/* ========== 简洁资料管理页 - 夜间模式（默认） ========== */
        body { animation: fadeIn 0.3s ease; }

        #starfieldCanvas { position: fixed; inset: 0; z-index: -1; pointer-events: none; }

        /* 导航栏使用 theme.css 全局样式，此处不再重复定义 */

        .container { max-width: 1160px; margin: 24px auto; padding: 0 24px; }

        .page-header {
            display: flex; justify-content: space-between; align-items: center;
            padding: 22px 26px; margin-bottom: 18px;
            background: rgba(15, 17, 30, 0.45);
            backdrop-filter: blur(24px); border-radius: 16px;
            border: 1px solid rgba(255,255,255,0.06);
        }
        .page-title-section { display: flex; align-items: center; gap: 14px; }
        .page-icon {
            width: 40px; height: 40px; border-radius: 10px;
            background: rgba(255, 255, 255, 0.08) !important;
            display: flex; align-items: center; justify-content: center;
            color: rgba(232, 234, 253, 0.7) !important; font-size: 18px;
            border: 1px solid rgba(255, 255, 255, 0.1) !important;
        }
        .page-title-text h1 { font-size: 19px; font-weight: 700; color: var(--text-on-el, #e8eafd); margin: 0 0 3px 0; }
        .page-title-text p { font-size: 12px; color: var(--text-on-el-muted, rgba(232,234,253,0.5)); margin: 0; }

        .toolbar {
            display: flex; justify-content: space-between; align-items: center;
            padding: 16px 20px; margin-bottom: 20px;
            background: rgba(15, 17, 30, 0.45);
            backdrop-filter: blur(20px); border-radius: 12px;
            border: 1px solid rgba(255,255,255,0.06);
            gap: 16px; flex-wrap: wrap;
        }
        .toolbar-left { display: flex; align-items: center; gap: 10px; }
        .filter-select {
            padding: 8px 14px; border: 1px solid rgba(255,255,255,0.08) !important;
            border-radius: 8px; font-size: 13px; background: rgba(255,255,255,0.04) !important;
            color: rgba(232, 234, 253, 0.7) !important; cursor: pointer; outline: none; transition: 0.2s;
        }
        .filter-select:focus, .filter-select:hover {
            border-color: rgba(255, 255, 255, 0.15) !important;
            background: rgba(255,255,255,0.06) !important;
        }
        .batch-actions { display: none; align-items: center; gap: 8px; }
        .batch-actions.visible { display: flex; }
        .btn-batch {
            padding: 7px 14px; border-radius: 7px; font-size: 12px;
            background: transparent; border: 1px solid rgba(239,68,68,0.4);
            color: #f87171; cursor: pointer; transition: 0.2s;
        }
        .btn-batch:hover { background: rgba(239,68,68,0.12); border-color: #ef4444; }
        .selected-count { font-size: 12px; color: var(--text-muted); }
        .search-box {
            padding: 8px 14px; border: 1px solid rgba(255,255,255,0.08) !important;
            border-radius: 8px; font-size: 13px; width: 220px;
            background: rgba(255,255,255,0.04) !important; color: rgba(232, 234, 253, 0.7) !important;
            outline: none; transition: 0.2s;
        }
        .search-box:focus { border-color: rgba(255, 255, 255, 0.15) !important; }
        .search-box::placeholder { color: rgba(232, 234, 253, 0.35) !important; }

        .materials-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(360px, 1fr));
            gap: 18px;
        }
        .material-card {
            background: rgba(15, 17, 30, 0.5);
            backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px);
            border-radius: 14px;
            padding: 20px;
            border: 1px solid rgba(255,255,255,0.06);
            transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            position: relative;
            overflow: hidden;
        }
        .material-card:hover {
        }
        [data-theme="day"] .material-card:hover {
            border-color: rgba(124, 58, 237, 0.15) !important;
        }
        body:not([data-theme="day"]) .material-card:hover {
            border-color: rgba(167, 139, 250, 0.12) !important;
        }

        .material-card-new {
            border-color: rgba(255, 255, 255, 0.15) !important;
            box-shadow: 0 0 15px rgba(255, 255, 255, 0.05), inset 0 0 15px rgba(255, 255, 255, 0.02) !important;
            animation: newMaterialPulse 3s ease-in-out infinite;
        }
        [data-theme="day"] .material-card-new {
            border-color: rgba(217, 119, 6, 0.3) !important;
            box-shadow: 0 0 20px rgba(217, 119, 6, 0.08), 0 2px 8px rgba(217, 119, 6, 0.04) !important;
        }
        @keyframes newMaterialPulse {
            0%, 100% { border-color: rgba(255, 255, 255, 0.15) !important; }
            50% { border-color: rgba(255, 255, 255, 0.25) !important; }
        }
        .new-badge {
            position: absolute;
            top: 12px;
            left: 12px;
            background: rgba(255, 255, 255, 0.12) !important;
            color: rgba(232, 234, 253, 0.8) !important;
            font-size: 10px;
            font-weight: 600;
            padding: 2px 8px;
            border-radius: 4px;
            letter-spacing: 0.5px;
            z-index: 2;
            box-shadow: 0 2px 6px rgba(0, 0, 0, 0.2) !important;
            border: 1px solid rgba(255, 255, 255, 0.15) !important;
        }

        .card-checkbox {
            position: absolute; top: 16px; right: 16px;
            width: 18px; height: 18px; border-radius: 4px;
            border: 1.5px solid rgba(255,255,255,0.15) !important;
            appearance: none; cursor: pointer; transition: 0.15s;
            background: rgba(255,255,255,0.03);
            z-index: 3;
        }
        .card-checkbox:checked {
            background: rgba(255, 255, 255, 0.2) !important; border-color: rgba(255, 255, 255, 0.3) !important;
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='white'%3E%3Cpath d='M9 16.17L4.83 12l-1.42 1.41L9 19 21 7l-1.41-1.41L9 16.17z'/%3E%3C/svg%3E");
            background-size: 14px; background-position: center; background-repeat: no-repeat;
        }
        .card-checkbox:hover { border-color: rgba(255, 255, 255, 0.25) !important; }

        .material-header {
            display: flex; align-items: flex-start; gap: 14px;
            margin-bottom: 14px; padding-right: 28px;
        }
        .material-icon {
            width: 44px; height: 44px; border-radius: 10px;
            display: flex; align-items: center; justify-content: center;
            font-size: 20px; flex-shrink: 0;
            background: rgba(255, 255, 255, 0.06);
            color: var(--text-secondary);
            border: 1px solid rgba(255, 255, 255, 0.08);
        }
        .material-info { flex: 1; min-width: 0; padding-right: 40px; }
        .material-name {
            font-size: 14.5px; font-weight: 600; color: #e8eafd;
            margin-bottom: 5px;
            white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
        }
        .material-meta {
            font-size: 12.5px; color: var(--text-muted);
            display: flex; align-items: center; gap: 10px;
        }

        .status-tag {
            display: inline-flex; align-items: center; gap: 5px;
            padding: 4px 12px; border-radius: 6px;
            font-size: 12px; font-weight: 500; margin-bottom: 12px;
        }
        .status-tag.pending   { background: rgba(255,255,255,0.05) !important; color: rgba(232, 234, 253, 0.5) !important; border: 1px solid rgba(255,255,255,0.08) !important; }
        .status-tag.processing { background: rgba(255,255,255,0.06) !important; color: rgba(232, 234, 253, 0.65) !important; border: 1px solid rgba(255,255,255,0.1) !important; }
        .status-tag.completed { background: rgba(255,255,255,0.06) !important; color: rgba(232, 234, 253, 0.7) !important; border: 1px solid rgba(255,255,255,0.1) !important; }
        .status-tag.failed    { background: rgba(255,255,255,0.06) !important; color: rgba(232, 234, 253, 0.6) !important; border: 1px solid rgba(255,255,255,0.1) !important; }

        .progress-bar {
            background: rgba(255,255,255,0.04); border-radius: 4px;
            height: 4px; margin-bottom: 6px; overflow: hidden;
        }
        .progress-fill {
            height: 100%; background: rgba(255, 255, 255, 0.25) !important;
            border-radius: 4px; transition: width 0.3s;
        }
        .progress-text { font-size: 11.5px; color: var(--text-muted); margin-bottom: 14px; }

        .error-detail {
            font-size: 11px; color: #f87171; margin-bottom: 8px; cursor: pointer;
            padding: 4px 8px; background: rgba(239,68,68,0.08); border-radius: 6px;
            display: flex; align-items: center; gap: 5px; line-height: 1.4;
            transition: background 0.2s;
        }
        .error-detail:hover { background: rgba(239,68,68,0.15); }
        [data-theme="day"] .error-detail {
            color: #dc2626; background: rgba(220,38,38,0.06);
        }
        [data-theme="day"] .error-detail:hover { background: rgba(220,38,38,0.10); }

        .material-actions { display: flex; gap: 8px; flex-wrap: wrap; }
        .btn-sm {
            padding: 7px 14px; border-radius: 7px; font-size: 12px;
            cursor: pointer; transition: all 0.2s; display: inline-flex;
            align-items: center; gap: 5px; border: none; font-weight: 500;
        }
        .btn-sm.primary {
            background: transparent; color: var(--text-secondary);
            border: 1px solid rgba(255,255,255,0.12);
        }
        .btn-sm.primary:hover {
            background: rgba(124,58,237,0.08);
            border-color: rgba(124,58,237,0.25);
            color: #c4b5fd;
        }
        .btn-sm.success {
            background: rgba(34,197,94,0.06); color: #86efac; border: 1px solid rgba(34,197,94,0.12);
        }
        .btn-sm.success:hover { background: rgba(34,197,94,0.10); }
        .btn-sm.outline {
            background: transparent; color: var(--text-muted);
            border: 1px solid rgba(255,255,255,0.08);
        }
        .btn-sm.outline:hover { background: rgba(255,255,255,0.04); color: var(--text-secondary); }
        .btn-sm.danger {
            background: transparent; color: var(--text-muted);
            border: 1px solid rgba(255,255,255,0.08);
        }
        .btn-sm.danger:hover { background: rgba(239,68,68,0.06); color: #fca5a5; border-color: rgba(239,68,68,0.12); }

        .empty-state {
            text-align: center; padding: 70px 20px;
            background: rgba(15, 17, 30, 0.5); backdrop-filter: blur(20px);
            border-radius: 14px; border: 1px solid rgba(255,255,255,0.06);
        }
        .empty-icon { font-size: 56px; color: #4b5563; margin-bottom: 16px; }
        .empty-text { font-size: 16px; color: var(--text-secondary); margin-bottom: 6px; font-weight: 600; }
        .empty-hint { font-size: 13px; color: var(--text-muted); margin-bottom: 22px; }


        /* ============================================================ */
        /* ==========  日间模式（白天）- 独立设计，非简单取反 ========== */
        /*  注意：必须使用 !important 覆盖 theme.css 全局规则          */
        /* ============================================================ */

        [data-theme="day"] .navbar {
            background: rgba(255, 255, 255, 0.92) !important;
            border-bottom-color: #E2E8F0 !important;
        }
        [data-theme="day"] .logo { color: #1E293B !important; }
        [data-theme="day"] .logo i { color: #4F6EF6; }
        [data-theme="day"] .nav-links a { color: #475569 !important; }
        [data-theme="day"] .nav-links a:hover { color: #4F6EF6 !important; background: rgba(79,110,246,0.06) !important; }
        [data-theme="day"] .nav-links a.active { color: #4F6EF6 !important; background: #EEF1FE !important; border-color: transparent !important; }
        [data-theme="day"] .username {
            background: rgba(148,163,184,0.12) !important; color: #334155 !important;
            border-color: #E2E8F0 !important;
        }
        [data-theme="day"] .username:hover { background: #EEF1FE !important; color: #4F6EF6 !important; }
        [data-theme="day"] .user-dropdown {
            background: #FFFFFF !important; border-color: #E2E8F0 !important;
            box-shadow: 0 8px 24px rgba(100,116,139,0.12) !important;
        }
        [data-theme="day"] .dropdown-item { color: #334155 !important; }
        [data-theme="day"] .dropdown-item:hover { background: #EEF1FE !important; color: #4F6EF6 !important; }
        [data-theme="day"] .dropdown-divider { background: #E2E8F0 !important; }

        [data-theme="day"] .page-header {
            background:rgba(255, 255, 255, 0.82) !important;
            border-color:#E2E8F0 !important;
            box-shadow:0 1px 3px rgba(100,116,139,0.06),0 4px 12px rgba(100,116,139,0.04) !important;
            backdrop-filter:blur(40px) saturate(1.4) !important; -webkit-backdrop-filter:blur(40px) saturate(1.4) !important;
        }
        [data-theme="day"] .material-icon { background: rgba(148,163,184,0.08) !important; color: #64748B !important; border-color: #E2E8F0 !important; }
        [data-theme="day"] .page-icon { background: linear-gradient(135deg, #3B5CE4, #4F6EF6); }
        [data-theme="day"] .page-title-text h1 { color: #1E293B !important; }
        [data-theme="day"] .page-title-text p { color: #94A3B8 !important; }

        [data-theme="day"] .toolbar {
            background:rgba(255, 255, 255, 0.82) !important;
            border-color:#E2E8F0 !important;
            box-shadow:0 1px 2px rgba(100,116,139,0.04) !important;
            backdrop-filter:blur(40px) saturate(1.4) !important; -webkit-backdrop-filter:blur(40px) saturate(1.4) !important;
        }
        [data-theme="day"] .filter-select {
            border-color: #E2E8F0 !important;
            background: #fff !important; color: #334155 !important;
        }
        [data-theme="day"] .filter-select:focus,
        [data-theme="day"] .filter-select:hover {
            border-color: #4F6EF6 !important; background: #fff !important;
        }
        [data-theme="day"] .selected-count { color: #94A3B8 !important; }
        [data-theme="day"] .search-box {
            border-color: #E2E8F0 !important;
            background: #fff !important; color: #1E293B !important;
        }
        [data-theme="day"] .search-box:focus { border-color: #4F6EF6 !important; box-shadow: 0 0 0 3px rgba(79,110,246,.12) !important; }
        [data-theme="day"] .search-box::placeholder { color: #94A3B8 !important; }

        [data-theme="day"] .material-card {
            background:rgba(255, 255, 255, 0.82) !important;
            border-color:#E2E8F0 !important;
            box-shadow:0 1px 3px rgba(100,116,139,0.05) !important;
            backdrop-filter:blur(40px) saturate(1.4) !important; -webkit-backdrop-filter:blur(40px) saturate(1.4) !important;
        }
        [data-theme="day"] .material-card:hover {
            border-color: rgba(79,110,246,0.25) !important;
            transform: translateY(-3px);
            box-shadow: 0 10px 30px rgba(100,116,139,0.10), 0 4px 12px rgba(100,116,139,0.06), 0 0 0 1px rgba(79,110,246,0.08) !important;
        }

        [data-theme="day"] .card-checkbox {
            border-color: #CBD5E1 !important;
            background: rgba(148,163,184,0.05) !important;
        }
        [data-theme="day"] .card-checkbox:checked {
            background: #4F6EF6 !important; border-color: #4F6EF6 !important;
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='white'%3E%3Cpath d='M9 16.17L4.83 12l-1.42 1.41L9 19 21 7l-1.41-1.41L9 16.17z'/%3E%3C/svg%3E") !important;
            background-size: 12px !important; background-position: center !important; background-repeat: no-repeat !important;
        }
        [data-theme="day"] .card-checkbox:hover { border-color: #4F6EF6 !important; }

        [data-theme="day"] .material-name { color: #1E293B !important; }
        [data-theme="day"] .material-meta { color: #94A3B8 !important; }

        [data-theme="day"] .status-tag.pending { background: rgba(217,119,6,0.08) !important; color: #b45309 !important; }
        [data-theme="day"] .status-tag.processing { background: rgba(79,70,229,0.08) !important; color: #4F46E5 !important; }
        [data-theme="day"] .status-tag.completed { background: rgba(22,163,74,0.08) !important; color: #15803d !important; }
        [data-theme="day"] .status-tag.failed { background: rgba(220,38,38,0.06) !important; color: #dc2626 !important; }

        [data-theme="day"] .progress-bar { background: #E2E8F0 !important; }
        [data-theme="day"] .progress-fill { background: linear-gradient(90deg, #4F6EF6, #8BA4F8) !important; }
        [data-theme="day"] .progress-text { color: #94A3B8 !important; }

        [data-theme="day"] .btn-sm.primary {
            background: transparent !important; color: #64748B !important;
            border-color: #E2E8F0 !important;
        }
        [data-theme="day"] .btn-sm.primary:hover { background: #EEF1FE !important; color: #4F6EF6 !important; border-color: rgba(79,110,246,0.25) !important; }
        [data-theme="day"] .btn-sm.success { background: rgba(22,163,74,0.06) !important; color: #15803d !important; border-color: rgba(22,163,74,0.18) !important; }
        [data-theme="day"] .btn-sm.success:hover { background: rgba(22,163,74,0.12) !important; }
        [data-theme="day"] .btn-sm.outline { color: #64748B !important; border-color: #E2E8F0 !important; }
        [data-theme="day"] .btn-sm.outline:hover { background: rgba(79,110,246,0.04) !important; color: #4F6EF6 !important; }
        [data-theme="day"] .btn-sm.danger { color: #dc2626 !important; border-color: rgba(220,38,38,0.18) !important; }
        [data-theme="day"] .btn-sm.danger:hover { background: rgba(220,38,38,0.06) !important; }

        [data-theme="day"] .empty-state {
            background:rgba(255, 255, 255, 0.82) !important;
            border-color:#E2E8F0 !important;
            box-shadow:0 1px 3px rgba(100,116,139,0.04) !important;
            backdrop-filter:blur(40px) saturate(1.4) !important; -webkit-backdrop-filter:blur(40px) saturate(1.4) !important;
        }
        [data-theme="day"] .empty-icon { color: #b8a88a !important; }
        [data-theme="day"] .empty-text { color: rgba(60, 50, 36, 0.7) !important; }
        [data-theme="day"] .empty-hint { color: rgba(60, 50, 36, 0.42) !important; }