/* 위브룸 공통 스타일. 색·크기는 tokens.css 의미 토큰만 쓴다. */
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
/* 한국어: 어절 단위로 줄을 바꾸고, 긴 주소·영문만 필요할 때 끊는다 */
body{margin:0;background:var(--wr-canvas);color:var(--wr-text);font-family:var(--wr-font);font-size:var(--wr-fs-16);line-height:var(--wr-lh-body);word-break:keep-all;overflow-wrap:break-word}
a{color:var(--wr-primary)}
h1,h2,h3,h4{line-height:var(--wr-lh-tight);margin:0}
h1,h2,h3,.stage-title,.quiz-q,.stage-quiz-q{text-wrap:balance}
h1{font-size:var(--wr-fs-24)}h2{font-size:var(--wr-fs-20)}h3{font-size:var(--wr-fs-17)}
p{margin:0}
:focus-visible{outline:2px solid var(--wr-focus);outline-offset:2px}
[tabindex="-1"]:focus{outline:none}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}
.skip{position:absolute;left:-9999px}.skip:focus{left:16px;top:16px;background:#fff;padding:8px 12px;z-index:var(--wr-z-toast)}
.muted{color:var(--wr-text-muted);font-size:var(--wr-fs-14)}
.num{font-variant-numeric:tabular-nums}
.hidden{display:none!important}
.stack{display:flex;flex-direction:column;gap:var(--wr-sp-3)}
ul.stack,ol.stack{list-style:none;margin:0;padding:0}
.stack>.badge,.stack-lg>.badge{align-self:flex-start}
.stack-lg{display:flex;flex-direction:column;gap:var(--wr-sp-6)}
.row{display:flex;gap:var(--wr-sp-2);align-items:center;flex-wrap:wrap}
.between{justify-content:space-between}
.grow{flex:1;min-width:0}

/* 버튼 */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:var(--wr-touch);min-width:var(--wr-touch);padding:0 var(--wr-sp-4);border-radius:var(--wr-radius-sm);font:600 var(--wr-fs-16)/1.2 var(--wr-font);cursor:pointer;border:1px solid transparent;text-decoration:none;transition:background-color var(--wr-dur-fast) var(--wr-ease-out),transform var(--wr-dur-press) var(--wr-ease-out);touch-action:manipulation;white-space:nowrap;--spin:var(--wr-primary)}
.btn-primary{background:var(--wr-primary);color:var(--wr-text-on-primary);--spin:#fff}
.btn-secondary{background:var(--wr-surface);color:var(--wr-primary);border-color:var(--wr-border-input)}
.btn-quiet{background:transparent;color:var(--wr-primary)}
/* 마우스 올림 색은 마우스가 있는 기기에서만(태블릿에서 눌린 색이 남지 않게) */
@media (hover:hover) and (pointer:fine){
  .btn-primary:hover{background:var(--wr-primary-strong)}
  .btn-secondary:hover,.btn-quiet:hover{background:var(--wr-surface-hover)}
  .tree a:hover,.choice-grid button.card:hover{background:var(--wr-surface-hover)}
}
/* 누름 반응: 작게 눌리는 느낌만(90ms) */
.btn:active:not(:disabled),.chip:active,.quiz-opt:active:not(:disabled),.team-grid button:active,.work:active,.choice-grid button.card:active,.scale-btn:active,.quiz-correct:active{transform:scale(var(--wr-press-scale))}
.chip,.quiz-opt,.team-grid button,.work,.choice-grid button.card,.scale-btn,.quiz-correct{transition:transform var(--wr-dur-press) var(--wr-ease-out),background-color var(--wr-dur-fast) var(--wr-ease-out)}
/* 처리 중: 버튼 폭은 그대로 두고 글자 자리에 작은 진행 표시 */
.btn.is-busy{position:relative;color:transparent!important}
.btn.is-busy::after{content:"";position:absolute;left:50%;top:50%;width:16px;height:16px;margin:-8px 0 0 -8px;border:2px solid var(--spin);border-right-color:transparent;border-radius:50%;animation:wr-spin .8s linear infinite}
@keyframes wr-spin{to{transform:rotate(360deg)}}
.btn-danger{background:var(--wr-danger);color:#fff}
.btn-danger-quiet{background:transparent;color:var(--wr-danger)}
.btn:disabled,.btn[aria-disabled="true"]{opacity:.45;cursor:not-allowed}
.btn-lg{min-height:var(--wr-touch-lg);width:100%;font-size:var(--wr-fs-17)}
.btn-sm{padding:0 var(--wr-sp-3);font-size:var(--wr-fs-14)}

/* 입력 */
label,.label{display:block;font-weight:600;font-size:var(--wr-fs-14);margin-bottom:6px}
.input,select.input,textarea.input{width:100%;min-height:var(--wr-touch);border:1px solid var(--wr-border-input);border-radius:var(--wr-radius-sm);padding:10px 12px;font:400 var(--wr-fs-16) var(--wr-font);color:var(--wr-text);background:#fff}
textarea.input{min-height:96px;resize:vertical;line-height:1.5}
.help{font-size:var(--wr-fs-14);color:var(--wr-text-muted);margin-top:4px}
.error-text{font-size:var(--wr-fs-14);color:var(--wr-danger);margin-top:4px}
.code-input{font-size:28px;letter-spacing:.2em;text-align:center;font-variant-numeric:tabular-nums}
.check{display:flex;gap:8px;align-items:center;min-height:var(--wr-touch);font-weight:400;font-size:var(--wr-fs-16)}
.check input{width:20px;height:20px}

/* 배지·카드·알림 */
.badge{display:inline-flex;align-items:center;gap:6px;padding:2px 10px;border-radius:var(--wr-radius-pill);font-size:var(--wr-fs-14);font-weight:600;white-space:nowrap}
.badge-draft{background:var(--wr-surface-soft);color:var(--wr-state-draft);border:1px solid var(--wr-divider)}
.badge-open{background:var(--wr-success-bg);color:var(--wr-success)}
.badge-closed{background:var(--wr-warning-bg);color:var(--wr-warning)}
.badge-info{background:var(--wr-info-bg);color:var(--wr-info)}
.card{background:var(--wr-surface);border:1px solid var(--wr-divider);border-radius:var(--wr-radius-md);padding:var(--wr-sp-4)}
.card-live{border-color:var(--wr-success)}
.notice{background:var(--wr-info-bg);color:var(--wr-info);border-radius:var(--wr-radius-sm);padding:10px 12px;font-size:var(--wr-fs-14)}
.notice-warn{background:var(--wr-warning-bg);color:var(--wr-warning)}
.notice-error{background:var(--wr-danger-bg);color:var(--wr-danger)}
/* 토스트: 하단 고정 버튼 영역 위. 입력 중이면 화면 위쪽 */
.toast-area{position:fixed;left:50%;bottom:calc(24px + var(--wr-toast-lift,0px));transform:translateX(-50%);z-index:var(--wr-z-toast);display:flex;flex-direction:column;gap:8px;width:min(92vw,420px);pointer-events:none}
.toast-area.is-top{top:var(--wr-toast-top,16px);bottom:auto}
.toast{display:flex;align-items:center;gap:12px;background:var(--wr-text);color:#fff;border-radius:var(--wr-radius-md);padding:12px 16px;font-size:var(--wr-fs-14);pointer-events:auto;animation:wr-rise var(--wr-dur-base) var(--wr-ease-out)}
.toast-area.is-top .toast{animation-name:wr-drop}
.toast-error{background:var(--wr-danger)}
.toast .toast-close{margin-left:auto;min-height:36px;min-width:44px;border:0;border-radius:var(--wr-radius-sm);background:rgba(255,255,255,.16);color:#fff;font:600 var(--wr-fs-14) var(--wr-font);cursor:pointer}
@keyframes wr-rise{from{opacity:0;transform:translateY(var(--wr-shift))}}
@keyframes wr-drop{from{opacity:0;transform:translateY(calc(var(--wr-shift) * -1))}}
@keyframes wr-fade{from{opacity:0}}
/* 움직임 줄이기: 위치 이동 없이 투명도만(토큰도 tokens.css에서 0·120ms로 바뀐다) */
@media (prefers-reduced-motion: reduce){
  .toast,.toast-area.is-top .toast,dialog[open]{animation-name:wr-fade}
  .btn:active:not(:disabled),.chip:active,.quiz-opt:active:not(:disabled),.team-grid button:active,.work:active,.choice-grid button.card:active,.scale-btn:active,.quiz-correct:active{transform:none}
  .btn.is-busy::after{animation-duration:1.6s}
}
/* 바뀐 부분 강조 막(motion.js flash) */
.has-flash{position:relative}
.flash-mark{position:absolute;inset:0;border-radius:inherit;background:rgba(36,76,124,.14);pointer-events:none}
.empty{text-align:center;padding:var(--wr-sp-8) var(--wr-sp-4);color:var(--wr-text-muted)}

table{width:100%;border-collapse:collapse;font-size:var(--wr-fs-14)}
th,td{text-align:left;padding:10px 8px;border-bottom:1px solid var(--wr-divider);vertical-align:middle}
th{font-weight:600;color:var(--wr-text-muted)}

/* 대화상자 */
dialog{border:0;border-radius:var(--wr-radius-lg);box-shadow:var(--wr-shadow-overlay);padding:var(--wr-sp-6);width:min(92vw,460px);color:var(--wr-text)}
dialog::backdrop{background:rgba(15,28,46,.5)}
dialog[open]{animation:wr-rise var(--wr-dur-base) var(--wr-ease-out)}
dialog[open]::backdrop{animation:wr-fade var(--wr-dur-base) var(--wr-ease-out)}
dialog h2{margin-bottom:var(--wr-sp-4)}
.dialog-actions{display:flex;justify-content:flex-end;gap:var(--wr-sp-2);margin-top:var(--wr-sp-4)}

/* 강사 관리 화면 */
.topbar{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:0 var(--wr-sp-6);height:56px;background:var(--wr-surface);border-bottom:1px solid var(--wr-divider);position:sticky;top:0;z-index:var(--wr-z-sticky)}
.brand{font-weight:700;font-size:var(--wr-fs-17);color:var(--wr-text);text-decoration:none}
.layout{display:grid;grid-template-columns:280px 1fr;min-height:calc(100vh - 56px)}
.sidebar{background:var(--wr-surface-soft);border-right:1px solid var(--wr-divider);padding:var(--wr-sp-4);display:flex;flex-direction:column;gap:var(--wr-sp-3)}
.content{padding:var(--wr-sp-6);max-width:var(--wr-container);width:100%;display:flex;flex-direction:column;gap:var(--wr-sp-5)}
.crumb{font-size:var(--wr-fs-14);color:var(--wr-text-muted)}
.crumb a{color:var(--wr-text-muted)}
.tree{list-style:none;margin:0;padding:0;font-size:var(--wr-fs-14)}
.tree ul{list-style:none;margin:0;padding-left:16px}
.tree a{display:flex;align-items:center;padding:0 8px;border-radius:var(--wr-radius-sm);color:var(--wr-text);text-decoration:none;overflow-wrap:anywhere}
.tree a[aria-current="page"]{background:var(--wr-surface-selected);color:var(--wr-primary);font-weight:600}
.tree .plan-link{color:var(--wr-text-muted)}
.console-band{display:flex;flex-wrap:wrap;align-items:center;gap:var(--wr-sp-4);background:var(--wr-surface);border:1px solid var(--wr-divider);border-radius:var(--wr-radius-md);padding:var(--wr-sp-4)}
.console-band .code{font-size:var(--wr-fs-40);font-weight:700;letter-spacing:.06em}
.qr-small{width:120px;height:120px;border:1px solid var(--wr-divider);border-radius:var(--wr-radius-sm)}
.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:var(--wr-sp-3)}
.stat b{display:block;font-size:var(--wr-fs-24)}

/* 교육생 화면 */
.phone-page{max-width:480px;margin:0 auto;min-height:100dvh;background:var(--wr-bg);display:flex;flex-direction:column}
.phone-bar{display:flex;align-items:center;justify-content:space-between;gap:8px;padding:10px 16px;border-bottom:1px solid var(--wr-divider);position:sticky;top:0;background:var(--wr-bg);z-index:var(--wr-z-sticky);min-height:56px}
/* 교육생 상단 바는 스크롤과 함께 올라가고 타이머 줄만 고정한다(작은 화면에서 본문을 덜 가리고 서로 겹치지 않게) */
.phone-head .phone-bar{position:static}
/* 교육생 화면의 펼침도 손가락 크기(44px) */
.phone-page details summary{min-height:var(--wr-touch);padding:10px 0}
.phone-bar b{font-size:var(--wr-fs-16)}
.phone-title{font-size:var(--wr-fs-16)}
.phone-body{padding:var(--wr-sp-4);display:flex;flex-direction:column;gap:var(--wr-sp-4);flex:1}
.phone-foot{padding:12px 16px calc(12px + env(safe-area-inset-bottom));border-top:1px solid var(--wr-divider);background:var(--wr-bg);position:sticky;bottom:0}
.phone-foot textarea.input{min-height:64px}
.team-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}
.team-grid button{min-height:var(--wr-touch);border:1px solid var(--wr-border-input);border-radius:var(--wr-radius-sm);background:#fff;font:600 var(--wr-fs-16) var(--wr-font);color:var(--wr-text);cursor:pointer}
.team-grid button[aria-pressed="true"]{background:var(--wr-primary);color:#fff;border-color:var(--wr-primary)}
.conn{background:var(--wr-warning-bg);color:var(--wr-warning);padding:8px 16px;font-size:var(--wr-fs-14);text-align:center}
.center-page{min-height:100dvh;display:grid;place-items:center;padding:var(--wr-sp-4)}
.panel{background:var(--wr-surface);border:1px solid var(--wr-divider);border-radius:var(--wr-radius-lg);padding:var(--wr-sp-6);width:min(100%,420px);display:flex;flex-direction:column;gap:var(--wr-sp-4)}

/* 진행 화면 */
/* 진행 화면은 화면 높이에 고정하고, 본문이 넘치면 stage.js가 줄이기 → 나눠 보기 → 덜어 내기 순서로 맞춘다 */
.stage{height:100dvh;overflow:hidden;background:var(--wr-stage-bg);color:var(--wr-stage-text);padding:48px 48px 20px;display:flex;flex-direction:column;gap:16px}
.stage-body{flex:1;min-height:0;display:flex;flex-direction:column;gap:32px;overflow:hidden;position:relative}
.stage-body.is-compact{zoom:.85}
.stage-body.is-cut::after{content:"";position:absolute;left:0;right:0;bottom:0;height:72px;background:linear-gradient(transparent,var(--wr-stage-bg));pointer-events:none}
.stage.has-timer .stage-body>:first-child{padding-right:420px}
.stage-more{color:var(--wr-stage-accent);font-size:22px;list-style:none}
.stage-page{color:var(--wr-stage-accent);font-size:22px}
.stage-title{font-size:32px;font-weight:700}
.stage-main{display:flex;gap:56px;align-items:center;flex-wrap:wrap;flex:1}
.stage-qr{width:min(36vw,340px);aspect-ratio:1;background:#fff;border-radius:16px;padding:12px}
.stage-qr img{width:100%;height:100%;display:block}
.stage-accent{color:var(--wr-stage-accent);font-size:28px}
.stage-code{font-size:clamp(64px,10vw,140px);font-weight:700;letter-spacing:.06em;font-variant-numeric:tabular-nums;line-height:1}
.stage-count{font-size:40px;font-weight:700;font-variant-numeric:tabular-nums}

.dialog-wide{width:min(94vw,720px);max-height:90dvh}
.choice-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:var(--wr-sp-3)}
.choice-grid button.card{text-align:left;cursor:pointer;font:inherit;color:inherit}
.choice-grid [aria-disabled="true"]{opacity:.55}
.activity-rail{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:var(--wr-sp-3)}
.activity-card.is-focus{outline:2px solid var(--wr-primary);background:var(--wr-surface-selected)}
.thumb-xs{width:72px;height:54px;object-fit:cover;border-radius:4px;border:1px solid var(--wr-divider);display:block}
.clamp{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;white-space:pre-wrap}
.reasons{margin:6px 0 0;padding-left:18px}
.reasons li{margin:2px 0}
details summary{cursor:pointer;color:var(--wr-primary);min-height:32px}

/* 교육생 활동 화면 */
.share-body{white-space:pre-wrap;background:var(--wr-surface-soft);border:1px solid var(--wr-divider);border-radius:var(--wr-radius-sm);padding:10px 12px;font-size:var(--wr-fs-16);max-height:240px;overflow:auto;overflow-wrap:anywhere}
.work{display:block;width:100%;text-align:left;padding:0;font:inherit;color:inherit;background:var(--wr-surface);border:1px solid var(--wr-divider);border-radius:var(--wr-radius-md);overflow:hidden;cursor:pointer}
.work[aria-pressed="true"]{outline:3px solid var(--wr-primary)}
.work[aria-disabled="true"]{cursor:not-allowed;opacity:.7}
.work img,.work-img{display:block;width:100%;aspect-ratio:4/3;object-fit:contain;background:var(--wr-slate-100)}
.work .meta{padding:10px 12px}
.work .meta b{display:block}
.preview-img{width:100%;max-height:360px;object-fit:contain;background:var(--wr-slate-100);border-radius:var(--wr-radius-sm);border:1px solid var(--wr-divider)}
.file-drop{position:relative;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:6px;min-height:120px;border:2px dashed var(--wr-border-input);border-radius:var(--wr-radius-md);background:var(--wr-surface-soft);cursor:pointer;text-align:center;padding:12px}
.file-drop input{position:absolute;opacity:0;width:1px;height:1px}
.rank{font-size:var(--wr-fs-20);font-weight:700;font-variant-numeric:tabular-nums}
.prompt-text{white-space:pre-wrap;font-size:var(--wr-fs-14);background:var(--wr-surface-soft);padding:8px 10px;border-radius:var(--wr-radius-sm);overflow-wrap:anywhere}

/* 진행 화면 활동 */
.stage-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:16px}
.stage-team{border:1px solid rgba(255,255,255,.25);border-radius:12px;padding:18px;text-align:center;font-size:24px;font-weight:700}
.stage-team.done{background:rgba(159,195,238,.18);border-color:var(--wr-stage-accent)}
.stage-thumbs{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px}
.stage-thumbs figure{margin:0;background:rgba(255,255,255,.06);border-radius:12px;overflow:hidden}
.stage-thumbs img{width:100%;aspect-ratio:4/3;object-fit:contain;background:#fff;display:block}
.stage-thumbs figcaption{padding:10px 12px;font-size:20px}
.stage-progress{height:14px;background:rgba(255,255,255,.15);border-radius:999px;overflow:hidden}
.stage-progress i{display:block;width:100%;height:100%;background:var(--wr-stage-accent);transform-origin:left;transform:scaleX(0);transition:transform 240ms var(--wr-ease-standard)}
.stage-spot{display:grid;grid-template-columns:minmax(0,3fr) minmax(0,2fr);gap:32px;align-items:start}
.stage-spot img{width:100%;max-height:62vh;object-fit:contain;background:#fff;border-radius:12px}
.stage-reason{font-size:24px;line-height:1.5;margin:0 0 12px}
.stage-rank{display:flex;gap:24px;flex-wrap:wrap;font-size:24px}
/* 입장 안내는 본문 아래 자기 자리에(본문과 겹치지 않게) */
.stage-corner{flex:none;align-self:flex-end;font-size:22px;color:var(--wr-stage-accent);font-variant-numeric:tabular-nums}
.stage-items{list-style:none;margin:0;padding:0;display:grid;gap:12px;font-size:28px}
/* 긴 메모는 최근 내용(아래쪽)이 보이게 아래에 맞추고, 잘린 위쪽은 안내를 띄운다 */
.stage-memo{flex:1;min-height:0;display:flex;flex-direction:column;justify-content:flex-end;white-space:pre-wrap;font-size:26px;line-height:1.55;background:rgba(255,255,255,.06);border-radius:12px;padding:20px 24px;overflow:hidden;overflow-wrap:anywhere;position:relative}
.stage-memo.is-cut::before{content:"앞부분은 각자 위브룸 화면에서 볼 수 있습니다";position:absolute;top:0;left:0;right:0;padding:10px 24px 28px;font-size:20px;color:var(--wr-stage-accent);background:linear-gradient(var(--wr-stage-bg) 55%,transparent);z-index:1}
textarea.input.memo-input{min-height:240px;font-size:var(--wr-fs-16);line-height:1.6}
.memo-card{border-color:var(--wr-primary)}
.memo-body{max-height:none}
.memo-block{display:flex;flex-direction:column;gap:8px;align-items:flex-start}
.memo-block .share-body{width:100%}


@media (max-width:900px){
  .layout{grid-template-columns:1fr}
  .stage-spot{grid-template-columns:1fr}
  .sidebar{border-right:0;border-bottom:1px solid var(--wr-divider)}
  .content{padding:var(--wr-sp-4)}
  .topbar{padding:0 var(--wr-sp-4)}
  .stage{padding:24px}
}

/* 화면 아래 링크, 개인정보처리방침 문서 */
.page-foot{text-align:center;margin:var(--wr-sp-4) 0 0;font-size:var(--wr-fs-14)}
.page-foot a{color:var(--wr-text-muted)}
.doc-page{max-width:820px;margin:0 auto;padding:var(--wr-sp-6) var(--wr-sp-4);line-height:var(--wr-lh-body)}
.doc-page h1{margin:var(--wr-sp-4) 0}
.doc-page h2{margin:var(--wr-sp-6) 0 var(--wr-sp-2);font-size:var(--wr-fs-20)}
.doc-page p,.doc-page ul{margin:0 0 var(--wr-sp-3)}
.doc-page .table-wrap{overflow-x:auto;margin-bottom:var(--wr-sp-3)}
.doc-page th,.doc-page td{vertical-align:top}
.doc-page th:first-child,.doc-page td:first-child{white-space:nowrap}
.doc-page mark{background:var(--wr-warning-bg);color:var(--wr-warning)}

/* 타이머: 교육생 머리줄 아래 칩, 강사 콘솔 큰 표시, 진행 화면 오른쪽 위 */
.timer-chip{display:flex;justify-content:space-between;align-items:center;gap:var(--wr-sp-2);padding:var(--wr-sp-2) var(--wr-sp-4);background:var(--wr-info-bg);color:var(--wr-info);font-weight:600;position:sticky;top:0;z-index:var(--wr-z-sticky)}
.timer-chip .timer-clock{font-size:var(--wr-fs-20)}
.timer-chip.is-warn{background:var(--wr-warning-bg);color:var(--wr-warning)}
.timer-chip.is-done{background:var(--wr-danger-bg);color:var(--wr-danger)}
.timer-big{display:flex;align-items:baseline;gap:var(--wr-sp-4);font-weight:700;color:var(--wr-primary)}
.timer-big .timer-clock{font-size:var(--wr-fs-40)}
.timer-big.is-warn{color:var(--wr-warning)}
.timer-big.is-done{color:var(--wr-danger)}
.timer-setup{align-items:flex-end}
.timer-setup input[type=number]{width:96px}
.stage-timer{position:fixed;top:24px;right:32px;display:flex;flex-direction:column;align-items:flex-end;background:rgba(255,255,255,.08);border-radius:16px;padding:12px 20px;color:var(--wr-stage-text);z-index:5}
.stage-timer .timer-label{font-size:22px;color:var(--wr-stage-accent)}
.stage-timer .timer-clock{font-size:64px;font-weight:700;line-height:1.1}
/* 활동 화면에서는 한 줄로 작게 */
.stage-timer.is-compact{flex-direction:row;align-items:baseline;gap:14px;padding:8px 18px;top:20px}
.stage-timer.is-compact .timer-clock{font-size:44px}
.stage-timer.is-compact .timer-label,.stage-timer.is-compact .timer-note{font-size:20px}
.stage-timer.is-warn .timer-clock{color:#ffd28a}
.stage-timer.is-done .timer-clock{color:#ffb4ab}
/* 1분 남음·시간 종료: 색만이 아니라 글자로도 알린다 */
.timer-note{display:none;font-weight:700}
.is-warn .timer-note,.is-done .timer-note{display:inline}
.stage-timer .timer-note{font-size:26px;color:#ffd28a}
.stage-timer.is-done .timer-note{color:#ffb4ab}
.stage-timer.is-warn,.stage-timer.is-done{background:rgba(255,210,138,.14)}
/* 설문: 질문 입력과 결과 막대 */
.survey-q{border:1px solid var(--wr-divider);margin:0}
.survey-q legend{font-weight:700;padding:0 var(--wr-sp-1)}
.choice{display:flex;align-items:center;gap:var(--wr-sp-3);min-height:var(--wr-touch);padding:var(--wr-sp-2) var(--wr-sp-3);border:1px solid var(--wr-border-input);border-radius:var(--wr-radius-md);cursor:pointer}
.choice input{width:20px;height:20px;flex:none}
.choice:has(input:checked){background:var(--wr-surface-selected);border-color:var(--wr-primary)}
.bar-row{display:grid;grid-template-columns:minmax(80px,1fr) 2fr auto;gap:var(--wr-sp-3);align-items:center}
.bar{height:12px;background:var(--wr-surface-soft);border-radius:var(--wr-radius-pill);overflow:hidden;border:1px solid var(--wr-divider)}
.bar i{display:block;height:100%;background:var(--wr-primary)}
.bar-count{font-size:var(--wr-fs-14);color:var(--wr-text-muted);white-space:nowrap}
.stage-survey{display:grid;grid-template-columns:repeat(auto-fit,minmax(460px,1fr));gap:20px 40px;font-size:22px;align-items:start}
.stage-survey-one{grid-template-columns:1fr;font-size:26px}

/* 차트와 결과 */
.survey-chart{min-height:40px}
.chart{width:100%}
.chart-svg{display:block;max-width:100%;height:auto}
.chart-bar{gap:var(--wr-sp-2);flex-wrap:wrap}
.chart-tools{display:flex;flex-wrap:wrap;gap:6px}
.chip{min-height:32px;padding:4px 12px;border-radius:var(--wr-radius-pill);border:1px solid var(--wr-border-input);background:var(--wr-surface);color:var(--wr-text);font:inherit;font-size:var(--wr-fs-14);cursor:pointer}
.chip[aria-pressed=true]{background:var(--wr-primary);border-color:var(--wr-primary);color:var(--wr-text-on-primary)}
.chip:focus-visible{outline:3px solid var(--wr-focus);outline-offset:2px}
.chart-empty{padding:var(--wr-sp-4);text-align:center;border:1px dashed var(--wr-divider);border-radius:var(--wr-radius-md)}
.result-table td,.result-table th{padding:6px 10px}
.table-wrap{overflow-x:auto}
.stage .chip{display:none}
.stage-survey .muted,.stage-survey .help,.stage-survey summary{color:var(--wr-stage-accent)}

/* 교육생 설문 입력: 선형 배율, 그리드, 기타 */
.scale-row{display:flex;gap:6px;flex-wrap:wrap}
.scale-btn{position:relative;flex:1 0 40px;min-height:var(--wr-touch);display:grid;place-items:center;border:1px solid var(--wr-border-input);border-radius:var(--wr-radius-md);font-weight:700;cursor:pointer;background:var(--wr-surface)}
.scale-btn input{position:absolute;opacity:0;inset:0;cursor:pointer}
.scale-btn:has(input:checked){background:var(--wr-primary);border-color:var(--wr-primary);color:var(--wr-text-on-primary)}
.scale-btn:has(input:focus-visible){outline:3px solid var(--wr-focus);outline-offset:2px}
.grid-row{display:grid;gap:6px;padding:var(--wr-sp-2) 0;border-top:1px solid var(--wr-divider)}
.grid-chips{display:flex;flex-wrap:wrap;gap:6px}
.grid-chip{position:relative;min-height:40px;padding:8px 14px;border:1px solid var(--wr-border-input);border-radius:var(--wr-radius-pill);cursor:pointer;display:inline-flex;align-items:center}
.grid-chip input{position:absolute;opacity:0;inset:0;cursor:pointer}
.grid-chip:has(input:checked){background:var(--wr-primary);border-color:var(--wr-primary);color:var(--wr-text-on-primary)}
.grid-chip:has(input:focus-visible){outline:3px solid var(--wr-focus);outline-offset:2px}
.other-input{margin-left:32px;width:calc(100% - 32px)}
table.grid-q th,table.grid-q td{text-align:center;padding:4px 8px}

/* 설문 편집기(Google 폼 방식) */
dialog.dialog-xl{width:min(920px,96vw)}
.sv-list{gap:var(--wr-sp-3)}
.sv-card{text-align:left;width:100%}
.sv-collapsed{display:grid;gap:4px;cursor:pointer;border-left:4px solid transparent}
.sv-collapsed:hover{background:var(--wr-surface-hover)}
.sv-active{border-left:4px solid var(--wr-primary);box-shadow:var(--wr-shadow-overlay)}
.sv-head{display:flex;gap:var(--wr-sp-2);align-items:center;flex-wrap:wrap}
.sv-num{width:28px;height:28px;border-radius:50%;display:grid;place-items:center;background:var(--wr-surface-selected);color:var(--wr-primary);font-weight:700;flex:none}
.sv-qtext{font-size:var(--wr-fs-17);font-weight:600}
.sv-foot{border-top:1px solid var(--wr-divider);padding-top:var(--wr-sp-2);flex-wrap:wrap}
.opt-list{display:grid;gap:6px}
.opt-row{display:flex;gap:6px;align-items:center}
.opt-row .input{flex:1}
.opt-mark{width:24px;text-align:center;color:var(--wr-text-muted);flex:none}
.sv-grid-edit{display:grid;grid-template-columns:1fr 1fr;gap:var(--wr-sp-4)}
.sv-placeholder{padding:10px 12px;border-bottom:1px dotted var(--wr-border-input);color:var(--wr-text-muted);width:60%}
@media (max-width:640px){.sv-grid-edit{grid-template-columns:1fr}.sv-placeholder{width:100%}}
.stage-survey .survey-result{gap:8px}

/* 영상·PDF 결과물 */
.media-ph{display:grid;place-items:center;aspect-ratio:4/3;background:var(--wr-surface-soft);color:var(--wr-text-muted);font-weight:700;border-radius:var(--wr-radius-md);border:1px solid var(--wr-divider)}
.thumb-xs.media-ph{width:64px;font-size:12px}
.media-pdf .media-ph{aspect-ratio:auto;padding:var(--wr-sp-6)}
video.preview-img{background:#000}
.stage-thumbs .media-ph{background:rgba(255,255,255,.08);color:var(--wr-stage-accent);border:0;font-size:24px}
.stage-spot .stage-spot-media{width:100%;max-height:62vh;object-fit:contain;background:#000;border-radius:12px}
.stage-spot img.stage-spot-media{background:#fff}

/* 개인 참여 코드 인쇄 */
.pass-print{padding:24px;font-family:var(--wr-font)}
.pass-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border-top:1px dashed #999;border-left:1px dashed #999}
.pass-cell{border-right:1px dashed #999;border-bottom:1px dashed #999;padding:22px 8px;text-align:center;font-size:28px;font-weight:700;letter-spacing:.08em;font-variant-numeric:tabular-nums;break-inside:avoid}
.stage-survey .muted,.stage-survey .bar-count,.stage-survey .help{color:var(--wr-stage-accent);font-size:20px}
.stage-survey .bar{height:22px;background:rgba(255,255,255,.12);border-color:transparent}
.stage-survey .bar i{background:var(--wr-stage-accent)}

/* ---------- 단어 구름·Q&A·퀴즈 (P2.1) ---------- */
.chip-list{display:flex;flex-wrap:wrap;gap:var(--wr-sp-2)}
.chip-muted{color:var(--wr-text-muted);background:var(--wr-surface-soft)}
.activity-manage{border-top:1px solid var(--wr-divider);padding-top:var(--wr-sp-2)}
.qna-item.is-pinned{border-color:var(--wr-primary);box-shadow:inset 4px 0 0 var(--wr-primary)}
.qna-item.is-answered .qna-body{color:var(--wr-text-muted)}
.qna-body{margin:0;white-space:pre-wrap;word-break:keep-all;overflow-wrap:anywhere;font-size:var(--wr-fs-17)}
.like-btn[aria-pressed=true]{background:var(--wr-surface-selected);border-color:var(--wr-primary);color:var(--wr-primary)}

/* 퀴즈 보기 색: 흰 글자와 4.5:1 이상. 색과 함께 모양(▲◆●■★⬟)으로도 구분한다 */
.q-opt-0{--q:#c0392b}.q-opt-1{--q:#1f5fae}.q-opt-2{--q:#8a5a00}.q-opt-3{--q:#1e7a3a}.q-opt-4{--q:#6f4bb0}.q-opt-5{--q:#0f6f78}
.quiz-opts{display:grid;grid-template-columns:1fr 1fr;gap:var(--wr-sp-3)}
.quiz-opt{display:flex;align-items:center;gap:var(--wr-sp-3);min-height:88px;padding:var(--wr-sp-3) var(--wr-sp-4);border:0;border-radius:var(--wr-radius-lg);background:var(--q);color:#fff;font:inherit;font-size:var(--wr-fs-20);font-weight:700;text-align:left;cursor:pointer;word-break:keep-all;overflow-wrap:anywhere}
.quiz-opt:focus-visible{outline:3px solid var(--wr-focus);outline-offset:3px}
.quiz-opt[aria-pressed=true]{box-shadow:0 0 0 4px var(--wr-bg),0 0 0 7px var(--q)}
.quiz-opt:disabled{opacity:.55;cursor:default}
.quiz-opt.is-dim{opacity:.35}
.quiz-shape{font-size:1.4em;line-height:1;flex:none}
@media (max-width:360px){.quiz-opts{grid-template-columns:1fr}.quiz-opt{min-height:64px}}
.quiz-top{position:sticky;top:0}
.quiz-count{display:inline-grid;place-items:center;min-width:56px;height:56px;padding:0 10px;border-radius:999px;background:var(--wr-primary);color:var(--wr-text-on-primary);font-size:var(--wr-fs-24);font-weight:800}
.quiz-count.is-low{background:var(--wr-danger)}
.quiz-q{font-size:var(--wr-fs-24);line-height:var(--wr-lh-tight);word-break:keep-all;overflow-wrap:anywhere;margin:0}
.quiz-result{display:flex;align-items:baseline;justify-content:space-between;gap:var(--wr-sp-3);padding:var(--wr-sp-4) var(--wr-sp-5);border-radius:var(--wr-radius-lg);font-size:var(--wr-fs-24)}
.quiz-result.is-right{background:var(--wr-success-bg);color:var(--wr-success)}
.quiz-result.is-wrong{background:var(--wr-danger-bg);color:var(--wr-danger)}
.quiz-result.is-none{background:var(--wr-surface-soft);color:var(--wr-text-muted)}
.quiz-final{text-align:center;align-items:center}
.quiz-final-score{font-size:var(--wr-fs-40)}
.quiz-wait{text-align:center;align-items:center}
.quiz-lobby{padding:var(--wr-sp-4);border-radius:var(--wr-radius-md);background:var(--wr-surface-soft)}
.quiz-outline{margin:0;padding-left:1.4em;display:grid;gap:4px}
.quiz-rate{margin:0;padding-left:1.4em;display:grid;gap:6px}
.quiz-rate li{display:flex;justify-content:space-between;gap:var(--wr-sp-3)}
.quiz-edit-opts{display:grid;gap:var(--wr-sp-2)}
.quiz-edit-opt{display:flex;align-items:center;gap:var(--wr-sp-2);padding:4px 4px 4px 10px;border-radius:var(--wr-radius-md);border-left:6px solid var(--q);background:var(--wr-surface-soft)}
.quiz-edit-opt .quiz-shape{color:var(--q)}
.quiz-correct{min-height:36px;padding:4px 12px;border-radius:var(--wr-radius-pill);border:1px solid var(--wr-border-input);background:var(--wr-surface);font:inherit;font-size:var(--wr-fs-14);cursor:pointer;white-space:nowrap}
.quiz-correct[aria-pressed=true]{background:var(--wr-success);border-color:var(--wr-success);color:#fff;font-weight:700}
.leaderboard{list-style:none;margin:0;padding:0;display:grid;gap:4px}
.leaderboard li{display:grid;grid-template-columns:56px 1fr auto;gap:var(--wr-sp-3);align-items:center;padding:8px 12px;border-radius:var(--wr-radius-md);background:var(--wr-surface-soft)}
.leaderboard li.is-own{background:var(--wr-surface-selected);font-weight:700}
.lb-name{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* 진행 화면 */
.stage-quiz-q{font-size:48px;font-weight:800;line-height:1.25;margin:16px 0 24px;word-break:keep-all;overflow-wrap:anywhere}
.stage-quiz-opts{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.stage-quiz-opts.quiz-opts-6{grid-template-columns:1fr 1fr 1fr}
.stage-quiz-opts .quiz-opt{min-height:110px;font-size:32px;cursor:default}
.stage-quiz-opts .quiz-opt b{margin-left:auto;font-size:30px}
.stage-quiz-count{min-width:96px;height:96px;font-size:44px}
.stage-lb{margin-top:20px;font-size:26px}
.stage-lb li{background:rgba(255,255,255,.08)}
.stage-podium{display:grid;grid-template-columns:1fr 1fr 1fr;align-items:end;gap:20px;margin-top:24px;text-align:center}
.stage-podium>div{display:grid;gap:8px;padding:24px 12px;border-radius:16px 16px 0 0;background:rgba(255,255,255,.1);font-size:30px}
.stage-podium b{font-size:40px;color:var(--wr-stage-accent)}
.stage-podium .podium-1{order:2;min-height:300px;background:rgba(159,195,238,.25)}
.stage-podium .podium-2{order:1;min-height:230px}
.stage-podium .podium-3{order:3;min-height:180px}
.stage-qna-pin{padding:24px 28px;border-radius:16px;background:rgba(159,195,238,.16);margin-bottom:20px}
.stage-qna-pin p{font-size:40px;font-weight:700;line-height:1.35;margin:8px 0 0;word-break:keep-all;overflow-wrap:anywhere}
.stage-qna{list-style:none;margin:0;padding:0;display:grid;gap:12px}
.stage-qna li{display:flex;justify-content:space-between;gap:24px;padding:14px 20px;border-radius:12px;background:rgba(255,255,255,.06);font-size:28px;word-break:keep-all;overflow-wrap:anywhere}
.stage-qna li b{flex:none;color:var(--wr-stage-accent);font-size:24px}
.stage-prompt{white-space:pre-wrap;font-size:20px;opacity:.9}

@media (max-width:480px){.bar-row{grid-template-columns:1fr auto}.bar-row .bar{grid-column:1/-1;grid-row:2}}

/* ---------- 아이콘·도움말·자리 상자 (UX 2차) ---------- */
.icon{flex:none;vertical-align:-3px}
.btn .icon{margin:0 -2px}
.btn-icon{padding:0;width:var(--wr-btn-sm,36px);min-width:var(--wr-btn-sm,36px)}
.has-help{display:inline-flex;align-items:center;gap:4px}
label.has-help,.label.has-help{display:flex}
.help-wrap{display:inline-flex;position:relative}
.help-tip{position:relative;display:inline-grid;place-items:center;width:24px;height:24px;padding:0;border:0;border-radius:50%;background:transparent;color:var(--wr-text-muted);cursor:help;transition:color var(--wr-dur-fast) var(--wr-ease-out),background-color var(--wr-dur-fast) var(--wr-ease-out)}
/* 보이는 크기는 24px, 누를 수 있는 범위는 40px */
.help-tip::before{content:"";position:absolute;inset:-8px}
.help-tip[aria-expanded=true]{color:var(--wr-primary);background:var(--wr-surface-selected)}
@media (hover:hover) and (pointer:fine){.help-tip:hover{color:var(--wr-primary)}}
.help-tip-box{position:fixed;z-index:var(--wr-z-toast);width:max-content;padding:10px 12px;border-radius:var(--wr-radius-sm);background:var(--wr-navy-900);color:#fff;font-size:var(--wr-fs-14);font-weight:400;line-height:1.55;box-shadow:var(--wr-shadow-overlay);pointer-events:none;text-align:left;white-space:normal}
.help-tip-box.is-open{animation:wr-fade var(--wr-dur-fast) var(--wr-ease-out)}
.check-row{display:flex;align-items:center;gap:4px;flex-wrap:wrap}
.check-row .check{flex:0 1 auto}
.stage .help-wrap{display:none}

/* 작은 버튼: 마우스 기기 40px, 터치 기기 44px(교육생 화면은 항상 44px) */
.btn-sm{--wr-btn-sm:40px;min-height:var(--wr-btn-sm)}
.tree a{min-height:40px}
@media (pointer:coarse){.btn-sm{--wr-btn-sm:44px}.tree a{min-height:44px}.chip{min-height:44px}}
.phone-page .btn-sm{--wr-btn-sm:44px}

/* 진행 콘솔: 활동 패널 머리에도 단계 버튼을 둔다(제출 표를 보면서 바로 누르게) */
.panel-head{display:flex;justify-content:space-between;align-items:center;gap:var(--wr-sp-3);flex-wrap:wrap}
.panel-head .row{justify-content:flex-end}

/* 불러오는 중 자리 상자: 0.3초 안에 끝나면 보이지 않는다. 반짝이는 반복 효과는 쓰지 않는다 */
.skel{display:flex;flex-direction:column;gap:var(--wr-sp-4);animation:wr-fade var(--wr-dur-fast) var(--wr-ease-out) 300ms backwards}
.skel-line{height:16px;border-radius:var(--wr-radius-sm);background:var(--wr-slate-200);opacity:.7}
.skel-title{height:28px;width:45%}
.skel-short{width:60%}
.skel-card{height:120px;border-radius:var(--wr-radius-md);background:var(--wr-surface-soft);border:1px solid var(--wr-divider)}
.stage-team .icon{margin-left:6px;vertical-align:-4px}
.media-ph .icon{margin-right:6px}

.crumb{display:inline-flex;align-items:center;gap:4px}
.likes{display:inline-flex;align-items:center;gap:2px;color:var(--wr-danger)}
.like-btn .icon{color:var(--wr-danger)}
.icon-ok{color:var(--wr-success);margin-left:6px}
.quiz-correct .icon{margin-right:2px}
.stage-qna-pin .icon,.stage-qna .icon{vertical-align:-3px}
.opt-mark{display:inline-grid;place-items:center;color:var(--wr-text-muted)}

.skel.skel-now{animation-delay:0s}
.console-band .code{white-space:nowrap}@media (max-width:480px){.console-band .code{font-size:var(--wr-fs-28)}}
.console-band .grow{min-width:0;overflow-wrap:anywhere}@media (max-width:480px){.console-band .stat{width:100%}}

/* ---------- 교육생 화면: 데스크톱 기본, 좁은 화면은 반응형 (UX 3차) ---------- */
/* 수업방: 화면 전체를 쓰고, 읽는 화면 760px · 작품·자료 화면 1200px 폭 */
.room-page.phone-page{max-width:none;background:var(--wr-canvas)}
.room-page .phone-head{background:var(--wr-bg);border-bottom:1px solid var(--wr-divider)}
.room-page .phone-bar{max-width:1200px;margin:0 auto;border-bottom:0;padding:12px 24px}
.room-page .phone-bar b{font-size:var(--wr-fs-17)}
.room-page .timer-chip{padding-inline:max(16px,calc((100% - 1200px) / 2 + 24px))}
.room-page .phone-body{width:100%;max-width:calc(760px + 48px);margin:0 auto;padding:var(--wr-sp-8) 24px var(--wr-sp-12)}
.room-page .phone-body.is-mid{max-width:calc(960px + 48px)}
.room-page .phone-body.is-wide{max-width:calc(1200px + 48px)}
.room-page .phone-foot{max-width:none}
.room-page .phone-foot>.stack{max-width:760px;margin:0 auto}
.room-page .conn{text-align:center}
.room-page h1{font-size:var(--wr-fs-28)}
/* 화면 위 카드는 흰 바탕(배경과 구분) */
.room-page .phone-body>.card,.room-page .phone-body .card{background:var(--wr-surface)}

/* 홈: 열려 있는 활동 목록 */
.activity-list{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:var(--wr-sp-3)}
.activity-list .card{font:inherit;color:inherit;text-align:left;cursor:pointer;min-height:64px}

/* 자료 공유: 메모 | 자료 */
.share-layout{display:grid;gap:var(--wr-sp-6);align-items:start}
@media (min-width:960px){
  .share-layout.has-two{grid-template-columns:minmax(0,3fr) minmax(300px,2fr)}
  .share-layout.has-two .share-items{position:sticky;top:var(--wr-sp-4)}
  /* 단락마다 복사 버튼을 오른쪽에 */
  .memo-block{display:grid;grid-template-columns:minmax(0,1fr) auto;align-items:start;gap:var(--wr-sp-3)}
}
.share-body{max-height:none}

/* 도전 투표: 작품 격자 + 오른쪽 고른 작품 패널 */
.work-grid{display:grid;gap:var(--wr-sp-4);grid-template-columns:repeat(auto-fill,minmax(240px,1fr))}
.vote-layout{display:grid;grid-template-columns:minmax(0,1fr) 380px;gap:var(--wr-sp-6);align-items:start}
.vote-panel{position:sticky;top:var(--wr-sp-4);max-height:calc(100dvh - 32px);overflow:auto}
.vote-panel .media-full,.vote-panel img,.vote-panel video{max-height:260px;object-fit:contain}
.result-grid{display:grid;gap:var(--wr-sp-4);grid-template-columns:repeat(auto-fill,minmax(340px,1fr));align-items:start}

/* 제출: 입력 칸 | 결과물 */
.submit-grid{display:grid;gap:var(--wr-sp-6);align-items:start}
@media (min-width:960px){
  .submit-grid{grid-template-columns:minmax(0,1fr) minmax(0,1fr)}
  .submit-grid .sub-media{order:2;position:sticky;top:var(--wr-sp-4)}
  .submit-grid .file-drop{min-height:200px}
}
.file-drop.is-over{border-color:var(--wr-primary);background:var(--wr-surface-selected)}
.file-drop .icon{color:var(--wr-primary)}

/* 퀴즈: 키보드 숫자 표시 */
.quiz-key{margin-left:auto;display:inline-grid;place-items:center;min-width:28px;height:28px;padding:0 6px;border-radius:6px;background:rgba(255,255,255,.22);font:700 var(--wr-fs-14) var(--wr-font)}
@media (min-width:960px){.quiz-opt{min-height:104px;font-size:var(--wr-fs-24)}}

/* 설문 그리드: 넓은 화면에서는 표 */
.grid-head{display:none}
@media (min-width:720px){
  .grid-q-wrap .grid-head,.grid-q-wrap .grid-row{display:grid;grid-template-columns:minmax(160px,1.6fr) repeat(var(--cols),minmax(64px,1fr));align-items:center;gap:4px 8px}
  .grid-q-wrap .grid-head span{text-align:center;font-size:var(--wr-fs-14);color:var(--wr-text-muted);font-weight:600}
  .grid-q-wrap .grid-row .label{margin:0}
  .grid-q-wrap .grid-chips{display:contents}
  .grid-q-wrap .grid-chip{justify-self:center;width:32px;height:32px;min-height:0;padding:0;border-radius:50%;justify-content:center}
  .survey-q:has(input[type=checkbox]) .grid-q-wrap .grid-chip{border-radius:6px}
  .grid-q-wrap .grid-chip span{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
}

/* 진입 화면(워크북 링크 → 반 고르기, 코드 입력, 접속 점검): 넓은 화면에서는 가운데 카드 */
@media (min-width:720px){
  .phone-page:not(.room-page){min-height:auto;margin:clamp(24px,8vh,96px) auto;border:1px solid var(--wr-divider);border-radius:var(--wr-radius-lg);overflow:hidden;max-width:520px}
  .phone-page:not(.room-page) .phone-body{padding:var(--wr-sp-6)}
}

/* 좁은 화면(휴대폰): 여백을 줄이고 한 줄로 쌓는다 */
@media (max-width:959px){
  .vote-layout{grid-template-columns:1fr}
}
@media (max-width:600px){
  .room-page .phone-bar{padding:10px 16px}
  .room-page .phone-body{padding:var(--wr-sp-4) 16px var(--wr-sp-8)}
  .room-page h1{font-size:var(--wr-fs-24)}
  .work-grid,.result-grid{grid-template-columns:1fr}
}

.vote-panel .preview-img{max-height:min(260px,28vh)}.go-bar{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap}
/* 노트북처럼 세로가 짧은 넓은 화면: 위 여백과 고른 작품 크기를 줄여 투표 버튼이 첫 화면에 보이게 */@media (min-width:960px) and (max-height:820px){.room-page .phone-body{padding-top:var(--wr-sp-4)}.vote-panel .preview-img{max-height:22vh}.vote-panel{gap:var(--wr-sp-2)}}
/* 넓은 화면의 교육생 수업방: 알림은 오른쪽 아래(입력칸·버튼을 가리지 않게) */@media (min-width:960px){body:has(.room-page) .toast-area{left:auto;right:24px;transform:none;width:min(380px,40vw)}}
.room-page .phone-body.is-join{max-width:calc(560px + 48px);padding-top:clamp(24px,8vh,80px)}.join-card{padding:var(--wr-sp-6)}

/* ---------- 기준 해상도 고도화 (UX 4차) ----------
   기준(브라우저가 실제로 쓰는 크기): 주 1920×950(교육장 PC 100%), 노트북 1536×730(1920 노트북 125%),
   최소 1280×590(150%), 절반 창 960·768, 휴대폰 375. */
.room-page{--room-wide:1200px}
.room-page .phone-bar{max-width:var(--room-wide)}
.room-page .timer-chip{padding-inline:max(16px,calc((100% - var(--room-wide)) / 2 + 24px))}
.room-page .phone-body.is-wide{max-width:calc(var(--room-wide) + 48px)}
@media (min-width:1600px){
  /* 1920 화면: 작품·자료 화면을 1440px까지 넓혀 갤러리 4열 */
  .room-page{--room-wide:1440px}
  .vote-layout{grid-template-columns:minmax(0,1fr) 420px}
  /* 강사 관리 화면 본문도 넓게 */
  :root{--wr-container:1440px}
}
/* 세로가 아주 짧은 노트북(150% 배율, 약 590px): 머리줄·제목·여백을 더 줄인다 */
@media (min-width:960px) and (max-height:660px){
  .room-page .phone-bar{padding-block:6px}
  .room-page h1{font-size:var(--wr-fs-24)}
  .room-page .phone-body{padding-top:var(--wr-sp-3)}
  .room-page .phone-body>.stack-lg,.room-page .phone-body{gap:var(--wr-sp-3)}
  .vote-panel .preview-img{max-height:16vh}
  .vote-panel h2{font-size:var(--wr-fs-17)}
  .vote-panel textarea.input{min-height:64px}
  .quiz-opt{min-height:80px}
}

@media (min-width:1600px){.vote-layout .work-grid{grid-template-columns:repeat(auto-fill,minmax(220px,1fr))}}@media (min-width:960px) and (max-height:660px){.vote-panel textarea.input{height:68px;min-height:0}.vote-panel{padding:var(--wr-sp-3) var(--wr-sp-4)}}
.console-pair{display:grid;gap:var(--wr-sp-5);align-items:start}@media (min-width:1440px){.console-pair{grid-template-columns:minmax(0,1fr) minmax(0,1fr)}}

/* 진행 화면(프로젝터): 글자·보기 크기를 화면 크기에 맞춰 키운다. 1280×720에서는 지금 크기, 1920×1080에서 약 1.4배 */
.stage-title{font-size:clamp(28px,2.1vw,42px)}
.stage-accent{font-size:clamp(24px,1.6vw,34px)}
.stage-reason{font-size:clamp(22px,1.6vw,32px)}
.stage-corner{font-size:clamp(20px,1.3vw,26px)}
.stage-quiz-q{font-size:clamp(40px,3.3vw,68px)}
.stage-quiz-opts{gap:clamp(16px,1.2vw,24px)}
.stage-quiz-opts .quiz-opt{min-height:clamp(110px,16vh,200px);font-size:clamp(30px,2.4vw,48px)}
.stage-quiz-opts .quiz-opt b{font-size:clamp(28px,2.2vw,44px)}
.stage-quiz-count{min-width:clamp(96px,7vw,140px);height:clamp(96px,7vw,140px);font-size:clamp(44px,3.3vw,64px)}
.stage-qna-pin p{font-size:clamp(40px,3vw,60px)}
.stage-qna li{font-size:clamp(28px,1.9vw,38px)}
.stage-lb{font-size:clamp(26px,1.8vw,36px)}
.stage-items{font-size:clamp(28px,2vw,40px)}
.stage-memo{font-size:clamp(26px,1.8vw,36px)}
.stage-thumbs figcaption{font-size:clamp(20px,1.3vw,26px)}

.stage-quiz-opts .quiz-shape{width:1.05em;height:1.05em}.stage-quiz-opts .quiz-opt b .icon{width:.9em;height:.9em}

/* ---------- 진행 콘솔: 수업 조종석(U-24) ---------- */
/* 상단 고정 막대 + 왼쪽 수업 흐름 + 가운데 지금 활동 + 오른쪽 미리보기. 1920×950 기준, 960(반쪽 창)까지 같은 구조 */
.console-mode .layout{grid-template-columns:1fr}
.console-mode .sidebar{display:none}
.console-mode .content{max-width:none;padding:0 var(--wr-sp-5) var(--wr-sp-6);gap:0}
.cockpit{display:flex;flex-direction:column;--ck-bar-h:64px}
.ck-bar{position:sticky;top:56px;z-index:var(--wr-z-sticky);display:flex;align-items:center;flex-wrap:wrap;gap:var(--wr-sp-2) var(--wr-sp-4);min-height:var(--ck-bar-h);margin:0 calc(var(--wr-sp-5) * -1);padding:var(--wr-sp-2) var(--wr-sp-5);background:var(--wr-surface);border-bottom:1px solid var(--wr-divider)}
.ck-title{display:flex;align-items:baseline;gap:var(--wr-sp-3);min-width:0}
.ck-title h1{font-size:var(--wr-fs-20);white-space:nowrap}
.ck-title .crumb{font-size:var(--wr-fs-14);white-space:nowrap;max-width:260px;overflow:hidden;text-overflow:ellipsis}
.ck-status,.ck-tools{display:flex;align-items:center;gap:var(--wr-sp-1);flex-wrap:wrap}
.ck-tools{margin-left:auto}
.ck-code .num{font-weight:700;letter-spacing:.06em}
.ck-safe{gap:0}
.safe-toggle[aria-pressed="true"]{background:var(--wr-surface-selected)}
.ck-preview-toggle[aria-pressed="true"]{background:var(--wr-surface-selected)}
.ck-more,.ck-pop{position:relative}
.ck-more>summary,.ck-pop>summary{list-style:none}
.ck-more>summary::-webkit-details-marker,.ck-pop>summary::-webkit-details-marker{display:none}
.ck-menu{position:absolute;right:0;top:calc(100% + 6px);z-index:var(--wr-z-drawer);min-width:220px;box-shadow:var(--wr-shadow-overlay);animation:wr-rise var(--wr-dur-fast) var(--wr-ease-out)}
.ck-menu .btn{justify-content:flex-start}
.ck-timer-pop .ck-menu{right:auto;left:0;width:360px}
.ck-timer-pop h2{font-size:var(--wr-fs-17)}
.ck-timer-pop .tm-min{width:84px}
.ck-timer{display:flex;align-items:center;gap:2px;border:1px solid var(--wr-divider);border-radius:var(--wr-radius-pill);padding:0 4px 0 12px}
.timer-inline{display:flex;align-items:baseline;gap:var(--wr-sp-2);font-weight:700;color:var(--wr-primary);white-space:nowrap}
.timer-inline .timer-label{font-size:var(--wr-fs-14);color:var(--wr-text-muted);font-weight:600;max-width:140px;overflow:hidden;text-overflow:ellipsis}
.timer-inline .timer-clock{font-size:var(--wr-fs-20)}
.timer-inline .timer-note{font-size:var(--wr-fs-12)}
.timer-inline.is-warn{color:var(--wr-warning)}
.timer-inline.is-done{color:var(--wr-danger)}

.ck-grid{display:grid;grid-template-columns:288px minmax(0,1fr);gap:var(--wr-sp-5);padding-top:var(--wr-sp-5);align-items:start}
.ck-flow{position:sticky;top:calc(56px + var(--ck-bar-h) + var(--wr-sp-4))}
.flow{display:flex;flex-direction:column;gap:var(--wr-sp-3);max-height:calc(100vh - 56px - var(--ck-bar-h) - var(--wr-sp-8));overflow:auto}
.flow-head h2{font-size:var(--wr-fs-17)}
.flow-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:2px}
.flow-item{display:flex;gap:10px;width:100%;text-align:left;align-items:flex-start;padding:8px 10px;border:1px solid transparent;border-radius:var(--wr-radius-sm);background:transparent;color:var(--wr-text);font:inherit;cursor:pointer;transition:background-color var(--wr-dur-fast) var(--wr-ease-out)}
.flow-item:hover{background:var(--wr-surface-hover)}
.flow-item.is-current{background:var(--wr-surface-selected);border-color:var(--wr-primary)}
.flow-item:focus-visible{outline:2px solid var(--wr-focus);outline-offset:2px}
.flow-num{flex:none;width:24px;height:24px;margin-top:1px;border-radius:50%;display:grid;place-items:center;font-size:var(--wr-fs-12);font-weight:700;background:var(--wr-surface-soft);border:1px solid var(--wr-divider);color:var(--wr-text-muted)}
.flow-num.is-done{background:var(--wr-navy-100);border-color:var(--wr-navy-100);color:var(--wr-primary)}
.flow-item.is-live .flow-num{background:var(--wr-success);border-color:var(--wr-success);color:#fff}
.flow-text{display:flex;flex-direction:column;gap:2px;min-width:0;flex:1}
.flow-title{display:flex;align-items:center;gap:6px;font-weight:600;font-size:var(--wr-fs-14);line-height:var(--wr-lh-tight)}
.flow-live{color:var(--wr-success);flex:none}
.flow-sub,.flow-metric{font-size:var(--wr-fs-12);color:var(--wr-text-muted)}
.mini-bar{display:block;height:4px;margin-top:4px;border-radius:2px;background:var(--wr-slate-100);overflow:hidden}
.mini-bar i,.now-bar i{display:block;height:100%;background:var(--wr-primary);transform-origin:left center;transition:transform var(--wr-dur-base) var(--wr-ease-out)}

.ck-main{min-width:0}
.ck-now{padding:var(--wr-sp-5);gap:var(--wr-sp-4)}
.now-head{display:flex;justify-content:space-between;align-items:flex-start;gap:var(--wr-sp-4);flex-wrap:wrap}
.now-title-wrap{gap:var(--wr-sp-1);min-width:0}
.now-head h2{font-size:var(--wr-fs-24)}
.now-metric{display:flex;flex-direction:column;gap:var(--wr-sp-2)}
.now-count{font-size:var(--wr-fs-28)}
.now-bar{display:block;height:10px;border-radius:5px;background:var(--wr-slate-100);overflow:hidden}
.now-actions{padding-bottom:var(--wr-sp-4);border-bottom:1px solid var(--wr-divider)}
.cockpit-body{display:flex;flex-direction:column;gap:var(--wr-sp-3)}
.ck-entry-grid{display:grid;grid-template-columns:auto minmax(0,1fr);gap:var(--wr-sp-6);align-items:center}
.ck-qr{width:220px;height:220px;border:1px solid var(--wr-divider);border-radius:var(--wr-radius-sm)}
.ck-entry-code{font-size:var(--wr-fs-64);font-weight:700;letter-spacing:.06em;line-height:1}
.ck-entry-count b{font-size:var(--wr-fs-40)}
.ck-entry .row .muted{overflow-wrap:anywhere}
.ck-entry-next{padding-top:var(--wr-sp-4);border-top:1px solid var(--wr-divider)}

/* 미리보기: 1600px 이상은 셋째 칸, 그보다 좁으면 오른쪽에 겹쳐 뜬다. 기본은 닫힘 */
.ck-preview{display:none;flex-direction:column;gap:var(--wr-sp-4);width:400px;padding:var(--wr-sp-4);background:var(--wr-surface);border:1px solid var(--wr-divider);border-radius:var(--wr-radius-md)}
.ck-preview.is-open{display:flex;position:fixed;right:var(--wr-sp-4);top:calc(56px + var(--ck-bar-h) + var(--wr-sp-3));bottom:var(--wr-sp-4);overflow:auto;z-index:var(--wr-z-drawer);box-shadow:var(--wr-shadow-overlay)}
@media (min-width:1600px){
  .ck-grid:has(.ck-preview.is-open){grid-template-columns:288px minmax(0,1fr) 400px}
  .ck-preview.is-open{position:sticky;right:auto;bottom:auto;top:calc(56px + var(--ck-bar-h) + var(--wr-sp-4));max-height:calc(100vh - 56px - var(--ck-bar-h) - var(--wr-sp-8));box-shadow:none;z-index:auto}
}
.pv-head h3{font-size:var(--wr-fs-14);font-weight:700}
.pv-frame{position:relative;overflow:hidden;border:1px solid var(--wr-divider);border-radius:var(--wr-radius-sm);background:var(--wr-bg)}
.pv-frame iframe{position:absolute;left:0;top:0;border:0;transform-origin:0 0;pointer-events:none}
/* 교육생 화면은 768px 너비로 그려 0.47배, 진행 화면은 1280×720을 0.2875배 */
.pv-student{height:400px}
.pv-student iframe{width:768px;height:852px;transform:scale(.4688)}
.pv-stage{height:207px}
.pv-stage iframe{width:1280px;height:720px;transform:scale(.2875)}
.pv-note{font-size:var(--wr-fs-12)}
body.is-preview #view{pointer-events:none}
body.is-preview #edit-me,body.is-preview #foot{display:none}

/* 발표 중 가리기: 강사만 볼 내용을 가리고 안내만 남긴다(누르면 15초 동안 보임) */
.cockpit.safe-on:not(.is-peek) .staff-only{min-height:48px;border:1px dashed var(--wr-border-input);border-radius:var(--wr-radius-sm);background:var(--wr-surface-soft);cursor:pointer}
.cockpit.safe-on:not(.is-peek) .staff-only>*{display:none}
.cockpit.safe-on:not(.is-peek) .staff-only::before{content:"발표 중 가리기로 숨겼습니다 · 누르면 15초 동안 보입니다";display:block;padding:12px 14px;color:var(--wr-text-muted);font-size:var(--wr-fs-14)}
.cockpit.safe-on:not(.is-peek) .staff-only:hover{background:var(--wr-surface-hover)}
.cockpit.safe-on:not(.is-peek) .staff-only:focus-visible{outline:2px solid var(--wr-focus);outline-offset:2px}
.cockpit.safe-on:not(.is-peek) .staff-name{display:none}

/* 오른쪽 서랍(교육생 목록·개인 참여 코드)과 큰 QR */
dialog.drawer{margin:0 0 0 auto;height:100dvh;max-height:100dvh;width:min(520px,96vw);border-radius:var(--wr-radius-lg) 0 0 var(--wr-radius-lg);padding:var(--wr-sp-5);display:flex;flex-direction:column;gap:var(--wr-sp-4)}
dialog.drawer:not([open]){display:none}
dialog.drawer[open]{animation:wr-slide-left var(--wr-dur-base) var(--wr-ease-out)}
dialog.drawer h2{margin:0}
.drawer-body{overflow:auto;flex:1}
@keyframes wr-slide-left{from{opacity:0;transform:translateX(32px)}}
dialog.qr-dialog{width:min(560px,96vw);text-align:center;display:flex;flex-direction:column;align-items:center;gap:var(--wr-sp-3)}
dialog.qr-dialog:not([open]){display:none}
.qr-big{width:min(420px,80vw);height:auto;aspect-ratio:1}
.qr-dialog .code{font-size:var(--wr-fs-64);font-weight:700;letter-spacing:.06em;line-height:1}
.qr-url{overflow-wrap:anywhere}
.qr-dialog .dialog-actions{align-self:stretch}
@media (prefers-reduced-motion: reduce){dialog.drawer[open]{animation-name:wr-fade}.ck-menu{animation:none}}

/* 반쪽 창(960)·좁은 화면: 흐름은 가로 단계 줄로 위에 */
@media (max-width:640px){
  .ck-bar{position:static}
  .ck-entry-grid{grid-template-columns:1fr;justify-items:start}
  .ck-qr{width:160px;height:160px}
  .ck-entry-code{font-size:var(--wr-fs-40)}
  .ck-preview.is-open{left:var(--wr-sp-2);right:var(--wr-sp-2);width:auto;top:64px}
  .ck-timer-pop .ck-menu{width:min(360px,90vw)}
}


/* 수업안: 예상 시간 */
.input-min{width:72px;text-align:right;padding-inline:8px}
.min-field{display:inline-flex;align-items:center;gap:6px;color:var(--wr-text-muted);font-size:var(--wr-fs-14)}
.plan-time{gap:var(--wr-sp-2) var(--wr-sp-3);padding:var(--wr-sp-3);background:var(--wr-surface-soft);border-radius:var(--wr-radius-sm)}
.plan-time>label{font-weight:600}
.plan-sum{color:var(--wr-text-muted);font-size:var(--wr-fs-14);margin-left:auto}
.plan-sum.is-over{color:var(--wr-warning);font-weight:600}
details.plan-desc>summary{cursor:pointer;list-style:none;display:flex;align-items:center;gap:6px;min-height:var(--wr-touch)}
details.plan-desc>summary::-webkit-details-marker{display:none}
details.plan-desc>summary::before{content:"";width:8px;height:8px;border-right:2px solid currentColor;border-bottom:2px solid currentColor;transform:rotate(-45deg);transition:transform var(--wr-dur-fast) var(--wr-ease-out);margin-right:4px}
details.plan-desc[open]>summary::before{transform:rotate(45deg)}
details.plan-desc[open]>summary{margin-bottom:var(--wr-sp-3)}
.plan-desc-title{font-size:var(--wr-fs-20);font-weight:700}


/* 조종석 다듬기: 좁은 창에서 돌아가기 링크는 화살표만, 흐름 가로 줄 위치 계산, 타이머 메뉴 정렬 */
.ck-title .crumb{display:inline-flex;align-items:center;gap:4px}
.flow-list{position:relative}
.ck-timer-pop .timer-setup{flex-wrap:nowrap;align-items:flex-end}
.ck-timer-pop .timer-setup .grow{min-width:0}
.ck-timer-pop .tm-min .input{width:100%}
.ck-timer-pop .timer-start .btn{min-height:44px}
@media (max-width:1440px){.ck-title .crumb-text{display:none}}

.cockpit-body .quiz-ctl{display:none}


/* ---------- 좁은 화면 다듬기: 목차 서랍·접기, 수업 흐름 좁은 막대·한 줄 단계 표시, 상단 막대 아이콘 ---------- */
.topbar-start{gap:var(--wr-sp-1)}
.nav-toggle,.nav-close{display:none}
.nav-head{min-height:32px;flex-wrap:nowrap}
.nav-head label{margin:0}
body.nav-collapsed .nav-toggle,body.console-mode .nav-toggle{display:inline-flex}
body.console-mode .nav-collapse{display:none}
body.console-mode .nav-close{display:inline-flex}
@media (min-width:1024px){
  body.nav-collapsed:not(.console-mode) .layout{grid-template-columns:1fr}
  body.nav-collapsed:not(.console-mode) .sidebar{display:none}
}
/* 반쪽 창(960)까지 목차는 서랍으로: 본문을 화면 전체 폭으로 쓴다 */
@media (max-width:1023px){
  .layout{grid-template-columns:1fr}
  .nav-toggle,.nav-close{display:inline-flex}
  .nav-collapse{display:none}
  .sidebar{display:none}
}
body.nav-open #sidebar{display:flex;position:fixed;left:0;top:0;bottom:0;width:min(320px,86vw);z-index:var(--wr-z-drawer);overflow:auto;border-right:1px solid var(--wr-divider);border-bottom:0;box-shadow:var(--wr-shadow-overlay);animation:wr-slide-right var(--wr-dur-base) var(--wr-ease-out)}
body.nav-open{overflow:hidden}
.nav-backdrop{position:fixed;inset:0;background:rgba(15,28,46,.4);z-index:calc(var(--wr-z-drawer) - 1);animation:wr-fade var(--wr-dur-base) var(--wr-ease-out)}
.nav-backdrop[hidden]{display:none}
@keyframes wr-slide-right{from{opacity:0;transform:translateX(-24px)}}
@media (prefers-reduced-motion: reduce){body.nav-open #sidebar{animation-name:wr-fade}}

/* 툴팁: 이름을 숨긴 아이콘 버튼과 좁은 막대에서만 보인다 */
.has-tip{position:relative}
.has-tip::after{content:attr(data-tip);position:absolute;z-index:var(--wr-z-drawer);pointer-events:none;opacity:0;visibility:hidden;background:var(--wr-text);color:#fff;font-size:var(--wr-fs-12);font-weight:600;line-height:1.3;padding:6px 8px;border-radius:var(--wr-radius-sm);white-space:nowrap;transition:opacity var(--wr-dur-fast) var(--wr-ease-out),visibility var(--wr-dur-fast)}
.tip-below::after{top:calc(100% + 6px);left:50%;transform:translateX(-50%)}
.ck-tools .tip-below::after{left:auto;right:0;transform:none}
.tip-right::after{left:calc(100% + 8px);top:50%;transform:translateY(-50%)}
.btn.is-on{background:var(--wr-surface-selected)}

/* 수업 흐름: 기본(1280px 이상)에서는 막대용 버튼·단계 표시를 숨긴다 */
.flow-stepper,.flow-rail-toggle,.flow-close{display:none}

@media (max-width:1279px){
  /* 상단 막대: 이름은 숨기고 아이콘만(툴팁으로 이름) */
  .ck-bar .btn-label,.ck-bar .timer-label{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}
  .ck-bar .has-tip:hover::after,.ck-bar .has-tip:focus-visible::after{opacity:1;visibility:visible}
  .ck-bar{gap:var(--wr-sp-1) var(--wr-sp-2)}
  .ck-timer{padding-left:10px}

  /* 좁은 막대(A) */
  .ck-grid,.ck-grid:has(.ck-preview.is-open){grid-template-columns:56px minmax(0,1fr)}
  .ck-flow{z-index:calc(var(--wr-z-sticky) + 1)}
  .cockpit:not(.flow-open) .flow{padding:var(--wr-sp-2) 0;align-items:center;gap:var(--wr-sp-2);overflow:visible;max-height:none}
  .cockpit:not(.flow-open) .flow-head{display:none}
  .cockpit:not(.flow-open) .flow-rail-toggle{display:inline-flex}
  .cockpit:not(.flow-open) .flow-item{width:44px;justify-content:center;padding:8px 0}
  .cockpit:not(.flow-open) .flow-num{margin-top:0}
  .cockpit:not(.flow-open) .flow-text,.cockpit:not(.flow-open) .flow .btn-label{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}
  .cockpit:not(.flow-open) .flow-add{width:44px;padding:0;justify-content:center}
  .cockpit:not(.flow-open) .flow .has-tip:hover::after,.cockpit:not(.flow-open) .flow .has-tip:focus-visible::after{opacity:1;visibility:visible}
  /* 펼치면 목록이 본문 위로 겹친다 */
  .cockpit.flow-open .flow{position:absolute;left:0;top:0;width:300px;z-index:var(--wr-z-drawer);box-shadow:var(--wr-shadow-overlay);max-height:calc(100vh - 56px - var(--ck-bar-h) - var(--wr-sp-8));overflow:auto;animation:wr-slide-right var(--wr-dur-fast) var(--wr-ease-out)}
  .cockpit.flow-open .flow-close{display:inline-flex}
}

@media (max-width:767px){
  /* 한 줄 단계 표시(B) */
  .ck-grid,.ck-grid:has(.ck-preview.is-open){grid-template-columns:minmax(0,1fr)}
  .ck-flow{position:relative;top:auto}
  .flow-stepper{display:flex;align-items:center;gap:2px;padding:4px}
  .cockpit .flow,.cockpit:not(.flow-open) .flow{display:none}
  .cockpit.flow-open .flow{display:flex;position:absolute;left:0;right:0;top:calc(100% + 6px);width:auto;max-height:60vh}
  .cockpit.flow-open .flow .flow-text{position:static;width:auto;height:auto;margin:0;overflow:visible;clip:auto;white-space:normal}
}
.flow-current{flex:1;min-width:0;display:flex;align-items:center;gap:var(--wr-sp-2);padding:6px 8px;border:0;background:transparent;border-radius:var(--wr-radius-sm);font:inherit;color:var(--wr-text);text-align:left;cursor:pointer;min-height:44px}
.flow-current:hover{background:var(--wr-surface-hover)}
.flow-current:focus-visible{outline:2px solid var(--wr-focus);outline-offset:2px}
.flow-current-text{display:flex;flex-direction:column;min-width:0;flex:1}
.flow-current-text b,.flow-current-text .muted{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.flow-current-text .muted{font-size:var(--wr-fs-12)}
.cockpit.flow-open .flow-current>.icon{transform:rotate(180deg)}
.flow-current>.icon{transition:transform var(--wr-dur-fast) var(--wr-ease-out);flex:none}


/* 단축키 안내 */
.shortcut-table td{padding:6px 8px;vertical-align:top}
.shortcut-table td:first-child{width:56px}
kbd{display:inline-block;min-width:28px;padding:2px 8px;border:1px solid var(--wr-border-input);border-bottom-width:2px;border-radius:6px;background:var(--wr-surface-soft);font:600 var(--wr-fs-14)/1.4 var(--wr-font);text-align:center;color:var(--wr-text)}


/* 900px 이하: 상단 막대를 한 줄에 넣으려고 자주 안 쓰는 '-1분'과 가리기 도움말을 숨긴다(가리기 이름은 툴팁으로) */
@media (max-width:900px){.ck-bar .timer-minus,.ck-safe .help-tip{display:none}}

@media (max-width:900px){.ck-bar{gap:4px}.ck-bar .btn-sm{padding-inline:8px}.ck-status,.ck-tools{gap:0}.ck-timer{padding-left:8px}}

/* ===== 타이머 종류(실습·토의·휴식)·쉬는 시간 화면·진행 화면 배경 음악 (feature/break-bgm) ===== */
/* 진행 화면: 휴식 타이머면 화면 전체가 쉬는 시간 화면이 된다. 배경은 남색 → 짙은 청록으로 아주 천천히 흐르고, 가운데 빛이 숨 쉬듯 커졌다 작아진다 */
.stage-break{--brk-teal:#0d4a57;--brk-deep:#0b2c44;position:fixed;inset:0;z-index:6;display:grid;place-items:center;overflow:hidden;background:var(--wr-stage-bg);color:var(--wr-stage-text);animation:wr-fade var(--wr-dur-scene) var(--wr-ease-expressive)}
.brk-sky{position:absolute;inset:-25%;background:radial-gradient(42% 46% at 28% 32%,var(--brk-teal) 0,transparent 72%),radial-gradient(46% 50% at 74% 70%,var(--wr-navy-800) 0,transparent 72%),linear-gradient(160deg,var(--wr-stage-bg) 20%,var(--brk-deep) 80%);animation:brk-drift 60s ease-in-out infinite alternate;will-change:transform}
.brk-glow{position:absolute;left:50%;top:50%;width:min(110vh,90vw);aspect-ratio:1;margin:calc(min(110vh,90vw) / -2) 0 0 calc(min(110vh,90vw) / -2);border-radius:50%;background:radial-gradient(circle,rgba(159,195,238,.16) 0,rgba(13,74,87,.12) 40%,transparent 68%);animation:brk-breathe 10s ease-in-out infinite;will-change:transform,opacity}
@keyframes brk-drift{from{transform:translate3d(-4%,-3%,0) rotate(0deg) scale(1)}to{transform:translate3d(4%,3%,0) rotate(8deg) scale(1.08)}}
@keyframes brk-breathe{0%,100%{transform:scale(.9);opacity:.65}50%{transform:scale(1.06);opacity:1}}
.brk-inner{position:relative;display:grid;justify-items:center;gap:clamp(8px,1.6vh,24px);padding:0 6vw;text-align:center}
.brk-title{font-size:clamp(32px,2.6vw,56px);font-weight:600;color:var(--wr-stage-accent);letter-spacing:.02em;max-width:80vw;overflow-wrap:anywhere}
.brk-clock{font-size:min(17vw,30vh);font-weight:700;line-height:1;letter-spacing:-.02em;font-variant-numeric:tabular-nums}
.brk-when{font-size:clamp(30px,2.8vw,60px);font-weight:600;line-height:1.3;word-break:keep-all}
.stage-break.is-soon .brk-when{color:#ffd28a}
.stage-break.is-paused .brk-clock{opacity:.55}
.stage-break.is-paused .brk-glow{animation-play-state:paused}
.is-break .stage-timer{visibility:hidden}
@media (prefers-reduced-motion:reduce){.stage-break,.brk-sky,.brk-glow{animation:none}.brk-sky{transform:none}}

/* 진행 화면 소리 막대(왼쪽 아래): 처음엔 '소리 켜기'만, 음악·휴식 중에는 곡 이름과 음량. 눈에 덜 띄게 흐리게 두고 가리키면 또렷하게 */
.stage-sound{position:fixed;left:24px;bottom:16px;z-index:7;display:flex;align-items:center;gap:12px;color:var(--wr-stage-accent);font-size:clamp(16px,1vw,20px)}
.stage-sound-btn{min-height:44px;padding:0 18px;border-radius:var(--wr-radius-pill);border:1px solid rgba(159,195,238,.45);background:rgba(255,255,255,.06);color:var(--wr-stage-text);font:600 clamp(16px,1vw,20px) var(--wr-font);cursor:pointer;opacity:.75;transition:opacity var(--wr-dur-fast) var(--wr-ease-out),background-color var(--wr-dur-fast) var(--wr-ease-out)}
.stage-sound-btn:hover,.stage-sound-btn:focus-visible{opacity:1;background:rgba(255,255,255,.12)}
.stage-sound :focus-visible{outline:2px solid var(--wr-stage-accent);outline-offset:2px}
.stage-sound-note{padding:10px 16px;border-radius:12px;background:rgba(255,210,138,.16);color:#ffd28a;font-weight:600;font-size:clamp(18px,1.2vw,24px)}
.stage-sound-panel{display:flex;align-items:center;gap:20px;opacity:.6;transition:opacity var(--wr-dur-fast) var(--wr-ease-out)}
.stage-sound:hover .stage-sound-panel,.stage-sound:focus-within .stage-sound-panel{opacity:1}
.stage-sound-panel label{display:flex;align-items:center;gap:8px;margin:0;font-weight:400;font-size:inherit;color:inherit;min-height:44px}
.stage-sound-panel input[type=range]{width:clamp(110px,8vw,160px);accent-color:var(--wr-stage-accent)}
.stage-sound-panel input[type=checkbox]{width:20px;height:20px;accent-color:var(--wr-stage-accent)}
.stage-sound-now{max-width:36vw;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}

/* 교육생 화면: 쉬는 시간 안내 띠. 화면을 막지 않고 닫을 수 있다 */
.break-banner{display:flex;align-items:center;gap:var(--wr-sp-3);margin:var(--wr-sp-3) max(16px,calc((100% - var(--room-wide,1200px)) / 2)) 0;padding:var(--wr-sp-3) var(--wr-sp-2) var(--wr-sp-3) var(--wr-sp-4);border:1px solid var(--wr-divider);border-left:4px solid var(--wr-primary);border-radius:var(--wr-radius-md);background:var(--wr-surface);color:var(--wr-text);animation:wr-rise var(--wr-dur-base) var(--wr-ease-out)}
@media (min-width:960px){.break-banner{margin-inline:max(24px,calc((100% - var(--room-wide,1200px)) / 2))}}
.break-banner-title{color:var(--wr-primary)}
.break-banner-when{font-weight:600}
.break-banner-sub{font-size:var(--wr-fs-14);color:var(--wr-text-muted)}
@media (prefers-reduced-motion:reduce){.break-banner{animation:none}}

/* 강사 콘솔 타이머: 종류 고르기, 바로 쉬는 시간, 음악 */
.tm-kinds{display:inline-flex;align-self:flex-start;border:1px solid var(--wr-border-input);border-radius:var(--wr-radius-sm);overflow:hidden}
.ck-timer-pop .tm-kinds .btn,.ck-timer-pop .tm-quick .btn,.ck-timer-pop .tm-presets .btn{justify-content:center}
.tm-kinds .btn{border-radius:0;min-width:76px}
.tm-kinds .btn+.btn{border-left:1px solid var(--wr-divider)}
.tm-kinds .btn[aria-pressed="true"]{background:var(--wr-surface-selected);color:var(--wr-primary-strong)}
.tm-quick .btn{flex:1}
.tm-music{display:grid;grid-template-columns:auto minmax(0,1fr);align-items:center;gap:var(--wr-sp-2);padding-top:var(--wr-sp-2);border-top:1px solid var(--wr-divider)}
.tm-music select:disabled{opacity:.5}
.ck-timer-kind{flex:none;margin-right:6px;padding:2px 8px;border-radius:var(--wr-radius-pill);background:var(--wr-surface-selected);color:var(--wr-primary);font-size:var(--wr-fs-12);font-weight:700;white-space:nowrap}
.ck-timer-break .ck-timer-kind{background:#e2f0f1;color:#0d4a57}
.ck-timer.no-label .timer-inline:not(.is-paused) .timer-label{display:none}
.ck-music-btn{font-size:var(--wr-fs-14)}
.ck-music-btn.is-on{color:#0d4a57}


/* 900px 이하: 타이머 종류 글자 대신 테두리 색으로(휴식은 청록). 화면 낭독기는 묶음 이름으로 종류를 읽는다 */
@media (max-width:900px){.ck-bar .ck-timer-kind{display:none}.ck-bar .ck-timer-break{border-color:#0d4a57;background:#e2f0f1}}


/* 수업안 교육생 화면 미리보기 서랍(넓은 서랍, 보기 크기 선택, 축소한 iframe) */
dialog.drawer.drawer-wide{width:min(780px,96vw)}
.pv-seg .btn[aria-pressed="true"]{background:var(--wr-surface-selected);color:var(--wr-text)}
.pv-box{width:100%;display:flex;justify-content:center}
.pv-scale{position:relative;overflow:hidden;border:1px solid var(--wr-divider);border-radius:var(--wr-radius-sm);background:var(--wr-bg);box-shadow:0 1px 2px rgba(15,28,46,.06)}
.pv-scale iframe{position:absolute;left:0;top:0;border:0;transform-origin:0 0;pointer-events:none}
.ck-rehearsal{align-self:center}


/* 수업안 화면: 제목과 '리허설·수업방 열기'를 스크롤해도 위에 붙여 둔다(활동 목록을 내려 보며 미리보기한 뒤 바로 열 수 있게) */
.plan-head{position:sticky;top:56px;z-index:var(--wr-z-sticky);background:var(--wr-canvas);padding:var(--wr-sp-2) 0;margin:calc(var(--wr-sp-2) * -1) 0;box-shadow:0 8px 8px -8px rgba(15,28,46,.12)}
@media (max-width:640px){.plan-head{position:static;box-shadow:none}}


/* 접속 점검: 점검 시각·브라우저 정보(강사에게 화면을 보여 줄 때 참고) */
.check-stamp{margin-top:6px;font-size:var(--wr-fs-12);overflow-wrap:anywhere}