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

:root {
  --font-sans: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

  --sidebar-width: 260px;
  --sidebar-collapsed-width: 72px;
  --topbar-height: 64px;

  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;

  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.25);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.35);
}

html,
body {
  height: 100%;
}

body {
  font-family: var(--font-sans);
  font-size: 14px;
  line-height: 1.5;
  color: var(--text-primary);
  background: var(--bg-app);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow: hidden;
}

button,
input {
  font: inherit;
  color: inherit;
}

button {
  cursor: pointer;
  border: none;
  background: none;
}

ul {
  list-style: none;
}

svg {
  width: 18px;
  height: 18px;
  fill: currentColor;
}

/* App shell layout */
.app-shell {
  display: flex;
  height: 100vh;
  overflow: hidden;
}

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

/* Sidebar */
.sidebar {
  width: var(--sidebar-width);
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  background: var(--bg-sidebar);
  border-right: 1px solid var(--border-subtle);
  transition: width 0.22s ease, opacity 0.22s ease, border-color 0.22s ease;
  overflow: hidden;
}

.app-shell.sidebar-closed .sidebar {
  width: 0;
  border-right-color: transparent;
  opacity: 0;
  pointer-events: none;
}

.sidebar-collapsed .sidebar {
  width: var(--sidebar-collapsed-width);
}

.sidebar-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 20px 16px 16px;
  border-bottom: 1px solid var(--border-subtle);
  flex-shrink: 0;
}

.sidebar-brand-text {
  flex: 1;
  min-width: 0;
}

.sidebar-logo {
  width: 36px;
  height: 36px;
  flex-shrink: 0;
  display: grid;
  place-items: center;
  background: linear-gradient(135deg, var(--accent), var(--accent-secondary));
  border-radius: var(--radius-md);
  color: var(--on-accent);
}

.sidebar-logo svg {
  width: 20px;
  height: 20px;
}

.sidebar-brand-text h1 {
  font-size: 15px;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.sidebar-brand-text span {
  font-size: 11px;
  color: var(--text-muted);
}

.sidebar-collapse-btn {
  width: 32px;
  height: 32px;
  flex-shrink: 0;
  display: grid;
  place-items: center;
  border-radius: var(--radius-sm);
  color: var(--text-muted);
  font-size: 16px;
  line-height: 1;
  transition: background 0.15s, color 0.15s;
}

.sidebar-collapse-btn:hover {
  background: var(--bg-sidebar-hover);
  color: var(--text-secondary);
}

.sidebar-collapsed .sidebar-brand {
  justify-content: center;
  padding-inline: 12px;
}

.sidebar-upload-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin: 16px;
  padding: 10px 14px;
  background: var(--accent);
  color: var(--on-accent);
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 13px;
  transition: background 0.15s;
}

.sidebar-upload-btn:hover {
  background: var(--accent-hover);
}

.sidebar-collapsed .sidebar-upload-btn {
  margin: 12px;
  padding: 10px;
}

.sidebar-content {
  flex: 1;
  overflow-y: auto;
  padding: 8px 12px;
}

.sidebar-section {
  margin-bottom: 20px;
}

.sidebar-section-title {
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  padding: 0 8px 8px;
}

.sidebar-collections-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding: 0 8px 8px;
}

.library-toolbar-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.sidebar-folders {
  list-style: none;
  margin-bottom: 4px;
}

.folder-row {
  display: flex;
  align-items: center;
  gap: 2px;
}

.folder-row .folder-item {
  flex: 1;
  min-width: 0;
}

.folder-delete-btn {
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  border-radius: var(--radius-sm);
  color: var(--text-muted);
  font-size: 18px;
  line-height: 1;
  opacity: 0;
  transition: opacity 0.15s, background 0.15s, color 0.15s;
}

.folder-row:hover .folder-delete-btn,
.folder-delete-btn:focus-visible {
  opacity: 1;
}

.folder-delete-btn:hover {
  background: var(--danger-bg);
  color: var(--danger-text);
}

.folder-item {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  padding: 8px 10px;
  border-radius: var(--radius-md);
  color: var(--text-secondary);
  font-size: 13px;
  font-weight: 500;
  transition: background 0.15s, color 0.15s;
  text-align: left;
}

.folder-item:hover {
  background: var(--bg-sidebar-hover);
  color: var(--text-primary);
}

.folder-item.active {
  background: var(--accent-muted);
  color: var(--accent-light);
}

.folder-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
}

.folder-name {
  flex: 1;
  min-width: 0;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.folder-count {
  margin-left: auto;
  font-size: 11px;
  color: var(--text-muted);
  flex-shrink: 0;
}

.folder-item.active .folder-count {
  color: var(--accent-lighter);
}

.sidebar-collapsed .folder-item {
  justify-content: center;
  padding-inline: 8px;
}

.nav-badge {
  margin-left: auto;
  background: rgba(255, 255, 255, 0.08);
  color: var(--text-muted);
  font-size: 11px;
  padding: 2px 8px;
  border-radius: 10px;
  font-weight: 500;
  flex-shrink: 0;
}

.sidebar-nav-muted {
  color: var(--text-muted);
  font-size: 12px;
  margin-top: 4px;
}

.sidebar-nav-muted:hover {
  color: var(--text-secondary);
}

.sidebar-nav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  padding: 9px 10px;
  border-radius: var(--radius-md);
  color: var(--text-secondary);
  font-size: 13px;
  font-weight: 500;
  transition: background 0.15s, color 0.15s;
}

.sidebar-nav-item:hover {
  background: var(--bg-sidebar-hover);
  color: var(--text-primary);
}

.sidebar-nav-item.active {
  background: var(--accent-muted);
  color: var(--accent-light);
}

.sidebar-nav-icon {
  display: grid;
  place-items: center;
  flex-shrink: 0;
  width: 20px;
}

.sidebar-collapsed .sidebar-nav-item {
  justify-content: center;
  padding-inline: 8px;
}

.sidebar-footer {
  padding: 12px;
  border-top: 1px solid var(--border-subtle);
}

/* Topbar */
.topbar {
  height: var(--topbar-height);
  flex-shrink: 0;
  display: flex;
  align-items: center;
  gap: 24px;
  padding: 0 24px;
  background: var(--bg-topbar);
  border-bottom: 1px solid var(--border-subtle);
}

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

.topbar-heading {
  min-width: 0;
}

.topbar-sidebar-toggle {
  width: 36px;
  height: 36px;
  flex-shrink: 0;
  display: none;
  place-items: center;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-subtle);
  background: var(--bg-elevated);
  color: var(--text-secondary);
  font-size: 16px;
  line-height: 1;
  transition: background 0.15s, color 0.15s, border-color 0.15s;
}

.topbar-sidebar-toggle:hover {
  background: var(--bg-panel);
  color: var(--text-primary);
  border-color: var(--border-default);
}

.app-shell.sidebar-closed .topbar-sidebar-toggle {
  display: grid;
}

.topbar-title {
  font-size: 16px;
  font-weight: 600;
  letter-spacing: -0.02em;
}

.topbar-subtitle {
  font-size: 11px;
  color: var(--text-muted);
}

.topbar-center {
  flex: 1;
  max-width: 520px;
}

.search-box {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 12px;
  background: var(--bg-elevated);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  color: var(--text-muted);
}

.search-box input {
  flex: 1;
  border: none;
  background: transparent;
  outline: none;
  color: var(--text-primary);
  font-size: 13px;
}

.search-box input::placeholder {
  color: var(--text-muted);
}

.search-box kbd {
  font-size: 10px;
  padding: 2px 6px;
  border-radius: 4px;
  background: var(--bg-sidebar);
  border: 1px solid var(--border-default);
  color: var(--text-muted);
}

.topbar-right {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-left: auto;
}

.theme-picker {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 4px 8px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-subtle);
  background: var(--bg-elevated);
}

.theme-picker-label {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-muted);
}

.theme-picker select {
  padding: 6px 8px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-default);
  background: var(--bg-panel);
  color: var(--text-primary);
  font-size: 12px;
  cursor: pointer;
}

.theme-picker select:focus {
  outline: none;
  border-color: var(--accent-border);
  box-shadow: 0 0 0 2px var(--accent-focus);
}

.topbar-icon-btn {
  width: 36px;
  height: 36px;
  display: grid;
  place-items: center;
  border-radius: var(--radius-md);
  color: var(--text-secondary);
  transition: background 0.15s, color 0.15s;
}

.topbar-icon-btn:hover {
  background: var(--bg-elevated);
  color: var(--text-primary);
}

.topbar-user {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 4px 8px 4px 4px;
  border-radius: var(--radius-md);
  margin-left: 4px;
}

.topbar-avatar {
  width: 32px;
  height: 32px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--accent-secondary));
  font-size: 11px;
  font-weight: 700;
  color: var(--on-accent);
}

.topbar-user-info {
  display: flex;
  flex-direction: column;
}

.topbar-user-name {
  font-size: 12px;
  font-weight: 600;
}

.topbar-user-role {
  font-size: 10px;
  color: var(--text-muted);
}

/* Main content */
.main-content {
  flex: 1;
  overflow-y: auto;
  padding: 24px;
  background: var(--bg-main);
}

.content-hero {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 24px;
  padding: 24px;
  margin-bottom: 24px;
  background: linear-gradient(135deg, rgba(var(--accent-rgb), 0.12), rgba(var(--accent-secondary-rgb), 0.08));
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
}

.content-hero h3 {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 8px;
  letter-spacing: -0.02em;
}

.content-hero p {
  color: var(--text-secondary);
  max-width: 560px;
  font-size: 14px;
}

.primary-btn {
  flex-shrink: 0;
  padding: 10px 18px;
  background: var(--accent);
  color: var(--on-accent);
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 13px;
  transition: background 0.15s;
}

.primary-btn:hover {
  background: var(--accent-hover);
}

.stat-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-bottom: 24px;
}

/* Dashboard */
.dashboard-header {
  margin-bottom: 24px;
}

.dashboard-header h3 {
  font-size: 22px;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 6px;
}

.dashboard-header p {
  color: var(--text-secondary);
  font-size: 14px;
}

.dashboard-panels {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 20px;
}

.kpi-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-bottom: 24px;
}

.kpi-card {
  padding: 20px;
  background: var(--bg-panel);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  transition: transform 0.15s, box-shadow 0.15s;
}

.kpi-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.kpi-icon {
  width: 40px;
  height: 40px;
  display: grid;
  place-items: center;
  border-radius: var(--radius-md);
  margin-bottom: 14px;
}

.kpi-icon svg {
  width: 20px;
  height: 20px;
}

.kpi-indigo .kpi-icon {
  background: var(--accent-muted);
  color: var(--accent-light);
}

.kpi-pink .kpi-icon {
  background: var(--pink-bg);
  color: var(--pink-text);
}

.kpi-emerald .kpi-icon {
  background: var(--success-bg);
  color: var(--success-text);
}

.kpi-amber .kpi-icon {
  background: var(--warning-bg);
  color: var(--warning-text);
}

.kpi-value {
  font-size: 28px;
  font-weight: 700;
  letter-spacing: -0.03em;
  margin-bottom: 2px;
}

.kpi-label {
  font-size: 13px;
  color: var(--text-secondary);
  font-weight: 500;
  margin-bottom: 4px;
}

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

.panel-count {
  font-size: 11px;
  color: var(--text-muted);
}

.content-panel .recent-list,
.content-panel .activity-feed {
  padding: 8px 12px 16px;
}

.recent-list {
  display: flex;
  flex-direction: column;
  gap: 4px;
  list-style: none;
}

.recent-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 8px;
  border-radius: var(--radius-md);
  transition: background 0.15s;
}

.recent-item:hover {
  background: var(--bg-elevated);
}

.recent-thumb {
  width: 44px;
  height: 44px;
  flex-shrink: 0;
  display: grid;
  place-items: center;
  border-radius: var(--radius-sm);
  background: var(--bg-elevated);
  overflow: hidden;
  color: var(--text-muted);
}

.recent-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.recent-thumb svg {
  width: 18px;
  height: 18px;
}

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

.recent-name {
  font-size: 13px;
  font-weight: 600;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  margin-bottom: 2px;
}

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

.recent-date {
  flex-shrink: 0;
  font-size: 11px;
  color: var(--text-muted);
}

.activity-feed {
  display: flex;
  flex-direction: column;
  gap: 4px;
  list-style: none;
}

.activity-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 8px;
  border-radius: var(--radius-md);
  transition: background 0.15s;
}

.activity-item:hover {
  background: var(--bg-elevated);
}

.activity-avatar {
  width: 32px;
  height: 32px;
  flex-shrink: 0;
  display: grid;
  place-items: center;
  border-radius: 50%;
  font-size: 11px;
  font-weight: 700;
  color: var(--on-accent);
}

.activity-body {
  flex: 1;
  font-size: 13px;
  line-height: 1.5;
  color: var(--text-secondary);
}

.activity-body strong {
  color: var(--text-primary);
  font-weight: 600;
}

.activity-target {
  font-weight: 600;
  color: var(--accent-light);
}

.activity-time {
  font-size: 11px;
  color: var(--text-muted);
  margin-top: 2px;
}

.activity-icon {
  width: 26px;
  height: 26px;
  flex-shrink: 0;
  display: grid;
  place-items: center;
  border-radius: 50%;
}

.activity-icon svg {
  width: 12px;
  height: 12px;
}

.activity-upload {
  background: var(--accent-muted);
  color: var(--accent-light);
}

.activity-share {
  background: var(--success-bg);
  color: var(--success-text);
}

.activity-edit {
  background: var(--warning-bg);
  color: var(--warning-text);
}

.activity-download {
  background: var(--info-bg);
  color: var(--info-text);
}

.activity-comment {
  background: var(--pink-bg);
  color: var(--pink-text);
}

.activity-version {
  background: var(--purple-bg);
  color: var(--purple-text);
}

.empty-state.compact {
  padding: 32px 24px;
}

.stat-card {
  padding: 18px;
  background: var(--bg-panel);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
}

.stat-label {
  font-size: 12px;
  color: var(--text-muted);
  margin-bottom: 6px;
}

.stat-value {
  font-size: 24px;
  font-weight: 700;
  letter-spacing: -0.03em;
  margin-bottom: 4px;
}

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

.content-panel {
  background: var(--bg-panel);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

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

.panel-header h4 {
  font-size: 14px;
  font-weight: 600;
}

.panel-badge {
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 3px 8px;
  border-radius: 999px;
  background: var(--accent-muted);
  color: var(--accent-light);
}

.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 48px 24px;
  color: var(--text-secondary);
}

.empty-state-icon {
  width: 56px;
  height: 56px;
  display: grid;
  place-items: center;
  margin-bottom: 16px;
  border-radius: var(--radius-lg);
  background: var(--bg-elevated);
  color: var(--text-muted);
}

.empty-state-icon svg {
  width: 28px;
  height: 28px;
}

.empty-state h5 {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 6px;
}

.empty-state p {
  font-size: 13px;
  color: var(--text-muted);
  max-width: 320px;
}

.placeholder-view {
  min-height: 400px;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* View pages */
.view-header {
  margin-bottom: 20px;
}

.view-title {
  font-size: 22px;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 6px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.view-count {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-muted);
  background: var(--bg-elevated);
  border: 1px solid var(--border-subtle);
  padding: 2px 10px;
  border-radius: 999px;
}

.view-subtitle {
  color: var(--text-secondary);
  font-size: 14px;
}

.view-panel {
  padding: 20px;
}

.trash-panel .empty-state {
  min-height: 280px;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.view-header-row {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
}

.view-header-actions {
  flex-shrink: 0;
}

.view-toggle {
  display: inline-flex;
  padding: 3px;
  background: var(--bg-elevated);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
}

.view-toggle-btn {
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  border-radius: var(--radius-sm);
  color: var(--text-muted);
  transition: background 0.15s, color 0.15s;
}

.view-toggle-btn svg {
  width: 16px;
  height: 16px;
}

.view-toggle-btn:hover {
  color: var(--text-secondary);
}

.view-toggle-btn.active {
  background: var(--accent-muted);
  color: var(--accent-light);
}

.library-panel {
  padding: 16px;
}

.library-filter-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  flex-wrap: wrap;
  padding: 12px 14px;
  margin-bottom: 16px;
  background: var(--bg-panel);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
}

.filter-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.filter-chip {
  padding: 7px 12px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 500;
  color: var(--text-secondary);
  background: var(--bg-elevated);
  border: 1px solid var(--border-subtle);
  transition: background 0.15s, color 0.15s, border-color 0.15s;
}

.filter-chip:hover {
  color: var(--text-primary);
  border-color: var(--border-default);
}

.filter-chip.active {
  background: var(--accent-muted);
  border-color: var(--accent-border);
  color: var(--accent-light);
}

.filter-controls {
  display: flex;
  gap: 8px;
  align-items: center;
}

.filter-select {
  padding: 8px 12px;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  background: var(--bg-elevated);
  color: var(--text-primary);
  font-size: 13px;
  outline: none;
  cursor: pointer;
}

.filter-select:focus {
  border-color: var(--accent);
}

.selection-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 10px 14px;
  margin-bottom: 16px;
  background: var(--accent-subtle-bg);
  border: 1px solid var(--accent-border);
  border-radius: var(--radius-lg);
  font-size: 13px;
  color: var(--text-secondary);
}

.selection-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
}

.selection-btn {
  padding: 6px 10px;
  border-radius: var(--radius-sm);
  font-size: 12px;
  font-weight: 500;
  color: var(--text-secondary);
  transition: background 0.15s, color 0.15s;
}

.selection-btn:hover {
  background: var(--bg-elevated);
  color: var(--text-primary);
}

.selection-btn-danger:hover {
  color: var(--danger-text);
}

.selection-btn-icon {
  width: 30px;
  height: 30px;
  display: grid;
  place-items: center;
  padding: 0;
}

.selection-btn-icon svg {
  width: 14px;
  height: 14px;
  stroke: currentColor;
  fill: none;
  stroke-width: 2;
}

/* Asset library grid */
.asset-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 16px;
}

.asset-card {
  position: relative;
  display: flex;
  flex-direction: column;
  background: var(--bg-elevated);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: transform 0.15s, box-shadow 0.15s, border-color 0.15s;
}

.asset-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  border-color: var(--accent-border);
}

.asset-card.selected {
  border-color: var(--accent);
  box-shadow: 0 0 0 2px var(--accent-focus);
}

.asset-select {
  position: absolute;
  top: 10px;
  left: 10px;
  z-index: 3;
  cursor: pointer;
}

.asset-select input {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}

.asset-select-mark {
  width: 20px;
  height: 20px;
  display: grid;
  place-items: center;
  border-radius: 5px;
  background: var(--accent-overlay);
  border: 1px solid rgba(255, 255, 255, 0.25);
  opacity: 0;
  transition: opacity 0.15s, background 0.15s;
}

.asset-select-mark::after {
  content: '';
  width: 8px;
  height: 4px;
  border-left: 2px solid var(--on-accent);
  border-bottom: 2px solid var(--on-accent);
  transform: rotate(-45deg) translateY(-1px);
  opacity: 0;
}

.asset-card:hover .asset-select-mark,
.asset-card.selected .asset-select-mark,
.asset-select input:focus-visible + .asset-select-mark {
  opacity: 1;
}

.asset-select input:checked + .asset-select-mark {
  opacity: 1;
  background: var(--accent);
  border-color: var(--accent);
}

.asset-select input:checked + .asset-select-mark::after {
  opacity: 1;
}

.asset-thumb {
  position: relative;
  aspect-ratio: 4 / 3;
  background: var(--bg-sidebar);
  overflow: hidden;
}

.asset-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s ease;
}

.asset-card:hover .asset-thumb img {
  transform: scale(1.04);
}

.asset-thumb-generic {
  display: grid;
  place-items: center;
  color: var(--text-muted);
  background: linear-gradient(
    135deg,
    var(--bg-sidebar) 0%,
    rgba(var(--accent-rgb), 0.12) 100%
  );
}

.asset-thumb-generic svg {
  width: 40px;
  height: 40px;
  opacity: 0.55;
}

.asset-format {
  position: absolute;
  bottom: 10px;
  left: 10px;
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  padding: 3px 7px;
  border-radius: 4px;
  background: rgba(0, 0, 0, 0.6);
  color: var(--on-accent);
}

.asset-body {
  padding: 12px 14px 14px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  min-width: 0;
}

.asset-name {
  font-size: 13px;
  font-weight: 600;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.asset-type-label {
  font-size: 11px;
  color: var(--text-muted);
}

.asset-status-pill {
  align-self: flex-start;
  font-size: 10px;
  font-weight: 600;
  text-transform: capitalize;
  padding: 2px 8px;
  border-radius: 999px;
}

.asset-status-approved {
  background: var(--success-bg);
  color: var(--success-text);
}

.asset-status-pending {
  background: var(--warning-bg);
  color: var(--warning-text);
}

.asset-status-draft {
  background: var(--neutral-bg);
  color: var(--neutral-text);
}

.asset-uploader {
  font-size: 11px;
  color: var(--text-muted);
}

.asset-meta {
  display: flex;
  justify-content: space-between;
  gap: 8px;
  font-size: 11px;
  color: var(--text-muted);
}

.asset-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
}

.asset-tag {
  font-size: 10px;
  padding: 2px 6px;
  border-radius: 4px;
  background: var(--bg-panel);
  color: var(--text-secondary);
  border: 1px solid var(--border-subtle);
}

.asset-star-btn {
  position: absolute;
  top: 10px;
  right: 10px;
  z-index: 3;
  width: 30px;
  height: 30px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: var(--accent-overlay);
  color: var(--text-muted);
  opacity: 0;
  transition: opacity 0.15s, color 0.15s, background 0.15s;
}

.asset-star-btn svg {
  width: 14px;
  height: 14px;
}

.asset-card:hover .asset-star-btn,
.asset-star-btn.starred,
.asset-star-btn:focus-visible {
  opacity: 1;
}

.asset-star-btn:hover,
.asset-star-btn.starred {
  color: var(--warning-text);
}

.asset-star-btn.starred {
  opacity: 1;
  background: var(--accent-overlay-heavy);
}

/* List view */
.asset-grid.list-mode {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.asset-list-header {
  display: grid;
  grid-template-columns: 28px 56px minmax(140px, 1.5fr) 90px 90px 120px 90px minmax(120px, 1fr) 32px;
  gap: 12px;
  padding: 0 12px 8px;
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-muted);
}

.asset-card-list {
  display: grid;
  grid-template-columns: 28px 56px minmax(140px, 1.5fr) 90px 90px 120px 90px minmax(120px, 1fr) 32px;
  align-items: center;
  gap: 12px;
  padding: 10px 12px;
  overflow: visible;
}

.asset-card-list:hover {
  transform: none;
}

.asset-card-list .asset-select {
  position: static;
}

.asset-card-list .asset-select-mark {
  opacity: 1;
  background: var(--bg-panel);
  border-color: var(--border-default);
}

.asset-card-list .asset-thumb {
  width: 56px;
  height: 42px;
  aspect-ratio: auto;
  border-radius: var(--radius-sm);
}

.asset-card-list .asset-body-list {
  display: contents;
}

.asset-card-list .asset-name,
.asset-card-list .asset-type-label,
.asset-card-list .asset-status-pill,
.asset-card-list .asset-uploader,
.asset-card-list .asset-meta,
.asset-card-list .asset-tags {
  margin: 0;
  min-width: 0;
}

.asset-card-list .asset-name {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.asset-card-list .asset-meta {
  flex-direction: column;
  align-items: flex-start;
  gap: 2px;
}

.asset-card-list .asset-downloads {
  font-size: 10px;
}

.asset-card-list .asset-star-btn {
  position: static;
  opacity: 1;
  background: transparent;
}

.asset-card-list.selected .asset-select-mark,
.asset-card-list:hover .asset-select-mark {
  opacity: 1;
}

/* Users table */
.role-legend {
  display: grid;
  gap: 8px;
  margin-bottom: 20px;
  padding: 16px;
  background: var(--bg-elevated);
  border-radius: var(--radius-md);
  font-size: 12px;
  color: var(--text-secondary);
}

.role-dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  margin-right: 8px;
}

.role-admin {
  background: var(--kpi-1);
}

.role-editor {
  background: var(--kpi-2);
}

.role-contributor {
  background: var(--kpi-3);
}

.role-viewer {
  background: var(--kpi-4);
}

.table-wrap {
  overflow-x: auto;
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}

.data-table th {
  text-align: left;
  padding: 10px 12px;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  border-bottom: 1px solid var(--border-subtle);
}

.data-table td {
  padding: 12px;
  border-bottom: 1px solid var(--border-subtle);
  color: var(--text-secondary);
}

.data-table tbody tr:hover {
  background: var(--bg-elevated);
}

.table-user {
  display: flex;
  align-items: center;
  gap: 10px;
}

.table-avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-size: 11px;
  font-weight: 700;
  color: var(--on-accent);
  flex-shrink: 0;
}

.table-user-name {
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 2px;
}

.table-user-email {
  font-size: 11px;
  color: var(--text-muted);
}

.role-pill {
  display: inline-block;
  font-size: 11px;
  font-weight: 600;
  padding: 3px 8px;
  border-radius: 999px;
}

.role-pill-admin {
  background: var(--accent-muted);
  color: var(--accent-light);
}

.role-pill-editor {
  background: var(--pink-bg);
  color: var(--pink-text);
}

.role-pill-contributor {
  background: var(--warning-bg);
  color: var(--warning-text);
}

.role-pill-viewer {
  background: var(--success-bg);
  color: var(--success-text);
}

@media (max-width: 1100px) {
  .stat-grid,
  .kpi-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .dashboard-panels {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .topbar-center,
  .topbar-user-info {
    display: none;
  }

  .stat-grid,
  .kpi-grid {
    grid-template-columns: 1fr;
  }
}

/* Auth */
.loading-screen,
.login-page {
  min-height: 100vh;
  display: grid;
  place-items: center;
  background: var(--bg-app);
  color: var(--text-secondary);
}

.login-card {
  width: min(420px, calc(100vw - 32px));
  padding: 32px;
  background: var(--bg-panel);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}

.login-brand {
  text-align: center;
  margin-bottom: 24px;
}

.login-brand h1 {
  font-size: 22px;
  margin: 12px 0 4px;
}

.login-brand p {
  color: var(--text-muted);
  font-size: 14px;
}

.login-form {
  display: grid;
  gap: 14px;
}

.login-form label {
  display: grid;
  gap: 6px;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-secondary);
}

.login-form input {
  padding: 10px 12px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-subtle);
  background: var(--bg-elevated);
  color: var(--text-primary);
}

.login-error {
  color: var(--danger-text);
  font-size: 13px;
}

.login-submit {
  width: 100%;
  margin-top: 4px;
}

.login-demo {
  margin-top: 24px;
  padding-top: 16px;
  border-top: 1px solid var(--border-subtle);
  font-size: 12px;
  color: var(--text-muted);
}

.login-demo-title {
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--text-secondary);
}

.login-demo ul {
  list-style: none;
  display: grid;
  gap: 4px;
}

.topbar-logout-btn {
  padding: 8px 12px;
  border-radius: var(--radius-md);
  font-size: 12px;
  font-weight: 600;
  color: var(--text-secondary);
  border: 1px solid var(--border-subtle);
  transition: background 0.15s, color 0.15s;
}

.topbar-logout-btn:hover {
  background: var(--bg-elevated);
  color: var(--text-primary);
}

.trash-list {
  list-style: none;
  display: grid;
  gap: 8px;
}

.trash-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px;
  border-radius: var(--radius-md);
  background: var(--bg-elevated);
}

.trash-item-name {
  font-weight: 600;
  margin-bottom: 4px;
}

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

.trash-item-actions {
  display: flex;
  gap: 6px;
}

/* PHP app extras */
.brand-mark {
  width: 48px;
  height: 48px;
  margin: 0 auto 8px;
  display: grid;
  place-items: center;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, var(--accent), var(--accent-secondary));
  color: var(--on-accent);
  font-weight: 700;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 8px 14px;
  border-radius: var(--radius-md);
  font-size: 13px;
  font-weight: 600;
  border: 1px solid transparent;
}

.btn-primary {
  background: var(--accent);
  color: var(--on-accent);
}

.btn-primary:hover {
  background: var(--accent-hover);
}

.btn-ghost {
  background: transparent;
  border-color: var(--border-subtle);
  color: var(--text-secondary);
}

.btn-danger {
  background: var(--danger-bg);
  color: var(--danger-text);
}

.btn-sm {
  padding: 6px 10px;
  font-size: 12px;
}

.modal {
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  background: var(--bg-panel);
  color: var(--text-primary);
  padding: 24px;
  max-width: 480px;
  width: calc(100vw - 32px);
}

.modal-lg {
  max-width: 720px;
}

.modal::backdrop {
  background: var(--scrim);
}

.modal form {
  display: grid;
  gap: 12px;
}

.modal label {
  display: grid;
  gap: 6px;
  font-size: 13px;
}

.modal input,
.modal select,
.modal textarea {
  padding: 10px 12px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-subtle);
  background: var(--bg-elevated);
  color: var(--text-primary);
}

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

.library-toolbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
  flex-wrap: wrap;
}

.library-filters {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.library-filters select {
  padding: 8px 10px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-subtle);
  background: var(--bg-elevated);
  color: var(--text-primary);
}

.view-toggle {
  display: flex;
  gap: 4px;
}

.view-btn {
  padding: 8px 12px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
}

.view-btn.active {
  background: var(--accent-muted);
  color: var(--accent-light);
}

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

.activity-list {
  list-style: none;
  display: grid;
  gap: 10px;
}

.activity-item {
  padding: 12px 14px;
  background: var(--bg-elevated);
  border-radius: var(--radius-md);
}

.activity-time {
  display: block;
  font-size: 11px;
  color: var(--text-muted);
  margin-top: 4px;
}

.panel {
  background: var(--bg-panel);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 20px;
}

.panel h3 {
  margin-bottom: 16px;
}

.upload-mode-tabs {
  display: flex;
  gap: 6px;
  margin-bottom: 10px;
  flex-wrap: wrap;
}

.upload-mode-btn {
  padding: 8px 12px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  font-size: 12px;
  font-weight: 600;
}

.upload-mode-btn.active {
  background: var(--accent-muted);
  color: var(--accent-light);
  border-color: var(--accent-border);
}

.upload-mode-hint {
  font-size: 12px;
  color: var(--text-muted);
  margin-bottom: 12px;
}

.upload-collection-empty {
  font-size: 13px;
  margin: 0 0 12px;
}

.upload-picker-label {
  display: grid;
  gap: 8px;
  padding: 12px;
  border: 1px dashed var(--border-default);
  border-radius: var(--radius-md);
  background: var(--bg-elevated);
  cursor: pointer;
}

.upload-picker-label input[type="file"] {
  font-size: 12px;
}

.upload-file-count {
  font-size: 12px;
  color: var(--text-secondary);
  margin: 8px 0;
}

.upload-progress {
  margin-top: 12px;
}

.upload-progress-bar {
  height: 8px;
  background: var(--bg-elevated);
  border-radius: 999px;
  overflow: hidden;
}

.upload-progress-fill {
  height: 100%;
  width: 0;
  background: var(--accent);
  transition: width 0.2s ease;
}

.upload-progress-text {
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 6px;
}

.upload-subfolder-detect {
  font-size: 12px;
  color: var(--text-secondary);
  margin: 0 0 12px;
}

.collection-breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 12px;
  font-size: 13px;
  color: var(--text-secondary);
}

.breadcrumb-link {
  color: var(--accent-light);
  font-weight: 500;
}

.breadcrumb-link:hover {
  text-decoration: underline;
}

.breadcrumb-sep {
  color: var(--text-muted);
}

.breadcrumb-current {
  color: var(--text-primary);
  font-weight: 500;
}

.library-section-title {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-muted);
  margin: 0 0 10px;
}

.subfolder-section {
  margin-bottom: 20px;
}

.subfolder-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 10px;
  margin-bottom: 8px;
}

.subfolder-card {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 4px;
  padding: 14px;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  background: var(--bg-elevated);
  color: var(--text-primary);
  text-align: left;
  transition: border-color 0.15s, background 0.15s;
}

.subfolder-card:hover {
  border-color: var(--accent);
  background: var(--bg-panel);
}

.subfolder-icon {
  font-size: 22px;
  line-height: 1;
}

.subfolder-name {
  font-size: 14px;
  font-weight: 600;
  word-break: break-word;
}

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