/* ============================================================
   Vector MediaCore — Main Stylesheet
   ============================================================ */

/* --- Reset & Base --- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --sidebar-w: 260px;
  --sidebar-bg: #0f172a;
  --sidebar-text: #cbd5e1;
  --sidebar-active: #6366f1;
  --sidebar-hover: #1e293b;
  --bg: #f8fafc;
  --surface: #ffffff;
  --text: #1e293b;
  --text-secondary: #64748b;
  --border: #e2e8f0;
  --accent: #6366f1;
  --accent-hover: #4f46e5;
  --danger: #ef4444;
  --danger-hover: #dc2626;
  --success: #22c55e;
  --radius: 8px;
  --radius-sm: 6px;
  --shadow: 0 1px 3px rgba(0,0,0,0.08);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.1);
  --transition: 150ms ease;
  --font: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
}

html { font-size: 14px; }
body {
  font-family: var(--font);
  color: var(--text);
  background: var(--bg);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--accent-hover); }
img { display: block; max-width: 100%; }
input, select, button { font-family: inherit; font-size: inherit; }

/* --- Layout --- */
.app-layout {
  min-height: 100vh;
}

/* --- Sidebar --- */
.sidebar {
  background: var(--sidebar-bg);
  color: var(--sidebar-text);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0; left: 0; bottom: 0;
  width: var(--sidebar-w);
  z-index: 100;
  overflow-y: auto;
  transition: transform var(--transition);
}
.sidebar-header { padding: 20px 16px 12px; }
.logo {
  font-size: 1.15rem;
  font-weight: 700;
  color: #fff;
  letter-spacing: -0.02em;
}
.sidebar-nav {
  flex: 1;
  padding: 4px 8px;
  overflow-y: auto;
}
.nav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  color: var(--sidebar-text);
  font-size: 0.92rem;
  transition: background var(--transition);
}
.nav-item:hover { background: var(--sidebar-hover); color: #fff; }
.nav-item.active { background: var(--sidebar-active); color: #fff; }
.sidebar-divider { height: 1px; background: rgba(255,255,255,0.08); margin: 8px 12px; }
.sidebar-label {
  padding: 8px 12px 4px;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: rgba(255,255,255,0.35);
  font-weight: 600;
}

/* Sidebar footer */
.sidebar-footer {
  padding: 12px 16px;
  border-top: 1px solid rgba(255,255,255,0.08);
}
.user-info { display: flex; flex-direction: column; gap: 2px; margin-bottom: 8px; }
.user-email { font-size: 0.85rem; color: #fff; font-weight: 500; }
.user-group { font-size: 0.75rem; color: var(--sidebar-text); text-transform: uppercase; letter-spacing: 0.05em; }
.logout-link { font-size: 0.85rem; padding: 6px 12px; }

/* Group switcher (superadmin sidebar) */
.group-switcher { margin-bottom: 10px; }
.group-switcher-select {
  width: 100%;
  padding: 6px 10px;
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: var(--radius-sm);
  background: var(--sidebar-hover);
  color: #fff;
  font-size: 0.85rem;
  cursor: pointer;
  outline: none;
}
.group-switcher-select:focus { border-color: var(--accent); }
.group-switcher-select option { background: var(--sidebar-bg); color: #fff; }

/* --- Folder Tree --- */
.folder-tree { padding: 0 4px; }
.tree-item { display: flex; flex-wrap: wrap; align-items: center; }
.tree-toggle {
  background: none; border: none; color: var(--sidebar-text);
  cursor: pointer; padding: 4px; display: flex; align-items: center;
  transition: transform var(--transition);
}
.tree-item.expanded > .tree-toggle { transform: rotate(90deg); }
.tree-spacer { width: 20px; }
.tree-link {
  display: flex; align-items: center; gap: 6px;
  padding: 4px 8px;
  border-radius: var(--radius-sm);
  color: var(--sidebar-text);
  font-size: 0.85rem;
  flex: 1;
  min-width: 0;
  white-space: nowrap;
}
.tree-link svg { flex-shrink: 0; }
.tree-label {
  overflow: hidden;
  text-overflow: ellipsis;
}
.tree-link:hover { background: var(--sidebar-hover); color: #fff; }
.tree-link.active { color: var(--sidebar-active); font-weight: 600; }
.tree-children { display: none; width: 100%; }
.tree-item.expanded > .tree-children { display: block; }

/* --- Main Content --- */
.main-content {
  margin-left: var(--sidebar-w);
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

/* --- Top Bar --- */
.top-bar {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 12px 24px;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 50;
}
.sidebar-toggle {
  display: none;
  background: none; border: none; cursor: pointer; color: var(--text);
  padding: 4px;
}
.search-box {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 8px 12px;
  flex: 1;
  max-width: 480px;
  transition: border-color var(--transition);
}
.search-box:focus-within { border-color: var(--accent); }
.search-box svg { color: var(--text-secondary); flex-shrink: 0; }
.search-box input {
  border: none; background: none; outline: none;
  width: 100%; color: var(--text); font-size: 0.92rem;
}
.search-box input::placeholder { color: var(--text-secondary); }
.toolbar { display: flex; align-items: center; gap: 8px; margin-left: auto; }

/* --- View Toggle --- */
.view-toggle { display: flex; background: var(--bg); border-radius: var(--radius-sm); border: 1px solid var(--border); }
.view-btn {
  background: none; border: none; cursor: pointer;
  padding: 6px 10px; color: var(--text-secondary);
  display: flex; align-items: center; transition: all var(--transition);
}
.view-btn:hover { color: var(--text); }
.view-btn.active { background: var(--accent); color: #fff; border-radius: var(--radius-sm); }

/* --- Filter Toggle Button --- */
.filter-toggle-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 14px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  font-size: 0.88rem;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition);
  white-space: nowrap;
  flex-shrink: 0;
}
.filter-toggle-btn:hover { border-color: var(--accent); color: var(--accent); }
.filter-toggle-btn.active {
  background: color-mix(in srgb, var(--accent) 10%, transparent);
  border-color: var(--accent);
  color: var(--accent);
}
.filter-toggle-btn svg { flex-shrink: 0; }
.filter-badge {
  background: var(--accent);
  color: #fff;
  font-size: 0.7rem;
  font-weight: 700;
  min-width: 18px;
  height: 18px;
  border-radius: 9px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 5px;
  line-height: 1;
}

/* --- Filter Panel --- */
.filter-panel {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  padding: 14px 24px;
  display: flex;
  align-items: flex-start;
  gap: 24px;
  flex-wrap: wrap;
  margin-left: var(--sidebar-w);
  animation: filterSlideDown 200ms ease;
}
@keyframes filterSlideDown {
  from { opacity: 0; transform: translateY(-8px); }
  to { opacity: 1; transform: translateY(0); }
}
.filter-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.filter-label {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-secondary);
  font-weight: 600;
}
.filter-pills {
  display: flex;
  gap: 4px;
  flex-wrap: wrap;
}
.filter-pill {
  padding: 5px 12px;
  border: 1px solid var(--border);
  border-radius: 20px;
  background: var(--surface);
  color: var(--text-secondary);
  font-size: 0.82rem;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition);
  white-space: nowrap;
}
.filter-pill:hover { border-color: var(--accent); color: var(--accent); }
.filter-pill.active {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}
.filter-pill.disabled {
  opacity: 0.4;
  cursor: not-allowed;
  pointer-events: none;
}
.date-custom-inputs {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-top: 4px;
}
.date-custom-inputs .input-inline {
  width: 140px;
  font-size: 0.82rem;
  padding: 5px 8px;
}
.filter-date-sep {
  color: var(--text-secondary);
  font-size: 0.82rem;
}
.uploader-select { position: relative; min-width: 180px; }
.uploader-select .picker-input { width: 100%; font-size: 0.82rem; padding: 5px 10px; }
.uploader-select .picker-dropdown { top: 100%; margin-top: 2px; width: 100%; }
.filter-disabled-wrap { position: relative; }
.filter-disabled-input {
  opacity: 0.5;
  cursor: not-allowed;
  font-size: 0.82rem;
  padding: 5px 10px;
  width: 180px;
}
.folder-scope-toggle {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.85rem;
  color: var(--text);
  cursor: pointer;
  white-space: nowrap;
}
.folder-scope-toggle input[type="checkbox"] {
  accent-color: var(--accent);
  width: 15px;
  height: 15px;
  cursor: pointer;
}
.filter-clear {
  color: var(--text-secondary);
  font-size: 0.82rem;
  font-weight: 500;
  align-self: flex-end;
  margin-top: auto;
  padding-top: 18px;
}
.filter-clear:hover { color: var(--danger); }

/* --- Content Area --- */
.content-area { padding: 20px 24px; flex: 1; }

/* --- Breadcrumbs --- */
.breadcrumbs {
  display: flex; align-items: center; gap: 6px;
  margin-bottom: 16px;
  font-size: 0.9rem;
  color: var(--text-secondary);
}
.breadcrumbs a { color: var(--text-secondary); }
.breadcrumbs a:hover { color: var(--accent); }
.breadcrumb-sep { color: var(--border); }
.breadcrumb-current { color: var(--text); font-weight: 600; }
.breadcrumb-count {
  margin-left: auto;
  font-size: 0.85rem;
  color: var(--text-secondary);
}

/* --- Subfolder Grid --- */
.subfolder-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 12px;
  margin-bottom: 24px;
}
.folder-card {
  display: flex; align-items: center; gap: 10px;
  padding: 12px 16px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  transition: all var(--transition);
}
.folder-card:hover {
  border-color: var(--accent);
  box-shadow: var(--shadow);
  color: var(--accent);
}
.folder-name {
  font-weight: 500;
  font-size: 0.9rem;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* --- Gallery Grid --- */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 16px;
}
.asset-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: all var(--transition);
  color: var(--text);
  display: block;
}
.asset-card:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--accent);
  transform: translateY(-2px);
}
.asset-thumb {
  aspect-ratio: 16 / 9;
  background: #f1f5f9;
  position: relative;
  overflow: hidden;
}
.asset-thumb img {
  width: 100%; height: 100%;
  object-fit: cover;
}
.thumb-placeholder {
  width: 100%; height: 100%;
  display: flex; align-items: center; justify-content: center;
  color: var(--text-secondary);
}
.asset-badge {
  position: absolute; bottom: 8px; right: 8px;
  background: rgba(0,0,0,0.7);
  color: #fff;
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 0.75rem;
  display: flex; align-items: center; gap: 4px;
}
.asset-info { padding: 10px 12px; }
.asset-name {
  font-size: 0.85rem;
  font-weight: 500;
  display: block;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* --- List / Grid View --- */
.list-header { overflow-x: auto; }
.asset-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--surface);
  border-radius: var(--radius);
  overflow: hidden;
}
.asset-table thead { background: var(--bg); }
.asset-table th {
  padding: 10px 12px;
  text-align: left;
  font-weight: 600;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  color: var(--text-secondary);
  border-bottom: 1px solid var(--border);
}
.th-sortable { cursor: pointer; user-select: none; }
.th-sortable:hover { color: var(--accent); }
.sort-arrow { font-size: 0.7rem; }
.th-thumb { width: 60px; }
.asset-row { cursor: pointer; transition: background var(--transition); }
.asset-row:hover { background: #f8fafc; }
.asset-row td {
  padding: 8px 12px;
  border-bottom: 1px solid var(--border);
  font-size: 0.88rem;
}
.row-thumb {
  width: 48px; height: 27px;
  object-fit: cover;
  border-radius: 4px;
}
.row-thumb-placeholder {
  width: 48px; height: 27px;
  background: var(--bg);
  border-radius: 4px;
}
.td-name { font-weight: 500; max-width: 300px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

/* --- Asset Detail --- */
.asset-detail { max-width: 1100px; }
.back-link {
  display: inline-flex; align-items: center; gap: 4px;
  color: var(--text-secondary);
  font-size: 0.9rem;
  margin-bottom: 16px;
}
.back-link:hover { color: var(--accent); }
.asset-detail-layout {
  display: grid;
  grid-template-columns: 1fr 360px;
  gap: 24px;
  min-width: 0;
}
.asset-preview {
  background: #000;
  border-radius: var(--radius);
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 300px;
}
.preview-image { max-height: 70vh; margin: 0 auto; }
.preview-video { width: 100%; max-height: 70vh; }
.preview-video-thumb { position: relative; display: inline-block; }
.video-overlay {
  position: absolute; inset: 0;
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 8px;
  background: rgba(0,0,0,0.4);
  color: #fff; font-size: 0.9rem;
  cursor: default;
}
.preview-placeholder {
  display: flex; flex-direction: column;
  align-items: center; gap: 8px;
  color: #64748b; padding: 40px;
}
.asset-title {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 16px;
  word-break: break-word;
}
.action-buttons { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 20px; }

/* Metadata */
.meta-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-bottom: 20px; }
.meta-item { display: flex; flex-direction: column; }
.meta-label { font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.04em; color: var(--text-secondary); font-weight: 600; }
.meta-value { font-size: 0.9rem; color: var(--text); margin-top: 2px; }
.meta-section { margin-bottom: 20px; }
.meta-section h3 { font-size: 0.85rem; text-transform: uppercase; letter-spacing: 0.04em; color: var(--text-secondary); margin-bottom: 8px; }
.asset-info-panel {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  overflow: hidden;
  min-width: 0;
}

/* --- Tags --- */
.tag-list { display: flex; flex-wrap: wrap; gap: 6px; align-items: center; }
.tag {
  display: inline-flex; align-items: center; gap: 4px;
  background: #eef2ff;
  color: var(--accent);
  padding: 4px 10px;
  border-radius: 20px;
  font-size: 0.8rem;
  font-weight: 500;
}
.tag-remove {
  background: none; border: none; cursor: pointer;
  color: var(--accent); font-size: 1rem; line-height: 1;
  opacity: 0.6;
}
.tag-remove:hover { opacity: 1; }
.tag-add-form { display: inline-flex; }
.tag-input {
  border: 1px dashed var(--border);
  background: none;
  border-radius: 20px;
  padding: 4px 10px;
  font-size: 0.8rem;
  width: 100px;
  outline: none;
  transition: border-color var(--transition);
}
.tag-input:focus { border-color: var(--accent); width: 140px; }

/* --- Collections --- */
.collection-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 12px;
}
.collection-card {
  display: flex; align-items: center; gap: 14px;
  padding: 14px 16px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  transition: all var(--transition);
}
.collection-card:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--accent);
}
/* 2x2 thumbnail mosaic (replaces plain icon) */
.collection-mosaic {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2px;
  width: 48px; height: 48px;
  flex-shrink: 0;
  border-radius: 6px;
  overflow: hidden;
}
.collection-mosaic img {
  width: 100%; height: 100%;
  object-fit: cover;
  display: block;
}
.mosaic-blank {
  background: var(--bg-muted);
}
/* Collection card multi-select */
.collection-card { position: relative; }
.select-checkbox-collection {
  position: absolute;
  top: 8px;
  left: 8px;
  z-index: 5;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
}
.select-checkbox-collection .cb-visual {
  width: 20px;
  height: 20px;
  border-radius: 4px;
  border: 2px solid var(--border);
  background: var(--surface);
  opacity: 0;
  transition: all var(--transition);
}
.collection-card:hover .select-checkbox-collection .cb-visual { opacity: 1; }
.select-checkbox-collection input:checked + .cb-visual {
  opacity: 1;
  background: var(--accent);
  border-color: var(--accent);
}
.collection-card.selected {
  border-color: var(--accent);
  box-shadow: 0 0 0 2px color-mix(in srgb, var(--accent) 30%, transparent);
}
.collection-info { min-width: 0; }
.collection-title {
  font-weight: 600; font-size: 0.95rem;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
  display: block;
}
.collection-meta { font-size: 0.8rem; color: var(--text-secondary); display: block; margin-top: 2px; }
.collection-actions { display: flex; gap: 8px; flex-wrap: wrap; }
.collection-stats { color: var(--text-secondary); margin-bottom: 16px; }
.public-badge { color: var(--success); font-weight: 600; }
.asset-card-wrapper { position: relative; }
.remove-item-btn {
  position: absolute; top: 8px; right: 8px;
  background: rgba(0,0,0,0.6); color: #fff;
  border: none; border-radius: 50%;
  width: 24px; height: 24px;
  cursor: pointer; font-size: 1rem;
  display: flex; align-items: center; justify-content: center;
  opacity: 0; transition: opacity var(--transition);
}
.asset-card-wrapper:hover .remove-item-btn { opacity: 1; }

/* --- Buttons --- */
.btn {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 8px 16px;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition);
  font-size: 0.88rem;
  text-decoration: none;
}
.btn-sm { padding: 5px 12px; font-size: 0.82rem; }
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent-hover); color: #fff; }
.btn-secondary { background: var(--surface); color: var(--text); border-color: var(--border); }
.btn-secondary:hover { background: var(--bg); border-color: var(--text-secondary); color: var(--text); }
.btn-danger { background: var(--danger); color: #fff; }
.btn-danger:hover { background: var(--danger-hover); color: #fff; }
.btn-ghost { background: none; color: var(--text-secondary); }
.btn-ghost:hover { color: var(--text); }
.btn-full { width: 100%; justify-content: center; }

/* --- Forms --- */
.form-group { margin-bottom: 16px; }
.form-group label { display: block; font-weight: 600; margin-bottom: 4px; font-size: 0.88rem; }
.form-group input,
.form-group select {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 0.92rem;
  background: var(--surface);
  color: var(--text);
  outline: none;
  transition: border-color var(--transition);
}
.form-group input:focus,
.form-group select:focus { border-color: var(--accent); }
.input-inline {
  padding: 6px 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 0.88rem;
  outline: none;
}
.input-inline:focus { border-color: var(--accent); }
.inline-form { display: inline-flex; gap: 6px; align-items: center; }
.add-collection-form { display: flex; gap: 6px; max-width: 100%; }
.add-collection-form select {
  padding: 5px 8px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  flex: 1;
  min-width: 0;
  max-width: 100%;
}

/* --- Auth Layout --- */
.auth-layout {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--sidebar-bg);
}
.auth-card {
  background: var(--surface);
  padding: 40px;
  border-radius: 12px;
  width: 100%;
  max-width: 400px;
  box-shadow: 0 8px 32px rgba(0,0,0,0.3);
}
.auth-logo {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 24px;
  text-align: center;
}
.auth-card h2 { text-align: center; margin-bottom: 24px; font-size: 1.3rem; }
.auth-footer { text-align: center; margin-top: 20px; color: var(--text-secondary); font-size: 0.88rem; }

/* --- Settings --- */
.settings-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  max-width: 440px;
}
.settings-card h2 { font-size: 1.1rem; font-weight: 600; margin-bottom: 16px; }
.auth-message { text-align: center; color: var(--text-secondary); line-height: 1.6; margin-bottom: 20px; }

/* --- Flash Messages --- */
.flash {
  padding: 10px 16px;
  border-radius: var(--radius-sm);
  margin-bottom: 16px;
  font-size: 0.9rem;
  font-weight: 500;
}
.flash-error { background: #fef2f2; color: #dc2626; border: 1px solid #fecaca; }
.flash-success { background: #f0fdf4; color: #16a34a; border: 1px solid #bbf7d0; }
.flash-info { background: #eff6ff; color: #2563eb; border: 1px solid #bfdbfe; }

/* --- Admin Tables --- */
.admin-table {
  width: 100%; border-collapse: collapse;
  background: var(--surface);
  border-radius: var(--radius);
  overflow: hidden;
}
.admin-table th {
  padding: 12px; text-align: left;
  font-weight: 600; font-size: 0.8rem;
  text-transform: uppercase; letter-spacing: 0.03em;
  color: var(--text-secondary);
  background: var(--bg);
  border-bottom: 1px solid var(--border);
}
.admin-table td {
  padding: 12px;
  border-bottom: 1px solid var(--border);
  font-size: 0.9rem;
}
.action-cell { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.action-cell select { padding: 4px 6px; font-size: 0.82rem; border: 1px solid var(--border); border-radius: 4px; }
.role-badge {
  padding: 2px 8px; border-radius: 12px;
  font-size: 0.75rem; font-weight: 600;
  text-transform: uppercase;
}
.role-admin { background: #fef3c7; color: #d97706; }
.role-user { background: #e0e7ff; color: #4f46e5; }
.td-id { font-family: monospace; font-size: 0.78rem; color: var(--text-secondary); max-width: 200px; overflow: hidden; text-overflow: ellipsis; }

/* --- Page Header --- */
.page-header {
  display: flex; align-items: center; gap: 16px;
  margin-bottom: 20px; flex-wrap: wrap;
}
.page-header h1 { font-size: 1.4rem; font-weight: 700; }

/* --- Loading & Empty States --- */
.scroll-sentinel, .scroll-sentinel-row td {
  text-align: center;
  padding: 24px;
}
.scroll-sentinel {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}
.loading-text {
  font-size: 0.8rem;
  color: var(--text-muted);
}
.loading-spinner {
  width: 24px; height: 24px;
  border: 3px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
  margin: 0 auto;
}
@keyframes spin { to { transform: rotate(360deg); } }
.empty-state {
  text-align: center;
  padding: 60px 20px;
  color: var(--text-secondary);
}
.load-more { text-align: center; padding: 24px; }

/* --- New Folder Form --- */
.new-folder-form {
  margin-bottom: 16px;
  padding: 12px 16px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}
.new-folder-form form { display: flex; gap: 8px; align-items: center; }

/* --- Public Layout --- */
.public-body { background: var(--sidebar-bg); }
.public-layout { max-width: 1200px; margin: 0 auto; padding: 40px 24px; }
.public-header { text-align: center; margin-bottom: 32px; color: #fff; }
.public-header .logo { font-size: 1rem; color: var(--accent); margin-bottom: 8px; }
.public-header h1 { font-size: 1.8rem; font-weight: 700; }
.public-header p { color: var(--sidebar-text); }
.public-gallery .asset-card { background: var(--sidebar-hover); border-color: rgba(255,255,255,0.1); }
.public-gallery .asset-name { color: #fff; }
.public-gallery .asset-info { display: flex; justify-content: space-between; align-items: center; }

/* --- Modal --- */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(4px);
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  animation: fadeIn 150ms ease;
}
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }

.modal {
  background: var(--surface);
  border-radius: 12px;
  width: 100%;
  max-width: 1100px;
  max-height: 90vh;
  overflow-y: auto;
  position: relative;
  box-shadow: 0 24px 64px rgba(0, 0, 0, 0.3);
  animation: slideUp 200ms ease;
}
@keyframes slideUp { from { transform: translateY(20px); opacity: 0; } to { transform: translateY(0); opacity: 1; } }

.modal-close {
  position: absolute;
  top: 12px;
  right: 16px;
  background: none;
  border: none;
  font-size: 1.8rem;
  color: var(--text-secondary);
  cursor: pointer;
  z-index: 10;
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  transition: all var(--transition);
}
.modal-close:hover { background: var(--bg); color: var(--text); }

.modal-body {
  display: grid;
  grid-template-columns: 1fr 360px;
  min-height: 0;
}

.modal-preview {
  background: #000;
  border-radius: 12px 0 0 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 350px;
  overflow: hidden;
}
.modal-preview .preview-image { max-height: 80vh; margin: 0 auto; }
.modal-preview .preview-video { width: 100%; max-height: 80vh; }
.modal-preview .preview-video-thumb { position: relative; }

.modal-info {
  padding: 24px;
  overflow-y: auto;
  max-height: 90vh;
  min-width: 0;
}
.modal-info .asset-title { padding-right: 32px; }
.asset-title-editable {
  cursor: pointer;
  border-bottom: 1px dashed transparent;
  transition: border-color var(--transition);
}
.asset-title-editable:hover { border-bottom-color: var(--border); }
.asset-rename-form {
  display: flex;
  gap: 6px;
  align-items: center;
  margin-bottom: 16px;
  padding-right: 32px;
}
.asset-rename-input {
  flex: 1;
  min-width: 0;
  padding: 6px 10px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 1rem;
  font-weight: 600;
  outline: none;
}
.asset-rename-input:focus { border-color: var(--accent); }
/* --- Collection Picker (searchable typeahead) --- */
.collection-picker { position: relative; }
.picker-input-wrap { display: flex; gap: 6px; }
.picker-input {
  flex: 1; min-width: 0;
  padding: 6px 10px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  background: var(--bg);
}
.picker-input:focus { outline: none; border-color: var(--accent); }
.picker-add-btn:disabled { opacity: 0.5; cursor: default; }
.picker-dropdown {
  display: none;
  position: absolute; left: 0; right: 0;
  top: 100%; margin-top: 2px;
  max-height: 160px; overflow-y: auto;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  box-shadow: 0 4px 12px rgba(0,0,0,0.08);
  z-index: 20;
}
.picker-dropdown.open { display: block; }
.picker-option {
  padding: 6px 10px;
  font-size: 0.8rem;
  cursor: pointer;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  color: var(--text);
}
.picker-option:hover { background: color-mix(in srgb, var(--accent) 12%, transparent); }
.picker-option.selected { background: color-mix(in srgb, var(--accent) 15%, transparent); font-weight: 600; }
.picker-option.hidden { display: none; }

/* --- Public Asset Page (no-auth share link) --- */
.public-asset {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-muted);
  padding: 24px;
}
.public-asset-card {
  background: var(--bg);
  border-radius: var(--radius-lg);
  box-shadow: 0 4px 24px rgba(0,0,0,0.08);
  overflow: hidden;
  max-width: 800px;
  width: 100%;
}
.public-preview {
  background: #000;
  display: flex;
  align-items: center;
  justify-content: center;
}
.public-preview .preview-image {
  max-height: 70vh;
  width: 100%;
  object-fit: contain;
}
.public-preview .preview-video {
  max-height: 70vh;
  width: 100%;
}
.public-info {
  padding: 24px;
}
.public-title {
  font-size: 1.1rem;
  font-weight: 600;
  margin: 0 0 16px 0;
  word-break: break-word;
}
.public-info .action-buttons {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

/* --- Multi-Select Checkboxes --- */
.select-checkbox {
  position: absolute;
  top: 8px;
  left: 8px;
  z-index: 5;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
}
.cb-visual {
  width: 22px;
  height: 22px;
  border-radius: 4px;
  border: 2px solid rgba(255,255,255,0.5);
  background: rgba(0,0,0,0.25);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition);
  opacity: 0;
}
.asset-card:hover .cb-visual,
.asset-row:hover .cb-visual { opacity: 1; }
input:checked + .cb-visual {
  opacity: 1;
  background: var(--accent);
  border-color: var(--accent);
}
input:checked + .cb-visual::after {
  content: '';
  width: 6px;
  height: 10px;
  border: solid #fff;
  border-width: 0 2px 2px 0;
  transform: rotate(45deg);
  margin-top: -2px;
}
.asset-card.selected {
  border-color: var(--accent);
  box-shadow: 0 0 0 2px color-mix(in srgb, var(--accent) 30%, transparent);
}
.asset-row.selected { background: color-mix(in srgb, var(--accent) 6%, transparent); }
.asset-row.selected td { border-bottom-color: color-mix(in srgb, var(--accent) 15%, transparent); }

/* List view checkbox column */
.select-checkbox-list {
  position: static;
}
.select-checkbox-list .cb-visual {
  border-color: var(--border);
  background: var(--surface);
  opacity: 0.4;
}
.asset-row:hover .select-checkbox-list .cb-visual { opacity: 1; }
.select-checkbox-list input:checked + .cb-visual {
  opacity: 1;
  background: var(--accent);
  border-color: var(--accent);
}
.th-select { width: 36px; }
.td-select { width: 36px; padding: 8px 4px 8px 12px; }

/* --- Selection Action Bar --- */
.selection-bar {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(calc(-50% + var(--sidebar-w) / 2));
  background: #1e293b;
  color: #fff;
  padding: 10px 20px;
  border-radius: 12px;
  box-shadow: 0 8px 32px rgba(0,0,0,0.3);
  display: flex;
  align-items: center;
  gap: 12px;
  z-index: 150;
  animation: barSlideUp 200ms ease;
  flex-wrap: wrap;
  max-width: calc(100vw - var(--sidebar-w) - 48px);
}
@keyframes barSlideUp { from { transform: translateX(calc(-50% + var(--sidebar-w) / 2)) translateY(20px); opacity: 0; } to { transform: translateX(calc(-50% + var(--sidebar-w) / 2)) translateY(0); opacity: 1; } }

.selection-count {
  font-weight: 600;
  font-size: 0.9rem;
  white-space: nowrap;
}
.selection-bar-group {
  display: flex;
  align-items: center;
  gap: 6px;
}
.bar-input {
  padding: 6px 10px;
  border: 1px solid rgba(255,255,255,0.2);
  border-radius: var(--radius-sm);
  background: rgba(255,255,255,0.1);
  color: #fff;
  font-size: 0.85rem;
  outline: none;
  width: 160px;
}
.bar-input::placeholder { color: rgba(255,255,255,0.5); }
.bar-input:focus { border-color: var(--accent); background: rgba(255,255,255,0.15); }

.bar-cancel { color: rgba(255,255,255,0.6); }
.bar-cancel:hover { color: #fff; }
.bar-clear { color: rgba(255,255,255,0.6); }
.bar-clear:hover { color: #fff; }

.bar-picker { position: relative; }
.bar-picker-dropdown {
  position: absolute;
  top: auto;
  bottom: 100%;
  left: 0;
  right: auto;
  margin-top: 0;
  margin-bottom: 6px;
  width: 220px;
  max-height: 200px;
  overflow-y: auto;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  box-shadow: 0 -4px 16px rgba(0,0,0,0.15);
  z-index: 160;
}
.bar-add-btn { white-space: nowrap; }
.bar-add-btn:disabled { opacity: 0.5; cursor: default; }

/* --- Selection Feedback Toast --- */
.selection-feedback {
  position: fixed;
  bottom: 80px;
  left: 50%;
  transform: translateX(calc(-50% + var(--sidebar-w) / 2));
  background: #1e293b;
  color: #fff;
  padding: 10px 20px;
  border-radius: 8px;
  font-size: 0.88rem;
  font-weight: 500;
  box-shadow: 0 4px 16px rgba(0,0,0,0.2);
  z-index: 160;
  opacity: 0;
  pointer-events: none;
  transition: opacity 300ms ease;
}
.selection-feedback.visible { opacity: 1; }

/* --- Upload Modal --- */
.upload-modal { max-width: 640px; }
.upload-modal-body { padding: 28px; }
.upload-modal-title { font-size: 1.2rem; font-weight: 700; margin-bottom: 20px; }

.upload-drop-zone {
  border: 2px dashed var(--border);
  border-radius: var(--radius);
  padding: 40px 24px;
  text-align: center;
  color: var(--text-secondary);
  transition: all var(--transition);
  cursor: pointer;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
}
.upload-drop-zone:hover,
.upload-drop-zone.dragover {
  border-color: var(--accent);
  background: color-mix(in srgb, var(--accent) 5%, transparent);
  color: var(--accent);
}
.drop-zone-text { font-size: 0.92rem; }
.drop-zone-text a { font-weight: 600; }

.upload-progress-overall { margin-top: 16px; }
.upload-progress-header {
  display: flex;
  justify-content: space-between;
  font-size: 0.82rem;
  color: var(--text-secondary);
  margin-bottom: 6px;
}
.upload-progress-track {
  height: 6px;
  background: var(--bg);
  border-radius: 3px;
  overflow: hidden;
}
.upload-progress-bar {
  height: 100%;
  background: var(--accent);
  border-radius: 3px;
  transition: width 200ms ease;
}

.upload-file-list {
  margin-top: 16px;
  max-height: 280px;
  overflow-y: auto;
}
.upload-file-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 0;
  border-bottom: 1px solid var(--border);
  font-size: 0.85rem;
}
.upload-file-item:last-child { border-bottom: none; }
.upload-file-name {
  flex: 1;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-weight: 500;
}
.upload-file-size {
  color: var(--text-secondary);
  font-size: 0.8rem;
  white-space: nowrap;
}
.upload-file-status { width: 24px; text-align: center; flex-shrink: 0; }
.upload-file-progress {
  width: 80px;
  flex-shrink: 0;
}
.upload-file-progress .upload-progress-track { height: 4px; }
.upload-file-retry {
  background: none;
  border: none;
  color: var(--accent);
  cursor: pointer;
  font-size: 0.8rem;
  font-weight: 600;
  padding: 0;
}
.upload-file-retry:hover { color: var(--accent-hover); }

.upload-status-queued { color: var(--text-secondary); }
.upload-status-uploading { color: var(--accent); }
.upload-status-done { color: var(--success); }
.upload-status-failed { color: var(--danger); }

.upload-actions {
  display: flex;
  gap: 8px;
  margin-top: 20px;
  justify-content: flex-end;
}

/* --- Tag Filter (Advanced Search Panel) --- */
.tag-filter-wrap { position: relative; min-width: 200px; }
.tag-filter-input-row { display: flex; align-items: center; gap: 6px; }
.tag-filter-input-row .picker-input { width: 140px; font-size: 0.82rem; padding: 5px 10px; }
.tag-filter-dropdown {
  width: 220px;
  max-height: 180px;
  overflow-y: auto;
  top: 100%;
  margin-top: 2px;
}
.tag-filter-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  max-height: 72px;
  overflow-y: auto;
}
.tag-mode-toggle { display: flex; gap: 2px; }
.tag-mode-pill {
  padding: 3px 8px !important;
  font-size: 0.75rem !important;
  min-width: 0;
}

/* --- Bulk Tag Popover (Selection Bar) --- */
.bar-tag-popover {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
}
.bar-tag-input-wrap { position: relative; }
.bar-tag-add-dropdown {
  position: absolute;
  bottom: 100%;
  left: 0;
  right: auto;
  top: auto;
  margin-top: 0;
  margin-bottom: 6px;
  width: 220px;
  max-height: 180px;
  overflow-y: auto;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  box-shadow: 0 -4px 16px rgba(0,0,0,0.15);
  z-index: 160;
}
.bar-tag-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  max-width: 300px;
}
.bar-tag-loading {
  color: rgba(255,255,255,0.5);
  font-size: 0.82rem;
  white-space: nowrap;
}
.bar-tag-popover .tag {
  font-size: 0.78rem;
  padding: 3px 8px;
}
.bar-tag-popover .tag-remove { font-size: 0.85rem; }

/* Selectable tag chips for bulk remove */
.tag-selectable {
  cursor: pointer;
  transition: all var(--transition);
  user-select: none;
}
.tag-selectable:hover {
  background: #dde3ff;
}
.tag-selected {
  background: var(--danger) !important;
  color: #fff !important;
}
.tag-selected:hover {
  background: var(--danger-hover) !important;
}

/* --- Processing States --- */
.thumb-processing {
  width: 100%; height: 100%;
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  gap: 8px;
  color: var(--text-secondary);
}
.processing-spinner {
  width: 28px; height: 28px;
  border: 3px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}
.processing-spinner-sm {
  width: 18px; height: 18px;
  border-width: 2px;
}
.processing-spinner-lg {
  width: 48px; height: 48px;
  border-width: 4px;
}
.processing-label {
  font-size: 0.75rem;
  color: var(--text-secondary);
}
.processing-badge {
  display: inline-block;
  background: color-mix(in srgb, var(--accent) 12%, transparent);
  color: var(--accent);
  font-size: 0.7rem;
  font-weight: 600;
  padding: 1px 7px;
  border-radius: 10px;
  margin-left: 6px;
  vertical-align: middle;
}
.row-thumb-processing {
  width: 48px; height: 27px;
  display: flex; align-items: center; justify-content: center;
  background: var(--bg);
  border-radius: 4px;
}
.preview-processing {
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  gap: 12px;
  color: #94a3b8;
  padding: 40px;
}
.asset-processing {
  opacity: 0.75;
}

/* --- Responsive --- */
@media (max-width: 768px) {
  .app-layout { grid-template-columns: 1fr; }
  .sidebar { transform: translateX(-100%); }
  .sidebar.open { transform: translateX(0); }
  .main-content { margin-left: 0; }
  .sidebar-toggle { display: flex; }
  .asset-detail-layout { grid-template-columns: 1fr; }
  .gallery-grid { grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); gap: 10px; }
  .top-bar { padding: 10px 16px; }
  .content-area { padding: 16px; }
  .modal-body { grid-template-columns: 1fr; }
  .modal-preview { border-radius: 12px 12px 0 0; min-height: 200px; }
  .modal { max-height: 95vh; }
  .modal-backdrop { padding: 8px; }
  .selection-bar {
    left: 12px;
    right: 12px;
    transform: none;
    max-width: none;
    bottom: 12px;
  }
  @keyframes barSlideUp { from { transform: translateY(20px); opacity: 0; } to { transform: translateY(0); opacity: 1; } }
  .selection-feedback {
    left: 12px;
    right: 12px;
    transform: none;
    text-align: center;
    bottom: 70px;
  }
  .bar-input { width: 120px; }
  .filter-panel {
    margin-left: 0;
    padding: 12px 16px;
    gap: 16px;
  }
  .filter-pills { overflow-x: auto; flex-wrap: nowrap; -webkit-overflow-scrolling: touch; }
  .filter-group { min-width: 0; }
  .date-custom-inputs .input-inline { width: 120px; }
  .uploader-select { min-width: 150px; }
}