@charset "utf-8";
/* CSS Document */

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: "Microsoft YaHei", sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    padding: 20px;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    background: white;
    border-radius: 10px;
    box-shadow: 0 20px 60px rgba(0,0,0,0.3);
    overflow: hidden;
}

h1 {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 30px;
    margin: 0;
    font-size: 28px;
    text-align: center;
    letter-spacing: 1px;
}

h1 i {
    margin-right: 10px;
}

h2 {
    color: #333;
    margin-bottom: 20px;
    padding-bottom: 10px;
    border-bottom: 2px solid #667eea;
}

h3 {
    color: #667eea;
    margin-bottom: 15px;
    font-size: 20px;
}

.search-box {
    padding: 30px;
    background: #f8f9fa;
    border-bottom: 1px solid #e9ecef;
}

.form-group {
    margin-bottom: 20px;
    display: flex;
    align-items: center;
}

.form-group label {
    width: 80px;
    font-weight: bold;
    color: #495057;
}

.form-group select {
    flex: 1;
    padding: 12px 15px;
    border: 2px solid #e9ecef;
    border-radius: 8px;
    font-size: 16px;
    transition: all 0.3s;
    background: white;
    cursor: pointer;
}

.form-group select:focus {
    outline: none;
    border-color: #667eea;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.form-group select:disabled {
    background: #e9ecef;
    cursor: not-allowed;
}

.result-box {
    padding: 30px;
}

.room-section {
    margin-bottom: 30px;
    background: #f8f9fa;
    border-radius: 10px;
    padding: 20px;
}

table {
    width: 100%;
    border-collapse: collapse;
    background: white;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

table thead {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
}

table th,
table td {
    padding: 12px 15px;
    text-align: left;
    border-bottom: 1px solid #e9ecef;
}

table tbody tr:hover {
    background: #f8f9fa;
}

.text-center {
    text-align: center;
    color: #6c757d;
    padding: 30px;
}

.footer {
    text-align: center;
    padding: 20px;
    background: #f8f9fa;
    border-top: 1px solid #e9ecef;
}

.admin-link {
    display: inline-block;
    padding: 10px 25px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    text-decoration: none;
    border-radius: 25px;
    font-size: 14px;
    transition: transform 0.3s;
}

.admin-link:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(102, 126, 234, 0.4);
}

@media (max-width: 768px) {
    .container {
        border-radius: 0;
    }
    
    h1 {
        font-size: 24px;
        padding: 20px;
    }
    
    .search-box,
    .result-box {
        padding: 20px;
    }
    
    .form-group {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .form-group label {
        width: auto;
        margin-bottom: 5px;
    }
    
    .form-group select {
        width: 100%;
    }
}