.door {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 480px);
    align-items: start;
    gap: 40px clamp(48px, 7vw, 128px);
    padding-top: clamp(24px, 6vh, 64px);
}

.door-done {
    grid-template-columns: minmax(0, 1fr);
}

.door-intro {
    display: grid;
    justify-items: start;
    gap: 18px;
    max-width: 580px;
}

.door-intro h1 {
    max-width: 100%;
    font-size: var(--step-5);
    font-stretch: 122%;
    line-height: 0.92;
    letter-spacing: -0.028em;
}

.door-intro > p {
    max-width: 40ch;
    margin: 0;
    color: var(--ink-2);
    font-size: clamp(1.125rem, 1.6vw, 1.375rem);
    line-height: 1.5;
}

.door-done .door-intro {
    max-width: 860px;
}

.door-intro > .door-aside {
    max-width: 42ch;
    margin-top: 6px;
    padding-top: 18px;
    border-top: 1px solid var(--hairline);
    font-size: var(--step-0);
}

.door-intro > .btn {
    margin-top: 8px;
}

.door-form {
    display: grid;
    gap: 22px;
    padding-top: 4px;
}

.door-form .field input {
    min-height: 54px;
    padding: 10px 2px 12px;
    font-size: var(--step-2);
}

.door-form > .btn-primary {
    min-height: 54px;
    margin-top: 4px;
    font-size: var(--step-1);
}

.door-forgot {
    align-self: flex-end;
    padding: 4px 0;
    color: var(--ink-2);
    font-size: var(--step--1);
}

.door-forgot:hover {
    color: var(--ink);
}

.door-or {
    display: flex;
    align-items: center;
    gap: 14px;
    margin: 0;
    color: var(--ink-3);
    font-size: var(--step--1);
}

.door-or::before,
.door-or::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--hairline);
}

.door-alts {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px;
}

.door-links {
    display: flex;
    flex-wrap: wrap;
    gap: 4px 22px;
    font-size: var(--step-0);
}

.door-links .link-btn {
    padding: 6px 0;
    color: var(--ink-2);
}

.door-links .link-btn:hover {
    color: var(--ink);
}

.door-foot {
    margin: 0;
    color: var(--ink-2);
    font-size: var(--step-0);
}

.field-hint {
    margin: 0;
    color: var(--ink-3);
    font-size: var(--step--1);
    line-height: 1.45;
}

.field-aside {
    color: var(--ink-3);
    font-weight: 400;
}

.field input:disabled {
    border-bottom-style: dashed;
    color: var(--ink-3);
    cursor: not-allowed;
}

.auth-page {
    display: flex;
    justify-content: center;
    padding-top: clamp(32px, 8vh, 88px);
}

.auth-card {
    position: relative;
    width: min(400px, 100%);
}

.auth-card h1 {
    margin: 0 0 8px;
    font-size: var(--step-3);
    font-stretch: 116%;
}

.auth-sub {
    margin: 0 0 28px;
    color: var(--ink-2);
    font-size: var(--step-0);
}

.auth-card .field {
    margin-bottom: 22px;
}

.auth-card .form-notice:not(:empty) {
    margin-bottom: 16px;
}

.auth-card .btn {
    margin-top: 8px;
}

.nf-ways {
    font-size: var(--step-0);
}

.settings-page .page-head {
    margin-bottom: clamp(24px, 4vh, 40px);
}

.settings-tabs {
    display: flex;
    flex-wrap: wrap;
    gap: 0 clamp(22px, 3vw, 36px);
    border-bottom: 1px solid var(--hairline);
}

.settings-tab {
    position: relative;
    min-height: 48px;
    padding: 0;
    border: 0;
    background: none;
    color: var(--ink-2);
    font-size: var(--step-0);
    font-weight: 600;
    cursor: pointer;
    transition: color 0.2s ease;
}

.settings-tab:hover,
.settings-tab[aria-selected="true"] {
    color: var(--ink);
}

.settings-tab::after {
    content: '';
    position: absolute;
    left: 0;
    right: 0;
    bottom: -1px;
    height: 2px;
    border-radius: 2px;
    background: rgb(var(--sun-rgb));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.3s var(--ease-out);
}

.settings-tab[aria-selected="true"]::after {
    transform: scaleX(1);
}

.settings-notice {
    margin-top: 20px;
}

.set-section {
    display: grid;
    grid-template-columns: minmax(0, 300px) minmax(0, 1fr);
    gap: 16px clamp(40px, 7vw, 104px);
    padding: clamp(32px, 5vh, 52px) 0;
    border-top: 1px solid var(--hairline);
}

.settings-tabpane .set-section:first-child {
    border-top: 0;
}

.set-head h2 {
    font-family: var(--font-text);
    font-size: var(--step-2);
    font-weight: 700;
    font-stretch: normal;
    letter-spacing: 0;
}

.set-head p {
    max-width: 32ch;
    margin: 10px 0 0;
    color: var(--ink-2);
    font-size: var(--step-0);
    line-height: 1.5;
}

.set-body {
    display: grid;
    align-content: start;
    gap: 22px;
    min-width: 0;
    max-width: 560px;
}

.set-form {
    display: grid;
    gap: 22px;
    max-width: 460px;
}

.set-actions {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 10px;
}

.set-status {
    display: flex;
    align-items: center;
    gap: 10px;
    margin: 0;
    color: var(--ink-2);
    font-size: var(--step-1);
}

.set-status svg {
    flex: none;
    color: var(--ink);
}

.set-list {
    margin: 0;
    padding: 0;
    list-style: none;
    border-top: 1px solid var(--hairline);
}

.set-body > .set-list:first-child {
    border-top: 0;
}

.set-list li {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    min-height: 64px;
    padding: 12px 0;
    border-bottom: 1px solid var(--hairline);
}

.set-item {
    display: grid;
    gap: 2px;
    min-width: 0;
}

.set-item-title {
    overflow: hidden;
    font-size: var(--step-1);
    font-weight: 600;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.set-item-meta {
    color: var(--ink-3);
    font-size: var(--step--1);
}

.set-now {
    margin-left: 10px;
    color: var(--ink-2);
    font-size: var(--step--1);
    font-weight: 600;
}

.set-now::before {
    content: '';
    display: inline-block;
    width: 6px;
    height: 6px;
    margin-right: 6px;
    border-radius: 50%;
    background: rgb(var(--sun-rgb));
    vertical-align: 0.15em;
}

.set-inline {
    display: flex;
    flex-wrap: wrap;
    align-items: flex-end;
    gap: 14px;
}

.set-inline .field {
    flex: 1 1 220px;
}

.enroll-panel {
    display: grid;
    gap: 18px;
    padding: clamp(20px, 3vw, 28px);
}

.enroll-panel h3 {
    font-family: var(--font-text);
    font-size: var(--step-2);
    font-weight: 700;
    font-stretch: normal;
    letter-spacing: 0;
}

.enroll-panel > p {
    margin: 0;
    color: var(--ink-2);
    font-size: var(--step-0);
}

.enroll-row {
    display: flex;
    flex-wrap: wrap;
    align-items: flex-start;
    gap: 24px;
}

.qr-box {
    flex: none;
    line-height: 0;
    border-radius: var(--r-2);
    overflow: hidden;
    box-shadow: var(--shadow-1);
}

.qr-box svg {
    display: block;
}

.enroll-manual {
    display: grid;
    gap: 10px;
    flex: 1 1 200px;
    min-width: 0;
}

.enroll-manual p {
    margin: 0;
    color: var(--ink-2);
    font-size: var(--step-0);
}

.totp-secret {
    display: block;
    padding: 8px 0 10px;
    border-bottom: 1px solid var(--hairline-strong);
    color: var(--ink);
    font-size: var(--step-0);
    letter-spacing: 0.08em;
    word-break: break-all;
    user-select: all;
}

.backup-codes {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    column-gap: 28px;
    margin: 0;
    padding: 0;
    list-style: none;
}

.backup-codes li {
    padding: 10px 0;
    border-bottom: 1px solid var(--hairline);
}

.backup-codes code {
    font-size: var(--step-1);
    letter-spacing: 0.06em;
    font-variant-numeric: tabular-nums;
    user-select: all;
}

.stepup-veil {
    position: fixed;
    inset: 0;
    z-index: 40;
    display: grid;
    place-items: center;
    padding: 20px;
    background: rgb(var(--deep-rgb) / 0.62);
    animation: veil-in 0.2s ease;
}

.stepup-prompt {
    display: grid;
    gap: 18px;
    width: min(500px, 100%);
    padding: 28px;
    border: 1px solid var(--hairline);
    border-top-color: rgb(var(--sun-rgb) / 0.32);
    border-radius: var(--r-3);
    background: rgb(var(--deep-rgb) / 0.97);
    box-shadow: var(--shadow-2);
    animation: menu-in 0.2s var(--ease-out);
}

.stepup-prompt h2 {
    font-family: var(--font-text);
    font-size: var(--step-2);
    font-weight: 700;
    font-stretch: normal;
    letter-spacing: 0;
}

.stepup-prompt > p {
    margin: 0;
    color: var(--ink-2);
    font-size: var(--step-0);
}

@media (max-width: 860px) {
    .door {
        grid-template-columns: minmax(0, 1fr);
        gap: 32px;
        padding-top: 28px;
    }

    .door-intro h1 {
        font-size: clamp(2.5rem, 12vw, 3.5rem);
        font-stretch: 116%;
    }

    .set-section {
        grid-template-columns: minmax(0, 1fr);
    }

    .set-body,
    .set-form {
        max-width: none;
    }
}

@media (max-width: 520px) {
    .door-alts {
        grid-template-columns: minmax(0, 1fr);
    }

    .set-list li {
        flex-wrap: wrap;
    }
}