/* 本文件由 scripts/split_css.py 从原 main.css 切分而来，级联顺序不变。 */
/* ---------- Cards (Ultra Frosted Glass) ---------- */
.card {
    background: 
        var(--glass-reflection),
        linear-gradient(180deg, rgba(255,255,255,0.45) 0%, rgba(255,255,255,0.3) 100%);
    backdrop-filter: var(--glass-blur-heavy);
    -webkit-backdrop-filter: var(--glass-blur-heavy);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--glass-shadow);
    overflow: hidden;
    margin-bottom: var(--space-5);
    position: relative;
    transition: all var(--transition-normal);
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.8), transparent);
    pointer-events: none;
}

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

.card-header {
    padding: var(--space-5) var(--space-6);
    border-bottom: 1px solid var(--border-light);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.card-header h3 { font-size: 16px; font-weight: 700; color: var(--text-primary); display: flex; align-items: center; gap: var(--space-2); }
.card-header h3 i { color: var(--apple-blue); font-size: 20px; }

.card-body { padding: var(--space-6); }

.table-card {
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--glass-shadow);
    overflow: hidden;
    margin-bottom: var(--space-5);
}

/* ---------- KPI Cards ---------- */
.kpi-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--space-4);
    margin-bottom: var(--space-5);
}

.kpi-card {
    background: 
        var(--glass-reflection),
        linear-gradient(135deg, rgba(255,255,255,0.7) 0%, rgba(255,255,255,0.5) 100%);
    backdrop-filter: var(--glass-blur-heavy);
    -webkit-backdrop-filter: var(--glass-blur-heavy);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    padding: var(--space-5);
    display: flex;
    align-items: center;
    gap: var(--space-4);
    box-shadow: var(--glass-shadow);
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.kpi-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--apple-blue), var(--apple-indigo), var(--apple-purple));
}

.kpi-card::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.8), transparent);
}

.kpi-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--glass-shadow-hover);
}

.kpi-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 22px;
    flex-shrink: 0;
}

.kpi-info { flex: 1; min-width: 0; }
.kpi-value { font-size: 28px; font-weight: 700; color: var(--text-primary); line-height: 1.2; letter-spacing: -0.5px; }
.kpi-label { font-size: 12px; color: var(--text-secondary); margin-top: 2px; }

/* ---------- Page Header ---------- */
.page-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    margin-bottom: 24px;
    gap: 16px;
}

.page-header .header-left { flex: 1; min-width: 0; }
.page-header h1 { font-size: 24px; font-weight: 700; color: var(--text-primary); letter-spacing: -0.5px; margin-bottom: 4px; }
.page-header .page-desc { font-size: 14px; color: var(--text-secondary); margin: 0; }
.page-header .btn { flex-shrink: 0; }

.header-actions { display: flex; gap: 10px; align-items: center; flex-shrink: 0; }

/* ---------- Buttons (Apple Style) ---------- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 9px 18px;
    min-height: 36px;
    border: 1px solid transparent;
    border-radius: 10px;
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    text-decoration: none;
    white-space: nowrap;
    font-family: inherit;
    letter-spacing: -0.1px;
    line-height: 1;
}

.btn-primary {
    background: linear-gradient(180deg, #0A84FF 0%, #007AFF 100%);
    color: white;
    border-color: rgba(0, 122, 255, 0.3);
    box-shadow: 0 1px 3px rgba(0, 122, 255, 0.2), 0 1px 2px rgba(0, 0, 0, 0.05);
}
.btn-primary:hover {
    background: linear-gradient(180deg, #1A8FFF 0%, #0A84FF 100%);
    color: white;
    box-shadow: 0 4px 12px rgba(0, 122, 255, 0.3), 0 2px 4px rgba(0, 0, 0, 0.08);
    transform: translateY(-1px);
}
.btn-primary:active { transform: translateY(0); box-shadow: 0 1px 2px rgba(0, 122, 255, 0.2); }

.btn-secondary {
    background: 
        linear-gradient(180deg, rgba(255,255,255,0.7) 0%, rgba(255,255,255,0.5) 100%);
    color: var(--text-primary);
    border-color: var(--glass-border);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    box-shadow: 
        0 1px 2px rgba(255,255,255,0.6) inset,
        0 1px 3px rgba(0,0,0,0.06);
}
.btn-secondary:hover { 
    background: linear-gradient(180deg, rgba(255,255,255,0.85) 0%, rgba(255,255,255,0.65) 100%);
    color: var(--text-primary);
    box-shadow: 
        0 1px 2px rgba(255,255,255,0.8) inset,
        0 4px 12px rgba(0,0,0,0.08);
    transform: translateY(-1px);
}

.btn-outline {
    background: 
        linear-gradient(180deg, rgba(255,255,255,0.5) 0%, rgba(255,255,255,0.3) 100%);
    color: var(--apple-blue);
    border-color: rgba(0, 122, 255, 0.3);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    box-shadow: 
        0 1px 2px rgba(255,255,255,0.5) inset,
        0 1px 3px rgba(0,122,255,0.1);
}
.btn-outline:hover {
    background: linear-gradient(180deg, rgba(0,122,255,0.12) 0%, rgba(0,122,255,0.06) 100%);
    color: var(--apple-blue);
    border-color: rgba(0, 122, 255, 0.5);
    box-shadow: 
        0 1px 2px rgba(255,255,255,0.6) inset,
        0 4px 12px rgba(0,122,255,0.15);
    transform: translateY(-1px);
}

.btn-danger {
    background: linear-gradient(180deg, #FF453A 0%, #FF3B30 100%);
    color: white;
    border-color: rgba(255, 59, 48, 0.3);
    box-shadow: 0 1px 3px rgba(255, 59, 48, 0.2);
}
.btn-danger:hover {
    background: linear-gradient(180deg, #FF5A4F 0%, #FF453A 100%);
    color: white;
    box-shadow: 0 4px 12px rgba(255, 59, 48, 0.3);
    transform: translateY(-1px);
}

.btn-ghost {
    background: transparent;
    color: var(--text-secondary);
    border-color: transparent;
}
.btn-ghost:hover { background: rgba(120, 120, 128, 0.08); color: var(--text-primary); }

.btn-success {
    background: linear-gradient(180deg, #30D158 0%, #34C759 100%);
    color: white;
    border-color: rgba(52, 199, 89, 0.3);
    box-shadow: 0 1px 3px rgba(52, 199, 89, 0.2);
}
.btn-success:hover { background: linear-gradient(180deg, #40DB66 0%, #30D158 100%); color: white; box-shadow: 0 4px 12px rgba(52, 199, 89, 0.3); transform: translateY(-1px); }

.btn-warning {
    background: linear-gradient(180deg, #FFA100 0%, #FF9500 100%);
    color: white;
    border-color: rgba(255, 149, 0, 0.3);
    box-shadow: 0 1px 3px rgba(255, 149, 0, 0.2);
}
.btn-warning:hover { background: linear-gradient(180deg, #FFAB1A 0%, #FFA100 100%); color: white; box-shadow: 0 4px 12px rgba(255, 149, 0, 0.3); transform: translateY(-1px); }

.btn-sm { padding: 6px 12px; min-height: 30px; font-size: 12px; border-radius: 8px; gap: 4px; }
.btn-lg { padding: 12px 28px; min-height: 44px; font-size: 15px; border-radius: 12px; }
.btn-block { width: 100%; }
.btn:disabled { opacity: 0.4; cursor: not-allowed; transform: none !important; box-shadow: none !important; }

/* Button group */
.btn-group { display: inline-flex; gap: 8px; align-items: center; }
.btn-group .btn + .btn { margin-left: 0; }

/* Table action buttons */
.table-actions { display: flex; gap: 6px; align-items: center; flex-wrap: wrap; }
.table-actions .btn { flex-shrink: 0; }

/* ---------- Forms ---------- */
.form-group { margin-bottom: var(--space-4); }
.form-group label { display: block; font-size: 13px; font-weight: 600; color: var(--text-primary); margin-bottom: 6px; }
.form-group.full { grid-column: 1 / -1; }

.form-input, .form-select, textarea.form-input {
    width: 100%;
    padding: 9px 12px;
    border: 1px solid var(--glass-border-dark);
    border-radius: var(--radius-md);
    background: 
        linear-gradient(180deg, rgba(255,255,255,0.7) 0%, rgba(255,255,255,0.55) 100%);
    backdrop-filter: blur(10px) saturate(180%);
    -webkit-backdrop-filter: blur(10px) saturate(180%);
    font-size: 13px;
    color: var(--text-primary);
    transition: all var(--transition-fast);
    outline: none;
    font-family: inherit;
    box-shadow: 
        0 1px 2px rgba(255,255,255,0.5) inset,
        0 1px 2px rgba(0,0,0,0.03);
}

.form-input:focus, .form-select:focus, textarea.form-input:focus {
    border-color: var(--apple-blue);
    background: 
        linear-gradient(180deg, rgba(255,255,255,0.85) 0%, rgba(255,255,255,0.7) 100%);
    box-shadow: 
        0 1px 2px rgba(255,255,255,0.7) inset,
        0 0 0 3px rgba(0, 122, 255, 0.12),
        0 4px 12px rgba(0,122,255,0.08);
}

.form-input::placeholder { color: var(--text-quaternary); }

.form-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: var(--space-4); }

.input-icon { position: relative; }
.input-icon i { position: absolute; left: 12px; top: 50%; transform: translateY(-50%); color: var(--text-tertiary); font-size: 16px; }
.input-icon input { padding-left: 38px; }

/* ---------- Tables (Glass Style) ---------- */
.data-table { width: 100%; border-collapse: collapse; }
.data-table thead th {
    padding: 12px 16px;
    text-align: left;
    font-size: 11px;
    font-weight: 700;
    color: var(--text-tertiary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    background: 
        linear-gradient(180deg, rgba(255,255,255,0.5) 0%, rgba(255,255,255,0.35) 100%);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--glass-border);
    position: relative;
}

.data-table thead th::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.6), transparent);
}

.data-table tbody td {
    padding: 12px 16px;
    font-size: 13px;
    color: var(--text-primary);
    border-bottom: 1px solid var(--border-light);
    background: rgba(255,255,255,0.15);
}

.data-table tbody tr { transition: all var(--transition-fast); }
.data-table tbody tr:hover { 
    background: rgba(0, 122, 255, 0.06);
    box-shadow: inset 3px 0 0 var(--apple-blue);
}
.data-table tbody tr:last-child td { border-bottom: none; }

.empty-cell { text-align: center; color: var(--text-tertiary); padding: 40px 16px !important; font-size: 13px; }

.link { color: var(--apple-blue); font-weight: 500; cursor: pointer; }
.link:hover { text-decoration: underline; }

/* ---------- Status Badges (Glass Style) ---------- */
.status-badge {
    display: inline-flex;
    align-items: center;
    padding: 4px 12px;
    border-radius: var(--radius-full);
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.3px;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255,255,255,0.4);
    box-shadow: 
        0 1px 2px rgba(255,255,255,0.5) inset,
        0 1px 3px rgba(0,0,0,0.05);
    position: relative;
    overflow: hidden;
}

.status-badge::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 50%;
    background: linear-gradient(180deg, rgba(255,255,255,0.3) 0%, transparent 100%);
    pointer-events: none;
}

.status-draft, .status-pending { background: rgba(142, 142, 147, 0.2); color: #6e6e73; }
.status-reviewing, .status-review, .status-accepted, .status-testing, .status-in_progress { background: rgba(0, 122, 255, 0.18); color: var(--apple-blue); }
.status-approved, .status-completed, .status-pass, .status-issued { background: rgba(52, 199, 89, 0.18); color: var(--apple-green); }
.status-rejected, .status-fail, .status-cancelled { background: rgba(255, 59, 48, 0.18); color: var(--apple-red); }

.priority-badge {
    display: inline-flex;
    align-items: center;
    padding: 2px 8px;
    border-radius: var(--radius-sm);
    font-size: 11px;
    font-weight: 600;
}
.priority-normal { background: rgba(142, 142, 147, 0.12); color: #6e6e73; }
.priority-urgent { background: rgba(255, 149, 0, 0.12); color: var(--apple-orange); }
.priority-express { background: rgba(255, 59, 48, 0.12); color: var(--apple-red); }

/* ---------- Pagination ---------- */
.pagination {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: var(--space-3);
    padding: var(--space-4) var(--space-6);
    border-top: 1px solid var(--border-light);
}

.pagination span { font-size: 13px; color: var(--text-secondary); }
.page-info { font-weight: 600; color: var(--text-primary) !important; }

.page-btn {
    padding: 6px 12px;
    border: 1px solid var(--border-medium);
    background: var(--bg-secondary);
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-size: 12px;
    font-weight: 500;
    color: var(--text-secondary);
    transition: all var(--transition-fast);
}
.page-btn:hover:not(:disabled) { border-color: var(--apple-blue); color: var(--apple-blue); }
.page-btn:disabled { opacity: 0.4; cursor: not-allowed; }

/* ---------- Filter Bar ---------- */
.filter-bar {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 20px;
    flex-wrap: wrap;
    padding: 14px 18px;
    background: rgba(255, 255, 255, 0.5);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(0, 0, 0, 0.05);
    border-radius: 12px;
}

.filter-bar .form-select {
    width: auto;
    min-width: 160px;
    padding: 8px 12px;
    border-radius: 8px;
}
.filter-bar .form-input {
    width: 220px;
    padding: 8px 12px;
    border-radius: 8px;
}
.filter-bar .btn { min-height: 34px; padding: 7px 16px; }

/* ---------- Modal (Ultra Frosted Glass) ---------- */
.modal-overlay {
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(0, 0, 0, 0.25);
    backdrop-filter: blur(15px) saturate(180%);
    -webkit-backdrop-filter: blur(15px) saturate(180%);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    padding: var(--space-4);
    animation: fadeIn var(--transition-fast);
}
.modal-overlay.show {
    display: flex;
}


@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }

.modal {
    background: 
        var(--glass-reflection),
        linear-gradient(180deg, rgba(255,255,255,0.65) 0%, rgba(255,255,255,0.5) 100%);
    backdrop-filter: var(--glass-blur-ultra);
    -webkit-backdrop-filter: var(--glass-blur-ultra);
    border: 1px solid var(--glass-border-light);
    border-radius: var(--radius-xl);
    box-shadow: 
        0 1px 2px rgba(255,255,255,0.8) inset,
        0 -1px 1px rgba(0,0,0,0.05) inset,
        0 20px 60px rgba(0,0,0,0.15),
        0 8px 24px rgba(0,0,0,0.1);
    width: 100%;
    max-width: 560px;
    max-height: 85vh;
    display: flex;
    flex-direction: column;
    animation: modalSlideUp var(--transition-normal);
    overflow: hidden;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    margin: auto;
    z-index: 1001;
}

/* modal-overlay内的.modal保持relative定位（通过flex居中） */
.modal-overlay > .modal {
    position: relative;
    top: auto;
    left: auto;
    right: auto;
    bottom: auto;
    margin: 0;
    transform: none;
    z-index: auto;
}

/* 无overlay的.modal添加全屏背景遮罩 */
.modal::after {
    content: '';
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(0, 0, 0, 0.25);
    backdrop-filter: blur(15px) saturate(180%);
    -webkit-backdrop-filter: blur(15px) saturate(180%);
    z-index: -1;
}

/* modal-overlay内的.modal不需要额外遮罩 */
.modal-overlay > .modal::after {
    display: none;
}

.modal::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.9), transparent);
    pointer-events: none;
}

.modal-wide { max-width: 800px; }

@keyframes modalSlideUp {
    from { opacity: 0; transform: translateY(20px) scale(0.98); }
    to { opacity: 1; transform: translateY(0) scale(1); }
}

.modal-header {
    padding: var(--space-5) var(--space-6);
    border-bottom: 1px solid var(--border-light);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.modal-header h3 { font-size: 17px; font-weight: 700; color: var(--text-primary); }

.modal-close {
    width: 32px;
    height: 32px;
    border: none;
    background: transparent;
    border-radius: var(--radius-sm);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-tertiary);
    font-size: 18px;
    transition: all var(--transition-fast);
}
.modal-close:hover { background: var(--bg-tertiary); color: var(--text-primary); }

.modal-body { padding: var(--space-6); overflow-y: auto; flex: 1; }

/* Modal form inputs default styling */
.modal-body input,
.modal-body select,
.modal-body textarea {
    width: 100%;
    padding: 10px 14px;
    border: 1.5px solid #d1d1d6;
    border-radius: 10px;
    background: #ffffff;
    font-size: 14px;
    color: #1d1d1f;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    outline: none;
    font-family: inherit;
    box-sizing: border-box;
    display: block;
}

.modal-body input:focus,
.modal-body select:focus,
.modal-body textarea:focus {
    border-color: #007AFF;
    background: white;
    box-shadow: 0 0 0 4px rgba(0, 122, 255, 0.12);
}

.modal-body input::placeholder,
.modal-body textarea::placeholder {
    color: #aeaeb2;
}

.modal-body textarea { resize: vertical; min-height: 80px; }

.modal-body label {
    display: block;
    font-size: 13px;
    font-weight: 600;
    color: #1d1d1f;
    margin-bottom: 6px;
}

.modal-footer { padding: var(--space-4) var(--space-6); border-top: 1px solid var(--border-light); display: flex; justify-content: flex-end; gap: var(--space-3); }

/* ---------- Toast ---------- */
.toast {
    position: fixed;
    top: 24px;
    right: 24px;
    padding: 14px 20px;
    border-radius: var(--radius-md);
    background: var(--glass-bg-heavy);
    backdrop-filter: var(--glass-blur);
    color: var(--text-primary);
    font-size: 14px;
    font-weight: 500;
    box-shadow: var(--shadow-xl);
    z-index: 2000;
    transform: translateX(120%);
    transition: transform var(--transition-normal);
    max-width: 360px;
    display: flex;
    align-items: center;
    gap: 10px;
    border: 1px solid var(--glass-border);
}

.toast.show { transform: translateX(0); }
.toast.success { border-left: 3px solid var(--apple-green); }
.toast.error { border-left: 3px solid var(--apple-red); }
.toast.warning { border-left: 3px solid var(--apple-orange); }
.toast.info { border-left: 3px solid var(--apple-blue); }

/* ---------- Tabs (Glass Style) ---------- */
.tabs { 
    display: flex; 
    gap: var(--space-2); 
    border-bottom: 1px solid var(--glass-border); 
    margin-bottom: var(--space-5);
    padding: 4px;
    background: rgba(255,255,255,0.2);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-radius: var(--radius-md);
}
.tab-btn {
    padding: 8px 16px;
    border: 1px solid transparent;
    background: transparent;
    cursor: pointer;
    font-size: 14px;
    font-weight: 500;
    color: var(--text-secondary);
    position: relative;
    transition: all var(--transition-fast);
    font-family: inherit;
    border-radius: var(--radius-sm);
}
.tab-btn:hover { 
    color: var(--text-primary); 
    background: rgba(255,255,255,0.4);
}
.tab-btn.active { 
    color: var(--apple-blue); 
    font-weight: 600;
    background: 
        linear-gradient(180deg, rgba(255,255,255,0.7) 0%, rgba(255,255,255,0.5) 100%);
    border-color: var(--glass-border);
    box-shadow: 
        0 1px 2px rgba(255,255,255,0.6) inset,
        0 2px 8px rgba(0,0,0,0.06);
}
.tab-btn.active::after {
    content: '';
    position: absolute;
    bottom: -1px;
    left: 20%;
    right: 20%;
    height: 2px;
    background: linear-gradient(90deg, var(--apple-blue), var(--apple-indigo));
    border-radius: 1px 1px 0 0;
    box-shadow: 0 0 6px rgba(0,122,255,0.4);
}

.tab-content { display: none; }
.tab-content.active { display: block; }

/* ---------- Chart Card ---------- */
.chart-card {
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    padding: var(--space-5);
    box-shadow: var(--glass-shadow);
    margin-bottom: var(--space-5);
}

.chart-card h4 { font-size: 14px; font-weight: 600; color: var(--text-primary); margin-bottom: var(--space-4); }
.chart-container { width: 100%; height: 300px; }

.charts-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(400px, 1fr)); gap: var(--space-5); }

/* ---------- Login Page ---------- */
.login-body {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-4);
}

.login-container {
    display: flex;
    width: 100%;
    max-width: 900px;
    background: 
        var(--glass-reflection),
        linear-gradient(180deg, rgba(255,255,255,0.65) 0%, rgba(255,255,255,0.5) 100%);
    backdrop-filter: var(--glass-blur-ultra);
    -webkit-backdrop-filter: var(--glass-blur-ultra);
    border: 1px solid var(--glass-border-light);
    border-radius: var(--radius-2xl);
    box-shadow: 
        0 1px 2px rgba(255,255,255,0.8) inset,
        0 -1px 1px rgba(0,0,0,0.05) inset,
        0 30px 80px rgba(0,0,0,0.15),
        0 10px 30px rgba(0,0,0,0.1);
    overflow: hidden;
    min-height: 520px;
    position: relative;
}

.login-container::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.9), transparent);
    z-index: 1;
}

.login-left {
    flex: 1;
    background: linear-gradient(135deg, var(--apple-blue), var(--apple-indigo));
    padding: var(--space-8);
    display: flex;
    flex-direction: column;
    justify-content: center;
    color: white;
}

.login-brand { margin-bottom: var(--space-8); }
.login-logo {
    width: 56px;
    height: 56px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    margin-bottom: var(--space-5);
}

.login-left h1 { font-size: 28px; font-weight: 700; margin-bottom: var(--space-2); letter-spacing: -0.5px; }
.login-left p { font-size: 14px; opacity: 0.85; }

.login-features { display: flex; flex-direction: column; gap: var(--space-4); }
.feature-item { display: flex; align-items: center; gap: var(--space-3); font-size: 14px; opacity: 0.9; }
.feature-item i { font-size: 18px; }

.login-right {
    flex: 1;
    padding: var(--space-8);
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.login-form-wrapper { width: 100%; max-width: 320px; margin: 0 auto; }
.login-form-wrapper h2 { font-size: 24px; font-weight: 700; color: var(--text-primary); margin-bottom: var(--space-2); }
.login-subtitle { font-size: 14px; color: var(--text-secondary); margin-bottom: var(--space-6); }
.login-footer { margin-top: var(--space-6); text-align: center; font-size: 13px; }
.login-footer a { color: var(--apple-blue); }

/* ---------- Detail Grid ---------- */
.detail-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--space-4);
}
.detail-grid > div { padding: var(--space-3); background: var(--bg-tertiary); border-radius: var(--radius-md); font-size: 13px; }

/* ---------- Empty State ---------- */
.empty-state {
    text-align: center;
    padding: var(--space-8);
    color: var(--text-tertiary);
}
.empty-state i { font-size: 48px; margin-bottom: var(--space-4); opacity: 0.5; }
.empty-state p { font-size: 14px; }

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
    .sidebar { transform: translateX(-100%); }
    .sidebar.mobile-open { transform: translateX(0); }
    .main-wrapper { margin-left: 0; }
    .charts-grid { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
    .page-content { padding: var(--space-4); }
    .kpi-grid { grid-template-columns: 1fr 1fr; }
    .form-grid { grid-template-columns: 1fr; }
    .login-container { flex-direction: column; }
    .login-left { display: none; }
    .header-search input { width: 160px; }
    .header-search input:focus { width: 200px; }
    .page-title { font-size: 16px; }
    /* 表格移动端横向滚动 */
    .table-card { overflow-x: auto; -webkit-overflow-scrolling: touch; }
    .data-table { min-width: 700px; }
    .table-actions { flex-wrap: wrap; gap: 4px; }
    .table-actions .btn { padding: 4px 8px; font-size: 12px; }
    .page-header { flex-direction: column; align-items: flex-start; gap: 8px; }
    .filter-bar { flex-direction: column; align-items: stretch; }
    .filter-bar input, .filter-bar select { width: 100%; }
}

@media (max-width: 480px) {
    .kpi-grid { grid-template-columns: 1fr; }
    .topbar { padding: 0 var(--space-4); }
    .lang-switch { display: none; }
}