:root {
    --primary-color: #43afee;
    --secondary-color: #377ec9;
    --light-color: #f8f9fa;
    --dark-color: #212529;
}

body {
    background: linear-gradient(135deg, #f5f7fa 0%, #e4eeff 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
}

.login-container {
    max-width: 500px;
    width: 100%;
    background-color: white;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    overflow: hidden;
    animation: fadeIn 0.5s ease-in-out;
}

.login-header {
    background: linear-gradient(to right, var(--primary-color), var(--secondary-color));
    color: white;
    padding: 30px 20px;
    text-align: center;
}

.login-body {
    padding: 30px;
}

.form-control {
    border-radius: 8px;
    padding: 12px 15px;
    border: 1px solid #e0e0e0;
    transition: all 0.3s;
}

.form-control:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.25rem rgba(67, 97, 238, 0.25);
}

.btn-login {
    background-color: var(--primary-color);
    border: none;
    border-radius: 8px;
    padding: 12px;
    font-weight: 600;
    letter-spacing: 1px;
    transition: all 0.3s;
    width: 100%;
}

.btn-login:hover {
    background-color: var(--secondary-color);
    transform: translateY(-2px);
}

.input-group-text {
    background-color: #f8f9fa;
    border-radius: 8px 0 0 8px;
}

.form-floating label {
    padding: 0.5rem 0.75rem;
}

.footer-text {
    text-align: center;
    margin-top: 20px;
    color: #6c757d;
    font-size: 0.9rem;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.brand-logo {
    width: 60px;
    height: 60px;
    margin-bottom: 15px;
}

.btn-group .btn {
    padding: 12px;
    border-radius: 8px !important;
    transition: all 0.3s;
}

.btn-group .btn-outline-primary {
    border: 1px solid #e0e0e0;
    color: var(--dark-color);
}

.btn-group .btn-outline-primary:hover,
.btn-group .btn-outline-primary:active,
.btn-group .btn-outline-primary:focus {
    background-color: var(--primary-color);
    color: white;
}

.btn-group .btn-check:checked + .btn-outline-primary {
    background-color: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}