:root{--bg:#0f172a;--panel:#1e293b;--panel2:#273549;--text:#e2e8f0;--muted:#94a3b8;--accent:#38bdf8;--good:#4ade80;--warn:#fbbf24;--bad:#f87171;--radius:14px}
*{box-sizing:border-box}
html,body{margin:0;height:100%;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Noto Sans KR",Roboto,sans-serif;font-size:16px}
body{display:flex;flex-direction:column;min-height:100dvh}
.top{display:flex;justify-content:space-between;align-items:center;padding:calc(env(safe-area-inset-top) + 12px) 16px 12px;background:var(--panel)}
.brand{font-weight:700}.brand span{font-weight:400;color:var(--muted)}
.status{font-size:12px;color:var(--muted)}.status.on{color:var(--good)}
main{flex:1;overflow-y:auto;padding:12px 16px 90px}
.tabs{position:fixed;bottom:0;left:0;right:0;display:flex;background:var(--panel);padding:6px 4px calc(env(safe-area-inset-bottom) + 6px)}
.tabs button{flex:1;background:none;border:0;color:var(--muted);font-size:13px;padding:8px 0}
.tabs button.active{color:var(--accent);font-weight:700}
.card{background:var(--panel);border-radius:var(--radius);padding:16px;margin-bottom:12px}
h2{margin:0 0 8px;font-size:17px}
.muted{color:var(--muted)}.small{font-size:13px}
label{display:block;margin:10px 0;font-size:14px;color:var(--muted)}
input,select{width:100%;padding:10px;border-radius:10px;border:1px solid #334155;background:var(--bg);color:var(--text);font-size:16px;margin-top:4px}
button{font:inherit;cursor:pointer;border-radius:10px;border:0;padding:10px 14px;background:var(--panel2);color:var(--text)}
button.primary{background:var(--accent);color:#06283d;font-weight:700}
button.ghost{background:transparent;border:1px solid #334155}
button:disabled{opacity:.4}
.row{display:flex;gap:8px;flex-wrap:wrap;margin:8px 0}
.list>div{padding:12px;border-radius:10px;background:var(--panel2);margin-bottom:8px}
.list .title{font-weight:700}.list .sub{font-size:13px;color:var(--muted);margin-top:4px}
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:8px;text-align:center}
.stats b{display:block;font-size:22px;color:var(--accent)}.stats span{font-size:12px;color:var(--muted)}
.bars div{display:flex;align-items:center;gap:8px;font-size:13px;margin:4px 0}
.bars i{display:block;height:10px;background:var(--accent);border-radius:5px}
/* talk */
.talk{display:flex;flex-direction:column;height:calc(100dvh - 290px)}
.scenario-bar{display:flex;justify-content:space-between;align-items:center;font-weight:700;margin-bottom:6px}
.targets{display:flex;gap:6px;flex-wrap:wrap;margin-bottom:8px}
.targets span{font-size:12px;background:var(--panel2);padding:4px 8px;border-radius:999px;color:var(--muted)}
.targets span.hit{color:var(--good);border:1px solid var(--good)}
.chat{flex:1;overflow-y:auto;display:flex;flex-direction:column;gap:10px;padding-bottom:8px}
.bubble{max-width:85%;padding:10px 14px;border-radius:16px;line-height:1.4}
.bubble.user{align-self:flex-end;background:#1d4ed8}
.bubble.tutor{align-self:flex-start;background:var(--panel2)}
.bubble.sys{align-self:center;background:transparent;color:var(--muted);font-size:13px}
.fb{align-self:flex-end;max-width:92%;background:#1f2937;border-left:4px solid var(--warn);border-radius:10px;padding:10px 12px;font-size:14px}
.fb .orig{color:var(--bad);text-decoration:line-through}.fb .corr{color:var(--good);font-weight:700}
.fb .ko{color:var(--muted);margin:4px 0}.fb .alt{font-size:13px}.fb .tag{font-size:11px;background:var(--panel2);padding:2px 6px;border-radius:6px;margin-right:4px}
.fb .actions{margin-top:6px;display:flex;gap:6px}.fb .actions button{padding:6px 10px;font-size:13px}
.mic-bar{text-align:center;padding-top:8px}
.mic{width:76px;height:76px;border-radius:50%;font-size:32px;background:var(--accent);color:#06283d;transition:transform .15s}
.mic.rec{background:var(--bad);animation:pulse 1s infinite}.mic.busy{background:var(--muted)}
@keyframes pulse{0%{transform:scale(1)}50%{transform:scale(1.08)}100%{transform:scale(1)}}
.mic-hint{font-size:12px;color:var(--muted);margin:6px 0}
.text-form{display:flex;gap:6px}.text-form input{margin:0}.text-form button{white-space:nowrap}
/* shadow */
.sentence{font-size:20px;line-height:1.5;padding:12px;background:var(--panel2);border-radius:10px;margin:8px 0}
.words{display:flex;flex-wrap:wrap;gap:6px;margin:10px 0}
.words span{padding:4px 8px;border-radius:8px;background:var(--panel2);font-size:15px}
.words .g{border-bottom:3px solid var(--good)}.words .w{border-bottom:3px solid var(--warn)}.words .b{border-bottom:3px solid var(--bad)}
.score{font-size:40px;font-weight:700;color:var(--accent)}
/* review */
.cue{font-size:18px;padding:12px;background:var(--panel2);border-radius:10px;margin:8px 0}
.result.ok{color:var(--good)}.result.ng{color:var(--bad)}
.toast{position:fixed;left:50%;bottom:100px;transform:translateX(-50%);background:#334155;padding:10px 16px;border-radius:10px;font-size:14px;z-index:9}
/* avatar */
.tutor-bar{display:flex;align-items:center;gap:10px;padding:8px 16px 4px;background:var(--panel)}
.avatar-wrap{display:flex;flex-direction:column;align-items:center;position:relative;flex:0 0 auto}
.tutor-bubble{flex:1;background:var(--panel2);border-radius:14px;padding:10px 12px;position:relative;min-height:56px}
.tutor-bubble:before{content:'';position:absolute;left:-8px;top:22px;border:8px solid transparent;border-right-color:var(--panel2);border-left:0}
.tutor-en{font-size:15px;line-height:1.35}
.tutor-ko{font-size:12.5px;color:var(--muted);margin-top:3px}
.tutor-actions{display:flex;gap:6px;margin-top:6px}.tutor-actions button{padding:5px 10px;font-size:13px}
.tabs button.hl{color:var(--warn);font-weight:700;animation:pulse 1s infinite}
.avatar-wrap svg{transition:transform .3s}
.avatar-status{font-size:12px;color:var(--muted);margin-top:-6px}
.avatar-wrap .eye{transform-origin:center;animation:blink 4.5s infinite}
@keyframes blink{0%,92%,100%{transform:scaleY(1)}95%{transform:scaleY(.08)}}
.avatar-wrap[data-state=idle] svg{animation:breathe 3.2s ease-in-out infinite}
@keyframes breathe{0%,100%{transform:translateY(0)}50%{transform:translateY(-3px)}}
.avatar-wrap[data-state=listening] svg{transform:scale(1.05)}
.avatar-wrap[data-state=listening] #av-ear{opacity:1;animation:pulse-ear 1s infinite}
@keyframes pulse-ear{0%,100%{opacity:.4}50%{opacity:1}}
.avatar-wrap[data-state=thinking] #av-think{opacity:1;animation:floaty 1.4s ease-in-out infinite}
.avatar-wrap[data-state=thinking] .pupil{transform:translate(2px,-3px)}
@keyframes floaty{0%,100%{transform:translateY(0)}50%{transform:translateY(-4px)}}
.avatar-wrap[data-state=speaking] .brow{transform:translateY(-2px)}
@media (max-height:700px){.avatar-wrap svg{width:72px;height:72px}}

/* tutor persona picker */
.tutor-pick{display:flex;gap:10px}
.tutor-pick button{flex:1;display:flex;align-items:center;gap:10px;padding:8px 10px;border:2px solid var(--line, #334155);border-radius:12px;background:transparent;color:inherit;cursor:pointer;text-align:left}
.tutor-pick button img{width:56px;height:70px;border-radius:8px;object-fit:cover;flex:0 0 auto}
.tutor-pick button b{display:block;font-size:14px}
.tutor-pick button span{font-size:12px;opacity:.7}
.tutor-pick button.on{border-color:#38bdf8;background:rgba(56,189,248,.08)}

/* 3D avatar */
.avatar3d{width:112px;height:140px;border-radius:14px;overflow:hidden;background:radial-gradient(circle at 50% 30%,#2b3a55,#16213a)}
.avatar3d canvas{width:100%!important;height:100%!important;display:block}
.avatar-wrap[data-state=listening] .avatar3d{box-shadow:0 0 0 2px #38bdf8}
.avatar-wrap[data-state=speaking] .avatar3d{box-shadow:0 0 0 2px #4ade80}
@media (max-height:700px){.avatar3d{width:88px;height:110px}}

/* scenario catalogue */
.chips{display:flex;flex-wrap:wrap;gap:6px;margin:6px 0 10px}
.chips button{padding:6px 11px;border-radius:999px;border:1px solid #334155;background:#1e293b;color:var(--text);font-size:13px;cursor:pointer}
.chips button.on{background:var(--accent);color:#0f172a;border-color:var(--accent);font-weight:600}
.topic-box .title{margin-bottom:6px}
.topic-box form{display:flex;gap:8px;margin:8px 0}
.topic-box form input{flex:1}

.accent-pick{margin:0 0 8px}
.chips button.dim{opacity:.5}

/* pronunciation feedback */
.tips{margin:8px 0 4px;padding-left:18px;font-size:13px;line-height:1.5}
.tips li{margin:2px 0}
.pron-hint{font-size:13px;color:var(--warn);margin:4px 0 8px;display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.pron-hint button{padding:3px 8px;font-size:12px}

/* ---- course / placement / practice (course.js) */
.banner{border-left:4px solid var(--accent)}
.banner button{margin-left:8px}
.level-tabs{margin:6px 0 10px}
.lvdesc{margin:0 0 8px}
.unit-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:10px}
.unit{background:#1e293b;border-radius:12px;padding:12px;display:flex;flex-direction:column;gap:6px;border:1px solid #334155}
.unit.passed{border-color:#4ade80}
.unit .uh{display:flex;flex-direction:column}
.unit .steps{display:flex;gap:4px;margin:auto 0 4px}   /* pinned to the bottom so the 시작 buttons line up across a row */
.unit .dot{width:30px;height:30px;border-radius:50%;background:#0f172a;display:inline-flex;align-items:center;justify-content:center;font-size:14px;opacity:.5}
.unit .dot.try{opacity:.9;box-shadow:inset 0 0 0 2px #fbbf24}
.unit .dot.done{opacity:1;box-shadow:inset 0 0 0 2px #4ade80}
.unit-head .stepper{display:flex;gap:6px;flex-wrap:wrap;margin-top:8px}
.unit-head .stepper button{padding:5px 9px;border-radius:999px;border:1px solid #334155;background:#1e293b;color:var(--text);font-size:12px}
.unit-head .stepper button.cur{border-color:var(--accent);background:rgba(56,189,248,.15)}
.unit-head .stepper button.done{border-color:#4ade80}
.step-body h2{margin-top:0}
.vlist .vrow{display:flex;justify-content:space-between;gap:8px;padding:8px 0;border-bottom:1px solid #1e293b;align-items:center}
.sc{min-width:28px;font-weight:700}.sc.g{color:#4ade80}.sc.w{color:#fbbf24}.sc.b{color:#f87171}
.quiz .q{margin:10px 0}.quiz .qt{font-weight:600;margin-bottom:4px}
.quiz .opts{display:flex;flex-direction:column;gap:4px}
.quiz label{display:flex;flex-direction:row;align-items:center;gap:8px;padding:6px 8px;border-radius:8px;background:#1e293b;cursor:pointer;font-size:14px;margin:0}
.quiz label input{width:auto;margin:0}
.listen-ctl label,.gen label,.pbody .row label{display:flex;flex-direction:row;align-items:center;gap:6px;margin:0}
.listen-ctl select,.gen select,.pbody select{width:auto}
.quiz label.right{background:rgba(74,222,128,.2)}.quiz label.wrong{background:rgba(248,113,113,.2)}
.score-line{font-weight:700;margin:8px 0;color:var(--accent)}
.passage .ptext p{line-height:1.7}
.passage .ptext.hidden{display:none}
.passage .w{cursor:pointer;border-radius:3px}.passage .w:hover{background:rgba(56,189,248,.2)}
.gloss{display:block;background:#0f172a;border:1px solid #334155;border-radius:8px;padding:8px;margin:6px 0;font-size:13px;line-height:1.5}
.listen-ctl{margin-bottom:8px}
.dict textarea{width:100%;margin:6px 0}
.diffw .ok{color:#4ade80}.diffw .bad{color:#f87171;text-decoration:underline}
.shadowbox .sent{font-size:18px;margin:8px 0;line-height:1.5}
.shadowbox .prog{font-size:12px;opacity:.7}
.pairs .pair{display:flex;align-items:center;gap:8px;padding:6px 0;border-bottom:1px solid #1e293b}
.pairs .pw{min-width:70px;font-weight:600}.pairs .vs{opacity:.5}
.mode-tabs,.sub-tabs{margin:4px 0 12px}
.course-card .bar{height:8px;background:#0f172a;border-radius:4px;overflow:hidden;margin:6px 0 10px}
.course-card .bar div{height:100%;background:var(--accent)}
.lvl{color:var(--accent)}
.gen input{flex:1;min-width:160px}
.chip{display:inline-block;padding:4px 10px;border-radius:999px;background:#1e293b;font-size:12px}

/* passage: hover meaning + translation */
.passage{position:relative}
.wtip{position:absolute;z-index:5;background:#0f172a;border:1px solid var(--accent);color:var(--text);border-radius:6px;padding:3px 8px;font-size:12px;white-space:nowrap;pointer-events:none}
.wtip.hidden{display:none}
.ko-line{display:none;color:#94a3b8;font-size:13px;margin:-6px 0 10px;padding-left:10px;border-left:2px solid #334155;line-height:1.5}
.ptext.show-ko .ko-line{display:block}

/* ---- extras: motivation, stats, report, fluency, hints, wordbook, workplace practice */
.moti .streak{font-size:18px}.moti .streak b{font-size:26px;color:var(--warn)}
.goal-row{display:flex;align-items:center;gap:10px;margin:8px 0;font-size:14px}.goal-row .bar{flex:1;height:8px;background:#0f172a;border-radius:4px;overflow:hidden}.goal-row .bar div{height:100%;background:var(--warn)}
.weekbars{display:flex;gap:6px;justify-content:space-between;margin-top:6px}
.weekbars .wd{flex:1;text-align:center;font-size:11px;color:var(--muted)}.weekbars .wd i{display:block;margin:0 auto 4px;width:70%;background:#334155;border-radius:4px}
.weekbars .wd.on i{background:var(--accent)}.weekbars .wd.today span{color:var(--text);font-weight:700}
button.small{padding:5px 9px;font-size:12px}
.overlay{position:fixed;inset:0;background:rgba(2,6,23,.75);z-index:50;display:flex;align-items:flex-start;justify-content:center;padding:24px 12px;overflow:auto}
.modal{width:min(560px,100%);max-height:90vh;overflow:auto}.modal.wide{width:min(760px,100%)}.modal .close{float:right}
.kpis{display:grid;grid-template-columns:repeat(auto-fit,minmax(80px,1fr));gap:8px;text-align:center;margin:10px 0}
.kpis b{display:block;font-size:20px;color:var(--accent)}.kpis span{font-size:11px;color:var(--muted)}.kpis.small b{font-size:16px}
.vbars{display:flex;gap:3px;align-items:flex-end;height:80px;margin:8px 0}.vbars>div{flex:1;text-align:center;display:flex;flex-direction:column;justify-content:flex-end;align-items:center;min-width:14px}
.vbars i{display:block;width:80%;border-radius:3px 3px 0 0;min-height:2px}.vbars span{font-size:9px;color:var(--muted);margin-top:3px;white-space:nowrap}
table.trend{width:100%;border-collapse:collapse;font-size:14px;margin:6px 0}table.trend th{color:var(--muted);font-weight:400;text-align:left;font-size:12px;padding:4px}table.trend td{padding:5px 4px;border-top:1px solid #334155;vertical-align:top}
.good{color:var(--good)}.warn{color:var(--warn)}.bad{color:var(--bad)}
.score-pill{font-size:13px;padding:2px 8px;border-radius:999px;background:var(--panel2);margin-left:6px}
.sess-list>div{cursor:pointer}
.report{align-self:stretch;background:#111c33;border:1px solid #334155;border-radius:12px;padding:14px;font-size:14px;margin:8px 0}
.report h3{margin:0}.report h4{margin:12px 0 4px;color:var(--accent);font-size:14px}.report ul,.report ol{margin:4px 0;padding-left:20px}.report li{margin:3px 0}
.ring{width:64px;height:64px;border-radius:50%;border:4px solid var(--accent);display:flex;flex-direction:column;align-items:center;justify-content:center;line-height:1}.ring b{font-size:22px}.ring span{font-size:10px;color:var(--muted)}
.ring.good{border-color:var(--good)}.ring.warn{border-color:var(--warn)}.ring.bad{border-color:var(--bad)}
.corr-list s{color:var(--bad)}
.ub-tools{display:flex;gap:4px;margin-top:6px;flex-wrap:wrap}.ub-tools button{padding:2px 7px;font-size:11px;background:rgba(255,255,255,.12)}
.flu{align-self:flex-end;font-size:12px;color:var(--muted);margin:-4px 4px 4px 0}
.bubble.tutor .tw{cursor:pointer;border-radius:3px}.bubble.tutor .tw:hover{background:rgba(56,189,248,.25)}
.wpop{display:inline-flex;gap:4px;align-items:center;background:#0f172a;border:1px solid var(--accent);border-radius:8px;padding:3px 6px;margin:0 4px;font-size:12px}
.hints{align-self:stretch;background:#0b1426;border-left:4px solid var(--accent);border-radius:10px;padding:10px;font-size:14px}
.hints .hint{margin:8px 0;padding:8px;background:var(--panel);border-radius:8px}.hints .hint .en{font-weight:700;margin:4px 0}
#hint-btn{margin:0 6px}
.words .mode-tabs{margin:8px 0}
.fcard{background:var(--panel2);border-radius:14px;padding:16px;text-align:center}
.fcard .face{min-height:110px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:6px;cursor:pointer}
.fcard .front b{font-size:28px}.fcard .mean{font-size:22px;font-weight:700}.fcard .ex{margin-top:6px;color:var(--muted)}
.fcard .grade{justify-content:center;margin-top:10px}.fcard .grade button.bad{background:#7f1d1d}.fcard .grade button.good{background:#14532d}
.wlist .ex{font-style:italic}
.docform textarea{width:100%;padding:10px;border-radius:10px;border:1px solid #334155;background:var(--bg);color:var(--text);font:inherit;font-size:15px;margin:6px 0;resize:vertical}
.docform .row label{flex:1;margin:4px 0}
.docres{background:var(--panel2);border-radius:12px;padding:12px;margin:10px 0;font-size:14px}.docres h3{margin:0 0 6px}.docres h4{margin:10px 0 4px;color:var(--accent)}
.vchips{display:flex;flex-wrap:wrap;gap:6px}.vchip{background:var(--panel);border-radius:8px;padding:4px 8px;font-size:13px;display:inline-flex;gap:4px;align-items:center}.vchip button{padding:1px 5px;font-size:11px}
ul.sents,ul.phr{padding-left:18px}ul.sents li,ul.phr li{margin:5px 0}
ol.qa li{margin:8px 0}ol.qa .q{font-weight:700}ol.qa .ans{background:var(--panel);border-radius:8px;padding:6px 8px;margin-top:4px}
pre.mail{white-space:pre-wrap;background:var(--bg);border-radius:10px;padding:12px;font:inherit;font-size:14px;line-height:1.55;margin:6px 0}
table.changes td s{color:var(--bad)}
.hidden{display:none}
@media (max-width:640px){.docform .row{flex-direction:column}.kpis{grid-template-columns:repeat(3,1fr)}}

/* ---- exam prep */
.exam-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:10px;margin-top:8px}
.exam-card{background:var(--panel2);border-radius:12px;padding:12px;display:flex;flex-direction:column;gap:6px}.exam-card .title{font-weight:700;font-size:16px}.exam-card .row{margin-top:auto}
.exam-run .progress{display:flex;align-items:center;gap:8px;margin:6px 0}.exam-run .progress .bar{flex:1;height:6px;background:#0f172a;border-radius:3px;overflow:hidden}.exam-run .progress .bar div{height:100%;background:var(--accent)}
.exam-run .sec-title{color:var(--accent);font-weight:700;margin:8px 0}
.exam-run .qhead{font-weight:700;margin:6px 0}.exam-run .qtext{font-size:18px;line-height:1.6;background:var(--panel2);border-radius:10px;padding:12px;margin:8px 0}
.exam-run .scene{background:#1f2937;border:1px dashed #475569;border-radius:10px;padding:12px;font-size:15px;line-height:1.6}
.exam-run .qphoto{max-width:100%;max-height:360px;border-radius:10px;display:block}
.exam-run .info-table pre,.exam-run .passage-box pre{white-space:pre-wrap;font:inherit;background:var(--bg);border-radius:10px;padding:10px;line-height:1.5}
.exam-run .cue{background:var(--panel2);border-radius:10px;padding:12px}.exam-run .cue ul{margin:4px 0 0;padding-left:20px}
.timer{margin:10px 0}.timer .tlabel{font-size:13px;color:var(--muted)}.timer .tbar{height:10px;background:#0f172a;border-radius:5px;overflow:hidden;margin:4px 0}.timer .tbar div{height:100%;background:var(--warn);transition:width .2s linear}.timer.rec .tbar div{background:var(--bad)}.timer .tnum{font-size:22px;font-weight:700;text-align:right}
.exam-run .opts{display:flex;flex-direction:column;gap:6px;margin:8px 0}.exam-run .opt{text-align:left;background:var(--panel2)}.exam-run .opt.on{outline:2px solid var(--accent);background:#0c4a6e}
.exam-report h4{margin:12px 0 4px;color:var(--accent)}
.qres{border-top:1px solid #334155;padding:10px 0}.qres .my{background:var(--panel2);border-radius:8px;padding:8px;margin:6px 0;font-size:14px}.qres .model{background:#0b1426;border-left:3px solid var(--good);border-radius:8px;padding:8px;margin-top:6px}
.qres.ok .qhead{color:var(--good)}.qres.ng .qhead{color:var(--bad)}.qres li.good{color:var(--good)}.qres li.bad{color:var(--bad)}
.chips.multi button.on{background:var(--accent);color:#06283d}

/* ---- phone layout */
#hf-btn{margin-left:6px;font-size:12px}#hf-btn.on{border:1px solid var(--good);color:var(--good)}
@media (max-width:640px){
  main{padding:10px 10px 96px}
  .card{padding:12px;border-radius:12px}
  .stats{grid-template-columns:repeat(4,1fr);gap:4px}.stats b{font-size:18px}
  .tabs button{font-size:12px;padding:8px 0}
  .tutor-pick{flex-wrap:wrap}.tutor-pick button{flex:1 1 45%}
  .mic-bar{position:sticky;bottom:0;background:var(--bg);padding-top:6px}
  .mic{width:84px;height:84px;font-size:36px}
  .text-form input{font-size:16px}
  .exam-grid{grid-template-columns:1fr}
  .unit-grid{grid-template-columns:1fr 1fr}
  table.trend{display:block;overflow-x:auto;white-space:nowrap}
  .vbars span{display:none}.vbars>div:nth-child(5n+1) span{display:block}
  .report .kpis,.kpis{grid-template-columns:repeat(3,1fr)}
  .overlay{padding:8px}.modal{max-height:94vh}
  .exam-run .qtext{font-size:16px}
  .chat{max-height:none}
}
@media (max-width:400px){.tabs button{font-size:11px}.stats b{font-size:16px}}

/* ---- accounts / admin */
.auth .sub-tabs{margin-bottom:10px}.auth form{display:flex;flex-direction:column}.auth form.hidden{display:none}
.acct .row{justify-content:space-between;align-items:center;flex-wrap:wrap;gap:8px}
table.admin{width:100%;border-collapse:collapse;font-size:13px}table.admin th{text-align:left;color:var(--muted);font-weight:400;padding:4px;border-bottom:1px solid #334155}table.admin td{padding:5px 4px;border-bottom:1px solid #1f2937;vertical-align:middle}
table.admin tr.off td{opacity:.5}table.admin .btns button{padding:3px 7px;font-size:11px;margin:1px}
.admin-wrap{overflow-x:auto}
/* ---- desktop width */
@media (min-width:900px){main{width:100%;max-width:960px;margin:0 auto;box-sizing:border-box}}
/* ---- scenario warm-up (prep.js) */
.prep .steps-nav{margin:8px 0}.prep .steps-nav button.on{background:var(--accent);color:#06202a;font-weight:700}
.dlg{display:flex;flex-direction:column;gap:8px;margin:10px 0}
.dl{display:flex;gap:8px;align-items:flex-start;padding:8px 10px;border-radius:12px;background:var(--panel2);max-width:92%}
.dl.learner{align-self:flex-end;background:#1d4ed8}
.dl .who{font-size:11px;color:var(--muted);min-width:28px;padding-top:3px}.dl.learner .who{color:#cfe2ff}
.dl .txt{flex:1}.dl .ko{display:none;font-size:13px;color:var(--muted);margin-top:2px}.dl.learner .ko{color:#cfe2ff}
.dlg.show-ko .ko{display:block}
.dl button{padding:2px 8px}
.prep-body .row.end{justify-content:flex-end;margin-top:10px}
button.big{font-size:16px;padding:12px 18px}
/* ---- home to-do + 7 tabs */
.todo{display:flex;flex-direction:column;gap:6px}
.todo-item{display:flex;align-items:center;gap:10px;padding:10px 12px;border-radius:12px;background:var(--panel2);cursor:pointer}
.todo-item.hot{border:1px solid var(--accent)}
.todo-item .ic{font-size:20px;width:28px;text-align:center}.todo-item>div{flex:1}.todo-item .go{color:var(--muted);font-size:20px}
.tabs button{font-size:12px;padding:8px 0}
@media (max-width:400px){.tabs button{font-size:10.5px;letter-spacing:-.3px}}
#talk-pick h2{margin:4px 0 2px}
/* ---- voice picker */
.voice-btn{margin-top:8px}
.voice-modal{max-width:560px}
.vlist{display:flex;flex-direction:column;gap:6px;margin:8px 0}
.voice-row{display:flex;align-items:center;gap:10px;padding:8px 10px;border-radius:10px;background:var(--panel2);border:1px solid transparent}
.voice-row.on{border-color:var(--accent)}
.voice-row .vinfo{flex:1}.voice-row .vinfo b{display:block}
.vtext{flex:1}
/* ---- admin voice upload */
.vform{display:grid;grid-template-columns:1fr 1fr;gap:6px;margin:8px 0}.vform input[type=file]{grid-column:1/-1}.vform button{grid-column:1/-1}
/* ---- desktop 2-pane layout (>=1000px): left = tutor (avatar, bubble, mic, tabs), right = content */
.side-dock{display:none}
@media (min-width:1000px){
  body{display:grid;grid-template-columns:minmax(360px,34%) 1fr;grid-template-rows:auto 1fr auto;height:100dvh;min-height:0}
  .top{grid-column:1;grid-row:1;padding:14px 20px}
  .tutor-bar{grid-column:1;grid-row:2;flex-direction:column;align-items:stretch;gap:14px;padding:6px 20px 12px;overflow-y:auto;min-height:0;border-right:1px solid #1f2a44}
  .avatar-wrap{width:100%}
  .avatar3d{width:min(100%,46vh);aspect-ratio:4/5;height:auto;max-height:46vh;border-radius:18px}
  .avatar-status{margin-top:2px}
  .tutor-bubble{flex:0 0 auto;min-height:72px;padding:12px 14px}
  .tutor-bubble:before{left:50%;top:-8px;margin-left:-8px;border:8px solid transparent;border-top:0;border-bottom-color:var(--panel2)}
  .tutor-en{font-size:17px;line-height:1.4}.tutor-ko{font-size:13.5px}
  .side-dock.on{display:block;margin-top:auto}
  .side-dock .mic-bar{position:static;background:transparent;padding:8px 0 0;text-align:center}
  .side-dock .mic{width:92px;height:92px;font-size:40px}
  .side-dock .mic-hint{font-size:12.5px;min-height:34px}
  .side-dock .text-form{margin-top:8px}
  .tabs{grid-column:1;grid-row:3;position:static;padding:6px 10px 10px;border-right:1px solid #1f2a44;flex-wrap:wrap}
  .tabs button{font-size:13px;padding:10px 0;border-radius:10px}.tabs button.active{background:var(--panel2)}
  main{grid-column:2;grid-row:1/4;max-width:none;width:auto;margin:0;padding:22px 32px 28px;overflow-y:auto;min-height:0}
  main>*{max-width:1040px;margin-left:auto;margin-right:auto}
  .talk .mic-bar{display:none}                     /* moved into the left pane by dockMicBar() */
  .chat{max-height:none}
  .unit-grid{grid-template-columns:repeat(3,1fr)}
  .exam-grid{grid-template-columns:repeat(3,1fr)}
  .tutor-pick button{flex:1 1 22%}
}
@media (min-width:1400px){body{grid-template-columns:minmax(400px,30%) 1fr}.avatar3d{max-height:50vh}}
.next-scn{align-self:center;margin:6px 0 12px}
/* ---- review fixes (2026-11-10) */
.fcard .face.hidden{display:none}
#talk-live{display:flex;flex-direction:column;flex:1;min-height:0}
.wordbook .row{flex-wrap:wrap}
body.no-auth .tabs{display:none}
.bubble,.sentence,.qtext,.dl .en,.dl .ko,.tutor-en{overflow-wrap:anywhere}
@media (max-width:640px){.mic-bar{bottom:calc(env(safe-area-inset-bottom) + 58px)}}