/**
 * LLQA 系统设计方案1: 蓝色科技专业风
 * 特点: 稳重专业,适合企业级质量管理系统
 */

/* ==================== 字体设置 ==================== */
@import url('https://fonts.googleapis.com/css2?family=Noto+Sans:wght@300;400;500;600;700&family=Noto+Sans+SC:wght@300;400;500;600;700&display=swap');

* {
    font-family: 'Noto Sans', 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

/* ==================== 颜色变量 ==================== */
:root {
    --primary-color: #2563eb;
    --primary-dark: #1e40af;
    --primary-light: #3b82f6;
    --success-color: #10b981;
    --warning-color: #f59e0b;
    --error-color: #ef4444;
    --secondary-color: #64748b;
    --background-light: #f8fafc;
    --border-color: #e2e8f0;
    --text-primary: #1e293b;
    --text-secondary: #64748b;
    --text-light: #94a3b8;
}

/* ==================== 全局样式 ==================== */
body {
    font-size: 15px;
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--background-light);
}

h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 1rem;
}

h1 { font-size: 2rem; }
h2 { font-size: 1.75rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }
h5 { font-size: 1.125rem; }
h6 { font-size: 1rem; }

/* ==================== 导航栏 ==================== */
.navbar {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%) !important;
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.15);
    padding: 1rem 0;
    border: none !important;
}

.navbar-brand {
    font-size: 1.5rem;
    font-weight: 700;
    color: white !important;
    letter-spacing: 0.5px;
}

.navbar-nav .nav-link {
    color: rgba(255, 255, 255, 0.9) !important;
    font-weight: 500;
    padding: 0.5rem 1rem !important;
    border-radius: 6px;
    transition: all 0.3s ease;
}

.navbar-nav .nav-link:hover,
.navbar-nav .nav-link.active {
    background-color: rgba(255, 255, 255, 0.15);
    color: white !important;
}

.navbar .dropdown-menu {
    border: none;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
    border-radius: 8px;
    margin-top: 0.5rem;
}

.navbar .dropdown-item {
    padding: 0.75rem 1.25rem;
    transition: all 0.2s ease;
    color: var(--text-primary);
}

.navbar .dropdown-item:hover {
    background-color: var(--background-light);
    color: var(--primary-color);
}

/* 用户信息按钮 */
.navbar .btn-outline-warning {
    background-color: rgba(245, 158, 11, 0.1);
    border: 2px solid #fbbf24;
    color: #fbbf24;
    font-weight: 500;
    border-radius: 8px;
    padding: 0.5rem 1rem;
}

.navbar .btn-outline-info {
    background-color: white;
    border: 2px solid white;
    color: var(--primary-color);
    font-weight: 500;
    border-radius: 8px;
    padding: 0.5rem 1rem;
    margin-left: 0.5rem;
}

.navbar .btn-outline-info:hover {
    background-color: var(--background-light);
    border-color: white;
    color: var(--primary-dark);
}

/* ==================== 面包屑导航 ==================== */
.bg-light {
    background-color: white !important;
    border-bottom: 1px solid var(--border-color);
    padding: 1rem 1.5rem;
}

.bg-light a {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.2s ease;
}

.bg-light a:hover {
    color: var(--primary-dark);
}

/* ==================== 按钮样式 ==================== */
.btn {
    border-radius: 8px;
    padding: 0.625rem 1.25rem;
    font-weight: 500;
    transition: all 0.3s ease;
    border: none;
}

.btn-primary {
    background-color: var(--primary-color);
    color: white;
    box-shadow: 0 2px 8px rgba(37, 99, 235, 0.3);
}

.btn-primary:hover {
    background-color: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.4);
}

.btn-success {
    background-color: var(--success-color);
    color: white;
    box-shadow: 0 2px 8px rgba(16, 185, 129, 0.3);
}

.btn-success:hover {
    background-color: #059669;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(16, 185, 129, 0.4);
}

.btn-info {
    background-color: var(--primary-light);
    color: white;
    box-shadow: 0 2px 8px rgba(59, 130, 246, 0.3);
}

.btn-info:hover {
    background-color: var(--primary-color);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.4);
}

.btn-warning {
    background-color: var(--warning-color);
    color: white;
    box-shadow: 0 2px 8px rgba(245, 158, 11, 0.3);
}

.btn-warning:hover {
    background-color: #d97706;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(245, 158, 11, 0.4);
}

.btn-danger {
    background-color: var(--error-color);
    color: white;
    box-shadow: 0 2px 8px rgba(239, 68, 68, 0.3);
}

.btn-danger:hover {
    background-color: #dc2626;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(239, 68, 68, 0.4);
}

.btn-outline-primary {
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
    background-color: transparent;
}

.btn-outline-primary:hover {
    background-color: var(--primary-color);
    color: white;
}

.btn-outline-success {
    border: 2px solid var(--success-color);
    color: var(--success-color);
    background-color: transparent;
}

.btn-outline-success:hover {
    background-color: var(--success-color);
    color: white;
}

.btn-outline-info {
    border: 2px solid var(--primary-light);
    color: var(--primary-light);
    background-color: transparent;
}

.btn-outline-info:hover {
    background-color: var(--primary-light);
    color: white;
}

.btn-outline-warning {
    border: 2px solid var(--warning-color);
    color: var(--warning-color);
    background-color: transparent;
}

.btn-outline-warning:hover {
    background-color: var(--warning-color);
    color: white;
}

/* ==================== 卡片样式 ==================== */
.card {
    border: none;
    border-radius: 12px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
    margin-bottom: 1.5rem;
    background-color: white;
    overflow: hidden;
}

.card-body {
    padding: 2rem;
}

.card-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 1.5rem;
}

/* ==================== 表格样式 ==================== */
.table {
    background-color: white;
    border-radius: 8px;
    overflow: hidden;
}

.table thead th {
    background-color: var(--primary-color);
    color: white;
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.875rem;
    letter-spacing: 0.5px;
    padding: 1rem;
    border: none;
}

.table tbody tr {
    transition: all 0.2s ease;
}

.table tbody tr:hover {
    background-color: #f0f9ff;
    transform: scale(1.01);
}

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

.table-hover tbody tr:hover {
    background-color: #f0f9ff;
}

/* ==================== 表单样式 ==================== */
.form-label {
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.form-control,
.form-select {
    border: 2px solid var(--border-color);
    border-radius: 8px;
    padding: 0.75rem 1rem;
    font-size: 0.95rem;
    transition: all 0.3s ease;
}

.form-control:focus,
.form-select:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.1);
    outline: none;
}

.form-check-input {
    width: 1.25rem;
    height: 1.25rem;
    border: 2px solid var(--border-color);
    border-radius: 4px;
}

.form-check-input:checked {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
}

/* ==================== 徽章和标签 ==================== */
.badge {
    padding: 0.5rem 1rem;
    border-radius: 3px;
    font-weight: 500;
    font-size: 0.875rem;
}

.text-primary { color: var(--primary-color) !important; }
.text-success { color: var(--success-color) !important; }
.text-warning { color: var(--warning-color) !important; }
.text-danger { color: var(--error-color) !important; }
.text-info { color: var(--primary-light) !important; }
.text-secondary { color: var(--secondary-color) !important; }

.bg-primary { background-color: var(--primary-color) !important; }
.bg-success { background-color: var(--success-color) !important; }
.bg-warning { background-color: var(--warning-color) !important; }
.bg-danger { background-color: var(--error-color) !important; }
.bg-info { background-color: var(--primary-light) !important; }

/* ==================== 边框样式 ==================== */
.border {
    border-color: var(--border-color) !important;
}

/* ==================== 消息提示 ==================== */
.alert {
    border-radius: 8px;
    border: none;
    padding: 1rem 1.5rem;
    margin-bottom: 1.5rem;
}

.alert-success {
    background-color: #d1fae5;
    color: #065f46;
}

.alert-warning {
    background-color: #fef3c7;
    color: #92400e;
}

.alert-danger {
    background-color: #fee2e2;
    color: #991b1b;
}

.alert-info {
    background-color: #dbeafe;
    color: #1e40af;
}

/* ==================== 页脚 ==================== */
.bg-secondary {
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--secondary-color) 100%) !important;
    padding: 1.5rem 0;
}

.bg-secondary p {
    color: white;
    margin: 0;
    font-size: 0.9rem;
}

/* ==================== 模态框 ==================== */
.modal-content {
    border-radius: 12px;
    border: none;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

/* ==================== 间距优化 ==================== */
.container {
    padding-left: 1.5rem;
    padding-right: 1.5rem;
}

.row {
    margin-left: -0.75rem;
    margin-right: -0.75rem;
}

.row > * {
    padding-left: 0.75rem;
    padding-right: 0.75rem;
}

/* ==================== 响应式设计 ==================== */
@media (max-width: 768px) {
    body {
        font-size: 14px;
    }
    
    .navbar-brand {
        font-size: 1.25rem;
    }
    
    .card-body {
        padding: 1.5rem;
    }
    
    .btn {
        padding: 0.5rem 1rem;
    }
}

/* ==================== 动画效果 ==================== */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.card {
    animation: fadeIn 0.3s ease;
}