/* ============================================================
   Blob Browser — Stylesheet
   ============================================================ */

:root {
  --azure-blue:        #0078d4;
  --azure-blue-dark:   #005a9e;
  --azure-blue-light:  #e8f3fc;
  --text:              #1f2937;
  --text-muted:        #6b7280;
  --border:            #e5e7eb;
  --bg:                #f3f4f6;
  --surface:           #ffffff;
  --row-hover:         rgba(0, 0, 0, 0.04);
  --error:             #dc2626;
  --error-bg:          #fef2f2;
  --radius:            8px;
  --shadow-sm:         0 1px 2px rgba(0,0,0,.07);
  --shadow:            0 1px 4px rgba(0,0,0,.10);
  --shadow-md:         0 4px 12px rgba(0,0,0,.10);
  --font:              -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", sans-serif;
}

/* ── Dark theme overrides ─────────────────────────────────── */
[data-theme="dark"] {
  --azure-blue:        #4da6ff;
  --azure-blue-dark:   #2b88e0;
  --azure-blue-light:  #1a2d42;
  --text:              #e4e6ea;
  --text-muted:        #9ca3af;
  --border:            #374151;
  --bg:                #111827;
  --surface:           #1f2937;
  --row-hover:         rgba(255, 255, 255, 0.05);
  --error:             #f87171;
  --error-bg:          #3b1a1a;
  --shadow-sm:         0 1px 2px rgba(0,0,0,.25);
  --shadow:            0 1px 4px rgba(0,0,0,.30);
  --shadow-md:         0 4px 12px rgba(0,0,0,.35);
  --surface-alt:       #283345;
  --warn-bg:           #332b1a;
  --warn-text:         #fbbf24;
  --warn-border:       #78640d;
  --bg-checkerboard:   #1a1a2e;
}

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

/* Safe-area insets for notched phones */
html {
  padding: env(safe-area-inset-top) env(safe-area-inset-right) env(safe-area-inset-bottom) env(safe-area-inset-left);
}

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  line-height: 1.5;
  display: flex;
  flex-direction: column;
  -webkit-text-size-adjust: 100%; /* Prevent iOS font-size inflation */
  text-size-adjust: 100%;
}

/* Touch-friendly min tap targets on touch devices */
@media (pointer: coarse) {
  .btn, .btn-icon, .btn-action, .btn-upload,
  .file-card, .tree-node-row, .picker-container-item,
  .breadcrumb-link, .new-type-btn, .copy-menu-item,
  input[type="checkbox"] { min-height: 44px; }
  .file-table tbody td { min-height: 44px; }
  .tree-node-row { min-height: 36px; }
}

.hidden { display: none !important; }

/* ── Loading overlay ──────────────────────────────────────── */

.loading-overlay {
  position: fixed;
  inset: 0;
  background: rgba(255,255,255,.80);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  backdrop-filter: blur(2px);
}

.spinner {
  width: 40px;
  height: 40px;
  border: 4px solid var(--border);
  border-top-color: var(--azure-blue);
  border-radius: 50%;
  animation: spin .75s linear infinite;
}

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

/* ── Footer ──────────────────────────────────────────────── */

.app-footer {
  background: var(--azure-blue);
  color: rgba(255, 255, 255, .75);
  font-size: 12px;
  padding: 10px 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  flex-shrink: 0;
}

.app-footer a {
  color: #fff;
  text-decoration: none;
  font-weight: 500;
  transition: color .15s;
}

.app-footer a:hover {
  color: rgba(255, 255, 255, 1);
  text-decoration: underline;
}

/* ── Sign-in page ─────────────────────────────────────────── */

.sign-in-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #0078d4 0%, #003f78 100%);
  position: relative;
}

.sign-in-card {
  background: var(--surface);
  border-radius: 16px;
  box-shadow: 0 24px 64px rgba(0,0,0,.25);
  padding: 52px 44px;
  text-align: center;
  max-width: 400px;
  width: calc(100% - 32px);
}

.sign-in-card .app-logo {
  font-size: 52px;
  line-height: 1;
  margin-bottom: 20px;
}

.sign-in-card h1 {
  font-size: 22px;
  font-weight: 700;
  margin-bottom: 8px;
}

.sign-in-card p {
  color: var(--text-muted);
  font-size: 14px;
  margin-bottom: 32px;
}

.sign-in-divider {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 20px 0;
  color: var(--text-muted);
  font-size: 13px;
}
.sign-in-divider::before,
.sign-in-divider::after {
  content: "";
  flex: 1;
  height: 1px;
  background: var(--border);
}

/* Override btn-secondary colours for use on the light sign-in card */
.sign-in-card .btn-secondary {
  width: 100%;
  padding: 12px;
  font-size: 15px;
  background: transparent;
  color: var(--azure-blue);
  border: 1px solid var(--azure-blue);
}
.sign-in-card .btn-secondary:hover {
  background: var(--azure-blue-light, #e6f2fb);
}

/* ── Open SAS modal ────────────────────────────────────────── */
.open-sas-desc {
  color: var(--text-muted);
  font-size: 13px;
  margin-bottom: 16px;
  line-height: 1.5;
}
.open-sas-textarea {
  min-height: 72px;
  font-family: monospace;
  font-size: 12px;
  resize: vertical;
  word-break: break-all;
  background: var(--surface);
  color: var(--text);
  border-color: var(--border);
}
.open-sas-parsed {
  margin-top: 16px;
  padding: 12px;
  background: var(--surface-alt, #f8f9fa);
  border-radius: 8px;
  border: 1px solid var(--border);
}
.open-sas-info-table .props-label { width: 110px; }

.sas-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  padding: 3px 10px;
  border-radius: 12px;
  font-weight: 600;
}
.sas-badge-active {
  background: #fff3cd;
  color: #856404;
}
.sas-badge-expired {
  background: #f8d7da;
  color: #721c24;
}
.open-sas-header-btn {
  margin-right: 0;
}

/* ── SAS read-only download card ───────────────────────────── */
.sas-download-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 48px 32px;
  margin: 32px auto;
  max-width: 420px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  box-shadow: 0 4px 16px rgba(0,0,0,.06);
}
.sas-download-icon {
  font-size: 52px;
  line-height: 1;
  margin-bottom: 16px;
}
.sas-download-name {
  font-size: 16px;
  font-weight: 600;
  word-break: break-all;
  margin-bottom: 8px;
}
.sas-download-hint {
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 24px;
  line-height: 1.5;
}
.sas-download-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  justify-content: center;
}
.sas-download-actions .btn {
  min-width: 120px;
}
.sas-download-error {
  margin-top: 16px;
  font-size: 13px;
  color: var(--error);
}

/* ── Header ───────────────────────────────────────────────── */

.main-app {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

/* ── App body (sidebar + content flex row) ───────────────────── */

.app-body {
  display: flex;
  flex: 1;
  overflow: hidden;
  min-height: 0;
}

.app-content-col {
  display: flex;
  flex-direction: column;
  flex: 1;
  overflow: hidden;
  min-width: 0;
}

.app-content-col > main {
  flex: 1;
  overflow-y: auto;
  min-width: 0;
}

.header {
  background: var(--azure-blue);
  color: #fff;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;
  box-shadow: var(--shadow-md);
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-left  { display: flex; align-items: center; gap: 12px; min-width: 0; }
.header-right { display: flex; align-items: center; gap: 12px; flex-shrink: 0; }

.header-logo    { font-size: 22px; line-height: 1; }
.header-title   { font-size: 17px; font-weight: 600; white-space: nowrap; }

.header-subtitle {
  font-size: 12px;
  opacity: .75;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 300px;
}

/* ── Sub-header info bar (badge + user identity) ─────────── */
.header-info-bar {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  padding: 4px 24px;
  background: linear-gradient(180deg, #e8f0fe 0%, #f4f7fb 100%);
  border-bottom: 1px solid var(--border);
  min-height: 28px;
  position: sticky;
  top: 56px;          /* sits right below the 56px header */
  z-index: 99;
}
.header-info-bar-right { display: flex; align-items: center; gap: 10px; }

/* ── Permission badge ─────────────────────────────────────── */
.perm-badge {
  font-size: 11px;
  font-weight: 600;
  padding: 3px 9px;
  border-radius: 10px;
  background: var(--azure-blue);
  color: #fff;
  white-space: nowrap;
  letter-spacing: .02em;
}

.user-info {
  min-width: 0;
  max-width: 480px;
}
.user-name {
  font-size: 13px;
  font-weight: 500;
  color: var(--text-muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 100%;
}

/* ── Breadcrumb ───────────────────────────────────────────── */

.breadcrumb-nav {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  padding: 8px 24px;
}

.breadcrumb {
  list-style: none;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0;
}

.breadcrumb-item {
  display: flex;
  align-items: center;
  font-size: 13px;
  color: var(--text-muted);
}

.breadcrumb-item + .breadcrumb-item::before {
  content: "›";
  margin: 0 8px;
  color: var(--border);
  font-size: 16px;
  line-height: 1;
}

.breadcrumb-item.active  { color: var(--text); font-weight: 500; }
.breadcrumb-item a       { display: inline-flex; align-items: center; color: var(--azure-blue); text-decoration: none; }
.breadcrumb-item a:hover { text-decoration: underline; }

/* ── Toolbar ──────────────────────────────────────────────── */

.toolbar {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  padding: 8px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.item-count    { font-size: 12px; color: var(--text-muted); }
.toolbar-left  { display: flex; align-items: center; gap: 10px; }
.toolbar-right { display: flex; align-items: center; gap: 8px; }

.view-toggle { display: flex; border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; }
.view-toggle .btn-icon { border: none; border-radius: 0; border-right: 1px solid var(--border); }
.view-toggle .btn-icon:last-child { border-right: none; }
.view-toggle .btn-icon.active { background: var(--azure-blue-light); color: var(--azure-blue); }

/* ── Main content area ────────────────────────────────────── */



/* -- Search bar ------------------------------------------------------------ */
.search-bar { background: var(--surface); border-bottom: 1px solid var(--border); padding: 8px 24px; display: flex; align-items: center; gap: 16px; flex-wrap: wrap; }
.search-input-group { display: flex; align-items: center; gap: 6px; flex: 1; max-width: 480px; background: var(--bg); border: 1px solid var(--border); border-radius: var(--radius); padding: 5px 10px; transition: border-color .15s; }
.search-input-group:focus-within { border-color: var(--azure-blue); }
.search-input { flex: 1; border: none; background: transparent; font-size: 13px; color: var(--text); outline: none; min-width: 0; }
.search-input::placeholder { color: var(--text-muted); }
.search-clear { padding: 1px 5px; font-size: 11px; opacity: .6; line-height: 1; }
.search-clear:hover { opacity: 1; }
.search-scope-group { display: flex; align-items: center; gap: 14px; flex-shrink: 0; }
.search-scope-opt { display: flex; align-items: center; gap: 5px; font-size: 12px; color: var(--text-muted); cursor: pointer; user-select: none; }
.search-scope-opt input { cursor: pointer; accent-color: var(--azure-blue); }
.search-scope-opt:hover { color: var(--text); }

/* -- Search results -------------------------------------------------------- */
.search-banner { background: var(--azure-blue-light); color: var(--azure-blue); border: 1px solid var(--border); border-radius: var(--radius); padding: 8px 14px; margin-bottom: 12px; font-size: 13px; }
.search-result-name { display: flex; flex-direction: column; min-width: 0; overflow: hidden; }
.search-result-file { font-weight: 500; color: var(--text); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.search-result-path { font-size: 11px; color: var(--text-muted); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.content {
  padding: 24px;
  width: 100%;
  box-sizing: border-box;
  }

.error-banner {
  background: var(--error-bg);
  color: var(--error);
  border: 1px solid var(--error);
  border-radius: var(--radius);
  padding: 12px 16px;
  margin-bottom: 16px;
  font-size: 13px;
}

.network-error-help {
  background: var(--warn-bg, #fff7ed);
  color: var(--warn-text, #92400e);
  border: 1px solid var(--warn-border, #fed7aa);
  border-radius: var(--radius);
  padding: 12px 16px;
  margin-bottom: 16px;
  font-size: 13px;
  line-height: 1.5;
}

.network-error-help ul.network-error-list {
  margin: 8px 0 0 0;
  padding-left: 18px;
}

.network-error-help ul.network-error-list li {
  margin-bottom: 8px;
}

.network-error-help code {
  display: inline-block;
  margin-top: 4px;
  background: var(--surface-alt, rgba(0, 0, 0, 0.07));
  padding: 2px 8px;
  border-radius: 3px;
  font-size: 12px;
  font-family: var(--font-mono, monospace);
  user-select: all;
  cursor: text;
}

/* ── List view table ──────────────────────────────────────── */

.file-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--surface);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
}

.file-table thead { background: #f9fafb; }

.file-table th {
  padding: 10px 16px;
  text-align: left;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .06em;
  color: var(--text-muted);
  border-bottom: 1px solid var(--border);
}

/* -- Sortable column headers ----------------------------------------------- */
.th-sortable { cursor: pointer; user-select: none; white-space: nowrap; transition: background .1s, color .1s; }
.th-sortable:hover { color: var(--azure-blue); background: var(--azure-blue-light); }
.th-sort-active    { color: var(--azure-blue); }
.sort-arrow        { font-size: 9px; margin-left: 3px; vertical-align: middle; opacity: .8; }
.file-table td {
  padding: 9px 16px;
  font-size: 13px;
  border-bottom: 1px solid var(--border);
  vertical-align: middle;
}

.file-row:last-child td { border-bottom: none; }
.file-row:hover          { background: var(--bg); }

.file-name    { display: flex; align-items: center; gap: 8px; min-width: 0; }
.file-icon    { font-size: 17px; line-height: 1; flex-shrink: 0; }
.file-link    { color: var(--azure-blue); text-decoration: none; font-weight: 500; }
.file-link:hover { text-decoration: underline; }
.file-size, .file-date { color: var(--text-muted); white-space: nowrap; }
.file-actions { text-align: right; }

/* ── Grid view ────────────────────────────────────────────── */

.file-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
  gap: 14px;
}

.file-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px 12px 14px;
  text-align: center;
  transition: box-shadow .15s, border-color .15s;
  cursor: default;
}

.folder-card, .up-card {
  cursor: pointer;
}

.folder-card:hover, .up-card:hover,
.folder-card:focus-visible, .up-card:focus-visible {
  box-shadow: var(--shadow-md);
  border-color: var(--azure-blue);
  outline: none;
}

/* .. up row (list view) */
.up-row td       { color: var(--text-muted); }
.up-row .up-link { color: var(--text-muted); font-weight: 600; letter-spacing: .04em; }
.up-row .up-link:hover { color: var(--azure-blue); text-decoration: underline; }
.up-row .file-icon { font-size: 15px; }

/* .. up card (grid view) */
.up-card .card-icon { font-size: 28px; color: var(--text-muted); margin-bottom: 6px; }
.up-card .card-name { color: var(--text-muted); font-weight: 600; letter-spacing: .04em; }

.card-icon     { font-size: 38px; margin-bottom: 10px; line-height: 1; }

.card-name {
  font-size: 12px;
  font-weight: 500;
  word-break: break-word;
  overflow: hidden;
  display: -webkit-box;          /* stylelint-disable-line -- needed for line-clamp fallback */
  -webkit-line-clamp: 2;         /* stylelint-disable-line */
  -webkit-box-orient: vertical;  /* stylelint-disable-line */
  line-clamp: 2;                 /* standard property (progressive enhancement) */
  margin-bottom: 4px;
  line-height: 1.4;
}

.card-meta     { font-size: 11px; color: var(--text-muted); }
.card-date     { font-size: 10px; opacity: .75; min-height: 14px; }
.card-download { margin-top: 10px; }

/* ── Empty state ──────────────────────────────────────────── */

.empty-state {
  text-align: center;
  padding: 80px 24px;
  color: var(--text-muted);
}

.empty-state .empty-icon { font-size: 64px; margin-bottom: 16px; }
.empty-state p            { font-size: 15px; }

/* ── Buttons ──────────────────────────────────────────────── */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 9px 18px;
  border: none;
  border-radius: var(--radius);
  font-family: var(--font);
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  white-space: nowrap;
  transition: background .15s, color .15s;
  text-decoration: none;
}

.btn-primary {
  background: var(--azure-blue);
  color: #fff;
  width: 100%;
  padding: 12px;
  font-size: 15px;
}
.btn-primary:hover { background: var(--azure-blue-dark); }

.btn-secondary {
  background: rgba(255,255,255,.15);
  color: #fff;
  border: 1px solid rgba(255,255,255,.30);
}
.btn-secondary:hover { background: rgba(255,255,255,.25); }

.btn-icon {
  background: transparent;
  color: var(--text);
  padding: 5px 10px;
  font-size: 13px;
}
.btn-icon:hover { background: var(--bg); }

.btn-small {
  padding: 4px 10px;
  font-size: 11px;
  background: var(--azure-blue-light);
  color: var(--azure-blue);
  border: 1px solid var(--azure-blue);
  border-radius: 6px;
}
.btn-small:hover { background: var(--azure-blue); color: #fff; }

/* ── Upload button ────────────────────────────────────────── */

.btn-upload {
  background: var(--azure-blue-light);
  color: var(--azure-blue);
  border: 1px solid var(--azure-blue);
  padding: 5px 14px;
  font-size: 13px;
  border-radius: var(--radius);
  transition: background .15s, color .15s;
}
.btn-upload:hover,
.btn-upload.active { background: var(--azure-blue); color: #fff; }

/* ── Upload panel ─────────────────────────────────────────── */

.upload-panel {
  background: var(--surface);
  border-bottom: 2px solid var(--azure-blue-light);
}

/* ── Drop zone ────────────────────────────────────────────── */

.upload-dropzone {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 6px;
  margin: 16px 24px 0;
  padding: 24px;
  border: 2px dashed var(--border);
  border-radius: var(--radius);
  text-align: center;
  transition: border-color .15s, background .15s;
}

#contentArea.drag-over .upload-dropzone,
.upload-dropzone.drag-active {
  border-color: var(--azure-blue);
  background: var(--azure-blue-light);
}

#contentArea.drag-over {
  outline: 3px dashed var(--azure-blue);
  outline-offset: -3px;
  border-radius: var(--radius);
}

.dropzone-icon    { font-size: 36px; line-height: 1; }
.dropzone-text    { font-size: 14px; font-weight: 500; }
.dropzone-subtext { font-size: 12px; color: var(--text-muted); }

.dropzone-actions {
  display: flex;
  gap: 8px;
  margin-top: 8px;
  flex-wrap: wrap;
  justify-content: center;
}

.btn-upload-action {
  background: var(--surface);
  color: var(--azure-blue);
  border: 1px solid var(--azure-blue);
  padding: 7px 16px;
  font-size: 13px;
  border-radius: var(--radius);
  transition: background .15s, color .15s;
}
.btn-upload-action:hover { background: var(--azure-blue); color: #fff; }

/* ── Upload queue ─────────────────────────────────────────── */

.upload-queue {
  margin: 12px 24px 16px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--bg);
}

.upload-queue-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 7px 14px;
  border-bottom: 1px solid var(--border);
  background: var(--surface);
}

.upload-queue-count { font-size: 12px; color: var(--text-muted); }

.upload-queue-list  { max-height: 240px; overflow-y: auto; }

.upload-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 14px;
  font-size: 13px;
  border-bottom: 1px solid var(--border);
}
.upload-item:last-child { border-bottom: none; }

.upload-item-icon { font-size: 18px; flex-shrink: 0; }

.upload-item-info {
  min-width: 0;
  flex: 1;
}

.upload-item-name {
  display: block;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  font-weight: 500;
}

.upload-item-size { font-size: 11px; color: var(--text-muted); }
.upload-item-error { display: block; font-size: 11px; color: var(--error); margin-top: 2px; }

.upload-item-right {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
  min-width: 160px;
}

.progress-track {
  flex: 1;
  height: 6px;
  background: var(--border);
  border-radius: 3px;
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  background: var(--azure-blue);
  border-radius: 3px;
  transition: width .2s ease;
}

.upload-item-status {
  font-size: 11px;
  color: var(--text-muted);
  white-space: nowrap;
  min-width: 56px;
  text-align: right;
}
.status-done      { color: #16a34a; font-weight: 600; }
.status-error     { color: var(--error); font-weight: 600; cursor: help; }
.status-skipped   { color: #d97706; font-weight: 600; }
.status-uploading { color: var(--azure-blue); }

/* ── Selection action bar ─────────────────────────────────── */

.selection-bar {
  background: var(--azure-blue);
  color: #fff;
  padding: 8px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  font-size: 13px;
  font-weight: 500;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 2px 6px rgba(0,0,0,.18);
}

.selection-count  { flex-shrink: 0; }
.selection-actions { display: flex; gap: 8px; flex-wrap: wrap; }

.btn-sel-action {
  background: rgba(255,255,255,.15);
  color: #fff;
  border: 1px solid rgba(255,255,255,.35);
  padding: 4px 12px;
  font-size: 12px;
  font-family: var(--font);
  font-weight: 500;
  border-radius: 6px;
  cursor: pointer;
  transition: background .12s;
}
.btn-sel-action:hover { background: rgba(255,255,255,.28); }
.btn-sel-danger  { background: rgba(220,38,38,.35); border-color: rgba(220,38,38,.5); }
.btn-sel-danger:hover { background: rgba(220,38,38,.55); }

.btn-sel-clear {
  background: transparent;
  color: rgba(255,255,255,.75);
  border: none;
  padding: 4px 8px;
  font-size: 12px;
  font-family: var(--font);
  cursor: pointer;
}
.btn-sel-clear:hover { color: #fff; }

/* checkbox column */
.col-check { width: 36px; padding-left: 12px !important; }
.row-chk, .card-chk { cursor: pointer; width: 14px; height: 14px; accent-color: var(--azure-blue); }

/* selected row/card highlight */
.row-selected td   { background: var(--azure-blue-light) !important; }
.card-selected     { outline: 2px solid var(--azure-blue); outline-offset: -2px; background: var(--azure-blue-light); }

/* card checkbox — top-left corner */
.file-card { position: relative; }
.card-chk  { position: absolute; top: 8px; left: 8px; z-index: 1; }

/* ── Responsive ───────────────────────────────────────────── */

/* Wide tablet / small laptop (≤ 1024px) */
@media (max-width: 1024px) {
  .modal-wide                                   { max-width: 90vw; }
  .picker-body                                  { max-width: 100%; }
}

/* Tablet (≤ 768px) */
@media (max-width: 768px) {
  .header                                       { padding: 0 16px; gap: 8px; }
  .header-right                                 { gap: 8px; }
  .header-info-bar                              { padding: 4px 16px; }
  .breadcrumb-nav                               { padding: 6px 16px; }
  .toolbar                                      { padding: 6px 16px; }
  .content                                      { padding: 16px; }
  .upload-dropzone                              { margin: 12px 16px 0; }
  .upload-queue                                 { margin: 8px 16px 12px; }
  /* Hide the least-useful 'Created' column on tablets */
  .file-table th:nth-child(5),
  .file-table td:nth-child(5)                   { display: none; }
}

/* Phone (≤ 640px) */
@media (max-width: 640px) {
  /* ── Header ────────────────────── */
  .header                                       { padding: 0 10px; height: 48px; gap: 6px; }
  .header-left                                  { gap: 6px; min-width: 0; overflow: hidden; }
  .header-right                                 { gap: 4px; }
  .header-title                                 { font-size: 14px; }
  .header-subtitle                              { display: none; }
  .header-logo                                  { font-size: 18px; }
  .header-info-bar                              { padding: 3px 10px; top: 48px; min-height: 24px; }
  .header-info-bar .user-name                   { font-size: 11px; }
  .perm-badge,
  .sas-badge                                    { font-size: 10px; padding: 2px 6px; }

  /* Header buttons — compact icon-only on small screens */
  .header-right > .btn                          { padding: 6px 8px; font-size: 12px; }
  .header-right > .btn .btn-label               { display: none; }

  /* ── Breadcrumb ────────────────── */
  .breadcrumb-nav                               { padding: 5px 10px; overflow-x: auto; }
  .breadcrumb                                   { flex-wrap: nowrap; }
  .breadcrumb-item                              { font-size: 12px; white-space: nowrap; }

  /* ── Toolbar ───────────────────── */
  .toolbar                                      { padding: 5px 10px; flex-wrap: wrap; gap: 4px; }
  .toolbar-left                                 { gap: 4px; }
  .toolbar-right                                { flex-wrap: wrap; gap: 4px; }
  .btn-label                                    { display: none; }
  .btn-upload                                   { padding: 5px 10px; font-size: 12px; }
  .btn-icon                                     { padding: 5px 9px;  font-size: 12px; }
  .item-count                                   { font-size: 11px; }

  /* ── Content ───────────────────── */
  .content                                      { padding: 10px; }
  #fileContainer                                { overflow-x: auto; }

  /* ── File table ────────────────── */
  /* Hide Size (#3), Modified (#4), Created (#5) columns */
  .file-table th:nth-child(3),
  .file-table td:nth-child(3)                   { display: none; }
  .file-table th:nth-child(4),
  .file-table td:nth-child(4)                   { display: none; }
  .file-table th:nth-child(5),
  .file-table td:nth-child(5)                   { display: none; }
  .file-table th,
  .file-table td                                { padding: 8px 6px; font-size: 13px; }
  .col-check                                    { width: 28px; padding-left: 6px !important; }

  /* ── Row action buttons ────────── */
  .btn-action                                   { padding: 3px 6px; font-size: 10px; gap: 2px; }
  .row-actions                                  { gap: 3px; }

  /* ── File grid ─────────────────── */
  .file-grid                                    { grid-template-columns: repeat(auto-fill, minmax(110px, 1fr)); gap: 8px; }
  .file-card                                    { padding: 10px 8px; }

  /* ── Upload panel ──────────────── */
  .upload-dropzone                              { margin: 8px 10px 0; padding: 16px 10px; }
  .dropzone-text                                { font-size: 13px; }
  .dropzone-subtext                             { font-size: 11px; }
  .dropzone-actions                             { flex-direction: column; gap: 8px; }
  .dropzone-actions .btn-upload-action          { width: 100%; }
  .upload-queue                                 { margin: 6px 10px 10px; }
  .upload-item-right                            { min-width: 100px; }

  /* ── Selection bar ─────────────── */
  .selection-bar                                { padding: 8px 10px; flex-wrap: wrap; gap: 6px; }
  .selection-actions                            { flex-wrap: wrap; gap: 4px; }
  .selection-count                              { font-size: 12px; }

  /* ── Search bar ────────────────── */
  .search-input-group                           { flex: 1 1 100%; }
  .search-scope-group                           { flex-wrap: wrap; gap: 6px; }

  /* ── Modals ────────────────────── */
  .modal-overlay                                { padding: 8px; align-items: flex-end; }
  .modal                                        { max-height: 92vh; border-radius: var(--radius) var(--radius) 0 0; }
  .modal-wide                                   { max-width: 100%; }
  .modal-header                                 { padding: 14px 16px; }
  .modal-header .modal-title                    { font-size: 15px; }
  .modal-body                                   { padding: 12px 16px; }
  .modal-footer                                 { padding: 10px 16px; flex-wrap: wrap; gap: 6px; }
  .modal-footer .btn-primary-sm,
  .modal-footer .btn-secondary-neutral,
  .modal-footer .btn-danger                     { flex: 1 1 auto; text-align: center; }

  /* ── View / Edit modals ────────── */
  .view-modal                                   { max-height: 95vh; width: 100vw; }
  .view-modal-header                            { flex-wrap: wrap; gap: 6px; padding: 12px 14px; }
  .view-modal-title-group                       { flex: 1 1 100%; min-width: 0; }
  .view-modal-title-group .modal-title          { font-size: 14px; word-break: break-all; }
  .view-modal-actions                           { gap: 4px; }
  .view-modal-actions .btn-icon                 { padding: 4px 7px; font-size: 11px; }
  .view-wrapper                                 { font-size: 12px; }
  .view-line-nums                               { display: none; }

  /* ── SAS modals ────────────────── */
  .sas-row                                      { flex-direction: column; gap: 10px; }
  .sas-datetime                                 { width: 100%; }
  .open-sas-textarea                            { min-height: 60px; font-size: 11px; }

  /* ── Help modal ────────────────── */
  .help-modal-body                              { max-height: 75vh; }
  .help-heading                                 { font-size: 13px; }
  .help-list                                    { font-size: 12px; padding-left: 16px; }

  /* ── Audit modal ───────────────── */
  .audit-modal                                  { max-width: 100%; }
  .audit-header-actions                         { flex-wrap: wrap; }
  .audit-table                                  { font-size: 11px; }
  .audit-table .audit-col-user                  { display: none; }
  .audit-table th:nth-child(3)                  { display: none; }

  /* ── Report modal ──────────────── */
  .report-modal                                 { max-width: 100%; }
  .report-modal-body                            { overflow-x: auto; -webkit-overflow-scrolling: touch; }
  .report-table                                 { font-size: 11px; min-width: 700px; }
  .report-summary                               { gap: 10px; font-size: 12px; flex-direction: column; }
  .report-stat                                  { flex-direction: row; gap: 6px; align-items: center; }
  .report-stat-label                            { min-width: 80px; }
  .report-stat-value                            { font-size: 13px; }
  .report-header-actions                        { flex-wrap: wrap; }
  .report-filter-bar                            { flex-direction: column; gap: 6px; }
  .report-filter-input                          { width: 100%; }
  .report-col-url                               { max-width: 140px; }
  .report-col-mono                              { font-size: 10px; }

  /* ── Email modal ───────────────── */
  .email-modal                                  { max-width: 100%; }
  .email-body-textarea                          { min-height: 80px; font-size: 12px; }

  /* ── SAS download card ─────────── */
  .sas-download-card                            { padding: 32px 20px; margin: 16px auto; }
  .sas-download-icon                            { font-size: 40px; }
  .sas-download-actions                         { flex-direction: column; gap: 8px; width: 100%; }
  .sas-download-actions .btn                    { width: 100%; min-width: 0; }

  /* ── Toast ─────────────────────── */
  .toast                                        { white-space: normal; max-width: calc(100vw - 24px);
                                                  bottom: 12px; left: 12px; right: 12px;
                                                  transform: none; font-size: 12px; }

  /* ── Sign-in card ──────────────── */
  .sign-in-card                                 { padding: 36px 20px; max-width: 340px; }
  .sign-in-card h1                              { font-size: 19px; }
  .sign-in-card p                               { font-size: 13px; }
  .sign-in-card .btn-primary                    { font-size: 14px; padding: 11px; }
  .sign-in-card .btn-secondary                  { font-size: 14px; padding: 11px; }

  /* ── Empty state ───────────────── */
  .empty-state                                  { padding: 32px 16px; }
  .empty-icon                                   { font-size: 36px; }

  /* ── Network error help ────────── */
  .network-error-help                           { font-size: 12px; padding: 10px 12px; }
  .network-error-list li                        { margin-bottom: 8px; }

  /* ── Footer ────────────────────── */
  .app-footer                                   { padding: 8px 10px; font-size: 11px; }
}

/* Extra-small phone (≤ 380px) */
@media (max-width: 380px) {
  .header-title                                 { font-size: 12px; }
  .header-logo                                  { display: none; }
  .header-right > .btn                          { padding: 5px 6px; font-size: 11px; }
  .sign-in-card                                 { padding: 28px 16px; }
  .sign-in-card h1                              { font-size: 17px; }
  .breadcrumb-item                              { font-size: 11px; }
  .file-grid                                    { grid-template-columns: repeat(auto-fill, minmax(90px, 1fr)); gap: 6px; }
}

/* ── Copy URL menu popover ───────────────────────────────── */

.copy-menu {
  position: fixed;
  z-index: 2000;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-md);
  min-width: 240px;
  overflow: hidden;
  animation: fadeIn .1s ease;
}

.copy-menu-item {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  padding: 10px 14px;
  background: none;
  border: none;
  text-align: left;
  cursor: pointer;
  font-family: var(--font);
  color: var(--text);
  font-size: 13px;
  transition: background .1s;
}
.copy-menu-item:hover { background: var(--bg); }
.copy-menu-item + .copy-menu-item { border-top: 1px solid var(--border); }
.copy-menu-item strong { display: block; font-size: 13px; font-weight: 600; }
.copy-menu-item small  { display: block; font-size: 11px; color: var(--text-muted); margin-top: 1px; }

.copy-menu-divider {
  height: 1px;
  background: var(--border);
  margin: 0;
}

.sas-email-btn {
  background: var(--azure-blue-light);
  color: var(--azure-blue);
  border-color: var(--azure-blue);
}
.sas-email-btn:hover {
  background: var(--azure-blue);
  color: #fff;
}

/* ── Email compose modal ──────────────────────────────────────── */

.email-modal {
  max-width: 520px;
}

.email-body-textarea {
  resize: vertical;
  font-family: var(--font);
  font-size: 13px;
  line-height: 1.6;
  min-height: 100px;
  background: var(--surface);
  color: var(--text);
  border-color: var(--border);
}

.form-group {
  margin-bottom: 14px;
}

.form-label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 5px;
}

.form-hint {
  font-weight: 400;
  font-size: 12px;
  color: var(--text-muted);
}

.form-error {
  color: var(--error);
  font-size: 12px;
  margin-top: 6px;
}
.copy-menu-icon { font-size: 18px; flex-shrink: 0; }

/* Copy menu on phones — bottom sheet style */
@media (max-width: 640px) {
  .copy-menu {
    position: fixed !important;
    bottom: 0 !important;
    left: 0 !important;
    right: 0 !important;
    top: auto !important;
    min-width: 100%;
    border-radius: var(--radius) var(--radius) 0 0;
    animation: slideUp .15s ease;
  }
  .copy-menu-item { padding: 14px 16px; font-size: 14px; }
}
@keyframes slideUp { from { transform: translateY(100%); } to { transform: translateY(0); } }

@keyframes fadeIn { from { opacity: 0; transform: translateY(-4px); } to { opacity: 1; transform: none; } }

/* ── Row action buttons ───────────────────────────────────── */

.row-actions {
  display: flex;
  gap: 4px;
  align-items: center;
  justify-content: flex-end;
  flex-wrap: nowrap;
}

.btn-action {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 8px;
  font-size: 11px;
  font-family: var(--font);
  font-weight: 500;
  cursor: pointer;
  white-space: nowrap;
  border-radius: 5px;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
  transition: background .12s, border-color .12s;
}
.btn-action:hover { background: var(--bg); border-color: #bbb; }
.btn-action.btn-action-danger:hover { background: var(--error-bg); border-color: var(--error); color: var(--error); }

/* Card action row */
.card-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  justify-content: center;
  margin-top: 8px;
}
.card-actions .btn-action {
  padding: 4px 6px;
  font-size: 15px;
  line-height: 1;
  min-width: 28px;
  justify-content: center;
}

/* ── Modal overlay & dialog ───────────────────────────────── */

.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.45);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  padding: 16px;
}

.modal {
  background: var(--surface);
  border-radius: var(--radius);
  box-shadow: var(--shadow-md);
  width: 100%;
  max-width: 540px;
  max-height: 80vh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}

.modal-title {
  font-size: 15px;
  font-weight: 600;
  margin: 0;
}

.modal-close {
  background: none;
  border: none;
  font-size: 20px;
  line-height: 1;
  cursor: pointer;
  color: var(--text-muted);
  padding: 0 4px;
  border-radius: 4px;
}
.modal-close:hover { color: var(--text); background: var(--bg); }

.modal-body {
  padding: 16px 20px;
  overflow-y: auto;
  flex: 1;
}

.modal-footer {
  padding: 12px 20px;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: flex-end;
  gap: 8px;
  flex-shrink: 0;
}

/* Properties table inside modal */
.props-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}
.props-table tr + tr td { border-top: 1px solid var(--border); }
.props-table td { padding: 7px 4px; vertical-align: top; }
.props-table td:first-child {
  font-weight: 600;
  white-space: nowrap;
  padding-right: 16px;
  color: var(--text-muted);
  width: 40%;
}
.props-table td:last-child {
  word-break: break-all;
  color: var(--text);
}

/* Rename modal inputs */
.rename-label {
  display: block;
  font-size: 12px;
  font-weight: 600;
  color: var(--text-muted);
  margin-bottom: 6px;
}
.rename-input,
.form-input {
  width: 100%;
  padding: 8px 10px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-family: var(--font);
  font-size: 14px;
  color: var(--text);
  background: var(--surface);
  outline: none;
}
.rename-input:focus,
.form-input:focus { border-color: var(--azure-blue); box-shadow: 0 0 0 2px var(--azure-blue-light); }
.rename-error { font-size: 12px; color: var(--error); margin-top: 6px; }

/* ── Copy-to modal: folder picker tree ───────────────────── */
.copy-tree-container {
  max-height: 260px;
  overflow-y: auto;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 6px 4px;
  font-size: 13px;
  background: var(--bg);
}
.copy-tree-node { padding-left: 14px; }
.copy-tree-row {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 3px 6px;
  border-radius: var(--radius);
  cursor: pointer;
  user-select: none;
}
.copy-tree-row:hover { background: var(--hover); }
.copy-tree-row.copy-tree-active { background: var(--azure-blue-light); font-weight: 600; }
.copy-tree-chevron {
  background: none;
  border: none;
  font-size: 10px;
  width: 16px;
  text-align: center;
  cursor: pointer;
  color: var(--text-muted);
  flex-shrink: 0;
  padding: 0;
}
.copy-tree-children { display: none; }
.copy-tree-node.ct-expanded > .copy-tree-children { display: block; }
.copy-tree-node.ct-expanded > .copy-tree-row > .copy-tree-chevron { transform: rotate(90deg); }

/* Neutral secondary button (dark on white) */
.btn-secondary-neutral {
  background: var(--bg);
  color: var(--text);
  border: 1px solid var(--border);
  padding: 7px 16px;
  border-radius: var(--radius);
  font-family: var(--font);
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
}
.btn-secondary-neutral:hover { background: var(--border); }

.btn-primary-sm {
  background: var(--azure-blue);
  color: #fff;
  border: none;
  padding: 7px 16px;
  border-radius: var(--radius);
  font-family: var(--font);
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
}
.btn-primary-sm:hover { background: var(--azure-blue-dark); }

.btn-danger {
  background: var(--error);
  color: #fff;
  border: none;
  padding: 7px 16px;
  border-radius: var(--radius);
  font-family: var(--font);
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
}
.btn-danger:hover { background: #b91c1c; }

/* ── Toast notification ───────────────────────────────────── */

.toast {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  background: #1f2937;
  color: #fff;
  padding: 10px 20px;
  border-radius: var(--radius);
  font-size: 13px;
  box-shadow: var(--shadow-md);
  z-index: 10001;
  pointer-events: none;
  opacity: 1;
  transition: opacity .3s;
  white-space: nowrap;
  display: flex;
  align-items: center;
  gap: 12px;
}
.toast.hidden { display: none; }
.toast-action {
  background: rgba(255,255,255,0.15);
  border: 1px solid rgba(255,255,255,0.35);
  color: #fff;
  padding: 3px 10px;
  border-radius: 4px;
  cursor: pointer;
  font-size: 12px;
  font-family: var(--font);
  white-space: nowrap;
  flex-shrink: 0;
  transition: background .1s;
}
.toast-action:hover { background: rgba(255,255,255,0.28); }

/* ── Storage Picker page ──────────────────────────────────── */

.picker-page {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  background: var(--bg);
}

.picker-header {
  height: 56px;
  background: var(--azure-blue);
  border-bottom: none;
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;
  position: sticky;
  top: 0;
  z-index: 200;
  box-shadow: var(--shadow-md);
}

.picker-header-left  { display: flex; align-items: center; gap: 10px; }
.picker-header-right { display: flex; align-items: center; gap: 10px; }

.picker-body {
  max-width: 860px;
  width: 100%;
  margin: 32px auto;
  padding: 0 24px 48px;
}

.picker-title-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 20px;
  flex-wrap: wrap;
}

.picker-heading {
  font-size: 18px;
  font-weight: 600;
  margin: 0;
}

.picker-search {
  padding: 7px 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-family: var(--font);
  font-size: 13px;
  color: var(--text);
  background: var(--surface);
  outline: none;
  width: 240px;
  transition: border-color .15s, box-shadow .15s;
}
.picker-search:focus {
  border-color: var(--azure-blue);
  box-shadow: 0 0 0 2px var(--azure-blue-light);
}

/* Subscription group */
.picker-sub-group {
  margin-bottom: 24px;
}

.picker-sub-label {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 8px;
  padding: 0 2px;
}

/* Storage account card */
.picker-account {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-bottom: 12px;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.picker-account-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  cursor: pointer;
  user-select: none;
  gap: 12px;
}
.picker-account-header:hover { background: var(--bg); }

.picker-account-left {
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
}

.picker-account-icon { font-size: 20px; flex-shrink: 0; }

.picker-account-name {
  font-size: 14px;
  font-weight: 600;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.picker-account-meta {
  font-size: 11px;
  color: var(--text-muted);
  white-space: nowrap;
}

.picker-account-chevron {
  font-size: 12px;
  color: var(--text-muted);
  flex-shrink: 0;
  transition: transform .2s;
}
.picker-account.expanded .picker-account-chevron { transform: rotate(90deg); }

/* Container list inside an account card */
.picker-containers {
  border-top: 1px solid var(--border);
  display: none;
}
.picker-account.expanded .picker-containers { display: block; }

.picker-container-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 16px 10px 48px;
  cursor: pointer;
  border-bottom: 1px solid var(--border);
  transition: background .1s;
  gap: 12px;
}
.picker-container-item:last-child { border-bottom: none; }
.picker-container-item:hover { background: var(--azure-blue-light); }

.picker-container-left {
  display: flex;
  align-items: center;
  gap: 8px;
  min-width: 0;
}

.picker-container-name {
  font-size: 13px;
  font-weight: 500;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.picker-container-badge {
  font-size: 10px;
  padding: 1px 6px;
  border-radius: 10px;
  background: var(--border);
  color: var(--text-muted);
  white-space: nowrap;
  flex-shrink: 0;
}

.picker-container-action {
  font-size: 12px;
  color: var(--azure-blue);
  font-weight: 600;
  white-space: nowrap;
  flex-shrink: 0;
}

/* Loading skeleton */
.picker-skeleton {
  background: linear-gradient(90deg, var(--border) 25%, var(--surface-alt, #e9ebee) 50%, var(--border) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.4s infinite;
  border-radius: var(--radius);
  height: 52px;
  margin-bottom: 10px;
}
@keyframes shimmer { to { background-position: -200% 0; } }

/* Empty / error states */
.picker-empty {
  text-align: center;
  padding: 48px 24px;
  color: var(--text-muted);
  font-size: 14px;
}

.picker-error {
  background: var(--error-bg);
  color: var(--error);
  border: 1px solid var(--error);
  border-radius: var(--radius);
  padding: 12px 16px;
  font-size: 13px;
  margin-top: 12px;
}

.picker-cors-hint {
  margin-top: 24px;
  padding: 12px 16px;
  background: var(--azure-blue-light);
  border: 1px solid #bfdbfe;
  border-radius: var(--radius);
  font-size: 12px;
  color: var(--text-muted);
  line-height: 1.6;
}

/* Currently selected indicator on container items */
.picker-container-item.current-selection {
  background: var(--azure-blue-light);
}
.picker-container-item.current-selection .picker-container-action {
  color: var(--text-muted);
}

/* Tablet */
@media (max-width: 768px) {
  .picker-header    { padding: 0 16px; }
  .picker-body      { padding: 0 16px 48px; }
}

/* Mobile */
@media (max-width: 640px) {
  .picker-header    { height: 48px; padding: 0 10px; gap: 8px; }
  .picker-header .header-right { gap: 4px; }
  .picker-header .header-right > .btn .btn-label { display: none; }
  .picker-header .user-info { display: none; }
  .picker-body      { padding: 0 10px 48px; margin-top: 12px; }
  .picker-search    { width: 100%; }
  .picker-title-row { flex-direction: column; align-items: flex-start; gap: 8px; }

  .picker-account-header { padding: 10px 12px; }
  .picker-account-name { font-size: 14px; }
  .picker-container-item { padding: 8px 12px; padding-left: 28px; font-size: 13px; }
  .picker-cors-hint { font-size: 11px; padding: 10px 12px; }

}

/* ── File viewer modal ────────────────────────────────────── */

.view-modal {
  max-width: 960px;
  width: calc(100vw - 32px);
  max-height: 92vh;
}

.view-modal-header {
  flex-wrap: wrap;
  gap: 8px;
}

.view-modal-title-group {
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
  flex: 1;
}

.view-modal-title-group .modal-title {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.view-lang-badge {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: .05em;
  padding: 2px 7px;
  border-radius: 10px;
  background: var(--azure-blue-light);
  color: var(--azure-blue);
  white-space: nowrap;
  flex-shrink: 0;
}

.view-modal-actions {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-shrink: 0;
}

/* Body: zero padding — code fills edge to edge */
.view-modal-body {
  padding: 0 !important;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  background: var(--bg);
}

/* Loading state */
.view-loading {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 48px 24px;
  font-size: 13px;
  color: var(--text-muted);
}

.view-spinner {
  width: 18px;
  height: 18px;
  border: 2px solid var(--border);
  border-top-color: var(--azure-blue);
  border-radius: 50%;
  animation: spin .7s linear infinite;
  flex-shrink: 0;
}

/* Too-large / error state */
.view-too-large {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: 48px 24px;
  font-size: 13px;
  color: var(--text-muted);
  text-align: center;
}

/* Code wrapper — the single scroll container */
.view-wrapper {
  display: flex;
  overflow: auto;
  flex: 1;
  min-height: 0;
  font-family: 'Consolas', 'Cascadia Code', 'Monaco', 'Menlo', 'Courier New', monospace;
  font-size: 13px;
  line-height: 1.6;
}

/* Line numbers */
.view-line-nums {
  padding: 14px 12px 14px 16px;
  margin: 0;
  text-align: right;
  color: var(--text-muted);
  user-select: none;
  pointer-events: none;
  background: var(--surface-alt, #f1f3f5);
  border-right: 1px solid var(--border);
  position: sticky;
  left: 0;
  z-index: 1;
  flex-shrink: 0;
  white-space: pre;
  font-size: 12px;
  line-height: 1.6;
}

/* Code content */
.view-pre {
  margin: 0;
  padding: 14px 20px;
  white-space: pre;
  overflow-x: visible;
  flex: 1;
  color: var(--text);
  background: transparent;
}

.view-pre-wrap {
  white-space: pre-wrap;
  word-break: break-all;
}

/* Image preview */
.view-image-container {
  display: flex;
  align-items: center;
  justify-content: center;
  flex: 1;
  min-height: 0;
  overflow: auto;
  padding: 16px;
  background: var(--bg-checkerboard, #f0f0f0);
  background-image:
    linear-gradient(45deg, #e0e0e0 25%, transparent 25%),
    linear-gradient(-45deg, #e0e0e0 25%, transparent 25%),
    linear-gradient(45deg, transparent 75%, #e0e0e0 75%),
    linear-gradient(-45deg, transparent 75%, #e0e0e0 75%);
  background-size: 20px 20px;
  background-position: 0 0, 0 10px, 10px -10px, -10px 0;
}

.view-image-preview {
  max-width: 100%;
  max-height: 70vh;
  object-fit: contain;
  border-radius: 4px;
  box-shadow: 0 2px 12px rgba(0, 0, 0, .12);
}

/* Footer */
.view-modal-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.view-file-meta {
  font-size: 12px;
  color: var(--text-muted);
}

/* (View modal phone rules in main responsive block above) */
/* ── Folder tree sidebar ─────────────────────────────────────── */

.folder-tree {
  width: 220px;
  min-width: 220px;
  flex-shrink: 0;
  background: var(--surface);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  transition: width .2s ease, min-width .2s ease;
}

.folder-tree.tree-hidden {
  width: 0;
  min-width: 0;
  border-right-width: 0;
}

.tree-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 7px 6px 7px 14px;
  border-bottom: 1px solid var(--border);
  background: #f8f9fa;
  flex-shrink: 0;
}

.tree-header-label {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .06em;
  color: var(--text-muted);
  white-space: nowrap;
}

.tree-header-actions {
  display: flex;
  align-items: center;
  gap: 2px;
}

.tree-root {
  overflow-y: auto;
  overflow-x: hidden;
  flex: 1;
  padding: 4px 0;
}

/* Node container */
.tree-node { /* no extra visual style */ }

.tree-node-row {
  display: flex;
  align-items: center;
  gap: 3px;
  padding: 3px 10px 3px 4px;
  border-radius: 5px;
  margin: 1px 4px;
  min-height: 27px;
}

.tree-node-row:hover {
  background: var(--bg);
  cursor: pointer;
}

.tree-node-row.active {
  background: var(--azure-blue-light);
  border-left: 3px solid var(--azure-blue);
  padding-left: 1px; /* compensate: was 4px, now 4-3=1 */
}

.tree-node-row.active .tree-label {
  color: var(--azure-blue);
  font-weight: 600;
}

.tree-chevron {
  background: none;
  border: none;
  padding: 0;
  width: 16px;
  height: 16px;
  flex-shrink: 0;
  cursor: pointer;
  color: var(--text-muted);
  font-size: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 3px;
  transition: transform .15s, background .1s;
  line-height: 1;
}

.tree-chevron:hover {
  background: var(--border);
  color: var(--text);
}

.tree-node.expanded > .tree-node-row > .tree-chevron {
  transform: rotate(90deg);
}

.tree-icon {
  font-size: 13px;
  flex-shrink: 0;
  line-height: 1;
}

.tree-label {
  font-size: 12.5px;
  color: var(--text);
  text-decoration: none;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  flex: 1;
  min-width: 0;
  padding: 1px 0;
}

.tree-label:hover {
  color: var(--azure-blue);
  text-decoration: none;
}

/* Children are indented by padding-left */
.tree-children {
  padding-left: 14px;
}

/* Hide children when node is not expanded */
.tree-node:not(.expanded) > .tree-children {
  display: none;
}

/* ── Tree context menu ────────────────────────────────────── */

.tree-context-menu {
  position: fixed;
  z-index: 10000;
  min-width: 180px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-md);
  padding: 4px 0;
  font-size: 13px;
}

.tree-context-menu-item {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  padding: 8px 16px;
  border: none;
  background: none;
  color: var(--text);
  font-size: 13px;
  font-family: var(--font);
  cursor: pointer;
  white-space: nowrap;
  text-align: left;
}

.tree-context-menu-item:hover {
  background: var(--azure-blue-light);
  color: var(--azure-blue);
}

.tree-context-menu-item.ctx-danger {
  color: var(--error);
}

.tree-context-menu-item.ctx-danger:hover {
  background: var(--error-bg);
  color: var(--error);
}

.tree-context-menu-item .ctx-icon {
  font-size: 15px;
  flex-shrink: 0;
  width: 20px;
  text-align: center;
}

.tree-context-menu-sep {
  height: 1px;
  background: var(--border);
  margin: 4px 0;
}

/* Submenu (flyout) */
.ctx-has-submenu {
  position: relative;
}

.ctx-submenu-arrow {
  margin-left: auto;
  font-size: 9px;
  opacity: .6;
}

.ctx-submenu {
  display: none;
  position: absolute;
  left: 100%;
  top: -4px;
  min-width: 180px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-md);
  padding: 4px 0;
  z-index: 10001;
}

.ctx-has-submenu:hover > .ctx-submenu,
.ctx-has-submenu:focus-within > .ctx-submenu {
  display: block;
}

/* Flip submenu left if it would overflow viewport (handled by JS) */
.ctx-submenu.flip-left {
  left: auto;
  right: 100%;
}

.tree-children:empty {
  display: none;
}

.tree-loading {
  font-size: 11px;
  color: var(--text-muted);
  padding: 3px 6px;
  font-style: italic;
}

.tree-load-err {
  color: var(--error) !important;
  font-style: normal;
}

/* Responsive — narrow on tablet, hidden on phone */
@media (max-width: 900px) {
  .folder-tree:not(.tree-hidden) {
    width: 180px;
    min-width: 180px;
  }
}

@media (max-width: 640px) {
  .folder-tree { display: none !important; }
  #treeToggleBtn { display: none !important; }
}


/* ── New item modal ──────────────────────────────────────────── */

.new-type-toggle {
  display: flex;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  margin-bottom: 16px;
}

.new-type-btn {
  flex: 1;
  background: none;
  border: none;
  padding: 8px 12px;
  font-family: var(--font);
  font-size: 13px;
  font-weight: 500;
  color: var(--text-muted);
  cursor: pointer;
  border-right: 1px solid var(--border);
  transition: background .12s, color .12s;
}

.new-type-btn:last-child { border-right: none; }

.new-type-btn.active {
  background: var(--azure-blue-light);
  color: var(--azure-blue);
}

.new-type-btn:hover:not(.active) { background: var(--bg); color: var(--text); }

.new-file-textarea {
  height: 120px;
  resize: vertical;
  font-family: monospace;
  font-size: 13px;
  line-height: 1.5;
  background: var(--surface);
  color: var(--text);
  border-color: var(--border);
}

/* ── SAS generator modal ────────────────────────────────────── */

.modal-wide { max-width: 640px; }

.sas-item-info {
  font-size: 13px;
  font-weight: 600;
  color: var(--text);
  margin: 0 0 16px;
  padding: 8px 12px;
  background: var(--azure-blue-light);
  border-radius: var(--radius);
  border-left: 3px solid var(--azure-blue);
}

.sas-form { display: flex; flex-direction: column; gap: 14px; }

.sas-row  { display: flex; gap: 16px; flex-wrap: wrap; }

.sas-field {
  display: flex;
  flex-direction: column;
  gap: 5px;
  flex: 1;
  min-width: 160px;
}

.sas-field-full { flex-basis: 100%; min-width: 100%; }

.sas-datetime   { min-width: 0; }

.sas-required   { color: var(--error); }

.sas-hint {
  font-size: 11px;
  color: var(--text-muted);
  font-weight: 400;
}

.sas-perm-group {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  padding: 6px 0;
}

.sas-perm-label {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  cursor: pointer;
  user-select: none;
}

.sas-perm-label input[type="checkbox"] {
  width: 15px;
  height: 15px;
  cursor: pointer;
  accent-color: var(--azure-blue);
}

.sas-folder-note {
  font-size: 12px;
  color: var(--warn-text, #92400e);
  background: var(--warn-bg, #fffbeb);
  border: 1px solid var(--warn-border, #f59e0b);
  border-radius: var(--radius);
  padding: 8px 12px;
  margin-top: 10px;
}

.sas-result-wrap {
  margin-top: 14px;
  border-top: 1px solid var(--border);
  padding-top: 14px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.sas-result-row {
  display: flex;
  gap: 8px;
  align-items: flex-start;
}

.sas-result-textarea {
  min-height: 88px;
  font-size: 11px;
  font-family: monospace;
  word-break: break-all;
  resize: none;
  flex: 1;
}

.sas-copy-btn   { flex-shrink: 0; align-self: flex-start; }

.sas-expires-note {
  font-size: 11px;
  color: var(--text-muted);
  margin: 0;
}


/* ── File metadata subtitle ─────────────────────────────────── */
.file-name-group {
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.file-meta-info {
  font-size: 10px;
  color: var(--text-muted);
  margin-top: 2px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 360px;
}

/* ── File editor modal ──────────────────────────────────────── */
.edit-modal-body {
  display: flex;
  flex-direction: column;
  padding: 0;
  overflow: hidden;
  flex: 1 1 auto;
  min-height: 0;
}

.edit-textarea {
  flex: 1 1 auto;
  width: 100%;
  height: 100%;
  min-height: 0;
  resize: none;
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
  font-size: 13px;
  line-height: 1.5;
  border: none;
  outline: none;
  padding: 12px 16px;
  box-sizing: border-box;
  background: var(--bg);
  color: var(--text);
  tab-size: 2;
}

.edit-textarea:focus {
  box-shadow: inset 0 0 0 2px var(--azure-blue);
}

/* ── Help modal ───────────────────────────────────────── */
.help-modal-body {
  display: flex;
  flex-direction: column;
  gap: 0;
  max-height: 68vh;
  overflow-y: auto;
}

.help-section {
  padding: 16px 0;
  border-bottom: 1px solid var(--border);
}
.help-section:last-child { border-bottom: none; }

.help-heading {
  font-size: 14px;
  font-weight: 700;
  margin: 0 0 10px;
  color: var(--text);
}

.help-list {
  margin: 0;
  padding-left: 20px;
  font-size: 13px;
  color: var(--text);
  line-height: 1.7;
}
.help-list li { margin-bottom: 4px; }
.help-list li:last-child { margin-bottom: 0; }

.help-section > p {
  font-size: 13px;
  margin: 0;
  line-height: 1.6;
  color: var(--text);
}

.help-requires-writer {
  font-size: 11px;
  font-weight: 500;
  color: var(--text-muted);
  margin-left: 4px;
}

.help-badge {
  display: inline-block;
  padding: 1px 8px;
  border-radius: 10px;
  font-size: 12px;
  font-weight: 600;
  vertical-align: middle;
}
.help-badge-reader {
  background: var(--surface-alt, #f0f4f8);
  color: var(--text-muted);
  border: 1px solid var(--border);
}
.help-badge-writer {
  background: var(--azure-blue-light);
  color: var(--azure-blue);
  border: 1px solid var(--border);
}

/* ── Report viewer ────────────────────────────────────────── */

.report-modal {
  max-width: 95vw;
}

.report-header-actions {
  display: flex;
  align-items: center;
  gap: 6px;
}

.report-modal-body {
  min-height: 200px;
  max-height: 60vh;
  overflow: auto;
}

.report-empty {
  text-align: center;
  color: var(--text-muted);
  padding: 40px 20px;
  font-size: 14px;
}

.report-loading {
  text-align: center;
  padding: 40px 20px;
  color: var(--text-muted);
}

.report-spinner {
  display: inline-block;
  width: 18px;
  height: 18px;
  border: 2px solid var(--border);
  border-top-color: var(--azure-blue);
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
  vertical-align: middle;
  margin-right: 8px;
}

.report-summary {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 12px;
  padding: 10px 12px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: 13px;
}

.report-stat {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.report-stat-label {
  font-size: 11px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.report-stat-value {
  font-weight: 600;
  font-size: 15px;
}

.report-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 12px;
}

.report-table th {
  text-align: left;
  font-weight: 600;
  padding: 6px 8px;
  border-bottom: 2px solid var(--border);
  position: sticky;
  top: 0;
  background: var(--surface);
  white-space: nowrap;
  color: var(--text-muted);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.report-table td {
  padding: 5px 8px;
  border-bottom: 1px solid var(--border);
  vertical-align: top;
}

.report-table tr:hover td {
  background: var(--row-hover);
}

.report-table .report-col-type {
  white-space: nowrap;
  width: 50px;
}

.report-table .report-col-name {
  word-break: break-all;
  min-width: 120px;
}

.report-table .report-col-path {
  word-break: break-all;
  min-width: 140px;
  font-family: var(--font-mono, monospace);
  font-size: 11px;
  color: var(--text-muted);
}

.report-table .report-col-size {
  white-space: nowrap;
  text-align: right;
  width: 80px;
}

.report-table .report-col-type-label {
  display: inline-block;
  padding: 1px 6px;
  border-radius: 3px;
  font-size: 11px;
  font-weight: 600;
}

.report-type-folder { background: #fef3c7; color: #92400e; }
.report-type-file   { background: #dbeafe; color: #1d4ed8; }

[data-theme="dark"] .report-type-folder { background: #78350f; color: #fcd34d; }
[data-theme="dark"] .report-type-file   { background: #1e3a5f; color: #93c5fd; }

.report-filter-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 0;
  border-bottom: 1px solid var(--border);
  margin-bottom: 4px;
  flex-wrap: wrap;
}

.report-filter-input {
  font-family: inherit;
  font-size: 12px;
  padding: 3px 8px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  color: var(--text);
  flex: 1;
  min-width: 120px;
}

.report-filter-select {
  font-family: inherit;
  font-size: 12px;
  padding: 3px 8px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  color: var(--text);
  cursor: pointer;
}

.report-col-num {
  white-space: nowrap;
  text-align: right;
  font-family: var(--font-mono, monospace);
  font-size: 11px;
}

.report-col-url {
  word-break: break-all;
  font-size: 11px;
  max-width: 220px;
  overflow: hidden;
  text-overflow: ellipsis;
}

.report-col-url a {
  color: var(--azure-blue);
  text-decoration: none;
}
.report-col-url a:hover {
  text-decoration: underline;
}

.report-col-mono {
  font-family: var(--font-mono, monospace);
  font-size: 11px;
  white-space: nowrap;
  color: var(--text-muted);
}

/* ── Audit log viewer ─────────────────────────────────────── */

.audit-modal {
  max-width: 900px;
}

.audit-header-actions {
  display: flex;
  align-items: center;
  gap: 6px;
}

.audit-date-input {
  font-family: inherit;
  font-size: 13px;
  padding: 4px 8px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  color: var(--text);
  cursor: pointer;
}

.audit-modal-body {
  min-height: 200px;
  max-height: 60vh;
  overflow-y: auto;
}

.audit-empty {
  text-align: center;
  color: var(--text-muted);
  padding: 40px 20px;
  font-size: 14px;
}

.audit-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 12px;
}

.audit-table th {
  text-align: left;
  font-weight: 600;
  padding: 6px 8px;
  border-bottom: 2px solid var(--border);
  position: sticky;
  top: 0;
  background: var(--surface);
  white-space: nowrap;
  color: var(--text-muted);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.audit-table td {
  padding: 5px 8px;
  border-bottom: 1px solid var(--border);
  vertical-align: top;
}

.audit-table tr:hover td {
  background: var(--row-hover);
}

.audit-table .audit-col-time {
  white-space: nowrap;
  width: 160px;
  font-family: var(--font-mono, monospace);
  font-size: 11px;
  color: var(--text-muted);
}

.audit-table .audit-col-action {
  white-space: nowrap;
  width: 80px;
}

.audit-table .audit-col-user {
  white-space: nowrap;
  max-width: 180px;
  overflow: hidden;
  text-overflow: ellipsis;
}

.audit-table .audit-col-path {
  word-break: break-all;
  min-width: 140px;
  font-family: var(--font-mono, monospace);
  font-size: 11px;
}

.audit-table .audit-col-details {
  max-width: 200px;
  word-break: break-all;
  font-size: 11px;
  color: var(--text-muted);
}

.audit-action-badge {
  display: inline-block;
  padding: 1px 6px;
  border-radius: 3px;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
}

.audit-action-download  { background: #dbeafe; color: #1d4ed8; }
.audit-action-upload    { background: #d1fae5; color: #047857; }
.audit-action-delete    { background: #fee2e2; color: #b91c1c; }
.audit-action-edit      { background: #fef3c7; color: #92400e; }
.audit-action-rename    { background: #e0e7ff; color: #3730a3; }
.audit-action-copy      { background: #ede9fe; color: #5b21b6; }
.audit-action-move      { background: #fce7f3; color: #9d174d; }
.audit-action-sas       { background: #ffedd5; color: #c2410c; }
.audit-action-create    { background: #ccfbf1; color: #0f766e; }

[data-theme="dark"] .audit-action-download  { background: #1e3a5f; color: #93c5fd; }
[data-theme="dark"] .audit-action-upload    { background: #064e3b; color: #6ee7b7; }
[data-theme="dark"] .audit-action-delete    { background: #7f1d1d; color: #fca5a5; }
[data-theme="dark"] .audit-action-edit      { background: #78350f; color: #fcd34d; }
[data-theme="dark"] .audit-action-rename    { background: #312e81; color: #a5b4fc; }
[data-theme="dark"] .audit-action-copy      { background: #4c1d95; color: #c4b5fd; }
[data-theme="dark"] .audit-action-move      { background: #831843; color: #f9a8d4; }
[data-theme="dark"] .audit-action-sas       { background: #7c2d12; color: #fdba74; }
[data-theme="dark"] .audit-action-create    { background: #134e4a; color: #5eead4; }

.audit-loading {
  text-align: center;
  padding: 40px 20px;
  color: var(--text-muted);
}

.audit-spinner {
  display: inline-block;
  width: 18px;
  height: 18px;
  border: 2px solid var(--border);
  border-top-color: var(--azure-blue);
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
  vertical-align: middle;
  margin-right: 8px;
}

.audit-filter-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 0;
  border-bottom: 1px solid var(--border);
  margin-bottom: 4px;
  flex-wrap: wrap;
}

.audit-filter-input {
  font-family: inherit;
  font-size: 12px;
  padding: 3px 8px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  color: var(--text);
  flex: 1;
  min-width: 120px;
}

.audit-filter-select {
  font-family: inherit;
  font-size: 12px;
  padding: 3px 8px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  color: var(--text);
  cursor: pointer;
}

.audit-notice {
  flex: 1 1 100%;
  margin: 0 0 6px;
  font-size: 11px;
  color: var(--text-muted);
  line-height: 1.4;
}

/* ── Theme toggle button ──────────────────────────────────── */

.theme-toggle {
  /* inherits .btn .btn-secondary sizing — no extra overrides needed */
}

.sign-in-theme-toggle {
  position: absolute;
  top: 16px;
  right: 16px;
}

/* ── Dark mode — hardcoded-colour overrides ───────────────── */

[data-theme="dark"] .header {
  background: #0a1628;
}

[data-theme="dark"] .app-footer {
  background: #0a1628;
}

[data-theme="dark"] .sign-in-page {
  background: linear-gradient(135deg, #003f78 0%, #001a33 100%);
}

[data-theme="dark"] .loading-overlay {
  background: rgba(17,24,39,.85);
}

[data-theme="dark"] .header-info-bar {
  background: linear-gradient(180deg, var(--surface) 0%, var(--bg) 100%);
}

[data-theme="dark"] .tree-header {
  background: var(--surface-alt, #283345);
}

[data-theme="dark"] .file-table thead {
  background: var(--surface-alt, #283345);
}

[data-theme="dark"] .sas-badge-active {
  background: var(--warn-bg);
  color: var(--warn-text);
}

[data-theme="dark"] .sas-badge-expired {
  background: var(--error-bg);
  color: var(--error);
}

[data-theme="dark"] .view-image-container {
  background-color: var(--bg-checkerboard);
  background-image:
    linear-gradient(45deg, #2a2a3e 25%, transparent 25%),
    linear-gradient(-45deg, #2a2a3e 25%, transparent 25%),
    linear-gradient(45deg, transparent 75%, #2a2a3e 75%),
    linear-gradient(-45deg, transparent 75%, #2a2a3e 75%);
}

[data-theme="dark"] .toast {
  background: #e4e6ea;
  color: #111827;
}

/* ── Keyboard shortcuts reference ─────────────────────────── */

.shortcut-table      { width: 100%; border-collapse: collapse; margin-top: 8px; }
.shortcut-table td   { padding: 5px 8px; font-size: 13px; }
.shortcut-table tr + tr td { border-top: 1px solid var(--border); }
.shortcut-table td:first-child { white-space: nowrap; width: 1%; }
.shortcut-table kbd {
  display: inline-block;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 1px 6px;
  font-family: var(--font-mono, monospace);
  font-size: 12px;
  line-height: 1.5;
  color: var(--text);
  box-shadow: 0 1px 0 var(--border);
}