/* ═══ RESET & BASE ═══ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
:root {
  --bg-primary:   #0a0a14;
  --bg-secondary: #111128;
  --bg-card:      #161636;
  --bg-card-alt:  #1a1a3e;
  --border:       #2a2a5a;
  --text-primary: #e8e8f0;
  --text-secondary: #8888aa;
  --text-muted:   #5a5a7a;
  --accent:       #6366f1;
  --accent-glow:  rgba(99,102,241,0.25);
  --buy:          #22c55e;
  --buy-bg:       rgba(34,197,94,0.12);
  --sell:         #ef4444;
  --sell-bg:      rgba(239,68,68,0.12);
  --hold:         #f59e0b;
  --hold-bg:      rgba(245,158,11,0.12);
  --gold:         #fbbf24;
  --radius:       12px;
  --radius-sm:    8px;
  --font-main:    'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono:    'JetBrains Mono', 'Fira Code', monospace;
}
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-main);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--accent); text-decoration: none; transition: color .2s; }
a:hover { color: #818cf8; }
.container { max-width: 1280px; margin: 0 auto; padding: 0 20px; }

/* ═══ HEADER ═══ */
.header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(10,10,20,0.85);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  padding: 14px 0;
}
.header-inner { display: flex; align-items: center; justify-content: space-between; }
.logo { display: flex; align-items: center; gap: 10px; }
.logo-icon svg { width: 32px; height: 32px; }
.logo-text { font-size: 1.3rem; font-weight: 700; color: var(--text-primary); letter-spacing: -0.5px; }
.logo-accent { color: var(--accent); }
.header-status { display: flex; align-items: center; gap: 8px; font-size: 0.85rem; }
.status-dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--hold);
  animation: pulse 2s infinite;
}
.status-dot.live { background: var(--buy); }
.status-dot.error { background: var(--sell); animation: none; }
.status-text { color: var(--text-secondary); }

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

/* ═══ HERO ═══ */
.hero {
  padding: 60px 0 40px;
  text-align: center;
  background: linear-gradient(180deg, var(--bg-secondary) 0%, var(--bg-primary) 100%);
  border-bottom: 1px solid var(--border);
}
.hero-title {
  font-size: clamp(1.8rem, 5vw, 3rem);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -1px;
  margin-bottom: 16px;
}
.hero-highlight {
  display: block;
  background: linear-gradient(135deg, var(--accent) 0%, #a78bfa 50%, var(--gold) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-subtitle {
  max-width: 680px;
  margin: 0 auto 32px;
  font-size: 1.05rem;
  color: var(--text-secondary);
  line-height: 1.7;
}
.hero-stats {
  display: flex; justify-content: center; gap: 16px; flex-wrap: wrap;
}
.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 16px 24px;
  text-align: center;
  min-width: 100px;
}
.stat-value {
  display: block;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--accent);
  font-family: var(--font-mono);
}
.stat-label {
  display: block;
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-top: 4px;
}

/* ═══ SYMBOL BUTTONS ═══ */
.symbols-section { padding: 24px 0; }
.symbol-buttons {
  display: flex; gap: 8px; flex-wrap: wrap; justify-content: center;
}
.sym-btn {
  display: flex; flex-direction: column; align-items: center;
  gap: 2px; padding: 12px 16px; min-width: 85px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  cursor: pointer;
  transition: all .2s ease;
  font-family: var(--font-main);
}
.sym-btn:hover {
  border-color: var(--accent);
  background: var(--bg-card-alt);
  color: var(--text-primary);
  transform: translateY(-2px);
}
.sym-btn.active {
  border-color: var(--accent);
  background: rgba(99,102,241,0.12);
  color: var(--text-primary);
  box-shadow: 0 0 20px var(--accent-glow);
}
.sym-icon { font-size: 1.2rem; }
.sym-name { font-size: 0.85rem; font-weight: 600; font-family: var(--font-mono); }
.sym-label { font-size: 0.65rem; text-transform: uppercase; letter-spacing: 0.5px; color: var(--text-muted); }

/* ═══ DASHBOARD GRID ═══ */
.dashboard { padding: 0 0 40px; }
.dashboard-grid {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 20px;
}

/* ═══ CHART ═══ */
.chart-wrapper {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}
.chart-header {
  display: flex; align-items: center; gap: 12px;
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
  font-size: 0.85rem;
}
.chart-symbol { font-weight: 700; font-size: 1rem; font-family: var(--font-mono); }
.chart-tf {
  background: var(--accent);
  color: #fff;
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 0.7rem;
  font-weight: 600;
}
.chart-last-bar { color: var(--text-muted); margin-left: auto; font-family: var(--font-mono); font-size: 0.8rem; }
.chart-container { height: 500px; }

/* ═══ SIGNAL PANEL ═══ */
.signal-panel { display: flex; flex-direction: column; gap: 0; }
.signal-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  display: flex; flex-direction: column; gap: 16px;
}
.signal-direction-wrap { text-align: center; }
.signal-direction {
  display: inline-block;
  font-size: 2rem;
  font-weight: 800;
  padding: 8px 32px;
  border-radius: var(--radius-sm);
  letter-spacing: 2px;
  background: var(--hold-bg);
  color: var(--hold);
}
.signal-direction.buy  { background: var(--buy-bg);  color: var(--buy); }
.signal-direction.sell { background: var(--sell-bg); color: var(--sell); }
.signal-direction.hold { background: var(--hold-bg); color: var(--hold); }
.signal-strength {
  margin-top: 6px;
  font-family: var(--font-mono);
  font-size: 1rem;
  letter-spacing: 2px;
  color: var(--text-muted);
}
.signal-meta {
  display: flex; justify-content: space-between;
  font-size: 0.75rem; color: var(--text-muted);
}

/* Price rows */
.signal-prices { display: flex; flex-direction: column; gap: 6px; }
.price-row {
  display: flex; justify-content: space-between; align-items: center;
  padding: 8px 12px;
  border-radius: 6px;
  font-family: var(--font-mono);
  font-size: 0.9rem;
}
.price-label { font-family: var(--font-main); font-size: 0.8rem; color: var(--text-secondary); }
.price-value { font-weight: 600; }
.price-row.entry { background: rgba(99,102,241,0.1); }
.price-row.entry .price-value { color: var(--accent); }
.price-row.sl { background: var(--sell-bg); }
.price-row.sl .price-value { color: var(--sell); }
.price-row.tp1 { background: var(--buy-bg); }
.price-row.tp1 .price-value { color: var(--buy); }
.price-row.tp2 { background: rgba(34,197,94,0.08); }
.price-row.tp2 .price-value { color: #86efac; }

/* Probability bars */
.signal-probs { display: flex; flex-direction: column; gap: 8px; }
.prob-bar-wrap { display: flex; align-items: center; gap: 8px; }
.prob-label { font-size: 0.7rem; width: 36px; text-align: right; color: var(--text-muted); text-transform: uppercase; }
.prob-bar {
  flex: 1; height: 6px;
  background: rgba(255,255,255,0.05);
  border-radius: 3px;
  overflow: hidden;
}
.prob-fill {
  height: 100%; border-radius: 3px;
  transition: width .6s ease;
}
.prob-fill.buy  { background: var(--buy); }
.prob-fill.hold { background: var(--hold); }
.prob-fill.sell { background: var(--sell); }
.prob-pct { font-size: 0.75rem; font-family: var(--font-mono); color: var(--text-secondary); width: 40px; }

/* Details */
.signal-details { display: flex; flex-direction: column; gap: 4px; }
.detail-row {
  display: flex; justify-content: space-between;
  font-size: 0.8rem;
  padding: 4px 0;
  border-bottom: 1px solid rgba(255,255,255,0.04);
}
.detail-row span:first-child { color: var(--text-muted); }
.detail-row span:last-child  { font-family: var(--font-mono); color: var(--text-secondary); }

/* ═══ SIGNAL HISTORY ═══ */
.history-section { padding: 40px 0; }
.section-title {
  font-size: 1.4rem;
  font-weight: 700;
  margin-bottom: 20px;
  text-align: center;
}
.history-table-wrap { overflow-x: auto; }
.history-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.85rem;
}
.history-table th {
  text-align: left;
  padding: 10px 12px;
  border-bottom: 2px solid var(--border);
  color: var(--text-muted);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.history-table td {
  padding: 10px 12px;
  border-bottom: 1px solid rgba(255,255,255,0.04);
  font-family: var(--font-mono);
  font-size: 0.8rem;
}
.history-table tr:hover td { background: rgba(99,102,241,0.05); }
.empty-row td {
  text-align: center;
  color: var(--text-muted);
  padding: 40px;
  font-family: var(--font-main);
}
.sig-badge {
  display: inline-block;
  padding: 2px 10px;
  border-radius: 4px;
  font-weight: 600;
  font-size: 0.75rem;
  letter-spacing: 0.5px;
}
.sig-badge.buy  { background: var(--buy-bg);  color: var(--buy); }
.sig-badge.sell { background: var(--sell-bg); color: var(--sell); }
.sig-badge.hold { background: var(--hold-bg); color: var(--hold); }

/* ═══ FEATURES ═══ */
.features-section {
  padding: 60px 0;
  background: var(--bg-secondary);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 20px;
  margin-top: 8px;
}
.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  text-align: center;
  transition: transform .2s, box-shadow .2s;
}
.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 30px rgba(0,0,0,0.3);
}
.feature-icon { font-size: 2rem; margin-bottom: 12px; }
.feature-card h3 { font-size: 1rem; font-weight: 600; margin-bottom: 8px; }
.feature-card p { font-size: 0.85rem; color: var(--text-secondary); line-height: 1.6; }

/* ═══ DISCLAIMER ═══ */
.disclaimer-section { padding: 20px 0; }
.disclaimer-box {
  background: rgba(245,158,11,0.08);
  border: 1px solid rgba(245,158,11,0.2);
  border-radius: var(--radius-sm);
  padding: 16px 20px;
  font-size: 0.8rem;
  color: var(--text-secondary);
  line-height: 1.7;
}
.disclaimer-box strong { color: var(--hold); }

/* ═══ FOOTER ═══ */
.footer {
  padding: 40px 0 30px;
  border-top: 1px solid var(--border);
  background: var(--bg-secondary);
}
.footer-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  text-align: center;
}
.footer-tagline { font-size: 0.8rem; color: var(--text-muted); margin-top: 4px; }
.footer-links { display: flex; gap: 24px; }
.footer-links a { color: var(--text-secondary); font-size: 0.85rem; transition: color .2s; }
.footer-links a:hover { color: var(--accent); }
.footer-copy { font-size: 0.75rem; color: var(--text-muted); }
.footer-powered { font-size: 0.7rem; }

/* ═══ SIGNAL TOOLTIP ═══ */
.signal-tooltip {
  display: none;
  position: fixed;
  z-index: 200;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 12px 14px;
  min-width: 200px;
  max-width: 240px;
  box-shadow: 0 8px 30px rgba(0,0,0,0.5);
  font-size: 0.8rem;
  pointer-events: none;
}
.signal-tooltip .tt-header {
  display: flex;
  gap: 8px;
  margin-bottom: 8px;
  align-items: center;
}
.signal-tooltip .tt-row {
  display: flex;
  justify-content: space-between;
  padding: 2px 0;
  border-bottom: 1px solid rgba(255,255,255,0.04);
  font-family: var(--font-mono);
  font-size: 0.75rem;
}
.signal-tooltip .tt-row span:first-child {
  color: var(--text-muted);
  font-family: var(--font-main);
}
.signal-tooltip .tt-row span:last-child {
  color: var(--text-secondary);
}

/* ═══ RESPONSIVE ═══ */
@media (max-width: 900px) {
  .dashboard-grid { grid-template-columns: 1fr; }
  .chart-container { height: 380px; }
  .hero { padding: 40px 0 30px; }
  .hero-title { font-size: 1.6rem; }
  .hero-subtitle { font-size: 0.95rem; }
}
@media (max-width: 600px) {
  .container { padding: 0 12px; }
  .sym-btn { min-width: 70px; padding: 10px 10px; }
  .sym-name { font-size: 0.75rem; }
  .chart-container { height: 300px; }
  .hero-stats { gap: 8px; }
  .stat-card { padding: 12px 16px; min-width: 70px; }
  .stat-value { font-size: 1.1rem; }
  .signal-direction { font-size: 1.5rem; padding: 6px 24px; }
  .history-table { font-size: 0.75rem; }
  .history-table th, .history-table td { padding: 8px 6px; }
  .features-grid { grid-template-columns: 1fr 1fr; gap: 12px; }
  .feature-card { padding: 16px; }
}
@media (max-width: 400px) {
  .features-grid { grid-template-columns: 1fr; }
  .symbol-buttons { gap: 6px; }
  .sym-btn { min-width: 60px; padding: 8px 6px; }
}