.mfa-dialog {
    box-sizing: border-box;
    width: min(540px, calc(100vw - 32px));
    max-width: 540px;
    max-height: min(88vh, 900px);
    max-height: min(88dvh, 900px);
    margin: auto;
    padding: 0;
    overflow: auto;
    overscroll-behavior: contain;
    color: var(--text-main);
    background: var(--bg-surface);
    border: 1px solid var(--border-strong);
    border-radius: 20px;
    box-shadow: 0 30px 100px rgba(0, 0, 0, .48);
}
.mfa-dialog::backdrop { background: rgba(2, 6, 23, .72); backdrop-filter: blur(5px); }
body.mfa-modal-open { overflow: hidden; }
.mfa-dialog *, .mfa-dialog *::before, .mfa-dialog *::after { box-sizing: border-box; }
.mfa-dialog [hidden] { display: none !important; }
.mfa-dialog-shell { position: relative; min-width: 0; padding: 30px; }
.mfa-dialog .mfa-close {
    position: absolute; z-index: 1; right: 14px; top: 14px;
    display: grid; place-items: center; width: 34px; height: 34px;
    padding: 0; border: 1px solid transparent; border-radius: 10px;
    background: transparent; color: var(--text-muted); font-size: 25px; line-height: 1;
}
.mfa-dialog .mfa-close:hover { background: var(--bg-surface-hover); color: var(--text-strong); }
.mfa-heading { padding-right: 22px; margin-bottom: 20px; }
.mfa-eyebrow { display: block; margin-bottom: 8px; color: var(--text-muted); font-size: 11px; letter-spacing: .12em; text-transform: uppercase; font-weight: 700; }
.mfa-dialog h2 { margin: 0; color: var(--text-strong); font-size: 24px; line-height: 1.25; letter-spacing: -.025em; }
.mfa-dialog h3 { margin: 0 0 14px; color: var(--text-strong); font-size: 15px; line-height: 1.4; }
.mfa-copy, .mfa-account-name { margin: 0 0 18px; color: var(--text-muted); font-size: 14px; line-height: 1.5; overflow-wrap: anywhere; }
.mfa-account-name { margin: 8px 0 0; }
.mfa-muted { display: block; color: var(--text-muted); font-size: 12px; }
.mfa-qr { width: min(244px, 100%); margin: 0 auto 18px; padding: 12px; background: #fff; border-radius: 14px; }
.mfa-qr svg { display: block; width: 100%; height: auto; }
.mfa-manual-key { margin: 0 0 22px; font-size: 13px; }
.mfa-dialog summary { width: fit-content; color: var(--text-link); cursor: pointer; line-height: 1.6; }
.mfa-manual-key code { display: block; padding: 12px 0 8px; font-size: 13px; user-select: all; overflow-wrap: anywhere; }
.mfa-form { display: grid; grid-template-columns: minmax(0, 1fr); gap: 8px; margin: 0; }
.mfa-form > label { color: var(--text-main); font-size: 13px; font-weight: 600; }
.mfa-form > input, .mfa-form > textarea {
    width: 100%; min-width: 0; margin: 0 0 7px; padding: 11px 12px;
    color: var(--text-main); background: var(--bg-input);
    border: 1px solid var(--border-strong); border-radius: 9px; font: inherit;
}
.mfa-form > textarea { min-height: 72px; resize: vertical; }
.mfa-form > .mfa-code-input { padding: 12px 16px; font-size: 26px; letter-spacing: .3em; font-variant-numeric: tabular-nums; text-align: center; }
.mfa-dialog input::placeholder { color: var(--text-muted); opacity: .7; }
.mfa-dialog button, .mfa-primary-link { min-height: 42px; border-radius: 9px; font-size: 13px; font-weight: 600; }
.mfa-dialog button:disabled { cursor: wait; opacity: .55; }
.mfa-dialog :is(button, a, input, textarea, summary):focus-visible { outline: 3px solid var(--text-link); outline-offset: 3px; }
.mfa-dialog h2:focus, .mfa-message:focus { outline: none; }
.mfa-primary-link { display: flex; justify-content: center; align-items: center; width: 100%; text-align: center; text-decoration: none; padding: 11px 14px; }
.mfa-full-width { width: 100%; }
.mfa-request { margin-top: 18px; font-size: 13px; }
.mfa-request[open] > summary { margin-bottom: 14px; }
.mfa-footer { display: flex; justify-content: center; margin-top: 10px; }
.mfa-dialog .mfa-text-button { min-height: 34px; padding: 5px 8px; color: var(--text-muted); background: transparent; border: 0; font-weight: 400; }
.mfa-dialog .mfa-text-button:hover { color: var(--text-main); }
.mfa-recovery-codes { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px 16px; list-style: none; margin: 0 0 22px; padding: 18px; border: 1px solid var(--border-main); border-radius: 12px; background: var(--bg-surface-alt); }
.mfa-recovery-codes li { text-align: center; min-width: 0; }
.mfa-recovery-codes code { font-size: 13px; user-select: all; overflow-wrap: anywhere; }
.mfa-message { margin: 0 0 16px; padding: 11px 13px; border: 1px solid var(--border-strong); border-radius: 9px; background: var(--bg-surface-alt); color: var(--text-main); font-size: 13px; line-height: 1.5; overflow-wrap: anywhere; }
.mfa-message-error { border-color: #a63b50; color: #fecdd3; background: rgba(159, 18, 57, .13); }
body[data-theme="light"] .mfa-message-error { color: #9f1239; background: #fff1f2; border-color: #fda4af; }
.mfa-status { display: flex; align-items: center; gap: 9px; margin: 0 0 18px; padding: 12px 14px; color: var(--text-main); background: var(--bg-surface-alt); border: 1px solid var(--border-main); border-radius: 10px; font-size: 13px; }
.mfa-status-dot { width: 7px; height: 7px; flex-shrink: 0; background: #818cf8; border-radius: 50%; }
.mfa-account-status { margin: 0 0 20px; }
.mfa-account-status > div { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 8px; padding: 15px 0; border-bottom: 1px solid var(--border-main); font-size: 14px; }
.mfa-account-status dt { color: var(--text-muted); }
.mfa-account-status dd { margin: 0; font-weight: 600; }
.mfa-section + .mfa-section { padding-top: 24px; margin-top: 24px; border-top: 1px solid var(--border-main); }
.mfa-section + .mfa-copy { margin-top: 20px; margin-bottom: 0; }
.mfa-dialog .mfa-checkbox { display: flex; align-items: center; gap: 10px; margin: 4px 0 12px; cursor: pointer; }
.mfa-dialog .mfa-checkbox input { flex: 0 0 17px; width: 17px; height: 17px; margin: 0; accent-color: var(--btn-primary-bg); }
.mfa-actions { display: flex; gap: 10px; margin-top: 4px; }
.mfa-actions > * { flex: 1; }
.mfa-request-details { padding: 12px 14px; margin-bottom: 18px; border: 1px solid var(--border-main); border-radius: 10px; background: var(--bg-surface-alt); }
.mfa-request-details p { margin: 6px 0 0; white-space: pre-wrap; overflow-wrap: anywhere; font-size: 13px; }
.mfa-admin-card { margin: 14px 0 0; padding: 16px; border: 1px solid var(--border-main); border-radius: 12px; background: var(--bg-surface-alt); }
.mfa-admin-card-primary { border-color: var(--border-strong); }
.mfa-admin-card > summary { width: 100%; color: var(--text-strong); font-size: 14px; font-weight: 600; }
.mfa-admin-card > summary .mfa-muted { display: inline; margin-left: 8px; font-weight: 400; }
.mfa-admin-card-body { margin-top: 16px; }
.mfa-admin-card .mfa-copy { margin-bottom: 14px; font-size: 13px; }
.mfa-admin-card .mfa-request-details { padding: 10px 12px; margin-bottom: 14px; }
.mfa-admin-card [data-mfa-codes-feedback] { margin: 16px 0 0; }
.mfa-admin-card [data-mfa-codes-region] { margin-top: 14px; }
.mfa-inline-codes { grid-template-columns: minmax(0, 1fr); gap: 10px; margin: 0; padding: 12px; }
.mfa-inline-codes li { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 8px; padding-bottom: 10px; border-bottom: 1px solid var(--border-main); }
.mfa-inline-codes li:last-child { border-bottom: 0; padding-bottom: 0; }
.mfa-inline-codes button { min-height: 32px; padding: 6px 9px; font-size: 12px; }
.mfa-replace-codes { margin-top: 6px; font-size: 13px; }
.mfa-replace-codes[open] > summary { margin-bottom: 8px; }
.mfa-replace-codes > p { margin: 0 0 10px; }
.mfa-loading { padding: 14px 0 0; color: var(--text-muted); font-size: 14px; }
.mfa-loading::before { content: ''; display: inline-block; width: 14px; height: 14px; margin-right: 10px; border: 2px solid var(--border-strong); border-top-color: #818cf8; border-radius: 50%; vertical-align: -2px; animation: mfa-spin .8s linear infinite; }
.mfa-pending-requests { display: grid; gap: 10px; margin-top: 16px; }
.mfa-pending-request { display: flex; align-items: center; justify-content: space-between; gap: 18px; padding: 14px 16px; border: 1px solid var(--border-main); border-radius: 10px; background: var(--bg-surface-alt); }
.mfa-pending-request > div { min-width: 0; }
.mfa-pending-request p { margin: 6px 0 0; color: var(--text-muted); font-size: 13px; overflow-wrap: anywhere; }
.mfa-pending-request > a { flex-shrink: 0; }
@keyframes mfa-spin { to { transform: rotate(360deg); } }
@media (prefers-reduced-motion: reduce) { .mfa-loading::before { animation: none; } }
@media (max-width: 480px) {
    .mfa-dialog { width: calc(100vw - 20px); max-height: calc(100dvh - 24px); border-radius: 16px; }
    .mfa-dialog-shell { padding: 26px 20px 22px; }
    .mfa-dialog h2 { font-size: 22px; }
    .mfa-form > input, .mfa-form > textarea { font-size: 16px; }
    .mfa-recovery-codes { padding: 14px 10px; gap: 12px 8px; }
    .mfa-recovery-codes code { font-size: 12px; }
    .mfa-actions { flex-wrap: wrap; }
    .mfa-actions > * { flex-basis: 140px; }
    .mfa-pending-request { flex-wrap: wrap; gap: 12px; }
}