/* ====================================================
   业务胶囊 4: 文件分享 (R2 对象存储) 专属样式 (Storage Module CSS)
   ==================================================== */

/* 面包屑导航条 */
#breadcrumb-bar {
    display: flex;
    align-items: center;
    margin-bottom: 16px;
    padding: 10px 16px;
    background: rgba(var(--primary-color-rgb), 0.04);
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-color);
    font-size: 13.5px;
}
.breadcrumb-item:hover {
    text-decoration: underline;
}

/* 扩展名徽章 */
.ext-tag {
    display: inline-block;
    padding: 2px 6px;
    border-radius: 4px;
    background: rgba(107, 114, 128, 0.12);
    color: var(--text-secondary);
    font-size: 11px;
    font-weight: 600;
    font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    vertical-align: middle;
    white-space: nowrap;
}

/* ============================================
   右下角悬浮上传管理器 (Floating Upload Dock)
   ============================================ */
.upload-dock {
    position: fixed;
    bottom: 24px;
    right: 24px;
    width: 390px;
    max-width: calc(100vw - 32px);
    background: var(--glass-bg);
    backdrop-filter: var(--background-blur);
    -webkit-backdrop-filter: var(--background-blur);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    box-shadow: var(--mystic-shadow);
    z-index: 2500;
    overflow: hidden;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    animation: slideUp 0.35s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

@keyframes slideUp {
    from { transform: translateY(30px) scale(0.95); opacity: 0; }
    to { transform: translateY(0) scale(1); opacity: 1; }
}

.upload-dock.minimized {
    width: auto;
    border-radius: 999px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.15);
}

.upload-dock-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 16px;
    background: rgba(0, 0, 0, 0.03);
    border-bottom: 1px solid var(--border-color);
}
@media (prefers-color-scheme: dark) {
    .upload-dock-header { background: rgba(255, 255, 255, 0.03); }
}

.upload-dock-title {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    font-weight: 600;
    color: var(--text-primary);
}

.upload-dock-actions {
    display: flex;
    align-items: center;
    gap: 4px;
}

.upload-dock-btn {
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 4px;
    border-radius: 4px;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}
.upload-dock-btn:hover {
    background: rgba(0, 0, 0, 0.08);
    color: var(--text-primary);
}
@media (prefers-color-scheme: dark) {
    .upload-dock-btn:hover { background: rgba(255, 255, 255, 0.1); }
}

.upload-dock-body {
    max-height: 280px;
    overflow-y: auto;
    padding: 8px 12px;
}

.upload-task-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.upload-task-item {
    background: rgba(0, 0, 0, 0.02);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 10px 12px;
    transition: var(--transition);
}
@media (prefers-color-scheme: dark) {
    .upload-task-item { background: rgba(255, 255, 255, 0.02); }
}

.task-meta-row {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 4px;
}

.task-name {
    flex: 1;
    font-size: 13px;
    font-weight: 500;
    color: var(--text-primary);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.task-status-row {
    font-size: 11px;
    color: var(--text-secondary);
    margin-bottom: 6px;
    min-height: 16px;
}

.task-status-text.text-success { color: var(--success-color); font-weight: 600; }
.task-status-text.text-danger { color: var(--danger-color); font-weight: 600; }
.task-status-text.text-muted { color: var(--text-secondary); }

.task-progress-track {
    width: 100%;
    height: 4px;
    background: rgba(0, 0, 0, 0.08);
    border-radius: 999px;
    overflow: hidden;
}
@media (prefers-color-scheme: dark) {
    .task-progress-track { background: rgba(255, 255, 255, 0.1); }
}

.task-progress-fill {
    height: 100%;
    background: var(--primary-color);
    border-radius: 999px;
    transition: width 0.25s ease;
}
.task-progress-fill.success {
    background: var(--success-color);
}
.task-progress-fill.error {
    background: var(--danger-color);
}
.task-progress-fill.aborted {
    background: var(--text-secondary);
}

.task-action-btn {
    background: none;
    border: none;
    cursor: pointer;
    font-size: 12px;
    color: var(--text-secondary);
    padding: 2px 4px;
    border-radius: 4px;
    transition: var(--transition);
}
.task-action-btn:hover {
    color: var(--text-primary);
    background: rgba(0,0,0,0.06);
}

/* 最小化状态胶囊 */
.upload-dock-capsule {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    cursor: pointer;
    background: var(--primary-color);
    color: white;
    border-radius: 999px;
    font-size: 13px;
    font-weight: 500;
    box-shadow: 0 4px 14px rgba(var(--primary-color-rgb), 0.35);
}
.capsule-spinner {
    width: 14px;
    height: 14px;
    border: 2px solid rgba(255, 255, 255, 0.4);
    border-top-color: white;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}