/* TSU-ORGDOCX — Mobile & tablet layouts only (desktop web view unchanged).
   Breakpoints:
     • Desktop  ≥1025px — no overrides here
     • Tablet   768–1024px
     • Mobile   ≤767px
*/

/* ─── Desktop: hide mobile-only controls ─────────────────────────────── */

.mobile-menu-btn,
.mobile-nav-backdrop {
  display: none;
}

.topbar-actions {
  display: contents;
}

/* ─── Tablet + mobile: drawer navigation ─────────────────────────────── */

@media (max-width: 1024px) {
  .mobile-menu-btn {
    display: grid;
    place-items: center;
    width: 38px;
    height: 38px;
    padding: 0;
    border-radius: 10px;
    border: 1px solid var(--line);
    background: transparent;
    color: var(--ink);
    flex-shrink: 0;
    cursor: pointer;
    transition: border-color 0.15s ease, background 0.15s ease;
  }

  .mobile-menu-btn:hover,
  .mobile-menu-btn.is-open {
    border-color: rgba(45, 212, 191, 0.35);
    background: var(--teal-soft);
  }

  .mobile-menu-btn:focus-visible {
    outline: 2px solid var(--teal);
    outline-offset: 2px;
  }

  .mobile-menu-icon {
    position: relative;
    width: 18px;
    height: 14px;
    display: block;
  }

  .mobile-menu-icon span {
    position: absolute;
    left: 0;
    right: 0;
    height: 2px;
    border-radius: 999px;
    background: currentColor;
    transition: transform 0.22s ease, opacity 0.18s ease, top 0.22s ease;
  }

  .mobile-menu-icon span:nth-child(1) { top: 0; }
  .mobile-menu-icon span:nth-child(2) { top: 6px; }
  .mobile-menu-icon span:nth-child(3) { top: 12px; }

  .mobile-menu-btn.is-open .mobile-menu-icon span:nth-child(1) {
    top: 6px;
    transform: rotate(45deg);
  }

  .mobile-menu-btn.is-open .mobile-menu-icon span:nth-child(2) {
    opacity: 0;
  }

  .mobile-menu-btn.is-open .mobile-menu-icon span:nth-child(3) {
    top: 6px;
    transform: rotate(-45deg);
  }

  .mobile-nav-backdrop {
    display: block;
    position: fixed;
    inset: 0;
    z-index: 90;
    border: 0;
    padding: 0;
    margin: 0;
    background: rgba(2, 6, 14, 0.62);
    backdrop-filter: blur(2px);
    cursor: pointer;
  }

  .portal {
    grid-template-columns: 1fr;
  }

  .portal.mobile-nav-open {
    overflow: hidden;
  }

  .sidebar {
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    z-index: 100;
    width: min(288px, 88vw);
    height: 100vh;
    height: 100dvh;
    transform: translateX(-105%);
    transition: transform 0.28s ease;
    box-shadow: 12px 0 40px rgba(0, 0, 0, 0.35);
  }

  .portal.mobile-nav-open .sidebar {
    transform: translateX(0);
  }

  .sidebar-toggle {
    display: none;
  }

  /* Drawer always shows full labels (ignore desktop collapsed state). */
  .portal.sidebar-collapsed {
    --sidebar-w: 250px;
  }

  .portal.sidebar-collapsed .sidebar-brand {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }

  .portal.sidebar-collapsed .sidebar-brand-main {
    justify-content: flex-start;
  }

  .portal.sidebar-collapsed .sidebar-brand .brand-logo {
    width: 44px;
    height: 44px;
  }

  .portal.sidebar-collapsed .sidebar-brand .brand-text,
  .portal.sidebar-collapsed .sidebar-profile-name,
  .portal.sidebar-collapsed .sidebar-profile-meta,
  .portal.sidebar-collapsed .sidebar-role-badge,
  .portal.sidebar-collapsed .nav-label {
    opacity: 1;
    max-width: none;
    width: auto;
    margin: 0;
    overflow: visible;
    pointer-events: auto;
  }

  .portal.sidebar-collapsed .sidebar-profile {
    align-items: center;
    text-align: center;
  }

  .portal.sidebar-collapsed .sidebar-avatar {
    width: 64px;
    height: 64px;
    font-size: 1.1rem;
  }

  .portal.sidebar-collapsed .nav-item,
  .portal.sidebar-collapsed .nav-signout {
    justify-content: flex-start;
    padding-left: 0.85rem;
    padding-right: 0.85rem;
  }

  .topbar {
    display: grid;
    grid-template-columns: auto 1fr auto;
    align-items: center;
    gap: 0.55rem;
    padding: 0 1rem;
    height: auto;
    min-height: 52px;
  }

  .mobile-menu-btn {
    grid-column: 1;
    grid-row: 1;
  }

  .portal-label {
    grid-column: 2;
    grid-row: 1;
    justify-self: start;
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    font-size: 0.88rem;
  }

  .topbar-actions {
    display: flex;
    align-items: center;
    gap: 0.55rem;
    grid-column: 3;
    grid-row: 1;
    flex-shrink: 0;
  }

  .account-dropdown,
  .notif-dropdown {
    position: fixed;
    top: 3.35rem;
    right: 0.75rem;
    left: auto;
    width: min(300px, calc(100vw - 1.5rem));
    max-height: min(70vh, 420px);
    overflow-y: auto;
  }

  .content {
    padding: 1.15rem 1rem 2rem;
  }

  .page-head {
    flex-wrap: wrap;
    gap: 0.65rem;
  }

  .page-head h1 {
    font-size: 1.3rem;
  }

  .welcome {
    padding: 1rem 1.05rem;
  }

  .welcome h2 {
    font-size: 1.15rem;
  }

  .panel-title {
    flex-wrap: wrap;
    gap: 0.5rem;
  }

  .form-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .form-actions .btn {
    width: 100%;
  }

  .stepper {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    padding-bottom: 0.25rem;
    scrollbar-width: none;
  }

  .stepper::-webkit-scrollbar {
    display: none;
  }
}

/* ─── Mobile-only refinements ────────────────────────────────────────── */

@media (max-width: 767px) {
  .topbar {
    padding: 0 0.75rem;
    gap: 0.45rem;
  }

  .topbar-actions .icon-btn:first-child {
    display: none;
  }

  .portal-label {
    font-size: 0.82rem;
  }

  .content {
    padding: 0.9rem 0.75rem 1.75rem;
  }

  .page-head h1 {
    font-size: 1.18rem;
  }

  .stat-card {
    padding: 0.85rem 0.95rem;
  }

  .stat-card .value {
    font-size: 1.2rem;
  }

  .auth-page {
    padding: 1.25rem 0.85rem;
    align-items: flex-start;
    padding-top: 2rem;
  }

  .auth-card {
    padding: 1.5rem 1.15rem 1.35rem;
    border-radius: 18px;
  }

  .auth-card h1 {
    font-size: 1.2rem;
  }

  .auth-footer {
    font-size: 0.68rem;
  }

  .account-avatar-block {
    flex-direction: column;
    align-items: flex-start;
  }

  .confirm-grid,
  .grid-4,
  .grid-3,
  .grid-2,
  .ocr-grid,
  .val-grid,
  .folder-grid,
  .sou-tracker-layout {
    grid-template-columns: 1fr !important;
  }

  .archive-filter-grid {
    grid-template-columns: 1fr !important;
  }

  .archive-row {
    flex-wrap: wrap;
    align-items: flex-start;
  }

  .archive-row .right {
    width: 100%;
    margin-left: 0;
    padding-left: 0;
  }

  .repo-folders {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .table-scroll,
  .audit-panel .table-scroll,
  .panel {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }

  .back-btn {
    padding: 0.35rem 0.65rem;
    font-size: 0.8rem;
  }
}

/* ─── Tablet-only layout tweaks ────────────────────────────────────────── */

@media (min-width: 768px) and (max-width: 1024px) {
  .content {
    padding: 1.2rem 1.25rem 2rem;
  }

  .grid-4 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .grid-3 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .confirm-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .archive-filter-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .repo-folders {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .sidebar,
  .mobile-menu-icon span,
  .mobile-menu-btn {
    transition: none !important;
  }
}