/* ===== CSS Variables & Reset ===== */
:root {
  --bg-primary: #f5f6fa;
  --bg-card: #ffffff;
  --bg-card2: #eef0f5;
  --accent: #f0b90b;
  --accent-dim: rgba(240,185,11,0.12);
  --text-primary: #1a1a2e;
  --text-secondary: #6c757d;
  --bull: #00b894;
  --bear: #e74c3c;
  --bull-dim: rgba(0,184,148,0.10);
  --bear-dim: rgba(231,76,60,0.10);
  --border: rgba(0,0,0,0.08);
}

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

body {
  background: var(--bg-primary);
  color: var(--text-primary);
  font-family: -apple-system, 'PingFang SC', 'Microsoft YaHei', sans-serif;
  min-height: 100vh;
  overflow-x: hidden;
}

/* ===== Header ===== */
.header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 20px;
  border-bottom: 1px solid var(--border);
  background: var(--bg-card);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 1px 4px rgba(0,0,0,0.06);
}

.header-left {
  display: flex;
  align-items: center;
  gap: 10px;
}

.logo-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--bull);
  box-shadow: 0 0 6px var(--bull);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.3; }
}

.header-title {
  font-size: 16px;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: 0.3px;
}

.symbol-label {
  font-size: 13px;
  color: var(--text-secondary);
  margin-left: 6px;
}

.live-badge {
  font-size: 10px;
  background: var(--bull-dim);
  color: var(--bull);
  padding: 2px 8px;
  border-radius: 10px;
  border: 1px solid rgba(0,184,148,0.25);
}

.header-right {
  font-size: 12px;
  color: var(--text-secondary);
}

/* ===== Price Section ===== */
.price-section {
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
  background: var(--bg-card);
}

.price-row {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin-bottom: 4px;
}

.price-main {
  font-size: 36px;
  font-weight: 700;
  font-family: 'SF Mono', 'Consolas', monospace;
  letter-spacing: -1px;
  color: var(--text-primary);
}

.price-change {
  font-size: 14px;
  font-weight: 600;
  padding: 3px 10px;
  border-radius: 6px;
}

.price-change.up {
  color: var(--bull);
  background: var(--bull-dim);
}

.price-change.down {
  color: var(--bear);
  background: var(--bear-dim);
}

.price-time {
  font-size: 11px;
  color: var(--text-secondary);
  margin-top: 4px;
}

/* ===== Charts ===== */
.charts-section {
  padding: 12px 16px;
}

.chart-container {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 14px;
  margin-bottom: 12px;
  box-shadow: 0 1px 4px rgba(0,0,0,0.05);
  height: 200px;
  position: relative;
}

.chart-container canvas {
  height: 170px !important;
  width: 100% !important;
}

.chart-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 10px;
}

.chart-title {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.chart-value {
  font-size: 12px;
  font-family: 'SF Mono', monospace;
  font-weight: 600;
}

.chart-value.bull { color: var(--bull); }
.chart-value.bear { color: var(--bear); }
.chart-value.neutral { color: var(--text-secondary); }

/* ===== Signals ===== */
.signals-section {
  padding: 0 16px 16px;
}

.signal-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 14px 16px;
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  box-shadow: 0 1px 4px rgba(0,0,0,0.04);
}

.signal-label {
  font-size: 12px;
  color: var(--text-secondary);
  margin-bottom: 4px;
}

.signal-value {
  font-size: 15px;
  font-weight: 600;
  font-family: 'SF Mono', monospace;
}

.signal-status {
  font-size: 11px;
  padding: 4px 12px;
  border-radius: 20px;
  font-weight: 600;
}

.signal-status.bull {
  background: var(--bull-dim);
  color: var(--bull);
  border: 1px solid rgba(0,184,148,0.25);
}

.signal-status.bear {
  background: var(--bear-dim);
  color: var(--bear);
  border: 1px solid rgba(231,76,60,0.25);
}

.signal-status.neutral {
  background: var(--bg-card2);
  color: var(--text-secondary);
  border: 1px solid var(--border);
}

.signal-status.warning {
  background: var(--accent-dim);
  color: #d4a800;
  border: 1px solid rgba(240,185,11,0.3);
}

/* ===== MA Section ===== */
.ma-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  padding: 0 16px 16px;
}

.ma-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 10px 12px;
  text-align: center;
  box-shadow: 0 1px 4px rgba(0,0,0,0.04);
}

.ma-period {
  font-size: 10px;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 4px;
}

.ma-value {
  font-size: 14px;
  font-weight: 700;
  font-family: 'SF Mono', monospace;
}

.ma-status {
  font-size: 10px;
  margin-top: 3px;
}

.ma-status.up { color: var(--bull); }
.ma-status.down { color: var(--bear); }

/* ===== Footer ===== */
.footer {
  padding: 12px 20px;
  text-align: center;
  font-size: 10px;
  color: var(--text-secondary);
  border-top: 1px solid var(--border);
  background: var(--bg-card);
}

/* ===== Scrollbar ===== */
::-webkit-scrollbar { width: 4px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 2px; }