/* ==========================================================================
   مستكشف سحابة Google Drive وشجرة الملفات
   مستخرج من directory.css القديم ضمن إعادة تنظيم نظام التصميم
   ========================================================================== */
/* ==========================================================================
   أنماط مستكشف سحابة Google Drive التفاعلي (Cloud Drive Explorer)
   ========================================================================== */

.drive-hero-banner {
  background: var(--panel-feature);
  border: 1px solid var(--border-accent);
  border-radius: var(--radius-lg);
  padding: 26px 30px;
  margin-bottom: 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 20px;
  box-shadow: 0 8px 30px rgba(2, 132, 199, 0.12);
}

.drive-hero-left {
  display: flex;
  align-items: center;
  gap: 18px;
}

.drive-cloud-logo-box {
  width: 54px;
  height: 54px;
  border-radius: var(--radius-md);
  background: rgba(2, 132, 199, 0.15);
  border: 1px solid rgba(56, 189, 248, 0.3);
  color: var(--on-surface-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  flex-shrink: 0;
}

.drive-hero-title {
  font-size: 1.35rem;
  font-weight: 900;
  color: var(--text-primary);
  margin-bottom: 4px;
}

.drive-hero-desc {
  font-size: 0.85rem;
  color: var(--text-secondary);
}

/* ---- شريط التحكم والملاحة الموحد للسحابة الأكاديمية ---- */
.drive-unified-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  margin-top: 24px;
  margin-bottom: 16px;
  padding: 12px 18px;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
}

.drive-quick-jump-chips {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.jump-label {
  font-size: 0.8125rem;
  font-weight: 800;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 4px;
}

.drive-jump-chip {
  background: var(--overlay-1);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-full);
  padding: 4px 12px;
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--text-secondary);
  cursor: pointer;
  transition: var(--t-interactive);
}

.drive-jump-chip:hover {
  background: var(--color-primary-glow);
  color: var(--on-surface-primary);
  border-color: var(--border-accent);
}

.drive-view-mode-toggle {
  display: inline-flex;
  gap: 4px;
  background: var(--overlay-1);
  padding: 4px;
  border-radius: var(--radius-full);
  border: 1px solid var(--border-subtle);
}

.drive-mode-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 14px;
  font-size: 0.8rem;
  font-weight: 800;
  color: var(--text-muted);
  background: transparent;
  border: 0;
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: var(--t-interactive);
}

.drive-mode-btn.active {
  background: var(--color-primary);
  color: #fff;
  box-shadow: var(--elev-1);
}

.drive-folders-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(360px, 100%), 1fr));
  gap: 24px;
  margin-bottom: 40px;
}

.drive-folder-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 22px;
  display: flex;
  flex-direction: column;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.drive-folder-card::before {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  left: 0;
  height: 3px;
  background: linear-gradient(90deg, #4285F4, #34A853, #FBBC05, #EA4335);
}

.drive-folder-card:hover {
  border-color: var(--border-strong);
  box-shadow: var(--shadow-md);
  transform: translateY(-3px);
  background: var(--bg-card);
}

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

.drive-folder-icon-box {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  background: var(--overlay-1);
  border: 1px solid var(--border-subtle);
  color: var(--on-surface-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
}

.drive-header-meta {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 4px;
}

.drive-badge {
  font-size: 0.72rem;
  font-weight: 800;
  background: rgba(2, 132, 199, 0.15);
  color: var(--on-surface-primary);
  border: 1px solid rgba(56, 189, 248, 0.3);
  padding: 2px 8px;
  border-radius: var(--radius-full);
}

.drive-date {
  font-size: 0.7rem;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 4px;
}

.drive-card-title-row {
  margin-bottom: 8px;
}

.drive-folder-name {
  font-size: 1.25rem;
  font-weight: 900;
  color: var(--text-primary);
  margin-bottom: 2px;
}

.drive-folder-en {
  font-family: var(--font-latin);
  font-size: 0.78rem;
  color: var(--text-muted);
}

.drive-folder-desc {
  font-size: 0.8125rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 16px;
}

/* Files Preview Box */
.drive-files-preview-box {
  background: var(--scrim-1);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 12px 14px;
  margin-bottom: 16px;
}

.preview-title {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.78rem;
  font-weight: 800;
  color: var(--text-secondary);
  margin-bottom: 8px;
  padding-bottom: 6px;
  border-bottom: 1px solid var(--border-subtle);
}

.items-count-chip {
  background: var(--overlay-2);
  color: var(--on-surface-accent);
  font-size: 0.7rem;
  padding: 1px 6px;
  border-radius: 4px;
}

.preview-files-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.preview-files-list li {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.78rem;
  color: var(--text-secondary);
}

.preview-files-list li i {
  color: var(--on-surface-primary);
  font-size: 0.9rem;
  flex-shrink: 0;
}

.preview-files-list li .file-name {
  flex: 1;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.preview-files-list li .file-size {
  font-size: 0.7rem;
  color: var(--text-muted);
  flex-shrink: 0;
}

.drive-tags-row {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 16px;
}

.drive-tag {
  font-size: 0.7rem;
  background: var(--overlay-1);
  color: var(--text-muted);
  padding: 2px 7px;
  border-radius: 4px;
}

.drive-card-actions {
  display: flex;
  gap: 10px;
  margin-top: auto;
  padding-top: 12px;
  border-top: 1px solid var(--border-subtle);
}

/* Level Drive Sync Bar inside Curriculum Map */
.level-drive-sync-bar {
  background: var(--panel-accent-wash);
  border: 1px solid var(--border-accent);
  border-radius: var(--radius-md);
  padding: 14px 18px;
  margin-bottom: 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 14px;
}

.level-drive-sync-bar .drive-sync-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  background: var(--color-primary-glow);
  color: var(--on-surface-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  flex-shrink: 0;
}

.level-drive-sync-bar .drive-sync-info {
  flex: 1;
}

.sync-title-row {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 2px;
}

.sync-title-row strong {
  font-size: 0.95rem;
  color: var(--text-primary);
}

.drive-sync-badge {
  background: rgba(16, 185, 129, 0.15);
  color: var(--on-surface-success);
  border: 1px solid rgba(16, 185, 129, 0.3);
  font-size: 0.7rem;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: var(--radius-full);
}

.sync-desc {
  font-size: 0.8rem;
  color: var(--text-secondary);
}

.drive-sync-actions {
  display: flex;
  gap: 8px;
}

/* Drive Folder Modal Internal Styles */
.drive-modal-head {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 20px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border-subtle);
}

.drive-modal-icon {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-md);
  background: rgba(2, 132, 199, 0.15);
  color: var(--on-surface-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  flex-shrink: 0;
}

.drive-modal-title {
  font-size: 1.5rem;
  font-weight: 900;
  color: var(--text-primary);
}

.drive-modal-sub {
  font-size: 0.8125rem;
  color: var(--text-muted);
}

.drive-modal-desc-box {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 14px;
  margin-bottom: 20px;
  font-size: 0.875rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

.files-list-title {
  font-size: 0.95rem;
  font-weight: 800;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 12px;
}

.modal-files-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 24px;
}

.modal-file-row {
  display: flex;
  align-items: center;
  gap: 12px;
  background: var(--scrim-1);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 10px 14px;
  transition: var(--transition);
}

.modal-file-row:hover {
  background: var(--overlay-1);
  border-color: var(--border-strong);
}

.file-row-icon {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-sm);
  background: var(--overlay-1);
  color: var(--on-surface-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.file-row-info {
  flex: 1;
  display: flex;
  flex-direction: column;
}

.file-row-info .name {
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--text-primary);
}

.file-row-info .meta {
  font-size: 0.72rem;
  color: var(--text-muted);
}

.drive-modal-footer-banner {
  background: var(--panel-accent-strong);
  border: 1px solid var(--border-accent);
  border-radius: var(--radius-md);
  padding: 18px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 14px;
}

.drive-modal-footer-banner .banner-info {
  display: flex;
  align-items: center;
  gap: 12px;
}

.drive-modal-footer-banner .banner-info i {
  font-size: 1.6rem;
  color: var(--on-surface-primary);
  flex-shrink: 0;
}

.drive-modal-footer-banner .banner-info strong {
  display: block;
  color: var(--text-primary);
  font-size: 0.9rem;
}

.drive-modal-footer-banner .banner-info p {
  color: var(--text-secondary);
  font-size: 0.78rem;
}

/* ==========================================================================
   أنماط سحابة البرامج والإضافات والملحقات (Program & Plugins Assets Hub)
   ========================================================================== */

.program-folder-card {
  background: var(--bg-surface);
  border: 1px solid rgba(147, 51, 234, 0.25);
  border-radius: var(--radius-lg);
  padding: 24px;
  display: flex;
  flex-direction: column;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.program-folder-card::before {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  left: 0;
  height: 3px;
  background: linear-gradient(90deg, #8b5cf6, #3b82f6, #06b6d4, #10b981);
}

.program-folder-card:hover {
  border-color: rgba(168, 85, 247, 0.5);
  box-shadow: 0 10px 30px rgba(139, 92, 246, 0.15);
  transform: translateY(-4px);
  background: var(--bg-card);
}

.program-icon-box {
  background: rgba(139, 92, 246, 0.15) !important;
  border-color: rgba(168, 85, 247, 0.3) !important;
  color: #c084fc !important;
}

.program-badge {
  background: rgba(139, 92, 246, 0.15) !important;
  color: #c084fc !important;
  border-color: rgba(168, 85, 247, 0.35) !important;
}

/* شبكة الملحقات داخل بطاقة البرنامج */
.program-packs-container {
  background: var(--scrim-2);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-md);
  padding: 14px;
  margin-bottom: 18px;
}

.packs-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 10px;
  padding-bottom: 8px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.packs-header-title {
  font-size: 0.8rem;
  font-weight: 800;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: 6px;
}

.packs-chips-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(130px, 100%), 1fr));
  gap: 8px;
}

.pack-chip {
  background: var(--overlay-1);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-sm);
  padding: 8px 10px;
  display: flex;
  flex-direction: column;
  gap: 3px;
  cursor: pointer;
  transition: var(--transition);
}

.pack-chip:hover {
  background: rgba(139, 92, 246, 0.15);
  border-color: rgba(168, 85, 247, 0.4);
  transform: translateY(-2px);
}

.pack-chip-name {
  font-size: 0.8rem;
  font-weight: 800;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 6px;
}

.pack-chip-name i {
  color: #c084fc;
  font-size: 0.85rem;
}

.pack-chip-meta {
  font-size: 0.68rem;
  color: var(--text-muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* Modal Packs Detailed Grid */
.modal-packs-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(260px, 100%), 1fr));
  gap: 14px;
  margin-bottom: 24px;
}

.modal-pack-card {
  background: var(--scrim-1);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 14px;
  display: flex;
  flex-direction: column;
  transition: var(--transition);
}

.modal-pack-card:hover {
  border-color: rgba(168, 85, 247, 0.4);
  background: rgba(139, 92, 246, 0.06);
}

.pack-card-top {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 8px;
}

.pack-card-icon {
  width: 34px;
  height: 34px;
  border-radius: var(--radius-sm);
  background: rgba(139, 92, 246, 0.15);
  color: #c084fc;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  flex-shrink: 0;
}

.pack-card-titles {
  flex: 1;
}

.pack-card-title-ar {
  font-size: 0.875rem;
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: 2px;
}

.pack-card-title-en {
  font-family: var(--font-latin);
  font-size: 0.72rem;
  color: var(--text-muted);
}

.pack-card-desc {
  font-size: 0.78rem;
  color: var(--text-secondary);
  line-height: 1.5;
  margin-bottom: 10px;
  flex: 1;
}

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

.pack-card-tag {
  font-size: 0.68rem;
  background: var(--overlay-1);
  color: var(--text-muted);
  padding: 1px 6px;
  border-radius: 3px;
}

/* ==========================================================================
   أنماط متصفح شجرة ملفات جوجل درايف التفاعلي (Interactive Visual Drive Explorer)
   ========================================================================== */

.explorer-window {
  background: var(--bg-surface);
  border: 1px solid var(--border-accent);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.4);
  margin-bottom: 36px;
}

.explorer-toolbar {
  background: var(--panel-solid);
  border-bottom: 1px solid var(--border-subtle);
  padding: 14px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}

.explorer-nav-left {
  display: flex;
  align-items: center;
  gap: 12px;
  flex: 1;
  min-width: 280px;
}

.btn-explorer-back {
  background: var(--overlay-2);
  color: var(--text-primary);
  border: 1px solid var(--border-subtle);
  padding: 6px 14px;
  border-radius: var(--radius-sm);
  font-size: 0.8125rem;
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  cursor: pointer;
  transition: var(--transition);
}

.btn-explorer-back:hover:not(:disabled) {
  background: var(--color-primary);
  border-color: var(--on-surface-primary);
  transform: translateX(2px);
}

.btn-explorer-back:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.explorer-breadcrumbs {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
  background: var(--scrim-2);
  padding: 6px 14px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-subtle);
}

.crumb-item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.8125rem;
  font-weight: 700;
  color: var(--on-surface-primary);
  cursor: pointer;
  transition: var(--transition);
}

.crumb-item:hover {
  color: var(--text-primary);
  text-decoration: underline;
}

.crumb-item.active {
  color: var(--text-primary);
  cursor: default;
  text-decoration: none;
}

.crumb-sep {
  color: var(--text-muted);
  font-size: 0.75rem;
}

.explorer-toolbar-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.explorer-search-input {
  background: var(--scrim-2);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 6px 12px;
  font-size: 0.8rem;
  color: #ffffff;
  min-width: 180px;
}

.explorer-search-input:focus {
  outline: none;
  border-color: var(--on-surface-primary);
}

.explorer-content-area {
  padding: 24px;
  min-height: 380px;
  background: radial-gradient(circle at 50% 0%, rgba(2, 132, 199, 0.04), transparent 60%);
}

.explorer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(210px, 100%), 1fr));
  gap: 16px;
}

/* بطاقة المجلد داخل المتصفح (Folder Card) */
.explorer-folder-card {
  background: var(--overlay-1);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 16px;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  cursor: pointer;
  transition: var(--transition);
  position: relative;
}

.explorer-folder-card:hover {
  background: rgba(2, 132, 199, 0.12);
  border-color: var(--on-surface-primary);
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
}

.folder-graphic-box {
  width: 64px;
  height: 64px;
  border-radius: var(--radius-md);
  background: rgba(2, 132, 199, 0.15);
  border: 1px solid rgba(56, 189, 248, 0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  margin-bottom: 12px;
  transition: transform 0.3s ease;
}

.explorer-folder-card:hover .folder-graphic-box {
  transform: scale(1.1);
}

.folder-card-name {
  font-size: 0.95rem;
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: 4px;
  word-break: break-word;
}

.folder-card-sub {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-bottom: 10px;
}

.folder-card-badge {
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--on-surface-accent);
  background: rgba(245, 158, 11, 0.12);
  border: 1px solid rgba(245, 158, 11, 0.25);
  padding: 2px 8px;
  border-radius: var(--radius-full);
  margin-top: auto;
}

/* بطاقة الملف داخل المتصفح (File Card) */
.explorer-file-card {
  background: var(--scrim-2);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 14px;
  display: flex;
  flex-direction: column;
  transition: var(--transition);
}

.explorer-file-card:hover {
  background: var(--overlay-1);
  border-color: var(--border-strong);
  transform: translateY(-2px);
}

.file-card-head {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 8px;
}

.file-ext-badge {
  width: 38px;
  height: 38px;
  border-radius: var(--radius-sm);
  background: var(--overlay-2);
  border: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-latin);
  font-size: 0.72rem;
  font-weight: 900;
  text-transform: uppercase;
  color: var(--on-surface-primary);
  flex-shrink: 0;
}

.file-ext-abr { color: var(--on-surface-accent); border-color: rgba(245, 158, 11, 0.3); background: rgba(245, 158, 11, 0.1); }
.file-ext-dwg { color: #ef4444; border-color: rgba(239, 68, 68, 0.3); background: rgba(239, 68, 68, 0.1); }
.file-ext-zip, .file-ext-rar { color: var(--on-surface-info); border-color: rgba(139, 92, 246, 0.3); background: rgba(139, 92, 246, 0.1); }
.file-ext-psd { color: var(--on-surface-primary); border-color: rgba(56, 189, 248, 0.3); background: rgba(56, 189, 248, 0.1); }
.file-ext-ttf { color: var(--on-surface-success); border-color: rgba(16, 185, 129, 0.3); background: rgba(16, 185, 129, 0.1); }
.file-ext-csh { color: #ec4899; border-color: rgba(236, 72, 153, 0.3); background: rgba(236, 72, 153, 0.1); }
.file-ext-aco { color: #14b8a6; border-color: rgba(20, 184, 166, 0.3); background: rgba(20, 184, 166, 0.1); }
.file-ext-lsp { color: #eab308; border-color: rgba(234, 179, 8, 0.3); background: rgba(234, 179, 8, 0.1); }

.file-card-info {
  flex: 1;
  overflow: hidden;
}

.file-card-title {
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  direction: ltr;
  text-align: right;
}

.file-card-desc {
  font-size: 0.72rem;
  color: var(--text-muted);
  line-height: 1.4;
  margin-top: 2px;
}

.file-card-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: auto;
  padding-top: 10px;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.file-size-tag {
  font-size: 0.7rem;
  color: var(--text-muted);
}

.explorer-empty-folder {
  text-align: center;
  padding: 60px 20px;
  color: var(--text-muted);
}

.explorer-empty-folder i {
  font-size: 3rem;
  color: var(--border-strong);
  margin-bottom: 14px;
}

.explorer-empty-folder p {
  font-size: 0.95rem;
}

/* ==========================================================================
   مبدل السحابة وأشرطة التنبيه والملفات الاسترشادية (Drive Switcher & Guide Badges)
   ========================================================================== */

.explorer-drive-switcher {
  display: flex;
  gap: 12px;
  margin-bottom: 16px;
  flex-wrap: wrap;
}

.drive-switcher-btn {
  flex: 1;
  min-width: 280px;
  background: var(--panel-solid-soft);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 14px 20px;
  display: flex;
  align-items: center;
  gap: 14px;
  cursor: pointer;
  color: var(--text-muted);
  transition: all 0.25s ease;
  position: relative;
  text-align: right;
}

.drive-switcher-btn i {
  font-size: 1.5rem;
  color: var(--text-muted);
  transition: color 0.25s ease;
  flex-shrink: 0;
}

.drive-switcher-btn .btn-text {
  font-size: 0.95rem;
  font-weight: 800;
  display: block;
  color: var(--text-primary);
}

.drive-switcher-btn .drive-badge-counter {
  font-size: 0.72rem;
  color: var(--text-muted);
  display: block;
  margin-top: 3px;
}

.drive-switcher-btn:hover {
  background: rgba(2, 132, 199, 0.08);
  border-color: rgba(56, 189, 248, 0.4);
  transform: translateY(-2px);
}

.drive-switcher-btn.active {
  background: var(--panel-accent-strong);
  border-color: var(--on-surface-primary);
  box-shadow: 0 4px 20px rgba(2, 132, 199, 0.25);
}

.drive-switcher-btn.active i {
  color: var(--on-surface-primary);
}

.drive-switcher-btn.active .drive-badge-counter {
  color: var(--on-surface-accent);
  font-weight: 600;
}

/* شريط تنبيه الملفات الاسترشادية للفرقة 3 و 4 */
.explorer-notice-banner {
  background: rgba(168, 85, 247, 0.1);
  border: 1px solid rgba(168, 85, 247, 0.3);
  border-radius: var(--radius-md);
  padding: 12px 18px;
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 14px;
  color: #f3e8ff;
}

.explorer-notice-banner .notice-icon i {
  font-size: 1.4rem;
  color: #c084fc;
}

.explorer-notice-banner .notice-text {
  font-size: 0.85rem;
  line-height: 1.5;
}

.explorer-notice-banner .notice-text strong {
  color: #e9d5ff;
  margin-left: 6px;
}

/* تنبيه في الدرج الجانبي للمقرر */
.drawer-guide-alert {
  background: rgba(168, 85, 247, 0.08);
  border: 1px solid rgba(168, 85, 247, 0.25);
  border-radius: var(--radius-sm);
  padding: 10px 14px;
  margin-bottom: 14px;
  font-size: 0.8125rem;
  line-height: 1.45;
  color: #e9d5ff;
  display: flex;
  align-items: center;
  gap: 10px;
}

.drawer-guide-alert i {
  color: #c084fc;
  font-size: 1.2rem;
  flex-shrink: 0;
}

/* بطاقة الملف الاسترشادي */
.file-guide-card {
  border-color: rgba(168, 85, 247, 0.25);
}

.file-title-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.guide-file-badge {
  font-size: 0.65rem;
  font-weight: 700;
  color: #c084fc;
  background: rgba(168, 85, 247, 0.15);
  border: 1px solid rgba(168, 85, 247, 0.3);
  padding: 1px 6px;
  border-radius: var(--radius-full);
  white-space: nowrap;
  display: inline-flex;
  align-items: center;
  gap: 3px;
}

.badge-guide-sm {
  font-size: 0.625rem;
  font-weight: 700;
  color: #c084fc;
  background: rgba(168, 85, 247, 0.15);
  padding: 1px 6px;
  border-radius: 4px;
  border: 1px solid rgba(168, 85, 247, 0.3);
}

/* شارات امتدادات الملفات الجديدة */
.file-ext-pdf { color: #ef4444; border-color: rgba(239, 68, 68, 0.35); background: rgba(239, 68, 68, 0.1); }
.file-ext-xlsx { color: var(--on-surface-success); border-color: rgba(16, 185, 129, 0.35); background: rgba(16, 185, 129, 0.1); }
.file-ext-docx { color: #3b82f6; border-color: rgba(59, 130, 246, 0.35); background: rgba(59, 130, 246, 0.1); }

.file-badge-pdf { color: #ef4444; }
.file-badge-dwg { color: #f97316; }
.file-badge-psd { color: var(--on-surface-primary); }
.file-badge-xlsx { color: var(--on-surface-success); }
.file-badge-docx { color: #3b82f6; }

/* ==========================================================================
   أشرطة الفلاتر وأزرار التصفية الموحدة (Drive Filter Pills)
   ========================================================================== */
.curriculum-controls-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-4, 16px);
  background: var(--bg-surface, #0e1629);
  border: 1px solid var(--border-subtle, rgba(255, 255, 255, 0.08));
  border-radius: var(--radius-lg, 12px);
  padding: 12px 18px;
  margin-bottom: 24px;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.2);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

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

.filter-pill-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  min-height: 38px;
  padding: 6px 16px;
  background: var(--bg-card, #131e36);
  border: 1px solid var(--border-subtle, rgba(255, 255, 255, 0.12));
  color: var(--text-secondary, #cbd5e1);
  font-family: var(--font-arabic, 'Cairo', sans-serif);
  font-size: 0.8125rem;
  font-weight: 600;
  line-height: 1.3;
  border-radius: 9999px;
  cursor: pointer;
  user-select: none;
  white-space: nowrap;
  text-decoration: none;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
  transition: all 0.22s cubic-bezier(0.4, 0, 0.2, 1);
  outline: none;
}

.filter-pill-btn:hover {
  background: var(--bg-hover, #22345e);
  color: var(--text-primary, #ffffff);
  border-color: var(--color-primary, #0284c7);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(2, 132, 199, 0.2);
}

.filter-pill-btn.active {
  background: linear-gradient(135deg, #0284c7 0%, #0369a1 100%) !important;
  color: #ffffff !important;
  border-color: #38bdf8 !important;
  box-shadow: 0 4px 14px rgba(2, 132, 199, 0.4), inset 0 1px 0 rgba(255, 255, 255, 0.2) !important;
  font-weight: 700;
}

/* ==========================================================================
   نظام التمرير الأفقي المحمول لسحابة المواد (Mobile Horizontal Sliders)
   ========================================================================== */
@media (max-width: 768px) {
  .drive-quick-jump-chips {
    flex-wrap: nowrap !important;
    overflow-x: auto !important;
    padding-bottom: 6px;
    width: 100%;
    scrollbar-width: thin;
  }

  .drive-quick-jump-chips .drive-jump-chip {
    flex-shrink: 0;
  }

  .drive-folders-grid {
    display: flex !important;
    overflow-x: auto !important;
    overflow-y: hidden !important;
    scroll-snap-type: x mandatory !important;
    -webkit-overflow-scrolling: touch !important;
    scroll-behavior: smooth;
    gap: var(--space-4) !important;
    padding: var(--space-2) 16px var(--space-4) 16px !important;
    margin-inline: -16px !important;
    scrollbar-width: thin;
  }

  .drive-folders-grid::-webkit-scrollbar {
    height: 4px;
  }

  .drive-folders-grid::-webkit-scrollbar-thumb {
    background: var(--border-subtle);
    border-radius: var(--radius-full);
  }

  .drive-folders-grid > .drive-folder-card {
    flex: 0 0 85% !important;
    min-width: 280px !important;
    max-width: 340px !important;
    scroll-snap-align: start !important;
    scroll-snap-stop: normal !important;
  }

  .explorer-drive-switcher {
    flex-direction: column;
  }

  .explorer-drive-switcher .drive-switcher-btn {
    width: 100%;
  }

  .explorer-content-area {
    padding: 14px 10px;
  }

  .explorer-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr)) !important;
    gap: 10px !important;
  }

  .explorer-folder-card,
  .explorer-file-card {
    padding: 12px 8px !important;
  }

  .folder-graphic-box {
    width: 46px !important;
    height: 46px !important;
    font-size: 1.5rem !important;
    margin-bottom: 8px !important;
  }

  .folder-card-name {
    font-size: 0.82rem !important;
  }
}