:root {
  --bg: #0d1117;
  --panel: #161b22;
  --border: #30363d;
  --text: #e6edf3;
  --muted: #8b949e;
  --buy: #26a69a;
  --sell: #ef5350;
  --hold: #f0b90b;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: system-ui, "Segoe UI", Tahoma, sans-serif;
  background: var(--bg);
  color: var(--text);
}

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 20px;
  border-bottom: 1px solid var(--border);
}

.topbar h1 { font-size: 18px; margin: 0; }

.status {
  font-size: 13px;
  color: var(--muted);
}
.status.ok { color: var(--buy); }
.status.err { color: var(--sell); }

.badge {
  display: inline-block;
  padding: 2px 10px;
  border-radius: 999px;
  font-weight: 700;
  font-size: 13px;
  text-align: center;
}
.badge.paper { background: #1f6feb33; color: #58a6ff; }
.badge.buy, .badge.sell { width: 72px; }
.badge.buy { background: var(--buy); color: #04211e; }
.badge.sell { background: var(--sell); color: #fff; }
.badge.hold { background: var(--hold); color: #2c2200; }

.controls {
  display: flex;
  gap: 14px;
  align-items: center;
  padding: 12px 20px;
  flex-wrap: wrap;
}
.controls label {
  display: flex;
  flex-direction: column;
  gap: 4px;
  font-size: 12px;
  color: var(--muted);
}

input, select, button {
  font: inherit;
  color: var(--text);
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 7px 10px;
}

.hint { font-size: 12px; color: var(--muted); }
.hint.ok { color: var(--buy); }
.hint.err { color: var(--sell); }
.hint.warn { color: #f0b90b; }

.btn {
  cursor: pointer;
  border: 1px solid var(--border);
  background: #21262d;
  transition: filter 0.15s;
}
.btn:hover { filter: brightness(1.2); }
.btn.buy { background: var(--buy); color: #04211e; font-weight: 700; }
.btn.sell { background: var(--sell); color: #fff; font-weight: 700; }
.btn.danger { background: #8b1a1a; color: #fff; }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }

.grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 340px;
  gap: 16px;
  padding: 0 20px 20px;
}

.panel {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 14px;
}

.chart { width: 100%; height: 420px; }

.signal { margin-top: 12px; }
.signal-head { display: flex; align-items: center; gap: 12px; }
.meta { font-size: 12px; color: var(--muted); }
.reasons { font-size: 13px; color: var(--muted); padding-right: 18px; margin: 8px 0; }

.trade-form {
  display: grid;
  grid-template-columns: repeat(3, 1fr) auto;
  gap: 10px;
  align-items: end;
  margin-top: 8px;
}
.trade-form label {
  display: flex;
  flex-direction: column;
  gap: 4px;
  font-size: 12px;
  color: var(--muted);
}
.trade-btns { display: flex; gap: 8px; }

.account-panel h2, .account-panel h3 { margin: 4px 0 10px; font-size: 15px; }
.account-rows { display: flex; flex-direction: column; gap: 8px; margin-bottom: 14px; }
.row { display: flex; justify-content: space-between; font-size: 14px; }
.row b { font-variant-numeric: tabular-nums; }

.position { font-size: 13px; padding: 10px; border: 1px solid var(--border); border-radius: 8px; }
.position.empty { color: var(--muted); }
.position .pos-line { display: flex; justify-content: space-between; margin: 3px 0; }
.pnl-pos { color: var(--buy); }
.pnl-neg { color: var(--sell); }

.actions { margin: 14px 0; display: flex; gap: 8px; }

.live-status { font-size: 12px; color: var(--muted); margin-bottom: 8px; }
.live-balance { font-size: 12px; color: var(--muted); margin-bottom: 8px; }
.live-balance .bal-line { display: flex; justify-content: space-between; margin: 2px 0; }
.live-btns { margin-bottom: 10px; }
.live-form { border-top: 1px solid var(--border); padding-top: 10px; margin-bottom: 12px; }
.live-rows { display: flex; flex-direction: column; gap: 8px; margin-bottom: 10px; }
.live-rows label { display: flex; flex-direction: column; gap: 4px; font-size: 12px; color: var(--muted); }

.settings { display: flex; flex-direction: column; gap: 8px; margin: 8px 0; }
.settings label { display: flex; flex-direction: column; gap: 4px; font-size: 12px; color: var(--muted); }
.settings-btns { display: flex; gap: 8px; margin-bottom: 8px; }

.backtest { border-top: 1px solid var(--border); margin-top: 14px; padding-top: 12px; }
.backtest h2 { font-size: 14px; margin: 0 0 8px; }
.backtest-actions { margin-bottom: 10px; }
.backtest-stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; margin-bottom: 10px; }
.backtest-stats > div { background: var(--bg); border: 1px solid var(--border); border-radius: 6px; padding: 6px 8px; }
.backtest-stats span { display: block; font-size: 11px; color: var(--muted); }
.backtest-stats b { font-size: 13px; }
.equity-chart { height: 160px; margin-top: 4px; }

.journal-wrap { max-height: 260px; overflow: auto; }
.journal { width: 100%; border-collapse: collapse; font-size: 12px; }
.journal th, .journal td { text-align: right; padding: 6px 4px; border-bottom: 1px solid var(--border); }
.journal th { color: var(--muted); font-weight: 500; }
.journal td { font-variant-numeric: tabular-nums; }

.risk-low { color: var(--buy); font-weight: 700; }
.risk-mid { color: var(--hold); font-weight: 700; }
.risk-high { color: var(--sell); font-weight: 700; }

.pending-btns { display: flex; gap: 8px; margin-bottom: 8px; }
.auto-approve-group { display: flex; align-items: center; gap: 10px; margin-left: auto; }
.radio-label { display: inline-flex; align-items: center; gap: 4px; font-size: 12px; color: var(--muted); cursor: pointer; white-space: nowrap; }
.radio-label input[type="radio"] { width: auto; accent-color: var(--buy); }

.btn-sm { font-size: 11px; padding: 3px 8px; cursor: pointer; border: 1px solid var(--border); background: #21262d; color: var(--text); border-radius: 4px; }
.btn-sm:hover { filter: brightness(1.2); }
.btn-sm.approve { background: var(--buy); color: #04211e; }
.btn-sm.reject { background: var(--sell); color: #fff; }
.btn-sm.detail { background: #1f6feb; color: #fff; }

.modal { position: fixed; inset: 0; background: rgba(0,0,0,0.7); display: flex; align-items: center; justify-content: center; z-index: 1000; }
.modal[hidden] { display: none; }
.modal-content { background: var(--panel); border: 1px solid var(--border); border-radius: 10px; padding: 20px; max-width: 600px; width: 90%; max-height: 80vh; overflow-y: auto; position: relative; }
.modal-close-btn { position: absolute; top: 10px; left: 10px; background: none; border: none; color: var(--muted); font-size: 20px; cursor: pointer; }
.modal-close-btn:hover { color: var(--text); }
.modal-row { display: flex; justify-content: space-between; padding: 4px 0; border-bottom: 1px solid var(--border); font-size: 13px; }
.modal-row span { color: var(--muted); }
.modal-reasons { list-style: none; padding: 0; margin: 8px 0; font-size: 12px; color: var(--muted); }
.modal-reasons li { padding: 2px 0; }

/* ── Patterns Section ─────────────────────────────────────────────────── */
.patterns-section { border-top: 1px solid var(--border); margin-top: 14px; padding-top: 12px; }
.patterns-toggle { cursor: pointer; user-select: none; font-size: 14px; margin: 0; display: flex; align-items: center; gap: 8px; color: var(--text); }
.patterns-toggle:hover { color: #58a6ff; }
.patterns-toggle .hint { font-size: 11px; color: var(--muted); font-weight: normal; }
.patterns-content { margin-top: 8px; }
.patterns-table { font-size: 11px; }
.patterns-table th { font-weight: 600; white-space: nowrap; }
.patterns-table td { font-size: 11px; }
.patterns-table .buy { color: var(--buy); }
.patterns-table .sell { color: var(--sell); }
.patterns-table .hold { color: var(--hold); }

/* Lock Screen */
.lock-icon { background: none; border: none; color: var(--text); font-size: 18px; cursor: pointer; padding: 4px 8px; border-radius: 4px; }
.lock-icon:hover { background: var(--border); }
.version-badge { font-size: 11px; color: var(--muted); background: var(--bg); border: 1px solid var(--border); border-radius: 10px; padding: 2px 8px; margin-right: 4px; white-space: nowrap; }
.lock-overlay { position: fixed; top: 0; left: 0; right: 0; bottom: 0; background: #0d1117; z-index: 9999; display: flex; align-items: center; justify-content: center; }
.lock-overlay.hidden { display: none; }
.lock-box { text-align: center; background: var(--panel); border: 1px solid var(--border); border-radius: 12px; padding: 40px 32px; min-width: 320px; }
.lock-icon-big { font-size: 48px; margin-bottom: 16px; }
.lock-box h2 { font-size: 18px; margin: 0 0 16px 0; color: var(--text); }
.lock-box input { width: 100%; padding: 10px 12px; border-radius: 6px; border: 1px solid var(--border); background: var(--bg); color: var(--text); font-size: 14px; box-sizing: border-box; margin-bottom: 12px; text-align: center; }
.lock-box input:focus { border-color: #58a6ff; outline: none; }
.lock-error { color: var(--sell); font-size: 13px; margin-top: 8px; min-height: 18px; }