/* ==== ダークモード基調 ==== */
:root {
  --bg: #0e1117;
  --bg-panel: #161b26;
  --bg-panel-2: #1c2230;
  --border: #2a3140;
  --text: #e6e9ef;
  --text-dim: #8a92a6;
  --buy: #1fae63;
  --buy-hover: #23c771;
  --sell: #e5484d;
  --sell-hover: #ff5a5f;
  --accent: #4a90ff;
  --warn: #f5a623;
  --danger: #e5484d;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  -webkit-tap-highlight-color: transparent;
}

/* ==== ヘッダー ==== */
.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 16px;
  background: var(--bg-panel);
  border-bottom: 1px solid var(--border);
  flex-wrap: wrap;
  gap: 8px;
}
.topbar-left { display: flex; align-items: center; gap: 10px; }
.app-title { font-weight: 700; font-size: 16px; }
.demo-badge {
  background: var(--warn);
  color: #1a1400;
  font-size: 11px;
  font-weight: 700;
  padding: 3px 8px;
  border-radius: 4px;
  letter-spacing: 0.5px;
}
.topbar-right { display: flex; gap: 20px; }
.stat { display: flex; flex-direction: column; align-items: flex-end; }
.stat-label { font-size: 10px; color: var(--text-dim); }
.stat-value { font-size: 14px; font-weight: 600; }

/* ==== レイアウト ==== */
.main-grid {
  display: grid;
  grid-template-columns: 1fr 340px;
  grid-template-rows: auto auto;
  gap: 12px;
  padding: 12px;
}
.chart-panel { grid-column: 1; grid-row: 1; }
.order-panel { grid-column: 2; grid-row: 1 / span 2; }
.pending-panel { grid-column: 1; grid-row: 2; }

@media (max-width: 900px) {
  .main-grid { grid-template-columns: 1fr; }
  .chart-panel { grid-column: 1; grid-row: 1; }
  .order-panel { grid-column: 1; grid-row: 2; }
  .pending-panel { grid-column: 1; grid-row: 3; }
}

/* ==== チャート ==== */
.chart-panel {
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px;
}
.chart-toolbar {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 8px;
  flex-wrap: wrap;
}
.symbol-select {
  background: var(--bg-panel-2);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 8px 10px;
  font-size: 14px;
  font-weight: 700;
}
.timeframe-tabs {
  display: flex;
  gap: 2px;
}
.tf-tab {
  padding: 5px 10px;
  background: var(--bg-panel-2);
  border: 1px solid var(--border);
  color: var(--text-dim);
  font-size: 12px;
  font-weight: 700;
  cursor: pointer;
}
.tf-tab:first-child { border-radius: 6px 0 0 6px; }
.tf-tab:last-child { border-radius: 0 6px 6px 0; }
.tf-tab.active { background: var(--accent); color: #fff; border-color: var(--accent); }
.timeframe-badge {
  font-size: 11px;
  color: var(--text-dim);
  background: var(--bg-panel-2);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 3px 8px;
  cursor: help;
}
.current-price {
  font-size: 20px;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
}
.chart-updated {
  margin-left: auto;
  font-size: 11px;
  color: var(--text-dim);
}
.chart-container {
  width: 100%;
  height: 420px;
  border-radius: 6px;
  overflow: hidden;
}
.chart-hint {
  margin-top: 6px;
  font-size: 11px;
  color: var(--text-dim);
  text-align: center;
}

/* ==== 発注パネル ==== */
.order-panel {
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.field-group { display: flex; flex-direction: column; gap: 6px; }
.field-group label { font-size: 12px; color: var(--text-dim); font-weight: 600; }
.field-row { display: flex; gap: 10px; }
.field-row.two-col > .field-group { flex: 1; }

.input-large {
  background: var(--bg-panel-2);
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: 8px;
  padding: 14px 12px;
  font-size: 18px;
  font-weight: 600;
  width: 100%;
  font-variant-numeric: tabular-nums;
}
.input-large:disabled { color: var(--text-dim); opacity: 0.7; }
.input-large.sl-color { border-color: var(--sell); color: var(--sell); }
.input-large.tp-color { border-color: var(--buy); color: var(--buy); }

.order-type-tabs { display: flex; gap: 6px; }
.type-tab {
  flex: 1;
  padding: 10px 0;
  background: var(--bg-panel-2);
  border: 1px solid var(--border);
  color: var(--text-dim);
  border-radius: 6px;
  font-weight: 700;
  font-size: 13px;
  cursor: pointer;
}
.type-tab.active { background: var(--accent); color: #fff; border-color: var(--accent); }
.order-type-note { font-size: 11px; color: var(--text-dim); }

.calc-panel {
  background: var(--bg-panel-2);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px 12px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.calc-row {
  display: flex;
  justify-content: space-between;
  font-size: 13px;
  color: var(--text-dim);
}
.calc-row span:last-child { color: var(--text); font-weight: 600; font-variant-numeric: tabular-nums; }
.calc-row.highlight span:last-child { color: var(--warn); font-size: 15px; }

/* ==== 発注ボタン ==== */
.action-buttons {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-top: 4px;
}
.btn-buy, .btn-sell {
  padding: 22px 0;
  border: none;
  border-radius: 10px;
  font-size: 22px;
  font-weight: 800;
  letter-spacing: 1px;
  cursor: pointer;
  color: #fff;
  touch-action: manipulation;
}
.btn-buy { background: var(--buy); }
.btn-buy:active { background: var(--buy-hover); }
.btn-sell { background: var(--sell); }
.btn-sell:active { background: var(--sell-hover); }

.btn-cancel-order {
  padding: 12px 0;
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-dim);
  border-radius: 8px;
  font-weight: 600;
  cursor: pointer;
}

.btn-close-all {
  margin-top: 8px;
  padding: 14px 0;
  background: #2a1416;
  border: 1px solid var(--danger);
  color: var(--danger);
  border-radius: 8px;
  font-weight: 700;
  cursor: pointer;
}

/* ==== 予約注文一覧 ==== */
.pending-panel {
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 14px 16px;
}
.pending-panel h3 { margin: 0 0 10px; font-size: 14px; color: var(--text-dim); }
.pending-list { display: flex; flex-direction: column; gap: 8px; }
.empty-note { color: var(--text-dim); font-size: 13px; padding: 10px 0; }
.pending-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: var(--bg-panel-2);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 10px 12px;
  font-size: 13px;
}
.pending-item .pi-tag {
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 11px;
  margin-right: 8px;
}
.pending-item .pi-tag.buy { background: rgba(31,174,99,0.2); color: var(--buy); }
.pending-item .pi-tag.sell { background: rgba(229,72,77,0.2); color: var(--sell); }
.pi-cancel-btn {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-dim);
  border-radius: 4px;
  padding: 4px 10px;
  cursor: pointer;
  font-size: 12px;
}

/* ==== モーダル ==== */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.6);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 100;
  padding: 16px;
}
.modal-overlay.hidden { display: none; }
.modal-box {
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 22px;
  width: 100%;
  max-width: 420px;
}
.modal-box h2 { margin: 0 0 16px; font-size: 20px; }
.confirm-rows { display: flex; flex-direction: column; gap: 8px; }
.confirm-row {
  display: flex;
  justify-content: space-between;
  font-size: 14px;
  color: var(--text-dim);
  border-bottom: 1px dashed var(--border);
  padding-bottom: 6px;
}
.confirm-row span:last-child { color: var(--text); font-weight: 700; font-variant-numeric: tabular-nums; }
.confirm-row.highlight span:last-child { color: var(--warn); font-size: 16px; }
.confirm-warning {
  margin-top: 14px;
  background: rgba(245,166,35,0.15);
  border: 1px solid var(--warn);
  color: var(--warn);
  padding: 10px 12px;
  border-radius: 8px;
  font-size: 13px;
  font-weight: 600;
}
.confirm-warning.hidden { display: none; }
.modal-actions { display: flex; gap: 10px; margin-top: 20px; }
.btn-modal-cancel, .btn-modal-confirm {
  flex: 1;
  padding: 14px 0;
  border-radius: 8px;
  font-weight: 700;
  font-size: 15px;
  cursor: pointer;
  border: none;
}
.btn-modal-cancel { background: var(--bg-panel-2); color: var(--text-dim); border: 1px solid var(--border); }
.btn-modal-confirm { background: var(--accent); color: #fff; width: 100%; }

#resultBody { text-align: center; padding: 10px 0 20px; }
#resultBody .result-title { font-size: 22px; font-weight: 800; margin-bottom: 14px; }
#resultBody .result-title.success { color: var(--buy); }
#resultBody .result-title.fail { color: var(--sell); }