme="dark"] .leaderboard-philosophy { border-top-color: rgba(255,255,255,0.08); }
[data-theme="dark"] .persona-positions th,
[data-theme="dark"] .persona-positions td { border-bottom-color: rgba(255,255,255,0.06); }
[data-theme="dark"] .trades-table th,
[data-theme="dark"] .trades-table td { border-bottom-color: rgba(255,255,255,0.06); }