/* Mobile chrome (≤768px) */
.mobile-tab-bar,
.mobile-sheet,
.mobile-sheet-backdrop {
  display: none;
}

:root {
  --mobile-tab-h: 58px;
  --mobile-keyboard-inset: 0px;
  --mobile-safe-bottom: env(safe-area-inset-bottom, 0px);
}

@media (max-width: 768px) {
  .desktop-chrome {
    display: none !important;
  }

  .topbar {
    position: sticky;
    top: 0;
    grid-template-columns: 1fr auto;
    min-height: 44px;
    padding: 8px 10px;
  }

  .topbar .brand {
    font-size: 14px;
    max-width: 100%;
    overflow: hidden;
    text-overflow: ellipsis;
  }

  .topbar .main-toolbar {
    display: none;
  }

  body.mobile-ui .topbar .main-toolbar {
    display: none;
  }

  .app {
    padding-bottom: calc(var(--mobile-tab-h) + var(--mobile-safe-bottom) + 8px + var(--mobile-keyboard-inset));
  }

  .shell {
    padding: 8px 10px 12px;
  }

  .workspace {
    display: flex;
    flex-direction: column;
    gap: 10px;
  }

  .menu-input,
  .preview-shell {
    min-height: 0;
  }

  .editor-wrap textarea {
    min-height: calc(100vh - 210px - var(--mobile-tab-h) - var(--mobile-safe-bottom) - var(--mobile-keyboard-inset));
    min-height: calc(100dvh - 210px - var(--mobile-tab-h) - var(--mobile-safe-bottom) - var(--mobile-keyboard-inset));
  }

  .suggest-box {
    z-index: 2700;
    max-height: min(40vh, 240px);
  }

  .mobile-tab-bar {
    display: flex;
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 2500;
    height: calc(var(--mobile-tab-h) + var(--mobile-safe-bottom));
    padding: 4px 4px var(--mobile-safe-bottom);
    gap: 2px;
    background: color-mix(in srgb, var(--surface) 94%, transparent);
    border-top: 1px solid var(--border);
    backdrop-filter: blur(12px);
    box-sizing: border-box;
  }

  .mobile-tab {
    flex: 1 1 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 2px;
    min-width: 0;
    min-height: 48px;
    margin: 0;
    border: 0;
    border-radius: 8px;
    background: transparent;
    color: var(--muted);
    font-size: 11px;
    line-height: 1.1;
    padding: 4px 2px;
  }

  .mobile-tab .ui-icon {
    width: 20px;
    height: 20px;
  }

  .mobile-tab .ui-icon svg {
    width: 20px;
    height: 20px;
  }

  .mobile-tab-label {
    max-width: 100%;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }

  .mobile-tab.active,
  .mobile-tab-print {
    color: var(--ink);
  }

  .mobile-tab-print {
    color: var(--accent-ink);
    background: var(--accent);
  }

  .mobile-sheet-backdrop {
    display: block;
    position: fixed;
    inset: 0;
    z-index: 2510;
    background: var(--modal-backdrop);
  }

  .mobile-sheet-backdrop[hidden] {
    display: none !important;
  }

  .mobile-sheet {
    display: flex;
    flex-direction: column;
    position: fixed;
    left: 0;
    right: 0;
    bottom: calc(var(--mobile-tab-h) + var(--mobile-safe-bottom));
    z-index: 2520;
    max-height: min(70vh, calc(100vh - var(--mobile-tab-h) - var(--mobile-safe-bottom) - 48px));
    background: var(--surface);
    border: 1px solid var(--border);
    border-bottom: 0;
    border-radius: 14px 14px 0 0;
    box-shadow: var(--shadow);
    overflow: hidden;
  }

  .mobile-sheet[hidden] {
    display: none !important;
  }

  .mobile-sheet-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    padding: 10px 12px;
    border-bottom: 1px solid var(--border);
  }

  .mobile-sheet-head h2 {
    margin: 0;
    font-size: 16px;
  }

  .mobile-sheet-body {
    padding: 12px;
    overflow: auto;
    display: grid;
    gap: 10px;
  }

  .mobile-slot .main-toolbar {
    display: flex !important;
    flex-direction: column;
    align-items: stretch;
    gap: 10px;
    width: 100%;
  }

  .mobile-slot .main-toolbar .segmented,
  .mobile-slot .main-toolbar .cover-select-wrap,
  .mobile-slot .main-toolbar .date-input,
  .mobile-slot .main-toolbar .cover-select,
  .mobile-slot .main-toolbar .toggle-button {
    width: 100%;
    max-width: 100%;
  }

  .mobile-slot .cover-select {
    max-width: none;
    height: 40px;
  }

  .mobile-settings-slot {
    display: grid;
    gap: 10px;
  }

  .mobile-settings-slot .inline {
    display: flex;
    align-items: center;
    gap: 8px;
  }

  .mobile-sheet-links {
    gap: 8px;
  }

  .mobile-sheet-link,
  .mobile-sheet-action {
    display: flex;
    align-items: center;
    gap: 10px;
    width: 100%;
    min-height: 44px;
    padding: 10px 12px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: var(--input-bg);
    color: var(--ink);
    text-decoration: none;
    box-sizing: border-box;
  }

  .mobile-logout-form {
    margin: 0;
  }

  .mobile-user-line {
    margin: 0;
  }

  .toast {
    bottom: calc(var(--mobile-tab-h) + var(--mobile-safe-bottom) + 12px);
  }

  .editor-actions {
    flex-wrap: wrap;
  }

  .archive-table,
  .editor-workspace table {
    min-width: 0;
  }

  .table-shell {
    overflow: auto;
  }

  table {
    min-width: 640px;
  }

  .covers-table {
    min-width: 0 !important;
  }
}

@media print {
  .topbar,
  .settings-bar,
  .toast,
  .mobile-tab-bar,
  .mobile-sheet,
  .mobile-sheet-backdrop {
    display: none !important;
  }

  body {
    background: #fff;
  }

  .shell {
    width: auto;
    margin: 0;
    padding: 0;
  }
}