/* 登录页面样式 */
body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(rgba(0, 0, 0, 0.7), rgba(0, 0, 0, 0.7)), 
                url('https://trae-api-cn.mchost.guru/api/ide/v1/text_to_image?prompt=modern%20business%20technology%20background%20with%20blue%20and%20purple%20gradients%2C%20abstract%20digital%20elements%2C%20professional%20atmosphere&image_size=landscape_16_9');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    margin: 0;
}

.login-container {
    background: rgba(255, 255, 255, 0.95);
    border-radius: 15px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
    padding: 40px;
    width: 100%;
    max-width: 400px;
    backdrop-filter: blur(10px);
    transition: all 0.3s ease;
}

.login-container:hover {
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.4);
    transform: translateY(-5px);
}

.login-header {
    text-align: center;
    margin-bottom: 30px;
}

.login-header h2 {
    color: #333;
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 10px;
}

.login-header p {
    color: #666;
    font-size: 14px;
}

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

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: #555;
}

.form-group input {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid #ddd;
    border-radius: 8px;
    font-size: 16px;
    transition: all 0.3s ease;
}

.form-group input:focus {
    outline: none;
    border-color: #1890ff;
    box-shadow: 0 0 0 3px rgba(24, 144, 255, 0.1);
}

.login-btn {
    width: 100%;
    padding: 12px;
    background: linear-gradient(135deg, #3b82f6 0%, #2563eb 100%);
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    margin-top: 10px;
}

.login-btn:hover {
    background: linear-gradient(135deg, #2563eb 0%, #1d4ed8 100%);
    transform: translateY(-2px);
}

.error {
    color: #dc3545;
    text-align: center;
    margin: 15px 0;
    padding: 10px;
    background: rgba(220, 53, 69, 0.1);
    border-radius: 6px;
    border-left: 4px solid #dc3545;
}

.copyright {
    text-align: center;
    margin-top: 30px;
    font-size: 12px;
    color: #999;
}

.logo {
    text-align: center;
    margin-bottom: 20px;
}

.logo i {
    font-size: 60px;
    color: #3b82f6;
    margin-bottom: 10px;
}