:root {
  --bg-primary: #0b0f17;
  --bg-elevated: #111827;
  --bg-card: #161f33;
  --bg-card-hover: #1e2942;
  --border-subtle: rgba(148, 163, 184, 0.14);
  --border-accent: rgba(56, 189, 248, 0.35);
  --text-primary: #f1f5f9;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --accent-blue: #38bdf8;
  --accent-indigo: #6366f1;
  --accent-emerald: #10b981;
  --accent-amber: #f59e0b;
  --accent-rose: #f43f5e;
  --font-sans: "Inter", "PingFang SC", "Microsoft YaHei", system-ui, -apple-system, sans-serif;
  --font-mono: "JetBrains Mono", "Cascadia Code", Consolas, monospace;
}

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

body {
  background-color: var(--bg-primary);
  color: var(--text-primary);
  font-family: var(--font-sans);
  line-height: 1.5;
  min-height: 100vh;
}

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 14px 28px;
  background: rgba(17, 24, 39, 0.88);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-subtle);
  position: sticky;
  top: 0;
  z-index: 50;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand-logo {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  background: linear-gradient(135deg, var(--accent-blue), var(--accent-indigo));
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 16px;
  color: #fff;
  letter-spacing: 0.5px;
}

.brand-title {
  font-size: 17px;
  font-weight: 700;
  letter-spacing: -0.01em;
}

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

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

.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 3px 10px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
}

.badge-blue {
  background: rgba(56, 189, 248, 0.14);
  color: var(--accent-blue);
  border: 1px solid rgba(56, 189, 248, 0.3);
}

.badge-emerald {
  background: rgba(16, 185, 129, 0.14);
  color: var(--accent-emerald);
  border: 1px solid rgba(16, 185, 129, 0.3);
}

.badge-amber {
  background: rgba(245, 158, 11, 0.14);
  color: var(--accent-amber);
  border: 1px solid rgba(245, 158, 11, 0.3);
}

.badge-rose {
  background: rgba(244, 63, 94, 0.15);
  color: var(--accent-rose);
  border: 1px solid rgba(244, 63, 94, 0.35);
}

.badge-muted {
  background: rgba(148, 163, 184, 0.12);
  color: var(--text-secondary);
  border: 1px solid var(--border-subtle);
}

.btn {
  cursor: pointer;
  border: 1px solid var(--border-subtle);
  background: var(--bg-card);
  color: var(--text-primary);
  padding: 8px 14px;
  border-radius: 8px;
  font-size: 13px;
  font-weight: 600;
  transition: all 0.15s ease;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.btn:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-accent);
}

.btn-primary {
  background: linear-gradient(135deg, #0284c7, #4f46e5);
  border-color: rgba(56, 189, 248, 0.4);
  color: #fff;
}

.btn-primary:hover {
  filter: brightness(1.1);
}

.btn-emerald {
  background: rgba(16, 185, 129, 0.2);
  border-color: rgba(16, 185, 129, 0.45);
  color: #34d399;
}

.btn-rose {
  background: rgba(244, 63, 94, 0.18);
  border-color: rgba(244, 63, 94, 0.4);
  color: #fb7185;
}

.container {
  max-width: 1440px;
  margin: 0 auto;
  padding: 20px 28px 48px;
}

.metrics-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 14px;
  margin-bottom: 18px;
}

.metric-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 10px;
  padding: 14px 16px;
}

.metric-label {
  font-size: 12px;
  color: var(--text-secondary);
  margin-bottom: 6px;
}

.metric-value {
  font-size: 24px;
  font-weight: 700;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
}

.metric-sub {
  font-size: 11px;
  color: var(--text-muted);
  margin-top: 4px;
}

.noise-strip {
  background: var(--bg-elevated);
  border: 1px solid var(--border-subtle);
  border-radius: 10px;
  padding: 12px 16px;
  margin-bottom: 20px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
}

.noise-strip-title {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-secondary);
  margin-right: 6px;
}

.tabs {
  display: flex;
  gap: 8px;
  border-bottom: 1px solid var(--border-subtle);
  padding-bottom: 12px;
  margin-bottom: 20px;
}

.tab-btn {
  background: transparent;
  border: 1px solid transparent;
  color: var(--text-secondary);
  padding: 8px 16px;
  border-radius: 8px;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.15s;
}

.tab-btn:hover {
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.04);
}

.tab-btn.active {
  background: rgba(56, 189, 248, 0.14);
  color: var(--accent-blue);
  border-color: rgba(56, 189, 248, 0.35);
}

.tab-panel {
  display: none;
}

.tab-panel.active {
  display: block;
}

.split-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 18px;
}

.panel-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: 12px;
  padding: 18px;
}

.panel-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 14px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--border-subtle);
}

.panel-title {
  font-size: 15px;
  font-weight: 700;
}

.item-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
  max-height: 640px;
  overflow-y: auto;
  padding-right: 4px;
}

.item-row {
  background: var(--bg-elevated);
  border: 1px solid var(--border-subtle);
  border-radius: 10px;
  padding: 14px;
  transition: border-color 0.15s;
}

.item-row:hover {
  border-color: var(--border-accent);
}

.item-row-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 10px;
  margin-bottom: 6px;
}

.item-title {
  font-weight: 600;
  font-size: 14px;
  color: var(--text-primary);
}

.item-body {
  font-size: 13px;
  color: var(--text-secondary);
  margin-bottom: 8px;
  word-break: break-word;
}

.item-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  font-size: 12px;
  color: var(--text-muted);
}

.comment-box {
  margin-top: 8px;
  padding: 8px 12px;
  background: rgba(15, 23, 42, 0.7);
  border-left: 2px solid var(--accent-blue);
  border-radius: 4px;
  font-size: 12px;
  color: var(--text-secondary);
}

.input,
.textarea,
.select {
  width: 100%;
  background: var(--bg-primary);
  border: 1px solid var(--border-subtle);
  color: var(--text-primary);
  padding: 9px 12px;
  border-radius: 8px;
  font-size: 13px;
  font-family: var(--font-sans);
  margin-bottom: 10px;
}

.textarea {
  min-height: 84px;
  resize: vertical;
}

.form-label {
  display: block;
  font-size: 12px;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 4px;
}

.code-block {
  background: #090d16;
  border: 1px solid var(--border-subtle);
  border-radius: 8px;
  padding: 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: #cbd5e1;
  white-space: pre-wrap;
  overflow-x: auto;
}

.chip-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 12px;
}

.chip {
  cursor: pointer;
  font-size: 12px;
  padding: 5px 10px;
  border-radius: 6px;
  background: rgba(99, 102, 241, 0.14);
  color: #a5b4fc;
  border: 1px solid rgba(99, 102, 241, 0.3);
}

.chip:hover {
  background: rgba(99, 102, 241, 0.25);
}

.toast {
  position: fixed;
  bottom: 24px;
  right: 24px;
  background: #1e293b;
  border: 1px solid var(--accent-blue);
  color: var(--text-primary);
  padding: 12px 18px;
  border-radius: 10px;
  font-size: 13px;
  font-weight: 600;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.45);
  z-index: 100;
  display: none;
}

.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(5, 8, 15, 0.78);
  backdrop-filter: blur(6px);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 90;
}

.modal-overlay.open {
  display: flex;
}

.modal-card {
  background: var(--bg-card);
  border: 1px solid var(--border-accent);
  border-radius: 14px;
  width: 100%;
  max-width: 460px;
  padding: 24px;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.65);
}

.perm-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 8px;
  margin-bottom: 12px;
  padding: 10px;
  background: var(--bg-primary);
  border: 1px solid var(--border-subtle);
  border-radius: 8px;
}

.perm-item {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  color: var(--text-primary);
  cursor: pointer;
}

.form-grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

@media (max-width: 1100px) {
  .metrics-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  .split-grid {
    grid-template-columns: 1fr;
  }
}