/* Layout: caderno escolar — a lição aparece numa folha pautada com margem vermelha; teclado ABNT2 colorido por dedo logo abaixo; painel do pai em aba separada */
:root{
  --bg:#eef2f9; --paper:#ffffff; --ink:#1b2440; --muted:#5b6585; --line:#d7dfee;
  --margin:#e0534d; --accent:#2f5bea; --accent-ink:#ffffff; --sun:#ffc93c; --sun-ink:#3a2a00;
  --good:#1a8f5a; --bad:#d23a3a; --warn:#c77a00;
  --f1:#ffe3e0; --f2:#fff1cc; --f3:#dff5e6; --f4:#e0e9ff; --f5:#efe3ff;
  --font-display:"Fredoka",ui-rounded,"Segoe UI",system-ui,sans-serif;
  --font-body:"Atkinson Hyperlegible",system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-mono:"JetBrains Mono",ui-monospace,"Cascadia Mono",Consolas,monospace;
}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){
  --bg:#10152a; --paper:#19203d; --ink:#e8ecf8; --muted:#9aa4c4; --line:#2b3460;
  --margin:#e86a64; --accent:#7c9bff; --accent-ink:#0d1330; --sun:#f2b81f; --sun-ink:#2a1e00;
  --good:#3fcf8c; --bad:#ff6f6f; --warn:#f0a83a;
  --f1:#3a2430; --f2:#3a3322; --f3:#1f3a30; --f4:#22305a; --f5:#30264f;
  color-scheme:dark}}
:root[data-theme="dark"]{
  --bg:#10152a; --paper:#19203d; --ink:#e8ecf8; --muted:#9aa4c4; --line:#2b3460;
  --margin:#e86a64; --accent:#7c9bff; --accent-ink:#0d1330; --sun:#f2b81f; --sun-ink:#2a1e00;
  --good:#3fcf8c; --bad:#ff6f6f; --warn:#f0a83a;
  --f1:#3a2430; --f2:#3a3322; --f3:#1f3a30; --f4:#22305a; --f5:#30264f;
  color-scheme:dark}

*{box-sizing:border-box}
html,body{min-height:100%}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--font-body);font-size:16px;line-height:1.5}
.wrap{max-width:1040px;margin:0 auto;padding-left:max(16px,env(safe-area-inset-left,0px));padding-right:max(16px,env(safe-area-inset-right,0px));padding-block:20px 48px;display:flex;flex-direction:column;gap:20px}
h1,h2,h3{font-family:var(--font-display);font-weight:600;margin:0;text-wrap:balance}
button{font:inherit;cursor:pointer}
button:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{outline:3px solid var(--accent);outline-offset:2px}

/* Cabeçalho */
.top{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px}
.brand{display:flex;align-items:center;gap:12px}
.logo{width:44px;height:44px;border-radius:12px;background:var(--accent);color:var(--accent-ink);display:grid;place-items:center;font-family:var(--font-display);font-weight:700;font-size:22px;box-shadow:0 3px 0 color-mix(in srgb,var(--accent) 60%,#000)}
.brand h1{font-size:26px;line-height:1.1}
.brand p{margin:0;color:var(--muted);font-size:14px}
.tabs{display:flex;gap:4px;background:var(--paper);padding:4px;border-radius:14px;border:1px solid var(--line)}
.tab{border:0;background:transparent;color:var(--muted);padding:8px 14px;border-radius:10px;font-family:var(--font-display);font-weight:600;font-size:15px}
.tab[aria-selected="true"]{background:var(--accent);color:var(--accent-ink)}
.status{font-size:12px;color:var(--muted);display:flex;align-items:center;gap:6px}
.status i{width:8px;height:8px;border-radius:50%;background:var(--warn);display:inline-block}
.status.cloud i{background:var(--good)}

/* Lições */
.lessons{display:flex;gap:10px;overflow-x:auto;padding-bottom:4px;scrollbar-width:thin}
.lesson{flex:0 0 auto;min-width:150px;max-width:190px;text-align:left;background:var(--paper);border:2px solid var(--line);border-radius:14px;padding:10px 12px;color:var(--ink);display:flex;flex-direction:column;gap:2px}
.lesson[aria-pressed="true"]{border-color:var(--accent);box-shadow:0 3px 0 var(--accent)}
.lesson .n{font-size:11px;letter-spacing:.08em;text-transform:uppercase;color:var(--muted)}
.lesson .t{font-family:var(--font-display);font-weight:600;font-size:16px;line-height:1.2}
.lesson .s{font-size:13px;color:var(--muted);font-variant-numeric:tabular-nums}
.stars{color:var(--sun);letter-spacing:1px}
.stars .off{color:var(--line)}

/* Folha de caderno */
.sheet{position:relative;background:var(--paper);border-radius:18px;border:1px solid var(--line);padding:18px 20px 22px 56px;cursor:text;
  background-image:repeating-linear-gradient(to bottom,transparent 0,transparent 47px,var(--line) 47px,var(--line) 48px);background-position:0 30px}
.sheet::before{content:"";position:absolute;left:38px;top:0;bottom:0;width:2px;background:var(--margin);opacity:.7}
.sheet-head{display:flex;flex-wrap:wrap;justify-content:space-between;gap:8px 16px;align-items:baseline;margin-bottom:6px}
.sheet-head h2{font-size:20px}
.sheet-head p{margin:0;color:var(--muted);font-size:14px}
.text{font-family:var(--font-mono);font-size:clamp(20px,3.4vw,28px);line-height:48px;letter-spacing:.02em;word-break:break-word;min-height:96px;user-select:none}
.text span{border-radius:4px;transition:background .08s}
.text .ok{color:var(--muted)}
.text .fix{color:var(--warn)}
.text .cur{background:var(--sun);color:var(--sun-ink);box-shadow:0 3px 0 var(--ink)}
.text .cur.sp{min-width:.6em;display:inline-block}
.text .shake{animation:shake .22s;background:var(--bad);color:#fff}
@keyframes shake{25%{transform:translateX(-3px)}75%{transform:translateX(3px)}}
.hint{position:absolute;inset:auto 16px 12px 56px;text-align:center;font-family:var(--font-display);font-weight:600;color:var(--accent);font-size:15px;pointer-events:none}
#trap{position:absolute;left:56px;top:60px;width:2px;height:2px;opacity:0;border:0;padding:0;resize:none;caret-color:transparent}

/* Placar ao vivo */
.live{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:10px}
.live div{background:var(--paper);border:1px solid var(--line);border-radius:14px;padding:8px 12px}
.live b{display:block;font-family:var(--font-display);font-size:28px;line-height:1.1;font-variant-numeric:tabular-nums}
.live span{font-size:12px;color:var(--muted);text-transform:uppercase;letter-spacing:.07em}
.live .e b{color:var(--bad)} .live .a b{color:var(--good)}
.row-actions{display:flex;flex-wrap:wrap;gap:8px;justify-content:flex-end}
.btn{border:2px solid var(--line);background:var(--paper);color:var(--ink);padding:8px 14px;border-radius:12px;font-family:var(--font-display);font-weight:600}
.btn.primary{background:var(--accent);border-color:var(--accent);color:var(--accent-ink)}
.btn.danger{color:var(--bad)}

/* Teclado ABNT2 */
.kb-wrap{overflow-x:auto}
.kb{display:flex;flex-direction:column;gap:5px;min-width:560px;max-width:820px;margin:0 auto;user-select:none}
.kr{display:flex;gap:5px}
.k{flex:1 1 0;height:44px;border-radius:9px;border:1px solid var(--line);border-bottom-width:3px;display:flex;align-items:center;justify-content:center;font-family:var(--font-mono);font-size:15px;color:var(--ink);position:relative}
.k small{position:absolute;top:2px;left:5px;font-size:10px;color:var(--muted)}
.k.home::after{content:"";position:absolute;bottom:6px;width:10px;height:2px;border-radius:2px;background:var(--muted)}
.k.w15{flex-grow:1.5}.k.w2{flex-grow:2.2}.k.space{flex-grow:7}
.k.f1{background:var(--f1)}.k.f2{background:var(--f2)}.k.f3{background:var(--f3)}.k.f4{background:var(--f4)}.k.f5{background:var(--f5)}
.k.on{background:var(--sun);color:var(--sun-ink);border-color:var(--ink);transform:translateY(-2px)}
.finger{text-align:center;color:var(--muted);font-size:14px;margin-top:8px;min-height:21px}
.finger b{color:var(--ink)}

/* Resultado */
.result{display:flex;flex-direction:column;align-items:center;gap:10px;text-align:center;padding:10px 0}
.result .big-stars{font-size:44px;color:var(--sun);letter-spacing:4px}
.result .big-stars .off{color:var(--line)}
.result h2{font-size:28px}
.result p{margin:0;color:var(--muted)}
.result .nums{display:flex;flex-wrap:wrap;justify-content:center;gap:18px 28px;margin:8px 0}
.result .nums div{display:flex;flex-direction:column}
.result .nums b{font-family:var(--font-display);font-size:30px;font-variant-numeric:tabular-nums}
.result .nums span{font-size:12px;color:var(--muted);text-transform:uppercase;letter-spacing:.07em}

/* Painel de progresso */
.panel{display:flex;flex-direction:column;gap:20px}
.tiles{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px}
.tile{background:var(--paper);border:1px solid var(--line);border-radius:16px;padding:12px 14px}
.tile span{font-size:12px;color:var(--muted);text-transform:uppercase;letter-spacing:.07em}
.tile b{display:block;font-family:var(--font-display);font-size:30px;line-height:1.15;font-variant-numeric:tabular-nums}
.tile small{color:var(--muted);font-size:13px}
.tile .up{color:var(--good)} .tile .down{color:var(--bad)}
.grid2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
.card{background:var(--paper);border:1px solid var(--line);border-radius:16px;padding:14px 16px;min-width:0}
.card h3{font-size:17px;margin-bottom:8px}
.card .sub{color:var(--muted);font-size:13px;margin:-4px 0 8px}
.chart svg{width:100%;height:auto;display:block}
.chart .empty,.empty-msg{color:var(--muted);font-size:14px;padding:24px 0;text-align:center}
.bars{display:flex;flex-direction:column;gap:6px}
.bar{display:grid;grid-template-columns:64px 1fr 32px;gap:8px;align-items:center;font-size:14px}
.bar .key{font-family:var(--font-mono);background:var(--bg);border:1px solid var(--line);border-radius:6px;text-align:center;padding:1px 4px}
.bar .track{height:10px;background:var(--bg);border-radius:6px;overflow:hidden}
.bar .fill{height:100%;background:var(--bad);border-radius:6px}
.bar .v{text-align:right;font-variant-numeric:tabular-nums;color:var(--muted)}
.lprog{display:flex;flex-direction:column}
.lprog div{display:grid;grid-template-columns:1fr auto auto;gap:12px;padding:7px 0;border-bottom:1px solid var(--line);font-size:14px;align-items:center}
.lprog div:last-child{border-bottom:0}
.lprog .m{color:var(--muted);font-variant-numeric:tabular-nums;font-size:13px}
.table-wrap{overflow-x:auto}
table{width:100%;border-collapse:collapse;font-size:14px;font-variant-numeric:tabular-nums}
th{text-align:left;font-weight:700;color:var(--muted);font-size:12px;text-transform:uppercase;letter-spacing:.06em;padding:6px 8px;border-bottom:2px solid var(--line);white-space:nowrap}
td{padding:7px 8px;border-bottom:1px solid var(--line);white-space:nowrap}
td.num,th.num{text-align:right}
.pill{display:inline-block;padding:1px 8px;border-radius:99px;font-size:12px;font-weight:700}
.pill.g{background:color-mix(in srgb,var(--good) 18%,transparent);color:var(--good)}
.pill.w{background:color-mix(in srgb,var(--warn) 18%,transparent);color:var(--warn)}
.pill.b{background:color-mix(in srgb,var(--bad) 18%,transparent);color:var(--bad)}
.del{border:0;background:transparent;color:var(--muted);font-size:13px;padding:2px 6px;border-radius:6px}
.del.armed{background:var(--bad);color:#fff}

/* Ajustes */
.form{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;max-width:760px}
.field{display:flex;flex-direction:column;gap:4px}
.field.full{grid-column:1/-1}
.field label{font-weight:700;font-size:14px}
.field small{color:var(--muted);font-size:13px}
.field input,.field textarea,.field select{font:inherit;padding:9px 12px;border-radius:10px;border:2px solid var(--line);background:var(--paper);color:var(--ink)}
.field textarea{min-height:90px;resize:vertical}
.saved{color:var(--good);font-weight:700;font-size:14px;align-self:center}
.note{color:var(--muted);font-size:13px}

/* Treino */
.treino-top{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px}
.th{font-size:26px}
.clock{font-family:var(--font-display);font-weight:700;font-size:44px;line-height:1;padding:10px 22px;border-radius:18px;background:var(--paper);border:2px solid var(--line);font-variant-numeric:tabular-nums;min-width:140px;text-align:center}
.clock.run{border-color:var(--accent);color:var(--accent)}
.clock.late{border-color:var(--bad);color:var(--bad)}
.ttext{position:relative;max-height:144px;overflow:hidden}
.trap2{position:absolute;left:56px;top:40px;width:2px;height:2px;opacity:0;border:0;padding:0;resize:none;caret-color:transparent}
.cmp{font-weight:700}.cmp.up{color:var(--good)}.cmp.down{color:var(--bad)}
.tr-charts{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin-top:12px}
.tr-charts .sub{margin:0 0 4px}
.card .tiles .tile{background:var(--bg)}
@media (max-width:720px){.tr-charts{grid-template-columns:minmax(0,1fr)}.clock{font-size:34px;min-width:110px}}

/* Jogos — o céu do jogo é um mundo próprio (sempre dia), por isso as cores dentro do palco são fixas */
.game-bar{display:flex;flex-wrap:wrap;gap:8px;align-items:center}
.seg{display:flex;flex-wrap:wrap;gap:6px}
.chip{border:2px solid var(--line);background:var(--paper);color:var(--ink);padding:6px 12px;border-radius:99px;font-family:var(--font-display);font-weight:600;font-size:14px}
.chip[aria-pressed="true"]{background:var(--accent);border-color:var(--accent);color:var(--accent-ink)}
.chip.big{font-size:16px;padding:8px 16px}
.stagebox{position:relative;border-radius:18px;overflow:hidden;border:1px solid var(--line);cursor:pointer;background:#9fd3f2}
.stagebox::after{content:"";position:absolute;inset:0;pointer-events:none;border-radius:inherit}
.stagebox.hit::after{animation:hit .25s}
@keyframes hit{0%,100%{box-shadow:none}40%{box-shadow:inset 0 0 0 6px #e0534d}}
#g-canvas{display:block;width:100%;height:380px}
.ghud{position:absolute;top:10px;left:12px;right:12px;display:flex;flex-wrap:wrap;justify-content:space-between;gap:8px;pointer-events:none}
.ghud span{background:rgba(255,255,255,.82);color:#1b2440;padding:4px 12px;border-radius:99px;font-family:var(--font-display);font-weight:600;font-size:15px;font-variant-numeric:tabular-nums}
.ghud .lives{color:#e0534d;letter-spacing:2px}
.goverlay{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px;text-align:center;background:rgba(16,40,80,.38);color:#fff;padding:16px}
.goverlay h2{font-size:clamp(24px,4.5vw,38px);text-shadow:0 2px 0 rgba(0,0,0,.25)}
.goverlay p{margin:0;font-size:16px;max-width:46ch;text-shadow:0 1px 0 rgba(0,0,0,.3)}
.goverlay .press{font-family:var(--font-display);font-weight:600;font-size:20px;animation:pulse 1.4s infinite}
@keyframes pulse{50%{opacity:.55}}
.gnums{display:flex;flex-wrap:wrap;justify-content:center;gap:12px 26px}
.gnums div{display:flex;flex-direction:column}
.gnums b{font-family:var(--font-display);font-size:32px;font-variant-numeric:tabular-nums}
.gnums span{font-size:12px;text-transform:uppercase;letter-spacing:.07em;opacity:.9}
#g-trap{position:absolute;left:12px;top:60px;width:2px;height:2px;opacity:0;border:0;padding:0;resize:none;caret-color:transparent}

@media (max-width:720px){
  .tiles{grid-template-columns:repeat(2,minmax(0,1fr))}
  .grid2,.form{grid-template-columns:minmax(0,1fr)}
  .live{grid-template-columns:repeat(2,minmax(0,1fr))}
  .sheet{padding-left:44px}.sheet::before{left:28px}
}
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}

/* ===== Páginas do servidor: login, instalador, painel ===== */
[hidden]{display:none!important}
.auth{min-height:100vh;display:grid;place-items:center;padding-left:max(16px,env(safe-area-inset-left,0px));padding-right:max(16px,env(safe-area-inset-right,0px));padding-block:32px}
.auth-wrap{width:100%;max-width:820px;display:flex;flex-direction:column;gap:18px}
.auth-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
.auth-card{background:var(--paper);border:1px solid var(--line);border-radius:18px;padding:22px;display:flex;flex-direction:column;gap:12px;min-width:0}
.auth-card.wide{max-width:760px;width:100%}
.auth-card h2{font-size:22px}
.auth-card .note{margin:0}
.brand.center{justify-content:center}
.btn.big{padding:11px 18px;font-size:17px}
a.btn{text-decoration:none;display:inline-flex;align-items:center}
.flash{padding:10px 14px;border-radius:12px;font-weight:700;font-size:15px}
.flash.ok{background:color-mix(in srgb,var(--good) 15%,var(--paper));color:var(--good)}
.flash.erro{background:color-mix(in srgb,var(--bad) 13%,var(--paper));color:var(--bad)}
.form-title{grid-column:1/-1;font-size:18px;margin-top:6px}
.note.full{grid-column:1/-1;margin:0}
.form.one{grid-template-columns:minmax(0,1fr)}
code{font-family:var(--font-mono);font-size:13px;background:var(--bg);padding:1px 6px;border-radius:6px;word-break:break-all}
.section-title{font-size:22px}
.alunos{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(100%,440px),1fr));gap:14px}
.aluno{display:flex;flex-direction:column;gap:12px}
.aluno h3{font-size:20px;margin:0}
.aluno .note{margin:2px 0 0}
.mini{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:8px}
.mini div{background:var(--bg);border-radius:12px;padding:8px 10px;display:flex;flex-direction:column;min-width:0}
.mini span{font-size:11px;text-transform:uppercase;letter-spacing:.06em;color:var(--muted)}
.mini b{font-family:var(--font-display);font-size:20px;font-variant-numeric:tabular-nums}
.mini small{font-size:12px;color:var(--muted)}
details{border-top:1px solid var(--line);padding-top:10px}
summary{cursor:pointer;font-weight:700;color:var(--muted);font-size:14px}
details .form{margin-top:12px}
.danger-zone{display:flex;flex-wrap:wrap;gap:10px;align-items:center;justify-content:space-between;margin-top:14px;padding:10px 12px;border:1px dashed color-mix(in srgb,var(--bad) 50%,var(--line));border-radius:12px;font-size:14px}
.userbar{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:14px;color:var(--muted)}
.userbar b{color:var(--ink)}
.netnote{font-size:13px;color:var(--warn);text-align:right}
.netnote.ok{color:var(--muted)}
@media (max-width:720px){.auth-grid{grid-template-columns:minmax(0,1fr)}.mini{grid-template-columns:repeat(2,minmax(0,1fr))}}
/* Painel: gerenciar responsáveis (v1.1) */
details.inline{border:0;padding:0;text-align:left}
details.inline summary{display:inline-block}
.inline-form{display:flex;flex-wrap:wrap;gap:6px;align-items:center;justify-content:flex-end;margin-top:8px;font-size:13px}
.inline-form input[type=password]{font:inherit;padding:6px 10px;border-radius:10px;border:2px solid var(--line);background:var(--paper);color:var(--ink);width:150px}