html, body {
    overflow: hidden;
    margin: 0;
    padding: 0;
    height: 100vh;
}

.login-container {
    height: 100vh;
    width: 100vw;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    padding: 20px;
    box-sizing: border-box;
    overflow: hidden;
}

.login-card {
    background: white;
    border-radius: 15px;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
    padding: 40px;
    width: 100%;
    max-width: 400px;
    animation: slideUp 0.6s ease-out;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

.login-icon {
    font-size: 3rem;
    color: #667eea;
    margin-bottom: 15px;
}

.login-title {
    color: #333;
    margin-bottom: 5px;
    font-weight: 600;
}

.login-subtitle {
    color: #666;
    font-size: 0.9rem;
    margin-bottom: 0;
}

.login-container .form-label {
    font-weight: 500;
    color: #555;
    margin-bottom: 8px;
}

.login-container .form-control {
    border-radius: 8px;
    border: 2px solid #e1e5e9;
    padding: 12px 15px;
    font-size: 14px;
    transition: border-color 0.3s ease;
}

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

.btn-login {
    width: 100%;
    padding: 12px;
    border-radius: 8px;
    font-weight: 500;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border: none;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.btn-login:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(102, 126, 234, 0.4);
    background: linear-gradient(135deg, #5a67d8 0%, #6b46c1 100%);
}

.btn-login:disabled {
    opacity: 0.7;
    cursor: not-allowed;
}

.login-container .alert {
    border-radius: 8px;
    margin-bottom: 20px;
}