/* 刀具管理系统 v1.4 - 自定义样式 */

/* =================== 全局样式 =================== */
:root {
    --primary-color: #2563eb;
    --primary-dark: #1d4ed8;
    --secondary-color: #64748b;
    --success-color: #059669;
    --warning-color: #d97706;
    --danger-color: #dc2626;
    --info-color: #0891b2;
    --light-color: #f8fafc;
    --dark-color: #1e293b;
    --border-color: #e2e8f0;
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1);
    --border-radius: 0.5rem;
    --transition: all 0.2s ease-in-out;
}

* {
    box-sizing: border-box;
}

body {
    font-family: 'Inter', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: #f1f5f9;
    color: var(--dark-color);
    line-height: 1.6;
}

/* =================== 布局优化 =================== */
.sidebar {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    min-height: 100vh;
    box-shadow: var(--shadow-lg);
    border-right: none;
    transition: left 0.3s ease;
}

.sidebar .nav-link {
    color: rgba(255, 255, 255, 0.8);
    transition: var(--transition);
    border-radius: var(--border-radius);
    margin: 0.25rem 0;
    padding: 0.75rem 1rem;
}

.sidebar .nav-link:hover,
.sidebar .nav-link.active {
    color: white;
    background-color: rgba(255, 255, 255, 0.1);
    transform: translateX(4px);
}

.sidebar .nav-link i {
    margin-right: 0.5rem;
    width: 1.25rem;
}

.main-content {
    padding: 2rem;
    min-height: 100vh;
    transition: margin-left 0.3s ease;
}

/* 移动端导航切换按钮 */
.mobile-nav-toggle {
    display: none;
    position: fixed;
    top: 1rem;
    left: 1rem;
    z-index: 1060;
    background: var(--primary-color);
    border: none;
    color: white;
    padding: 0.5rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-md);
}

/* 移动端遮罩层 */
.mobile-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 1040;
}

/* 移动端响应式优化 */
@media (max-width: 768px) {
    .sidebar {
        position: fixed;
        top: 0;
        left: -100%;
        width: 280px;
        height: 100vh;
        z-index: 1050;
    }
    
    .sidebar.show {
        left: 0;
    }
    
    .main-content {
        margin-left: 0;
        padding: 1rem;
        padding-top: 4rem; /* 为移动端导航按钮留出空间 */
    }
    
    .mobile-nav-toggle {
        display: block;
    }
    
    .mobile-overlay.show {
        display: block;
    }
    
    /* 移动端字体和间距优化 */
    body {
        font-size: 14px;
    }
    
    .card {
        margin-bottom: 1rem;
    }
    
    .card-body {
        padding: 1rem;
    }
    
    .btn {
        padding: 0.5rem 1rem;
        font-size: 14px;
        min-height: 44px; /* 触摸友好 */
    }
    
    .nav-tabs {
        flex-wrap: wrap;
    }
    
    .nav-tabs .nav-link {
        font-size: 14px;
        padding: 0.5rem 0.75rem;
    }
    
    /* 移动端表格优化 */
    .table-responsive {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }
    
    .table th,
    .table td {
        min-width: 120px;
        white-space: nowrap;
        font-size: 14px;
    }
    
    /* 移动端模态框优化 */
    .modal-dialog {
        margin: 0.5rem;
        max-width: calc(100% - 1rem);
    }
    
    .modal-body {
        padding: 1rem;
    }
    
    .form-control,
    .form-select {
        font-size: 16px; /* 防止iOS缩放 */
        min-height: 44px;
    }
    
    /* 移动端统计卡片优化 */
    .stats-card {
        margin-bottom: 1rem;
    }
    
    .stats-card .card-body {
        padding: 1rem;
    }
    
    .stats-card h4 {
        font-size: 1.5rem;
    }
    
    .stats-card p {
        font-size: 0.875rem;
    }
}

/* =================== 卡片样式 =================== */
.card {
    border: none;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    background: white;
}

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

.card-header {
    background: var(--light-color);
    border-bottom: 1px solid var(--border-color);
    border-radius: var(--border-radius) var(--border-radius) 0 0 !important;
    padding: 1rem 1.5rem;
}

.card-title {
    color: var(--dark-color);
    font-weight: 600;
    margin-bottom: 0;
}

.card-body {
    padding: 1.5rem;
}

/* =================== 统计卡片 =================== */
.stats-card {
    position: relative;
    overflow: hidden;
    border-left: 4px solid var(--primary-color);
}

.stats-card::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 100px;
    height: 100px;
    background: linear-gradient(135deg, var(--primary-color), transparent);
    opacity: 0.1;
    border-radius: 50% 0 0 50%;
}

.stats-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-color);
    line-height: 1;
}

.stats-label {
    font-size: 0.875rem;
    color: var(--secondary-color);
    font-weight: 500;
}

.stats-icon {
    font-size: 3rem;
    opacity: 0.3;
    position: absolute;
    top: 1rem;
    right: 1rem;
}

/* =================== 按钮优化 =================== */
.btn {
    border-radius: var(--border-radius);
    font-weight: 500;
    transition: var(--transition);
    border: none;
    padding: 0.75rem 1.5rem;
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: left 0.5s;
}

.btn:hover::before {
    left: 100%;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: white;
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--primary-dark), #1e40af);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    color: white;
}

.btn-success {
    background: linear-gradient(135deg, var(--success-color), #047857);
}

.btn-warning {
    background: linear-gradient(135deg, var(--warning-color), #b45309);
}

.btn-danger {
    background: linear-gradient(135deg, var(--danger-color), #b91c1c);
}

.btn-info {
    background: linear-gradient(135deg, var(--info-color), #0e7490);
}

/* =================== 表格优化 =================== */
.table {
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.table thead th {
    background: var(--light-color);
    border-bottom: 2px solid var(--border-color);
    font-weight: 600;
    color: var(--dark-color);
    padding: 1rem;
}

.table tbody tr {
    transition: var(--transition);
}

.table tbody tr:hover {
    background-color: rgba(37, 99, 235, 0.05);
    transform: scale(1.01);
}

.table td {
    padding: 1rem;
    vertical-align: middle;
    border-bottom: 1px solid var(--border-color);
}

/* =================== 表单优化 =================== */
.form-control,
.form-select {
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius);
    transition: var(--transition);
    padding: 0.75rem;
}

.form-control:focus,
.form-select:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
    outline: none;
}

.form-label {
    font-weight: 600;
    color: var(--dark-color);
    margin-bottom: 0.5rem;
}

/* =================== 搜索框优化 =================== */
.search-container {
    position: relative;
    max-width: 400px;
    margin: 0 auto;
}

.search-input {
    padding-left: 3rem;
    border-radius: 50px;
    border: 2px solid var(--border-color);
    transition: var(--transition);
}

.search-input:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.search-icon {
    position: absolute;
    left: 1rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--secondary-color);
}

/* =================== 通知优化 =================== */
.alert {
    border: none;
    border-radius: var(--border-radius);
    padding: 1rem 1.5rem;
    margin-bottom: 1.5rem;
    border-left: 4px solid;
}

.alert-success {
    background: #d1fae5;
    color: #065f46;
    border-left-color: var(--success-color);
}

.alert-danger {
    background: #fee2e2;
    color: #991b1b;
    border-left-color: var(--danger-color);
}

.alert-warning {
    background: #fef3c7;
    color: #92400e;
    border-left-color: var(--warning-color);
}

.alert-info {
    background: #e0f2fe;
    color: #0c4a6e;
    border-left-color: var(--info-color);
}

/* =================== 徽章优化 =================== */
.badge {
    border-radius: 50px;
    padding: 0.5rem 1rem;
    font-weight: 500;
    font-size: 0.75rem;
}

.badge-low-stock {
    background: linear-gradient(135deg, #fef3c7, #fed7aa);
    color: #92400e;
}

.badge-out-of-stock {
    background: linear-gradient(135deg, #fee2e2, #fecaca);
    color: #991b1b;
}

.badge-normal-stock {
    background: linear-gradient(135deg, #d1fae5, #bbf7d0);
    color: #065f46;
}

/* =================== 加载动画 =================== */
.loading-spinner {
    display: inline-block;
    width: 1.5rem;
    height: 1.5rem;
    border: 2px solid rgba(37, 99, 235, 0.2);
    border-radius: 50%;
    border-top-color: var(--primary-color);
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

/* =================== 悬浮效果 =================== */
.hover-lift {
    transition: var(--transition);
}

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

/* =================== 分页优化 =================== */
.pagination .page-item .page-link {
    border: none;
    border-radius: var(--border-radius);
    margin: 0 0.25rem;
    color: var(--secondary-color);
    transition: var(--transition);
}

.pagination .page-item.active .page-link {
    background: var(--primary-color);
    border-color: var(--primary-color);
}

.pagination .page-item .page-link:hover {
    background: var(--light-color);
    color: var(--primary-color);
    transform: translateY(-2px);
}

/* =================== 响应式优化 =================== */
@media (max-width: 768px) {
    .main-content {
        padding: 1rem;
    }
    
    .stats-number {
        font-size: 2rem;
    }
    
    .card-body {
        padding: 1rem;
    }
    
    .table-responsive {
        border-radius: var(--border-radius);
    }
}

/* =================== 动画效果 =================== */
.fade-in {
    animation: fadeIn 0.3s ease-in;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.slide-up {
    animation: slideUp 0.3s ease-out;
}

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

/* =================== 顶部导航优化 =================== */
.navbar-brand {
    font-weight: 700;
    font-size: 1.5rem;
    color: white !important;
}

.navbar {
    box-shadow: var(--shadow-md);
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark)) !important;
}

/* =================== 工具提示优化 =================== */
.tooltip {
    font-size: 0.875rem;
}

.tooltip-inner {
    background: var(--dark-color);
    border-radius: var(--border-radius);
    padding: 0.5rem 1rem;
}

/* =================== 快速操作按钮 =================== */
.quick-action-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 1.5rem;
    background: white;
    border-radius: var(--border-radius);
    text-decoration: none;
    color: var(--secondary-color);
    transition: var(--transition);
    border: 2px solid var(--border-color);
    height: 100%;
}

.quick-action-btn:hover {
    color: var(--primary-color);
    border-color: var(--primary-color);
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
    text-decoration: none;
}

.quick-action-btn i {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.quick-action-btn .btn-title {
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.quick-action-btn .btn-desc {
    font-size: 0.875rem;
    opacity: 0.8;
    text-align: center;
}

/* =================== 状态指示器 =================== */
.status-indicator {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    display: inline-block;
    margin-right: 0.5rem;
}

.status-active {
    background: var(--success-color);
    box-shadow: 0 0 0 2px rgba(5, 150, 105, 0.2);
}

.status-inactive {
    background: var(--secondary-color);
    box-shadow: 0 0 0 2px rgba(100, 116, 139, 0.2);
}

.status-warning {
    background: var(--warning-color);
    box-shadow: 0 0 0 2px rgba(217, 119, 6, 0.2);
}

/* =================== 暗色模式支持 =================== */
@media (prefers-color-scheme: dark) {
    body {
        background-color: #0f172a;
        color: #e2e8f0;
    }
    
    .card {
        background: #1e293b;
        color: #e2e8f0;
    }
    
    .card-header {
        background: #334155;
        border-bottom-color: #475569;
    }
    
    .table thead th {
        background: #334155;
        color: #e2e8f0;
    }
    
    .form-control,
    .form-select {
        background: #1e293b;
        border-color: #475569;
        color: #e2e8f0;
    }
}

/* =================== 零库存样式优化 =================== */
/* 零库存现在与正常状态显示一致，使用默认的白色背景 */
/* 只保留文字颜色为红色，表示预警状态 */