body {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    padding: 20px;
}

.login-card {
    background: white;
    border-radius: 20px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
    padding: 40px;
    width: 100%;
    max-width: 450px;
    animation: fadeIn 0.5s ease-out;
}

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

.login-logo {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #FF6B8B 0%, #4ECDC4 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    color: white;
    font-size: 30px;
}

.login-title {
    color: #2A2D43;
    font-weight: 700;
    margin-bottom: 5px;
}

.login-subtitle {
    color: #6c757d;
    font-size: 0.9rem;
}

.form-control {
    border: 2px solid #e1e5ee;
    border-radius: 10px;
    padding: 12px 15px;
    font-size: 1rem;
    transition: all 0.3s;
}

.form-control:focus {
    border-color: #4ECDC4;
    box-shadow: 0 0 0 3px rgba(78, 205, 196, 0.2);
}

.btn-login {
    background: linear-gradient(135deg, #FF6B8B 0%, #4ECDC4 100%);
    border: none;
    color: white;
    padding: 12px 30px;
    font-weight: 600;
    border-radius: 10px;
    width: 100%;
    transition: all 0.3s;
}

.btn-login:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.2);
}

.alert {
    border-radius: 10px;
    border: none;
    padding: 12px 15px;
    margin-bottom: 20px;
    animation: fadeIn 0.5s ease-out;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.back-link {
    text-align: center;
    margin-top: 20px;
}

.back-link a {
    color: #6c757d;
    text-decoration: none;
    transition: color 0.3s;
}

.back-link a:hover {
    color: #4ECDC4;
}

.input-group-text {
    background-color: #f8f9fa;
    border: 2px solid #e1e5ee;
    border-right: none;
}

.input-group .form-control {
    border-left: none;
}

#togglePassword {
    border: 2px solid #e1e5ee;
    border-left: none;
}