/* 회원가입 · 아이디/비밀번호 찾기 모달 — .auth-flow / .af-modal 스코프, --bs-* 토큰만 사용 */

.auth-flow {
  --af-radius: 0.875rem;
  --af-field-h: 3.25rem;
  --af-pad: 1.75rem;
  position: relative;
  display: flex;
  flex-direction: column;
  width: 100%;
  height: min(44rem, calc(100dvh - 2rem));
  overflow: hidden;
  background: var(--bs-body-bg);
  border-radius: 1.5rem;
  color: var(--bs-body-color);
}
.auth-flow [hidden] { display: none !important; }

.af-modal .modal-dialog { max-width: 28rem; }
.af-modal .modal-content { border: 0; border-radius: 1.5rem; overflow: hidden; background: transparent; }
.af-close {
  position: absolute; top: 0.625rem; right: 0.75rem; z-index: 3;
  width: 2.5rem; height: 2.5rem; border: 0; border-radius: 50%;
  display: grid; place-items: center; background: transparent;
  color: var(--bs-secondary-color); font-size: 1.5rem;
}
.af-close:hover { background: var(--bs-tertiary-bg); }

.af-head { flex: none; display: flex; align-items: center; height: 3.5rem; padding: 0 0.75rem; }
.af-head::after { content: ""; flex: none; width: 2.5rem; }
.af-head-title { flex: 1; margin: 0; text-align: center; font-size: 1.125rem; font-weight: 700; color: var(--bs-body-color); }
.af-back {
  width: 2.5rem; height: 2.5rem; border: 0; border-radius: 50%;
  display: inline-flex; align-items: center; justify-content: center;
  background: transparent; color: var(--bs-body-color); font-size: 1.5rem;
}
.af-back:hover { background: var(--bs-tertiary-bg); }
.af-back.is-hidden { visibility: hidden; }
.af-progress { flex: none; height: 0.1875rem; margin: 0 var(--af-pad); border-radius: 1rem; background: var(--bs-tertiary-bg); overflow: hidden; }
.af-progress > span { display: block; height: 100%; width: 0; background: var(--bs-primary); transition: width 0.3s ease; }
.af-progress.is-hidden { visibility: hidden; }

.af-screen { flex: 1; min-height: 0; display: flex; flex-direction: column; }
.af-scroll { flex: 1; min-height: 0; overflow-y: auto; padding: 1.25rem var(--af-pad) 1rem; scrollbar-width: thin; scrollbar-gutter: stable both-edges; }
.af-foot { flex: none; padding: 0.75rem var(--af-pad) calc(1.25rem + env(safe-area-inset-bottom)); }
.af-foot .btn + .btn { margin-top: 0.5rem; }
.af-in-fwd { animation: af-in-fwd 0.28s ease both; }
.af-in-back { animation: af-in-back 0.28s ease both; }
@keyframes af-in-fwd { from { opacity: 0; transform: translateX(1.5rem); } to { opacity: 1; transform: none; } }
@keyframes af-in-back { from { opacity: 0; transform: translateX(-1.5rem); } to { opacity: 1; transform: none; } }
@media (prefers-reduced-motion: reduce) {
  .af-in-fwd, .af-in-back { animation: none; }
  .af-progress > span { transition: none; }
}

.af-title { margin: 0.5rem 0 0.5rem; font-size: 1.625rem; font-weight: 700; line-height: 1.4; letter-spacing: -0.02em; }
.af-title:focus, .af-title:focus-visible { outline: 0 !important; }
.af-sub { margin: 0 0 1.75rem; font-size: 0.9375rem; line-height: 1.55; color: var(--bs-secondary-color); }
.af-label { display: block; margin-bottom: 0.5rem; font-size: 0.8125rem; font-weight: 600; color: var(--bs-secondary-color); }
.af-field { margin-bottom: 1.25rem; }

.af-input {
  height: var(--af-field-h); padding: 0 1rem; font-size: 1rem;
  border: 1px solid transparent; border-radius: var(--af-radius);
  background-color: var(--bs-tertiary-bg); box-shadow: none;
}
.af-input:-webkit-autofill, .af-input:-webkit-autofill:hover { -webkit-text-fill-color: var(--bs-body-color); box-shadow: 0 0 0 100rem var(--bs-primary-bg-subtle) inset; caret-color: var(--bs-body-color); transition: background-color 9999s ease-out 0s; }
.af-input:-webkit-autofill:focus { box-shadow: 0 0 0 100rem var(--bs-body-bg) inset, 0 0 0 0.2rem rgba(var(--bs-primary-rgb), 0.18); }
.af-input::placeholder { color: var(--bs-secondary-color); }
.af-input:focus { background-color: var(--bs-body-bg); border-color: var(--bs-primary); box-shadow: 0 0 0 0.2rem rgba(var(--bs-primary-rgb), 0.18); }
.af-input[readonly] { cursor: pointer; }
.af-input:disabled, .af-input.is-locked { background-color: var(--bs-tertiary-bg); color: var(--bs-secondary-color); cursor: default; }
.af-input.is-invalid, .af-input.is-valid { background-image: none; padding-right: 1rem; }
.af-input.is-invalid { border-color: var(--bs-danger); background-color: var(--bs-body-bg); }
.af-input.is-invalid:focus { box-shadow: 0 0 0 0.2rem rgba(var(--bs-danger-rgb), 0.18); }
.af-input-pw { padding-right: 3rem; }
select.af-input { padding-right: 2.5rem; }
.af-pw-toggle { position: absolute; top: 0; right: 0; width: 3rem; height: var(--af-field-h); display: grid; place-items: center; border: 0; background: transparent; color: var(--bs-secondary-color); font-size: 1.25rem; }

.af-wrap { position: relative; }
.af-postcode { width: 100%; height: 420px; }
.af-idlist { margin: 0; padding: 0; list-style: none; display: flex; flex-direction: column; gap: 0.75rem; }
.af-idrow { display: flex; align-items: center; justify-content: space-between; gap: 1rem; padding: 1.125rem 1.25rem; border-radius: var(--af-radius); background: var(--bs-tertiary-bg); }
.af-idrow strong { display: block; font-size: 1.25rem; color: var(--bs-primary); word-break: break-all; }
.af-idrow small { color: var(--bs-secondary-color); }
.af-idrow .btn { flex: none; white-space: nowrap; }
.af-inline { display: flex; gap: 0.5rem; margin-bottom: 0.5rem; }
.af-inline > .af-input, .af-inline > .af-wrap { flex: 1; min-width: 0; }
.af-wrap > .af-input { width: 100%; }
.af-timer { position: absolute; top: 50%; right: 1rem; transform: translateY(-50%); font-size: 0.9375rem; font-variant-numeric: tabular-nums; color: var(--bs-primary); }

.af-btn-sub {
  flex: none; height: var(--af-field-h); padding: 0 1.125rem; border: 0;
  border-radius: var(--af-radius); font-size: 0.9375rem; font-weight: 600; white-space: nowrap;
  background: var(--bs-primary); color: var(--bs-white);
}
.af-btn-sub:hover, .af-btn-sub:active { background: var(--bs-primary); color: var(--bs-white); filter: brightness(0.9); }
.af-btn-sub:disabled { background: var(--bs-secondary-bg); color: var(--bs-secondary-color); opacity: 1; filter: none; }
.af-btn-lg { height: 3.5rem; border-radius: var(--af-radius); font-size: 1.0625rem; font-weight: 700; }
.btn.af-btn-lg.is-off, .btn.af-btn-lg.is-off:hover { background: var(--bs-secondary-bg); border-color: transparent; color: var(--bs-secondary-color); cursor: default; }
.af-btn-light { background: var(--bs-secondary-bg); border-color: transparent; color: var(--bs-body-color); }
.af-btn-light:hover { background: var(--bs-border-color); color: var(--bs-body-color); }

.af-msg { margin: 0.375rem 0.25rem 0; font-size: 0.8125rem; line-height: 1.5; color: var(--bs-secondary-color); }
.af-msg.is-error { color: var(--bs-danger); }
.af-msg.is-ok { color: var(--bs-primary); }
.af-hint { margin: 0 0 0.625rem; text-align: center; font-size: 0.8125rem; color: var(--bs-danger); }
.af-alert { display: flex; gap: 0.625rem; align-items: flex-start; margin-bottom: 1.25rem; padding: 0.875rem 1rem; border-radius: var(--af-radius); font-size: 0.8125rem; line-height: 1.5; background: rgba(var(--bs-danger-rgb), 0.06); color: var(--bs-danger); }
.af-alert > i { flex: none; font-size: 1.25rem; line-height: 1.2; }
.af-alert strong { display: block; font-size: 0.875rem; font-weight: 700; }
.af-rules { margin: 0.5rem 0.25rem 0; padding: 0; list-style: none; font-size: 0.8125rem; line-height: 1.6; color: var(--bs-secondary-color); }

.af-seg { display: flex; gap: 0.5rem; }
.af-seg label { position: relative; flex: 1; margin: 0; }
.af-seg input { position: absolute; inset: 0; opacity: 0; margin: 0; cursor: pointer; }
.af-seg span {
  display: flex; align-items: center; justify-content: center; height: var(--af-field-h);
  border-radius: var(--af-radius); background: var(--bs-tertiary-bg); font-weight: 600; color: var(--bs-secondary-color);
}
.af-seg input:checked + span { background: var(--bs-primary-bg-subtle); color: var(--bs-primary-text-emphasis); box-shadow: inset 0 0 0 2px var(--bs-primary); }
.af-seg input:focus-visible + span { outline: 2px solid var(--bs-primary); outline-offset: 2px; }

.auth-flow .af-cb { flex: none; float: none; width: 1.375rem; height: 1.375rem; margin: 0; border-radius: 50%; }
.af-check-all { display: flex; align-items: center; gap: 0.75rem; margin-bottom: 0.75rem; padding: 1rem; border-radius: var(--af-radius); background: var(--bs-primary-bg-subtle); }
.af-check-all label { flex: 1; margin: 0; font-size: 1rem; font-weight: 700; cursor: pointer; }
.af-terms { margin: 0; padding: 0; list-style: none; }
.af-term-row { display: flex; align-items: center; gap: 0.75rem; padding: 0.875rem 1rem; }
.af-more { flex: 1; display: flex; align-items: center; justify-content: space-between; padding: 0; border: 0; background: none; text-align: left; font-size: 0.9375rem; color: var(--bs-body-color); }
.af-more i { font-size: 1.25rem; color: var(--bs-secondary-color); }
.af-req { margin-right: 0.25rem; font-style: normal; color: var(--bs-primary); }
.af-doc { padding: 1.25rem; border-radius: var(--af-radius); background: var(--bs-tertiary-bg); font-size: 0.875rem; line-height: 1.75; white-space: pre-line; }
.af-methods { display: grid; gap: 0.75rem; margin: 0; padding: 0; list-style: none; }
.af-method { width: 100%; display: flex; align-items: center; gap: 1rem; padding: 1.125rem 1rem; border: 0; border-radius: 1rem; background: var(--bs-tertiary-bg); text-align: left; color: var(--bs-body-color); }
.af-method:hover { background: var(--bs-secondary-bg); }
.af-method b { display: block; font-size: 1rem; }
.af-method small { display: block; margin-top: 0.125rem; font-size: 0.8125rem; color: var(--bs-secondary-color); }
.af-method > i.ri-arrow-right-s-line { margin-left: auto; font-size: 1.25rem; color: var(--bs-secondary-color); }
.af-ico { flex: none; width: 2.75rem; height: 2.75rem; display: grid; place-items: center; border-radius: 50%; font-size: 1.375rem; }
.af-ico.is-success { background: var(--bs-success-bg-subtle); color: var(--bs-success-text-emphasis); }
.af-ico.is-primary { background: var(--bs-primary-bg-subtle); color: var(--bs-primary-text-emphasis); }
.af-ico.is-warning { background: var(--bs-warning-bg-subtle); color: var(--bs-warning-text-emphasis); }
.af-ico.is-info { background: var(--bs-info-bg-subtle); color: var(--bs-info-text-emphasis); }

.af-idcard { display: flex; align-items: center; justify-content: space-between; gap: 1rem; padding: 1.25rem; border-radius: var(--af-radius); background: var(--bs-tertiary-bg); }
.af-idcard strong { font-size: 1.25rem; color: var(--bs-primary); overflow-wrap: anywhere; }
.af-idcard > div { min-width: 0; }
.af-idcard small { color: var(--bs-secondary-color); }

.af-done { padding-top: 3.5rem; text-align: center; }
.af-done-ico { width: 4.5rem; height: 4.5rem; margin: 0 auto 1.5rem; display: grid; place-items: center; border-radius: 50%; background: var(--bs-primary); color: var(--bs-white); font-size: 2.25rem; }
.af-done-ico.is-info { background: var(--bs-info); }
.af-link { padding: 0; border: 0; background: none; font-weight: 600; color: var(--bs-body-color); text-decoration: underline; }
.af-foot-link { margin: 1rem 0 0; text-align: center; font-size: 0.875rem; color: var(--bs-secondary-color); }

@media (max-width: 575.98px) {
  .auth-flow { height: 100dvh; border-radius: 0; }
  .af-modal .modal-content { border-radius: 0; }
  .af-title { font-size: 1.5rem; }
}