body { padding: 0 clamp(16px, 5vw, 40px) 64px; }
  main { max-width: 640px; margin: 0 auto; }
  /* 히어로는 동작하는 타이머 자체다 (DESIGN 8장). 통계·그라데이션 없음 */
  .hero { margin: clamp(28px, 6vh, 64px) 0 8px; text-align: center; }
  .preview { font-size: clamp(80px, 18vw, 112px); color: var(--ink); }
  h1 { font-size: clamp(20px, 3vh, 26px); font-weight: 500; text-align: center; margin: 24px 0 6px; }
  .lead { text-align: center; color: var(--secondary); margin: 0 auto 36px; max-width: 34ch; }

  form { display: flex; flex-direction: column; gap: 18px; }
  .seg { display: flex; border: 1px solid var(--ink); border-radius: var(--radius-control); overflow: hidden; }
  .seg label { flex: 1; text-align: center; padding: 11px 4px; cursor: pointer; font-size: 15px; border-left: 1px solid var(--ink); }
  .seg label:first-child { border-left: 0; }
  .seg input { position: absolute; opacity: 0; pointer-events: none; }
  .seg input:checked + span { display: block; margin: -11px -4px; padding: 11px 4px; background: var(--accent); color: var(--on-accent); }
  .seg label:has(input:focus-visible) { outline: 2px solid var(--accent); outline-offset: -2px; }

  .field { display: flex; flex-direction: column; gap: 8px; }
  .field label { font-size: 14px; color: var(--secondary); }
  input[type=number], input[type=text], input[type=datetime-local] {
    font: inherit; font-size: 18px; padding: 10px 12px; border: 1px solid var(--border); border-radius: var(--radius-control);
    background: var(--surface); color: var(--ink); width: 100%;
  }
  .presets { display: flex; flex-wrap: wrap; gap: 8px; }
  .presets button { font-size: 14px; min-height: 36px; padding: 0 12px; }
  .presets button[aria-pressed=true] { background: var(--accent); border-color: var(--accent); color: var(--on-accent); }  /* 선택 표시는 한 가지 — 위 종류 선택과 같다 */
  .submit { margin-top: 6px; }
  .fine { text-align: center; color: var(--secondary); font-size: 14px; margin: 0; }
  .err { color: var(--danger); font-size: 14px; margin: 0; }
  .err:empty { display: none; }

  /* 생성 결과: 진행 시작이 우선, 기기 간 이동은 보조 동작 */
  #created { display: flex; flex-direction: column; gap: 14px; margin-top: 40px; }
  #created h2 { font-size: 22px; font-weight: 500; margin: 0; }
  .save { border: 1px solid var(--hairline); border-radius: var(--radius-surface); padding: 16px; display: flex; flex-direction: column; gap: 10px; }
  .save p { margin: 0; }
  code.link { display: block; font-family: var(--font-ui); font-size: 14px; word-break: break-all; color: var(--secondary); }
  .row { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; }
  .sub { color: var(--secondary); font-size: 14px; margin: 8px 0 0; }

  /* 진행자로 돌아가기 (DESIGN 7.6 / 8장) — 히어로와 생성 폼 아래, 얇은 선 밑에 작게 */
  .return { margin-top: 56px; padding-top: 28px; border-top: 1px solid var(--hairline); display: flex; flex-direction: column; gap: 10px; }
  .return h2 { font-size: 17px; font-weight: 500; margin: 0; }
  .rform { display: flex; flex-direction: column; gap: 10px; max-width: 420px; }
  input[type=password] { font: inherit; font-size: 18px; padding: 10px 12px; border: 1px solid var(--border); border-radius: var(--radius-control); background: var(--surface); color: var(--ink); width: 100%; }
  .msg { margin: 0; font-size: 14px; color: var(--secondary); min-height: 21px; }
  .msg.danger { color: var(--danger); }

/* Home hierarchy: create/open, saved rooms, optional settings, guide. */
main { overflow-wrap: anywhere; }
.lead { line-height: 1.7; margin-bottom: 28px; max-width: 40ch; }
h2 { font-size: 21px; font-weight: 500; margin: 0; }
#form { padding: 24px; background: var(--surface); border: 1px solid var(--hairline); border-radius: var(--radius-surface); }
#created { margin-top: 0; padding: 24px; background: var(--surface); border: 1px solid var(--hairline); border-radius: var(--radius-surface); gap: 20px; scroll-margin-top: 24px; }
#created .sub { margin: 0; line-height: 1.7; }
#created h3 { margin: 0; font-size: 16px; font-weight: 500; }
#created .share-view { display: grid; gap: 10px; padding-top: 20px; border-top: 1px solid var(--hairline); }
#created details { border-top: 1px solid var(--hairline); }
#created .save { border: 0; padding: 8px 0 0; gap: 14px; }
code.link { padding: 10px 12px; background: var(--bg); border-radius: var(--radius-control); line-height: 1.6; }
#created .link-detail { border: 0; }
#created .link-detail summary { font-size: 14px; }
summary { min-height: 44px; padding: 12px 0; cursor: pointer; }
.return { margin: 32px 0 0; padding-top: 24px; gap: 12px; }
.return h2 { font-size: 21px; }
#myTimers > .sub { margin: 0; }
#savedRooms { display: grid; }
.saved-room { display: grid; grid-template-columns: minmax(0,1fr) auto; gap: 14px 24px; padding: 20px 0; border-bottom: 1px solid var(--hairline); }
.saved-name { font-size: 18px; font-weight: 500; margin: 0 0 4px; }
.saved-kind { margin: 0; color: var(--secondary); font-size: 14px; }
.saved-meta { display: grid; grid-template-columns: auto minmax(0,1fr); gap: 4px 12px; margin: 12px 0 0; font-size: 14px; }
.saved-meta dt { color: var(--secondary); }
.saved-meta dd { margin: 0; font-variant-numeric: tabular-nums; }
.saved-actions { display: flex; flex-direction: column; gap: 8px; justify-content: center; align-items: stretch; }
.saved-actions .forget { border-color: transparent; font-size: 14px; color: var(--secondary); }
.storage-settings { margin-top: 4px; }
.settings-body { display: grid; gap: 16px; padding: 8px 0 16px; }
.settings-body p { margin: 0; line-height: 1.7; }
.check-label { display: flex; align-items: center; gap: 10px; min-height: 44px; }
.check-label input { width: 20px; height: 20px; accent-color: var(--accent); }
.retention-field { display: grid; grid-template-columns: 100px minmax(0,1fr); align-items: center; gap: 12px; }
select { font: inherit; width: 100%; min-height: 44px; padding: 8px 12px; border: 1px solid var(--border); border-radius: var(--radius-control); background: var(--surface); color: var(--ink); }
#clearSaved { justify-self: start; }
#storageNotice:empty { display: none; }
.presets button { min-height: 44px; flex: 1; }
footer { max-width: 640px; margin: 32px auto 0; font-size: 14px; }
footer nav { display: flex; flex-wrap: wrap; gap: 0 20px; }
footer a { display: inline-flex; align-items: center; min-height: 44px; }
@media(max-width: 520px) {
 #form, #created { padding: 20px 16px; }
 .saved-room { grid-template-columns: minmax(0,1fr); gap: 14px; }
 .saved-actions { flex-direction: row; flex-wrap: wrap; }
 .saved-actions > * { flex: 1; padding-inline: 10px; }
 .retention-field { grid-template-columns: 1fr; gap: 8px; }
 .seg label { font-size: 14px; }
}

.home-jump { text-align: center; margin: -16px 0 16px; }
.home-jump a { display: inline-flex; align-items: center; min-height: 44px; font-size: 14px; }
#myTimers { scroll-margin-top: 24px; }

.home-language{max-width:640px;margin:auto;display:flex;justify-content:flex-end}.home-language a{display:inline-flex;min-height:44px;align-items:center}.hero{margin-top:24px}