/* 共享样式 */
:root {
    --primary-color: #4a90e2;
    --secondary-color: #7ed321;
    --danger-color: #e74c3c;
    --warning-color: #f39c12;
    --info-color: #9b59b6;
    --light-color: #f8f9fa;
    --dark-color: #343a40;
    --gray-color: #6c757d;
    --border-radius: 8px;
    --box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    --transition: all 0.3s ease;
}

/* 通用按钮样式 */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 24px;
    border: none;
    border-radius: var(--border-radius);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    white-space: nowrap;
}

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

.btn-primary:hover {
    background-color: #3a80d2;
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(74, 144, 226, 0.3);
}

.btn-secondary {
    background-color: var(--secondary-color);
    color: white;
}

.btn-secondary:hover {
    background-color: #6ec321;
    transform: translateY(-2px);
}

.btn-danger {
    background-color: var(--danger-color);
    color: white;
}

.btn-danger:hover {
    background-color: #d63c2c;
    transform: translateY(-2px);
}

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

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

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none !important;
    box-shadow: none !important;
}

/* 通用卡片样式 */
.card {
    background-color: white;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    padding: 25px;
    margin-bottom: 20px;
    transition: var(--transition);
}

.card:hover {
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
}

/* 通用表单样式 */
.form-control {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid #ddd;
    border-radius: var(--border-radius);
    font-size: 1rem;
    transition: var(--transition);
}

.form-control:focus {
    border-color: var(--primary-color);
    outline: none;
    box-shadow: 0 0 0 3px rgba(74, 144, 226, 0.2);
}

.form-label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: var(--dark-color);
}

.form-hint {
    display: block;
    margin-top: 5px;
    color: var(--gray-color);
    font-size: 0.9rem;
}

/* 通用表格样式 */
.table {
    width: 100%;
    border-collapse: collapse;
    background-color: white;
}

.table th {
    padding: 15px;
    text-align: left;
    font-weight: 600;
    color: var(--dark-color);
    border-bottom: 2px solid #e0e0e0;
    background-color: #f8f9fa;
}

.table td {
    padding: 15px;
    border-bottom: 1px solid #e0e0e0;
}

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

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

/* 状态标签 */
.badge {
    display: inline-block;
    padding: 5px 12px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
}

.badge-success {
    background-color: #d4edda;
    color: #155724;
}

.badge-warning {
    background-color: #fff3cd;
    color: #856404;
}

.badge-danger {
    background-color: #f8d7da;
    color: #721c24;
}

.badge-info {
    background-color: #d1ecf1;
    color: #0c5460;
}

/* 加载动画 */
.spinner {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid rgba(74, 144, 226, 0.3);
    border-radius: 50%;
    border-top-color: var(--primary-color);
    animation: spin 1s linear infinite;
}

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

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

.text-right {
    text-align: right;
}

.text-muted {
    color: var(--gray-color);
}

.mt-1 { margin-top: 10px; }
.mt-2 { margin-top: 20px; }
.mt-3 { margin-top: 30px; }
.mb-1 { margin-bottom: 10px; }
.mb-2 { margin-bottom: 20px; }
.mb-3 { margin-bottom: 30px; }
.ml-1 { margin-left: 10px; }
.ml-2 { margin-left: 20px; }
.mr-1 { margin-right: 10px; }
.mr-2 { margin-right: 20px; }

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

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

.flex-column {
    flex-direction: column;
}

.align-items-center {
    align-items: center;
}

.justify-content-between {
    justify-content: space-between;
}

.justify-content-center {
    justify-content: center;
}

/* 响应式工具类 */
@media (max-width: 768px) {
    .mobile-hidden {
        display: none;
    }
    
    .mobile-full-width {
        width: 100% !important;
    }
    
    .mobile-stack {
        flex-direction: column !important;
    }
}