:root {
    --brand-dark: #0A1E3C;
    --brand-green: #8BC34A;
    --brand-blue: #0044E0;
}

html, body {
    height: 100%;
    margin: 0;
    font-family: 'Montserrat', sans-serif;
    background-color: var(--brand-dark);
    overflow: hidden;
}

.login-container {
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background-image: radial-gradient(circle at 50% 50%, #162f55 0%, #0A1E3C 100%);
}

.login-card {
    width: 100%;
    max-width: 380px;
    background: white;
    padding: 30px;
    border-radius: 16px;
    box-shadow: 0 15px 35px rgba(0,0,0,0.4);
    text-align: center;
    animation: fadeInUp 0.6s ease-out;
}

.brand-logo {
    max-width: 160px;
    margin-bottom: 15px;
}

.input {
    border-radius: 8px;
    box-shadow: none;
    transition: 0.3s;
    font-family: 'Montserrat', sans-serif;
}

.input:focus {
    border-color: var(--brand-blue);
    box-shadow: 0 0 0 0.125em rgba(0, 68, 224, 0.25);
}

.captcha-wrapper {
    display: flex;
    justify-content: center;
    margin-top: 15px;
    margin-bottom: 15px;
    transform: scale(0.9);
}

.button.is-brand {
    background-color: var(--brand-green);
    color: white;
    border: none;
    font-weight: 700;
    border-radius: 8px;
    transition: 0.3s;
    box-shadow: 0 4px 10px rgba(139, 195, 74, 0.3);
}

.button.is-brand:hover {
    background-color: #7cb342;
    transform: translateY(-2px);
}

@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}