:root{--bg:#0b0d11;--card:#13171e;--card2:#181d26;--line:#232a35;--text:#e6e9ef;--muted:#8a93a3;--accent:#ff4d3a;--accent2:#ff9f1c;--blue:#3fb6ff;--radius:14px;
  --font:system-ui,-apple-system,"Apple SD Gothic Neo","Malgun Gothic","Noto Sans KR","Nanum Gothic",sans-serif}
*{box-sizing:border-box}
html,body{margin:0;background:var(--bg);color:var(--text);font-family:var(--font);font-size:14px;line-height:1.5}
.muted{color:var(--muted)} .sm{font-size:12px} .hidden{display:none!important}
button,select,input{font-family:inherit;color:inherit}
.topbar{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:12px 18px;border-bottom:1px solid var(--line);background:#0e1116}
.brand{font-weight:700;font-size:17px;letter-spacing:-.2px}.logo{color:var(--accent)}
.beta{font-size:11px;font-weight:600;padding:2px 8px;border-radius:99px;background:#2a1714;color:#ff8a78;margin-left:6px;vertical-align:middle}
.hint{font-size:12px}
.app{display:grid;grid-template-columns:230px minmax(0,1fr) 330px;gap:12px;padding:12px;align-items:start}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:14px}
.card-title,.side-title{font-size:12px;font-weight:700;color:var(--muted);text-transform:uppercase;letter-spacing:.6px;margin-bottom:10px}
.sidebar{position:sticky;top:12px;padding:12px}
.ex-group{margin-bottom:12px}.ex-group-title{font-size:12px;color:var(--muted);margin:6px 4px}
.ex-item{display:flex;flex-direction:column;align-items:flex-start;width:100%;text-align:left;background:transparent;border:1px solid transparent;border-radius:10px;padding:8px 10px;cursor:pointer;margin-bottom:2px}
.ex-item:hover{background:var(--card2)}
.ex-item.active{background:linear-gradient(90deg,#2a1513,#1a1416);border-color:#5a2a24}
.ex-name{font-weight:600}.ex-en{font-size:11px;color:var(--muted)}
.stage{display:flex;flex-direction:column;gap:12px;min-width:0}
.viewport{position:relative;height:calc(100vh - 90px);min-height:520px;padding:0;overflow:hidden}
body.cardio .viewport{height:62vh;min-height:460px}
.viewport canvas{display:block;border-radius:var(--radius);position:absolute;inset:0;width:100%!important;height:100%!important;touch-action:none}
.ov{position:absolute;z-index:2;pointer-events:none}.ov *{pointer-events:auto}
.ov-tl{top:14px;left:16px}.ov-tr{top:14px;right:14px;display:flex;flex-direction:column;align-items:flex-end;gap:8px}
.ex-title{font-size:22px;font-weight:800;letter-spacing:-.4px}.ex-sub{font-size:12px;margin-top:-2px}
.phase-label{display:inline-block;margin-top:10px;padding:6px 12px;border-radius:99px;font-weight:700;font-size:13px;background:#222833;border:1px solid #333b48}
.phase-label.con{background:#3a1512;border-color:#7a2a22;color:#ffb3a8}
.phase-label.ecc{background:#12243a;border-color:#244a7a;color:#a8d4ff}
.phase-label.iso{background:#2a2a2f;color:#d5d8de}
.phase-label.top{background:#2a2412;border-color:#6b5a22;color:#ffe2a0}
.seg-btns{display:flex;background:rgba(19,23,30,.85);border:1px solid var(--line);border-radius:10px;overflow:hidden;backdrop-filter:blur(6px)}
.seg-btns button{background:none;border:0;padding:6px 10px;cursor:pointer;font-size:12px}.seg-btns button:hover{background:#232a35}
.seg-btns.mode{padding:4px 8px;gap:10px;font-size:12px}.seg-btns.mode label{cursor:pointer;display:flex;align-items:center;gap:4px}
.chk{font-size:12px;background:rgba(19,23,30,.85);border:1px solid var(--line);border-radius:10px;padding:5px 10px;display:flex;gap:6px;align-items:center;cursor:pointer}
.hr-chip{background:rgba(58,21,18,.9);border:1px solid #7a2a22;border-radius:99px;padding:5px 12px;font-size:13px}.hr-chip b{font-size:16px}
.heart{color:#ff4d3a;display:inline-block;animation:beat 0.8s infinite}
@keyframes beat{0%,100%{transform:scale(1)}15%{transform:scale(1.25)}30%{transform:scale(1)}}
.controls{position:absolute;left:12px;right:12px;bottom:12px;z-index:2;display:flex;align-items:center;gap:10px;flex-wrap:wrap;background:rgba(14,17,22,.88);border:1px solid var(--line);border-radius:12px;padding:8px 12px;backdrop-filter:blur(6px)}
.btn{background:#232a35;border:1px solid #2e3643;border-radius:9px;padding:6px 12px;cursor:pointer;font-weight:600}.btn:hover{background:#2b3341}
.btn.play{width:40px;height:34px;padding:0;background:var(--accent);border-color:var(--accent);color:#fff}
.btn.sm{font-size:12px;padding:5px 10px;margin-top:6px}
select{background:#232a35;border:1px solid #2e3643;border-radius:9px;padding:6px 8px}
.timeline{position:relative;flex:1;min-width:200px;height:26px}
.phase-bar{position:absolute;left:0;right:0;top:9px;height:8px;border-radius:4px;overflow:hidden;background:#232a35}
.seg{position:absolute;top:0;bottom:0;border-right:1px solid #0e1116}
.seg.con,.k.con{background:#d8392b}.seg.ecc,.k.ecc{background:#2f7cf6}.seg.iso,.k.iso{background:#5b6270}.seg.top,.k.top{background:#e0b030}
.playhead{position:absolute;top:3px;width:3px;height:20px;background:#fff;border-radius:2px;transform:translateX(-1px);box-shadow:0 0 8px #fff8;pointer-events:none}
.timeline input{position:absolute;inset:0;width:100%;opacity:0;cursor:pointer;margin:0}
.ph-leg{font-size:11px;color:var(--muted);display:flex;align-items:center;gap:4px}.k{display:inline-block;width:10px;height:6px;border-radius:2px;margin-left:6px}
.tooltip{position:absolute;z-index:5;max-width:300px;background:rgba(14,17,22,.96);border:1px solid #3a4250;border-radius:12px;padding:10px 12px;font-size:13px;pointer-events:none;box-shadow:0 8px 30px #0008}
.d-head b{font-size:16px}.d-role{margin:6px 0;display:flex;align-items:center;gap:8px;flex-wrap:wrap}.d-act b{color:#ffb08a}
.d-note{background:#1d1416;border-left:3px solid var(--accent);padding:6px 8px;border-radius:6px;margin:6px 0}
.d-fn{font-size:12.5px}
.role{display:inline-block;font-size:11px;font-weight:700;padding:1px 8px;border-radius:99px;white-space:nowrap}
.role.prime{background:#3a1220;color:#ff6b88;border:1px solid #7a2238}
.role.syn{background:#3a2a12;color:#ffbe5c;border:1px solid #7a5a22}
.role.stab{background:#241a3a;color:#c9a8ff;border:1px solid #4a3a7a}
.role.str{background:#10302a;color:#5cf0c4;border:1px solid #1f6a58}
.ex-chip.str{border-color:#1f6a58;color:#5cf0c4}
.role.none{background:#22262d;color:#99a}
.roles{display:flex;gap:6px;flex-wrap:wrap;align-items:center;margin-top:10px}.roles.big{display:block;line-height:2}
.grad{height:10px;border-radius:5px;background:linear-gradient(90deg,#a3554a,#c0402f 30%,#d8281c 60%,#ff9a1f)}
.grad-l{display:flex;justify-content:space-between;font-size:11px;color:var(--muted);margin-top:4px}
.info{display:flex;flex-direction:column;gap:12px}
.info p{margin:0 0 8px}.cues{margin:0;padding-left:18px;color:#c7cdd8}.cues li{margin:2px 0}
.m-row{padding:6px 8px;border-radius:9px;cursor:pointer;border:1px solid transparent}.m-row:hover{background:var(--card2)}.m-row.sel{border-color:#00e5ff;background:#0f2228;box-shadow:0 0 0 1px #00e5ff55}
.m-top{display:flex;align-items:center;gap:8px}.m-name{font-weight:600;flex:1}.m-val{font-variant-numeric:tabular-nums;font-size:12px;color:var(--muted);width:34px;text-align:right}
.m-bar{position:relative;height:6px;background:#232a35;border-radius:3px;margin-top:4px}.m-bar i{position:absolute;left:0;top:0;bottom:0;border-radius:3px;transition:width .08s linear}
.m-bar s{position:absolute;top:-2px;width:2px;height:10px;background:#ffffff55}
.disclaimer{font-size:11.5px;color:var(--muted);margin:10px 0 0;line-height:1.5}
/* 유산소 패널 */
.aerobic{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:16px}
.aero-head h3{margin:0 0 4px;font-size:18px}.tag{font-size:11px;font-weight:600;background:#12283a;color:#7ccbff;padding:2px 8px;border-radius:99px;margin-left:6px;vertical-align:middle}
.aero-head p{margin:0 0 12px;font-size:13px}
.aero-grid{display:grid;grid-template-columns:minmax(0,1.6fr) minmax(260px,1fr);gap:12px}
.aero-grid .card{background:var(--card2)}
.mech-svg{width:100%;height:auto;display:block}
.mech-svg .lbl{fill:#d5dae3;font-size:12px;font-weight:600}.mech-svg .lbl.sub{fill:#8a93a3;font-weight:400;font-size:11px}.mech-svg .lbl.tiny{font-size:10px;fill:#aab5c8;font-weight:400}
.vessel{fill:none;stroke-width:9;stroke-linecap:round;opacity:.55}.vessel.art{stroke:#8e1f1c}.vessel.ven{stroke:#3a3478}.vessel.pul{stroke:#4a3a78}
.cap{fill:none;stroke:#6a2440;stroke-width:3.5;opacity:.7}
.atp{fill:#7dffb0;font-size:10px;font-weight:800}.atp.gly{fill:#ffb15c}
.steps{display:grid;grid-template-columns:1fr 1fr;gap:6px 14px;font-size:12px;color:#c7cdd8;margin-top:8px}.steps b{color:#fff}
.aero-side{display:flex;flex-direction:column;gap:12px}
.ctrl label{display:flex;justify-content:space-between;font-size:13px;margin-top:4px}.ctrl label b{color:#ffb08a}
.ctrl input[type=range]{width:100%;accent-color:var(--accent)}
.ticks{display:flex;justify-content:space-between;font-size:10.5px;color:var(--muted);margin:-2px 0 8px}
.zone{margin-top:8px;font-size:12.5px;padding:6px 10px;border-radius:8px;background:#1d2430;border:1px solid #2a3442}
.stats{display:grid;grid-template-columns:1fr 1fr;gap:8px}
.stat{background:#11151b;border:1px solid var(--line);border-radius:10px;padding:8px 10px;display:flex;flex-direction:column}
.stat span{font-size:11.5px;color:var(--muted)}.stat b{font-size:20px;font-variant-numeric:tabular-nums;line-height:1.2}.stat b.sm{font-size:13px;line-height:1.4}.stat small{font-size:10.5px;color:var(--muted)}
.bar-title{font-size:12px;font-weight:700;color:#c7cdd8;margin-bottom:6px}
.stack{display:flex;height:16px;border-radius:8px;overflow:hidden;background:#232a35}.stack i{display:block;height:100%;transition:width .15s}
i.pc{background:#ffd166}i.gly{background:#ff8c42}i.aer{background:#2ec4b6}i.fat{background:#f4d35e}i.cho{background:#ee6c4d}
.stack-leg{display:flex;gap:12px;flex-wrap:wrap;font-size:11.5px;margin-top:5px;color:#c7cdd8}.stack-leg i{display:inline-block;width:9px;height:9px;border-radius:2px;margin-right:4px;vertical-align:-1px}
.chart canvas{width:100%;height:180px;display:block}
@media (max-width:1250px){.app{grid-template-columns:210px minmax(0,1fr)}.info{grid-column:1/-1;display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr))}}
@media (max-width:900px){.aero-grid{grid-template-columns:1fr}}
@media (max-width:760px){.app{grid-template-columns:minmax(0,1fr);padding:8px}.info{grid-template-columns:minmax(0,1fr)}.topbar{padding:10px 12px}.sidebar{position:static}#exList{display:flex;overflow-x:auto;gap:6px}.ex-group{display:flex;gap:4px;margin:0}.ex-group-title{display:none}.ex-item{white-space:nowrap;width:auto}.ex-en{display:none}
  .viewport{height:70vh;min-height:420px}.hint{display:none}.ph-leg{display:none}.ov-tr{transform:scale(.9);transform-origin:top right}.steps{grid-template-columns:1fr}}

.effects{margin-top:12px}
.eff-sum{margin:0 0 10px;line-height:1.55}
.eff-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:8px}
.eff-chip{background:var(--card2);border:1px solid var(--line);border-radius:10px;padding:8px 10px;font-size:12.5px;line-height:1.45}
.eff-chip b{display:inline-block;color:#fff;background:linear-gradient(90deg,#b4433a,#d8281c);border-radius:999px;padding:1px 9px;font-size:11.5px;margin-bottom:4px}
.eff-chip span{display:block;color:#cfd4dc}
.eff-h{font-size:12.5px;font-weight:700;margin:12px 0 4px;color:var(--blue)} .eff-h.ok{color:#5fd38d} .eff-h.bad{color:#ff7a6a}
.eff-cols{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.effects ul{margin:0;padding-left:18px;font-size:12.5px;line-height:1.6;color:#cfd4dc}
.eff-phys{background:#121a24;border:1px solid #1f3247;border-radius:10px;padding:2px 12px 8px;margin-top:10px}
.credits{margin:8px 2px 0;font-size:11px}.credits a{color:var(--muted)}
@media (max-width:760px){.eff-cols{grid-template-columns:1fr}}

.sel-key{font-size:11.5px;color:var(--muted);margin-top:8px;display:flex;align-items:center;gap:6px}.sel-sw{display:inline-block;width:14px;height:14px;border-radius:4px;border:2px solid #00e5ff;box-shadow:0 0 8px #00e5ff;background:#8494a6}

.anatomy{margin-top:12px}
.ana-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:10px}
.ana-sec{background:var(--card2);border:1px solid var(--line);border-radius:10px;padding:2px 12px 10px}
.ana-item{font-size:12.5px;line-height:1.5;margin-top:6px}.ana-item b{display:block;color:#fff;font-size:12.5px}.ana-item span{color:#cfd4dc}
.cat-head{display:flex;align-items:flex-end;justify-content:space-between;gap:10px;margin-top:14px;flex-wrap:wrap}
.cat-tabs{display:flex;gap:4px}.cat-tabs button{background:var(--card2);color:var(--text);border:1px solid var(--line);border-radius:8px;padding:4px 10px;font-size:12px;cursor:pointer}
.cat-tabs button.on{border-color:#00e5ff;color:#00e5ff}
.cat-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:8px;margin-top:8px}
.cat-card{background:var(--card2);border:1px solid var(--line);border-radius:10px;padding:9px 11px;cursor:pointer;font-size:12.5px;line-height:1.5;transition:border-color .15s}
.cat-card:hover{border-color:#3a4a5a}.cat-card.sel{border-color:#00e5ff;box-shadow:0 0 0 1px #00e5ff66,0 0 14px #00e5ff33;background:#0f2228}
.cat-top{display:flex;gap:6px;align-items:baseline;flex-wrap:wrap}.cat-top b{font-size:14px;color:#fff}.cat-top .muted{font-size:11.5px}
.face{margin-left:auto;font-size:10.5px;padding:0 7px;border-radius:99px;border:1px solid #3a4655;color:#9fb2c6}.face.back{color:#c9b8ff;border-color:#4a3a7a}
.cat-loc{color:#cfd4dc;margin-top:3px}.cat-fn{color:#cfd4dc;margin-top:3px}
.cat-ex{display:flex;flex-wrap:wrap;gap:4px;margin-top:6px}
.ex-chip{font-size:11px;border-radius:99px;padding:1px 8px;cursor:pointer;background:#1c2029;border:1px solid #3a4250;color:#dde}
.ex-chip.prime{border-color:#7a2238;color:#ff8aa3}.ex-chip.syn{border-color:#7a5a22;color:#ffc56b}
.cat-extra{margin-top:10px}
body.anatomy-page .viewport{height:74vh;min-height:500px}

.search{width:100%;box-sizing:border-box;background:var(--card2);border:1px solid var(--line);color:var(--text);border-radius:9px;padding:7px 10px;font-size:12.5px;margin-bottom:8px;outline:none}
.search:focus{border-color:#00e5ff}
.ex-group-title .cnt{font-size:10.5px;color:#5d6675;margin-left:2px}
.sidebar{max-height:calc(100vh - 80px);overflow-y:auto}
/* 재활·교정 */
.area-bar{display:flex;flex-wrap:wrap;gap:4px;align-items:center;margin:2px 4px 8px}
.rehab-group{border:1px solid #1f4a42;background:#0f1717;border-radius:12px;padding:4px 4px 6px}
.rehab-group .ex-group-title{color:#5cf0c4}
@media (max-width:760px){.rehab-group{padding:2px 4px;align-items:center}.rehab-group .area-bar{flex-wrap:nowrap;margin:0 4px 0 0;white-space:nowrap}}
.area-bar button{font-size:11px;border-radius:99px;padding:2px 9px;cursor:pointer;background:#1c2029;border:1px solid #3a4250;color:#cdd}
.area-bar button.on{border-color:#1f6a58;color:#5cf0c4;background:#10221d}
.ex-tags{display:flex;gap:3px;margin-top:2px}.ex-tags i{font-style:normal;font-size:10px;color:#5cf0c4;border:1px solid #1f6a58;border-radius:6px;padding:0 5px}
.rehab-card{background:#10191a;border:1px solid #1f4a42;border-radius:10px;padding:10px 12px;margin:8px 0}
.rehab-tags{display:flex;flex-wrap:wrap;gap:5px}.rehab-tags .tag{font-size:11.5px;border-radius:99px;padding:2px 9px;border:1px solid #1f6a58;color:#5cf0c4}
.rehab-tags .tag.lv{border-color:#5a5a22;color:#f0e05c}
.eff-h.warn{color:#ffb35c}.eff-h.pain{color:#ff8aa3}
.rehab-card ul{margin:2px 0 6px 18px;padding:0}
@media (max-width:760px){.ex-tags{display:none}}
.side-btn{font-size:11.5px;border-radius:99px;padding:1px 9px;cursor:pointer;background:#10221d;border:1px solid #1f6a58;color:#5cf0c4}
.controls select{width:auto}
/* 도감 → 운동 메이트 바로 해 보기 */
.ov-mate{left:50%;bottom:70px;transform:translateX(-50%);white-space:nowrap}
.ov-mate .mate-try{box-shadow:0 6px 24px #0009;font-weight:700}
@media (max-width:760px){.ov-mate .mate-try{padding:10px 16px;font-size:15px}}