/* PÁKA LAB v5: tréninkový protokol. Grafit a křída, signální oranžová = ty, modrá = soupeř, žlutá páska = riziko.
   Písmo Archivo (OFL) je hostované lokálně, proměnná šířka: úzké na nadpisy a čísla, normální na text. */
@font-face{font-family:"Archivo";src:url(fonts/archivo-latin-ext.woff2) format("woff2");font-weight:100 900;font-stretch:62% 125%;font-display:swap;
  unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C4,U+2113,U+2C60-2C7F,U+A720-A7FF}
@font-face{font-family:"Archivo";src:url(fonts/archivo-latin.woff2) format("woff2");font-weight:100 900;font-stretch:62% 125%;font-display:swap;
  unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
:root{
  --graphite:#111315;--graphite-2:#1b1e22;--graphite-3:#2a2e34;--graphite-4:#3a3f46;
  --paper:#ececE7;--panel:#f7f7f3;--ink:#111315;--muted:#575d65;--rule:#cdcfc8;--rule-strong:#9fa3a8;
  --signal:#ff4f14;--signal-ink:#ad3209;--signal-soft:#ffe3d6;
  --opp:#3e8ef7;--opp-soft:#dbe9fd;
  --hazard:#ffc21a;--go:#148a4e;--go-soft:#dcf0e3;--danger:#b3261e;
  --r:4px;--font:"Archivo",system-ui,-apple-system,"Segoe UI",sans-serif;
  font:400 17px/1.5 var(--font);font-stretch:100%;color:var(--ink);background:var(--paper);font-variant-numeric:tabular-nums}
*{box-sizing:border-box}body{margin:0;background:var(--paper)}a{color:inherit}
button,input,select,textarea{font:inherit;color:inherit}button{cursor:pointer}button:disabled{cursor:default;opacity:.4}
:focus-visible{outline:3px solid var(--opp);outline-offset:2px}
h1,h2,h3,h4{font-family:var(--font);font-stretch:72%;font-weight:800;line-height:.98;letter-spacing:-.005em;margin:0}
h1{font-size:clamp(2.7rem,7.2vw,5.6rem)}h2{font-size:clamp(1.7rem,3.4vw,2.4rem)}h3{font-size:1.4rem}h4{font-size:1.1rem;margin-top:12px}
p{margin:0}p+p{margin-top:6px}
.shell{width:min(1240px,calc(100% - 48px));margin-inline:auto}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap}
.skip{position:absolute;left:8px;top:-60px;background:var(--panel);padding:8px;z-index:9}.skip:focus{top:8px}

/* lišta */
.masthead{background:var(--graphite);color:#fff;position:sticky;top:0;z-index:5}
.masthead:after{content:"";display:block;height:3px;background:linear-gradient(90deg,var(--signal) 0 62%,var(--opp) 62% 100%)}
.mast-inner{display:flex;align-items:center;gap:24px;min-height:58px}
.logo{display:inline-flex;align-items:center;gap:10px;text-decoration:none;color:var(--signal)}
.logo-text{font-stretch:68%;font-weight:800;font-size:1.55rem;letter-spacing:.01em;color:#fff}.logo-text b{color:var(--signal);font-weight:800;margin-left:3px}
.masthead nav{display:flex;gap:4px;overflow-x:auto;scrollbar-width:none;margin-left:auto}.masthead nav::-webkit-scrollbar{display:none}
.masthead nav a{flex:none;text-decoration:none;font-stretch:80%;font-weight:600;font-size:1.06rem;padding:8px 12px;border-radius:var(--r);color:#bfc3c9}
.masthead nav a:hover{color:#fff;background:var(--graphite-3)}.masthead nav a[aria-current]{color:var(--graphite);background:#fff}

/* text */
.kicker,.meta{font-stretch:80%;font-weight:700;font-size:1rem;color:var(--signal-ink)}
.lead{font-size:1.12rem;color:var(--muted);max-width:52ch}.muted{color:var(--muted)}
.link{color:var(--signal-ink);font-weight:600;text-underline-offset:3px}
.page-head{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,.9fr);gap:12px 40px;align-items:end;padding:36px 0 22px;border-bottom:1px solid var(--rule);margin-bottom:22px}
.page-head h1{font-size:clamp(2.5rem,6vw,4.4rem);margin-top:6px}.page-head .lead{padding-bottom:6px}

/* tlačítka */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:46px;padding:8px 18px;border-radius:var(--r);border:1.5px solid var(--ink);background:transparent;text-decoration:none;font-weight:650;font-size:1rem}
.btn:hover{background:var(--panel)}
.btn.primary{background:var(--signal);border-color:var(--signal);color:var(--graphite)}.btn.primary:hover{background:#ff6a35}
.btn.small{min-height:40px;padding:5px 13px;font-size:.95rem}
.btn.danger{border-color:var(--danger);color:var(--danger)}.btn.danger:hover{background:#fbe3e0}
.actions,.hero-actions{display:flex;flex-wrap:wrap;gap:8px;align-items:center;margin-top:14px}

/* úvod */
.hero{display:grid;grid-template-columns:minmax(0,.8fr) minmax(0,1.2fr);gap:40px;align-items:center;padding:44px 0 30px}
.hero h1{margin:10px 0 16px}
.todo{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));border-top:1px solid var(--ink);border-bottom:1px solid var(--rule);margin:6px 0 40px}
.todo a{display:flex;gap:12px;align-items:flex-start;padding:18px 16px 20px;text-decoration:none;border-left:1px solid var(--rule)}
.todo a:first-child{border-left:0;padding-left:0}
.todo a svg{flex:none;color:var(--signal-ink);margin-top:2px}.todo strong{display:block;font-stretch:74%;font-weight:800;font-size:1.45rem;line-height:1.05}
.todo small{display:block;color:var(--muted);font-size:.93rem;margin-top:3px}
.todo a:hover strong{color:var(--signal-ink)}
.section-head{display:flex;justify-content:space-between;align-items:baseline;gap:12px;margin:0 0 12px}
.block{margin-bottom:28px}
.lesson-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 28px}
.lesson-list a{display:grid;grid-template-columns:42px 1fr;gap:10px;padding:14px 0;border-top:1px solid var(--rule);text-decoration:none}
.lesson-list .idx{font-stretch:68%;font-weight:800;font-size:2rem;line-height:1;color:var(--signal-ink)}
.lesson-list strong{display:block;font-stretch:74%;font-weight:800;font-size:1.5rem;line-height:1}.lesson-list small{display:block;color:var(--muted);font-size:.95rem;margin-top:4px}
.lesson-list a:hover strong{color:var(--signal-ink)}
.grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:10px}
.card,.panel,.sheet{background:var(--panel);border:1px solid var(--rule);border-radius:var(--r);padding:18px}
.card h3{margin:4px 0 6px}.card p{color:var(--muted)}
.callout{background:var(--panel);border:1px solid var(--rule);border-left:4px solid var(--hazard);padding:12px 14px;border-radius:var(--r)}
.callout a{font-weight:700;color:var(--signal-ink)}
.band{display:flex;justify-content:space-between;align-items:center;gap:12px;margin:0 0 26px}

/* rozvržení */
.split{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);gap:20px;align-items:start}
.stack{display:grid;gap:14px}
.panel h2,.sheet h2{font-size:1.7rem;margin-bottom:10px}.panel h3{margin-bottom:6px}
.dash{list-style:none;padding:0;margin:4px 0 0}.dash li{position:relative;padding-left:16px;margin:4px 0}
.dash li:before{content:"-";position:absolute;left:0;color:var(--signal-ink);font-weight:800}
.tags{display:flex;flex-wrap:wrap;gap:6px}
.chip{display:inline-flex;align-items:center;min-height:40px;padding:4px 14px;border-radius:var(--r);border:1.5px solid var(--rule-strong);background:transparent;text-decoration:none;font-weight:600}
.chip[aria-current],.chip[aria-pressed=true]{background:var(--ink);border-color:var(--ink);color:#fff}.chip:hover{border-color:var(--ink)}
.lesson-head{grid-template-columns:minmax(0,1fr) minmax(0,1fr)}
.lesson-nav{display:flex;flex-wrap:wrap;gap:8px 18px;align-items:center;margin-bottom:16px}
.advanced{display:flex;align-items:center;gap:8px}.advanced summary{cursor:pointer;font-weight:650;min-height:40px;display:flex;align-items:center;color:var(--muted)}
.advanced[open]{flex-wrap:wrap}
.lesson-grid{display:grid;grid-template-columns:1.1fr 1fr 1fr;gap:12px;margin:16px 0}
.step{display:grid;grid-template-columns:30px 1fr;gap:8px;width:100%;padding:9px 8px;text-align:left;background:none;border:0;border-top:1px solid var(--rule);border-radius:0}
.step span:first-child{font-stretch:68%;font-size:1.5rem;font-weight:800;color:var(--signal-ink);line-height:1}.step strong{display:block}
.step:hover{background:#fff}.step[aria-current]{background:var(--signal-soft);box-shadow:inset 3px 0 0 var(--signal)}

/* rozbalovací části (kvíz, profil) */
details.quiz-box,details.profile{padding:0}
details.quiz-box>summary,details.profile>summary{list-style:none;cursor:pointer;display:flex;justify-content:space-between;align-items:center;gap:12px;padding:14px 18px;min-height:56px}
details.quiz-box>summary::-webkit-details-marker,details.profile>summary::-webkit-details-marker{display:none}
details.quiz-box>summary:after,details.profile>summary:after{content:"+";font-size:1.6rem;font-weight:400;color:var(--muted)}
details[open].quiz-box>summary:after,details[open].profile>summary:after{content:"−"}
details>summary strong{display:block;font-stretch:74%;font-weight:800;font-size:1.35rem}details>summary small{display:block;color:var(--muted)}
.quiz,.profile-body{padding:0 18px 18px;border-top:1px solid var(--rule)}
.quiz fieldset{border:0;padding:0;margin:14px 0 4px}.quiz legend{font-weight:700;margin-bottom:4px}.quiz-result{margin-top:8px;color:var(--go)}

/* formuláře */
label.field{display:grid;gap:4px;font-weight:600;font-size:.95rem;min-width:0}
input:not([type=checkbox],[type=radio],[type=range],[type=file]),select,textarea{width:100%;min-height:46px;border:1.5px solid var(--rule-strong);border-radius:var(--r);background:#fff;padding:7px 10px}
input:focus,select:focus,textarea:focus{border-color:var(--ink)}
textarea{resize:vertical}
.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.form-grid.triple{grid-template-columns:repeat(3,minmax(0,1fr))}
.checks{display:flex;flex-wrap:wrap;gap:6px 14px;border:0;padding:0;margin:12px 0;min-width:0}.checks legend,.day-chips legend{font-weight:700;margin-bottom:6px}
.choice{display:flex;gap:8px;align-items:flex-start;margin:3px 0}.choice input{margin-top:.35em;accent-color:var(--signal)}
.status{margin:8px 0;color:var(--go);font-weight:700}.status.error{color:var(--danger)}.status:empty,.quiz-result:empty{display:none}
.pill{font-weight:700;font-size:.85rem;padding:2px 9px;border-radius:var(--r);background:var(--signal-soft);color:var(--signal-ink);white-space:nowrap}
.pill.done{background:var(--go-soft);color:var(--go)}
.day-head{display:flex;justify-content:space-between;gap:8px;align-items:start}
.day-chips{display:flex;flex-wrap:wrap;gap:6px;border:0;padding:0;margin:12px 0}
.day-chips label{display:inline-flex}.day-chips input{position:absolute;opacity:0;pointer-events:none}
.day-chips span{display:inline-flex;align-items:center;justify-content:center;min-width:52px;min-height:46px;border:1.5px solid var(--ink);border-radius:var(--r);background:#fff;font-stretch:72%;font-weight:800;font-size:1.25rem;cursor:pointer}
.day-chips input:checked+span{background:var(--signal);border-color:var(--signal)}.day-chips input:focus-visible+span{outline:3px solid var(--opp);outline-offset:2px}
.session-edit{margin-top:10px;border-top:1px solid var(--rule);padding-top:6px}.session-edit summary{cursor:pointer;font-weight:650;min-height:42px;display:flex;align-items:center}
.edit-row{border-top:1px dashed var(--rule);padding:8px 0}.row-actions{margin-top:6px}
.quick{margin-top:8px;padding:12px;border:1.5px solid var(--signal);border-radius:var(--r);background:#fff}
.quick .form-grid{grid-template-columns:repeat(3,minmax(0,1fr));margin-top:8px}.quick .last{margin:4px 0}
.record{border-top:1px solid var(--rule);padding:10px 0}.record-title{font-weight:700}.record small{color:var(--muted)}.record p{overflow-wrap:anywhere}
.stats{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid var(--ink)}
.stat{padding:10px 12px 8px 0}.stat+.stat{border-left:1px solid var(--rule);padding-left:12px}
.stat strong{display:block;font-stretch:66%;font-weight:800;font-size:2.6rem;line-height:1}.stat small{color:var(--muted)}
.chart{display:flex;align-items:end;gap:6px;min-height:118px;margin-top:8px;border-bottom:1.5px solid var(--ink)}
.chart div{flex:1;min-width:0;display:grid;justify-items:center;gap:4px;font-size:.75rem;color:var(--muted)}.chart i{width:min(100%,32px);background:var(--signal);border-radius:2px 2px 0 0}
.footer{display:flex;gap:14px;flex-wrap:wrap;justify-content:space-between;align-items:center;border-top:1px solid var(--ink);margin-top:56px;padding:18px 0 30px;color:var(--muted);font-size:.95rem}
.footer nav{display:flex;flex-wrap:wrap;gap:6px 18px}
main{min-height:60vh}

/* přehrávač animace: měřicí přístroj */
.stage{background:var(--graphite);color:#fff;border-radius:var(--r);overflow:hidden;border:1px solid #000}
.stage .defs{position:absolute;width:0;height:0}
.view-controls{display:flex;flex-wrap:wrap;gap:2px;padding:8px;border-bottom:1px solid var(--graphite-3)}
.seg{min-height:40px;padding:6px 14px;border:0;border-radius:var(--r);background:transparent;color:#c5c9ce;font-weight:600}
.seg:hover{background:var(--graphite-3);color:#fff}.seg[aria-pressed=true]{background:#fff;color:var(--ink)}
.compare-btn{margin-left:auto;border:1.5px solid var(--opp);color:#cfe2ff}.compare-btn[aria-pressed=true]{background:var(--opp);color:var(--ink)}
.motion-views{display:grid}.scene{display:grid}.scene[hidden],.scene [hidden],.motion-views [hidden]{display:none}
.scene-title{display:none;padding:8px 14px 0;font-size:.95rem}.motion-views[data-compare] .scene-title{display:block}
.view-caption{padding:8px 14px 0;font-size:.85rem;color:#9ea3aa;font-stretch:85%}
.stage svg{display:block;width:100%;height:auto;background-image:linear-gradient(#ffffff08 1px,transparent 1px),linear-gradient(90deg,#ffffff08 1px,transparent 1px);background-size:20px 20px}
.stage-bg{fill:transparent}
.ruler{stroke:#6f757d;stroke-width:1}.ruler-text{fill:#8b9198;font:600 10px var(--font);font-stretch:85%}
.t-leg{stroke:#2a2e33;stroke-linecap:round}.t-side{fill:#2b2f34}.t-top{fill:#3d4249;stroke:#5c626a;stroke-width:1.5}
.t-pad{fill:#d5cfc1;stroke:#a19a8a;stroke-width:1}.t-pin{fill:#5d636b}.t-peg{stroke:#b1b6bd;stroke-linecap:round}.t-center{stroke:#878d96;stroke-width:1.5;stroke-dasharray:5 6}
.torso.a{fill:#35251d;stroke:var(--signal);stroke-width:1.5;stroke-linejoin:round}.head.a{fill:#eeab86;stroke:#a5552f;stroke-width:1.5}
.torso.o{fill:#1b2838;stroke:var(--opp);stroke-width:1.5;stroke-linejoin:round}.head.o{fill:#b0cff3;stroke:#3a72b2;stroke-width:1.5}
.limb,.limb-outline,.stripe,.fingers,.thumb{fill:none;stroke-linecap:round;stroke-linejoin:round}
.limb-outline{stroke:#0a0b0c}.limb.a{stroke:#ff6630}.limb.o{stroke:var(--opp)}
.stripe{stroke:#ffffffb3}.palm.a{fill:#ffb18c;stroke:#ffb18c;stroke-width:2;stroke-linejoin:round}.fingers.a{stroke:#ffb18c}.thumb.a{stroke:#ff8c5e}
.palm.o{fill:#a6cbf8;stroke:#a6cbf8;stroke-width:2;stroke-linejoin:round}.fingers.o{stroke:#a6cbf8}.thumb.o{stroke:#69aaf5}
.ghost{opacity:.5}
.joint circle{fill:var(--graphite);stroke:#fff;stroke-width:1.5}.joint text{fill:#fff;font:700 10px var(--font)}
.move-arrow{fill:none;stroke:var(--hazard);stroke-width:3;stroke-linecap:round}.arrow-head{fill:var(--hazard)}
.risk-ring{fill:none;stroke:var(--hazard);stroke-width:3;stroke-dasharray:6 4;animation:spin 3s linear infinite;transform-box:fill-box;transform-origin:center}
@keyframes spin{to{transform:rotate(360deg)}}
.dial-face{fill:var(--graphite-2);stroke:#4a4f56}.dial-tick{stroke:#6b7078;stroke-width:2}.dial-hand{stroke:#ff6630;stroke-width:3;stroke-linecap:round}.dial-thumb{fill:#fff}.dial-pin{fill:#a8adb5}
.dial-label{fill:#a3a8af;font:600 11px var(--font)}.dial-value{fill:#ffb18c;font:700 13px var(--font)}
.inset-bg{fill:var(--graphite-2);stroke:#4a4f56}.inset-title{fill:#e6e8eb;font:600 11px var(--font)}.inset-axis{stroke:#6b7078;stroke-dasharray:4 4;fill:none}
.inset-fore{stroke:#ff6630;stroke-width:13;stroke-linecap:round}.inset-hand{fill:#ffb18c;stroke:#d9805d}.inset-lines{fill:none;stroke:#a8543c;stroke-width:1.2}
.inset-joint{fill:var(--graphite);stroke:#fff;stroke-width:1.5}.inset-value{fill:#ffb18c;font:700 11px var(--font)}
.wrist-zoom [data-motion]>:not([data-inset]):not(.stage-bg){visibility:hidden}
.play-controls{display:flex;flex-wrap:wrap;align-items:center;gap:8px;padding:10px 12px;border-top:1px solid var(--graphite-3)}
.play-btn{width:50px;height:50px;border-radius:50%;border:0;background:var(--signal);color:var(--graphite);font-size:1.15rem;font-weight:800}
.play-btn:hover{background:#ff6a35}
.step-btn{min-width:44px;height:44px;border-radius:var(--r);border:1px solid var(--graphite-4);background:var(--graphite-2);color:#fff;font-weight:700;font-size:1.1rem;padding:0 10px}
.step-btn.zoom{font-size:.9rem}.step-btn[aria-pressed=true]{background:#fff;color:var(--ink)}
.play-controls output{font-stretch:76%;font-weight:700;font-size:1.25rem;flex:1;min-width:140px}
.speed select{min-height:44px;width:auto;background:var(--graphite-2);color:#fff;border-color:var(--graphite-4)}
.play-controls input[type=range]{flex:1 1 100%;width:100%;min-width:0;accent-color:var(--signal);min-height:30px;margin:0}
.joints{padding:12px 14px;border-top:1px solid var(--graphite-3)}.joints h3{font-size:1.25rem;margin-bottom:8px}
.joint-list{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:2px}
.joint-list li{display:flex;flex-wrap:wrap;gap:4px 8px;align-items:baseline;padding:8px 10px;background:var(--graphite-2);border-radius:var(--r)}
.joint-name{font-stretch:76%;font-weight:700;font-size:1.15rem}
.jv{padding:1px 8px;border-radius:3px;background:var(--signal);color:var(--graphite);font-weight:700;font-size:.85rem;white-space:nowrap}.jv.b{background:var(--opp)}
.jv.hot{background:var(--hazard)}
.joint-list small{flex-basis:100%;color:#bfc3c9;font-size:.88rem;line-height:1.35}
.risk-joint .joint-name{color:var(--hazard)}
.risk{margin:0;padding:14px;background:var(--graphite-2);border-top:6px solid;border-image:repeating-linear-gradient(-45deg,var(--hazard) 0 10px,var(--graphite) 10px 20px) 6}
.risk-head{font-stretch:74%;font-weight:800;font-size:1.35rem;color:var(--hazard);margin-bottom:4px}
.risk.hot{background:#352711}.risk-now{color:var(--hazard);font-weight:700}.risk-now:empty{display:none}.risk-stop{margin-top:8px;font-weight:700}
.risk .dash li:before{color:var(--hazard)}
.stage-legend{display:flex;flex-wrap:wrap;gap:6px 16px;padding:10px 14px;border-top:1px solid var(--graphite-3);font-size:.88rem;color:#bfc3c9}
.sw{display:inline-block;width:14px;height:6px;border-radius:2px;margin-right:6px;vertical-align:2px}.sw.a{background:var(--signal)}.sw.o{background:var(--opp)}
@media(min-width:760px){.motion-views[data-compare]{grid-template-columns:1fr 1fr}}
h1[tabindex="-1"]:focus{outline:none}
/* Široký monitor: animace vlevo, klouby a riziko vpravo. Při srovnání dvou technik zůstává pod sebou. */
@media(min-width:1100px){
  .stage:has(.stage-side){display:grid;grid-template-columns:minmax(0,1.65fr) minmax(300px,1fr);grid-template-areas:"controls controls" "views side" "play side" "legend legend"}
  .stage:has(.motion-views[data-compare]){display:block}
  .stage>.view-controls{grid-area:controls}.stage>.motion-views{grid-area:views}.stage>.play-controls{grid-area:play}.stage>.stage-side{grid-area:side;border-left:1px solid var(--graphite-3)}.stage>.stage-legend{grid-area:legend}
  .stage:has(.stage-side):not(:has(.motion-views[data-compare])) .joints{border-top:0}
  .stage:has(.stage-side):not(:has(.motion-views[data-compare])) .joint-list{grid-template-columns:1fr}
}

/* Animace / Video */
.mode-switch{display:inline-flex;border:1.5px solid var(--ink);border-radius:var(--r);overflow:hidden;margin-bottom:10px}
.mode-switch button{border:0;background:transparent;font-weight:700;min-height:42px;padding:6px 20px}
.mode-switch button+button{border-left:1.5px solid var(--ink)}
.mode-switch button[aria-pressed=true]{background:var(--ink);color:#fff}
.video-panel{display:grid;gap:14px}.video-panel[hidden]{display:none}
.video-clip{display:grid;grid-template-columns:minmax(0,1.4fr) minmax(0,1fr);gap:18px;background:var(--panel);border:1px solid var(--rule);border-radius:var(--r);padding:14px}
.video-frame{position:relative;aspect-ratio:16/9;background:var(--graphite);border-radius:var(--r);overflow:hidden}
.video-frame iframe{position:absolute;inset:0;width:100%;height:calc(100% + 0px);border:0;pointer-events:none}
.video-cover{position:absolute;inset:0;display:grid;place-content:center;gap:10px;padding:16px;text-align:center;color:#fff;background:repeating-linear-gradient(-45deg,#ffffff06 0 8px,transparent 8px 16px),var(--graphite)}
.video-load{display:grid;justify-items:center;gap:8px;border:0;background:none;color:#fff;font-weight:700;font-size:1.05rem}
.play-dot{display:grid;place-items:center;width:62px;height:62px;border-radius:50%;background:var(--signal);color:var(--graphite);font-size:1.35rem}
.video-load:hover .play-dot{background:#ff6a35}
.consent{font-size:.85rem;color:#c5c9ce;max-width:46ch;margin:0 auto}.consent a{color:#fff}
.consent-keep{display:inline-flex;gap:6px;align-items:center;justify-content:center;font-size:.85rem;color:#c5c9ce}.consent-keep input{accent-color:var(--signal)}
.clip-bar{position:absolute;left:0;right:0;bottom:0;display:flex;align-items:center;gap:10px;padding:8px 10px;background:linear-gradient(transparent,#000c)}
.clip-progress{flex:1;height:4px;background:#ffffff40;border-radius:2px;overflow:hidden}.clip-progress i{display:block;height:100%;width:100%;background:var(--signal);transform-origin:left;animation:clip linear forwards}
@keyframes clip{from{transform:scaleX(0)}to{transform:scaleX(1)}}
.clip-stop{border:1px solid #ffffff80;background:#0008;color:#fff;border-radius:var(--r);min-height:34px;padding:2px 12px;font-weight:600}
.video-info h3{margin-bottom:4px}.video-meta{font-size:.9rem;color:var(--muted)}

/* taktika */
.scenario .choice-btn{display:block;width:100%;text-align:left;margin:6px 0;padding:12px 14px;border:1.5px solid var(--rule-strong);border-radius:var(--r);background:#fff;font-weight:600}
.scenario .choice-btn:hover{border-color:var(--ink)}.scenario .choice-btn[aria-pressed=true]{border-color:var(--signal);background:var(--signal-soft)}
.scenario-result{margin-top:10px;padding:12px;border-left:4px solid var(--go);background:var(--go-soft);border-radius:var(--r)}.scenario-result:empty{display:none}
.scenario-result.risky,.scenario-result.bad{border-color:var(--danger);background:#fbe3e0}

/* výrazy */
.glossary-tools{display:grid;grid-template-columns:minmax(220px,320px) 1fr;gap:12px 20px;align-items:end;margin-bottom:8px}
.terms{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:0 24px;margin-top:8px}
.term{display:grid;gap:4px;align-content:start;padding:14px 0 16px;border-top:1px solid var(--rule)}
.term h3{font-size:1.55rem}.term .en{color:var(--muted);font-size:.9rem;font-style:italic}
.term-foot{display:flex;flex-wrap:wrap;gap:6px 12px;align-items:center;margin-top:4px}
.term-tag{font-size:.8rem;font-weight:700;padding:1px 7px;border-radius:3px;background:var(--graphite);color:#fff}
.term a{color:var(--signal-ink);font-weight:650;font-size:.95rem}.term[hidden]{display:none}

/* profil síly */
.self-rate{padding-top:12px}.self-rate label{display:grid;grid-template-columns:160px 1fr 30px;gap:10px;align-items:center;font-weight:600;margin:6px 0}
.self-rate input[type=range]{accent-color:var(--signal);min-height:34px}.self-rate output{font-stretch:70%;font-weight:800;font-size:1.4rem}
.profile-body h3{margin-top:14px}
.radar svg{width:100%;max-width:400px;height:auto;display:block;margin:10px auto 0}
.radar .grid-line{fill:none;stroke:#bcbfb8}.radar .axis{stroke:#a3a7ac}.radar .area{fill:#ff4f1450;stroke:var(--signal);stroke-width:3;stroke-linejoin:round}
.radar .area.prev{fill:#3e8ef72e;stroke:var(--opp);stroke-dasharray:6 5;stroke-width:2}
.radar text{font:700 19px var(--font);font-stretch:76%;fill:var(--ink)}.radar .val{fill:var(--signal-ink);font-size:21px}

@media(max-width:1000px){.grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:520px){.grid{grid-template-columns:1fr}}
@media(max-width:1000px){.lesson-grid{grid-template-columns:1fr 1fr}.lesson-grid .sheet:first-child{grid-column:1/-1}.terms{grid-template-columns:repeat(2,minmax(0,1fr))}.hero{grid-template-columns:1fr}.todo{grid-template-columns:repeat(2,minmax(0,1fr))}.todo a:nth-child(3){border-left:0;padding-left:0}.todo a:nth-child(n+3){border-top:1px solid var(--rule)}}
@media(max-width:720px){
  .shell{width:calc(100% - 28px)}.mast-inner{flex-wrap:wrap;gap:0;min-height:0;padding-top:8px}
  .masthead nav{margin:4px -14px 0;padding:0 8px 8px;width:calc(100% + 28px)}.masthead nav a{padding:7px 10px}
  .page-head{grid-template-columns:1fr;padding-top:24px}.split,.lesson-grid,.video-clip,.glossary-tools{grid-template-columns:1fr}
  .terms,.lesson-list{grid-template-columns:1fr}.panel,.card,.sheet{padding:14px}
  .hero{padding:22px 0 18px;gap:20px}.todo{grid-template-columns:1fr}.todo a,.todo a:nth-child(3){border-left:0;padding-left:0;border-top:1px solid var(--rule)}.todo a:first-child{border-top:0}
  .form-grid.triple,.quick .form-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .band{flex-direction:column;align-items:start}.section-head{flex-wrap:wrap}
  .compare-btn{margin-left:0}.seg{padding:6px 11px}
  .self-rate label{grid-template-columns:1fr 30px}.self-rate label input{grid-column:1/-1;grid-row:2}
  .footer{flex-direction:column;align-items:start;gap:8px}
}
@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}