:root {
  --bg: #0f1419;
  --card: #161d27;
  --border: #263140;
  --text: #e6edf3;
  --muted: #8b96a5;
  --accent: #3b82f6;
  --accent-dark: #2563eb;
  --danger: #ef4444;
  --orange: #f59e0b;
  --ok: #22c55e;
  --blue: #3b82f6;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 14px;
}

#lock-screen { max-width: 380px; margin: 100px auto; padding: 0 20px; }
#lock-screen h1 { font-size: 20px; }
#lock-screen .subtitle { color: var(--muted); margin-bottom: 24px; }

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 18px;
  margin-bottom: 16px;
}

input, select {
  width: 100%;
  padding: 8px 10px;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 14px;
  background: #0b0f14;
  color: var(--text);
}

label { display: block; font-size: 12px; color: var(--muted); margin: 10px 0 4px; }

button {
  background: var(--accent);
  color: white;
  border: none;
  padding: 8px 14px;
  border-radius: 6px;
  font-size: 13px;
  cursor: pointer;
}
button:hover { background: var(--accent-dark); }
button.secondary { background: #23303f; color: var(--text); }
button.secondary:hover { background: #2c3b4d; }
button:disabled { opacity: 0.5; cursor: default; }

.error { color: var(--danger); font-size: 13px; margin-top: 10px; }
.hint { color: var(--muted); font-size: 12px; }

nav {
  display: flex; align-items: center; gap: 4px;
  padding: 12px 20px; border-bottom: 1px solid var(--border);
  background: var(--card);
}
nav .brand { font-weight: 700; margin-right: 20px; color: var(--accent); }
nav button.tab {
  background: none; color: var(--muted); padding: 8px 14px; border-radius: 6px; font-size: 13px;
}
nav button.tab.active { background: var(--accent); color: white; }
nav .spacer { flex: 1; }
nav .mock-badge { font-size: 11px; padding: 3px 8px; border-radius: 999px; background: #4b3a0a; color: var(--orange); margin-right: 12px; }

main { max-width: 1200px; margin: 24px auto; padding: 0 20px; }

.stats-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); gap: 12px; }
.stat-tile { background: var(--card); border: 1px solid var(--border); border-radius: 10px; padding: 14px; }
.stat-tile .num { font-size: 22px; font-weight: 700; }
.stat-tile .label { font-size: 12px; color: var(--muted); margin-top: 2px; }
.stat-tile .num.positive { color: var(--ok); }
.stat-tile .num.negative { color: var(--danger); }

table { width: 100%; border-collapse: collapse; font-size: 13px; }
th, td { text-align: left; padding: 8px 10px; border-bottom: 1px solid var(--border); }
th { color: var(--muted); font-weight: 600; font-size: 12px; text-transform: uppercase; }
tr.row-red { background: rgba(239, 68, 68, 0.12); }
tr.row-orange { background: rgba(245, 158, 11, 0.1); }
tr.row-green { background: rgba(34, 197, 94, 0.12); }
tr.row-blue { background: rgba(59, 130, 246, 0.12); }

.badge { display: inline-block; font-size: 11px; padding: 2px 8px; border-radius: 999px; font-weight: 600; }
.badge.WATCHLIST { background: #263140; color: var(--muted); }
.badge.BUY_READY { background: #14351f; color: var(--ok); }
.badge.PURCHASED { background: #142a4a; color: var(--blue); }
.badge.HOLDING { background: #142a4a; color: var(--blue); }

.settings-section h3 { font-size: 13px; text-transform: uppercase; color: var(--muted); margin: 24px 0 8px; }
.setting-row { display: flex; align-items: center; gap: 10px; padding: 8px 0; border-bottom: 1px solid var(--border); }
.setting-row label { flex: 1; margin: 0; color: var(--text); font-size: 13px; }
.setting-row input { width: 160px; }
.setting-row .setting-actions { display: flex; gap: 6px; }

.tag { font-size: 11px; padding: 2px 6px; border-radius: 4px; background: #263140; color: var(--muted); margin-left: 6px; }

.scheduler-flags { display: flex; gap: 8px; flex-wrap: wrap; }

tr.row-clickable { cursor: pointer; }
tr.row-clickable:hover { filter: brightness(1.15); }

/* --- stock detail modal (Graph PRD sections 4-8, 13) --- */
.modal-overlay {
  position: fixed; inset: 0; background: rgba(0, 0, 0, 0.6);
  display: flex; align-items: flex-start; justify-content: center;
  padding: 40px 20px; z-index: 100; overflow-y: auto;
}
.modal {
  background: var(--card); border: 1px solid var(--border); border-radius: 10px;
  max-width: 820px; width: 100%; padding: 20px;
}
.modal-header { display: flex; align-items: center; gap: 10px; margin-bottom: 12px; }
.modal-header h2 { margin: 0; }
.modal-body h3 { font-size: 13px; text-transform: uppercase; color: var(--muted); margin: 22px 0 8px; }
.modal-body h3:first-of-type { margin-top: 8px; }

.detail-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(120px, 1fr)); gap: 10px; }
.detail-stat { background: #0b0f14; border: 1px solid var(--border); border-radius: 8px; padding: 10px; }
.detail-stat-value { font-size: 16px; font-weight: 700; }
.detail-stat-label { font-size: 11px; color: var(--muted); margin-top: 2px; }

.chart-wrap { background: #0b0f14; border: 1px solid var(--border); border-radius: 8px; padding: 8px; }
.chart-svg { width: 100%; height: auto; display: block; }
.chart-line-price polyline { stroke: var(--text); stroke-width: 2; }
.chart-line-overlay polyline { stroke-width: 1.5; opacity: 0.85; }
.chart-grid { stroke: var(--border); stroke-width: 1; }
.chart-axis-label { fill: var(--muted); font-size: 10px; }
.chart-mark-value { font-size: 11px; font-weight: 600; }
.chart-empty { fill: var(--muted); font-size: 13px; }

.chart-controls { display: flex; align-items: center; gap: 6px; flex-wrap: wrap; margin-bottom: 8px; }
.chart-controls .tf-btn { padding: 5px 10px; font-size: 12px; }
.chart-controls .tf-btn.active { background: var(--accent); color: white; }
.chart-legend { margin-left: auto; display: flex; gap: 12px; flex-wrap: wrap; }
.legend-item { display: inline-flex; align-items: center; gap: 5px; font-size: 11px; color: var(--muted); }
.legend-swatch { width: 10px; height: 10px; border-radius: 2px; display: inline-block; }

.meter-bar { background: #0b0f14; border: 1px solid var(--border); border-radius: 999px; height: 14px; overflow: hidden; }
.meter-fill { background: linear-gradient(90deg, var(--orange), var(--ok)); height: 100%; transition: width 0.3s; }

.conditions-list { display: flex; flex-direction: column; gap: 6px; }
.condition-row {
  display: flex; align-items: center; gap: 10px; padding: 8px 10px;
  border-radius: 6px; background: #0b0f14; border: 1px solid var(--border); font-size: 13px;
}
.condition-icon { width: 18px; text-align: center; font-weight: 700; }
.condition-pass .condition-icon { color: var(--ok); }
.condition-fail .condition-icon { color: var(--danger); }
.condition-label { flex: 1; }
.condition-value { color: var(--muted); font-size: 12px; }

.explanation-list { margin: 0; padding-left: 18px; color: var(--text); font-size: 13px; line-height: 1.7; }