/* 通用样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    font-size: 14px;
    color: #333;
    background-color: #f5f5f5;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

.header {
    background-color: #fff;
    box-shadow: 0 2px 8px rgba(0,0,0,0.08);
    padding: 0;
    margin-bottom: 20px;
    position: sticky;
    top: 0;
    z-index: 1000;
}

.header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 20px;
}

.logo {
    font-size: 22px;
    font-weight: 600;
    color: #1890ff;
    display: flex;
    align-items: center;
    gap: 8px;
}

.logo::before {
    content: "💑";
    font-size: 24px;
}

.nav {
    display: flex;
    gap: 12px;
    align-items: center;
    flex-wrap: wrap;
}

.nav a {
    color: #595959;
    text-decoration: none;
    padding: 8px 16px;
    border-radius: 6px;
    transition: all 0.3s;
    font-size: 14px;
    font-weight: 400;
    white-space: nowrap;
    position: relative;
}

.nav a:hover {
    background-color: #f0f0f0;
    color: #1890ff;
}

.nav-item.active,
.nav a.active {
    color: #1890ff !important;
    font-weight: 500;
    background-color: #e6f7ff;
}

.nav-item.active::after,
.nav a.active::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 20px;
    height: 2px;
    background: #1890ff;
    border-radius: 1px;
}

.nav-item.logout {
    color: #ff4d4f;
}

.nav-item.logout:hover {
    background-color: #fff1f0;
    color: #ff4d4f;
}

@media (max-width: 768px) {
    .nav {
        gap: 8px;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        padding-bottom: 4px;
    }
    
    .nav a {
        padding: 6px 12px;
        font-size: 13px;
    }
    
    .header .container {
        flex-wrap: wrap;
    }
    
    .logo {
        font-size: 20px;
        margin-bottom: 8px;
    }
}

.btn {
    display: inline-block;
    padding: 8px 16px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    text-decoration: none;
    transition: all 0.3s;
}

.btn-primary {
    background-color: #1890ff;
    color: #fff;
}

.btn-primary:hover {
    background-color: #40a9ff;
}

.btn-success {
    background-color: #52c41a;
    color: #fff;
}

.btn-success:hover {
    background-color: #73d13d;
}

.btn-danger {
    background-color: #ff4d4f;
    color: #fff;
}

.btn-danger:hover {
    background-color: #ff7875;
}

.card {
    background-color: #fff;
    border-radius: 8px;
    padding: 20px;
    margin-bottom: 20px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

.form-group {
    margin-bottom: 20px;
}

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

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 8px 12px;
    border: 1px solid #d9d9d9;
    border-radius: 4px;
    font-size: 14px;
}

.form-group textarea {
    min-height: 100px;
    resize: vertical;
}

.table {
    width: 100%;
    border-collapse: collapse;
    background-color: #fff;
}

.table th,
.table td {
    padding: 12px;
    text-align: left;
    border-bottom: 1px solid #f0f0f0;
}

.table th {
    background-color: #fafafa;
    font-weight: 500;
}

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

.badge {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 4px;
    font-size: 12px;
}

.badge-success {
    background-color: #f6ffed;
    color: #52c41a;
    border: 1px solid #b7eb8f;
}

.badge-warning {
    background-color: #fffbe6;
    color: #faad14;
    border: 1px solid #ffe58f;
}

.badge-danger {
    background-color: #fff1f0;
    color: #ff4d4f;
    border: 1px solid #ffccc7;
}

.alert {
    padding: 12px 16px;
    border-radius: 4px;
    margin-bottom: 20px;
}

.alert-success {
    background-color: #f6ffed;
    border: 1px solid #b7eb8f;
    color: #52c41a;
}

.alert-error {
    background-color: #fff1f0;
    border: 1px solid #ffccc7;
    color: #ff4d4f;
}

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

.mt-20 {
    margin-top: 20px;
}

.mb-20 {
    margin-bottom: 20px;
}