body {
    position: relative;
    min-height: 100vh;
    display: grid;
    place-items: center;
    overflow: hidden;
    padding: 1.5rem;
    background:
        radial-gradient(circle at 14% 18%, rgba(59, 130, 246, 0.2), transparent 26%),
        radial-gradient(circle at 82% 20%, rgba(124, 58, 237, 0.16), transparent 24%),
        radial-gradient(circle at 72% 78%, rgba(20, 184, 166, 0.12), transparent 20%),
        linear-gradient(180deg, #f7fbff 0%, #eef5ff 52%, #e8f0fb 100%);
}

.login-screen {
    position: relative;
    z-index: 2;
    width: 100%;
    display: flex;
    justify-content: center;
}

.login-card {
    width: min(520px, 100%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    padding: 3.5rem 2.75rem;
    border: 1px solid rgba(148, 163, 184, 0.18);
    border-radius: 32px;
    background: rgba(255, 255, 255, 0.82);
    box-shadow: 0 32px 80px rgba(15, 23, 42, 0.12);
    text-align: center;
    backdrop-filter: blur(20px);
}

.login-brand-mark {
    width: 78px;
    height: 78px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 24px;
    background: linear-gradient(135deg, #7c3aed 0%, #2563eb 58%, #14b8a6 100%);
    color: #fff;
    font-size: 1.85rem;
    box-shadow: 0 20px 45px rgba(37, 99, 235, 0.2);
}

.login-brand {
    font-family: var(--font-display);
    font-size: clamp(2.1rem, 6vw, 3rem);
    font-weight: 800;
    line-height: 1;
    letter-spacing: -0.06em;
}

.login-tagline {
    max-width: 29rem;
    margin: 0 0 0.75rem;
    color: var(--color-text-soft);
    font-size: 1rem;
    line-height: 1.7;
}

.login-button {
    width: 100%;
    max-width: 340px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.85rem;
    padding: 1rem 1.3rem;
    border: none;
    border-radius: 999px;
    background: linear-gradient(135deg, var(--color-brand), var(--color-accent));
    color: #fff;
    cursor: pointer;
    font-size: 1rem;
    font-weight: 800;
    box-shadow: 0 18px 36px rgba(37, 99, 235, 0.22);
    transition: transform 0.22s ease, box-shadow 0.22s ease, filter 0.22s ease;
}

.login-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 24px 44px rgba(37, 99, 235, 0.26);
    filter: saturate(1.03);
}

.login-button:active {
    transform: translateY(0);
}

.login-orb {
    position: absolute;
    border-radius: 999px;
    filter: blur(10px);
    opacity: 0.8;
    animation: drift 14s ease-in-out infinite;
}

.login-orb--teal {
    top: 8%;
    left: 8%;
    width: 260px;
    height: 260px;
    background: radial-gradient(circle, rgba(59, 130, 246, 0.2), transparent 70%);
}

.login-orb--clay {
    right: 8%;
    bottom: 10%;
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(124, 58, 237, 0.18), transparent 70%);
    animation-delay: -5s;
}

.login-orb--sand {
    top: 54%;
    left: 45%;
    width: 180px;
    height: 180px;
    background: radial-gradient(circle, rgba(20, 184, 166, 0.14), transparent 72%);
    animation-delay: -9s;
}

@keyframes drift {
    0%, 100% {
        transform: translate3d(0, 0, 0) scale(1);
    }
    50% {
        transform: translate3d(0, -18px, 0) scale(1.06);
    }
}

@media (max-width: 640px) {
    .login-card {
        padding: 2.6rem 1.5rem;
        border-radius: 26px;
    }

    .login-brand-mark {
        width: 68px;
        height: 68px;
        border-radius: 20px;
        font-size: 1.55rem;
    }

    .login-orb--teal,
    .login-orb--clay {
        width: 180px;
        height: 180px;
    }
}