@font-face {
  font-family: 'Instrument Sans';
  src: url('../fonts/instrument-sans-extended.woff2') format('woff2');
  font-weight: 400 700;
  font-display: swap;
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF,
    U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020,
    U+20A0-20AB, U+20AD-20C4, U+2113, U+2C60-2C7F, U+A720-A7FF;
}

@font-face {
  font-family: 'Instrument Sans';
  src: url('../fonts/instrument-sans.woff2') format('woff2');
  font-weight: 400 700;
  font-display: swap;
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA,
    U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191,
    U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

@font-face {
  font-family: 'IBM Plex Mono';
  src: url('../fonts/ibm-plex-mono-regular.woff2') format('woff2');
  font-weight: 400;
  font-display: swap;
}

@font-face {
  font-family: 'IBM Plex Mono';
  src: url('../fonts/ibm-plex-mono-semibold.woff2') format('woff2');
  font-weight: 600;
  font-display: swap;
}

/* Dark and light themes share surface, text, interaction and chart roles. */
:root {
  color-scheme: dark;
  --bg-canvas: #0b151e;
  --bg-sidebar: #101d28;
  --bg-surface: #152532;
  --bg-elevated: #1d2f3d;
  --bg-hover: #263b4a;
  --border-subtle: #2b404e;
  --border-strong: #445e6d;
  --border-control: #718b99;
  --text-primary: #f1f8fa;
  --text-secondary: #c6d6dd;
  --text-tertiary: #a7bcc6;
  --accent: #66dce3;
  --accent-text: #94edf0;
  --on-accent: #0a242d;
  --accent-soft: rgb(102 220 227 / 0.11);
  --accent-border: rgb(102 220 227 / 0.40);
  --status-green: #76db9f;
  --status-amber: #f3ba72;
  --status-rose: #f799a7;
  --status-violet: #beaaf6;
  --status-green-text: #92e7b3;
  --status-amber-text: #f8cb91;
  --status-rose-text: #fbb1bb;
  --scroll-thumb: #536e7e;
  --focus-ring: #94edf0;
  --surface-shadow: 0 4px 16px rgb(1 8 14 / 0.16);
  /* Charts read these through js/theme.js */
  --chart-text: #b5cbd3;
  --chart-grid: rgb(198 214 221 / 0.12);
  --chart-tooltip-bg: #1d2f3d;
  --chart-tooltip-text: #f1f8fa;
  --series-anomaly: #68c8ef;
  --series-trend: var(--status-green);
  --series-ols: var(--status-amber);
  --series-step: var(--status-violet);
  --series-alert: var(--status-rose);
  --series-muted: #829ca9;
  --series-oni: var(--series-ols);
  --font-sans: 'Instrument Sans', 'Segoe UI', system-ui, sans-serif;
  --font-mono: 'IBM Plex Mono', ui-monospace, 'Cascadia Mono', monospace;
  --sidebar-width: 252px;
  --page-padding: max(clamp(14px, 2.6vw, 44px), calc((100% - 1320px) / 2));
  --section-gap: clamp(14px, 2vw, 26px);
  --panel-padding: clamp(14px, 1.8vw, 24px);
  --radius: 14px;
}

html.light {
  color-scheme: light;
  --bg-canvas: #edf4f6;
  --bg-sidebar: #f7fbfc;
  --bg-surface: #ffffff;
  --bg-elevated: #f0f6f8;
  --bg-hover: #e3eef1;
  --border-subtle: #d4e1e6;
  --border-strong: #a8bfca;
  --border-control: #6b8591;
  --text-primary: #142932;
  --text-secondary: #36515c;
  --text-tertiary: #516a76;
  --accent: #08757e;
  --accent-text: #005d66;
  --on-accent: #fff;
  --accent-soft: rgb(8 117 126 / 0.09);
  --accent-border: rgb(8 117 126 / 0.38);
  --status-green: #1c774e;
  --status-amber: #9e5612;
  --status-rose: #b3425a;
  --status-violet: #6f51a8;
  --status-green-text: #1c6745;
  --status-amber-text: #854708;
  --status-rose-text: #96324a;
  --scroll-thumb: #829ca8;
  --focus-ring: #005d66;
  --surface-shadow: 0 3px 12px rgb(27 64 82 / 0.065);
  --chart-text: #405c68;
  --chart-grid: rgb(54 81 92 / 0.13);
  --chart-tooltip-bg: #ffffff;
  --chart-tooltip-text: #142932;
  --series-anomaly: #006fa4;
  --series-muted: #627e8a;
}

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

::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}

::-webkit-scrollbar-track {
  background: var(--bg-canvas);
}

::-webkit-scrollbar-thumb {
  background: var(--scroll-thumb);
  border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--border-strong);
}

html,
body {
  height: 100%;
  background-color: var(--bg-canvas);
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: 15px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  overflow: hidden;
}

.tabular {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.01em;
}

/* The header and case controls sit outside the scrolling workspace. */
.app-shell {
  display: grid;
  grid-template-columns: var(--sidebar-width) minmax(0, 1fr);
  height: 100dvh;
}

/* Sidebar Navigation Spine */
.sidebar {
  background: var(--bg-sidebar);
  border-right: 1px solid var(--border-subtle);
  display: flex;
  flex-direction: column;
  min-height: 0;
  overflow-y: auto;
  overscroll-behavior: contain;
  padding: 24px 16px 18px;
  gap: 22px;
  user-select: none;
}

.brand-block {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 0 8px 20px;
  border-bottom: 1px solid var(--border-subtle);
}

.brand-mark {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  flex: none;
}

.brand-title {
  font-size: 19px;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 6px;
}

.brand-sub {
  font-size: 12px;
  color: var(--text-tertiary);
  line-height: 1.25;
}

.nav-group-label {
  font-size: 12px;
  font-weight: 700;
  color: var(--text-tertiary);
  padding: 0 8px;
  margin-bottom: 8px;
  letter-spacing: 0.01em;
}

.nav-list {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.nav-btn {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  min-height: 42px;
  padding: 8px 10px;
  gap: 6px;
  border-radius: 9px;
  border: 1px solid transparent;
  background: transparent;
  color: var(--text-secondary);
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: 500;
  text-align: left;
  cursor: pointer;
  transition: background 120ms ease, color 120ms ease, border-color 120ms ease;
}

.nav-btn:hover {
  background: var(--bg-hover);
  color: var(--text-primary);
}

.nav-btn.active {
  background: var(--accent-soft);
  color: var(--accent-text);
  border-color: var(--accent-border);
  box-shadow: inset 3px 0 var(--accent);
  font-weight: 650;
}

.nav-btn-left {
  display: flex;
  align-items: center;
  gap: 9px;
  min-width: 0;
}

.nav-icon {
  width: 16px;
  height: 16px;
  opacity: 0.85;
  flex-shrink: 0;
}

.nav-tag {
  font-family: var(--font-mono);
  font-size: 10px;
  padding: 2px 6px;
  border-radius: 4px;
  background: var(--bg-elevated);
  border: 1px solid var(--border-subtle);
  color: var(--text-tertiary);
  white-space: nowrap;
  flex-shrink: 0;
}

.nav-btn.active .nav-tag {
  background: var(--accent-soft);
  border-color: var(--accent-border);
  color: var(--accent-text);
}

/* Guided Story Presets in Sidebar */
.case-list-group {
  border-top: 1px solid var(--border-subtle);
  padding-top: 12px;
}

.case-list-group summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  min-height: 42px;
  margin: 0;
  border-radius: 8px;
  cursor: pointer;
}

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

.case-list-group summary::after {
  content: "";
  width: 7px;
  height: 7px;
  margin-right: 3px;
  border-right: 1.5px solid currentColor;
  border-bottom: 1.5px solid currentColor;
  transform: rotate(45deg);
}

.case-list-group[open] summary::after {
  transform: rotate(225deg);
}

.case-list-group summary:hover {
  background: var(--bg-hover);
  color: var(--text-primary);
}

.story-btn {
  display: flex;
  flex-direction: column;
  gap: 2px;
  width: 100%;
  padding: 9px 10px;
  border-radius: 8px;
  border: 1px solid transparent;
  background: transparent;
  color: var(--text-secondary);
  font-family: var(--font-sans);
  text-align: left;
  cursor: pointer;
  transition: all 120ms ease;
}

.story-btn:hover {
  background: var(--bg-hover);
  color: var(--text-primary);
}

.story-btn.active {
  background: var(--accent-soft);
  border-color: var(--accent-border);
  color: var(--text-primary);
}

.story-btn-title {
  font-size: 13px;
  font-weight: 600;
  display: flex;
  align-items: baseline;
  gap: 8px;
}

.story-btn-meta {
  font-size: 12px;
  color: var(--text-tertiary);
  padding-left: 20px;
}

.sidebar-footer {
  margin-top: auto;
  padding: 12px 8px 0;
  border-top: 1px solid var(--border-subtle);
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.sidebar-footer-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 6px;
  font-size: 11px;
  color: var(--text-secondary);
}

.sidebar-sources {
  margin-top: 3px;
  color: var(--text-tertiary);
}

/* Main Workspace Area */
.main-area {
  container: workspace / inline-size;
  display: flex;
  flex-direction: column;
  min-width: 0;
  min-height: 0;
  overflow: hidden;
  background: var(--bg-canvas);
}

.view-bar {
  border-bottom: 1px solid var(--border-subtle);
  background: var(--bg-sidebar);
  flex-shrink: 0;
}

.view-bar-inner {
  display: flex;
  align-items: center;
  gap: 14px;
  min-height: 72px;
  padding: 9px var(--page-padding);
}

.view-title {
  flex: 1;
  min-width: 0;
  font-size: clamp(19px, 2.25vw, 31px);
  line-height: 1.17;
  font-weight: 700;
  letter-spacing: -0.03em;
  overflow-wrap: anywhere;
}

.command-bar {
  display: grid;
  gap: 14px;
  padding: var(--panel-padding);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius);
  background: var(--bg-surface);
}

.series-controls {
  display: grid;
  grid-template-columns: minmax(0, 1.22fr) minmax(0, 1fr) auto;
  align-items: stretch;
  gap: 12px;
}

.series-controls:has([data-series-control][hidden]) {
  grid-template-columns: minmax(0, max-content);
}

.analysis-controls {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px 12px;
  border-top: 1px solid var(--border-subtle);
  padding-top: 12px;
}

/* Stacked-Label Intuitive Selector Cards */
.cmd-field {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  min-width: 0;
}

.cmd-field-label {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.075em;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: 4px;
  line-height: 1.3;
}

.cmd-field-row {
  display: flex;
  align-items: center;
  gap: 8px;
}

.period-arrow {
  color: var(--text-tertiary);
  font-size: 13px;
}

/* Hide native number input spinners everywhere */
input[type="number"]::-webkit-inner-spin-button,
input[type="number"]::-webkit-outer-spin-button {
  -webkit-appearance: none;
  margin: 0;
}
input[type="number"] {
  -moz-appearance: textfield;
}

.ctrl-select,
.ctrl-input,
.year-select {
  min-height: 42px;
  min-width: 0;
  max-width: 100%;
  padding: 6px 10px;
  background: var(--bg-elevated);
  border: 1px solid var(--border-control);
  border-radius: 8px;
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: 600;
}

.ctrl-select,
.year-select {
  cursor: pointer;
}

.ctrl-select:hover,
.ctrl-input:hover,
.year-select:hover {
  border-color: var(--accent);
}

.cmd-field .ctrl-select {
  width: 100%;
  text-overflow: ellipsis;
}

.year-select {
  flex: 1;
  font-family: var(--font-mono);
  font-size: 13px;
}

.ctrl-select option,
.year-select option {
  background: var(--bg-elevated);
  color: var(--text-primary);
}

/* Tactile Switch Cards for Scientific Filters */
.cmd-switch {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 44px;
  max-width: 100%;
  padding: 6px 10px;
  border-radius: 8px;
  border: 1px solid var(--border-subtle);
  background: var(--bg-elevated);
  color: var(--text-secondary);
  font-family: var(--font-sans);
  cursor: pointer;
  transition: all 140ms ease;
  text-align: left;
}

.cmd-switch:hover {
  border-color: var(--border-strong);
  background: var(--bg-hover);
  color: var(--text-primary);
}

.cmd-switch.active {
  background: var(--bg-elevated);
  border-color: var(--accent);
  color: var(--text-primary);
}

.switch-pill {
  width: 28px;
  height: 16px;
  border-radius: 999px;
  background: var(--bg-hover);
  border: 1px solid var(--border-control);
  position: relative;
  transition: all 150ms ease;
  flex-shrink: 0;
}

.switch-thumb {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--text-secondary);
  position: absolute;
  top: 2px;
  left: 2px;
  transition: transform 150ms ease, background 150ms ease;
}

.cmd-switch.active .switch-pill {
  background: var(--accent-soft);
  border-color: var(--accent);
}

.cmd-switch.active .switch-thumb {
  transform: translateX(12px);
  background: var(--accent);
}

.switch-text-col {
  display: flex;
  flex-direction: column;
  min-width: 0;
  line-height: 1.3;
}

.switch-title {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-primary);
}

.switch-sub {
  font-size: 12px;
  color: var(--text-tertiary);
}

.cmd-switch.active .switch-sub {
  color: var(--accent-text);
}

/* Segmented Utility Buttons */
.utility-group {
  display: inline-flex;
  align-items: center;
  background: var(--bg-canvas);
  border: 1px solid var(--border-subtle);
  border-radius: 10px;
  padding: 3px;
  gap: 2px;
}

.util-btn {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  justify-content: center;
  min-width: 38px;
  min-height: 38px;
  padding: 5px 10px;
  border-radius: 7px;
  border: none;
  background: transparent;
  color: var(--text-secondary);
  font-family: var(--font-sans);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: all 120ms ease;
  white-space: nowrap;
}

.util-btn:hover {
  background: var(--bg-hover);
  color: var(--text-primary);
}

.util-btn.active {
  background: var(--accent-soft);
  color: var(--accent-text);
  box-shadow: inset 0 0 0 1px var(--accent-border);
}

.ghost-toggle {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  min-height: 40px;
  padding: 6px 10px;
  border-radius: 6px;
  border: 1px solid var(--border-subtle);
  background: transparent;
  color: var(--text-secondary);
  font-family: var(--font-sans);
  font-size: 12px;
  font-weight: 500;
  cursor: pointer;
  transition: all 120ms ease;
}

.ghost-toggle:hover {
  background: var(--bg-hover);
  color: var(--text-primary);
}

.ghost-toggle.active {
  background: var(--accent-soft);
  border-color: var(--accent-border);
  color: var(--accent-text);
}

/* Scrollable Viewport Canvas */
.workspace-scroll {
  flex: 1;
  min-height: 0;
  overflow-y: auto;
  scrollbar-gutter: stable;
  overscroll-behavior: contain;
  padding: 16px var(--page-padding) 40px;
  scroll-padding-block: 14px 24px;
  display: flex;
  flex-direction: column;
  gap: var(--section-gap);
}

.workspace-scroll > * {
  flex-shrink: 0;
  min-width: 0;
}

.view-guide-banner {
  max-width: 76ch;
  font-size: 14px;
  color: var(--text-secondary);
}

.guide-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--section-gap);
}

.guide-card {
  background: var(--bg-elevated);
  border: 1px solid var(--border-subtle);
  border-radius: 10px;
  padding: var(--panel-padding);
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.guide-card h3 {
  font-size: 14px;
  font-weight: 700;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 8px;
}

.guide-card ul {
  padding-left: 18px;
  display: flex;
  flex-direction: column;
  gap: 5px;
}

/* Signal-to-Noise Metric Hierarchy: 1 Hero + 3 Secondary Cards */
.kpi-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius);
  overflow: clip;
  background: var(--border-subtle);
}

.kpi-card {
  background: var(--bg-surface);
  padding: 14px clamp(13px, 1.4vw, 20px);
  display: flex;
  flex-direction: column;
  gap: 8px;
  min-width: 0;
  overflow-wrap: anywhere;
}

.kpi-card.hero {
  background: var(--bg-elevated);
}

.kpi-top {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 3px 8px;
}

.kpi-label {
  font-size: 13px;
  font-weight: 550;
  color: var(--text-secondary);
}

.kpi-main-row {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 4px 8px;
}

.kpi-value-hero {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 28px;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--accent-text);
  line-height: 1.1;
}

.kpi-value {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 22px;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--text-primary);
  line-height: 1.15;
}

.kpi-unit {
  font-size: 12px;
  font-weight: 500;
  color: var(--text-tertiary);
  margin-left: 3px;
}

.kpi-sub {
  font-size: 12px;
  color: var(--text-tertiary);
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 4px 8px;
}

/* Status Dots (6px inline, never loud badges) */
.status-inline {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 11.5px;
  font-weight: 500;
  color: var(--text-secondary);
}

.dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  flex-shrink: 0;
}

/* Cards & Panels */
.panel {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius);
  padding: var(--panel-padding);
  display: flex;
  flex-direction: column;
  gap: 16px;
  min-width: 0;
  box-shadow: var(--surface-shadow);
}

.panel-header {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
}

.panel-header > * {
  min-width: 0;
  max-width: 100%;
}

.chart-panel-header {
  display: grid;
  gap: 12px;
}

.panel-title {
  font-size: clamp(16px, 1.5vw, 20px);
  line-height: 1.35;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -0.01em;
}

.panel-subtitle {
  font-size: 14px;
  color: var(--text-tertiary);
  margin-top: 4px;
  max-width: 85ch;
}

.grid-12 {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: var(--section-gap);
}

.col-12 {
  grid-column: span 12;
}

.col-7 {
  grid-column: span 7;
}

.col-6 {
  grid-column: span 6;
}

.col-5 {
  grid-column: span 5;
}

/* Data Tables: Sentence-case headers, right-aligned tabular numbers, proportion bars */
.table-wrap {
  width: 100%;
  min-width: 0;
  overflow-x: auto;
  overscroll-behavior-inline: contain;
}

table.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}

table.data-table thead th {
  background: var(--bg-elevated);
  color: var(--text-secondary);
  font-weight: 600;
  padding: 9px 10px;
  border-bottom: 1px solid var(--border-subtle);
  text-align: left;
}

table.data-table thead th.num,
table.data-table tbody td.num {
  text-align: right;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}

table.data-table tbody tr {
  border-bottom: 1px solid var(--border-subtle);
  transition: background 100ms ease;
}

table.data-table tbody tr:hover {
  background: var(--bg-hover);
}

table.data-table tbody td {
  padding: 10px;
  color: var(--text-secondary);
  vertical-align: middle;
}

/* Proportion Bars inside Tables / Lists */
.prop-cell {
  display: flex;
  align-items: center;
  gap: 8px;
}

.prop-track {
  flex: 1;
  height: 5px;
  background: var(--border-subtle);
  border-radius: 3px;
  overflow: hidden;
  min-width: 60px;
}

.prop-fill {
  height: 100%;
  background: var(--accent);
  border-radius: 3px;
}

/* View Visibility */
.workspace-view {
  display: none;
  flex-direction: column;
  gap: var(--section-gap);
}

.workspace-view.active {
  display: flex;
}

/* Chart Containers */
.chart-box {
  position: relative;
  width: 100%;
  height: clamp(230px, 32vw, 375px);
}

.chart-box-sm {
  position: relative;
  width: 100%;
  height: clamp(210px, 24vw, 285px);
}

/* Inline Legend Strip (Replaces Default Chart.js Boxy Legends) */
.chart-legend {
  display: flex;
  align-items: center;
  gap: 7px 15px;
  font-size: 12px;
  color: var(--text-secondary);
  flex-wrap: wrap;
}

.legend-item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.legend-swatch {
  width: 15px;
  border-top: 2px solid currentColor;
  color: var(--series-anomaly);
  flex-shrink: 0;
}

.legend-trend {
  color: var(--series-trend);
  border-top-width: 3px;
}

.legend-ols {
  color: var(--series-ols);
  border-top-style: dashed;
}

.legend-step {
  position: relative;
  height: 7px;
  border: 0;
  color: var(--series-step);
}

.legend-step::before,
.legend-step::after {
  content: "";
  position: absolute;
  width: 50%;
  height: 100%;
}

.legend-step::before {
  left: 0;
  border-bottom: 2px solid currentColor;
}

.legend-step::after {
  right: 0;
  border-top: 2px solid currentColor;
  border-left: 2px solid currentColor;
}

.legend-extreme {
  background: var(--series-alert);
}

/* Leaflet Map */
#ecuadorMap {
  width: 100%;
  height: clamp(285px, 44vw, 460px);
  border-radius: 9px;
  background: var(--bg-elevated);
  border: 1px solid var(--border-subtle);
}

.leaflet-container {
  background: var(--bg-elevated) !important;
  font-family: var(--font-sans) !important;
}

/* Loading Overlay */
#loadingIndicator {
  display: none;
  align-items: center;
  gap: 6px;
  margin-inline-start: auto;
  order: 1;
  font-size: 11.5px;
  color: var(--accent-text);
  font-family: var(--font-mono);
}

.spinner {
  width: 12px;
  height: 12px;
  border: 2px solid var(--accent-border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}/* ---------------------------------------------------------------------------
   Accessibility helpers
   --------------------------------------------------------------------------- */

:focus-visible {
  outline: 2px solid var(--focus-ring);
  outline-offset: 2px;
}

.skip-link {
  position: absolute;
  left: 8px;
  top: -40px;
  z-index: 2000;
  padding: 6px 10px;
  border-radius: 6px;
  background: var(--accent-text);
  color: var(--on-accent);
}

.skip-link:focus {
  top: 8px;
}

[hidden] {
  display: none !important;
}

/* Expert-only content (tables columns, advanced panels) */
body:not(.expert) .expert-only {
  display: none !important;
}

/* Language-specific long prose blocks (guide and about views) */
html[lang="en"] [data-lang-block="es"],
html[lang="es"] [data-lang-block="en"] {
  display: none !important;
}

/* ---------------------------------------------------------------------------
   Status tones (text + colour, never colour alone)
   --------------------------------------------------------------------------- */
.tone-sig {
  color: var(--accent-text);
}

.tone-marginal {
  color: var(--status-amber-text);
}

.tone-none {
  color: var(--text-tertiary);
}

.tone-warn {
  color: var(--status-amber-text);
}

.tone-bad {
  color: var(--status-rose-text);
}

.tone-good {
  color: var(--status-green-text);
}

.dot.tone-sig { background: var(--accent); }
.dot.tone-marginal { background: var(--status-amber); }
.dot.tone-none { background: var(--text-tertiary); }

.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 2px 8px;
  border-radius: 999px;
  border: 1px solid var(--border-strong);
  font-size: 11.5px;
  font-weight: 600;
  line-height: 1.5;
  white-space: nowrap;
  color: var(--text-secondary);
  background: var(--bg-elevated);
}

.badge-accent {
  color: var(--accent-text);
  border-color: var(--accent-border);
  background: var(--accent-soft);
}

.badge.tone-sig {
  color: var(--accent-text);
  border-color: var(--accent-border);
  background: var(--accent-soft);
}

.badge.tone-marginal {
  color: var(--status-amber-text);
}

.badge-warn {
  color: var(--status-amber-text);
  border-color: color-mix(in srgb, var(--status-amber) 40%, transparent);
  background: color-mix(in srgb, var(--status-amber) 10%, transparent);
  white-space: normal;
}

/* ---------------------------------------------------------------------------
   Alerts and loading states
   --------------------------------------------------------------------------- */
.app-alert {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  padding: 10px 14px;
  border-radius: 8px;
  border: 1px solid color-mix(in srgb, var(--status-rose) 45%, transparent);
  background: color-mix(in srgb, var(--status-rose) 10%, transparent);
  color: var(--text-primary);
  font-size: 13px;
}

.app-alert-actions {
  display: flex;
  gap: 6px;
  flex-shrink: 0;
}

.is-loading .chart-box,
.is-loading .chart-box-sm,
.is-loading .kpi-card,
.is-loading .answer-card {
  opacity: 0.55;
  transition: opacity 0.2s ease;
}

.empty-state {
  padding: 18px;
  text-align: center;
  color: var(--text-tertiary);
  font-size: 12.5px;
}

/* ---------------------------------------------------------------------------
   Plain-language answer card
   --------------------------------------------------------------------------- */
.answer-card {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 16px 24px;
  padding: var(--panel-padding);
  border-radius: var(--radius);
  border: 1px solid var(--border-subtle);
  border-inline-start: 3px solid var(--accent);
  background: linear-gradient(110deg, var(--accent-soft), transparent 55%), var(--bg-surface);
  box-shadow: var(--surface-shadow);
}

.answer-kicker {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.065em;
  text-transform: uppercase;
  color: var(--accent-text);
  margin-bottom: 8px;
}

.answer-text {
  max-width: 64ch;
  font-size: clamp(17px, 1.8vw, 23px);
  line-height: 1.36;
  font-weight: 600;
  color: var(--text-primary);
}

.answer-context {
  margin-top: 8px;
  max-width: 83ch;
  font-size: 14px;
  color: var(--text-secondary);
}

.answer-warnings {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 8px;
}

.answer-warnings:empty {
  display: none;
}

.answer-side {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 10px;
  min-width: 140px;
}

/* ---------------------------------------------------------------------------
   Guided case walkthrough
   --------------------------------------------------------------------------- */
.case-panel {
  border-radius: var(--radius);
  border: 1px solid var(--accent-border);
  background: var(--bg-surface);
  padding: var(--panel-padding);
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.case-panel-title {
  font-size: clamp(18px, 1.8vw, 22px);
  font-weight: 700;
  color: var(--text-primary);
}

.case-question {
  font-size: 14px;
  color: var(--text-secondary);
}

.case-finding {
  font-size: 13px;
  line-height: 1.55;
  color: var(--text-primary);
  padding: 10px 12px;
  border-radius: 8px;
  background: var(--bg-elevated);
  border-left: 3px solid var(--accent);
}

.case-dock {
  border-top: 1px solid var(--accent-border);
  background: var(--bg-sidebar);
  flex-shrink: 0;
}

.case-dock-inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 8px 18px;
  padding: 10px var(--page-padding);
}

.case-step-text {
  font-size: 13px;
  color: var(--text-secondary);
  max-height: min(24dvh, 9rem);
  overflow-y: auto;
}

.case-step-nav {
  display: flex;
  align-items: center;
  gap: 8px;
}

#caseStepCounter {
  font-size: 12px;
  color: var(--text-tertiary);
  white-space: nowrap;
}

.case-highlight {
  animation: case-pulse 1.6s ease-out 1;
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

.kpi-card.case-highlight {
  outline-offset: -3px;
}

@keyframes case-pulse {
  0% { box-shadow: 0 0 0 0 var(--accent-border); }
  100% { box-shadow: 0 0 0 14px transparent; }
}

.story-btn-number {
  font-family: var(--font-mono);
  color: var(--text-tertiary);
  margin-right: 4px;
}

/* ---------------------------------------------------------------------------
   Buttons shared by panels
   --------------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  justify-content: center;
  min-height: 40px;
  padding: 6px 12px;
  border-radius: 8px;
  border: 1px solid var(--border-strong);
  background: var(--bg-elevated);
  color: var(--text-primary);
  font: inherit;
  font-size: 12.5px;
  cursor: pointer;
}

.btn:hover {
  background: var(--bg-hover);
}

.btn:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

.btn-primary {
  border-color: transparent;
  background: var(--accent-text);
  color: var(--on-accent);
}

.btn-primary:hover {
  background: var(--accent-text);
  filter: brightness(0.93);
}

.icon-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  flex-shrink: 0;
  border-radius: 8px;
  border: 1px solid var(--border-strong);
  background: transparent;
  color: var(--text-secondary);
  cursor: pointer;
}

.icon-btn:hover {
  background: var(--bg-hover);
  color: var(--text-primary);
}

.icon-btn svg,
.util-btn svg {
  width: 16px;
  height: 16px;
}

/* ---------------------------------------------------------------------------
   Guide and about prose
   --------------------------------------------------------------------------- */
.guide-card-title {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 8px;
}

.guide-step-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--accent-soft);
  color: var(--accent-text);
  font-family: var(--font-mono);
  font-size: 12px;
}

.guide-card p,
.guide-card li {
  font-size: 14px;
  line-height: 1.6;
  color: var(--text-secondary);
}

.guide-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding-left: 18px;
}

.guide-card strong {
  color: var(--text-primary);
}

.prose-block {
  display: flex;
  flex-direction: column;
  gap: var(--section-gap);
}

/* ---------------------------------------------------------------------------
   Map legend and notices
   --------------------------------------------------------------------------- */
.map-legend {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 18px;
  font-size: 12px;
  color: var(--text-secondary);
}

.map-legend-scale {
  display: flex;
  flex-direction: column;
  gap: 3px;
  width: min(220px, 100%);
}

.map-legend-bar {
  height: 10px;
  border-radius: 3px;
  border: 1px solid var(--border-subtle);
}

.map-legend-ticks {
  display: flex;
  justify-content: space-between;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-tertiary);
}

.legend-cell {
  display: inline-block;
  width: 14px;
  height: 10px;
  border-radius: 2px;
  vertical-align: middle;
  margin-right: 5px;
}

.panel-note {
  font-size: 12px;
  color: var(--text-secondary);
  padding: 8px 10px;
  border-radius: 6px;
  background: var(--bg-elevated);
  border: 1px solid var(--border-subtle);
}

.panel-note.warn {
  border-color: color-mix(in srgb, var(--status-amber) 45%, transparent);
}

.cluster-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(150px, 100%), 1fr));
  gap: 8px;
  margin-top: 6px;
}

.cluster-card {
  padding: 8px 10px;
  background: var(--bg-elevated);
  border: 1px solid var(--border-subtle);
  border-radius: 6px;
  font-size: 12px;
}

.inline-controls {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  min-width: 0;
}

.inline-controls label {
  font-size: 12px;
  color: var(--text-secondary);
}

.inline-field {
  display: grid;
  min-width: 0;
  gap: 4px;
}

.panel-header > .inline-controls {
  flex: 1 0 100%;
}

.map-controls {
  align-items: end;
  gap: 8px 16px;
}

.control-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(200px, 100%), 1fr));
}

#probeForm {
  align-items: end;
}

#probeForm input {
  width: 88px;
}

.mobile-only {
  display: none;
}

.drawer-close {
  margin-inline-start: auto;
}

.drawer-backdrop {
  display: none;
}

/* ---------------------------------------------------------------------------
   Responsive layout
   --------------------------------------------------------------------------- */
@container workspace (max-width: 810px) {
  .kpi-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .col-7,
  .col-6,
  .col-5 {
    grid-column: span 12;
  }
}

@media (max-width: 960px) {
  .app-shell {
    grid-template-columns: minmax(0, 1fr);
  }

  .sidebar {
    position: fixed;
    inset: 0 auto 0 0;
    width: min(326px, 90vw);
    z-index: 1200;
    transform: translateX(-100%);
    visibility: hidden;
    transition: transform 0.2s ease, visibility 0.2s;
  }

  body.drawer-open .sidebar {
    transform: translateX(0);
    visibility: visible;
  }

  body.drawer-open .skip-link {
    visibility: hidden;
  }

  body.drawer-open .drawer-backdrop {
    display: block;
    position: fixed;
    inset: 0;
    z-index: 1100;
    background: rgba(3, 10, 20, 0.64);
  }

  .mobile-only {
    display: inline-flex;
  }
}

@container workspace (max-width: 630px) {
  .series-controls {
    grid-template-columns: minmax(0, 1fr) auto;
  }

  .series-controls > :first-child {
    grid-column: 1 / -1;
  }

  .answer-card {
    grid-template-columns: minmax(0, 1fr);
  }

  .answer-side {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    min-width: 0;
  }

  .guide-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .case-dock-inner {
    grid-template-columns: minmax(0, 1fr);
  }

  .case-step-nav {
    justify-content: flex-end;
  }
}

@container workspace (max-width: 510px) {
  .view-bar-inner {
    min-height: 0;
    flex-wrap: wrap;
    gap: 6px 10px;
    padding-block: 7px;
  }

  .view-title {
    flex-basis: calc(100% - 52px);
  }

  .utility-group {
    margin-inline-start: auto;
  }

  .util-btn {
    min-height: 32px;
  }

  .workspace-scroll {
    padding-block: 13px 28px;
  }

  .analysis-controls .cmd-switch {
    flex: 1 1 126px;
  }
}

@container workspace (max-width: 415px) {
  .series-controls,
  #dipoleSummaryStrip {
    grid-template-columns: minmax(0, 1fr);
  }

  .year-select {
    flex: 0 1 auto;
  }
}

@media (max-height: 440px) {
  .view-bar-inner {
    min-height: 0;
    padding-block: 6px;
  }

  .case-step-text {
    max-height: 12dvh;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}