/* Unified low-noise dashboard style */
:root {
  --bg-page: #f5f7fb;
  --bg-surface: #ffffff;
  --bg-surface-muted: #f8fafc;
  --text-primary: #0f172a;
  --text-secondary: #475569;
  --text-muted: #64748b;
  --border-soft: #e2e8f0;
  --border-strong: #cbd5e1;
  --shadow-soft: 0 8px 20px rgba(15, 23, 42, 0.06);
  --shadow-none: 0 0 #0000;
  --radius-md: 0.625rem;
  --radius-lg: 0.875rem;
  --focus-ring: 0 0 0 3px rgba(59, 130, 246, 0.2);
  --brand-primary: #2563eb;
  --brand-primary-hover: #1d4ed8;

  /* chart palette - light */
  --chart-grid: rgba(148, 163, 184, 0.22);
  --chart-axis: #64748b;
  --chart-legend: #334155;
  --chart-tooltip-bg: rgba(255, 255, 255, 0.96);
  --chart-tooltip-text: #0f172a;
  --chart-tooltip-border: #dbe3ee;

  --series-primary: #2563eb;
  --series-compare: #e11d48;
  --series-ma5: #4f46e5;
  --series-ma10: #7c3aed;
  --series-boll-upper: #0284c7;
  --series-boll-lower: #6366f1;
  --series-boll-middle: #64748b;
  --series-boll-fill: rgba(37, 99, 235, 0.09);
}

.dark {
  --bg-page: #0b1220;
  --bg-surface: #111827;
  --bg-surface-muted: #0f172a;
  --text-primary: #e5e7eb;
  --text-secondary: #cbd5e1;
  --text-muted: #94a3b8;
  --border-soft: #1f2937;
  --border-strong: #334155;
  --shadow-soft: 0 10px 28px rgba(0, 0, 0, 0.28);
  --focus-ring: 0 0 0 3px rgba(59, 130, 246, 0.28);
  --brand-primary: #3b82f6;
  --brand-primary-hover: #2563eb;

  /* chart palette - dark first */
  --chart-grid: rgba(148, 163, 184, 0.18);
  --chart-axis: #94a3b8;
  --chart-legend: #cbd5e1;
  --chart-tooltip-bg: rgba(15, 23, 42, 0.96);
  --chart-tooltip-text: #e2e8f0;
  --chart-tooltip-border: #334155;

  --series-primary: #38bdf8;
  --series-compare: #fb7185;
  --series-ma5: #a78bfa;
  --series-ma10: #818cf8;
  --series-boll-upper: #22d3ee;
  --series-boll-lower: #818cf8;
  --series-boll-middle: #94a3b8;
  --series-boll-fill: rgba(56, 189, 248, 0.13);
}

body {
  background: var(--bg-page);
  color: var(--text-primary);
}

html.theme-preload-lock *,
html.theme-preload-lock *::before,
html.theme-preload-lock *::after {
  transition: none !important;
  animation: none !important;
}

.dashboard-shell {
  max-width: 1360px;
}

.panel-card {
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-soft);
  background: var(--bg-surface);
  box-shadow: var(--shadow-soft);
  padding: 1rem;
  margin-bottom: 1rem;
}

.panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  margin-bottom: 0.75rem;
  padding: 0.125rem 0.125rem 0.5rem;
}

.panel-meta {
  margin: 0;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--text-muted);
}

.panel-meta-text {
  line-height: 1;
}

.panel-meta-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 0.92rem;
  height: 0.92rem;
  line-height: 1;
  font-size: 0.68rem;
  color: var(--text-muted);
  opacity: 0.72;
  text-decoration: none;
  border-radius: 9999px;
  transition: color 0.2s ease, opacity 0.2s ease, background-color 0.2s ease;
}

.panel-meta-link:hover {
  color: var(--text-secondary);
  opacity: 1;
  background-color: var(--bg-surface-muted);
}

.panel-meta-link:focus-visible {
  outline: none;
  opacity: 1;
  color: var(--text-secondary);
  box-shadow: var(--focus-ring);
}

.panel-title {
  font-size: 1.2rem;
  line-height: 1.6rem;
  font-weight: 700;
  margin: 0.1rem 0 0;
  color: var(--text-primary);
}

.dashboard-main {
  display: grid;
  grid-template-columns: minmax(238px, 278px) minmax(0, 1fr);
  gap: 1rem;
  align-items: start;
}

.panel-controls-aside {
  margin-bottom: 0;
  padding: 0.8rem 0.8rem 0.85rem;
  background: var(--bg-surface-muted);
  border-color: var(--border-soft);
  box-shadow: var(--shadow-none);
}

.panel-controls-summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin: 0;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-secondary);
}

.panel-controls-summary::-webkit-details-marker {
  display: none;
}

.panel-controls-summary::after {
  content: '▾';
  font-size: 0.8rem;
  color: var(--text-muted);
  transition: transform 0.2s ease;
}

.panel-controls-aside:not([open]) .panel-controls-summary::after {
  transform: rotate(-90deg);
}

.panel-controls-subtitle {
  margin-top: 0.32rem;
  margin-bottom: 0.7rem;
  font-size: 0.77rem;
  color: var(--text-muted);
}

.panel-controls-aside:not([open]) .panel-controls-subtitle,
.panel-controls-aside:not([open]) .controls-grid {
  display: none;
}

.panel-content-main {
  margin-bottom: 0;
  padding: 1rem 1.15rem 1.15rem;
}

.panel-content-main .panel-section-title {
  font-size: 1rem;
  color: var(--text-primary);
}

.panel-content-main .panel-section-subtitle {
  margin-bottom: 0.8rem;
}

.panel-section-title {
  font-size: 0.92rem;
  font-weight: 600;
  margin: 0;
}

.panel-section-subtitle {
  margin-top: 0.3rem;
  margin-bottom: 0.9rem;
  font-size: 0.8rem;
  color: var(--text-muted);
}

.theme-toggle-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.25rem;
  height: 2.25rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-soft);
  background: var(--bg-surface);
  color: var(--text-secondary);
  transition: border-color 0.2s ease, color 0.2s ease, background-color 0.2s ease;
}

.theme-toggle-btn:hover {
  border-color: var(--border-strong);
  background: var(--bg-surface-muted);
}

.theme-toggle-btn:focus-visible {
  outline: none;
  box-shadow: var(--focus-ring);
}

.theme-toggle-icon {
  width: 1rem;
  height: 1rem;
  display: inline-flex;
}

.controls-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.68rem;
  align-items: end;
}

.control-group {
  min-width: 0;
}

.control-label {
  display: block;
  margin-bottom: 0.34rem;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-muted);
}

.control-inline {
  display: flex;
  gap: 0.5rem;
}

.control-offset-input {
  max-width: 7rem;
}

.control-unit-select {
  min-width: 5.5rem;
}

.control-input {
  width: 100%;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-md);
  background: var(--bg-surface);
  color: var(--text-primary);
  padding: 0.46rem 0.62rem;
  line-height: 1.2rem;
  transition: border-color 0.2s ease, box-shadow 0.2s ease, background-color 0.2s ease;
}

.control-input:focus {
  outline: none;
  border-color: var(--brand-primary);
  box-shadow: var(--focus-ring);
}

.control-input:disabled {
  background: var(--bg-surface-muted);
  color: var(--text-muted);
  border-color: var(--border-soft);
  cursor: not-allowed;
}

.control-actions {
  display: flex;
  align-items: flex-end;
  gap: 0.5rem;
}

.query-btn {
  width: auto;
  min-width: 0;
  border: 0;
  border-radius: var(--radius-md);
  background: var(--brand-primary);
  color: #ffffff;
  font-weight: 600;
  padding: 0.52rem 0.86rem;
  transition: background-color 0.2s ease, opacity 0.2s ease, filter 0.2s ease;
}

.control-actions .query-btn {
  flex: 1 1 0;
}

.export-csv-btn {
  border: 1px solid var(--border-strong);
  background: var(--bg-surface);
  color: var(--text-secondary);
}

.export-csv-btn:hover:not(:disabled) {
  background: var(--bg-surface-muted);
  border-color: var(--border-strong);
}

.query-btn:hover:not(:disabled) {
  background: var(--brand-primary-hover);
}

.query-btn:focus-visible {
  outline: none;
  box-shadow: var(--focus-ring);
}

.query-btn:disabled,
.query-btn.is-loading {
  opacity: 0.72;
  cursor: not-allowed;
  filter: saturate(0.85);
  transform: none;
}

.query-btn.is-loading::after {
  content: '';
  display: inline-block;
  width: 0.8rem;
  height: 0.8rem;
  margin-left: 0.5rem;
  border: 2px solid rgba(255, 255, 255, 0.9);
  border-right-color: transparent;
  border-radius: 9999px;
  vertical-align: -0.125rem;
  animation: query-btn-spin 0.8s linear infinite;
}

@keyframes query-btn-spin {
  to {
    transform: rotate(360deg);
  }
}

.chart-card {
  margin-bottom: 0;
}

.chart-frame {
  border-radius: var(--radius-md);
  background: transparent;
  border: 0;
  padding: 0;
  box-shadow: none;
}

.chart-canvas {
  width: 100%;
  height: 500px;
  border-radius: var(--radius-md);
  background: var(--bg-surface);
  border: 1px solid var(--border-soft);
}

.toast {
  z-index: 50;
  max-width: min(80vw, 420px);
  border-radius: var(--radius-md);
  padding: 0.65rem 0.9rem;
  line-height: 1.35;
  color: #ffffff;
  box-shadow: 0 12px 26px rgba(0, 0, 0, 0.2);
  opacity: 0;
  transform: translateY(8px);
  pointer-events: none;
  transition: opacity 0.25s ease, transform 0.25s ease;
}

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

.toast-success {
  background: rgba(22, 163, 74, 0.95);
}

.toast-error {
  background: rgba(220, 38, 38, 0.95);
}

@media (max-width: 1024px) {
  .dashboard-main {
    grid-template-columns: minmax(220px, 270px) minmax(0, 1fr);
  }

  .chart-canvas {
    height: 430px;
  }
}

@media (max-width: 900px) {
  .panel-header {
    margin-bottom: 0.6rem;
  }

  .dashboard-main {
    grid-template-columns: 1fr;
    gap: 0.85rem;
  }

  .panel-controls-aside {
    padding: 0.75rem 0.75rem 0.85rem;
  }

  .panel-controls-summary {
    font-size: 0.89rem;
  }

  .control-actions {
    width: 100%;
    flex-direction: column;
    align-items: stretch;
  }

  .control-actions .query-btn {
    width: 100%;
  }

  .chart-canvas {
    height: 340px;
  }
}