* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: Inter, Arial, sans-serif;
    background: #07111f;
    color: #fff;
}

.login-page {
    min-height: 100vh;
    display: grid;
    grid-template-columns: 1.2fr 480px;
    background:
        radial-gradient(circle at 20% 20%, rgba(56, 189, 248, .22), transparent 30%),
        radial-gradient(circle at 80% 70%, rgba(34, 197, 94, .18), transparent 28%),
        linear-gradient(135deg, #07111f, #0f172a);
}

.login-visual {
    padding: 80px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.badge {
    width: fit-content;
    padding: 10px 18px;
    border-radius: 999px;
    background: rgba(255,255,255,.1);
    border: 1px solid rgba(255,255,255,.15);
    margin-bottom: 26px;
}

.login-visual h1 {
    font-size: 64px;
    line-height: 1;
    max-width: 760px;
    margin: 0 0 24px;
}

.login-visual p {
    font-size: 20px;
    max-width: 620px;
    color: #cbd5e1;
}

.login-card {
    margin: auto 60px auto 0;
    padding: 38px;
    border-radius: 34px;
    background: rgba(255,255,255,.96);
    color: #0f172a;
    box-shadow: 0 30px 90px rgba(0,0,0,.35);
}

.login-card h2 {
    font-size: 34px;
    margin: 0;
}

.login-card p {
    color: #64748b;
    margin-bottom: 30px;
}

.login-card label {
    display: block;
    font-weight: 700;
    margin: 18px 0 8px;
}

.login-card input {
    width: 100%;
    padding: 16px;
    border-radius: 16px;
    border: 1px solid #dbe3ef;
    font-size: 16px;
    outline: none;
}

.login-card input:focus {
    border-color: #0ea5e9;
}

.login-card button {
    width: 100%;
    margin-top: 26px;
    padding: 16px;
    border: 0;
    border-radius: 18px;
    background: linear-gradient(135deg, #0284c7, #22c55e);
    color: #fff;
    font-size: 16px;
    font-weight: 800;
    cursor: pointer;
}

.alert {
    padding: 14px;
    border-radius: 14px;
    background: #fee2e2;
    color: #991b1b;
    margin: 20px 0;
}

@media(max-width: 900px) {
    .login-page {
        grid-template-columns: 1fr;
    }

    .login-visual {
        padding: 36px;
    }

    .login-visual h1 {
        font-size: 42px;
    }

    .login-card {
        margin: 0 24px 40px;
    }
}