.auth-shell {
    display: grid;
    grid-template-columns: minmax(320px, 0.82fr) minmax(0, 1.18fr);
    gap: 26px;
    min-height: 760px;
    box-sizing: border-box;
}

.auth-intro,
.auth-board {
    position: relative;
    border-radius: 34px;
    background: rgba(255, 255, 255, 0.94);
    box-shadow: var(--shadow-lg);
}

.auth-intro {
    overflow: hidden;
    padding: 96px 54px 0;
    background:
        radial-gradient(circle at 20% 20%, rgba(224, 236, 216, 0.54), transparent 24%),
        linear-gradient(180deg, rgba(248, 251, 245, 0.95) 0%, rgba(248, 251, 245, 0.9) 100%);
}

.auth-intro h1 {
    margin: 0;
    color: #1a4826;
    font-size: clamp(42px, 4vw, 66px);
    line-height: 1.08;
    font-weight: 800;
}

.auth-intro p {
    max-width: 320px;
    margin: 26px 0 0;
    color: var(--muted);
    font-size: 18px;
    line-height: 1.9;
}

.auth-intro img {
    position: absolute;
    left: 0;
    right: 0;
    bottom: 22px;
    width: min(88%, 520px);
    margin: auto;
}

.auth-board {
    padding: 46px 42px 42px;
}

.auth-board__tabs {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    margin-bottom: 28px;
    border-bottom: 1px solid rgba(36, 49, 42, 0.1);
}

.auth-board__tabs a {
    position: relative;
    padding: 14px 16px;
    text-align: center;
    color: #6a7a70;
    font-size: 18px;
    font-weight: 700;
    text-decoration: none;
    transition: color 0.18s ease;
}

.auth-board__tabs a:hover,
.auth-board__tabs a.is-active {
    color: var(--green-700);
}

.auth-board__tabs a.is-active::after {
    content: "";
    position: absolute;
    left: 50%;
    bottom: -1px;
    transform: translateX(-50%);
    width: 56px;
    height: 3px;
    border-radius: 999px;
    background: var(--green-700);
}

.auth-board__columns {
    display: grid;
    grid-template-columns: 1fr;
    max-width: 420px;
    margin: 0 auto;
}

.auth-form-card h2 {
    margin: 0 0 28px;
    color: #28352b;
    font-size: 20px;
    font-weight: 800;
}

.auth-form-card form {
    display: grid;
    gap: 18px;
}

.auth-inline,
.check-line {
    display: flex;
    align-items: center;
}

.auth-inline {
    justify-content: space-between;
    gap: 16px;
}

.check-line {
    gap: 8px;
    color: #455549;
}

.auth-inline a,
.auth-switch a {
    color: var(--green-700);
    font-weight: 700;
}

.auth-switch {
    margin: 6px 0 0;
    text-align: center;
    color: var(--muted);
}

@media (max-width: 920px) {
    .auth-board__columns {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 640px) {
    .auth-board,
    .auth-intro {
        border-radius: 24px;
    }

    .auth-board {
        padding: 22px 18px;
    }

    .auth-intro {
        min-height: 420px;
        padding: 42px 24px 0;
    }
}