.account-auth-shell {
    align-items: center;
    display: grid;
    gap: clamp(3rem, 8vw, 9rem);
    grid-template-columns: minmax(0, 1.1fr) minmax(340px, 520px);
    margin: 0 auto;
    max-width: 1380px;
    min-height: 100vh;
    padding: clamp(6rem, 10vw, 9rem) clamp(1.2rem, 7vw, 6rem);
    width: 100%;
}

.account-auth-intro > img {
    height: auto;
    margin-bottom: clamp(3rem, 8vw, 7rem);
    max-width: 360px;
    object-fit: contain;
    object-position: left center;
    width: min(72%, 360px);
}

.account-auth-intro h1 {
    font-size: clamp(2.8rem, 6vw, 5.4rem);
    margin: 1rem 0 1.5rem;
    max-width: 800px;
}

.account-auth-intro > p {
    font-size: 1.04rem;
    max-width: 650px;
}

.account-boundary {
    align-items: center;
    border-top: 1px solid var(--line);
    color: var(--muted);
    display: flex;
    font-size: 0.78rem;
    gap: 0.65rem;
    margin-top: 2.3rem;
    max-width: 620px;
    padding-top: 1.15rem;
}

.account-boundary i {
    background: var(--success);
    border-radius: 50%;
    box-shadow: 0 0 16px color-mix(in srgb, var(--success) 70%, transparent);
    height: 8px;
    width: 8px;
}

.account-card,
.account-message-card {
    backdrop-filter: blur(28px);
    background: linear-gradient(145deg, color-mix(in srgb, var(--surface) 96%, transparent), color-mix(in srgb, var(--primary) 6%, var(--surface)));
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    padding: clamp(1.6rem, 5vw, 3.4rem);
}

.account-card h2 {
    font-size: clamp(1.8rem, 4vw, 2.5rem);
    margin: 0.75rem 0 0.8rem;
}

.account-card .form-stack {
    margin-top: 1.6rem;
}

.account-card .button.subtle,
.account-message-card .button.subtle {
    background: color-mix(in srgb, var(--surface-raised) 80%, transparent);
    border-color: var(--line);
    color: var(--text);
}

.account-secondary-form {
    border-top: 1px solid var(--line);
    display: grid;
    gap: 1rem;
    margin-top: 1.25rem;
    padding-top: 1.25rem;
}

.account-secondary-form label {
    display: grid;
    gap: 0.48rem;
}

.account-secondary-form label > span {
    color: var(--muted);
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.07em;
    text-transform: uppercase;
}

.account-secondary-form input {
    background: color-mix(in srgb, var(--page) 72%, transparent);
    border: 1px solid var(--line);
    border-radius: var(--radius-sm);
    color: var(--text);
    min-height: 50px;
    padding: 0.78rem 0.95rem;
}

:root[data-theme="light"] .account-secondary-form input {
    background: rgba(255, 255, 255, 0.9);
}

.account-links {
    display: flex;
    flex-wrap: wrap;
    font-size: 0.82rem;
    gap: 0.8rem 1.2rem;
    justify-content: space-between;
    margin-top: 1.4rem;
}

.account-links a,
.account-back-link {
    color: var(--cyan);
    font-weight: 700;
}

.account-back-link {
    display: inline-block;
    font-size: 0.82rem;
    margin-top: 1.4rem;
}

.account-flow-list {
    display: grid;
    gap: 0.8rem;
    list-style: none;
    margin: 2rem 0 0;
    max-width: 620px;
    padding: 0;
}

.account-flow-list li {
    align-items: center;
    border-top: 1px solid var(--line);
    display: flex;
    gap: 1rem;
    padding-top: 0.8rem;
}

.account-flow-list span {
    color: var(--cyan);
    font-family: Consolas, monospace;
    font-size: 0.72rem;
}

.account-checkbox {
    align-items: start;
    display: grid !important;
    gap: 0.7rem !important;
    grid-template-columns: auto 1fr;
}

.account-checkbox input {
    margin-top: 0.18rem;
    min-height: auto !important;
}

.account-checkbox > span {
    font-size: 0.82rem !important;
    letter-spacing: 0 !important;
    line-height: 1.5;
    text-transform: none !important;
}

.account-checkbox a {
    color: var(--cyan);
}

.account-message-shell {
    align-items: center;
    display: flex;
    justify-content: center;
    min-height: 100vh;
    padding: 7rem 1.2rem;
}

.account-message-card {
    max-width: 700px;
    text-align: center;
    width: 100%;
}

.account-message-card > img {
    height: auto;
    margin-bottom: 2.3rem;
    max-width: 260px;
    width: 62%;
}

.account-message-card h1 {
    font-size: clamp(2.3rem, 7vw, 4.4rem);
    margin: 1rem 0;
}

.account-confirm-form {
    margin-top: 1.8rem;
}

.account-form-message-card {
    max-width: 620px;
    text-align: left;
}

.account-form-message-card > img {
    display: block;
    margin-inline: auto;
}

.account-form-message-card h1 {
    font-size: clamp(2.2rem, 6vw, 3.9rem);
}

@media (max-width: 900px) {
    .account-auth-shell {
        gap: 2.5rem;
        grid-template-columns: 1fr;
        padding-top: 7rem;
    }

    .account-auth-intro > img {
        margin-bottom: 2.5rem;
    }
}

@media (max-width: 620px) {
    .account-auth-shell {
        padding-inline: 1rem;
    }

    .account-card,
    .account-message-card {
        border-radius: var(--radius-md);
        padding: 1.35rem;
    }

    .account-links {
        align-items: flex-start;
        flex-direction: column;
    }
}