/* ============================================================
   ILLINOIS NUCLEAR INFRASTRUCTURE MAP
   Penney Design System v1.0 — 1940s Trade Journal Aesthetic
   ============================================================ */

/* --- Design System Tokens --- */
:root {
  /* Colors */
  --color-ink: #1A1A1A;
  --color-newsprint: #F5F2E8;
  --color-paper: #FDFCF9;
  --color-warm-gray: #706B5E;
  --color-blue: #2B4B6F;
  --color-red: #8B2B2B;
  --color-yellow: #C4A035;
  --color-green: #3D5C3D;
  --color-gray-90: #2D2D2D;
  --color-gray-70: #5C5C5C;
  --color-gray-50: #8A8A8A;
  --color-gray-30: #B8B8B8;
  --color-gray-15: #DCDCDC;

  /* Typography */
  --font-serif: 'Source Serif 4', 'Charter', 'Georgia', serif;
  --font-mono: 'IBM Plex Mono', 'Consolas', monospace;

  /* Type Scale */
  --text-display: 30px;
  --text-h1: 24px;
  --text-h2: 19px;
  --text-h3: 15px;
  --text-h4: 12px;
  --text-body: 12px;
  --text-small: 11px;
  --text-caption: 10px;

  /* Spacing (6pt baseline) */
  --space-xs: 6px;
  --space-sm: 12px;
  --space-md: 18px;
  --space-lg: 24px;
  --space-xl: 36px;
  --space-2xl: 48px;

  /* Borders */
  --border-hairline: 0.5px solid var(--color-gray-50);
  --border-light: 1px solid var(--color-gray-50);
  --border-medium: 1px solid var(--color-ink);
  --border-heavy: 2px solid var(--color-ink);

  /* Layout */
  --sidebar-width: 340px;
  --detail-panel-width: 360px;
  --header-height: 48px;
}

/* --- Reset & Base --- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html, body {
  height: 100%;
  overflow: hidden;
}

body {
  font-family: var(--font-serif);
  font-size: var(--text-body);
  line-height: 1.5;
  color: var(--color-ink);
  background: var(--color-newsprint);
}

/* --- Layout Grid --- */
.app-layout {
  display: grid;
  grid-template-columns: var(--sidebar-width) 1fr 0;
  grid-template-rows: var(--header-height) 1fr auto;
  grid-template-areas:
    "header header header"
    "sidebar map detail"
    "footer footer footer";
  height: 100vh;
  height: 100dvh;
}

.app-layout.detail-open {
  grid-template-columns: var(--sidebar-width) 1fr var(--detail-panel-width);
}

/* --- Header --- */
.app-header {
  grid-area: header;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--space-lg);
  background: var(--color-ink);
  color: var(--color-newsprint);
  border-bottom: var(--border-heavy);
  z-index: 100;
}

.header-left {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.header-logo {
  height: 30px;
  width: auto;
}

.app-header h1 {
  font-family: var(--font-serif);
  font-size: 20px;
  font-weight: 700;
  letter-spacing: 0.5px;
}

.header-subtitle {
  font-family: var(--font-serif);
  font-size: var(--text-caption);
  font-style: italic;
  color: var(--color-gray-30);
}

.header-right {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.header-badge {
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 1px;
  text-transform: uppercase;
  padding: 2px 8px;
  border: 1px solid var(--color-gray-50);
  color: var(--color-gray-30);
}

/* --- Sidebar --- */
.app-sidebar {
  grid-area: sidebar;
  overflow-y: auto;
  background: var(--color-newsprint);
  border-right: var(--border-medium);
  padding: var(--space-lg) var(--space-lg) var(--space-2xl);
}

.app-sidebar::-webkit-scrollbar {
  width: 6px;
}

.app-sidebar::-webkit-scrollbar-track {
  background: transparent;
}

.app-sidebar::-webkit-scrollbar-thumb {
  background: var(--color-gray-30);
  border-radius: 3px;
}

/* --- Map --- */
.app-map {
  grid-area: map;
  position: relative;
}

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

/* --- Detail Panel --- */
.app-detail {
  grid-area: detail;
  overflow-y: auto;
  background: var(--color-paper);
  border-left: var(--border-medium);
  padding: var(--space-lg);
  display: none;
}

.detail-open .app-detail {
  display: block;
}

.detail-close {
  flex-shrink: 0;
  background: none;
  border: var(--border-medium);
  width: 28px;
  height: 28px;
  cursor: pointer;
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--color-ink);
  display: flex;
  align-items: center;
  justify-content: center;
}

.detail-close:hover {
  background: var(--color-gray-15);
}

.detail-photo {
  margin-bottom: var(--space-md);
}

.detail-photo img {
  width: 100%;
  height: auto;
  display: block;
  border: var(--border-medium);
}

.detail-photo-credit {
  font-family: var(--font-mono);
  font-size: 8px;
  color: var(--color-gray-50);
  margin-top: 3px;
  text-align: right;
}

.detail-header {
  display: flex;
  align-items: flex-start;
  gap: var(--space-sm);
  margin-bottom: var(--space-lg);
  padding-bottom: var(--space-sm);
  border-bottom: var(--border-heavy);
}

.detail-header-text {
  flex: 1;
  min-width: 0;
}

.detail-header h2 {
  font-family: var(--font-serif);
  font-size: var(--text-h2);
  font-weight: 700;
  line-height: 1.25;
}

.detail-header .detail-type {
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--color-warm-gray);
  margin-top: var(--space-xs);
}

/* --- Footer --- */
.app-footer {
  grid-area: footer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-xs) var(--space-lg);
  background: var(--color-ink);
  color: var(--color-gray-50);
  font-size: 9px;
  font-family: var(--font-mono);
  letter-spacing: 0.5px;
  border-top: var(--border-heavy);
  z-index: 100;
}

.app-footer a {
  color: var(--color-gray-30);
  text-decoration: none;
}

.app-footer a:hover {
  text-decoration: underline;
}

/* --- Section Headers --- */
.section-label {
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--color-ink);
  margin-bottom: var(--space-sm);
  padding-bottom: var(--space-xs);
  border-bottom: var(--border-heavy);
}

.section-label.accent-red { border-color: var(--color-red); }
.section-label.accent-blue { border-color: var(--color-blue); }
.section-label.accent-green { border-color: var(--color-green); }
.section-label.accent-yellow { border-color: var(--color-yellow); }

/* --- Map Controls --- */
.map-controls {
  margin-bottom: var(--space-lg);
}

.control-group {
  margin-bottom: var(--space-md);
}

.control-group-label {
  font-family: var(--font-mono);
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--color-warm-gray);
  margin-bottom: var(--space-xs);
}

.layer-toggle {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: 4px 0;
  cursor: pointer;
  font-size: 11px;
  line-height: 1.4;
}

.layer-toggle input[type="checkbox"] {
  accent-color: var(--color-blue);
  width: 14px;
  height: 14px;
  flex-shrink: 0;
}

.layer-swatch {
  width: 14px;
  height: 14px;
  flex-shrink: 0;
  border: 1px solid var(--color-gray-50);
}

.layer-swatch.swatch-line {
  width: 18px;
  height: 3px;
  border: none;
}

.layer-swatch.swatch-point {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}

/* --- Stat Cards --- */
.stat-row {
  display: flex;
  gap: var(--space-sm);
  margin-bottom: var(--space-md);
}

.stat-card {
  flex: 1;
  padding: var(--space-sm);
  border: var(--border-medium);
  background: var(--color-paper);
  text-align: center;
}

.stat-value {
  font-family: var(--font-mono);
  font-size: 22px;
  font-weight: 700;
  line-height: 1.1;
  color: var(--color-ink);
}

.stat-label {
  font-family: var(--font-serif);
  font-size: var(--text-caption);
  color: var(--color-warm-gray);
  margin-top: 4px;
  line-height: 1.3;
}

.stat-source {
  font-family: var(--font-mono);
  font-size: 8px;
  color: var(--color-gray-50);
  margin-top: 2px;
}

.stat-badge {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 8px;
  letter-spacing: 0.5px;
  padding: 1px 4px;
  margin-left: 4px;
  vertical-align: super;
}

.stat-badge.badge-rank {
  background: var(--color-blue);
  color: var(--color-paper);
}

.stat-badge.badge-est {
  background: var(--color-yellow);
  color: var(--color-ink);
}

.stat-badge.badge-dated {
  background: var(--color-gray-50);
  color: var(--color-paper);
}

/* --- Expandable Sections --- */
.expandable-section {
  margin-bottom: var(--space-sm);
  border: var(--border-hairline);
}

.expandable-section summary {
  font-family: var(--font-serif);
  font-size: 11px;
  font-weight: 700;
  padding: var(--space-sm);
  cursor: pointer;
  background: var(--color-paper);
  list-style: none;
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.expandable-section summary::before {
  content: '\25B6';
  font-size: 8px;
  color: var(--color-warm-gray);
  transition: transform 0.15s;
}

.expandable-section[open] summary::before {
  transform: rotate(90deg);
}

.expandable-section summary::-webkit-details-marker {
  display: none;
}

.expandable-content {
  padding: var(--space-sm);
  font-size: 11px;
  line-height: 1.5;
  border-top: var(--border-hairline);
}

.expandable-content p {
  margin-bottom: var(--space-sm);
}

.expandable-content p:last-child {
  margin-bottom: 0;
}

/* --- Data Tables --- */
.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 11px;
  margin-bottom: var(--space-sm);
}

.data-table th {
  font-family: var(--font-mono);
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  text-align: left;
  padding: var(--space-xs) var(--space-sm);
  border-bottom: var(--border-medium);
  color: var(--color-warm-gray);
}

.data-table td {
  padding: var(--space-xs) var(--space-sm);
  border-bottom: var(--border-hairline);
  vertical-align: top;
}

.data-table td.numeric {
  font-family: var(--font-mono);
  text-align: right;
}

.data-table tr:last-child td {
  border-bottom: var(--border-medium);
}

.data-table .total-row td {
  font-weight: 700;
  border-top: var(--border-medium);
}

.table-source {
  font-family: var(--font-mono);
  font-size: 8px;
  color: var(--color-gray-50);
  margin-top: var(--space-xs);
}

/* --- NLIC Readiness Checklist --- */
.checklist-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-sm);
  padding: var(--space-xs) 0;
  font-size: 11px;
  line-height: 1.4;
}

.checklist-status {
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 700;
  flex-shrink: 0;
  width: 18px;
  text-align: center;
}

.checklist-status.has { color: var(--color-green); }
.checklist-status.partial { color: var(--color-yellow); }
.checklist-status.gap { color: var(--color-red); }

/* --- Map Legend --- */
.map-legend {
  position: absolute;
  bottom: var(--space-lg);
  right: var(--space-lg);
  background: var(--color-paper);
  border: var(--border-medium);
  padding: var(--space-sm);
  font-size: 10px;
  z-index: 10;
  max-width: 220px;
}

.legend-title {
  font-family: var(--font-mono);
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  margin-bottom: var(--space-xs);
  color: var(--color-warm-gray);
}

.legend-item {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: 2px 0;
  font-size: 10px;
}

.legend-swatch {
  width: 14px;
  height: 14px;
  flex-shrink: 0;
  border: 1px solid var(--color-gray-50);
}

.legend-swatch.swatch-circle {
  border-radius: 50%;
}

.legend-swatch.swatch-line {
  width: 18px;
  height: 3px;
  border: none;
}

.legend-swatch.swatch-diamond {
  width: 10px;
  height: 10px;
  transform: rotate(45deg);
}

.legend-section {
  margin-top: var(--space-xs);
  padding-top: var(--space-xs);
  border-top: var(--border-hairline);
}

.legend-section:first-child {
  margin-top: 0;
  padding-top: 0;
  border-top: none;
}

/* --- Narrative Content --- */
.narrative-section {
  margin-bottom: var(--space-xl);
}

.narrative-section p {
  font-size: var(--text-small);
  line-height: 1.6;
  margin-bottom: var(--space-sm);
}

.narrative-section p:last-child {
  margin-bottom: 0;
}

.source-cite {
  font-family: var(--font-mono);
  font-size: 8px;
  color: var(--color-gray-50);
}

/* --- MapLibre Overrides --- */
.maplibregl-popup-content {
  font-family: var(--font-serif);
  font-size: 11px;
  padding: var(--space-sm);
  border-radius: 0;
  border: var(--border-medium);
  background: var(--color-paper);
  box-shadow: 2px 2px 0 rgba(0,0,0,0.1);
}

.maplibregl-popup-close-button {
  font-size: 16px;
  padding: 2px 6px;
  color: var(--color-ink);
}

.maplibregl-ctrl-group {
  border-radius: 0 !important;
  border: var(--border-medium) !important;
  box-shadow: none !important;
}

.maplibregl-ctrl-group button {
  border-radius: 0 !important;
}

/* --- Utility --- */
.mono { font-family: var(--font-mono); }
.italic { font-style: italic; }
.text-muted { color: var(--color-warm-gray); }
.text-red { color: var(--color-red); }
.data-gap { color: var(--color-red); font-family: var(--font-mono); font-size: 9px; }
.text-blue { color: var(--color-blue); }
.text-green { color: var(--color-green); }
.mb-sm { margin-bottom: var(--space-sm); }
.mb-md { margin-bottom: var(--space-md); }
.mb-lg { margin-bottom: var(--space-lg); }

/* ============================================================
   MOBILE LAYOUT — 768px breakpoint
   ============================================================ */

@media (max-width: 768px) {

  :root {
    --mobile-header-height: 48px;
  }

  /* --- Grid: single column, map fills viewport --- */
  .app-layout {
    grid-template-columns: 1fr;
    grid-template-rows: var(--mobile-header-height) 1fr;
    grid-template-areas:
      "header"
      "map";
  }

  .app-layout.detail-open {
    grid-template-columns: 1fr;
  }

  /* --- Header: compact --- */
  .app-header {
    padding: 0 var(--space-sm);
    z-index: 100;
  }

  .app-header h1 {
    font-size: 15px;
  }

  .header-subtitle {
    display: none;
  }

  .header-logo {
    height: 24px;
  }

  .header-right {
    gap: var(--space-sm);
  }

  /* --- Footer: hidden --- */
  .app-footer {
    display: none;
  }

  /* --- Sidebar as fixed bottom drawer --- */
  .app-sidebar {
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 50;
    border-right: none;
    border-top: var(--border-heavy);
    padding: 0 var(--space-md) calc(120px + env(safe-area-inset-bottom, 0px));
    transition: top 300ms ease-out;
    overscroll-behavior: contain;
    -webkit-overflow-scrolling: touch;
  }

  /* Drawer states — top-based positioning, never translateY */
  .app-sidebar.drawer--collapsed {
    top: calc(100vh - 72px);
    top: calc(100dvh - 72px);
    overflow-y: hidden;
  }

  .app-sidebar.drawer--peek {
    top: 55vh;
    top: 55dvh;
    overflow-y: auto;
  }

  .app-sidebar.drawer--full {
    top: var(--mobile-header-height);
    overflow-y: auto;
  }

  /* --- Drawer handle --- */
  .drawer-handle {
    position: sticky;
    top: 0;
    background: var(--color-newsprint);
    padding: var(--space-sm) var(--space-md) var(--space-xs);
    z-index: 1;
    border-bottom: var(--border-hairline);
    touch-action: none;
  }

  .drawer-grip,
  .card-grip {
    width: 36px;
    height: 4px;
    background: var(--color-gray-30);
    border-radius: 2px;
    margin: 0 auto var(--space-xs);
  }

  .drawer-handle-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
  }

  .drawer-handle-label {
    font-family: var(--font-mono);
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    color: var(--color-warm-gray);
  }

  .drawer-handle-btn {
    font-family: var(--font-mono);
    font-size: 12px;
    letter-spacing: 0.5px;
    padding: var(--space-xs) var(--space-sm);
    min-height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: none;
    border: var(--border-medium);
    color: var(--color-ink);
    cursor: pointer;
  }

  /* --- Detail panel as card half-sheet --- */
  .app-detail {
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    top: 50vh;
    top: 50dvh;
    z-index: 60;
    border-left: none;
    border-top: var(--border-heavy);
    padding: 0 var(--space-md) calc(var(--space-2xl) + env(safe-area-inset-bottom, 0px));
    transition: top 300ms ease-out;
    overscroll-behavior: contain;
    -webkit-overflow-scrolling: touch;
  }

  .app-detail.card--expanded {
    top: var(--mobile-header-height);
  }

  /* Card grip bar */
  .card-grip-bar {
    position: sticky;
    top: 0;
    background: var(--color-paper);
    padding: var(--space-sm) 0 var(--space-xs);
    z-index: 1;
    touch-action: none;
  }

  /* Detail close button — 44px target */
  .detail-close {
    width: 44px;
    height: 44px;
    font-size: 18px;
  }

  /* --- Backdrop --- */
  .mobile-card-backdrop {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.3);
    z-index: 55;
  }

  /* --- Toast --- */
  .mobile-toast {
    position: fixed;
    bottom: 88px;
    bottom: calc(88px + env(safe-area-inset-bottom, 0px));
    left: 50%;
    transform: translateX(-50%);
    background: var(--color-ink);
    color: var(--color-newsprint);
    font-family: var(--font-mono);
    font-size: 12px;
    letter-spacing: 0.5px;
    padding: var(--space-sm) var(--space-lg);
    z-index: 70;
    opacity: 0;
    transition: opacity 400ms ease;
    white-space: nowrap;
  }

  .mobile-toast--visible {
    opacity: 1;
  }

  /* --- Scrim hint --- */
  .scrim-hint {
    position: absolute;
    top: 40%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: var(--color-paper);
    font-family: var(--font-mono);
    font-size: 12px;
    letter-spacing: 0.5px;
    opacity: 0.8;
    transition: opacity 500ms ease;
  }

  .scrim-hint--fade {
    opacity: 0;
  }

  /* --- Map legend: repositioned above drawer --- */
  .map-legend {
    bottom: 80px;
    right: var(--space-sm);
    max-width: 180px;
    font-size: 9px;
    padding: var(--space-xs);
  }

  .legend-item {
    font-size: 9px;
    padding: 1px 0;
  }

  .legend-swatch {
    width: 12px;
    height: 12px;
  }

  .legend-swatch.swatch-line {
    width: 14px;
  }

  /* Hide sidebar's own "Map Layers" label (drawer handle has it) */
  .map-controls > .section-label {
    display: none;
  }

  /* --- Layer toggles: 44px touch targets --- */
  .layer-toggle {
    min-height: 44px;
    padding: var(--space-sm) 0;
    font-size: 13px;
  }

  .layer-toggle input[type="checkbox"] {
    width: 18px;
    height: 18px;
  }

  /* --- Expandable sections: 44px touch targets --- */
  .expandable-section summary {
    min-height: 44px;
    font-size: 13px;
  }

  .expandable-content {
    font-size: 13px;
  }

  /* --- Checklist items: 44px touch targets --- */
  .checklist-item {
    min-height: 44px;
    padding: var(--space-sm) 0;
    font-size: 13px;
  }

  .checklist-status {
    font-size: 12px;
  }

  /* --- Font floor: 12px minimum ---
     Cascade: 12px metadata, 13px secondary, 14px tables, 15px primary */
  .narrative-section p {
    font-size: 13px !important;
    line-height: 1.5;
  }

  .stat-label {
    font-size: 12px;
  }

  .stat-source,
  .table-source,
  .source-cite {
    font-size: 12px;
  }

  .detail-photo-credit {
    font-size: 12px;
  }

  .stat-badge {
    font-size: 12px;
  }

  .data-table {
    font-size: 13px;
  }

  .data-table th {
    font-size: 12px;
  }

  .data-table td.mono,
  .data-table td[style] {
    font-size: 12px !important;
  }

  .control-group-label {
    font-size: 12px;
  }

  .section-label {
    font-size: 12px;
  }

  /* Stat cards: slightly larger for mobile */
  .stat-value {
    font-size: 24px;
  }

  .stat-card {
    padding: var(--space-sm) var(--space-xs);
  }

  /* --- MapLibre zoom control --- */
  .maplibregl-ctrl-top-left {
    top: var(--space-sm) !important;
    left: var(--space-sm) !important;
  }

  /* --- MapLibre popup: larger touch dismiss --- */
  .maplibregl-popup-content {
    padding-right: 36px;
  }

  .maplibregl-popup-close-button {
    font-size: 20px;
    padding: 4px 8px;
    min-width: 44px;
    min-height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
  }
}

/* --- Desktop: hide mobile-only elements --- */
@media (min-width: 769px) {
  .drawer-handle,
  .card-grip-bar,
  .mobile-card-backdrop,
  .mobile-toast,
  .scrim-hint {
    display: none !important;
  }
}