:root {
  --bg: #0b0f14;
  --bg2: #121820;
  --card: #161d27;
  --border: #2a3441;
  --text: #e6edf3;
  --muted: #8b949e;
  --accent: #3b82f6;
  --accent2: #60a5fa;
  --green: #22c55e;
  --red: #ef4444;
  --yellow: #eab308;
  --purple: #a78bfa;
  --shadow: 0 8px 24px rgba(0, 0, 0, 0.35);
}

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

body {
  font-family: "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  background: radial-gradient(1200px 600px at 10% -10%, rgba(59, 130, 246, 0.12), transparent),
              radial-gradient(900px 500px at 90% 0%, rgba(167, 139, 250, 0.08), transparent),
              var(--bg);
  color: var(--text);
  min-height: 100vh;
  line-height: 1.5;
}

a { color: var(--accent2); text-decoration: none; }

.layout {
  max-width: 1280px;
  margin: 0 auto;
  padding: 24px 20px 48px;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 24px;
  flex-wrap: wrap;
}

.brand h1 {
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.brand p {
  color: var(--muted);
  font-size: 0.85rem;
  margin-top: 4px;
}

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

.btn {
  border: 1px solid var(--border);
  background: var(--card);
  color: var(--text);
  padding: 8px 14px;
  border-radius: 8px;
  cursor: pointer;
  font-size: 0.875rem;
  transition: 0.15s ease;
}

.btn:hover { border-color: var(--accent); color: #fff; }

.btn-primary {
  background: linear-gradient(135deg, var(--accent), #2563eb);
  border-color: transparent;
  color: #fff;
}

.btn-primary:hover { opacity: 0.92; }

.btn-ok {
  border-color: rgba(34, 197, 94, 0.45);
  color: #86efac;
}

.btn-danger {
  background: rgba(239, 68, 68, 0.12);
  border-color: rgba(239, 68, 68, 0.35);
  color: #fca5a5;
}

.btn-sm { padding: 4px 10px; font-size: 0.78rem; }

.banner {
  padding: 10px 14px;
  border-radius: 8px;
  margin-bottom: 14px;
  font-size: 0.85rem;
  border: 1px solid var(--border);
}
.banner-warn {
  background: rgba(234, 179, 8, 0.12);
  border-color: rgba(234, 179, 8, 0.35);
  color: #fde68a;
}
.banner-ok {
  background: rgba(34, 197, 94, 0.1);
  border-color: rgba(34, 197, 94, 0.35);
  color: #86efac;
}
.hidden { display: none; }
.advice-card { margin-bottom: 16px; }
.advice-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 12px;
}
.advice-header h2 { margin-bottom: 0; }
.advice-explanation { margin-top: 14px; }
.badge-wait { background: rgba(139, 148, 158, 0.18); color: var(--muted); }

.gate-box {
  margin-bottom: 12px;
  padding: 10px 12px;
  border-radius: 8px;
  background: rgba(239, 68, 68, 0.08);
  border: 1px solid rgba(239, 68, 68, 0.25);
}
.gate-title {
  font-size: 0.78rem;
  color: #fca5a5;
  font-weight: 600;
  margin-bottom: 6px;
}
.gate-list {
  margin: 0;
  padding-left: 18px;
  color: #fecaca;
  font-size: 0.82rem;
}
.gate-list li { margin: 4px 0; }

.explain-box {
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 12px;
  background: rgba(0, 0, 0, 0.15);
}
.explain-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
  font-size: 0.85rem;
  color: var(--accent2);
  margin-bottom: 8px;
}
.explain-score { font-weight: 700; font-size: 0.95rem; }
.score-track {
  height: 6px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.06);
  overflow: hidden;
  margin-bottom: 10px;
}
.score-fill {
  display: block;
  height: 100%;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--accent), var(--green));
}
.factor-list { display: flex; flex-direction: column; gap: 6px; }
.factor-row {
  display: grid;
  grid-template-columns: 24px 120px 48px 1fr;
  gap: 8px;
  align-items: center;
  font-size: 0.8rem;
  padding: 6px 8px;
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.02);
}
.factor-pos .factor-score { color: var(--green); font-weight: 600; }
.factor-neg .factor-score { color: var(--red); font-weight: 600; }
.factor-neutral .factor-score { color: var(--muted); }
.factor-detail { color: var(--muted); font-size: 0.76rem; }
.explain-text {
  margin-top: 10px;
  padding: 10px;
  border-radius: 8px;
  background: var(--bg2);
  border: 1px solid var(--border);
  font-size: 0.74rem;
  line-height: 1.5;
  white-space: pre-wrap;
  color: var(--muted);
  max-height: 220px;
  overflow: auto;
}
.ai-analysis-text {
  font-size: 0.84rem;
  line-height: 1.6;
  color: var(--text);
  margin-bottom: 8px;
}

.decision-item {
  border: 1px solid var(--border);
  border-radius: 10px;
  margin-bottom: 8px;
  overflow: hidden;
}
.decision-item summary {
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  padding: 10px 12px;
  background: rgba(255, 255, 255, 0.02);
}
.decision-item summary::-webkit-details-marker { display: none; }
.decision-meta { color: var(--muted); font-size: 0.8rem; flex: 1; }
.decision-score { font-weight: 700; font-size: 0.85rem; }
.decision-body { padding: 0 12px 12px; }
.quick-controls { margin-bottom: 16px; }
.quick-controls h2 { font-size: 0.95rem; margin-bottom: 10px; }
.quick-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 16px 24px;
}
.quick-toggle {
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  font-size: 0.9rem;
}
.quick-toggle input { width: 16px; height: 16px; accent-color: var(--accent); }
.advice-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 10px;
  font-size: 0.85rem;
}
.advice-grid div { color: var(--muted); }
.advice-grid strong { color: var(--text); display: block; margin-top: 2px; }

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 14px;
  margin-bottom: 20px;
}

.stat-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 16px 18px;
  box-shadow: var(--shadow);
}

.stat-label {
  color: var(--muted);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.stat-value {
  font-size: 1.75rem;
  font-weight: 700;
  margin-top: 6px;
}

.stat-sub {
  color: var(--muted);
  font-size: 0.8rem;
  margin-top: 4px;
}

.green { color: var(--green); }
.red { color: var(--red); }
.yellow { color: var(--yellow); }

.tabs {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  margin-bottom: 16px;
}

.tab {
  padding: 8px 14px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  font-size: 0.85rem;
}

.tab.active,
.tab:hover {
  color: #fff;
  border-color: var(--accent);
  background: rgba(59, 130, 246, 0.12);
}

.tab.active { background: rgba(59, 130, 246, 0.22); }

.panel { display: none; }
.panel.active { display: block; }

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 18px;
  box-shadow: var(--shadow);
  margin-bottom: 16px;
}

.card h2 {
  font-size: 0.92rem;
  color: var(--accent2);
  margin-bottom: 14px;
  font-weight: 600;
}

.grid-2 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(420px, 1fr));
  gap: 16px;
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.82rem;
}

th, td {
  padding: 8px 10px;
  border-bottom: 1px solid var(--border);
  text-align: left;
}

th {
  color: var(--muted);
  font-weight: 500;
  white-space: nowrap;
}

tr:hover td { background: rgba(59, 130, 246, 0.04); }

.badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 999px;
  font-size: 0.72rem;
  font-weight: 600;
}

.badge-long { background: rgba(34, 197, 94, 0.15); color: var(--green); }
.badge-short { background: rgba(239, 68, 68, 0.15); color: var(--red); }
.badge-purple { background: rgba(167, 139, 250, 0.15); color: var(--purple); }

.empty {
  color: var(--muted);
  padding: 24px;
  text-align: center;
}

.pnl-bar {
  height: 5px;
  border-radius: 999px;
  margin-top: 4px;
  background: rgba(255,255,255,0.06);
  overflow: hidden;
}

.pnl-bar > span {
  display: block;
  height: 100%;
  border-radius: 999px;
}

.pnl-pos { background: var(--green); }
.pnl-neg { background: var(--red); }

pre.config {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 14px;
  overflow: auto;
  font-size: 0.78rem;
  max-height: 480px;
}

.toast {
  position: fixed;
  right: 20px;
  bottom: 20px;
  background: var(--card);
  border: 1px solid var(--border);
  padding: 12px 16px;
  border-radius: 10px;
  box-shadow: var(--shadow);
  opacity: 0;
  transform: translateY(8px);
  transition: 0.2s ease;
  z-index: 1000;
  max-width: 360px;
}

.toast.show {
  opacity: 1;
  transform: translateY(0);
}

.footer {
  text-align: center;
  color: var(--muted);
  font-size: 0.78rem;
  margin-top: 28px;
}

.modal {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.55);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2000;
  padding: 20px;
}

.modal.hidden {
  display: none;
}

.modal-box {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 20px;
  width: min(420px, 100%);
  box-shadow: var(--shadow);
}

.modal-box h3 { margin-bottom: 8px; }
.modal-box .muted { color: var(--muted); font-size: 0.85rem; margin-bottom: 12px; }
.modal-box input {
  width: 100%;
  padding: 10px 12px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--bg2);
  color: var(--text);
  margin-bottom: 14px;
}
.modal-actions { display: flex; justify-content: flex-end; gap: 8px; }

.config-form fieldset {
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 14px;
  margin-bottom: 14px;
}
.config-form legend {
  color: var(--accent2);
  padding: 0 6px;
  font-size: 0.85rem;
}
.form-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 12px;
}
.config-form label {
  display: flex;
  flex-direction: column;
  gap: 4px;
  font-size: 0.8rem;
  color: var(--muted);
}
.config-form input[type="number"] {
  padding: 8px 10px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--bg2);
  color: var(--text);
}
.form-check {
  flex-direction: row !important;
  align-items: center;
  gap: 8px !important;
  color: var(--text) !important;
}
.form-actions { margin-top: 8px; }

.monitor-list { display: flex; flex-direction: column; gap: 8px; }
.status-row { display: flex; align-items: center; gap: 8px; font-size: 0.88rem; }
.dot { width: 8px; height: 8px; border-radius: 50%; display: inline-block; }
.dot-ok { background: var(--green); box-shadow: 0 0 8px rgba(34,197,94,0.5); }
.dot-bad { background: var(--red); }
.monitor-kv { display: flex; justify-content: space-between; font-size: 0.85rem; padding: 4px 0; border-bottom: 1px solid var(--border); }
.monitor-kv span { color: var(--muted); }
.hint-box {
  margin-top: 8px;
  padding: 10px;
  border-radius: 8px;
  background: rgba(59,130,246,0.08);
  border: 1px solid rgba(59,130,246,0.2);
  font-size: 0.8rem;
  color: var(--muted);
  line-height: 1.6;
}
.weight-bar {
  height: 6px;
  width: 80px;
  background: rgba(255,255,255,0.06);
  border-radius: 999px;
  overflow: hidden;
}
.weight-bar span {
  display: block;
  height: 100%;
  background: linear-gradient(90deg, var(--accent), var(--purple));
  border-radius: 999px;
}
.small { font-size: 0.78rem; }
.muted { color: var(--muted); }
.row-muted { opacity: 0.55; }
.row-muted td { color: var(--muted); }

.maint-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 10px;
}
.upload-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
  margin-top: 10px;
}
.upload-row input[type="file"] {
  font-size: 0.82rem;
  color: var(--muted);
}
.health-summary {
  padding: 8px 12px;
  border-radius: 8px;
  margin-bottom: 10px;
  font-size: 0.85rem;
}
.health-ok {
  background: rgba(34, 197, 94, 0.1);
  border: 1px solid rgba(34, 197, 94, 0.25);
  color: #86efac;
}
.health-bad {
  background: rgba(239, 68, 68, 0.08);
  border: 1px solid rgba(239, 68, 68, 0.25);
  color: #fca5a5;
}
.health-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.health-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.84rem;
  padding: 6px 8px;
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.02);
}
.health-item.health-warn { color: #fde68a; }
.health-item.health-bad { color: #fecaca; }

@media (max-width: 768px) {
  .grid-2 { grid-template-columns: 1fr; }
  .stat-value { font-size: 1.4rem; }
  table { display: block; overflow-x: auto; }
  .factor-row {
    grid-template-columns: 24px 1fr;
    grid-template-areas:
      "icon name"
      "score detail";
  }
  .factor-icon { grid-area: icon; }
  .factor-name { grid-area: name; }
  .factor-score { grid-area: score; }
  .factor-detail { grid-area: detail; grid-column: 1 / -1; }
}