/* Layout: barra superior con las 9 herramientas; inicio = catálogo por uso (proyectar / imprimir / evaluar); cada herramienta = controles a la izquierda, resultado a la derecha */
:root{
  --bg:#f3f5f0; --surface:#ffffff; --ink:#1e2a24; --muted:#5d6b63; --line:#d9e0d8;
  --board:#24493b; --board-ink:#f4f1df; --accent:#e8a53a; --accent-ink:#2a1d05; --focus:#2f7d5f;
  --good:#3f9a62; --warn:#e0a52b; --bad:#d4523f;
  --paper:#ffffff; --paper-ink:#151a17; --paper-line:#b9c4bd; --trace:#c3cbc6; --sol:#d4523f;
  --font-display:"Baloo 2","Trebuchet MS",system-ui,sans-serif;
  --font-body:"Nunito Sans",system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-hand:"Playpen Sans","Comic Sans MS",cursive;
}
@media (prefers-color-scheme: dark){:root:not([data-theme="light"]){
  --bg:#121a16;--surface:#1a241f;--ink:#e8ece6;--muted:#9fb0a6;--line:#2c3a33;
  --board:#1d3a2f;--board-ink:#f4f1df;--accent:#f0b552;--accent-ink:#2a1d05;--focus:#5fc29a;
  --good:#4fb877;--warn:#efb43c;--bad:#e8665a;color-scheme:dark}}
:root[data-theme="dark"]{
  --bg:#121a16;--surface:#1a241f;--ink:#e8ece6;--muted:#9fb0a6;--line:#2c3a33;
  --board:#1d3a2f;--board-ink:#f4f1df;--accent:#f0b552;--accent-ink:#2a1d05;--focus:#5fc29a;
  --good:#4fb877;--warn:#efb43c;--bad:#e8665a;color-scheme:dark}

*{box-sizing:border-box}
body{background:var(--bg);color:var(--ink);font-family:var(--font-body);font-size:16px;line-height:1.5;margin:0}
body::before{content:"";position:fixed;inset:0 0 auto;height:env(safe-area-inset-top,0px);z-index:10;background:var(--board)}
.gut{padding-left:max(16px,env(safe-area-inset-left,0px));padding-right:max(16px,env(safe-area-inset-right,0px))}
.inner{max-width:1180px;margin:0 auto}
a{color:inherit}
button,input,select,textarea{font:inherit}
:focus-visible{outline:3px solid var(--focus);outline-offset:2px}

/* barra superior */
.top{position:sticky;top:env(safe-area-inset-top,0px);z-index:5;background:var(--board);color:var(--board-ink)}
.top .inner{display:flex;align-items:center;gap:16px;padding-block:10px}
.logo{display:flex;align-items:center;gap:10px;text-decoration:none;font-family:var(--font-display);font-weight:800;font-size:1.35rem;white-space:nowrap}
.logo .mark{width:30px;height:30px;border-radius:8px;background:var(--accent);color:var(--accent-ink);display:grid;place-items:center;font-size:1rem}
.nav{display:flex;gap:6px;overflow-x:auto;scrollbar-width:none;min-width:0;flex:1}
.nav::-webkit-scrollbar{display:none}
.nav a{text-decoration:none;white-space:nowrap;padding:6px 12px;border-radius:999px;font-weight:700;font-size:.9rem;opacity:.8}
.nav a:hover{opacity:1;background:rgba(244,241,223,.1)}
.nav a[aria-current="page"]{background:var(--accent);color:var(--accent-ink);opacity:1}

main{padding-block:24px 48px}
.view{display:flex;flex-direction:column;gap:22px}
h1,h2,h3{font-family:var(--font-display);font-weight:800;line-height:1.1;margin:0;text-wrap:balance}
.tool-head{display:flex;flex-direction:column;gap:4px}
.tool-head h1{font-size:clamp(1.8rem,4vw,2.5rem)}
.tool-head p{margin:0;color:var(--muted);max-width:62ch}

/* inicio */
.hero{background:var(--board);color:var(--board-ink);border-radius:22px;padding:28px clamp(20px,4vw,40px);display:grid;grid-template-columns:minmax(0,1.3fr) minmax(0,1fr);gap:24px;align-items:center}
@media (max-width:760px){.hero{grid-template-columns:1fr}}
.hero h1{font-size:clamp(2rem,5vw,3.2rem)}
.hero h1 em{font-style:normal;color:var(--accent)}
.hero p{margin:10px 0 0;opacity:.85;max-width:50ch}
.chalk{font-family:var(--font-hand);font-size:clamp(1rem,2.2vw,1.25rem);line-height:1.9;border-left:3px dashed rgba(244,241,223,.35);padding-left:18px;opacity:.9}
.group{display:flex;flex-direction:column;gap:12px}
.group-title{display:flex;align-items:baseline;gap:10px;flex-wrap:wrap}
.group-title h2{font-size:1.5rem}
.group-title span{color:var(--muted);font-size:.95rem}
.tiles{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:14px}
.tile{display:flex;gap:14px;align-items:flex-start;text-decoration:none;background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:16px;transition:border-color .15s,transform .15s}
.tile:hover{border-color:var(--focus);transform:translateY(-2px)}
.tile .ic{flex:none;width:44px;height:44px;border-radius:12px;display:grid;place-items:center;background:var(--board);color:var(--accent)}
.tile .ic svg{width:24px;height:24px}
.tile h3{font-size:1.15rem}
.tile p{margin:2px 0 0;color:var(--muted);font-size:.92rem}

/* anuncios reservados */
.ad:empty{display:none}
.ad{border:1.5px dashed var(--line);border-radius:12px;min-height:90px;display:grid;place-items:center;color:var(--muted);font-size:.78rem;letter-spacing:.12em;text-transform:uppercase}

/* layout de herramienta */
.tool{display:grid;grid-template-columns:minmax(0,330px) minmax(0,1fr);gap:22px;align-items:start}
.tool.wide-left{grid-template-columns:minmax(0,1.4fr) minmax(0,1fr)}
@media (max-width:880px){.tool,.tool.wide-left{grid-template-columns:1fr}}
.card{background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:18px;display:flex;flex-direction:column;gap:12px;min-width:0}
.card h2{font-size:1.2rem;display:flex;justify-content:space-between;align-items:baseline;gap:8px}
.stack{display:flex;flex-direction:column;gap:16px;min-width:0}
label.f{display:flex;flex-direction:column;gap:4px;font-weight:700;font-size:.9rem}
label.f small{font-weight:400;color:var(--muted)}
input[type=text],input[type=number],select,textarea{width:100%;border:1px solid var(--line);border-radius:10px;padding:9px 11px;background:var(--bg);color:var(--ink)}
textarea{min-height:150px;resize:vertical;line-height:1.45}
.chk{display:flex;gap:10px;align-items:center;cursor:pointer;font-size:.95rem}
.chk input{width:18px;height:18px;accent-color:var(--focus)}
.row{display:flex;flex-wrap:wrap;gap:8px}
.two{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.btn{border-radius:12px;padding:10px 16px;font-weight:700;border:2px solid transparent;cursor:pointer;transition:transform .1s}
.btn:active{transform:translateY(1px)}
.btn:disabled{opacity:.5;cursor:default}
.btn-main{background:var(--accent);color:var(--accent-ink)}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--line)}
.btn-board{background:transparent;color:var(--board-ink);border-color:rgba(244,241,223,.35)}
.count{font-family:var(--font-body);font-size:.85rem;font-weight:600;color:var(--muted);font-variant-numeric:tabular-nums}
.hint{font-size:.85rem;color:var(--muted);margin:0}
.tag{display:inline-block;font-size:.7rem;font-weight:800;letter-spacing:.08em;text-transform:uppercase;background:var(--accent);color:var(--accent-ink);border-radius:999px;padding:2px 8px;vertical-align:middle}
.note{font-size:.88rem;color:var(--muted);background:var(--bg);border-radius:10px;padding:10px 12px;margin:0}

.howto{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
@media (max-width:760px){.howto{grid-template-columns:1fr}}
.howto h3{font-size:1.05rem;margin-bottom:4px}
.howto p,.howto ul{margin:0;color:var(--muted);font-size:.95rem}
.howto ul{padding-left:1.1em}

/* pizarrón (proyectar) */
.board{background:var(--board);color:var(--board-ink);border-radius:20px;padding:20px;display:flex;flex-direction:column;align-items:center;gap:16px;min-width:0}
.board:fullscreen{justify-content:center;border-radius:0}
.board-actions{display:flex;flex-wrap:wrap;gap:10px;justify-content:center}

/* ruleta */
.wheel-box{position:relative;width:100%;max-width:540px;aspect-ratio:1}
.board:fullscreen .wheel-box{max-width:min(76vh,90vw)}
.wheel-box canvas{width:100%;height:100%;display:block}
.pointer{position:absolute;top:-6px;left:50%;transform:translateX(-50%);border-left:18px solid transparent;border-right:18px solid transparent;border-top:34px solid var(--accent);filter:drop-shadow(0 2px 2px rgba(0,0,0,.35))}
.hub{position:absolute;inset:0;margin:auto;width:22%;height:22%;border-radius:50%;background:var(--board);border:5px solid var(--board-ink);color:var(--board-ink);font-family:var(--font-display);font-weight:800;font-size:clamp(.85rem,2.2vw,1.2rem);cursor:pointer}
.result{min-height:3.6em;text-align:center;display:flex;flex-direction:column;align-items:center;gap:2px}
.result .label{font-size:.78rem;letter-spacing:.12em;text-transform:uppercase;opacity:.75}
.result .name{font-family:var(--font-display);font-weight:800;font-size:clamp(1.8rem,5vw,3rem);line-height:1.1;color:var(--accent)}
.pop{animation:pop .5s ease}
@keyframes pop{0%{transform:scale(.6);opacity:0}70%{transform:scale(1.08)}100%{transform:scale(1);opacity:1}}
.history{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;max-height:200px;overflow:auto}
.history li{display:flex;gap:10px;padding:4px 0;border-bottom:1px dashed var(--line)}
.history .n{color:var(--muted);font-variant-numeric:tabular-nums;font-size:.85rem;min-width:2ch}

/* equipos */
.teams{display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:12px}
.team{background:var(--surface);border:1px solid var(--line);border-radius:14px;overflow:hidden}
.team h3{font-size:1.05rem;padding:8px 12px;color:#1b1408}
.team ul{list-style:none;margin:0;padding:8px 12px 12px;display:flex;flex-direction:column;gap:2px}
.team li{font-weight:600}

/* temporizador */
.clock{position:relative;width:100%;max-width:440px;aspect-ratio:1}
.board:fullscreen .clock{max-width:min(70vh,90vw)}
.clock svg{width:100%;height:100%;transform:rotate(-90deg)}
.clock .track{fill:none;stroke:rgba(244,241,223,.15);stroke-width:14}
.clock .prog{fill:none;stroke:var(--accent);stroke-width:14;stroke-linecap:round;transition:stroke-dashoffset .25s linear,stroke .3s}
.clock .digits{position:absolute;inset:0;display:grid;place-items:center;font-family:var(--font-display);font-weight:800;font-size:clamp(3rem,13vw,6.5rem);font-variant-numeric:tabular-nums;letter-spacing:.02em}
.board:fullscreen .clock .digits{font-size:min(17vh,18vw)}
.clock.low .prog{stroke:var(--bad)}
.clock.done .digits{animation:blink 1s steps(2) infinite;color:var(--accent)}
@keyframes blink{50%{opacity:.25}}
.presets{display:flex;flex-wrap:wrap;gap:8px;justify-content:center}
.seg{display:inline-flex;border:1px solid rgba(244,241,223,.35);border-radius:12px;overflow:hidden}
.seg button{background:transparent;color:var(--board-ink);border:0;padding:8px 14px;font-weight:700;cursor:pointer}
.seg button[aria-pressed="true"]{background:var(--board-ink);color:var(--board)}

/* semáforo */
.light{background:#16201b;border-radius:40px;padding:22px;display:flex;flex-direction:column;gap:18px;width:min(240px,60vw)}
.board:fullscreen .light{width:min(30vh,60vw)}
.lamp{aspect-ratio:1;border-radius:50%;opacity:.18;transition:opacity .25s,box-shadow .25s}
.lamp.r{background:#e8503c}.lamp.y{background:#f2b632}.lamp.g{background:#44c27a}
.lamp.on{opacity:1;box-shadow:0 0 40px 6px currentColor}
.lamp.r.on{color:#e8503c}.lamp.y.on{color:#f2b632}.lamp.g.on{color:#44c27a}
.sem-msg{font-family:var(--font-display);font-weight:800;font-size:clamp(1.6rem,4.5vw,2.6rem);text-align:center}
.meter{width:100%;max-width:360px;height:12px;border-radius:999px;background:rgba(244,241,223,.15);overflow:hidden}
.meter i{display:block;height:100%;width:0;background:var(--accent);transition:width .1s}

/* hojas imprimibles */
.sheet-wrap{overflow-x:auto;min-width:0}
.sheet{background:var(--paper);color:var(--paper-ink);border:1px solid var(--line);border-radius:10px;padding:28px;min-width:min(100%,560px);display:flex;flex-direction:column;gap:16px}
.sheet h2{font-size:1.6rem;color:var(--paper-ink)}
.sheet .meta{display:flex;flex-wrap:wrap;gap:8px 24px;font-size:.95rem}
.sheet .meta span{flex:1;min-width:180px;border-bottom:1.5px solid var(--paper-ink);padding-bottom:2px}
.ws{display:grid;gap:0;border:2px solid var(--paper-ink);width:max-content;max-width:100%;align-self:center}
.ws div{width:clamp(22px,4.4vw,36px);aspect-ratio:1;display:grid;place-items:center;font-weight:800;font-size:clamp(.8rem,2vw,1.2rem);border:.5px solid var(--paper-line)}
.ws div.hit{background:#ffd98a}
.wordlist{display:flex;flex-wrap:wrap;gap:6px 16px;font-weight:700;justify-content:center}
.wordlist .miss{color:var(--sol);text-decoration:line-through}
.cw{display:grid;width:max-content;max-width:100%;align-self:center}
.cw div{width:clamp(24px,4.2vw,34px);aspect-ratio:1;position:relative}
.cw div.c{border:1.5px solid var(--paper-ink);margin:-.75px;background:var(--paper)}
.cw div.c b{position:absolute;top:1px;left:3px;font-size:.6rem;font-weight:800}
.cw div.c span{position:absolute;inset:0;display:grid;place-items:center;font-weight:800;color:var(--sol);font-size:clamp(.75rem,1.8vw,1rem)}
.clues{display:grid;grid-template-columns:1fr 1fr;gap:18px}
@media (max-width:600px){.clues{grid-template-columns:1fr}}
.clues h3{font-size:1.05rem;color:var(--paper-ink)}
.clues ol{margin:6px 0 0;padding:0;list-style:none;display:flex;flex-direction:column;gap:4px;font-size:.95rem}
.clues b{display:inline-block;min-width:1.8em}
.hw{display:flex;flex-direction:column;gap:6px}
.hw-row{position:relative;height:var(--rh,64px);font-family:var(--font-hand);font-size:calc(var(--rh,64px)*.62);line-height:var(--rh,64px);white-space:nowrap;overflow:hidden;padding-left:6px;border-bottom:1.5px solid var(--paper-ink)}
.hw-row.molde{font-family:var(--font-body);font-weight:600}
.hw-row::before{content:"";position:absolute;left:0;right:0;top:50%;border-top:1.5px dashed var(--paper-line)}
.hw-row::after{content:"";position:absolute;left:0;right:0;top:12%;border-top:1px solid var(--paper-line)}
.hw-row.grid{background-image:linear-gradient(var(--paper-line) 1px,transparent 1px),linear-gradient(90deg,var(--paper-line) 1px,transparent 1px);background-size:calc(var(--rh,64px)/2) calc(var(--rh,64px)/2)}
.hw-row.grid::before,.hw-row.grid::after{display:none}
.hw-row span{position:relative;z-index:1}
.hw-row.trace span{color:var(--trace)}
.mx{display:grid;grid-template-columns:repeat(auto-fill,minmax(120px,1fr));gap:22px 18px}
.op{display:flex;flex-direction:column;align-items:flex-end;font-size:1.35rem;font-weight:700;font-variant-numeric:tabular-nums;font-family:var(--font-body);position:relative;padding-left:26px}
.op .num{font-size:.7rem;font-weight:800;position:absolute;left:0;top:0;color:var(--paper-line)}
.op .b{display:flex;gap:10px;border-bottom:2px solid var(--paper-ink);padding-bottom:2px}
.op .ans{min-height:1.5em;color:var(--sol)}
.op.h{flex-direction:row;align-items:baseline;gap:6px;justify-content:flex-start}
.op.h .ans{border-bottom:2px solid var(--paper-ink);min-width:3ch;text-align:center}

/* promedios */
.ptable{width:100%;border-collapse:collapse}
.ptable th{text-align:left;font-size:.8rem;text-transform:uppercase;letter-spacing:.06em;color:var(--muted);padding:4px 6px}
.ptable td{padding:4px 6px}
.ptable input{padding:7px 9px}
.ptable td.w input,.ptable td.s input{max-width:90px;text-align:right}
.x{background:transparent;border:0;color:var(--muted);cursor:pointer;font-size:1.2rem;padding:4px 8px}
.score{display:flex;flex-direction:column;gap:6px;align-items:flex-start}
.score .big{font-family:var(--font-display);font-weight:800;font-size:clamp(3rem,8vw,4.6rem);line-height:1;font-variant-numeric:tabular-nums}
.pill{display:inline-block;padding:4px 12px;border-radius:999px;font-weight:800;font-size:.85rem}
.pill.ok{background:color-mix(in srgb,var(--good) 20%,transparent);color:var(--good)}
.pill.no{background:color-mix(in srgb,var(--bad) 20%,transparent);color:var(--bad)}
.pill.warn{background:color-mix(in srgb,var(--warn) 22%,transparent);color:var(--ink)}
.kv{display:grid;grid-template-columns:auto auto;gap:4px 18px;font-variant-numeric:tabular-nums}
.kv dt{color:var(--muted)}.kv dd{margin:0;font-weight:800;text-align:right}

footer{border-top:1px solid var(--line);padding-block:20px;color:var(--muted);font-size:.9rem}
footer .inner{display:flex;flex-wrap:wrap;justify-content:space-between;gap:8px}

@media (prefers-reduced-motion:reduce){.pop,.clock.done .digits{animation:none}.tile{transition:none}}
@media print{
  @page{margin:12mm}
  body{background:#fff}
  body::before,.top,footer,.no-print,.ad,.howto,.tool-head{display:none!important}
  main{padding:0}
  .tool{display:block}
  .sheet{border:0;padding:0;min-width:0}
}

/* páginas de texto y FAQ */
.prose{max-width:720px;display:flex;flex-direction:column;gap:14px}
.prose h1{font-size:clamp(1.8rem,4vw,2.4rem)}
.prose h2{font-size:1.3rem;margin-top:8px}
.prose p,.prose li{color:var(--ink)}
.prose .muted{color:var(--muted)}
.faq{display:flex;flex-direction:column;gap:10px}
.faq h2{font-size:1.3rem}
.faq details{background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:12px 16px}
.faq summary{cursor:pointer;font-weight:800}
.faq p{margin:8px 0 0;color:var(--muted)}
.copybox{display:flex;flex-wrap:wrap;gap:8px;align-items:center;background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:12px 16px;font-weight:800}
footer nav{display:flex;flex-wrap:wrap;gap:6px 16px}
footer a{color:var(--muted)}