:root {
  --bg-primary: #e6ecf4;
  --bg-surface: #e6ecf4;
  --bg-card: #e6ecf4;
  --shadow-dark: #c5cbd5;
  --shadow-light: #ffffff;
  --neu-flat: 8px 8px 18px var(--shadow-dark), -8px -8px 18px var(--shadow-light);
  --neu-flat-hover: 12px 12px 24px var(--shadow-dark), -12px -12px 24px var(--shadow-light);
  --neu-inset: inset 4px 4px 8px var(--shadow-dark), inset -4px -4px 8px var(--shadow-light);
  --neu-inset-subtle: inset 2px 2px 5px var(--shadow-dark), inset -2px -2px 5px var(--shadow-light);
  --neu-pill: 5px 5px 12px var(--shadow-dark), -5px -5px 12px var(--shadow-light);
  --text-primary: #2d3748;
  --text-secondary: #64748b;
  --text-muted: #94a3b8;
  --accent-primary: #3b82f6;
  --accent-hover: #2563eb;
  --accent-gradient: linear-gradient(135deg, #3b82f6, #1d4ed8);
  --accent-shadow: 0 4px 14px rgba(59, 130, 246, 0.35);
  --status-active: #10b981;
  --warning-bg: #fffbeb;
  --warning-border: #f59e0b;
  --danger-color: #ef4444;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-full: 9999px;
  --transition-speed: 0.25s;
}

[data-theme="dark"] {
  --bg-primary: #17191d;
  --bg-surface: #17191d;
  --bg-card: #17191d;
  --shadow-dark: #0e1012;
  --shadow-light: #20242a;
  --neu-flat: 7px 7px 16px var(--shadow-dark), -7px -7px 16px var(--shadow-light);
  --neu-flat-hover: 10px 10px 22px var(--shadow-dark), -10px -10px 22px var(--shadow-light);
  --neu-inset: inset 4px 4px 8px var(--shadow-dark), inset -4px -4px 8px var(--shadow-light);
  --neu-inset-subtle: inset 2px 2px 5px var(--shadow-dark), inset -2px -2px 5px var(--shadow-light);
  --neu-pill: 4px 4px 10px var(--shadow-dark), -4px -4px 10px var(--shadow-light);
  --text-primary: #e2e8f0;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --accent-primary: #60a5fa;
  --accent-hover: #3b82f6;
  --accent-gradient: linear-gradient(135deg, #2563eb, #1e40af);
  --accent-shadow: 0 4px 14px rgba(37, 99, 235, 0.45);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  -webkit-font-smoothing: antialiased;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  line-height: 1.5;
  transition: background-color var(--transition-speed) ease, color var(--transition-speed) ease;
}

.neu-flat {
  background: var(--bg-card);
  box-shadow: var(--neu-flat);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(255, 255, 255, 0.05);
}

.neu-inset {
  background: var(--bg-surface);
  box-shadow: var(--neu-inset);
  border-radius: var(--radius-md);
  border: 1px solid rgba(0, 0, 0, 0.02);
}

.neu-pill {
  background: var(--bg-card);
  box-shadow: var(--neu-pill);
  border-radius: var(--radius-full);
  padding: 6px 14px;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--text-secondary);
}

.neu-btn {
  border: none;
  background: var(--bg-card);
  box-shadow: var(--neu-flat);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-family: inherit;
  font-size: 0.92rem;
  font-weight: 600;
  padding: 10px 18px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  outline: none;
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  user-select: none;
}

.neu-btn:hover {
  transform: translateY(-1px);
  box-shadow: var(--neu-flat-hover);
  color: var(--accent-primary);
}

.neu-btn:active {
  transform: translateY(1px);
  box-shadow: var(--neu-inset);
}

.neu-btn.primary-btn {
  background: var(--accent-gradient);
  color: #ffffff;
  box-shadow: var(--accent-shadow), var(--neu-flat);
}

.neu-btn.primary-btn:hover {
  filter: brightness(1.08);
  color: #ffffff;
}

.neu-btn.primary-btn:active {
  box-shadow: var(--neu-inset);
  filter: brightness(0.95);
}

.neu-btn.primary-btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
  box-shadow: var(--neu-flat);
}

.icon-btn {
  padding: 10px;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
}

.icon-btn.small-btn {
  width: 32px;
  height: 32px;
  font-size: 1.1rem;
  padding: 0;
}

.back-btn {
  padding: 8px 16px;
  font-size: 0.85rem;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 24px 20px;
  width: 100%;
  flex: 1;
}

.header-container {
  width: 100%;
  padding: 16px 24px;
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(10px);
  background: rgba(230, 236, 244, 0.85);
  transition: background var(--transition-speed) ease;
}

[data-theme="dark"] .header-container {
  background: rgba(23, 25, 29, 0.85);
}

.header-content {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.brand-group {
  display: flex;
  align-items: center;
  gap: 14px;
}

.logo-circle {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-primary);
}

.brand-text h1 {
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.2;
}

.badge-status {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.75rem;
  font-weight: 600;
  padding: 2px 10px;
  border-radius: var(--radius-full);
  color: var(--status-active);
  margin-top: 2px;
}

.status-dot {
  width: 7px;
  height: 7px;
  background-color: var(--status-active);
  border-radius: 50%;
  box-shadow: 0 0 8px var(--status-active);
  animation: pulse 2s infinite ease-in-out;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.85); }
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 14px;
}

#themeToggle .moon-icon { display: none; }
#themeToggle .sun-icon { display: block; }
[data-theme="dark"] #themeToggle .moon-icon { display: block; }
[data-theme="dark"] #themeToggle .sun-icon { display: none; }

.toast-container {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 1000;
  pointer-events: none;
}

.toast {
  padding: 12px 20px;
  border-radius: var(--radius-md);
  font-size: 0.88rem;
  font-weight: 600;
  background: var(--bg-card);
  box-shadow: var(--neu-flat-hover);
  display: flex;
  align-items: center;
  gap: 10px;
  transform: translateY(20px);
  opacity: 0;
  transition: all 0.3s ease;
  pointer-events: auto;
}

.toast.show {
  transform: translateY(0);
  opacity: 1;
}

.toast.toast-warning {
  border-left: 4px solid var(--warning-border);
  color: var(--text-primary);
}

.toast.toast-error {
  border-left: 4px solid var(--danger-color);
  color: var(--danger-color);
}

.toast.toast-success {
  border-left: 4px solid var(--status-active);
  color: var(--text-primary);
}

.breadcrumb-container {
  padding: 12px 20px;
  margin-bottom: 20px;
  border-radius: var(--radius-md);
}

.breadcrumb-list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  list-style: none;
  gap: 8px;
  font-size: 0.88rem;
}

.breadcrumb-item {
  display: flex;
  align-items: center;
  gap: 6px;
  color: var(--accent-primary);
  font-weight: 600;
  cursor: pointer;
  transition: opacity 0.2s;
}

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

.breadcrumb-item.active {
  color: var(--text-primary);
  cursor: default;
  font-weight: 700;
}

.breadcrumb-item.active:hover {
  text-decoration: none;
}

.breadcrumb-separator {
  color: var(--text-muted);
  font-size: 0.85rem;
}

.hero-card {
  padding: 30px 28px;
  margin-bottom: 24px;
}

.hero-header h2 {
  font-size: 1.65rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 6px;
}

.hero-header p {
  color: var(--text-secondary);
  font-size: 0.96rem;
  max-width: 820px;
  line-height: 1.6;
}

.metrics-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 16px;
  margin-top: 20px;
}

.metric-box {
  padding: 14px 18px;
  display: flex;
  flex-direction: column;
}

.metric-num {
  font-size: 1.55rem;
  font-weight: 700;
  color: var(--accent-primary);
  font-family: 'JetBrains Mono', monospace;
}

.metric-label {
  font-size: 0.78rem;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: 600;
  margin-top: 3px;
}

.filter-card {
  padding: 16px 20px;
  margin-bottom: 24px;
}

.search-bar-wrapper {
  display: flex;
  align-items: center;
  padding: 12px 18px;
  gap: 12px;
}

.search-bar-wrapper svg {
  color: var(--text-muted);
  flex-shrink: 0;
}

.search-bar-wrapper input {
  flex: 1;
  background: transparent;
  border: none;
  outline: none;
  font-family: inherit;
  font-size: 0.95rem;
  color: var(--text-primary);
}

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

.clear-btn {
  background: none;
  border: none;
  color: var(--text-secondary);
  font-size: 1.4rem;
  cursor: pointer;
  line-height: 1;
}

.section-title-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 18px;
}

.section-title-bar h3 {
  font-size: 1.25rem;
  font-weight: 700;
}

.section-hint {
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-top: 2px;
}

.count-pill {
  padding: 6px 14px;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-secondary);
  border-radius: var(--radius-full);
}

.departments-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 22px;
  margin-bottom: 40px;
}

.department-card {
  padding: 22px;
  display: flex;
  flex-direction: column;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  position: relative;
}

.department-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--neu-flat-hover);
}

.department-card:active {
  transform: translateY(1px);
  box-shadow: var(--neu-inset);
}

.dept-card-top {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 14px;
}

.dept-code-avatar {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: 'JetBrains Mono', monospace;
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--accent-primary);
  flex-shrink: 0;
}

.dept-card-title-group h4 {
  font-size: 1.1rem;
  font-weight: 700;
  line-height: 1.3;
  color: var(--text-primary);
}

.dept-school-tag {
  font-size: 0.76rem;
  color: var(--text-muted);
  font-weight: 500;
}

.dept-meta-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 14px;
  border-top: 1px solid rgba(0, 0, 0, 0.04);
  margin-top: auto;
}

[data-theme="dark"] .dept-meta-row {
  border-top-color: rgba(255, 255, 255, 0.04);
}

.dept-stat-badge {
  font-size: 0.8rem;
  color: var(--text-secondary);
  font-weight: 600;
}

.dept-enter-btn {
  font-size: 0.8rem;
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  color: var(--accent-primary);
}

.dept-banner {
  padding: 22px 26px;
  margin-bottom: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 18px;
}

.dept-banner-content {
  display: flex;
  align-items: center;
  gap: 18px;
}

.dept-badge-big {
  width: 62px;
  height: 62px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: 'JetBrains Mono', monospace;
  font-weight: 800;
  font-size: 1.3rem;
  color: var(--accent-primary);
  flex-shrink: 0;
}

.dept-banner h2 {
  font-size: 1.4rem;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.dept-banner p {
  font-size: 0.88rem;
  color: var(--text-secondary);
}

.batch-selector-container {
  margin-bottom: 26px;
}

.section-sub-label {
  display: block;
  font-size: 0.82rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-secondary);
  margin-bottom: 12px;
}

.batch-pill-group {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.batch-pill {
  padding: 10px 20px;
  border-radius: var(--radius-md);
  font-size: 0.92rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
  display: flex;
  align-items: center;
  gap: 8px;
}

.batch-pill:hover {
  transform: translateY(-2px);
  color: var(--accent-primary);
}

.batch-pill.active {
  box-shadow: var(--neu-inset);
  color: var(--accent-primary);
  font-weight: 700;
  border: 1px solid rgba(59, 130, 246, 0.3);
}

.batch-year-num {
  font-family: 'JetBrains Mono', monospace;
}

.batch-status-sub {
  font-size: 0.74rem;
  color: var(--text-muted);
}

.batch-pill.active .batch-status-sub {
  color: var(--accent-primary);
}

.folders-section {
  margin-bottom: 40px;
}

.folders-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 20px;
}

.folder-card {
  padding: 22px 20px;
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  gap: 16px;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.folder-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--neu-flat-hover);
}

.folder-card:active {
  transform: translateY(1px);
  box-shadow: var(--neu-inset);
}

.folder-icon-box {
  width: 50px;
  height: 50px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-primary);
  flex-shrink: 0;
}

.folder-info {
  flex: 1;
}

.folder-name {
  font-size: 1.15rem;
  font-weight: 700;
  font-family: 'JetBrains Mono', monospace;
  color: var(--text-primary);
  line-height: 1.2;
}

.folder-desc {
  font-size: 0.8rem;
  color: var(--text-secondary);
  margin-top: 2px;
}

.folder-papers-count {
  display: inline-block;
  margin-top: 6px;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--accent-primary);
  background: rgba(59, 130, 246, 0.08);
  padding: 2px 8px;
  border-radius: var(--radius-full);
}

.folder-arrow-icon {
  color: var(--text-muted);
  font-size: 1.1rem;
}

.folder-header-card {
  padding: 22px 26px;
  margin-bottom: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
}

.folder-header-content {
  display: flex;
  align-items: center;
  gap: 18px;
}

.folder-big-icon {
  width: 58px;
  height: 58px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-primary);
  flex-shrink: 0;
}

.folder-tags-strip {
  display: flex;
  gap: 8px;
  margin-bottom: 4px;
}

.folder-tag-pill {
  font-size: 0.72rem;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: var(--radius-sm);
  background: var(--accent-gradient);
  color: #ffffff;
}

.folder-header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.questions-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 24px;
  margin-bottom: 40px;
}

.question-card {
  overflow: hidden;
  display: flex;
  flex-direction: column;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  position: relative;
}

.question-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--neu-flat-hover);
}

.card-thumbnail-wrapper {
  height: 210px;
  background: var(--bg-surface);
  box-shadow: var(--neu-inset-subtle);
  margin: 12px 12px 0 12px;
  border-radius: var(--radius-md);
  overflow: hidden;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.card-thumbnail-wrapper img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top;
  transition: transform 0.3s ease;
}

.question-card:hover .card-thumbnail-wrapper img {
  transform: scale(1.03);
}

.card-badges {
  position: absolute;
  top: 10px;
  left: 10px;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.badge-dept {
  background: var(--accent-gradient);
  color: #ffffff;
  font-size: 0.72rem;
  font-weight: 700;
  padding: 4px 8px;
  border-radius: var(--radius-sm);
}

.badge-exam {
  background: rgba(15, 23, 42, 0.8);
  backdrop-filter: blur(4px);
  color: #f8fafc;
  font-size: 0.72rem;
  font-weight: 600;
  padding: 4px 8px;
  border-radius: var(--radius-sm);
}

.card-content {
  padding: 16px;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.card-course-code {
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--text-primary);
  font-family: 'JetBrains Mono', monospace;
  margin-bottom: 2px;
}

.card-course-title {
  font-size: 0.92rem;
  color: var(--text-secondary);
  margin-bottom: 14px;
  line-height: 1.4;
  flex: 1;
}

.card-meta-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 12px;
  border-top: 1px solid rgba(0, 0, 0, 0.04);
}

[data-theme="dark"] .card-meta-footer {
  border-top-color: rgba(255, 255, 255, 0.04);
}

.card-meta-item {
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--text-muted);
}

.card-meta-item strong {
  color: var(--text-primary);
}

.btn-view-card {
  padding: 6px 12px;
  font-size: 0.8rem;
  border-radius: var(--radius-sm);
}

.empty-state {
  padding: 60px 24px;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  margin-bottom: 40px;
}

.empty-icon {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
}

.empty-state h4 {
  font-size: 1.3rem;
  font-weight: 700;
}

.empty-state p {
  color: var(--text-secondary);
  max-width: 480px;
  font-size: 0.95rem;
}

.neu-modal {
  border: none;
  background: transparent;
  padding: 0;
  margin: auto;
  max-width: 640px;
  width: 92%;
  border-radius: var(--radius-lg);
  outline: none;
}

.neu-modal::backdrop {
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(8px);
}

.modal-content {
  padding: 28px;
  max-height: 90vh;
  overflow-y: auto;
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 20px;
}

.modal-title-group {
  display: flex;
  align-items: center;
  gap: 14px;
}

.modal-icon-badge {
  width: 46px;
  height: 46px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-primary);
  flex-shrink: 0;
}

.modal-header h3 {
  font-size: 1.3rem;
  font-weight: 700;
}

.modal-sub {
  font-size: 0.82rem;
  color: var(--text-secondary);
  font-weight: 500;
}

.dropzone {
  padding: 24px;
  text-align: center;
  cursor: pointer;
  margin-bottom: 20px;
  border-radius: var(--radius-md);
  transition: background var(--transition-speed);
}

.dropzone.drag-over {
  border: 2px dashed var(--accent-primary);
  background: rgba(59, 130, 246, 0.05);
}

.upload-icon-circle {
  width: 58px;
  height: 58px;
  border-radius: 50%;
  margin: 0 auto 12px auto;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-primary);
}

.dropzone-text {
  font-size: 0.95rem;
  color: var(--text-primary);
  margin-bottom: 4px;
}

.dropzone-hint {
  font-size: 0.78rem;
  color: var(--text-muted);
}

.preview-container {
  position: relative;
  max-height: 240px;
  border-radius: var(--radius-md);
  overflow: hidden;
  margin-bottom: 12px;
}

.preview-container img {
  width: 100%;
  max-height: 240px;
  object-fit: contain;
  background: #000000;
  border-radius: var(--radius-md);
}

.preview-overlay {
  position: absolute;
  top: 10px;
  right: 10px;
  left: 10px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.badge-selected {
  background: rgba(59, 130, 246, 0.9);
  color: #ffffff;
  padding: 4px 10px;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 600;
  backdrop-filter: blur(4px);
}

.file-info-text {
  margin-top: 8px;
  font-size: 0.78rem;
  color: var(--text-secondary);
  font-family: 'JetBrains Mono', monospace;
  text-align: left;
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 24px;
}

.form-field {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-field label {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.input-wrapper {
  padding: 8px 14px;
}

.input-wrapper input {
  width: 100%;
  background: transparent;
  border: none;
  outline: none;
  font-family: inherit;
  font-size: 0.92rem;
  color: var(--text-primary);
}

.select-wrapper {
  position: relative;
  display: flex;
  align-items: center;
}

.select-wrapper select {
  width: 100%;
  padding: 10px 14px;
  background: transparent;
  border: none;
  outline: none;
  font-family: inherit;
  font-size: 0.9rem;
  color: var(--text-primary);
  appearance: none;
  cursor: pointer;
}

.select-wrapper::after {
  content: '▾';
  position: absolute;
  right: 14px;
  pointer-events: none;
  color: var(--text-muted);
  font-size: 0.85rem;
}

.select-wrapper select option {
  background-color: var(--bg-card);
  color: var(--text-primary);
}

.field-hint {
  font-size: 0.72rem;
  color: var(--text-muted);
}

.status-msg {
  padding: 10px 16px;
  border-radius: var(--radius-md);
  font-size: 0.85rem;
  margin-bottom: 16px;
  line-height: 1.4;
}

.status-msg.error {
  background: rgba(239, 68, 68, 0.1);
  color: var(--danger-color);
  border: 1px solid rgba(239, 68, 68, 0.2);
}

.status-msg.success {
  background: rgba(16, 185, 129, 0.1);
  color: var(--status-active);
  border: 1px solid rgba(16, 185, 129, 0.2);
}

.status-msg.info {
  background: rgba(59, 130, 246, 0.1);
  color: var(--accent-primary);
  border: 1px solid rgba(59, 130, 246, 0.2);
}

.modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: 12px;
}

.lightbox-dialog {
  max-width: 1000px;
  width: 95vw;
}

.lightbox-wrapper {
  padding: 20px;
  display: flex;
  flex-direction: column;
  height: 85vh;
}

.lightbox-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 14px;
  flex-shrink: 0;
}

.lightbox-title-info h3 {
  font-size: 1.25rem;
  font-weight: 700;
  font-family: 'JetBrains Mono', monospace;
}

.lightbox-title-info p {
  font-size: 0.82rem;
  color: var(--text-secondary);
}

.lightbox-toolbar {
  display: flex;
  align-items: center;
  gap: 8px;
}

.lightbox-canvas-area {
  flex: 1;
  overflow: auto;
  border-radius: var(--radius-md);
  background: #0f172a;
  box-shadow: var(--neu-inset);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  user-select: none;
}

.lightbox-canvas-area img {
  max-width: 95%;
  max-height: 95%;
  object-fit: contain;
  transition: transform 0.2s ease-out;
  transform-origin: center center;
  box-shadow: 0 10px 30px rgba(0,0,0,0.5);
}

.footer-container {
  width: 100%;
  padding: 30px 20px 40px 20px;
  margin-top: auto;
}

.disclaimer-card {
  max-width: 1200px;
  margin: 0 auto;
  padding: 28px 26px;
  border-top: 3px solid var(--warning-border);
}

.disclaimer-header {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 12px;
}

.warning-badge {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--warning-border);
  flex-shrink: 0;
}

.disclaimer-title {
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--text-primary);
}

.disclaimer-body {
  display: flex;
  flex-direction: column;
  gap: 10px;
  font-size: 0.9rem;
  line-height: 1.6;
  color: var(--text-secondary);
}

.disclaimer-text strong {
  color: var(--text-primary);
}

.disclaimer-footer {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 16px;
  padding-top: 14px;
  border-top: 1px solid rgba(0, 0, 0, 0.04);
}

[data-theme="dark"] .disclaimer-footer {
  border-top-color: rgba(255, 255, 255, 0.04);
}

@media (max-width: 768px) {
  .header-content {
    flex-direction: column;
    gap: 14px;
    align-items: flex-start;
  }
  .header-actions {
    width: 100%;
    justify-content: space-between;
  }
  .dept-banner, .folder-header-card {
    flex-direction: column;
    align-items: flex-start;
  }
  .dept-banner-content, .folder-header-content {
    flex-direction: column;
    align-items: flex-start;
  }
  .folder-header-actions {
    width: 100%;
    justify-content: space-between;
  }
  .form-grid {
    grid-template-columns: 1fr;
  }
  .lightbox-wrapper {
    height: 92vh;
  }
  .lightbox-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
  }
  .lightbox-toolbar {
    width: 100%;
    justify-content: flex-end;
  }
}