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

:root {
  --bg-primary: #0a0e17;
  --bg-secondary: #111827;
  --bg-card: #1a2332;
  --border: #1e2d3d;
  --text-primary: #e2e8f0;
  --text-secondary: #94a3b8;
  --accent-green: #10b981;
  --accent-red: #ef4444;
  --accent-yellow: #f59e0b;
  --accent-blue: #3b82f6;
  --accent-gold: #fbbf24;
}

body {
  font-family: 'SF Mono', 'Fira Code', 'Cascadia Code', monospace;
  background: var(--bg-primary);
  color: var(--text-primary);
  min-height: 100vh;
}

/* Header */
header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 2rem;
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border);
  flex-wrap: wrap;
  gap: 1rem;
}

.header-left h1 {
  font-size: 1.4rem;
  color: var(--accent-gold);
}

.subtitle {
  font-size: 0.75rem;
  color: var(--text-secondary);
  margin-left: 0.5rem;
}

.header-right {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.price-display .label {
  font-size: 0.7rem;
  color: var(--text-secondary);
  display: block;
}

.price-display .price {
  font-size: 1.5rem;
  font-weight: bold;
  color: var(--accent-gold);
}

.signal-badge {
  padding: 0.4rem 1rem;
  border-radius: 6px;
  font-weight: bold;
  font-size: 0.85rem;
  text-transform: uppercase;
}

.signal-badge.buy { background: rgba(16, 185, 129, 0.2); color: var(--accent-green); border: 1px solid var(--accent-green); }
.signal-badge.sell { background: rgba(239, 68, 68, 0.2); color: var(--accent-red); border: 1px solid var(--accent-red); }
.signal-badge.hold { background: rgba(245, 158, 11, 0.2); color: var(--accent-yellow); border: 1px solid var(--accent-yellow); }

.last-update {
  font-size: 0.7rem;
  color: var(--text-secondary);
}

.user-info {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.user-name {
  font-size: 0.75rem;
  color: var(--accent-gold);
}

.logout-btn {
  padding: 0.25rem 0.6rem;
  background: rgba(239, 68, 68, 0.1);
  border: 1px solid rgba(239, 68, 68, 0.3);
  color: #ef4444;
  border-radius: 4px;
  cursor: pointer;
  font-family: inherit;
  font-size: 0.7rem;
  transition: all 0.2s;
}

.logout-btn:hover {
  background: rgba(239, 68, 68, 0.25);
}

/* Main */
main {
  max-width: 1400px;
  margin: 0 auto;
  padding: 1.5rem;
}

/* Stats Row */
.stats-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1rem;
  text-align: center;
}

.stat-label {
  font-size: 0.7rem;
  color: var(--text-secondary);
  text-transform: uppercase;
  display: block;
  margin-bottom: 0.4rem;
}

.stat-value {
  font-size: 1.3rem;
  font-weight: bold;
}

.stat-value.positive { color: var(--accent-green); }
.stat-value.negative { color: var(--accent-red); }

/* Latest Signal */
.latest-signal {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1.5rem;
  margin-bottom: 1.5rem;
}

.latest-signal h2 {
  font-size: 1rem;
  color: var(--accent-gold);
  margin-bottom: 1rem;
}

.signal-detail {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 1.5rem;
}

.signal-direction {
  font-size: 2rem;
  font-weight: bold;
  text-align: center;
  padding: 1rem;
  border-radius: 8px;
}

.signal-direction.buy { background: rgba(16, 185, 129, 0.1); color: var(--accent-green); }
.signal-direction.sell { background: rgba(239, 68, 68, 0.1); color: var(--accent-red); }
.signal-direction.hold { background: rgba(245, 158, 11, 0.1); color: var(--accent-yellow); }

.signal-meta p {
  margin: 0.3rem 0;
  font-size: 0.85rem;
}

.signal-meta strong {
  color: var(--text-secondary);
}

.signal-reasoning {
  border-left: 2px solid var(--border);
  padding-left: 1rem;
}

.signal-reasoning h3 {
  font-size: 0.8rem;
  color: var(--accent-blue);
  margin: 0.8rem 0 0.3rem;
}

.signal-reasoning p {
  font-size: 0.85rem;
  line-height: 1.5;
  color: var(--text-secondary);
}

/* Two Column Layout */
.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  margin-bottom: 1.5rem;
}

.chart-section {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1.5rem;
}

.chart-section h2 {
  font-size: 1rem;
  color: var(--accent-gold);
  margin-bottom: 1rem;
}

canvas {
  width: 100% !important;
  max-height: 300px;
}

/* History Table */
.history-section {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1.5rem;
}

.history-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1rem;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.history-header h2 {
  font-size: 1rem;
  color: var(--accent-gold);
}

.filter-group {
  display: flex;
  gap: 0.3rem;
}

.filter-btn {
  padding: 0.3rem 0.8rem;
  border: 1px solid var(--border);
  background: var(--bg-secondary);
  color: var(--text-secondary);
  border-radius: 4px;
  cursor: pointer;
  font-family: inherit;
  font-size: 0.75rem;
}

.filter-btn.active {
  background: var(--accent-blue);
  color: white;
  border-color: var(--accent-blue);
}

.table-wrap {
  overflow-x: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.8rem;
}

th {
  text-align: left;
  padding: 0.6rem;
  border-bottom: 1px solid var(--border);
  color: var(--text-secondary);
  font-size: 0.7rem;
  text-transform: uppercase;
}

td {
  padding: 0.6rem;
  border-bottom: 1px solid rgba(30, 45, 61, 0.5);
}

tr:hover {
  background: rgba(59, 130, 246, 0.05);
}

.dir-buy { color: var(--accent-green); font-weight: bold; }
.dir-sell { color: var(--accent-red); font-weight: bold; }
.dir-hold { color: var(--accent-yellow); }

/* AI Analysis Section */
.ai-analysis-section {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1.5rem;
  margin-bottom: 1.5rem;
}

.ai-analysis-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1rem;
}

.ai-analysis-header h2 {
  font-size: 1rem;
  color: var(--accent-gold);
}

.ai-btn {
  padding: 0.5rem 1.2rem;
  background: linear-gradient(135deg, rgba(251, 191, 36, 0.2), rgba(59, 130, 246, 0.2));
  color: var(--accent-gold);
  border: 1px solid rgba(251, 191, 36, 0.3);
  border-radius: 6px;
  cursor: pointer;
  font-family: inherit;
  font-size: 0.8rem;
  font-weight: bold;
  transition: all 0.2s;
}

.ai-btn:hover { background: linear-gradient(135deg, rgba(251, 191, 36, 0.35), rgba(59, 130, 246, 0.35)); }
.ai-btn:disabled { opacity: 0.5; cursor: not-allowed; }

.ai-analysis-content.hidden { display: none; }

.ai-sentiment-bar {
  display: flex;
  gap: 1rem;
  align-items: center;
  margin-bottom: 1.2rem;
  flex-wrap: wrap;
}

.ai-sentiment {
  padding: 0.3rem 0.8rem;
  border-radius: 4px;
  font-weight: bold;
  font-size: 0.8rem;
}

.ai-sentiment.bullish { background: rgba(16, 185, 129, 0.15); color: var(--accent-green); }
.ai-sentiment.bearish { background: rgba(239, 68, 68, 0.15); color: var(--accent-red); }
.ai-sentiment.neutral { background: rgba(245, 158, 11, 0.15); color: var(--accent-yellow); }

.ai-bias {
  padding: 0.3rem 0.8rem;
  border-radius: 4px;
  font-size: 0.8rem;
  font-weight: bold;
}

.ai-bias.buy { color: var(--accent-green); background: rgba(16, 185, 129, 0.1); }
.ai-bias.sell { color: var(--accent-red); background: rgba(239, 68, 68, 0.1); }
.ai-bias.hold { color: var(--accent-yellow); background: rgba(245, 158, 11, 0.1); }

.ai-levels { font-size: 0.8rem; color: var(--text-secondary); }

.ai-analysis-cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-bottom: 1rem;
}

.ai-card {
  background: var(--bg-secondary);
  border-radius: 8px;
  padding: 1rem;
}

.ai-card h3 {
  font-size: 0.8rem;
  color: var(--accent-blue);
  margin-bottom: 0.6rem;
}

.ai-card:last-child h3 { color: var(--accent-gold); }

.ai-card p {
  font-size: 0.85rem;
  line-height: 1.7;
  color: var(--text-primary);
}

.ai-stats-row {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 0.8rem;
}

.ai-stat {
  text-align: center;
  background: var(--bg-secondary);
  border-radius: 6px;
  padding: 0.6rem;
}

.ai-stat-label {
  display: block;
  font-size: 0.65rem;
  color: var(--text-secondary);
  text-transform: uppercase;
  margin-bottom: 0.2rem;
}

.ai-stat-value {
  font-size: 1rem;
  font-weight: bold;
}

/* History Controls */
.history-controls {
  display: flex;
  gap: 1rem;
  align-items: center;
  flex-wrap: wrap;
}

.date-filters {
  display: flex;
  gap: 0.5rem;
  align-items: center;
  flex-wrap: wrap;
}

.date-filters label {
  font-size: 0.7rem;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: 0.3rem;
}

.date-input {
  padding: 0.3rem 0.5rem;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 4px;
  color: var(--text-primary);
  font-family: inherit;
  font-size: 0.75rem;
}

.date-input::-webkit-calendar-picker-indicator { filter: invert(0.7); }

.filter-apply-btn, .filter-clear-btn {
  padding: 0.3rem 0.7rem;
  border-radius: 4px;
  font-family: inherit;
  font-size: 0.75rem;
  cursor: pointer;
  border: 1px solid var(--border);
}

.filter-apply-btn {
  background: var(--accent-blue);
  color: white;
  border-color: var(--accent-blue);
}

.filter-clear-btn {
  background: var(--bg-secondary);
  color: var(--text-secondary);
}

.filter-apply-btn:hover { opacity: 0.85; }
.filter-clear-btn:hover { color: var(--text-primary); }

/* Pagination */
.pagination {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 1rem;
  margin-top: 1rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border);
}

.page-btn {
  padding: 0.4rem 1rem;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 4px;
  color: var(--text-primary);
  cursor: pointer;
  font-family: inherit;
  font-size: 0.8rem;
  transition: all 0.2s;
}

.page-btn:hover:not(:disabled) { background: var(--accent-blue); border-color: var(--accent-blue); }
.page-btn:disabled { opacity: 0.3; cursor: not-allowed; }

.page-info {
  font-size: 0.8rem;
  color: var(--text-secondary);
}

/* View Button */
.view-btn {
  padding: 0.3rem 0.8rem;
  background: rgba(59, 130, 246, 0.15);
  color: var(--accent-blue);
  border: 1px solid rgba(59, 130, 246, 0.3);
  border-radius: 4px;
  cursor: pointer;
  font-family: inherit;
  font-size: 0.75rem;
  transition: all 0.2s;
}

.view-btn:hover {
  background: rgba(59, 130, 246, 0.3);
  border-color: var(--accent-blue);
}

/* Modal */
.modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(4px);
  z-index: 1000;
  justify-content: center;
  align-items: center;
}

.modal-overlay.active {
  display: flex;
}

.modal-content {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  width: 90%;
  max-width: 600px;
  max-height: 80vh;
  overflow-y: auto;
  position: relative;
  animation: modalIn 0.2s ease-out;
}

@keyframes modalIn {
  from { opacity: 0; transform: scale(0.95) translateY(10px); }
  to { opacity: 1; transform: scale(1) translateY(0); }
}

.modal-close {
  position: absolute;
  top: 0.8rem;
  right: 1rem;
  background: none;
  border: none;
  color: var(--text-secondary);
  font-size: 1.5rem;
  cursor: pointer;
  line-height: 1;
}

.modal-close:hover { color: var(--text-primary); }

.modal-header {
  padding: 1.5rem 1.5rem 1rem;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}

.modal-direction {
  font-size: 1.4rem;
  font-weight: bold;
  padding: 0.3rem 1rem;
  border-radius: 6px;
}

.modal-direction.buy { background: rgba(16, 185, 129, 0.15); color: var(--accent-green); }
.modal-direction.sell { background: rgba(239, 68, 68, 0.15); color: var(--accent-red); }
.modal-direction.hold { background: rgba(245, 158, 11, 0.15); color: var(--accent-yellow); }

.modal-meta {
  display: flex;
  gap: 1.2rem;
  font-size: 0.8rem;
  color: var(--text-secondary);
  flex-wrap: wrap;
}

.modal-meta strong { color: var(--text-primary); }

.modal-body { padding: 1.5rem; }

.modal-section {
  margin-bottom: 1.5rem;
}

.modal-section:last-child { margin-bottom: 0; }

.modal-section h3 {
  font-size: 0.85rem;
  color: var(--accent-gold);
  margin-bottom: 0.6rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.modal-section p {
  font-size: 0.9rem;
  line-height: 1.7;
  color: var(--text-primary);
  background: var(--bg-secondary);
  padding: 1rem;
  border-radius: 8px;
  border-left: 3px solid var(--accent-blue);
}

.modal-section:last-child p {
  border-left-color: var(--accent-gold);
}

/* Footer */
footer {
  text-align: center;
  padding: 1rem;
  color: var(--text-secondary);
  font-size: 0.7rem;
  border-top: 1px solid var(--border);
}

/* Responsive */
@media (max-width: 768px) {
  header { padding: 0.8rem 1rem; }
  main { padding: 1rem; }
  .signal-detail { grid-template-columns: 1fr; }
  .two-col { grid-template-columns: 1fr; }
  .stats-row { grid-template-columns: repeat(2, 1fr); }
  .ai-analysis-cards { grid-template-columns: 1fr; }
  .ai-stats-row { grid-template-columns: repeat(3, 1fr); }
  .history-controls { flex-direction: column; align-items: flex-start; }
  .date-filters { width: 100%; }
  .modal-content { width: 95%; }
}