/* 登入頁面專用樣式 */

body {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

.login-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

.login-card {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 20px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
    overflow: hidden;
    max-width: 400px;
    width: 100%;
}

.login-header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    text-align: center;
    padding: 2rem 1.5rem 1.5rem;
}

.login-header h2 {
    margin: 0;
    font-weight: 600;
    font-size: 1.8rem;
}

.login-header p {
    margin: 0.5rem 0 0;
    opacity: 0.9;
    font-size: 0.9rem;
}

.login-body {
    padding: 2rem;
}

.form-floating {
    margin-bottom: 1rem;
}

.form-control {
    border: 2px solid #e9ecef;
    border-radius: 10px;
    transition: all 0.3s ease;
}

.form-control:focus {
    border-color: #667eea;
    box-shadow: 0 0 0 0.2rem rgba(102, 126, 234, 0.25);
}

.btn-login {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border: none;
    border-radius: 10px;
    padding: 0.75rem 1.5rem;
    font-weight: 600;
    transition: all 0.3s ease;
    width: 100%;
}

.btn-login:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(102, 126, 234, 0.3);
}

.form-check {
    margin: 1.5rem 0;
}

.form-check-input:checked {
    background-color: #667eea;
    border-color: #667eea;
}

.forgot-password {
    text-align: center;
    margin-top: 1.5rem;
}

.forgot-password a {
    color: #667eea;
    text-decoration: none;
    font-size: 0.9rem;
}

.forgot-password a:hover {
    text-decoration: underline;
}

.input-group-text {
    background: transparent;
    border: 2px solid #e9ecef;
    border-right: none;
    border-radius: 10px 0 0 10px;
}

.input-group .form-control {
    border-left: none;
    border-radius: 0 10px 10px 0;
}

.login-footer {
    background-color: #f8f9fa;
    text-align: center;
    padding: 1rem;
    font-size: 0.85rem;
    color: #6c757d;
}

.alert {
    border-radius: 10px;
    margin-bottom: 1rem;
}

/* 響應式設計 */
@media (max-width: 480px) {
    .login-card {
        margin: 1rem;
        border-radius: 15px;
    }
    
    .login-header {
        padding: 1.5rem 1rem 1rem;
    }
    
    .login-body {
        padding: 1.5rem;
    }
}