/* login.css */
* { 
    box-sizing: border-box; 
    margin: 0; 
    padding: 0; 
}

body { 
    font-family: "Microsoft JhengHei", "PMingLiU", "Microsoft YaHei", sans-serif; 
    line-height: 1.6; 
    color: #333; 
    background: #f5f5f5; 
    padding: 20px; 
}

.login-container {
    max-width: 400px;
    margin: 100px auto;
    padding: 30px;
    background: white;
    border-radius: 8px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.15);
}

.login-container h1 { 
    text-align: center; 
    margin-bottom: 30px; 
    color: #2c3e50; 
}

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

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

.form-group input[type="password"] {
    width: 100%;
    padding: 12px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 16px;
}

.btn {
    width: 100%;
    padding: 12px;
    background: #3498db;
    color: white;
    border: none;
    border-radius: 4px;
    font-size: 16px;
    cursor: pointer;
    font-weight: bold;
}

.btn:hover {
    background: #2980b9;
}

.error-message {
    background: #f8d7da;
    color: #721c24;
    padding: 10px;
    border-radius: 4px;
    margin-bottom: 20px;
    text-align: center;
    position: relative;
}

.info-message {
    background: #d9edf7;
    color: #31708f;
    padding: 10px;
    border-radius: 4px;
    margin-bottom: 20px;
    text-align: center;
}

.close-btn {
    position: absolute;
    right: 10px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: inherit;
    font-size: 18px;
    cursor: pointer;
}