:root {
  color-scheme: dark;
  font-family: 'Inter', 'Segoe UI', sans-serif;
  --bg-gradient-start: #0f172a;
  --bg-gradient-mid: #020617;
  --bg-gradient-end: #0b1220;
  --card-bg: rgba(15, 23, 42, 0.65);
  --card-border: rgba(148, 163, 184, 0.2);
  --text-primary: #e2e8f0;
  --text-secondary: #94a3b8;
  --accent: #38bdf8;
  --accent-strong: #0ea5e9;
  --muted: rgba(148, 163, 184, 0.14);
  --shadow-strong: 0 18px 40px rgba(15, 23, 42, 0.55);
  --sidebar-sticky-offset: 96px;
}

html {
  -webkit-text-size-adjust: 100%;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: inherit;
  background: radial-gradient(circle at top, var(--bg-gradient-start), var(--bg-gradient-mid) 45%, var(--bg-gradient-end));
  color: var(--text-primary);
}

body.light {
  color-scheme: light;
  background: linear-gradient(160deg, #ffffff 0%, #f8fafc 70%, #e2e8f0 100%);
  --card-bg: rgba(255, 255, 255, 0.82);
  --card-border: rgba(15, 23, 42, 0.08);
  --text-primary: #0f172a;
  --text-secondary: #475569;
  --muted: rgba(15, 23, 42, 0.08);
  --shadow-strong: 0 18px 32px rgba(15, 23, 42, 0.15);
}

body, button, input, textarea {
  font-family: inherit;
}

.hidden {
  display: none !important;
}

a {
  color: inherit;
  text-decoration: none;
}

button {
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

button:disabled {
  cursor: not-allowed;
  opacity: 0.6;
}

.app-shell {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(14px);
  background: rgba(2, 6, 23, 0.72);
  border-bottom: 1px solid var(--card-border);
}

body.light .site-header {
  background: rgba(255, 255, 255, 0.85);
}

.header-inner {
  margin: 0 auto;
  padding: 14px 28px;
  max-width: 1280px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.branding h1 {
  margin: 0;
  font-size: 1.55rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.branding p {
  margin: 4px 0 0;
  font-size: 0.82rem;
  color: var(--text-secondary);
}

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

.control-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 18px;
  border-radius: 999px;
  border: 1px solid var(--card-border);
  background: rgba(148, 163, 184, 0.12);
  color: inherit;
  font-size: 0.85rem;
  text-decoration: none;
}

.control-button:hover {
  transform: translateY(-1px);
  box-shadow: 0 10px 24px rgba(14, 165, 233, 0.18);
}

.control-button--active {
  border-color: rgba(56, 189, 248, 0.65);
  background: rgba(56, 189, 248, 0.18);
}

body.light .control-button {
  background: rgba(15, 23, 42, 0.05);
}

body.light .control-button--active {
  background: rgba(14, 165, 233, 0.18);
}

.main-content {
  flex: 1;
  width: 100%;
  margin: 0 auto;
  max-width: 1280px;
  padding: 32px;
}

.layout-grid {
  display: grid;
  grid-template-columns: minmax(0, 360px) minmax(0, 1fr);
  grid-template-areas: 'sidebar content';
  gap: 28px;
  align-items: start;
}

.sidebar {
  grid-area: sidebar;
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 28px;
  padding: 28px;
  box-shadow: var(--shadow-strong);
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.sidebar h2 {
  margin: 0;
  font-size: 1.05rem;
  font-weight: 600;
}

.input-label {
  display: block;
  font-size: 0.82rem;
  color: var(--text-secondary);
  margin-bottom: 6px;
}

.search-input {
  width: 100%;
  padding: 12px 14px;
  border-radius: 16px;
  border: 1px solid var(--card-border);
  background: rgba(15, 23, 42, 0.45);
  color: inherit;
  font-size: 0.95rem;
  transition: border 0.2s ease, box-shadow 0.2s ease;
}

body.light .search-input {
  background: rgba(255, 255, 255, 0.95);
}

.search-input:focus {
  outline: none;
  border-color: rgba(56, 189, 248, 0.7);
  box-shadow: 0 0 0 3px rgba(56, 189, 248, 0.2);
}

.select-input {
  width: 100%;
  padding: 12px 14px;
  border-radius: 16px;
  border: 1px solid var(--card-border);
  background: rgba(15, 23, 42, 0.45);
  color: inherit;
  font-size: 0.95rem;
  transition: border 0.2s ease, box-shadow 0.2s ease;
  appearance: none;
}

body.light .select-input {
  background: rgba(255, 255, 255, 0.95);
}

.select-input:focus {
  outline: none;
  border-color: rgba(56, 189, 248, 0.7);
  box-shadow: 0 0 0 3px rgba(56, 189, 248, 0.2);
}

.search-results {
  max-height: 280px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding-right: 6px;
}

.categories-panel {
  margin-top: 28px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.categories-hint {
  margin: 0;
  font-size: 0.78rem;
}

.category-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
  max-height: clamp(320px, 60vh, 560px);
  overflow-y: auto;
  padding-right: 6px;
}

.category-group {
  border-radius: 18px;
  border: 1px solid var(--card-border);
  background: rgba(15, 23, 42, 0.6);
  overflow: hidden;
}

body.light .category-group {
  background: rgba(255, 255, 255, 0.92);
}

.category-group summary {
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding: 12px 16px;
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
}

.category-group summary::-webkit-details-marker {
  display: none;
}

.category-group[open] summary {
  border-bottom: 1px solid var(--card-border);
}

.category-count {
  font-size: 0.78rem;
  color: var(--text-secondary);
}

.category-series {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 12px 16px 16px;
  max-height: min(340px, 45vh);
  overflow-y: auto;
  padding-right: 20px;
  margin-right: -4px;
  scrollbar-gutter: stable both-edges;
}

.category-series__item {
  width: 100%;
  text-align: left;
  padding: 10px 12px;
  border-radius: 14px;
  border: 1px solid transparent;
  background: rgba(15, 23, 42, 0.45);
  display: flex;
  flex-direction: column;
  gap: 4px;
  transition: transform 0.2s ease, border 0.2s ease, background 0.2s ease;
}

body.light .category-series__item {
  background: rgba(255, 255, 255, 0.95);
}

.category-series__item:hover {
  transform: translateY(-1px);
  border-color: rgba(56, 189, 248, 0.45);
}

.category-series__title {
  font-weight: 600;
  font-size: 0.9rem;
}

.category-series__meta {
  font-size: 0.78rem;
  color: var(--text-secondary);
}

.search-result {
  width: 100%;
  text-align: left;
  padding: 14px 16px;
  border-radius: 18px;
  background: rgba(15, 23, 42, 0.6);
  border: 1px solid transparent;
  color: inherit;
  display: flex;
  flex-direction: column;
  gap: 4px;
  transition: transform 0.2s ease, border 0.2s ease, background 0.2s ease;
}

body.light .search-result {
  background: rgba(255, 255, 255, 0.92);
}

.search-result:hover {
  transform: translateY(-1px);
  border-color: rgba(56, 189, 248, 0.45);
}

.search-result__title {
  font-weight: 600;
  font-size: 0.95rem;
}

.search-result__meta,
.search-result__timestamp {
  font-size: 0.75rem;
  color: var(--text-secondary);
}

.muted-text {
  color: var(--text-secondary);
  font-size: 0.85rem;
  margin: 0;
}

.error-text {
  color: #f87171;
  font-size: 0.85rem;
  margin: 0;
}

.section-divider {
  border-top: 1px solid var(--card-border);
  padding-top: 20px;
}

.primary-button {
  padding: 12px 16px;
  border-radius: 16px;
  border: 1px solid rgba(56, 189, 248, 0.5);
  background: rgba(56, 189, 248, 0.18);
  color: inherit;
  font-size: 0.95rem;
  font-weight: 600;
}

.primary-button:hover {
  transform: translateY(-1px);
  box-shadow: 0 14px 28px rgba(56, 189, 248, 0.25);
}

body.light .primary-button {
  background: rgba(14, 165, 233, 0.15);
}

.content-stack {
  grid-area: content;
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.share-main {
  max-width: 1280px;
  width: 100%;
  padding-top: 28px;
  padding-bottom: 48px;
}

.share-content {
  display: flex;
  flex-direction: column;
  gap: 18px;
  width: 100%;
}

.share-content .card {
  width: 100%;
}

.share-main .chart-wrapper {
  height: clamp(240px, 48vh, 520px);
}

@media (max-width: 768px) {
  .share-main .chart-wrapper {
    height: clamp(220px, 44vh, 440px);
  }
}

.share-main .range-controls,
.share-main .share-chart-controls {
  justify-content: center;
}

.share-main .share-chart-controls {
  margin-top: 24px;
}

.card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 28px;
  padding: 28px;
  box-shadow: var(--shadow-strong);
}

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 20px;
}

.card-title {
  margin: 0;
  font-size: 1.1rem;
  font-weight: 600;
}

.button-group {
  display: flex;
  gap: 12px;
}

.chart-wrapper {
  position: relative;
  height: clamp(260px, 52vh, 560px);
}

@media (max-width: 768px) {
  .chart-wrapper {
    height: clamp(220px, 48vh, 460px);
  }
}

@media (max-width: 768px) {
  input,
  select,
  textarea {
    font-size: 1rem;
  }
}

#econChart {
  width: 100%;
  height: 100%;
}

.chart-wrapper canvas {
  cursor: grab;
  touch-action: pan-y;
}

.range-controls {
  margin-top: 20px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
}

@media (max-width: 768px) {
  .range-controls {
    flex-wrap: nowrap;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    padding-bottom: 6px;
  }

  .range-controls .control-button {
    flex: 0 0 auto;
    white-space: nowrap;
  }
}

.chart-controls {
  margin-top: 20px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
}

.checkbox-control {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 16px;
  border-radius: 999px;
  border: 1px solid var(--card-border);
  background: rgba(148, 163, 184, 0.12);
  font-size: 0.85rem;
  color: inherit;
}

.checkbox-control input {
  width: 16px;
  height: 16px;
  accent-color: var(--accent);
}

.checkbox-control--disabled {
  opacity: 0.6;
}

.checkbox-control--disabled input {
  pointer-events: none;
}

.control-button--ghost {
  background: transparent;
  border-color: rgba(148, 163, 184, 0.45);
}

body.light .control-button--ghost {
  background: rgba(15, 23, 42, 0.04);
}

.danger-button {
  padding: 12px 16px;
  border-radius: 16px;
  border: 1px solid rgba(248, 113, 113, 0.5);
  background: rgba(248, 113, 113, 0.16);
  color: inherit;
  font-weight: 600;
}

.danger-button:hover {
  transform: translateY(-1px);
  box-shadow: 0 14px 28px rgba(248, 113, 113, 0.25);
}

.marker-overlay {
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.7);
  backdrop-filter: blur(6px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  z-index: 60;
}

.marker-modal {
  width: min(480px, 100%);
  background: rgba(15, 23, 42, 0.85);
  border: 1px solid var(--card-border);
  border-radius: 24px;
  padding: 28px;
  box-shadow: var(--shadow-strong);
  display: flex;
  flex-direction: column;
  gap: 24px;
}

body.light .marker-modal {
  background: rgba(255, 255, 255, 0.92);
}

.marker-modal__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.marker-modal__form {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.form-row {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 16px;
}

.marker-modal__form input[type='text'],
.marker-modal__form input[type='date'] {
  padding: 11px 14px;
  border-radius: 14px;
  border: 1px solid var(--card-border);
  background: rgba(15, 23, 42, 0.5);
  color: inherit;
  font-size: 0.95rem;
}

body.light .marker-modal__form input[type='text'],
body.light .marker-modal__form input[type='date'] {
  background: rgba(255, 255, 255, 0.95);
}

.marker-modal__form input[type='color'] {
  width: 100%;
  height: 44px;
  border-radius: 14px;
  border: 1px solid var(--card-border);
  background: transparent;
  padding: 0;
}

.marker-modal__form input[type='range'] {
  width: 100%;
}

.range-value {
  font-size: 0.8rem;
  color: var(--text-secondary);
}

.marker-modal__actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.export-overlay {
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.7);
  backdrop-filter: blur(6px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  z-index: 58;
}

.export-modal {
  width: min(420px, 100%);
  background: rgba(15, 23, 42, 0.85);
  border: 1px solid var(--card-border);
  border-radius: 24px;
  padding: 28px;
  box-shadow: var(--shadow-strong);
  display: flex;
  flex-direction: column;
  gap: 20px;
}

body.light .export-modal {
  background: rgba(255, 255, 255, 0.92);
}

.export-modal__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.export-modal__description {
  margin: 0;
  font-size: 0.85rem;
}

.export-options {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: 12px;
}

.export-options .control-button {
  width: 100%;
}

.chart-wrapper canvas.is-dragging {
  cursor: grabbing;
}

.ad-disclaimer {
  margin: 0 auto;
  font-size: 0.75rem;
  color: var(--text-secondary);
  text-align: center;
  max-width: 560px;
  line-height: 1.5;
}

.insights-card {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.insights-tabs {
  display: flex;
  background: rgba(148, 163, 184, 0.08);
  border-radius: 18px;
  padding: 6px;
  gap: 6px;
}

.insight-tab {
  flex: 1;
  border: none;
  background: transparent;
  color: inherit;
  padding: 10px 16px;
  border-radius: 14px;
  font-weight: 600;
  font-size: 0.9rem;
  transition: background 0.2s ease, color 0.2s ease;
}

.insight-tab.active {
  background: rgba(56, 189, 248, 0.22);
  color: inherit;
}

.insight-panel {
  display: none;
  flex-direction: column;
  gap: 18px;
}

.insight-panel.active {
  display: flex;
}

.analysis-tabs {
  display: flex;
  gap: 12px;
}

.analysis-tab {
  padding: 9px 16px;
  border-radius: 14px;
  border: 1px solid transparent;
  background: rgba(148, 163, 184, 0.12);
  font-size: 0.85rem;
  font-weight: 600;
  color: inherit;
}

.analysis-tab.active {
  border-color: rgba(56, 189, 248, 0.65);
  background: rgba(56, 189, 248, 0.22);
}

#correlationHeatmap {
  min-height: 320px;
  display: block;
}

#statsTable {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.85rem;
}

#statsTable th,
#statsTable td {
  padding: 10px 12px;
  text-align: left;
  border-bottom: 1px solid var(--card-border);
}

.analysis-content {
  margin-top: 6px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.card-subtitle {
  margin: 0 0 12px;
  font-size: 0.95rem;
  font-weight: 600;
}


.series-options-panel,
.marker-options-panel {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.series-options-panel:empty::after,
.marker-options-panel:empty::after {
  content: 'Nothing to configure yet. Add items to see options.';
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.series-option,
.marker-option {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 14px 16px;
  border: 1px solid var(--card-border);
  border-radius: 18px;
  background: rgba(15, 23, 42, 0.35);
}

.series-option {
  align-items: flex-start;
  flex-wrap: wrap;
  gap: 12px 18px;
}

body.light .series-option,
body.light .marker-option {
  background: rgba(255, 255, 255, 0.9);
}

.marker-option {
  flex-direction: column;
  align-items: stretch;
  gap: 14px;
}

.series-option__info {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  min-width: 0;
  flex: 1 1 280px;
}

.series-option__info > .toggle-switch {
  flex-shrink: 0;
}

.series-option__meta {
  display: flex;
  flex-direction: column;
  gap: 4px;
  min-width: 0;
}

.series-option__title {
  margin: 0;
  font-weight: 600;
  font-size: 0.95rem;
  line-height: 1.25;
  white-space: normal;
  overflow: hidden;
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
  word-break: break-word;
}

.series-option__subtitle {
  margin: 0;
  font-size: 0.75rem;
  color: var(--text-secondary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  word-break: break-word;
}

.series-option__actions,
.marker-option__actions {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.series-option__actions {
  flex: 1 1 220px;
  justify-content: flex-end;
}

@media (max-width: 720px) {
  .series-option__actions {
    justify-content: flex-start;
  }
}

.series-point-toggle {
  padding: 8px 16px;
  font-weight: 600;
  border-radius: 14px;
  min-width: 128px;
}

.series-share-toggle {
  padding: 8px 12px;
  border-radius: 14px;
  font-size: 0.75rem;
  background: rgba(148, 163, 184, 0.16);
  border-color: rgba(148, 163, 184, 0.45);
  white-space: nowrap;
}

.series-share-toggle input {
  width: 14px;
  height: 14px;
}

.series-point-toggle.is-lines-only {
  border-color: rgba(56, 189, 248, 0.55);
  background: rgba(56, 189, 248, 0.18);
}

body.light .series-point-toggle.is-lines-only {
  background: rgba(14, 165, 233, 0.18);
}

.series-option--hidden .series-option__title {
  text-decoration: line-through;
  color: var(--text-secondary);
}

.color-input {
  appearance: none;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 2px solid rgba(148, 163, 184, 0.35);
  padding: 0;
  background: none;
  overflow: hidden;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.color-input:focus-visible {
  outline: none;
  box-shadow: 0 0 0 3px rgba(56, 189, 248, 0.35);
}

.color-input:hover {
  transform: translateY(-1px);
  box-shadow: 0 12px 20px rgba(15, 23, 42, 0.35);
}

.color-input::-webkit-color-swatch-wrapper {
  padding: 0;
}

.color-input::-webkit-color-swatch {
  border: none;
  border-radius: 50%;
}

.color-input::-moz-color-swatch {
  border: none;
  border-radius: 50%;
}

input[type='color'] {
  appearance: none;
  border-radius: 12px;
  border: 1px solid var(--card-border);
  width: 44px;
  height: 36px;
  padding: 0;
  background: none;
}

.icon-button {
  border: 1px solid var(--card-border);
  background: rgba(148, 163, 184, 0.12);
  color: inherit;
  border-radius: 999px;
  padding: 8px 12px;
  font-size: 0.8rem;
}

.icon-button--circle {
  width: 32px;
  height: 32px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0;
  font-size: 1rem;
}

.icon-button.danger {
  border-color: rgba(248, 113, 113, 0.5);
  background: rgba(248, 113, 113, 0.15);
}

.toggle-switch {
  position: relative;
  width: 46px;
  height: 26px;
  border-radius: 999px;
  border: 1px solid var(--card-border);
  background: rgba(148, 163, 184, 0.2);
  transition: background 0.2s ease;
}

.toggle-switch::after {
  content: '';
  position: absolute;
  top: 3px;
  left: 3px;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--text-primary);
  transition: transform 0.2s ease;
}

.toggle-switch[aria-pressed='true'] {
  background: rgba(56, 189, 248, 0.35);
  border-color: rgba(56, 189, 248, 0.65);
}

.toggle-switch[aria-pressed='true']::after {
  transform: translateX(20px);
}

.marker-option__header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  width: 100%;
}

.marker-option__title {
  margin: 0;
  font-weight: 600;
  font-size: 0.9rem;
}

.marker-option__inputs {
  flex: 1;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 12px;
}

.marker-option label {
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: 0.75rem;
  color: var(--text-secondary);
}

.marker-option input[type="date"],
.marker-option input[type="text"],
.marker-option input[type="number"],
.marker-option input[type="range"] {
  border-radius: 12px;
  border: 1px solid var(--card-border);
  padding: 8px 10px;
  background: rgba(15, 23, 42, 0.45);
  color: inherit;
}

body.light .marker-option input[type="date"],
body.light .marker-option input[type="text"],
body.light .marker-option input[type="number"],
body.light .marker-option input[type="range"] {
  background: rgba(255, 255, 255, 0.95);
}

.marker-option input[type="color"] {
  width: 40px;
  height: 40px;
  border-radius: 999px;
  border: 1px solid var(--card-border);
  background: none;
  padding: 0;
  cursor: pointer;
}

.ad-panel {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.ad-grid {
  width: 100%;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  align-items: stretch;
}

@media (max-width: 720px) {
  .ad-grid {
    grid-template-columns: minmax(0, 1fr);
  }
}

.ad-card {
  display: flex;
  gap: 16px;
  text-decoration: none;
  border-radius: 22px;
  border: 1px solid var(--card-border);
  background: rgba(148, 163, 184, 0.08);
  padding: 18px 22px;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  color: inherit;
  width: 100%;
  height: 100%;
}

.ad-card:hover {
  transform: translateY(-1px);
  box-shadow: 0 14px 26px rgba(15, 23, 42, 0.2);
}

body.light .ad-card {
  background: rgba(15, 23, 42, 0.04);
}

.ad-card__image {
  width: 96px;
  height: 96px;
  flex-shrink: 0;
  border-radius: 18px;
  background: rgba(15, 23, 42, 0.08);
  border: 1px solid rgba(148, 163, 184, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
}

.ad-card__image img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  border-radius: 16px;
}

.ad-card__info {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.ad-card__title {
  margin: 0;
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
}

.ad-card__subtitle {
  margin: 0;
  font-size: 0.86rem;
  color: var(--text-secondary);
}

.ad-card__price {
  display: flex;
  gap: 8px;
  align-items: baseline;
  font-weight: 600;
}

.ad-card__price-current {
  font-size: 1.05rem;
}

.ad-card__price-list {
  font-size: 0.85rem;
  text-decoration: line-through;
  color: var(--text-secondary);
}

.ad-card__badges {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.ad-card__badge {
  padding: 4px 10px;
  border-radius: 999px;
  background: rgba(148, 163, 184, 0.2);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-primary);
}

body.light .ad-card__badge {
  background: rgba(15, 23, 42, 0.08);
}

.ad-card__badge--prime {
  background: rgba(56, 189, 248, 0.18);
  color: #38bdf8;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.ad-card__badge-icon {
  height: 14px;
  width: auto;
}

body.light .ad-card__badge--prime {
  color: #0284c7;
}

.ad-card__badge--savings {
  background: rgba(74, 222, 128, 0.18);
  color: #22c55e;
}

body.light .ad-card__badge--savings {
  color: #15803d;
}

.ad-card__empty {
  margin: 0;
  text-align: center;
  color: var(--text-secondary);
  font-size: 0.85rem;
}

.section-description {
  margin: 8px 0 0;
  color: var(--text-secondary);
  font-size: 0.88rem;
}

.auth-card {
  max-width: 420px;
  margin: 0 auto;
}

.form-stack {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.form-stack .primary-button {
  width: 100%;
}

.form-status {
  font-size: 0.84rem;
  color: var(--text-secondary);
}

.form-status--error {
  color: #f87171;
}

body.light .form-status--error {
  color: #dc2626;
}

.form-status--success {
  color: #34d399;
}

body.light .form-status--success {
  color: #059669;
}

.admin-add-grid {
  display: grid;
  gap: 20px;
}

@media (min-width: 768px) {
  .admin-add-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

.admin-dataset-controls {
  display: flex;
  flex-direction: column;
  gap: 16px;
  width: 100%;
}

.admin-dataset-filters {
  display: grid;
  gap: 12px;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  align-items: end;
  width: 100%;
}

.admin-dataset-filter {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.admin-dataset-filter--actions {
  align-items: flex-start;
  justify-content: flex-end;
}

.admin-dataset-filter--actions .control-button {
  width: 100%;
}

@media (min-width: 992px) {
  .admin-dataset-controls {
    flex-direction: row;
    align-items: flex-end;
    justify-content: space-between;
  }

  .admin-dataset-filters {
    max-width: 600px;
  }

  .admin-dataset-filter--actions {
    align-items: flex-end;
  }

  .admin-dataset-filter--actions .control-button {
    width: auto;
  }
}

.admin-dataset-category-select {
  min-width: 160px;
}

.category-manager {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.category-manager__form {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.category-manager__form-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
}

.category-manager__form-row .primary-button {
  flex-shrink: 0;
}

.category-manager__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.category-manager__item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 16px 18px;
  border-radius: 18px;
  border: 1px solid var(--card-border);
  background: rgba(148, 163, 184, 0.1);
}

body.light .category-manager__item {
  background: rgba(15, 23, 42, 0.05);
}

.category-manager__info {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.category-manager__name {
  font-weight: 600;
}

.category-manager__count {
  font-size: 0.82rem;
  color: var(--text-secondary);
}

.category-manager__actions {
  display: flex;
  gap: 10px;
}

.category-manager__empty {
  padding: 16px 18px;
  border-radius: 16px;
  border: 1px dashed var(--card-border);
  color: var(--text-secondary);
  font-size: 0.88rem;
  text-align: center;
}

.form-error {
  margin: 4px 0 0;
  font-size: 0.82rem;
  color: #f87171;
}

body.light .form-error {
  color: #dc2626;
}

.admin-layout {
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.admin-topbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.admin-topbar__actions {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  flex-wrap: wrap;
  gap: 16px;
}

.tab-button-group {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.tab-button {
  font-weight: 500;
}

.tab-panel {
  display: none;
  flex-direction: column;
  gap: 28px;
}

.tab-panel.is-active {
  display: flex;
}

.tab-panel[hidden] {
  display: none !important;
}

.metric-grid {
  margin-top: 20px;
  display: grid;
  gap: 18px;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
}

.metric-tile {
  padding: 18px;
  border-radius: 20px;
  border: 1px solid var(--card-border);
  background: rgba(148, 163, 184, 0.08);
  display: flex;
  flex-direction: column;
  gap: 8px;
}

body.light .metric-tile {
  background: rgba(15, 23, 42, 0.05);
}

.metric-label {
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-secondary);
}

.metric-value {
  font-size: 1.5rem;
  font-weight: 600;
}

.device-grid {
  margin-top: 16px;
  display: grid;
  gap: 16px;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
}

.device-card {
  padding: 16px;
  border-radius: 18px;
  border: 1px solid var(--card-border);
  background: rgba(148, 163, 184, 0.08);
  display: flex;
  flex-direction: column;
  gap: 6px;
}

body.light .device-card {
  background: rgba(15, 23, 42, 0.05);
}

.device-card__label {
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-secondary);
}

.device-card__value {
  font-size: 1.2rem;
  font-weight: 600;
}

.referrer-list {
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.referrer-list__item {
  padding: 16px;
  border-radius: 18px;
  border: 1px solid var(--card-border);
  background: rgba(148, 163, 184, 0.08);
  display: flex;
  flex-direction: column;
  gap: 8px;
}

body.light .referrer-list__item {
  background: rgba(15, 23, 42, 0.05);
}

.referrer-list__source {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 600;
}

.referrer-list__meta {
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.referrer-list__link {
  font-size: 0.78rem;
  color: var(--accent);
  border-bottom: 1px solid transparent;
}

.referrer-list__link:hover {
  border-bottom-color: currentColor;
}

body.light .referrer-list__link {
  color: var(--accent-strong);
}

.referrer-list__empty {
  padding: 18px;
  border-radius: 18px;
  border: 1px dashed var(--card-border);
  text-align: center;
  color: var(--text-secondary);
}

.control-chip {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 8px 16px;
  border-radius: 999px;
  border: 1px solid var(--card-border);
  background: rgba(148, 163, 184, 0.12);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-secondary);
}

.chart-pair {
  display: grid;
  gap: 20px;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}

.chart-panel {
  position: relative;
  height: 260px;
}

.chart-panel canvas {
  width: 100%;
  height: 100%;
}

.admin-ad-grid {
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

.admin-ads-panel {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.admin-ads-form-grid {
  display: grid;
  gap: 24px;
}

.watermark-card {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.watermark-layout {
  display: grid;
  grid-template-columns: minmax(0, 320px) minmax(0, 1fr);
  gap: 24px;
}

.watermark-controls {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.watermark-field {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.watermark-field--toggle {
  padding: 14px 18px;
  border-radius: 18px;
  border: 1px solid var(--card-border);
  background: rgba(148, 163, 184, 0.1);
}

body.light .watermark-field--toggle {
  background: rgba(15, 23, 42, 0.05);
}

.watermark-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.watermark-field--range .range-value {
  align-self: flex-end;
  font-size: 0.8rem;
  color: var(--text-secondary);
}

.watermark-preview {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 20px;
}

.watermark-preview__item {
  display: flex;
  flex-direction: column;
  gap: 12px;
  align-items: center;
  background: rgba(15, 23, 42, 0.6);
  border: 1px solid var(--card-border);
  border-radius: 24px;
  padding: 20px;
  box-shadow: var(--shadow-strong);
}

body.light .watermark-preview__item {
  background: rgba(255, 255, 255, 0.85);
}

.watermark-preview__item canvas {
  width: 100%;
  height: 160px;
  border-radius: 16px;
  background: rgba(15, 23, 42, 0.85);
  display: block;
}

body.light .watermark-preview__item canvas {
  background: rgba(226, 232, 240, 0.85);
}

.watermark-preview__label {
  font-size: 0.8rem;
  color: var(--text-secondary);
  text-align: center;
}

.watermark-status {
  margin-top: -8px;
}

.admin-ad-form {
  display: grid;
  gap: 16px;
}

.admin-ad-form__heading {
  grid-column: 1 / -1;
  margin: 0;
}

.admin-ad-form .primary-button {
  width: fit-content;
}

.admin-ad-form--manual {
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  align-items: end;
}

.admin-ad-form--manual .form-row--checkbox {
  align-items: center;
}

.admin-ad-form--manual .primary-button {
  justify-self: start;
}

.admin-manual-cancel {
  justify-self: start;
}

.admin-ad-form--editing {
  outline: 2px solid var(--accent);
  outline-offset: 4px;
  border-radius: 18px;
}

#adminAdFormStatus {
  grid-column: 1 / -1;
}

#adminManualAdStatus {
  grid-column: 1 / -1;
}

@media (min-width: 640px) {
  .admin-ad-form {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    align-items: end;
  }

  .admin-ad-form .primary-button {
    justify-self: start;
  }

  .admin-ads-form-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

.form-row--checkbox {
  flex-direction: row;
  gap: 12px;
}

.checkbox-label {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 500;
}

.checkbox-label input[type='checkbox'] {
  width: 18px;
  height: 18px;
}

.admin-ads-table td {
  vertical-align: top;
}

.admin-ads-preview {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}

.admin-ads-image {
  width: 96px;
  height: 96px;
  object-fit: contain;
  border-radius: 16px;
  border: 1px solid var(--card-border);
  background: rgba(148, 163, 184, 0.12);
  flex-shrink: 0;
}

.admin-ads-info {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.admin-ads-title {
  font-weight: 600;
  margin: 0;
  color: var(--text-primary);
  text-decoration: none;
}

.admin-ads-title:hover {
  text-decoration: underline;
}

.admin-ads-subtitle {
  margin: 0;
  color: var(--text-secondary);
  font-size: 0.85rem;
}

.admin-ads-badges {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.admin-ads-badge {
  padding: 4px 10px;
  border-radius: 999px;
  background: rgba(148, 163, 184, 0.18);
  color: var(--text-primary);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

body.light .admin-ads-badge {
  background: rgba(15, 23, 42, 0.08);
}

.admin-ads-badge--prime {
  background: rgba(56, 189, 248, 0.18);
  color: #38bdf8;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.admin-ads-badge__icon {
  height: 14px;
  width: auto;
}

body.light .admin-ads-badge--prime {
  color: #0284c7;
}

.admin-ads-badge--manual {
  background: rgba(129, 140, 248, 0.2);
  color: #a5b4fc;
}

body.light .admin-ads-badge--manual {
  color: #6366f1;
}

.admin-ads-badge--savings {
  background: rgba(74, 222, 128, 0.18);
  color: #22c55e;
}

body.light .admin-ads-badge--savings {
  color: #15803d;
}

.admin-ads-price { 
  display: flex;
  gap: 8px;
  align-items: baseline;
  font-weight: 600;
}

.admin-ads-price-current {
  font-size: 1rem;
}

.admin-ads-price-list {
  font-size: 0.85rem;
  text-decoration: line-through;
  color: var(--text-secondary);
}

.admin-ad-weight-form {
  display: flex;
  gap: 8px;
  align-items: center;
}

.admin-ad-weight-form input {
  width: 72px;
  padding: 6px 8px;
  border-radius: 10px;
  border: 1px solid var(--card-border);
  background: transparent;
  color: inherit;
}

.admin-ads-html {
  font-size: 0.82rem;
  color: var(--text-secondary);
}

.table-wrapper {
  margin-top: 20px;
  overflow-x: auto;
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}

.data-table th,
.data-table td {
  padding: 12px 14px;
  text-align: left;
  border-bottom: 1px solid var(--card-border);
}

.data-table th {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-secondary);
}

.data-table th.is-sortable {
  cursor: pointer;
  position: relative;
  padding-right: 26px;
}

.data-table th.is-sortable::after {
  content: '';
  position: absolute;
  right: 10px;
  top: 50%;
  width: 0;
  height: 0;
  border-left: 5px solid transparent;
  border-right: 5px solid transparent;
  border-top: 6px solid transparent;
  border-bottom: 6px solid transparent;
  transform: translateY(-50%);
  opacity: 0.35;
}

.data-table th.is-sortable.is-sorted[data-sort-direction='asc']::after {
  border-bottom-color: currentColor;
  opacity: 0.85;
}

.data-table th.is-sortable.is-sorted[data-sort-direction='desc']::after {
  border-top-color: currentColor;
  opacity: 0.85;
}

.data-table__empty td {
  text-align: center;
  padding: 24px 0;
}

.site-footer {
  margin-top: 48px;
  padding: 24px 32px 48px;
  text-align: center;
  font-size: 0.75rem;
  color: var(--text-secondary);
}

::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: rgba(148, 163, 184, 0.1);
}

::-webkit-scrollbar-thumb {
  background: rgba(148, 163, 184, 0.35);
  border-radius: 999px;
}

@media (max-width: 1100px) {
  .layout-grid {
    grid-template-columns: 1fr;
    grid-template-areas:
      'sidebar'
      'content';
  }

  .sidebar {
    position: sticky;
    top: var(--sidebar-sticky-offset);
    z-index: 30;
  }

  .watermark-layout {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 1100px) and (min-width: 721px) {
  .chart-wrapper {
    height: 400px;
  }
}

@media (max-width: 1100px) and (orientation: landscape) and (pointer: coarse) {
  .sidebar {
    position: static;
    top: auto;
    z-index: auto;
  }
}

@media (max-width: 720px) {
  .header-inner,
  .main-content {
    padding-left: 20px;
    padding-right: 20px;
  }

  .header-inner {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }

  .branding h1 {
    font-size: 1.35rem;
  }

  .branding p {
    font-size: 0.8rem;
  }

  .header-actions {
    width: 100%;
    justify-content: flex-start;
  }

  .layout-grid {
    gap: 20px;
  }

  :root {
    --sidebar-sticky-offset: 152px;
  }

  .sidebar,
  .card {
    border-radius: 20px;
    padding: 20px;
  }

  .sidebar {
    position: static;
    top: auto;
    z-index: auto;
    gap: 18px;
  }

  .card-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }

  .button-group {
    flex-direction: column;
    align-items: flex-start;
  }

  .card-title {
    font-size: 1rem;
  }

  .chart-wrapper {
    height: min(520px, 70vh);
  }

  .control-button,
  .primary-button {
    padding: 10px 14px;
  }

  .button-group .control-button,
  .button-group .primary-button,
  .chart-controls .control-button,
  .range-controls .control-button {
    width: auto;
  }

  .chart-controls,
  .range-controls {
    align-items: flex-start;
  }

  .form-stack .control-button,
  .form-stack .primary-button,
  .marker-modal__actions .primary-button,
  .marker-modal__actions .danger-button,
  .category-manager__form button,
  .admin-ad-form button,
  .admin-add-form button,
  .admin-dataset-filter--actions .control-button,
  .admin-ads-form-grid .control-button,
  .watermark-actions .control-button,
  .watermark-actions .primary-button {
    width: 100%;
  }

  .chart-controls {
    flex-direction: column;
    align-items: stretch;
    gap: 10px;
  }

  .checkbox-control {
    justify-content: center;
    font-size: 0.8rem;
    padding: 8px 12px;
  }

  .watermark-grid {
    grid-template-columns: 1fr;
  }

  .watermark-preview {
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  }

  .watermark-preview__item canvas {
    height: 140px;
  }

  .muted-text,
  .input-label {
    font-size: 0.75rem;
  }

  .search-input {
    padding: 10px 12px;
    font-size: 0.85rem;
  }

  .series-options-panel {
    gap: 12px;
  }
}

/* Prevent iOS Safari zooming on inputs/buttons */
@media (max-width: 768px) {
  input,
  select,
  textarea,
  button {
    font-size: 16px !important;
  }
}