/**
 * Mobile & Responsive Layout Styles (layout-mobile.css)
 * -------------------------------------------------------------
 * Hanterar skärmanpassning, touch-ergonomi, iOS Safari-quirks,
 * safe-area insets och kompakta layouter för mobiler och surfplattor.
 */

/* =========================================================
 * 1. GLOBALA MOBIL- & TOUCH-OPTIMERINGAR
 * ========================================================= */

/* Stöd för safe-area insets (t.ex. iPhone notch och hemskärmsstreck) */
:root {
  --safe-area-top: env(safe-area-inset-top, 0px);
  --safe-area-bottom: env(safe-area-inset-bottom, 0px);
  --safe-area-left: env(safe-area-inset-left, 0px);
  --safe-area-right: env(safe-area-inset-right, 0px);
}

/* Förhindra 300ms klickfördröjning och oavsiktlig dubbelklickszoom på knappar */
button,
.btn-primary,
.btn-secondary,
.logo-link,
.item-title-button {
  touch-action: manipulation;
}

/* =========================================================
 * 2. TABLET & MOBIL (max-width: 768px)
 * ========================================================= */

/* Förhindra iOS Safari från att auto-zooma vid fokus på inputfält (kräver minst 16px) */
@media (max-width: 768px) {
  input,
  textarea {
    font-size: 16px !important;
  }

  /* Kompakt, responsiv header */
  #headerrow {
    padding: 3px 6px;
    padding-top: max(3px, var(--safe-area-top));
    gap: 4px 6px;
    min-height: 42px;
  }

  #headerrow .logo {
    width: 84px;
    max-width: 84px;
    height: auto;
  }

  .header-mode-title {
    font-size: 0.85rem;
    min-width: 0;
    max-width: 140px;
  }

  /* Dölj onödiga element i inloggningsläge för att maximera utrymme */
  #headerrow[data-mode="auth"] .mode-actions,
  #headerrow[data-mode="auth"] #header-logout-btn,
  #headerrow[data-mode="auth"] #global-status {
    display: none !important;
  }

  /* I visnings- och redigeringsläge på mobil fixeras #headerrow permanent i toppen som en kompakt menyrad */
  #headerrow[data-mode="view"],
  #headerrow[data-mode="edit"] {
    position: fixed !important;
    top: 0 !important;
    left: 0 !important;
    right: 0 !important;
    width: 100% !important;
    z-index: var(--z-header, 3000) !important;
    flex-wrap: nowrap !important;
    min-height: 44px;
    height: 44px;
    max-height: 44px;
    overflow: hidden;
    gap: 6px;
    padding: 2px 8px;
    padding-top: max(2px, var(--safe-area-top));
    box-sizing: border-box;
    background: var(--color-bg-header, rgba(15, 23, 42, 0.98));
    border-bottom: 1px solid var(--color-border-header, rgba(148, 163, 184, 0.35));
  }

  #headerrow[data-mode="edit"] h1,
  #headerrow[data-mode="edit"] .logo-link,
  #headerrow[data-mode="edit"] .logo,
  #headerrow[data-mode="edit"] #header-logout-btn,
  #headerrow[data-mode="edit"] #global-status,
  #headerrow[data-mode="edit"] #open-new-window-btn,
  #headerrow[data-mode="edit"] #edit-draw-btn,
  #headerrow[data-mode="view"] h1,
  #headerrow[data-mode="view"] .logo-link,
  #headerrow[data-mode="view"] .logo,
  #headerrow[data-mode="view"] #header-logout-btn,
  #headerrow[data-mode="view"] #global-status,
  #headerrow[data-mode="view"] #view-open-new-window-btn {
    display: none !important;
  }

  #headerrow[data-mode="edit"] .header-mode-title,
  #headerrow[data-mode="view"] .header-mode-title {
    display: block !important;
    flex: 1 1 auto;
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    font-size: 13px;
    font-weight: 600;
    color: var(--color-text-main);
    margin: 0;
    padding-left: 2px;
  }

  #headerrow[data-mode="edit"] .header-actions,
  #headerrow[data-mode="view"] .header-actions {
    flex: 0 0 auto;
    margin-left: auto;
    display: flex;
    align-items: center;
  }

  #headerrow[data-mode="edit"] .mode-actions,
  #headerrow[data-mode="view"] .mode-actions {
    flex-wrap: nowrap !important;
    gap: 4px;
    display: flex;
    align-items: center;
  }

  #headerrow[data-mode="edit"] #save-snippet-btn {
    display: inline-flex !important;
    font-size: 12px;
    font-weight: 700;
    padding: 5px 12px;
    background: var(--color-primary-active) !important;
    color: var(--color-text-white) !important;
    border: 1px solid var(--color-primary) !important;
    border-radius: var(--radius-sm);
    touch-action: manipulation;
  }

  #headerrow[data-mode="edit"] #save-and-close-snippet-btn {
    display: inline-flex !important;
    font-size: 12px;
    font-weight: 600;
    padding: 5px 10px;
    border-radius: var(--radius-sm);
    touch-action: manipulation;
  }

  #headerrow[data-mode="edit"] #view-mode-btn {
    display: inline-flex !important;
    font-size: 12px;
    padding: 5px 8px;
    border-radius: var(--radius-sm);
    touch-action: manipulation;
  }

  #headerrow .logout-button {
    padding: 5px 7px;
    font-size: 11px;
    gap: 0;
  }

  #headerrow .logout-button span {
    display: none;
  }

  #global-status {
    padding: 2px 6px;
    font-size: 0.72rem;
    line-height: 1.3;
    border-radius: 5px;
  }

  .header-actions {
    gap: 4px;
  }

  .mode-actions {
    gap: 3px;
    flex-wrap: wrap;
  }

  .mode-actions button,
  .item-modal-close,
  .header-actions button {
    padding: 4px 7px;
    font-size: 12px;
    line-height: 1.25;
    border-radius: 5px;
  }

  /* Modaler och editor-vy på mobil */
  body.modal-open {
    overflow: hidden !important;
  }

  .item-modal.modal,
  .editor-modal.modal {
    position: fixed !important;
    inset: 0 !important;
    top: 0 !important;
    left: 0 !important;
    right: 0 !important;
    bottom: 0 !important;
    width: 100% !important;
    height: 100% !important;
    padding: calc(var(--header-height, 52px) + 4px) 6px 6px;
    padding-bottom: max(6px, var(--safe-area-bottom));
    box-sizing: border-box;
    align-items: stretch !important;
    justify-content: flex-start !important;
    z-index: var(--z-modal-base, 2000) !important;
  }

  /* Dölj redundanta interna toolbar i kortet eftersom #headerrow är fast i toppen */
  .editor-sticky-toolbar {
    display: none !important;
  }

  .editor-toolbar-title {
    flex: 1 1 auto;
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    font-size: var(--font-size-sm, 13px);
    font-weight: var(--font-weight-semibold, 600);
    color: var(--color-text-main, #f8fafc);
    padding-left: 2px;
  }

  .editor-toolbar-actions {
    flex: 0 0 auto;
    display: flex;
    align-items: center;
    gap: 5px;
  }

  .editor-toolbar-actions button {
    margin: 0;
    touch-action: manipulation;
  }

  .editor-toolbar-actions .btn-save {
    font-size: 12px;
    font-weight: 700;
    padding: 5px 12px;
    background: var(--color-primary-active) !important;
    color: var(--color-text-white) !important;
    border: 1px solid var(--color-primary) !important;
    border-radius: var(--radius-sm);
  }

  .editor-toolbar-actions .btn-save:disabled {
    opacity: 0.65;
    background: var(--color-primary-dark) !important;
    border-color: var(--color-border-default) !important;
  }

  .editor-toolbar-actions .btn-save-close {
    font-size: 12px;
    font-weight: 600;
    padding: 5px 10px;
    border-radius: var(--radius-sm);
  }

  .editor-toolbar-actions .btn-view-mode {
    font-size: 12px;
    padding: 5px 8px;
    border-radius: var(--radius-sm);
  }

  .editor-modal-card,
  .item-modal-card {
    -webkit-overflow-scrolling: touch;
    overscroll-behavior: contain;
  }

  .editor-modal-card {
    padding-bottom: 20px;
  }

  .item-modal-body {
    padding: 4px 6px 40px;
  }

  .editor-modal-body {
    padding: 4px 8px 24px;
  }

  .editor-field-label {
    margin: 3px 0 2px;
    font-size: 11px;
    font-weight: 600;
  }

  .editor-modal-body input {
    margin: 0 0 6px;
    padding: 6px 8px;
    font-size: 16px !important;
    border-radius: 6px;
    height: 36px;
  }

  .editor-modal-body textarea {
    min-height: 80px;
    height: 100px;
    max-height: 22vh;
    margin: 0 0 6px;
    padding: 6px 8px;
    font-size: 16px !important;
    border-radius: 6px;
    resize: vertical;
  }

  .editor-modal-body .upload-area,
  .upload-area {
    padding: 8px 10px;
    margin-top: 4px;
    border-radius: 6px;
  }

  .upload-area h3 {
    font-size: 12px;
    margin: 0 0 2px;
  }

  .upload-area p {
    font-size: 11px;
    margin: 0 0 4px;
    line-height: 1.3;
  }

  #upload-button,
  #new-drawing-button {
    padding: 4px 8px;
    font-size: 12px;
    margin-top: 2px;
  }

  .item-modal-content {
    min-height: 120px;
    margin: 8px 0 0;
    padding: 10px;
    border-radius: 6px;
  }

  /* Kompakta kort och avstånd */
  .card {
    padding: 6px 8px;
    margin-bottom: 6px;
  }

  .card.status-card {
    padding: 4px 8px;
  }

  .card.status-card h2 {
    font-size: 1.1rem;
  }

  #storage-usage {
    font-size: 0.8rem;
  }

  .container > p.muted {
    margin: 2px 0 6px;
    font-size: 0.8rem;
    line-height: 1.35;
  }

  /* Dölj popup/nytt-fönster-knappar då det inte stöds på små mobilskärmar */
  .btn-open-window,
  #open-new-window-btn,
  #view-open-new-window-btn {
    display: none !important;
  }

  /* Workspace-layout & navigering till View-läget på mobil */
  .workspace-layout {
    flex-direction: column;
    min-height: auto;
  }

  .workspace-sidebar {
    width: 100%;
    scroll-margin-top: calc(var(--header-height, 52px) + 8px);
  }

  .workspace-sidebar.collapsed {
    display: none;
  }

  .workspace-main {
    padding: var(--spacing-md, 8px);
    scroll-margin-top: calc(var(--header-height, 52px) + 8px);
  }

  .workspace-doc-viewer {
    scroll-margin-top: calc(var(--header-height, 52px) + 8px);
    outline: none;
  }

  .workspace-back-to-nav-btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: 12px;
    padding: 4px 8px;
    touch-action: manipulation;
  }
}

/* =========================================================
 * 3. MELLANSTORLEK / MODAL BRYTPUNKT (max-width: 640px)
 * ========================================================= */
@media (max-width: 640px) {
  .spaces-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-sm);
  }

  .space-card {
    padding: var(--spacing-xs) var(--spacing-md);
    gap: var(--spacing-xxs);
  }

  .space-card-create {
    min-height: 40px;
  }

  .versions-modal-container {
    grid-template-columns: 1fr !important;
    max-height: 70vh !important;
    overflow-y: auto !important;
  }
}

/* =========================================================
 * 4. EXTRA SMÅ MOBILSKÄRMAR (max-width: 480px)
 * ========================================================= */
@media (max-width: 480px) {
  #headerrow .logo {
    width: 74px;
    max-width: 74px;
  }

  .mode-actions button,
  .header-actions button {
    padding: 4px 6px;
    font-size: 11.5px;
  }
}

/* Chat Widget Mobile Ergonomics */
@media (max-width: 768px) {
  .chat-window-modal {
    width: calc(100vw - 24px);
    max-width: 100vw;
    right: 12px;
    bottom: 12px;
    height: 70vh;
    max-height: 520px;
  }

  .chat-minimized-pill {
    right: 12px;
    bottom: 12px;
  }

  .chat-input {
    font-size: 16px; /* Avoid iOS Safari auto-zoom */
  }
}