/* ── FEATURE-46 — two-step verification (specs/014-mfa/contracts/ui.md) ──────────────────────────────────
   The sign-in page's second step and setup (login.html + js/mfa-login.js), and the Account page's card and
   its "confirm it is you" dialog (index.html + js/mfa-account.js). Tokens only: css/dark.css (the base,
   arcade at night) and css/light.css (warm paper) colour it; the member's colour is --color-primary-*.
   The QR code stays black on white in both themes: that is what a camera reads. */

.mfa { display: flex; flex-direction: column; gap: 16px; }
.mfa[hidden], .mfa [hidden], .mfa-card [hidden] { display: none !important; }
.mfa-head { text-align: center; }
.mfa-title { font-size: 20px; font-weight: 700; color: var(--text); margin: 0 0 4px; }
.mfa-title:focus { outline: none; }
.mfa-sub { font-size: 13px; color: var(--muted); line-height: 1.55; margin: 0; }

/* fields */
.mfa-field { display: flex; flex-direction: column; gap: 6px; }
.mfa-label { font-size: 12px; font-weight: 600; color: var(--text); }
.mfa-input {
  width: 100%; box-sizing: border-box; background: var(--surf2); color: var(--text);
  border: 1px solid var(--border-strong); border-radius: 10px; padding: 11px 13px;
  font: inherit; font-size: 15px; -webkit-appearance: none; appearance: none;
}
.mfa-input:focus { outline: none; border-color: var(--color-primary-ink); box-shadow: 0 0 0 3px var(--color-focus); }
.mfa-input[aria-invalid="true"] { border-color: var(--red); }
select.mfa-input { padding-right: 32px; background-image: linear-gradient(45deg, transparent 50%, var(--muted) 50%), linear-gradient(135deg, var(--muted) 50%, transparent 50%);
  background-position: calc(100% - 17px) 50%, calc(100% - 12px) 50%; background-size: 5px 5px; background-repeat: no-repeat; }
.mfa-code { font-family: ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace; font-size: 22px; letter-spacing: .3em; text-align: center; }
.mfa-code::placeholder { color: var(--muted); opacity: .55; letter-spacing: .3em; }
.mfa-hint { font-size: 12px; color: var(--muted); line-height: 1.5; margin: 0; }
.mfa-grid { display: grid; grid-template-columns: minmax(0, 2fr) minmax(0, 3fr); gap: 10px; }
@media (max-width: 420px) { .mfa-grid { grid-template-columns: 1fr; } }

/* how to verify: a segmented choice (radio buttons, keyboard as usual) */
.mfa-methods { display: flex; gap: 6px; flex-wrap: wrap; border: 0; padding: 0; margin: 0; min-width: 0; }
.mfa-methods legend { font-size: 12px; font-weight: 600; color: var(--text); margin-bottom: 6px; padding: 0; }
.mfa-opt { position: relative; flex: 1 1 0; min-width: 92px; }
.mfa-opt input { position: absolute; inset: 0; opacity: 0; margin: 0; cursor: pointer; }
.mfa-opt span {
  display: block; text-align: center; padding: 9px 8px; border-radius: 10px; font-size: 12px; font-weight: 600;
  border: 1px solid var(--border-strong); background: var(--surf2); color: var(--muted);
}
.mfa-opt input:checked + span { color: var(--text); border-color: var(--color-primary-ink); background: var(--color-primary-light); }
.mfa-opt input:focus-visible + span { outline: 2px solid var(--color-primary-ink); outline-offset: 2px; }

.mfa-check { display: flex; align-items: flex-start; gap: 8px; font-size: 13px; color: var(--text); cursor: pointer; line-height: 1.45; }
.mfa-check input { width: 16px; height: 16px; margin: 2px 0 0; flex-shrink: 0; accent-color: var(--color-primary-ink); }
.mfa-check small { display: block; color: var(--muted); font-size: 12px; }

.mfa-row { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.mfa-msg { font-size: 13px; line-height: 1.5; border-radius: 10px; padding: 10px 12px; margin: 0; }
.mfa-msg:empty { display: none; }
.mfa-msg.is-error { color: var(--red); background: color-mix(in srgb, var(--red) 10%, transparent); border: 1px solid color-mix(in srgb, var(--red) 40%, transparent); }
.mfa-msg.is-info { color: var(--text); background: var(--surf2); border: 1px solid var(--border); }
.mfa-msg.is-ok { color: var(--green); background: color-mix(in srgb, var(--green) 10%, transparent); border: 1px solid color-mix(in srgb, var(--green) 40%, transparent); }

/* buttons that are not the page's main one */
.mfa-secondary {
  background: var(--surf2); color: var(--text); border: 1px solid var(--border-strong); border-radius: 10px;
  padding: 9px 14px; font: inherit; font-size: 13px; font-weight: 600; cursor: pointer;
}
.mfa-secondary:hover:not(:disabled) { border-color: var(--color-primary-ink); }
.mfa-secondary:focus-visible { outline: 2px solid var(--color-primary-ink); outline-offset: 2px; }
.mfa-secondary:disabled { opacity: .6; cursor: default; }
.mfa-linkbtn {
  background: none; border: 0; padding: 4px 2px; color: var(--muted); text-decoration: underline; text-underline-offset: 3px;
  cursor: pointer; font: inherit; font-size: 13px; align-self: center;
}
.mfa-linkbtn:hover { color: var(--color-primary-ink); }
.mfa-linkbtn:focus-visible { outline: 2px solid var(--color-primary-ink); outline-offset: 2px; border-radius: 4px; }

/* the setup: two ways to choose from */
.mfa-choices { display: grid; gap: 10px; }
.mfa-choice {
  display: flex; flex-direction: column; gap: 4px; width: 100%; text-align: left; cursor: pointer;
  padding: 14px 16px; border-radius: 12px; border: 1px solid var(--border-strong); background: var(--surf2); color: var(--text); font: inherit;
}
.mfa-choice:hover:not(:disabled) { border-color: var(--color-primary-ink); }
.mfa-choice:focus-visible { outline: 2px solid var(--color-primary-ink); outline-offset: 2px; }
.mfa-choice:disabled { cursor: default; opacity: .7; }
.mfa-choice b { font-size: 14px; display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.mfa-choice small { font-size: 12px; color: var(--muted); line-height: 1.45; }
.mfa-tag {
  font-size: 10px; font-weight: 700; letter-spacing: .04em; text-transform: uppercase; padding: 2px 7px; border-radius: 99px;
  color: var(--green); background: color-mix(in srgb, var(--green) 15%, transparent);
}

/* the QR code (black on white, whatever the theme) and the key to type */
.mfa-qr { width: fit-content; margin: 0 auto; align-self: center; background: #fff; padding: 8px; border-radius: 12px; border: 1px solid var(--border); line-height: 0; }
.mfa-qr img { width: 196px; height: 196px; display: block; image-rendering: pixelated; }
.mfa-key {
  font-family: ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace; font-size: 14px; letter-spacing: .06em;
  word-break: normal; overflow-wrap: anywhere; color: var(--text); background: var(--surf2); border: 1px dashed var(--border-strong);
  border-radius: 8px; padding: 8px 10px; margin: 0;
}
.mfa-steps { margin: 0; padding-left: 20px; display: flex; flex-direction: column; gap: 12px; color: var(--text); font-size: 13px; line-height: 1.5; }
.mfa-steps > li > * + * { margin-top: 8px; }

/* recovery codes, shown once */
.mfa-codes { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 8px; list-style: none; padding: 0; margin: 0; }
.mfa-codes li {
  font-family: ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace; font-size: 15px; text-align: center; letter-spacing: .04em;
  padding: 8px 6px; border-radius: 8px; background: var(--surf2); border: 1px solid var(--border); color: var(--text);
}

/* ── the Account page's card ── */
.mfa-card { display: flex; flex-direction: column; gap: 12px; }
.mfa-state { font-size: 13px; color: var(--text); line-height: 1.5; margin: 0; display: flex; gap: 8px; align-items: baseline; flex-wrap: wrap; }
.mfa-badge { font-size: 10px; font-weight: 700; letter-spacing: .04em; text-transform: uppercase; padding: 2px 8px; border-radius: 4px; white-space: nowrap; }
.mfa-badge.is-on  { color: var(--green); background: color-mix(in srgb, var(--green) 15%, transparent); }
.mfa-badge.is-off { color: var(--red);   background: color-mix(in srgb, var(--red) 15%, transparent); }
.mfa-list { list-style: none; margin: 0; padding: 0; }
.mfa-item { display: flex; align-items: center; justify-content: space-between; gap: 10px; flex-wrap: wrap; padding: 10px 0; border-top: 1px solid var(--border); }
.mfa-item:first-child { border-top: 0; }
.mfa-item-name { display: flex; flex-direction: column; gap: 2px; min-width: 0; }
.mfa-item-name b { font-size: 13px; color: var(--text); }
.mfa-item-name span { font-size: 12px; color: var(--muted); overflow-wrap: anywhere; }
.mfa-item-acts { display: flex; gap: 6px; flex-wrap: wrap; }
.mfa-panel { border: 1px solid var(--border); border-radius: 12px; padding: 14px; background: var(--bg); display: flex; flex-direction: column; gap: 12px; }

/* ── Platform (js/app-platform.js): the allowed countries of the text messages ── */
.plat-sms-countries { border: 0; padding: 0; margin: 0 0 14px; min-width: 0; }
.plat-sms-list {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(min(160px, 100%), 1fr)); gap: 2px 12px;
  max-height: 220px; overflow: auto; padding: 8px 10px; margin-top: 6px;
  border: 1px solid var(--border); border-radius: 10px; background: var(--surf2);
}
.plat-sms-list label { display: flex; align-items: center; gap: 7px; font-size: 12px; color: var(--text); cursor: pointer; padding: 3px 0; min-width: 0; }
.plat-sms-list input { accent-color: var(--color-primary-ink); flex-shrink: 0; margin: 0; }
.plat-sms-list small { color: var(--muted); }

/* ── Accounts (js/app-accounts.js): the "MFA off" chip and the card's MFA section ── */
.acc-status.mfa-off { background: color-mix(in srgb, var(--red) 15%, transparent); color: var(--red); }
.acc-mfa-state { font-size: 13px; color: var(--text); margin: 0; line-height: 1.5; }

/* the "confirm it is you" dialog (a native <dialog>) */
.mfa-dialog {
  width: min(420px, calc(100vw - 32px)); max-height: calc(100vh - 32px); box-sizing: border-box; overflow: auto;
  background: var(--surf); color: var(--text); border: 1px solid var(--border); border-radius: 16px; padding: 22px;
  box-shadow: var(--e3);
}
.mfa-dialog::backdrop { background: var(--scrim); }
.mfa-dialog form { display: flex; flex-direction: column; gap: 14px; }
.mfa-dialog h2 { font-size: 17px; margin: 0; color: var(--text); }
.mfa-dialog .mfa-row { justify-content: flex-end; }