:root {
  --bg: #f2f5f8;
  --card: #ffffff;
  --border: #d4dee9;
  --text: #1f2937;
  --muted: #66758a;
  --accent: #b14b34;
  --accent-soft: #f0ddd7;
}

body {
  margin: 0;
  background: radial-gradient(circle at top left, #ffffff 0%, #f2f5f8 45%, #ecf1f7 100%);
  color: var(--text);
  font-family: 'Segoe UI', 'Tahoma', sans-serif;
}

.app-root {
  min-height: 100vh;
  color: var(--text);
}

.app-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  background: #120449;
  border-bottom: 1px solid #2c196e;
  padding: 14px 22px;
  position: sticky;
  top: 0;
  z-index: 1000;
}

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

.brand-logo {
  height: 56px;
  width: auto;
  max-width: 180px;
  object-fit: contain;
}

.report-title {
  font-family: 'Segoe UI', 'Tahoma', sans-serif;
  font-size: 34px;
  line-height: 1;
  font-weight: 600;
  color: #ffffff;
}

.report-subtitle {
  font-size: 13px;
  color: #d8d4f1;
  margin-top: 3px;
}

.update-block {
  border: 1px solid #3a2a79;
  border-radius: 10px;
  padding: 8px 12px;
  min-width: 200px;
  background: rgba(255, 255, 255, 0.08);
}

.update-label {
  font-size: 11px;
  color: #d8d4f1;
  text-transform: uppercase;
  letter-spacing: 0.4px;
}

.update-time {
  font-size: 22px;
  font-family: 'Segoe UI', 'Tahoma', sans-serif;
  color: #ffffff;
  font-weight: 600;
}

.tabs-row {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding: 10px 22px 8px;
  border-bottom: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.8);
  backdrop-filter: blur(2px);
}

.top-nav-btn {
  border: 1px solid #cfd8e3;
  border-radius: 12px;
  background: #eef3f8;
  color: #344356;
  font-family: 'Segoe UI', 'Tahoma', sans-serif;
  font-size: 15px;
  font-weight: 600;
  padding: 9px 14px;
  cursor: pointer;
  transition: all 0.18s ease;
  white-space: nowrap;
}

.top-nav-btn:hover {
  border-color: #b9c7d8;
  transform: translateY(-1px);
}

.top-nav-btn.active {
  background: var(--accent-soft);
  border-color: #d4a99e;
  color: #6f2d20;
  box-shadow: 0 3px 10px rgba(177, 75, 52, 0.2);
}

.dashboard-shell {
  display: grid;
  grid-template-columns: 260px minmax(0, 1fr);
  gap: 16px;
  padding: 16px 22px 24px;
}

.left-panel {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.filter-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 12px;
  box-shadow: 0 8px 18px rgba(27, 41, 61, 0.06);
}

.filter-title {
  font-family: 'Segoe UI', 'Tahoma', sans-serif;
  font-size: 22px;
  color: #243449;
  margin-bottom: 8px;
}

.mode-btn-row {
  display: flex;
  gap: 8px;
}

.mode-btn {
  flex: 1;
  border: 1px solid #cfd8e3;
  border-radius: 10px;
  background: #f4f7fb;
  color: #263549;
  font-family: 'Segoe UI', 'Tahoma', sans-serif;
  font-size: 14px;
  font-weight: 600;
  padding: 8px 10px;
}

.source-line {
  font-size: 13px;
  margin-bottom: 4px;
}

.source-line.muted {
  color: var(--muted);
}

.content-panel {
  min-width: 0;
}

.content-panel h2 {
  font-family: 'Segoe UI', 'Tahoma', sans-serif !important;
  color: #213146 !important;
  letter-spacing: 0.5px !important;
  font-size: 34px !important;
  margin: 4px 0 12px;
}

.js-plotly-plot .plot-container,
.js-plotly-plot .svg-container {
  transition: none !important;
}

.js-plotly-plot,
.dash-graph,
.js-plotly-plot .plot-container,
.js-plotly-plot .svg-container {
  box-sizing: border-box !important;
}

.js-plotly-plot, .dash-table-container {
  border: 1px solid var(--border);
  border-radius: 12px;
  background: #fff;
}

@media (max-width: 980px) {
  .app-header {
    flex-direction: column;
    align-items: flex-start;
  }

  .report-title {
    font-size: 28px;
  }

  .dashboard-shell {
    grid-template-columns: 1fr;
  }

  .update-block {
    min-width: 0;
    width: 100%;
  }
}