/* ===== 全局变量与重置 ===== */
:root {
    --primary: #4361ee;
    --primary-light: #4895ef;
    --secondary: #3f37c9;
    --success: #4cc9f0;
    --danger: #f72585;
    --warning: #f8961e;
    --dark: #212529;
    --gray: #6c757d;
    --light: #f8f9fa;
    --white: #ffffff;
    --shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    --shadow-hover: 0 20px 40px rgba(67, 97, 238, 0.2);
    --border-radius: 16px;
    --transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
    scrollbar-width: thin;
    scrollbar-color: #c0c0c0 #789af3;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    scrollbar-width: thin;
    scrollbar-color: #c0c0c0 #789af3;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: linear-gradient(135deg, #f5f7fa 0%, #e9ecef 100%);
    min-height: 100vh;
    color: var(--dark);
    line-height: 1.6;
}

/* ===== 毛玻璃卡片效果 ===== */
.glass {
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.glass:hover {
    box-shadow: var(--shadow-hover);
    transform: translateY(-4px);
}

/* ===== 侧边栏 ===== */
.sidebar {
    width: 280px;
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(20px);
    height: 100vh;
    position: fixed;
    left: 0;
    top: 0;
    border-right: 1px solid rgba(0, 0, 0, 0.05);
    display: flex;
    flex-direction: column;
    transition: transform 0.3s;
    overflow-y: auto;
    z-index: 100;
    box-shadow: 2px 0 20px rgba(0, 0, 0, 0.05);
}

.sidebar-header {
    padding: 30px 25px;
    font-size: 1.5rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    display: flex;
    align-items: center;
    gap: 12px;
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

.sidebar-user {
    padding: 20px 25px;
    display: flex;
    align-items: center;
    gap: 12px;
    background: rgba(67, 97, 238, 0.08);
    margin: 15px;
    border-radius: 40px;
    font-weight: 500;
}

.sidebar-nav {
    flex: 1;
    padding: 20px 0;
}

.sidebar-nav a {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 12px 25px;
    color: var(--gray);
    text-decoration: none;
    transition: var(--transition);
    border-left: 4px solid transparent;
    font-weight: 500;
}

.sidebar-nav a i {
    width: 24px;
    font-size: 1.2rem;
    color: var(--primary);
}

.sidebar-nav a:hover,
.sidebar-nav a.active {
    background: rgba(67, 97, 238, 0.1);
    color: var(--primary);
    border-left-color: var(--primary);
}

.sidebar-footer {
    padding: 20px 25px;
    border-top: 1px solid rgba(0, 0, 0, 0.05);
}

.sidebar-footer a {
    color: var(--danger);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 500;
}

/* ===== 主内容区 ===== */
.main-content {
    margin-left: 280px;
    padding: 30px;
    animation: fadeIn 0.5s;
}

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

/* ===== 序列号状态栏 ===== */
.serial-bar {
    background: linear-gradient(135deg, #ffffff, #f8f9fa);
    padding: 15px 25px;
    border-radius: 50px;
    margin-bottom: 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 15px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
    border: 1px solid rgba(0, 0, 0, 0.05);
}

.serial-info {
    display: flex;
    align-items: center;
    gap: 15px;
    flex-wrap: wrap;
}

.serial-badge {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: white;
    padding: 8px 18px;
    border-radius: 40px;
    font-size: 0.9rem;
    font-weight: 500;
    box-shadow: 0 4px 10px rgba(67, 97, 238, 0.3);
}

.expire-badge {
    background: linear-gradient(135deg, var(--success), #3a86ff);
    color: white;
    padding: 8px 18px;
    border-radius: 40px;
    font-size: 0.9rem;
    font-weight: 500;
}

.expire-warning {
    background: linear-gradient(135deg, var(--warning), #f48c06);
}

.readonly-badge {
    background: linear-gradient(135deg, var(--danger), #b5179e);
    color: white;
    padding: 8px 18px;
    border-radius: 40px;
    font-size: 0.9rem;
    font-weight: 500;
}

.serial-actions button {
    background: none;
    border: 2px solid var(--primary);
    color: var(--primary);
    padding: 8px 20px;
    border-radius: 40px;
    cursor: pointer;
    transition: var(--transition);
    font-weight: 500;
}

.serial-actions button:hover {
    background: var(--primary);
    color: white;
    border-color: transparent;
}

/* ===== 统计卡片 ===== */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 25px;
    margin-bottom: 30px;
}

.stat-card {
    display: flex;
    align-items: center;
    padding: 25px;
    background: var(--white);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.stat-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
}

.stat-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 32px;
    margin-right: 20px;
}

.stat-title {
    color: var(--gray);
    font-size: 14px;
    letter-spacing: 1px;
    text-transform: uppercase;
}

.stat-value {
    font-size: 36px;
    font-weight: 700;
    color: var(--dark);
    line-height: 1.2;
}

/* ===== 图表容器 ===== */
.chart-container {
    height: 350px;
    position: relative;
    padding: 25px;
    margin-bottom: 30px;
    background: var(--white);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
}

.chart-container canvas {
    height: 100% !important;
    width: 100% !important;
}

.chart-container h3 {
    margin-bottom: 20px;
    font-size: 1.3rem;
    color: var(--dark);
    display: flex;
    align-items: center;
    gap: 10px;
}

/* ===== 表格美化 ===== */
.table {
    width: 100%;
    border-collapse: collapse;
    background: var(--white);
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow);
}

.table th {
    text-align: left;
    padding: 16px 20px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: white;
    font-weight: 600;
    font-size: 0.95rem;
    letter-spacing: 0.5px;
}

.table td {
    padding: 14px 20px;
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    color: var(--dark);
}

.table tbody tr:hover {
    background: rgba(67, 97, 238, 0.03);
}

.table.compact th,
.table.compact td {
    padding: 10px 16px;
}

/* ===== 表单元素 ===== */
.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: var(--dark);
    font-size: 0.95rem;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 14px 16px;
    border: 2px solid #e9ecef;
    border-radius: 12px;
    font-size: 1rem;
    background: var(--white);
    transition: var(--transition);
    box-shadow: inset 0 1px 3px rgba(0, 0, 0, 0.05);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(67, 97, 238, 0.15);
}

/* 搜索表单 */
.search-form {
    display: flex;
    gap: 10px;
    align-items: center;
}

.search-form input {
    padding: 12px 18px;
    border: 2px solid #e9ecef;
    border-radius: 40px;
    min-width: 280px;
    background: var(--white);
    transition: var(--transition);
}

.search-form input:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(67, 97, 238, 0.15);
}

.search-form button {
    background: var(--primary);
    color: white;
    border: none;
    width: 46px;
    height: 46px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.search-form button:hover {
    background: var(--secondary);
    transform: scale(1.05);
}

/* 筛选表单 */
.filter-form {
    display: flex;
    gap: 15px;
    align-items: center;
    flex-wrap: wrap;
}

.filter-form input[type="date"] {
    padding: 10px 15px;
    border: 2px solid #e9ecef;
    border-radius: 10px;
    background: var(--white);
}

/* ===== 按钮 ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 24px;
    border-radius: 40px;
    border: none;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    background: var(--white);
    color: var(--dark);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
    font-size: 0.95rem;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: white;
    box-shadow: 0 4px 15px rgba(67, 97, 238, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(67, 97, 238, 0.4);
}

.btn-danger {
    background: linear-gradient(135deg, var(--danger), #b5179e);
    color: white;
}

.btn-success {
    background: linear-gradient(135deg, var(--success), #3a86ff);
    color: white;
}

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

.btn-icon {
    background: none;
    border: none;
    color: var(--gray);
    cursor: pointer;
    padding: 8px;
    border-radius: 50%;
    transition: var(--transition);
}

.btn-icon:hover {
    background: rgba(67, 97, 238, 0.1);
    color: var(--primary);
}

/* ===== 卡片 ===== */
.card {
    background: var(--white);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    margin-bottom: 30px;
    overflow: hidden;
    transition: var(--transition);
}

.card:hover {
    box-shadow: var(--shadow-hover);
}

.card-header {
    padding: 20px 25px;
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: rgba(248, 249, 250, 0.5);
}

.card-header h3 {
    font-size: 1.2rem;
    color: var(--dark);
    display: flex;
    align-items: center;
    gap: 10px;
}

.card-body {
    padding: 25px;
}

/* ===== 两列布局 ===== */
.dashboard-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 25px;
    margin-bottom: 25px;
}

.dashboard-col {
    padding: 20px;
    background: var(--white);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
}

/* ===== 活动时间轴 ===== */
.activity-feed {
    max-height: 350px;
    overflow-y: auto;
    padding-right: 10px;
}

.activity-item {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 12px 0;
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

.activity-item i {
    width: 36px;
    height: 36px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 16px;
}

.activity-item small {
    color: var(--gray);
    font-size: 0.8rem;
    display: block;
    margin-top: 2px;
}

/* ===== 分页 ===== */
.pagination {
    margin-top: 25px;
    display: flex;
    gap: 8px;
    justify-content: center;
}

.pagination a {
    padding: 8px 16px;
    border: 1px solid #e9ecef;
    border-radius: 8px;
    text-decoration: none;
    color: var(--dark);
    transition: var(--transition);
}

.pagination a:hover,
.pagination a.active {
    background: var(--primary);
    color: white;
    border-color: var(--primary);
}

/* ===== 模态框 ===== */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 2000;
    justify-content: center;
    align-items: center;
    backdrop-filter: blur(5px);
}

.modal.show {
    display: flex;
    animation: modalFadeIn 0.3s;
}

@keyframes modalFadeIn {
    from { opacity: 0; transform: scale(0.9); }
    to { opacity: 1; transform: scale(1); }
}

.modal-content {
    background: var(--white);
    border-radius: 24px;
    width: 700px;
    max-width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    padding: 30px;
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.3);
}

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

.modal-close {
    background: none;
    border: none;
    font-size: 28px;
    cursor: pointer;
    color: var(--gray);
    line-height: 1;
}

.modal-close:hover {
    color: var(--danger);
}

/* ===== Toast 通知 ===== */
.toast-container {
    position: fixed;
    top: 30px;
    right: 30px;
    z-index: 9999;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.toast {
    min-width: 300px;
    padding: 16px 20px;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-radius: 50px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
    display: flex;
    align-items: center;
    gap: 15px;
    border-left: 5px solid;
    animation: slideInRight 0.3s;
}

.toast-success { border-left-color: var(--success); }
.toast-error { border-left-color: var(--danger); }
.toast-info { border-left-color: var(--primary); }

.toast i { font-size: 1.8rem; }
.toast-success i { color: var(--success); }
.toast-error i { color: var(--danger); }
.toast-info i { color: var(--primary); }

@keyframes slideInRight {
    from { transform: translateX(100%); opacity: 0; }
    to { transform: translateX(0); opacity: 1; }
}

/* ===== 徽章 ===== */
.badge {
    display: inline-block;
    padding: 4px 12px;
    border-radius: 40px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}
.badge-success { background: rgba(76, 201, 240, 0.15); color: var(--success); }
.badge-danger { background: rgba(247, 37, 133, 0.15); color: var(--danger); }
.badge-warning { background: rgba(248, 150, 30, 0.15); color: var(--warning); animation: blink 1.5s infinite; }

@keyframes blink {
    0% { opacity: 1; }
    50% { opacity: 0.6; }
    100% { opacity: 1; }
}

/* ===== 响应式设计 ===== */
@media (max-width: 1024px) {
    .stats-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 768px) {
    .sidebar { transform: translateX(-100%); position: fixed; z-index: 1000; }
    .sidebar.show { transform: translateX(0); }
    .main-content { margin-left: 0; padding: 20px; }
    .sidebar-toggle { display: block; position: fixed; top: 20px; left: 20px; z-index: 1001; background: var(--primary); color: white; border: none; width: 50px; height: 50px; border-radius: 50%; box-shadow: 0 4px 15px rgba(67, 97, 238, 0.4); cursor: pointer; font-size: 1.2rem; }
    .stats-grid { grid-template-columns: 1fr; }
    .dashboard-row { grid-template-columns: 1fr; }
    .serial-bar { flex-direction: column; align-items: flex-start; }
    .serial-info { width: 100%; }
    .serial-actions { width: 100%; }
    .serial-actions button { width: 100%; }
}

/* ===== 打印样式 ===== */
@media print {
    body * {
        visibility: hidden;
    }
    .print-area, .print-area * {
        visibility: visible;
    }
    .print-area {
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        margin: 0;
        padding: 1cm;
    }
    .no-print, .sidebar, .sidebar-toggle, .serial-bar, .footer, .btn, .card-header .btn, .pagination, .filter-form, .search-form, .card-tools, .modal, .toast-container {
        display: none !important;
    }
    table {
        width: 100%;
        border-collapse: collapse;
    }
    th, td {
        border: 1px solid #ddd;
        padding: 8px;
        text-align: left;
    }
}

/* ===== 工具类 ===== */
.text-muted { color: var(--gray); }
.text-success { color: var(--success); }
.text-danger { color: var(--danger); }
.mb-4 { margin-bottom: 1.5rem; }
.mt-4 { margin-top: 1.5rem; }
.required { color: var(--danger); font-size: 0.9rem; margin-left: 3px; }

/* 批量出入库表格样式 */
.batch-table {
    width: 100%;
    margin-bottom: 20px;
    border-collapse: collapse;
}
.batch-table th, .batch-table td {
    border: 1px solid #e2e8f0;
    padding: 10px;
    text-align: left;
}
.batch-table th {
    background: #f8fafc;
}
.add-row-btn {
    margin-top: 10px;
}
/* ===== 全局搜索框 ===== */
.global-search {
    position: relative;
    margin-bottom: 20px;
}
.global-search input {
    width: 100%;
    padding: 14px 20px;
    border: 2px solid #e9ecef;
    border-radius: 50px;
    font-size: 1rem;
    background: var(--white);
    transition: var(--transition);
    padding-right: 50px;
}
.global-search input:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(67, 97, 238, 0.15);
    outline: none;
}
.global-search button {
    position: absolute;
    right: 5px;
    top: 5px;
    background: var(--primary);
    color: white;
    border: none;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    cursor: pointer;
    transition: var(--transition);
}
.global-search button:hover {
    background: var(--secondary);
    transform: scale(1.02);
}
.search-results {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: white;
    border-radius: 16px;
    box-shadow: var(--shadow);
    max-height: 400px;
    overflow-y: auto;
    z-index: 1000;
    display: none;
}
.search-results.show {
    display: block;
}
.search-result-item {
    padding: 12px 20px;
    border-bottom: 1px solid #e9ecef;
    cursor: pointer;
    transition: background 0.2s;
}
.search-result-item:hover {
    background: #f8f9fa;
}
.search-result-item i {
    margin-right: 10px;
    color: var(--primary);
}
.search-result-item .title {
    font-weight: 500;
}
.search-result-item .subtitle {
    font-size: 0.85rem;
    color: var(--gray);
}

/* ===== 高级筛选栏 ===== */
.filter-bar {
    background: var(--white);
    border-radius: 12px;
    padding: 15px 20px;
    margin-bottom: 20px;
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
    align-items: flex-end;
    box-shadow: 0 2px 8px rgba(0,0,0,0.05);
}
.filter-group {
    flex: 1;
    min-width: 150px;
}
.filter-group label {
    display: block;
    font-size: 0.8rem;
    color: var(--gray);
    margin-bottom: 5px;
}
.filter-group input,
.filter-group select {
    width: 100%;
    padding: 8px 12px;
    border: 1px solid #e2e8f0;
    border-radius: 8px;
}
.filter-actions {
    display: flex;
    gap: 10px;
}