:root {
    --primary-color: #FAAC03;
    --primary-light: #E8E8E8;
    --secondary-color: #f8f9fc;
    --accent-color: #2e59d9;
    --text-color: #5a5c69;
    --error-color: #e74a3b;
    --success-color: #1cc88a;
}

body {
    background-color: var(--secondary-color);
    font-family: 'Nunito', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    margin: 0;
}

.login-container {
    display: flex;
    min-height: 100vh;
    align-items: center;
    justify-content: center;
    background-color: var(--secondary-color);
}

.login-card {
    width: 100%;
    max-width: 450px;
    background: white;
    border-radius: 10px;
    box-shadow: 0 0.15rem 1.75rem 0 rgba(58, 59, 69, 0.15);
    overflow: hidden;
}

.login-header {
    background-color: var(--primary-color);
    color: white;
    padding: 0;
    text-align: center;
    position: relative;
}

.logo-container {
    background-color: var(--primary-light);
    padding: 1.5rem;
    display: flex;
    justify-content: center;
    align-items: center;
}

.title-container {
    padding: 1rem;
}

.login-body {
    padding: 2rem;
}

.form-control {
    height: calc(1.5em + 1.5rem);
    padding: 0.75rem 1rem;
    border-radius: 0.35rem;
    border: 1px solid #d1d3e2;
}

    .form-control:focus {
        border-color: var(--primary-color);
        box-shadow: 0 0 0 0.2rem rgba(250, 172, 3, 0.25);
    }

.btn-primary {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
    width: 100%;
    padding: 0.75rem;
    font-weight: 600;
    color: #fff;
}

    .btn-primary:hover {
        background-color: #e09d02;
        border-color: #e09d02;
    }

.btn-secondary {
    width: 100%;
    padding: 0.75rem;
    margin-top: 0.5rem;
    background-color: #6c757d;
    border-color: #6c757d;
}

.qrcode-container {
    background: white;
    padding: 1rem;
    border-radius: 0.35rem;
    border: 1px solid #e3e6f0;
    margin-bottom: 1.5rem;
}

.spinner-border {
    width: 1.2rem;
    height: 1.2rem;
    border-width: 0.15em;
}

.alert {
    border-radius: 0.35rem;
    padding: 0.75rem 1.25rem;
}

.login-footer {
    text-align: center;
    padding: 1rem;
    color: var(--text-color);
    font-size: 0.9rem;
    border-top: 1px solid #e3e6f0;
}

.brand-logo {
    height: 60px;
    max-width: 100%;
    object-fit: contain;
}

.login-title {
    margin: 0;
    font-size: 1.5rem;
    font-weight: 600;
    color: white;
}

@media (max-width: 576px) {
    .login-card {
        margin: 1rem;
        border-radius: 8px;
    }

    .login-body {
        padding: 1.5rem;
    }

    .logo-container {
        padding: 1rem;
    }

    .brand-logo {
        height: 50px;
    }
}