/* 基础样式重置 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Arial', sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f5f7fa;
    transition: all 0.3s ease;
}

/* 容器样式 */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

/* 头部样式 */
header {
    background-color: #2c3e50;
    color: white;
    padding: 1rem;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}

header h1 {
    margin: 0;
    font-size: 1.8rem;
    animation: fadeIn 1s ease-in-out;
}

/* 导航样式 */
nav {
    background-color: #34495e;
    padding: 0.5rem 1rem;
}

nav ul {
    list-style: none;
    display: flex;
    gap: 1rem;
}

nav ul li a {
    color: white;
    text-decoration: none;
    padding: 0.5rem;
    transition: all 0.3s ease;
    border-radius: 4px;
}

nav ul li a:hover {
    background-color: rgba(255, 255, 255, 0.1);
}

/* 主要内容区 */
main {
    background-color: white;
    padding: 2rem;
    margin: 1rem 0;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    animation: slideUp 0.5s ease-out;
    min-height: 70vh;
}

/* 卡片样式 */
.card {
    background-color: white;
    border-radius: 8px;
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

/* 表单样式 */
.form-group {
    margin-bottom: 1.5rem;
}

label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: bold;
}

input, select, textarea {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 1rem;
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

input:focus, select:focus, textarea:focus {
    border-color: #3498db;
    box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.1);
    outline: none;
}

/* 按钮样式 */
.btn {
    display: inline-block;
    background-color: #3498db;
    color: white;
    border: none;
    padding: 0.75rem 1.5rem;
    font-size: 1rem;
    border-radius: 4px;
    cursor: pointer;
    transition: background-color 0.3s ease, transform 0.3s ease;
}

.btn:hover {
    background-color: #2980b9;
    transform: translateY(-2px);
}

.btn-danger {
    background-color: #e74c3c;
}

.btn-danger:hover {
    background-color: #c0392b;
}

.btn-success {
    background-color: #2ecc71;
}

.btn-success:hover {
    background-color: #27ae60;
}

/* 表格样式 */
table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 1.5rem;
}

th, td {
    padding: 1rem;
    text-align: left;
    border-bottom: 1px solid #ddd;
}

th {
    background-color: #f8f9fa;
    font-weight: bold;
}

tr:hover {
    background-color: #f8f9fa;
}

/* 警告和成功消息 */
.alert {
    padding: 1rem;
    border-radius: 4px;
    margin-bottom: 1.5rem;
    animation: fadeIn 0.5s ease-out;
}

.alert-success {
    background-color: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

.alert-danger {
    background-color: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

/* 页脚样式 */
footer {
    background-color: #2c3e50;
    color: white;
    text-align: center;
    padding: 1.5rem;
    margin-top: 2rem;
}

/* 动画效果 */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

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

/* 查看车辆信息页面样式 */
.vehicle-info {
    text-align: center;
    max-width: 500px;
    margin: 0 auto;
    padding: 2rem;
}

.vehicle-info h2 {
    margin-bottom: 1.5rem;
    color: #2c3e50;
}

.vehicle-detail {
    margin-bottom: 1rem;
    font-size: 1.1rem;
}

.fee-display {
    font-size: 1.5rem;
    font-weight: bold;
    margin: 1.5rem 0;
    color: #e74c3c;
}

/* 响应式设计 */
@media (max-width: 768px) {
    nav ul {
        flex-direction: column;
        gap: 0.5rem;
    }
    
    .container {
        padding: 10px;
    }
    
    main {
        padding: 1rem;
    }
    
    th, td {
        padding: 0.5rem;
    }
    
    .btn {
        padding: 0.5rem 1rem;
        font-size: 0.9rem;
    }
    
    /* 适配移动设备的表格 */
    table {
        display: block;
        overflow-x: auto;
    }
}