/**
 * 公共样式文件
 * 统一项目中的界面风格和基础样式
 */

/* 重置样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Microsoft YaHei', 'PingFang SC', 'Helvetica Neue', Arial, sans-serif;
    font-size: 14px;
    line-height: 1.6;
    color: #333;
    background-color: #f5f5f5;
}

/* 通用布局 */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

.row {
    display: flex;
    flex-wrap: wrap;
    margin: -10px;
}

.col {
    flex: 1;
    padding: 10px;
}

.col-1 { flex: 0 0 8.333%; }
.col-2 { flex: 0 0 16.666%; }
.col-3 { flex: 0 0 25%; }
.col-4 { flex: 0 0 33.333%; }
.col-6 { flex: 0 0 50%; }
.col-8 { flex: 0 0 66.666%; }
.col-12 { flex: 0 0 100%; }

/* 卡片样式 */
.card {
    background: white;
    border-radius: 8px;
    padding: 20px;
    margin-bottom: 20px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    transition: box-shadow 0.3s ease;
}

.card:hover {
    box-shadow: 0 4px 20px rgba(0,0,0,0.15);
}

.card-header {
    border-bottom: 1px solid #eee;
    padding-bottom: 15px;
    margin-bottom: 20px;
}

.card-title {
    font-size: 18px;
    font-weight: bold;
    color: #333;
    margin: 0;
}

.card-body {
    padding: 0;
}

/* 按钮样式 */
.btn {
    display: inline-block;
    padding: 10px 20px;
    border: none;
    border-radius: 4px;
    font-size: 14px;
    font-weight: 500;
    text-align: center;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.3s ease;
    outline: none;
    line-height: 1.4;
}

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.btn-primary {
    background-color: #2196F3;
    color: white;
}

.btn-primary:hover:not(:disabled) {
    background-color: #1976D2;
}

.btn-success {
    background-color: #4CAF50;
    color: white;
}

.btn-success:hover:not(:disabled) {
    background-color: #45a049;
}

.btn-warning {
    background-color: #ff9800;
    color: white;
}

.btn-warning:hover:not(:disabled) {
    background-color: #e68900;
}

.btn-danger {
    background-color: #f44336;
    color: white;
}

.btn-danger:hover:not(:disabled) {
    background-color: #d32f2f;
}

.btn-secondary {
    background-color: #6c757d;
    color: white;
}

.btn-secondary:hover:not(:disabled) {
    background-color: #5a6268;
}

.btn-outline {
    background-color: transparent;
    border: 1px solid #ddd;
    color: #333;
}

.btn-outline:hover:not(:disabled) {
    background-color: #f8f9fa;
}

.btn-sm {
    padding: 6px 12px;
    font-size: 12px;
}

.btn-lg {
    padding: 14px 28px;
    font-size: 16px;
}

/* 表单样式 */
.form-group {
    margin-bottom: 20px;
}

.form-label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: #555;
}

.form-control {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 14px;
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.form-control:focus {
    outline: none;
    border-color: #2196F3;
    box-shadow: 0 0 0 2px rgba(33, 150, 243, 0.2);
}

.form-control::placeholder {
    color: #999;
}

.form-control:disabled {
    background-color: #f5f5f5;
    color: #999;
    cursor: not-allowed;
}

select.form-control {
    cursor: pointer;
}

textarea.form-control {
    resize: vertical;
    min-height: 80px;
}

/* 表格样式 */
.table-container {
    background: white;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.table {
    width: 100%;
    border-collapse: collapse;
    margin: 0;
}

.table th,
.table td {
    padding: 12px 15px;
    text-align: left;
    border-bottom: 1px solid #eee;
}

.table th {
    background-color: #f8f9fa;
    font-weight: 600;
    color: #555;
    border-bottom: 2px solid #ddd;
}

.table tbody tr:hover {
    background-color: #f8f9fa;
}

.table tbody tr:last-child td {
    border-bottom: none;
}

/* 分页样式 */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    margin: 20px 0;
    gap: 5px;
}

.pagination button {
    padding: 8px 12px;
    border: 1px solid #ddd;
    background: white;
    cursor: pointer;
    border-radius: 4px;
    font-size: 14px;
    transition: all 0.3s ease;
}

.pagination button:hover:not(:disabled) {
    background-color: #f8f9fa;
    border-color: #2196F3;
}

.pagination button.active {
    background-color: #2196F3;
    color: white;
    border-color: #2196F3;
}

.pagination button:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* 模态框样式 */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.5);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1000;
}

.modal {
    background: white;
    border-radius: 8px;
    max-width: 600px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: 0 10px 30px rgba(0,0,0,0.3);
}

.modal-header {
    padding: 20px 20px 0 20px;
    border-bottom: 1px solid #eee;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-title {
    font-size: 18px;
    font-weight: bold;
    margin: 0;
}

.modal-close {
    background: none;
    border: none;
    font-size: 24px;
    cursor: pointer;
    color: #999;
    padding: 0;
    width: 30px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-close:hover {
    color: #666;
}

.modal-body {
    padding: 20px;
}

.modal-footer {
    padding: 0 20px 20px 20px;
    display: flex;
    justify-content: flex-end;
    gap: 10px;
}

/* 加载状态 */
.loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 2px solid #f3f3f3;
    border-top: 2px solid #2196F3;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(255,255,255,0.8);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999;
}

.loading-overlay .loading {
    width: 40px;
    height: 40px;
    border-width: 4px;
}

/* 工具类 */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.text-primary { color: #2196F3; }
.text-success { color: #4CAF50; }
.text-warning { color: #ff9800; }
.text-danger { color: #f44336; }
.text-muted { color: #999; }

.bg-primary { background-color: #2196F3; }
.bg-success { background-color: #4CAF50; }
.bg-warning { background-color: #ff9800; }
.bg-danger { background-color: #f44336; }
.bg-light { background-color: #f8f9fa; }

.mt-0 { margin-top: 0; }
.mt-1 { margin-top: 10px; }
.mt-2 { margin-top: 20px; }
.mt-3 { margin-top: 30px; }

.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: 10px; }
.mb-2 { margin-bottom: 20px; }
.mb-3 { margin-bottom: 30px; }

.ml-0 { margin-left: 0; }
.ml-1 { margin-left: 10px; }
.ml-2 { margin-left: 20px; }
.ml-3 { margin-left: 30px; }

.mr-0 { margin-right: 0; }
.mr-1 { margin-right: 10px; }
.mr-2 { margin-right: 20px; }
.mr-3 { margin-right: 30px; }

.p-0 { padding: 0; }
.p-1 { padding: 10px; }
.p-2 { padding: 20px; }
.p-3 { padding: 30px; }

.d-none { display: none; }
.d-block { display: block; }
.d-inline { display: inline; }
.d-inline-block { display: inline-block; }
.d-flex { display: flex; }

.flex-1 { flex: 1; }
.flex-grow-1 { flex-grow: 1; }
.flex-shrink-0 { flex-shrink: 0; }

.justify-content-center { justify-content: center; }
.justify-content-between { justify-content: space-between; }
.justify-content-end { justify-content: flex-end; }

.align-items-center { align-items: center; }
.align-items-start { align-items: flex-start; }
.align-items-end { align-items: flex-end; }

/* 响应式设计 */
@media (max-width: 768px) {
    .container {
        padding: 10px;
    }
    
    .col-sm-12 {
        flex: 0 0 100%;
    }
    
    .btn {
        width: 100%;
        margin-bottom: 10px;
    }
    
    .modal {
        width: 95%;
        margin: 20px;
    }
    
    .table-container {
        overflow-x: auto;
    }
}