/* Operations Command Center — mobile UI v2
   Presentation-only overrides. Keep business logic and desktop behavior intact. */

:root {
  --occ-mobile-navy: #17324d;
  --occ-mobile-blue: #1f6fb2;
  --occ-mobile-bg: #f4f7f9;
  --occ-mobile-line: #dce4e9;
  --occ-mobile-text: #182b3a;
  --occ-mobile-muted: #667985;
  --occ-mobile-good: #21835a;
  --occ-mobile-warn: #b7791f;
  --occ-mobile-danger: #b63a3a;
  --occ-mobile-radius: 12px;
  --occ-mobile-shadow: 0 1px 3px rgba(23, 50, 77, .08);
}

@media (max-width: 760px) {
  html { background: var(--occ-mobile-bg); }
  body { background: var(--occ-mobile-bg); }
  .app { min-height: 100dvh; padding-bottom: calc(64px + env(safe-area-inset-bottom)); }
  .app main { padding-bottom: 12px; }

  /* Compact application header. Primary navigation becomes a persistent bottom bar. */
  .topbar {
    min-height: 50px;
    height: 50px;
    padding: 0 12px;
    gap: 8px;
    position: sticky;
    top: 0;
    z-index: 50;
    box-shadow: 0 1px 0 rgba(255,255,255,.12), 0 2px 8px rgba(8,28,46,.14);
  }
  .topbar h1 { margin: 0; font-size: 16px; line-height: 1; }
  .topbar-title-mobile { font-size: 15px; letter-spacing: -.01em; }
  .mobile-menu-button,
  .mobile-global-nav,
  .mobile-issues-shortcut { display: none !important; }
  .mobile-review-queue-wrap { margin-left: auto; }
  .header-review-shortcut { min-width: 38px; min-height: 38px; border-radius: 9px; }

  .topbar > nav {
    position: fixed !important;
    left: 0;
    right: 0;
    bottom: 0;
    top: auto !important;
    z-index: 100;
    display: grid !important;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    align-items: stretch;
    height: calc(58px + env(safe-area-inset-bottom));
    padding: 0 6px env(safe-area-inset-bottom);
    background: rgba(255,255,255,.98);
    border-top: 1px solid var(--occ-mobile-line);
    box-shadow: 0 -5px 18px rgba(23,50,77,.08);
    overflow: visible;
  }
  .topbar > nav > a,
  .topbar > nav > .nav-more {
    display: flex !important;
    align-items: center;
    justify-content: center;
    min-width: 0;
    margin: 0 !important;
    padding: 0 !important;
    border: 0 !important;
    background: transparent !important;
    color: #667985 !important;
    text-decoration: none;
    font-size: 11px;
    font-weight: 700;
  }
  .topbar > nav > a > span,
  .topbar > nav > .nav-more > summary {
    width: 100%;
    min-height: 54px;
    padding: 7px 3px 4px !important;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 2px;
    border-radius: 10px;
  }
  .topbar > nav > a:nth-of-type(1) > span::before { content: '⌂'; font-size: 20px; line-height: 19px; font-weight: 500; }
  .topbar > nav > a:nth-of-type(2) > span::before { content: '✓'; font-size: 19px; line-height: 19px; font-weight: 700; }
  .topbar > nav > a:nth-of-type(3) > span::before { content: '◆'; font-size: 16px; line-height: 19px; font-weight: 500; }
  .topbar > nav > a.active { color: var(--occ-mobile-blue) !important; }
  .topbar > nav > a.active > span { background: #eef6fc; }
  .nav-attention-badge { position: absolute; transform: translate(14px,-15px); min-width: 17px; height: 17px; padding: 0 4px; font-size: 10px; line-height: 17px; }

  .nav-more { position: static; }
  .nav-more > summary { list-style: none; cursor: pointer; color: inherit; }
  .nav-more > summary::-webkit-details-marker { display: none; }
  .nav-more > summary::before { content: '•••'; font-size: 18px; line-height: 18px; letter-spacing: 1px; }
  .nav-more > summary > span { display: none; }
  .nav-more > div {
    position: absolute !important;
    right: 8px;
    bottom: calc(58px + env(safe-area-inset-bottom));
    width: min(250px, calc(100vw - 16px));
    max-height: min(70vh, 470px);
    overflow-y: auto;
    padding: 8px !important;
    border: 1px solid var(--occ-mobile-line) !important;
    border-radius: 14px !important;
    background: white !important;
    box-shadow: 0 14px 40px rgba(23,50,77,.2) !important;
  }
  .nav-more > div a { display: block !important; padding: 12px 13px !important; border-radius: 9px; color: var(--occ-mobile-text) !important; font-size: 14px; font-weight: 650; }
  .nav-more > div a.active { background: #eef6fc !important; color: var(--occ-mobile-blue) !important; }

  /* Page language: less ceremony, more content above the fold. */
  .full-bleed { padding-top: 0 !important; }
  .page-header-row,
  .page-heading-row { margin: 0 0 10px !important; padding: 10px 12px 0 !important; }
  .page-header-row h2,
  .page-heading-row h2 { font-size: 22px !important; line-height: 1.15; margin: 0 !important; letter-spacing: -.02em; }
  .page-header-row p,
  .page-heading-row p { margin: 3px 0 0 !important; font-size: 12px !important; line-height: 1.35; color: var(--occ-mobile-muted); }

  /* Home greeting becomes a compact utility strip instead of a hero card. */
  .welcome-time {
    margin: 8px 10px 6px !important;
    min-height: auto !important;
    padding: 9px 11px !important;
    border-radius: 11px !important;
    display: flex !important;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    box-shadow: var(--occ-mobile-shadow) !important;
  }
  .welcome-time > div:first-child { display: flex; align-items: baseline; gap: 5px; min-width: 0; }
  .welcome-time > div:first-child > span { font-size: 11px !important; white-space: nowrap; }
  .welcome-time h2 { margin: 0 !important; font-size: 15px !important; line-height: 1.2; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
  .welcome-time > div:last-child { text-align: right; flex: 0 0 auto; }
  .welcome-time > div:last-child strong { font-size: 13px !important; }
  .welcome-time > div:last-child span { font-size: 10px !important; }

  /* Filters collapse visually into a tight control surface. */
  .filter-bar { margin: 6px 10px 8px !important; padding: 8px !important; border-radius: 11px !important; box-shadow: none !important; }
  .filter-bar summary { min-height: 34px !important; font-size: 12px !important; }
  .filter-bar label { font-size: 11px !important; gap: 3px !important; }
  .filter-bar input,
  .filter-bar select { min-height: 38px !important; padding: 7px 9px !important; font-size: 14px !important; }

  /* Site overview: cards become compact horizontal operational rows. */
  .diagnostics-grid.diagnostics-grid-2col { display: block !important; margin: 0 10px !important; }
  .site-card {
    margin: 0 0 7px !important;
    border-radius: var(--occ-mobile-radius) !important;
    border: 1px solid var(--occ-mobile-line) !important;
    box-shadow: var(--occ-mobile-shadow) !important;
    overflow: hidden;
    background: white;
  }
  .site-card-main {
    display: grid !important;
    grid-template-columns: 76px minmax(0,1fr) !important;
    min-height: 76px;
    align-items: stretch;
  }
  .site-card-main > img,
  .site-card-main > .thumbnail,
  .site-card-main > .thumb-placeholder {
    width: 76px !important;
    height: 76px !important;
    min-width: 76px !important;
    object-fit: cover !important;
    border-radius: 0 !important;
  }
  .site-card-footer { padding: 9px 10px !important; min-width: 0; display: flex; flex-direction: column; justify-content: center; gap: 2px; }
  .site-card-title { font-size: 15px !important; font-weight: 750; }
  .site-card-title-row { gap: 5px !important; }
  .site-card-photo-time,
  .site-card-coords { font-size: 10.5px !important; line-height: 1.25; }
  .site-card-status-grid { grid-template-columns: 1fr 1fr !important; border-top: 1px solid #edf1f3; }
  .site-card-weather,
  .site-card-presence { min-height: 42px !important; padding: 6px 9px !important; gap: 6px !important; }
  .site-card-status-icon { font-size: 15px !important; }
  .site-card-weather strong,
  .site-card-presence strong { font-size: 11px !important; }
  .site-card-weather span,
  .site-card-presence span,
  .site-card-weather small,
  .site-card-presence small { font-size: 9px !important; line-height: 1.25; }
  .site-card-presence div > span { display: none !important; }
  .site-card-roster-button { font-size: 9px !important; padding: 0 !important; }

  /* Admin site list: turn the desktop table/card hybrid into a scan-first row. */
  table.setup-site-list,
  .setup-site-list tbody { display: block !important; width: 100%; }
  .setup-site-list thead { display: none !important; }
  .setup-site-list { margin: 0 !important; border: 0 !important; background: transparent !important; }
  .setup-site-list tbody { padding: 0 0 4px; }
  .setup-site-list tr:not(.setup-site-empty) {
    position: relative;
    display: grid !important;
    grid-template-columns: minmax(0,1fr) auto;
    gap: 2px 10px;
    margin: 0 0 6px !important;
    padding: 9px 10px !important;
    border: 1px solid var(--occ-mobile-line) !important;
    border-radius: 11px !important;
    background: white !important;
    box-shadow: var(--occ-mobile-shadow);
  }
  .setup-site-list tr:not(.setup-site-empty) td { display: block !important; padding: 0 !important; border: 0 !important; min-width: 0; }
  .setup-site-list td::before { display: none !important; content: none !important; }
  .setup-site-list td[data-label="Site"] { grid-column: 1; grid-row: 1; }
  .setup-site-list .table-name-button { padding: 0 !important; border: 0 !important; background: none !important; color: var(--occ-mobile-text) !important; font-size: 14px !important; font-weight: 750 !important; text-align: left; }
  .setup-site-list td[data-label="Unit / Index"] { grid-column: 1; grid-row: 2; font-size: 11px; color: var(--occ-mobile-muted); }
  .setup-site-list td[data-label="Unit / Index"]::after { content: ' · unit'; opacity: .7; }
  .setup-site-list td[data-label="Spoke"] { grid-column: 1; grid-row: 3; font-size: 11px; color: var(--occ-mobile-muted); }
  .setup-site-list td[data-label="Camera site"] { grid-column: 2; grid-row: 1 / span 2; align-self: center; }
  .setup-site-list .site-type-badge { font-size: 9px !important; padding: 3px 6px !important; white-space: nowrap; }
  .setup-site-list td[data-label="Latitude"],
  .setup-site-list td[data-label="Longitude"] { display: none !important; }
  .setup-site-list td[data-label="Actions"] { grid-column: 2; grid-row: 3; justify-self: end; }
  .setup-site-list .mobile-card-actions { display: flex !important; gap: 4px !important; }
  .setup-site-list .mobile-card-actions button { min-height: 28px !important; padding: 4px 8px !important; font-size: 10px !important; }

  .settings-resource-heading { gap: 8px !important; align-items: center !important; margin-bottom: 8px !important; }
  .settings-resource-heading h3 { font-size: 20px !important; margin: 0 !important; }
  .settings-resource-heading p { font-size: 11px !important; line-height: 1.3; margin: 2px 0 0 !important; }
  .settings-resource-heading .primary-action { flex: 0 0 auto; min-height: 36px !important; padding: 7px 10px !important; font-size: 12px !important; }

  /* Editing: tighter mobile sheets/forms, sticky action row. */
  .settings-modal { padding: 0 !important; align-items: flex-end !important; }
  .settings-modal-card,
  .settings-modal-content {
    width: 100% !important;
    max-width: none !important;
    max-height: 92dvh !important;
    border-radius: 18px 18px 0 0 !important;
  }
  .settings-modal h2,
  .settings-modal h3 { letter-spacing: -.02em; }
  .settings-modal .form { gap: 9px !important; }
  .settings-modal .form > label { font-size: 11px !important; gap: 3px !important; }
  .settings-modal input,
  .settings-modal select,
  .settings-modal textarea { min-height: 40px !important; font-size: 14px !important; padding: 8px 10px !important; }
  .settings-modal .muted { font-size: 11px !important; line-height: 1.35 !important; }
  .site-modal-camera-section { margin-top: 8px !important; padding-top: 10px !important; }
  .site-modal-camera-list article { padding: 8px !important; gap: 7px !important; }
  .site-modal-camera-list article strong { font-size: 12px !important; }
  .site-modal-camera-list article span,
  .site-modal-camera-list article small { font-size: 10px !important; }
  .modal-actions {
    position: sticky;
    bottom: 0;
    z-index: 5;
    margin: 8px -12px -12px !important;
    padding: 9px 12px calc(9px + env(safe-area-inset-bottom)) !important;
    background: rgba(255,255,255,.97);
    border-top: 1px solid var(--occ-mobile-line);
    box-shadow: 0 -5px 16px rgba(23,50,77,.06);
  }
  .modal-actions button { min-height: 40px !important; }

  /* System Health: summary categories read like navigation rather than giant cards. */
  .diagnostics-category-stack { margin: 0 10px !important; gap: 7px !important; }
  .diagnostics-category { border-radius: 11px !important; box-shadow: var(--occ-mobile-shadow) !important; }
  .diagnostics-category > summary { min-height: 54px !important; padding: 9px 11px !important; }
  .diagnostics-category > summary strong { font-size: 13px !important; }
  .diagnostics-category > summary span { font-size: 10px !important; line-height: 1.25; }
  .diagnostics-category > summary b { font-size: 10px !important; }
  .diagnostics-category-body { padding: 8px !important; }

  /* Motion: reduce setup chrome so events arrive sooner. */
  .motion-page .motion-ai-overrides { margin: 6px 10px !important; padding: 8px 10px !important; border-radius: 10px !important; }
  .motion-page .motion-ai-overrides > div:first-child span { font-size: 10px !important; }
  .motion-page .motion-grid { margin: 0 10px !important; gap: 7px !important; }
  .motion-card { border-radius: 11px !important; box-shadow: var(--occ-mobile-shadow) !important; }
}