/* ── Design tokens (shared with geo-check) ──────────────────────────────────
   Single source of truth for colour, type, radius, motion and z-index.
   Component rules below reference these — avoid hard-coded values. */
:root {
  /* Brand */
  --swiss-red: #d8232a;
  --federal-blue: #1a365d;
  --federal-blue-light: #2d4a7a;
  --federal-blue-hover: rgba(26, 54, 93, 0.04);
  --federal-blue-ring: rgba(26, 54, 93, 0.2);
  --federal-blue-selected: rgba(26, 54, 93, 0.06);

  /* Neutrals */
  --color-white: #fff;
  --gray-50: #f9fafb;
  --gray-100: #f3f4f6;
  --gray-200: #e5e7eb;
  --gray-300: #d1d5db;
  --gray-400: #9ca3af;
  --gray-500: #6b7280;
  --gray-600: #4b5563;
  --gray-700: #374151;
  --gray-800: #1f2937;
  --gray-900: #111827;

  /* Feedback / status (soft background + readable foreground) */
  --color-success-fg: #15803d;
  --color-success-bg: #f0fdf4;
  --color-danger-fg: #dc2626;
  --color-danger-bg: #fef2f2;
  --color-danger-border: #fecaca;
  --color-warning-fg: #b45309;
  --color-warning-bg: #fffbeb;

  /* Overlays */
  --color-overlay: rgba(17, 24, 39, 0.5);      /* gray-900 @ 50% */
  --color-on-primary-faint: rgba(255, 255, 255, 0.3);

  /* Typography */
  --font-family: "Source Sans 3", "Source Sans Pro", system-ui, -apple-system, sans-serif;
  --font-mono: "SF Mono", "Cascadia Code", "Consolas", monospace;
  --text-xs: 0.75rem;     /* 12px */
  --text-sm: 0.8125rem;   /* 13px */
  --text-base: 0.875rem;  /* 14px */
  --text-md: 0.9375rem;   /* 15px */
  --text-lg: 1rem;        /* 16px */
  --text-xl: 1.125rem;    /* 18px */
  --text-2xl: 1.25rem;    /* 20px */

  /* Radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-pill: 9999px;

  /* Shadow */
  --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
  --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.1), 0 2px 4px -2px rgba(0,0,0,0.1);

  /* Motion */
  --transition-fast: 100ms;
  --transition-base: 150ms;

  /* Z-index */
  --z-dropdown: 100;
  --z-modal: 1000;

  /* Layout */
  --header-height: 56px;
  --footer-height: 36px;
}

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

/* The `hidden` attribute must always win over any element's display rule
   (e.g. .batch-file-chip { display: inline-flex }). */
[hidden] { display: none !important; }

body {
  font-family: var(--font-family);
  font-size: var(--text-md);
  line-height: 1.5;
  color: var(--gray-800);
  background: var(--gray-50);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* ── Header ── */
.header {
  height: var(--header-height);
  background: var(--color-white);
  border-bottom: 1px solid var(--gray-200);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 1.5rem;
  flex-shrink: 0;
}

.header-left {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.header-flag { flex-shrink: 0; }

.header-title {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}

.header-agency {
  font-size: var(--text-xs);
  color: var(--gray-500);
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.header-app {
  font-size: var(--text-lg);
  font-weight: 600;
  color: var(--federal-blue);
}

.lang-select {
  font-family: var(--font-family);
  font-size: var(--text-sm);
  font-weight: 600;
  padding: 0.25rem 0.5rem;
  border: 1px solid var(--gray-300);
  border-radius: var(--radius-sm);
  background: var(--color-white);
  color: var(--gray-700);
  cursor: pointer;
}

/* ── Main ── */
.main {
  flex: 1;
  display: flex;
  flex-direction: column;
  max-width: 960px;
  width: 100%;
  margin: 0 auto;
  padding: 1.5rem;
  gap: 1.5rem;
}

/* ── Card surface — shared by the search, results and detail panels ── */
.search-panel,
.results-panel,
.detail-panel {
  background: var(--color-white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
}
.results-panel,
.detail-panel { overflow: hidden; }

/* ── Eyebrow / caps label — small uppercase metadata labels ── */
.detail-label,
.detail-map-heading,
.batch-columns-label {
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--gray-500);
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

/* ── Panel headers — shared chrome for the section + modal headers ── */
.results-header,
.detail-header,
.modal-header {
  display: flex;
  border-bottom: 1px solid var(--gray-200);
}
.detail-header,
.modal-header {
  align-items: center;
  justify-content: space-between;
}

/* ── Search Panel ── */
.search-panel {
  padding: 1.5rem;
}

.search-heading {
  font-size: var(--text-xl);
  font-weight: 600;
  color: var(--federal-blue);
  margin-bottom: 1.25rem;
  padding-bottom: 0.75rem;
  border-bottom: 2px solid var(--swiss-red);
}

.search-form {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem 1.5rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.form-group label {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--gray-600);
}

.form-group input,
.form-group select {
  font-family: var(--font-family);
  font-size: var(--text-md);
  height: 36px;
  padding: 0 0.625rem;
  border: 1px solid var(--gray-300);
  border-radius: var(--radius-sm);
  background: var(--color-white);
  color: var(--gray-800);
  transition: border-color var(--transition-base), box-shadow var(--transition-base);
}

.form-group input::placeholder {
  color: var(--gray-400);
}

.form-group input:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--federal-blue);
  box-shadow: 0 0 0 2px var(--federal-blue-ring);
}

/* ── Autocomplete ── */
.autocomplete-wrap {
  position: relative;
}

.autocomplete-list {
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  z-index: var(--z-dropdown);
  margin: 2px 0 0;
  padding: 0.25rem 0;
  list-style: none;
  background: var(--color-white);
  border: 1px solid var(--gray-300);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-md);
  max-height: 220px;
  overflow-y: auto;
}

.autocomplete-list li {
  padding: 0.375rem 0.625rem;
  font-size: var(--text-base);
  color: var(--gray-700);
  cursor: pointer;
  transition: background var(--transition-fast);
}

.autocomplete-list li:hover,
.autocomplete-list li.active {
  background: var(--federal-blue-hover);
}

.autocomplete-list li b {
  font-weight: 600;
  color: var(--gray-900);
}

.form-actions {
  grid-column: 1 / -1;
  display: flex;
  gap: 0.75rem;
  padding-top: 0.5rem;
}

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 36px; /* consistent, accessible tap target (≥24px, WCAG 2.5.8) */
  font-family: var(--font-family);
  font-size: var(--text-base);
  font-weight: 600;
  line-height: 1;
  padding: 0.5rem 1.25rem;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: background var(--transition-base), border-color var(--transition-base), color var(--transition-base);
  white-space: nowrap;
}

.btn-primary {
  background: var(--federal-blue);
  color: var(--color-white);
}
.btn-primary:hover { background: var(--federal-blue-light); }

.btn-secondary {
  background: var(--color-white);
  color: var(--gray-700);
  border-color: var(--gray-300);
}
.btn-secondary:hover { background: var(--gray-50); }

.btn-ghost {
  background: transparent;
  color: var(--federal-blue);
  padding: 0.375rem 0.75rem;
}
.btn-ghost:hover { background: var(--federal-blue-hover); }

.btn-sm { font-size: var(--text-sm); padding: 0.375rem 0.875rem; }

.btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

/* ── Loading state ── */
.btn-primary.loading {
  pointer-events: none;
  opacity: 0.7;
}
.btn-primary.loading::after {
  content: "";
  display: inline-block;
  width: 14px;
  height: 14px;
  margin-left: 0.5rem;
  border: 2px solid var(--color-on-primary-faint);
  border-top-color: var(--color-white);
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
  vertical-align: middle;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ── Results Panel ── */
.results-header {
  align-items: baseline;
  gap: 0.75rem;
  padding: 1rem 1.5rem;
  flex-wrap: wrap;
}

.results-heading {
  font-size: var(--text-lg);
  font-weight: 600;
  color: var(--gray-800);
}

.results-count {
  font-size: var(--text-sm);
  color: var(--gray-500);
}

.results-table-wrap { overflow-x: auto; }

.results-table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--text-base);
}

.results-table th {
  text-align: left;
  font-weight: 600;
  color: var(--gray-600);
  background: var(--gray-50);
  padding: 0.625rem 1rem;
  border-bottom: 1px solid var(--gray-200);
  white-space: nowrap;
}

.results-table td {
  padding: 0.5rem 1rem;
  border-bottom: 1px solid var(--gray-100);
  color: var(--gray-700);
}

.results-table tbody tr {
  cursor: pointer;
  transition: background var(--transition-fast);
}
.results-table tbody tr:hover { background: var(--federal-blue-hover); }
.results-table tbody tr:focus-visible {
  outline: 2px solid var(--federal-blue);
  outline-offset: -2px;
}
.results-table tbody tr.selected { background: var(--federal-blue-selected); }

.results-table .egrid-cell {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
}

.status-badge {
  display: inline-block;
  font-size: var(--text-xs);
  font-weight: 600;
  padding: 0.125rem 0.5rem;
  border-radius: var(--radius-pill);
  white-space: nowrap;
}
.status-badge.active {
  background: var(--color-success-bg);
  color: var(--color-success-fg);
}
.status-badge.inactive {
  background: var(--color-danger-bg);
  color: var(--color-danger-fg);
}

/* ── Pagination ── */
.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  padding: 0.75rem 1rem;
  border-top: 1px solid var(--gray-200);
}

.page-info {
  font-size: var(--text-sm);
  color: var(--gray-500);
}

/* ── Detail Panel ── */
.detail-header {
  padding: 1rem 1.5rem;
}

.detail-heading {
  font-size: var(--text-lg);
  font-weight: 600;
  color: var(--gray-800);
}

.detail-body {
  padding: 1.25rem 1.5rem;
}

.detail-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem 2rem;
}

.detail-field {
  display: flex;
  flex-direction: column;
  gap: 0.125rem;
}

.detail-value {
  font-size: var(--text-md);
  color: var(--gray-800);
}

.detail-value.mono {
  font-family: var(--font-mono);
  font-size: var(--text-base);
}

.detail-links {
  display: flex;
  gap: 0.75rem;
  margin-top: 1.25rem;
  padding-top: 1rem;
  border-top: 1px solid var(--gray-100);
  flex-wrap: wrap;
}

.detail-link {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--federal-blue);
  text-decoration: none;
  padding: 0.375rem 0.75rem;
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-sm);
  transition: background var(--transition-base);
}
.detail-link:hover { background: var(--federal-blue-hover); }

/* ── Embedded swisstopo map (map.geo.admin.ch iframe) ── */
.detail-map {
  margin-top: 1.25rem;
  padding-top: 1rem;
  border-top: 1px solid var(--gray-100);
}

.detail-map-heading {
  /* typography shared via the eyebrow group above */
  margin-bottom: 0.625rem;
}

.detail-map-frame {
  display: block;
  width: 100%;
  height: 600px;
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-sm);
  background: var(--gray-50);
}

@media (max-width: 640px) {
  .detail-map-frame { height: 420px; }
}

/* ── Empty / Error states ── */
.message-box {
  padding: 2rem;
  text-align: center;
  color: var(--gray-500);
  font-size: var(--text-md);
}

/* Feedback boxes share the danger palette; layout differs per context. */
.error-box,
.batch-error {
  background: var(--color-danger-bg);
  color: var(--color-danger-fg);
  font-size: var(--text-base);
}
.error-box {
  padding: 1rem 1.5rem;
  border-bottom: 1px solid var(--color-danger-border);
}

/* ── Footer ── */
.footer {
  height: var(--footer-height);
  border-top: 1px solid var(--gray-200);
  background: var(--color-white);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 1.5rem;
  font-size: var(--text-xs);
  color: var(--gray-500);
  flex-shrink: 0;
}

.footer-info {
  display: flex;
  gap: 0.375rem;
}

.footer-links {
  display: flex;
  gap: 1rem;
}

.footer a {
  color: var(--gray-500);
  text-decoration: none;
}
.footer a:hover { text-decoration: underline; }

/* ── Responsive ── */
@media (max-width: 640px) {
  .search-form {
    grid-template-columns: 1fr;
  }
  .detail-grid {
    grid-template-columns: 1fr;
  }
  .main { padding: 1rem; }
}

/* ── Mode tabs (search ↔ batch) ── */
.mode-tabs {
  display: inline-flex;
  align-self: flex-start;
  background: var(--color-white);
  border: 1px solid var(--gray-300);
  border-radius: var(--radius-sm);
  overflow: hidden;
}

.mode-tab {
  font-family: var(--font-family);
  font-size: var(--text-base);
  font-weight: 600;
  padding: 0.5rem 1.25rem;
  border: none;
  background: var(--color-white);
  color: var(--gray-600);
  cursor: pointer;
  transition: background var(--transition-base), color var(--transition-base);
}
.mode-tab + .mode-tab { border-left: 1px solid var(--gray-300); }
.mode-tab:hover { background: var(--federal-blue-hover); }
.mode-tab.active { background: var(--federal-blue); color: var(--color-white); }
.mode-tab:focus-visible {
  outline: 2px solid var(--federal-blue);
  outline-offset: -2px;
}
.mode-tab.active:focus-visible { outline-color: var(--color-white); }

/* Each mode stacks its panels with the same vertical rhythm as .main */
#mode-search,
#mode-batch {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

/* ── Batch panel ── */
.batch-panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  margin-bottom: 1.25rem;
  padding-bottom: 0.75rem;
  border-bottom: 2px solid var(--swiss-red);
}
.batch-panel-header .search-heading {
  margin: 0;
  padding: 0;
  border: none;
}

.batch-file-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: var(--text-sm);
  color: var(--gray-600);
  background: var(--gray-100);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-pill);
  padding: 0.25rem 0.5rem 0.25rem 0.75rem;
  white-space: nowrap;
}
.batch-file-clear {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 18px;
  height: 18px;
  border: none;
  border-radius: 50%;
  background: var(--gray-300);
  color: var(--gray-700);
  font-size: var(--text-base);
  line-height: 1;
  cursor: pointer;
}
.batch-file-clear:hover { background: var(--gray-400); color: var(--color-white); }

/* Dropzone (styled after landcover-survey/web) */
.drop-zone {
  border: 2px dashed var(--gray-300);
  border-radius: var(--radius-md);
  padding: 3rem 2rem;
  text-align: center;
  cursor: pointer;
  transition: border-color var(--transition-base), background var(--transition-base);
}
.drop-zone:hover,
.drop-zone.drag-over {
  border-color: var(--federal-blue);
  background: var(--federal-blue-hover);
}
.drop-zone:focus-visible {
  outline: 2px solid var(--federal-blue);
  outline-offset: 2px;
}
.drop-zone-icon {
  margin-bottom: 1rem;
  color: var(--gray-400);
  transition: color var(--transition-base);
}
.drop-zone:hover .drop-zone-icon,
.drop-zone.drag-over .drop-zone-icon { color: var(--federal-blue); }
.drop-zone h2 {
  font-size: var(--text-2xl);
  font-weight: 600;
  color: var(--gray-800);
  margin-bottom: 0.25rem;
}
.drop-zone p { color: var(--gray-500); font-size: var(--text-base); }
.drop-zone-hint { margin-top: 0.5rem; font-size: var(--text-xs); color: var(--gray-500); }

.demo-link {
  margin-top: 0.75rem;
  font-size: var(--text-base);
  color: var(--gray-500);
  text-align: center;
}
.demo-link + .demo-link { margin-top: 0.25rem; }
.demo-link a { color: var(--federal-blue); text-decoration: underline; cursor: pointer; }

.batch-error {
  margin-top: 0.75rem;
  padding: 0.625rem 0.875rem;
  border: 1px solid var(--color-danger-border);
  border-radius: var(--radius-sm);
}

/* Mapping */
.batch-info { font-size: var(--text-base); color: var(--gray-600); margin-bottom: 1rem; }
.batch-columns-label {
  /* typography shared via the eyebrow group above */
  margin-bottom: 0.25rem;
}
.batch-columns {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  color: var(--gray-700);
  margin-bottom: 1.25rem;
  word-break: break-word;
}
.batch-egrid-group { max-width: 280px; margin-bottom: 1.25rem; }
.batch-actions { display: flex; gap: 0.75rem; flex-wrap: wrap; }

/* Processing */
.progress-bar {
  height: 10px;
  background: var(--gray-200);
  border-radius: var(--radius-pill);
  overflow: hidden;
  margin-bottom: 0.5rem;
}
.progress-fill {
  height: 100%;
  width: 0;
  background: var(--federal-blue);
  border-radius: var(--radius-pill);
  transition: width var(--transition-base) ease;
}
.progress-count {
  font-size: var(--text-sm);
  color: var(--gray-500);
  font-variant-numeric: tabular-nums;
  margin-bottom: 1.25rem;
}

/* Download trigger in the results header (batch mode only) */
.results-download { margin-left: auto; align-self: center; }

/* ── Download modal (focus dialog) ── */
.modal-overlay {
  position: fixed;
  inset: 0;
  z-index: var(--z-modal);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  background: var(--color-overlay);
}
.modal {
  width: 100%;
  max-width: 380px;
  background: var(--color-white);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  overflow: hidden;
}
.modal-header {
  padding: 1rem 1.25rem;
}
.modal-title { font-size: var(--text-lg); font-weight: 600; color: var(--gray-800); }
.modal-body {
  padding: 1rem 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}
.download-option {
  display: flex;
  flex-direction: column;
  gap: 0.125rem;
  text-align: left;
  padding: 0.75rem 1rem;
  font-family: var(--font-family);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-sm);
  background: var(--color-white);
  cursor: pointer;
  transition: background var(--transition-base), border-color var(--transition-base);
}
.download-option:hover,
.download-option:focus-visible {
  background: var(--federal-blue-hover);
  border-color: var(--federal-blue);
  outline: none;
}
.download-option-title { font-size: var(--text-md); font-weight: 600; color: var(--federal-blue); }
.download-option-desc { font-size: var(--text-sm); color: var(--gray-500); }

@media (max-width: 640px) {
  .mode-tabs { width: 100%; }
  .mode-tab { flex: 1; }
  .drop-zone { padding: 2rem 1.25rem; }
  .drop-zone-icon svg { width: 44px; height: 44px; }
}

/* ── Reduced motion — honour the OS/browser preference ── */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}