.auth-shell {
    position: relative;
    z-index: 1;
    min-height: 100vh;
    display: grid;
    grid-template-columns: 1.1fr 1fr;
}

@media (max-width: 900px) {
    .auth-shell { grid-template-columns: 1fr; }
    .auth-aside { display: none; }
}

.auth-aside {
    position: relative;
    padding: 56px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    background: var(--brand-dark);
    color: var(--text-inverse);
    overflow: hidden;
}

.auth-aside .brand { color: var(--text-inverse); }
.auth-aside .brand-mark { background: rgba(255, 255, 255, 0.14); }
.auth-aside .brand-mark svg { stroke: #ffffff; }

.auth-aside-copy h1 {
    font-size: 2.4rem;
    line-height: 1.15;
    margin: 28px 0 16px;
    font-weight: 800;
    letter-spacing: -0.02em;
    color: var(--text-inverse);
}

.auth-aside-copy h1 span {
    color: #a9e4d8;
}

.auth-aside-copy p {
    color: rgba(255, 255, 255, 0.75);
    font-size: 1rem;
    line-height: 1.6;
    max-width: 420px;
}

.stat-row {
    display: flex;
    gap: 28px;
    margin-top: 40px;
    position: relative;
}

.stat-row .stat b {
    display: block;
    font-size: 1.6rem;
    font-weight: 800;
    color: var(--text-inverse);
}

.stat-row .stat span {
    font-size: 0.8rem;
    color: rgba(255, 255, 255, 0.7);
}

.kidney-glyph {
    position: absolute;
    right: -60px;
    bottom: -60px;
    width: 320px;
    height: 320px;
    opacity: 0.12;
}

.auth-main {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 40px 24px;
    background: var(--bg-app);
}

.auth-box {
    width: 100%;
    max-width: 400px;
    padding: 40px 36px;
}

.auth-box .brand { margin-bottom: 8px; }

.auth-box h2 {
    font-size: 1.5rem;
    font-weight: 800;
    margin: 20px 0 6px;
}

.auth-box .subtitle {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-bottom: 28px;
}

.auth-footer {
    margin-top: 22px;
    text-align: center;
}

.divider {
    display: flex;
    align-items: center;
    gap: 12px;
    color: var(--text-muted);
    font-size: 0.78rem;
    margin: 22px 0;
}

.divider::before, .divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--border);
}