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

  :root {
    --ink: #0f1e28;
    --paper: #e8f2f7;
    --paper2: #cce0eb;
    --accent: #1068a0;
    --accent2: #c45e15;
    --muted: #5a8090;
    --border: #8ab8cc;
    --card: #f0f8fc;
  }

  body {
    background: var(--paper);
    color: var(--ink);
    font-family: 'Karla', sans-serif;
    min-height: 100vh;
    background-image:
      radial-gradient(ellipse at 10% 0%, rgba(16,104,160,0.1) 0%, transparent 50%),
      radial-gradient(ellipse at 90% 100%, rgba(196,94,21,0.09) 0%, transparent 50%);
  }

  /* HEADER */
  header {
    border-bottom: 2px solid var(--ink);
    padding: 0 2rem;
    display: flex;
    align-items: stretch;
    gap: 0;
  }

  .header-left {
    padding: 1.5rem 2rem 1.5rem 0;
    border-right: 1px solid var(--border);
    flex-shrink: 0;
  }

  .wordmark {
    font-family: 'Playfair Display', serif;
    font-size: 2.2rem;
    font-weight: 600;
    letter-spacing: -0.5px;
    line-height: 1;
    color: var(--ink);
  }

  .tagline {
    font-family: 'IBM Plex Mono', monospace;
    font-size: 0.65rem;
    color: var(--muted);
    letter-spacing: 0.1em;
    text-transform: uppercase;
    margin-top: 0.3rem;
  }

  .header-right {
    padding: 1.5rem 0 1.5rem 2rem;
    display: flex;
    align-items: flex-end;
    gap: 2rem;
    flex: 1;
  }

  .stat-block {
    text-align: left;
  }

  .stat-number {
    font-family: 'Playfair Display', serif;
    font-size: 1.6rem;
    font-weight: 600;
    color: var(--accent);
    line-height: 1;
  }

  .stat-label {
    font-family: 'IBM Plex Mono', monospace;
    font-size: 0.6rem;
    color: var(--muted);
    text-transform: uppercase;
    letter-spacing: 0.08em;
  }

  /* SEARCH BAR */
  .search-section {
    padding: 1.5rem 2rem;
    border-bottom: 1px solid var(--border);
    display: flex;
    gap: 1rem;
    align-items: flex-end;
    flex-wrap: wrap;
    background: var(--paper2);
  }

  .field-group {
    display: flex;
    flex-direction: column;
    gap: 0.3rem;
  }

  .field-label {
    font-family: 'IBM Plex Mono', monospace;
    font-size: 0.62rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--muted);
  }

  input[type="text"], input[type="number"], select {
    background: var(--card);
    border: 1.5px solid var(--border);
    color: var(--ink);
    font-family: 'Karla', sans-serif;
    font-size: 0.9rem;
    padding: 0.55rem 0.85rem;
    outline: none;
    transition: border-color 0.2s;
    border-radius: 2px;
  }

  input[type="text"] { width: 260px; }
  input[type="number"] { width: 90px; }
  select { width: 220px; cursor: pointer; }

  input:focus, select:focus {
    border-color: var(--accent);
  }

  .search-btn {
    background: var(--ink);
    color: var(--paper);
    border: none;
    font-family: 'IBM Plex Mono', monospace;
    font-size: 0.75rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    padding: 0.6rem 1.6rem;
    cursor: pointer;
    transition: background 0.2s, transform 0.1s;
    border-radius: 2px;
    align-self: flex-end;
  }

  .search-btn:hover { background: var(--accent); }
  .search-btn:active { transform: scale(0.97); }

  .locate-btn {
    background: transparent;
    color: var(--accent);
    border: 1.5px solid var(--accent);
    font-family: 'IBM Plex Mono', monospace;
    font-size: 0.7rem;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    padding: 0.55rem 1rem;
    cursor: pointer;
    transition: all 0.2s;
    border-radius: 2px;
    align-self: flex-end;
  }

  .locate-btn:hover { background: var(--accent); color: white; }

  .share-btn {
    background: transparent;
    color: var(--muted);
    border: 1.5px solid var(--border);
    font-family: 'IBM Plex Mono', monospace;
    font-size: 0.7rem;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    padding: 0.55rem 1rem;
    cursor: pointer;
    transition: all 0.2s;
    border-radius: 2px;
    align-self: flex-end;
    white-space: nowrap;
  }
  .share-btn:hover { border-color: var(--accent); color: var(--accent); }
  .share-btn.copied { background: var(--accent); color: white; border-color: var(--accent); }

  /* MAIN LAYOUT */
  main {
    display: grid;
    grid-template-columns: 1fr 340px;
    min-height: calc(100vh - 180px);
  }

  /* SIGHTINGS LIST */
  .sightings-panel {
    border-right: 1px solid var(--border);
    padding: 0;
  }

  .panel-header {
    padding: 1rem 2rem;
    border-bottom: 1px solid var(--border);
    display: flex;
    justify-content: space-between;
    align-items: baseline;
  }

  .panel-title {
    font-family: 'Playfair Display', serif;
    font-size: 1.1rem;
    font-style: italic;
    color: var(--ink);
  }

  .result-count {
    font-family: 'IBM Plex Mono', monospace;
    font-size: 0.65rem;
    color: var(--muted);
    text-transform: uppercase;
    letter-spacing: 0.08em;
  }

  .sightings-list {
    padding: 0;
  }

  .sighting-card {
    padding: 1.1rem 2rem;
    border-bottom: 1px solid var(--border);
    display: grid;
    grid-template-columns: 72px 1fr auto;
    gap: 0.9rem;
    align-items: center;
    transition: background 0.15s;
    cursor: pointer;
    position: relative;
  }

  .bird-photo {
    width: 72px;
    height: 72px;
    object-fit: cover;
    border-radius: 3px;
    background: var(--paper2);
    display: block;
    border: 1px solid var(--border);
  }

  .bird-photo-placeholder {
    width: 72px;
    height: 72px;
    border-radius: 3px;
    background: var(--paper2);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.6rem;
    border: 1px solid var(--border);
  }

  .sighting-card::before {
    content: '';
    position: absolute;
    left: 0; top: 0; bottom: 0;
    width: 3px;
    background: transparent;
    transition: background 0.2s;
  }

  .sighting-card:hover { background: var(--paper2); }
  .sighting-card:hover::before { background: var(--accent); }
  .sighting-card.notable::before { background: var(--accent2); }
  .sighting-card.notable { background: #fdf5ee; }

  .bird-name {
    font-family: 'Playfair Display', serif;
    font-size: 1rem;
    font-weight: 600;
    color: var(--ink);
    line-height: 1.2;
  }

  .bird-sci {
    font-family: 'Playfair Display', serif;
    font-size: 0.78rem;
    font-style: italic;
    color: var(--muted);
    margin-top: 0.1rem;
  }

  .bird-location {
    font-size: 0.78rem;
    color: var(--muted);
    margin-top: 0.35rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 320px;
  }

  .bird-location::before { content: '📍 '; font-size: 0.7rem; }

  .bird-location-link {
    display: block;
    color: inherit;
    text-decoration: none;
    transition: color 0.15s;
  }

  .bird-location-link:hover {
    color: var(--accent);
    text-decoration: underline;
  }

  .checklist-link {
    display: inline-block;
    margin-top: 0.35rem;
    font-family: 'IBM Plex Mono', monospace;
    font-size: 0.62rem;
    color: var(--accent);
    text-decoration: none;
    letter-spacing: 0.04em;
    border-bottom: 1px solid transparent;
    transition: border-color 0.15s;
  }

  .checklist-link:hover { border-bottom-color: var(--accent); }

  .back-btn {
    background: transparent;
    border: 1.5px solid var(--border);
    color: var(--accent);
    font-family: 'IBM Plex Mono', monospace;
    font-size: 0.68rem;
    letter-spacing: 0.05em;
    padding: 0.3rem 0.7rem;
    cursor: pointer;
    border-radius: 2px;
    white-space: nowrap;
    flex-shrink: 0;
    transition: all 0.15s;
  }
  .back-btn:hover { background: var(--accent); color: white; border-color: var(--accent); }

  .drill-card {
    grid-template-columns: 72px 1fr auto !important;
  }
  .drill-card.no-photo {
    grid-template-columns: 1fr auto !important;
  }

  .sighting-card.clickable-species .bird-name {
    cursor: pointer;
    transition: color 0.15s;
  }
  .sighting-card.clickable-species .bird-name:hover {
    color: var(--accent);
    text-decoration: underline;
  }

  .drill-header {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    padding: 0.8rem 2rem;
    background: var(--paper2);
    border-bottom: 1px solid var(--border);
  }
  .drill-species-photo {
    width: 90px;
    height: 90px;
    border-radius: 4px;
    object-fit: cover;
    border: 2px solid var(--border);
    flex-shrink: 0;
  }
  .drill-species-name {
    font-family: 'Playfair Display', serif;
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--ink);
  }
  .drill-tax-row {
    display: flex;
    align-items: baseline;
    gap: 0.5rem;
    margin-top: 0.2rem;
  }
  .drill-tax-label {
    font-family: 'IBM Plex Mono', monospace;
    font-size: 0.6rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--muted);
    width: 44px;
    flex-shrink: 0;
  }
  .drill-tax-val {
    font-size: 0.78rem;
    color: var(--ink);
    font-style: italic;
  }

  .drill-species-sci {
    font-family: 'Playfair Display', serif;
    font-size: 0.78rem;
    font-style: italic;
    color: var(--muted);
  }

  .bird-meta {
    text-align: right;
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 0.2rem;
  }

  .bird-count {
    font-family: 'Playfair Display', serif;
    font-size: 1.4rem;
    font-weight: 600;
    color: var(--accent);
    line-height: 1;
  }

  .bird-count-label {
    font-family: 'IBM Plex Mono', monospace;
    font-size: 0.58rem;
    color: var(--muted);
    text-transform: uppercase;
    letter-spacing: 0.06em;
  }

  .bird-date {
    font-family: 'IBM Plex Mono', monospace;
    font-size: 0.65rem;
    color: var(--muted);
    margin-top: 0.2rem;
  }

  .notable-badge {
    font-family: 'IBM Plex Mono', monospace;
    font-size: 0.58rem;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--accent2);
    border: 1px solid var(--accent2);
    padding: 0.1rem 0.35rem;
    border-radius: 2px;
  }

  /* SIDEBAR */
  .sidebar {
    padding: 1.5rem;
    background: var(--card);
  }

  .sidebar-section {
    margin-bottom: 2rem;
  }

  .sidebar-title {
    font-family: 'IBM Plex Mono', monospace;
    font-size: 0.65rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--muted);
    border-bottom: 1px solid var(--border);
    padding-bottom: 0.5rem;
    margin-bottom: 1rem;
  }

  .species-chip {
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    background: var(--paper2);
    border: 1px solid var(--border);
    border-radius: 2px;
    padding: 0.25rem 0.6rem;
    font-size: 0.78rem;
    margin: 0.2rem 0.2rem 0 0;
    cursor: pointer;
    transition: all 0.15s;
  }

  .species-chip:hover { background: var(--accent); color: white; border-color: var(--accent); }
  .species-chip.active { background: var(--accent); color: white; border-color: var(--accent); }

  .bar-row {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.5rem;
  }

  .bar-label {
    font-size: 0.75rem;
    color: var(--ink);
    width: 130px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    flex-shrink: 0;
  }

  .bar-track {
    flex: 1;
    height: 6px;
    background: var(--border);
    border-radius: 1px;
    overflow: hidden;
  }

  .bar-fill {
    height: 100%;
    background: var(--accent);
    border-radius: 1px;
    transition: width 0.6s ease;
  }

  .bar-val {
    font-family: 'IBM Plex Mono', monospace;
    font-size: 0.62rem;
    color: var(--muted);
    width: 24px;
    text-align: right;
    flex-shrink: 0;
  }

  /* STATES */
  .empty-state {
    padding: 4rem 2rem;
    text-align: center;
  }

  .empty-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
    opacity: 0.4;
  }

  .empty-title {
    font-family: 'Playfair Display', serif;
    font-size: 1.3rem;
    font-style: italic;
    color: var(--muted);
    margin-bottom: 0.5rem;
  }

  .empty-sub {
    font-size: 0.85rem;
    color: var(--muted);
  }

  .loading-state {
    padding: 4rem 2rem;
    text-align: center;
  }

  .spinner {
    width: 28px;
    height: 28px;
    border: 2.5px solid var(--border);
    border-top-color: var(--accent);
    border-radius: 50%;
    animation: spin 0.7s linear infinite;
    margin: 0 auto 1rem;
  }

  @keyframes spin { to { transform: rotate(360deg); } }

  .loading-text {
    font-family: 'IBM Plex Mono', monospace;
    font-size: 0.72rem;
    color: var(--muted);
    text-transform: uppercase;
    letter-spacing: 0.1em;
  }

  .error-msg {
    padding: 2rem;
    background: #fff3ee;
    border: 1px solid var(--accent2);
    border-radius: 2px;
    margin: 1rem 2rem;
    font-size: 0.85rem;
    color: var(--accent2);
  }

  /* FILTER BAR */
  .filter-bar {
    padding: 0.6rem 2rem;
    background: var(--paper);
    border-bottom: 1px solid var(--border);
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
    align-items: center;
  }

  .filter-label {
    font-family: 'IBM Plex Mono', monospace;
    font-size: 0.62rem;
    color: var(--muted);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-right: 0.3rem;
  }

  .filter-chip {
    font-family: 'IBM Plex Mono', monospace;
    font-size: 0.65rem;
    padding: 0.2rem 0.6rem;
    border-radius: 20px;
    border: 1.5px solid var(--border);
    background: transparent;
    color: var(--muted);
    cursor: pointer;
    transition: all 0.15s;
    text-transform: uppercase;
    letter-spacing: 0.05em;
  }

  .filter-chip:hover, .filter-chip.active {
    background: var(--ink);
    color: var(--paper);
    border-color: var(--ink);
  }

  /* AUTOCOMPLETE */
  .autocomplete-wrap {
    position: relative;
    width: 260px;
  }
  .autocomplete-wrap input {
    width: 100%;
  }
  .autocomplete-dropdown {
    position: absolute;
    top: calc(100% + 2px);
    left: 0;
    right: 0;
    background: var(--card);
    border: 1.5px solid var(--accent);
    border-radius: 2px;
    z-index: 200;
    max-height: 220px;
    overflow-y: auto;
    box-shadow: 3px 3px 0 rgba(0,0,0,0.08);
    display: none;
  }
  .autocomplete-dropdown.open { display: block; }
  .autocomplete-item {
    padding: 0.55rem 0.85rem;
    font-size: 0.85rem;
    cursor: pointer;
    border-bottom: 1px solid var(--border);
    line-height: 1.3;
    transition: background 0.1s;
  }
  .autocomplete-item:last-child { border-bottom: none; }
  .autocomplete-item:hover, .autocomplete-item.highlighted { background: var(--paper2); }
  .autocomplete-item-main { color: var(--ink); }
  .autocomplete-item-sub {
    font-size: 0.72rem;
    color: var(--muted);
    margin-top: 0.1rem;
    font-family: 'IBM Plex Mono', monospace;
  }

  @media (max-width: 768px) {
    .autocomplete-wrap { width: 100%; }
  }

  /* MODE TOGGLE */
  .mode-toggle {
    display: flex;
    border: 1.5px solid var(--border);
    border-radius: 3px;
    overflow: hidden;
    align-self: flex-end;
    flex-shrink: 0;
  }
  .mode-btn {
    background: transparent;
    border: none;
    font-family: 'IBM Plex Mono', monospace;
    font-size: 0.68rem;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    padding: 0.55rem 1rem;
    cursor: pointer;
    color: var(--muted);
    transition: all 0.15s;
    white-space: nowrap;
  }
  .mode-btn.active {
    background: var(--ink);
    color: var(--paper);
  }
  .mode-btn:not(.active):hover { background: var(--paper2); color: var(--ink); }

  /* HOTSPOT VIEW TOGGLE */
  .hotspot-view-bar {
    display: flex;
    border-bottom: 1px solid var(--border);
    background: var(--paper);
  }
  .view-toggle-btn {
    background: transparent;
    border: none;
    border-bottom: 2px solid transparent;
    font-family: 'IBM Plex Mono', monospace;
    font-size: 0.68rem;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    padding: 0.6rem 1.2rem;
    cursor: pointer;
    color: var(--muted);
    transition: all 0.15s;
  }
  .view-toggle-btn.active {
    color: var(--accent);
    border-bottom-color: var(--accent);
  }
  .view-toggle-btn:not(.active):hover { color: var(--ink); }

  /* HOTSPOT CARDS */
  .hotspot-card {
    padding: 1.1rem 2rem;
    border-bottom: 1px solid var(--border);
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 0.8rem;
    align-items: center;
    transition: background 0.15s;
    position: relative;
  }
  .hotspot-card::before {
    content: '';
    position: absolute;
    left: 0; top: 0; bottom: 0;
    width: 3px;
    background: transparent;
    transition: background 0.2s;
  }
  .hotspot-card:hover { background: var(--paper2); }
  .hotspot-card:hover::before { background: var(--accent2); }

  .hotspot-name.clickable-name {
    cursor: pointer;
    transition: color 0.15s;
  }
  .hotspot-name.clickable-name:hover { color: var(--accent); text-decoration: underline; }

  .hotspot-name {
    font-family: 'Playfair Display', serif;
    font-size: 1rem;
    font-weight: 600;
    color: var(--ink);
    line-height: 1.2;
  }
  .hotspot-location {
    font-size: 0.78rem;
    color: var(--muted);
    margin-top: 0.3rem;
  }
  .hotspot-location::before { content: '📍 '; font-size: 0.7rem; }
  .hotspot-location-link {
    display: block;
    color: inherit;
    text-decoration: none;
    transition: color 0.15s;
  }
  .hotspot-location-link:hover { color: var(--accent); text-decoration: underline; }

  .hotspot-meta {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 0.3rem;
    text-align: right;
    flex-shrink: 0;
  }
  .hotspot-stat {
    font-family: 'IBM Plex Mono', monospace;
    font-size: 0.65rem;
    color: var(--muted);
    white-space: nowrap;
  }
  .hotspot-stat strong {
    font-family: 'Playfair Display', serif;
    font-size: 1rem;
    color: var(--accent);
    font-weight: 600;
  }
  .hotspot-link {
    font-family: 'IBM Plex Mono', monospace;
    font-size: 0.62rem;
    color: var(--accent);
    text-decoration: none;
    letter-spacing: 0.04em;
    border-bottom: 1px solid transparent;
    transition: border-color 0.15s;
    margin-top: 0.2rem;
    display: inline-block;
  }
  .hotspot-link:hover { border-bottom-color: var(--accent); }
  .hotspot-last-obs {
    font-family: 'IBM Plex Mono', monospace;
    font-size: 0.65rem;
    color: var(--muted);
    margin-top: 0.25rem;
  }

  @media (max-width: 768px) {
    .hotspot-card { padding: 0.9rem 1rem; }
  }

  /* LOCATION PROMPT */
  .location-prompt-overlay {
    position: fixed;
    inset: 0;
    background: rgba(26,26,20,0.45);
    z-index: 100;
    backdrop-filter: blur(2px);
  }

  .location-prompt-box {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 101;
    background: var(--card);
    border: 2px solid var(--ink);
    padding: 2.2rem 2.5rem;
    max-width: 380px;
    width: calc(100% - 2rem);
    text-align: center;
    box-shadow: 6px 6px 0 var(--ink);
    animation: promptIn 0.2s ease;
  }

  @keyframes promptIn {
    from { opacity: 0; transform: translate(-50%, -48%); }
    to   { opacity: 1; transform: translate(-50%, -50%); }
  }

  .location-prompt-icon {
    font-size: 2.2rem;
    margin-bottom: 0.8rem;
  }

  .location-prompt-title {
    font-family: 'Playfair Display', serif;
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--ink);
    margin-bottom: 0.7rem;
  }

  .location-prompt-body {
    font-size: 0.85rem;
    color: var(--muted);
    line-height: 1.6;
    margin-bottom: 1.5rem;
  }

  .location-prompt-actions {
    display: flex;
    gap: 0.8rem;
    justify-content: center;
  }

  .prompt-btn-yes {
    background: var(--ink);
    color: var(--paper);
    border: none;
    font-family: 'IBM Plex Mono', monospace;
    font-size: 0.72rem;
    letter-spacing: 0.07em;
    text-transform: uppercase;
    padding: 0.65rem 1.3rem;
    cursor: pointer;
    border-radius: 2px;
    transition: background 0.2s;
  }

  .prompt-btn-yes:hover { background: var(--accent); }

  .prompt-btn-no {
    background: transparent;
    color: var(--muted);
    border: 1.5px solid var(--border);
    font-family: 'IBM Plex Mono', monospace;
    font-size: 0.72rem;
    letter-spacing: 0.07em;
    text-transform: uppercase;
    padding: 0.65rem 1.3rem;
    cursor: pointer;
    border-radius: 2px;
    transition: all 0.2s;
  }

  .prompt-btn-no:hover { border-color: var(--ink); color: var(--ink); }

  footer {
    border-top: 1px solid var(--border);
    padding: 0.8rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
  }

  .footer-note {
    font-family: 'IBM Plex Mono', monospace;
    font-size: 0.6rem;
    color: var(--muted);
    text-transform: uppercase;
    letter-spacing: 0.08em;
  }

  @media (max-width: 768px) {
    main { grid-template-columns: 1fr; }
    .sidebar { display: none; }
    header { flex-direction: column; padding: 1rem; }
    .header-left { border-right: none; border-bottom: 1px solid var(--border); padding: 0 0 1rem; }
    .header-right { padding: 1rem 0 0; gap: 1rem; }
    .search-section { padding: 1rem; flex-direction: column; }
    .search-section .field-group { width: 100%; }
    input[type="text"], input[type="number"], select { width: 100%; }
    .locate-btn, .search-btn { width: 100%; text-align: center; }
    .sighting-card {
      padding: 0.75rem 1rem;
      grid-template-columns: 56px 1fr;
      grid-template-rows: auto auto;
    }
    .bird-meta {
      grid-column: 2;
      flex-direction: row;
      flex-wrap: wrap;
      align-items: center;
      justify-content: flex-start;
      gap: 0.4rem;
      margin-top: 0.3rem;
      text-align: left;
    }
    .bird-count { font-size: 1rem; }
    .bird-photo, .bird-photo-placeholder {
      width: 56px;
      height: 56px;
      grid-row: 1 / 3;
    }
    .bird-location { max-width: 100%; }
    .filter-bar { flex-wrap: wrap; }
  }

  /* SEEN TODAY */
  .sighting-card.seen-today {
    background: color-mix(in srgb, var(--accent) 6%, var(--card));
  }
  .sighting-card.seen-today::before { background: var(--accent); }

  /* SORT BAR */
  .sort-bar {
    padding: 0.5rem 2rem;
    background: var(--paper);
    border-bottom: 1px solid var(--border);
    display: flex;
    gap: 0.4rem;
    align-items: center;
    flex-wrap: wrap;
  }
  .sort-label {
    font-family: 'IBM Plex Mono', monospace;
    font-size: 0.62rem;
    color: var(--muted);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-right: 0.3rem;
  }
  .sort-btn {
    font-family: 'IBM Plex Mono', monospace;
    font-size: 0.65rem;
    padding: 0.2rem 0.6rem;
    border-radius: 20px;
    border: 1.5px solid var(--border);
    background: transparent;
    color: var(--muted);
    cursor: pointer;
    transition: all 0.15s;
    text-transform: uppercase;
    letter-spacing: 0.05em;
  }
  .sort-btn:hover, .sort-btn.active {
    background: var(--ink);
    color: var(--paper);
    border-color: var(--ink);
  }

  /* AUDIO BUTTON */
  .audio-btn {
    display: inline-block;
    margin-top: 0.35rem;
    font-family: 'IBM Plex Mono', monospace;
    font-size: 0.62rem;
    color: var(--accent2);
    background: transparent;
    border: none;
    padding: 0;
    cursor: pointer;
    letter-spacing: 0.04em;
    border-bottom: 1px solid transparent;
    transition: border-color 0.15s, color 0.15s;
  }
  .audio-btn:hover { border-bottom-color: var(--accent2); }
  .audio-btn.playing { color: var(--accent2); font-weight: 600; }

  /* FIELD ID LINKS */
  .drill-id-links {
    display: flex;
    gap: 1rem;
    margin-top: 0.4rem;
    flex-wrap: wrap;
  }

  /* CONTROLS PANEL (wraps sort + filter + mobile location) */
  .controls-toggle {
    display: none; /* desktop: hidden, handled by grid layout */
  }

  /* Sort and filter bars no longer need display:flex set by JS on desktop
     — they're always visible inside controls-inner */
  #controls-inner {
    display: block;
  }

  /* Remove top border duplication between sort and filter */
  #sort-bar + #filter-bar {
    border-top: none;
  }

  .location-filter-bar {
    padding: 0.5rem 2rem;
    background: var(--paper);
    border-bottom: 1px solid var(--border);
    display: flex;
    gap: 0.4rem;
    align-items: flex-start;
    flex-wrap: wrap;
  }
  .location-filter-bar .filter-label {
    padding-top: 0.15rem;
    flex-shrink: 0;
  }
  #mobile-location-chips {
    display: flex;
    flex-wrap: wrap;
    gap: 0.3rem;
  }

  @media (max-width: 768px) {
    /* Show the toggle button */
    .controls-toggle {
      display: flex;
      width: 100%;
      justify-content: space-between;
      align-items: center;
      padding: 0.65rem 1rem;
      background: var(--paper2);
      border: none;
      border-bottom: 1px solid var(--border);
      font-family: 'IBM Plex Mono', monospace;
      font-size: 0.7rem;
      text-transform: uppercase;
      letter-spacing: 0.07em;
      color: var(--ink);
      cursor: pointer;
    }
    .controls-toggle-arrow {
      font-size: 0.9rem;
      color: var(--muted);
    }

    /* Collapsed by default on mobile */
    #controls-inner {
      display: none;
    }

    .sort-bar, .filter-bar, .location-filter-bar {
      padding: 0.5rem 1rem;
    }
  }