/* 색상 토큰. 연하늘 프레임, 진파랑 탭, 종이색 페이지, 분홍/빨강 포인트 */
:root{--frame:#a8d8ee;--frame-line:#6fb2d0;--outline:#55748a;--tab:#1d62ad;--blue:#2a82c9;
  --paper:#fffffd;--line:#c3dbe8;--pink:#e0508a;--red:#d8332b;--ink:#333;--mute:#888}
*{box-sizing:border-box}
[hidden]{display:none!important}
body{margin:0;min-height:100vh;padding:24px 12px;background:#e9f6fc;
  font:12px/1.65 Dotum,"Malgun Gothic","Apple SD Gothic Neo",sans-serif;color:var(--ink)}
button{font:inherit;cursor:pointer}
:focus-visible{outline:2px solid var(--pink);outline-offset:2px}

/* 바깥 연하늘 프레임 + 안쪽 점선 박음질. 오른쪽 padding은 탭이 걸칠 자리 */
.frame{position:relative;max-width:940px;margin:0 auto;padding:20px 76px 20px 20px;
  background:var(--frame);border:2px solid var(--frame-line);border-radius:22px}
.frame::before{content:"";position:absolute;inset:7px;border:2px dotted #fff;border-radius:16px;pointer-events:none}

/* 두 페이지 펼침면. 가운데 틈에 링 4개를 걸친다 */
.spread{position:relative;display:grid;grid-template-columns:210px 1fr;gap:26px}
.ring{position:absolute;left:202px;width:42px;height:12px;z-index:2;
  border:2px solid var(--outline);border-radius:7px;background:#fff}
.r1{top:80px}.r2{top:116px}.r3{bottom:116px}.r4{bottom:80px}
.page{background:var(--paper);border:2px solid var(--outline);border-radius:12px;padding:16px}

/* 오른쪽 세로 탭. 활성 탭은 종이색이라 페이지와 이어져 보인다 */
.tabs{position:absolute;left:100%;top:50px;bottom:18px;width:64px;margin-left:-2px;z-index:3;
  display:flex;flex-direction:column;gap:5px}
.tab-items{display:flex;flex-direction:column;gap:5px}
.account-nav{margin-top:auto;padding-top:12px;border-top:1px dashed #6e9fb9}
.account-button{width:64px;padding:8px 2px;border:1px solid #789fb9;border-radius:0 8px 8px 0;background:#d9edf6;color:#3d627e;font-size:11px;white-space:nowrap;box-shadow:inset 0 1px 0 #f5fcff}
.account-button:hover{background:#edf8fd;border-color:var(--tab);color:var(--tab)}
.tab{width:64px;padding:7px 0;border:2px solid #12406f;border-radius:0 10px 10px 0;
  background:var(--tab);color:#fff;font-weight:bold}
.tab[aria-selected="true"]{background:var(--paper);color:var(--tab);border-left-color:var(--paper)}

/* 왼쪽 페이지: 프로필 */
.left{display:flex;flex-direction:column}
.counter{margin:0 0 10px;font-size:10px;color:#555}
.counter b{color:var(--red)}
.photo{display:grid;place-items:center;aspect-ratio:1;border:1px solid #9bb;color:var(--mute);
  background:#eef8fc;box-shadow:inset 0 0 0 4px #fff,inset 0 0 0 5px var(--line)}
.mood{margin:10px 0;padding:4px 6px;border:1px solid var(--outline);border-radius:4px;text-align:center;font-size:11px}
.mood b{color:var(--pink)}
.intro{margin:6px 0;text-align:center;color:var(--blue);font-weight:bold}
.history{margin-top:auto;padding-top:8px;border-top:1px dotted var(--line)}
.history small{display:block;font:bold 10px "Courier New",monospace;color:var(--mute)}

/* 오른쪽 페이지: 제목은 고정, 본문만 안에서 스크롤 */
.right{display:flex;flex-direction:column;height:560px}
.head{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-bottom:12px}
.head h1{min-width:0}
.title-part{display:inline-block;white-space:nowrap}
.logout-button{display:inline-flex;align-items:center;justify-content:center;gap:4px;flex-shrink:0;padding:6px 10px;border:1px solid #c0dbe8;border-radius:999px;background:#f2f9fc;color:#54778d;font-size:11px;line-height:1.4;box-shadow:0 1px 2px rgb(67 105 129 / .06);transition:background .15s,border-color .15s,color .15s}
.logout-button svg{width:15px;height:15px}
.logout-button:hover{background:#e2f1fa;border-color:#87b7d4;color:var(--tab)}
.logout-button:active{background:#d5eaf6}
h1{margin:0;font:26px Jua,Dotum,sans-serif;color:var(--blue)}
.scroll{flex:1;overflow-y:auto;padding-right:10px;scrollbar-width:thin;scrollbar-color:#8cc0e8 #e6f1f8}
.scroll::-webkit-scrollbar{width:12px}
.scroll::-webkit-scrollbar-track{background:#e6f1f8;border-left:1px solid var(--line)}
.scroll::-webkit-scrollbar-thumb{background:#8cc0e8;border:1px solid #4f86b5;border-radius:2px}

/* 섹션 제목: 고정폭 글꼴 + 밑줄 + 작은 부제 */
.sec{margin:16px 0 8px;padding-bottom:3px;border-bottom:1px solid #9bb;font:bold 12px "Courier New",monospace;color:var(--blue)}
.view > .sec:first-child{margin-top:0}
.sec small{margin-left:6px;font-weight:normal;font-size:9px;color:var(--mute)}

/* 홈: 업데이트 소식(뱃지) */
.news{display:flex;flex-wrap:wrap;gap:14px}
.news ul{flex:1 1 220px;margin:0;padding:0;list-style:none}
.news li{padding:2px 0}
.badge{display:inline-block;margin-right:6px;padding:0 5px;border-radius:2px;color:#fff;font-size:10px}
.b-red{background:#b5523b}
.b-green{background:#3b9a8c}
.room{display:grid;place-items:center;height:200px;border:1px solid var(--line);color:var(--mute);
  background:repeating-linear-gradient(45deg,#fff7fb 0 12px,#fdeef5 12px 24px)}

/* 방명록: 작성 폼 + No.번호 헤더가 붙은 글 */
.write{display:grid;gap:6px;margin-bottom:14px}
.write input,.write textarea{width:100%;padding:6px 8px;border:1px solid var(--line);font:inherit}
.write button{justify-self:end;padding:4px 14px;border:1px solid var(--tab);border-radius:4px;background:var(--tab);color:#fff}
.entry{margin-bottom:10px}
.entry header{display:flex;justify-content:space-between;padding:3px 8px;border:1px solid var(--line);
  background:#eef6fb;color:var(--mute);font-size:11px}
.entry strong{color:var(--blue)}
.entry p{margin:0;padding:8px;border:1px solid var(--line);border-top:0;white-space:pre-wrap;overflow-wrap:anywhere}
.entry header{gap:8px;flex-wrap:wrap}
.entry strong{overflow-wrap:anywhere}
.entry button,.pagination button,.admin button,.refresh{padding:3px 8px;border:1px solid var(--line);border-radius:4px;background:#eef6fb;color:var(--tab)}
button:disabled{opacity:.5;cursor:default}
.status{min-height:1.65em;margin:6px 0;color:#555}
.status[data-error="true"]{color:#b52c30}
.pagination{display:flex;justify-content:center;align-items:center;gap:12px;margin:12px 0}
.admin{width:min(380px,calc(100% - 32px));max-height:85vh;overflow:auto;padding:20px;border:2px solid var(--outline);border-radius:12px;background:var(--paper);color:var(--ink);font:inherit}
.admin::backdrop{background:rgb(30 50 70 / .4)}
.admin h2{margin:0;font-size:17px;color:var(--blue)}
.admin .dialog-head{display:flex;justify-content:space-between;align-items:center;gap:12px}
.admin label{display:grid;gap:3px;width:100%}
.admin p{overflow-wrap:anywhere}
.admin form{display:flex;flex-wrap:wrap;gap:6px;margin-top:8px}
.admin input{min-width:0;flex:1;padding:5px;border:1px solid var(--line);font:inherit}
.write label{display:grid;gap:3px}
.guestbook-tools{display:flex;justify-content:space-between;align-items:center}
@media(max-width:400px){.head{gap:8px}.head h1{font-size:22px}.logout-button{padding:6px 8px;font-size:10px}}

/* 좁은 화면: 탭을 위로 올려 가로로, 두 페이지는 세로로 쌓고 링은 숨김 */
@media (max-width:720px){
  .frame{padding:16px}
  .spread{grid-template-columns:1fr;gap:14px}
  .ring{display:none}
  .tabs{position:static;width:auto;margin:0;flex-direction:column;gap:0;order:-1}
  .tab-items{flex-direction:row;gap:5px}
  .account-nav{display:flex;justify-content:flex-end;margin-top:9px;padding-top:8px;border-top:1px dashed #82b6cc}
  .account-button{width:auto;padding:5px 12px;border-radius:6px;font-size:11px}
  .tab,.tab[aria-selected="true"]{flex:1;width:auto;border-left-color:#12406f;border-radius:8px}
  .right{height:auto}
  .scroll{overflow:visible;padding-right:0}
  .photo{width:100%;max-width:160px;margin:0 auto}
}

.login-shell{max-width:380px;margin:10vh auto;padding:26px;background:var(--paper);border:2px solid var(--outline);border-radius:12px}
.login-shell h1{font-size:26px}
.login-shell form,.login-shell label{display:grid;gap:8px}
.login-shell form{margin-top:16px;gap:12px}
.login-shell input{width:100%;min-width:0;padding:9px;border:1px solid var(--line);font:inherit}
.login-shell button{padding:8px 12px;border:1px solid var(--tab);border-radius:4px;background:var(--tab);color:#fff}

#mfa-qr{display:block;max-width:100%;height:auto;margin:12px auto}#mfa-secret{overflow-wrap:anywhere}#recovery-codes{padding:12px;background:#edf6fb;white-space:pre-wrap;overflow-wrap:anywhere}.login-shell h2{font-size:16px;color:var(--tab)}.login-shell section>button{margin:8px 4px 0 0}