/* page background */
.login-page {
    background: radial-gradient(1200px 600px at 50% -10%, #1e3a5f, #070f1f);
}

/* card */
.login-card {
    width: 100%;
    max-width: 420px;
    padding: 36px 32px 40px;
    border-radius: 18px;
    background: linear-gradient(180deg, #0f2740, #0b1a2e);
    border: 1px solid rgba(255, 255, 255, .08);
    box-shadow: 0 30px 80px rgba(0, 0, 0, .55),
    inset 0 1px 0 rgba(255, 255, 255, .04);
    animation: fadeUp .6s ease;
}

/* top icon */
.login-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto 16px;
    display: grid;
    place-items: center;
    border-radius: 50%;
    background: rgba(255, 255, 255, .08);
    color: #fff;
    font-size: 30px;
    animation: pop .6s ease;
}

/* texts */
.login-title {
    margin: 10px 0 6px;
    font-size: 1.6rem;
    font-weight: 700;
    color: #fff;
}

.login-subtitle {
    margin-bottom: 22px;
    font-size: .95rem;
    color: rgba(255, 255, 255, .65);
}

/* google button */
.btn-google {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 12px 16px;
    border-radius: 12px;
    font-weight: 600;
    color: #111;
    background: #fff;
    border: none;
    transition: transform .15s ease, box-shadow .15s ease;
}

.btn-google i {
    font-size: 20px;
}

.btn-google:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 24px rgba(0, 0, 0, .35);
    color: #111;
}

/* error */
.login-error {
    margin-top: 16px;
    font-size: .9rem;
    color: #ff6b6b;
}

/* animations */
@keyframes fadeUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes pop {
    from {
        transform: scale(.8);
        opacity: 0;
    }
    to {
        transform: scale(1);
        opacity: 1;
    }
}