/* 4studio – visual estilo Apple (escuro) */
@font-face{font-family:"Inter";font-weight:400;font-style:normal;font-display:swap;src:url(fonts/inter-latin-400-normal.woff2) format("woff2")}
@font-face{font-family:"Inter";font-weight:500;font-style:normal;font-display:swap;src:url(fonts/inter-latin-500-normal.woff2) format("woff2")}
@font-face{font-family:"Inter";font-weight:600;font-style:normal;font-display:swap;src:url(fonts/inter-latin-600-normal.woff2) format("woff2")}
@font-face{font-family:"Inter";font-weight:700;font-style:normal;font-display:swap;src:url(fonts/inter-latin-700-normal.woff2) format("woff2")}
@font-face{font-family:"Inter";font-weight:800;font-style:normal;font-display:swap;src:url(fonts/inter-latin-800-normal.woff2) format("woff2")}

:root{
  --bg:#000; --s1:#1C1C1E; --s2:#2C2C2E; --s3:#3A3A3C;
  --sep:rgba(84,84,88,.5); --text:#fff; --mut:#9A9AA1;
  --blue:#0A84FF; --blue-fill:#0071E3; --link:#2997FF;
  --red:#FF453A; --red-fill:#D92D20; --green:#30D158; --warn:#FFD60A;
  --glass:rgba(40,40,44,.55); --r:14px;
  --font:-apple-system,BlinkMacSystemFont,"SF Pro Text","SF Pro Display","Inter","Segoe UI",Roboto,Helvetica,Arial,sans-serif;
}
*{box-sizing:border-box}
html,body{margin:0;min-height:100%;background:var(--bg);color:var(--text);
  font:15px/1.4 var(--font);-webkit-text-size-adjust:100%;-webkit-font-smoothing:antialiased;letter-spacing:-.01em}
button,input,select,textarea{font:inherit;color:inherit;letter-spacing:inherit}
.hidden,[hidden]{display:none!important}
svg.i{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;flex:none}
.glass{background:var(--glass);-webkit-backdrop-filter:saturate(180%) blur(24px);backdrop-filter:saturate(180%) blur(24px)}

/* ---------- botões ---------- */
.btn{background:var(--s2);border:0;color:var(--text);padding:9px 16px;border-radius:999px;cursor:pointer;
  display:inline-flex;align-items:center;justify-content:center;gap:8px;font-weight:600;white-space:nowrap;transition:background .15s,opacity .15s,transform .1s}
.btn:hover{background:var(--s3)}
.btn:active{transform:scale(.97)}
.btn:disabled{opacity:.4;cursor:not-allowed}
.btn.primary{background:var(--blue-fill);color:#fff}
.btn.primary:hover{background:#0a7cf0}
.btn.tint{background:rgba(10,132,255,.16);color:var(--blue)}
.btn.tint:hover{background:rgba(10,132,255,.26)}
.btn.ghost{background:transparent;color:var(--link)}
.btn.ghost:hover{background:rgba(255,255,255,.06)}
.btn.big{padding:14px 28px;font-size:17px}
.btn.sm{padding:7px 14px;font-size:14px}
.btn.on{background:var(--blue-fill);color:#fff}

/* ---------- landing ---------- */
body.landing{min-height:100dvh;display:flex;align-items:center;justify-content:center;padding:28px;
  background:radial-gradient(900px 520px at 50% -8%,rgba(10,132,255,.22) 0,transparent 62%),#000}
.hero{max-width:560px;width:100%;text-align:center}
.logo{display:inline-flex;align-items:center;gap:10px;font-weight:800;letter-spacing:-.04em}
.logo i{width:1.7em;height:1.7em;border-radius:28%;background:linear-gradient(145deg,#2997FF,#0A4FD6);display:grid;place-items:center;font-style:normal;font-size:.6em;color:#fff;font-weight:800}
.hero h1{font-size:56px;margin:0 0 10px;line-height:1.05}
.lead{color:var(--mut);font-size:19px;margin:0 auto 30px;max-width:460px}
.steps{text-align:left;list-style:none;counter-reset:s;padding:0;margin:0 0 28px;background:var(--s1);border-radius:var(--r);overflow:hidden}
.steps li{counter-increment:s;padding:14px 16px 14px 56px;position:relative;border-top:.5px solid var(--sep)}
.steps li:first-child{border-top:0}
.steps li::before{content:counter(s);position:absolute;left:16px;top:50%;transform:translateY(-50%);width:26px;height:26px;border-radius:50%;
  background:rgba(10,132,255,.2);color:var(--blue);display:grid;place-items:center;font-weight:700;font-size:14px}
.hero .btn{margin:4px}
.hero input{background:var(--s1);border:0;border-radius:12px;padding:13px 14px;text-align:center;margin-bottom:12px;width:220px;outline:none}
.hero input:focus{box-shadow:0 0 0 3px rgba(10,132,255,.5)}
.msg{min-height:22px;color:var(--warn);margin:14px 0 0}
.foot{color:var(--mut);font-size:13px;margin-top:22px}

/* ---------- painel ---------- */
body.studio{height:100vh;overflow:hidden;display:flex;flex-direction:column}
.top{height:60px;flex:none;display:flex;align-items:center;gap:14px;padding:0 18px;border-bottom:.5px solid var(--sep);
  background:rgba(28,28,30,.72);-webkit-backdrop-filter:saturate(180%) blur(24px);backdrop-filter:saturate(180%) blur(24px);position:relative;z-index:5}
.brand{font-size:19px}
.chip{background:var(--s2);border-radius:999px;padding:4px 12px;font-size:13px;color:var(--mut);display:inline-flex;align-items:center;gap:6px}
.chip b{color:var(--text);letter-spacing:.08em;font-weight:600}
.spacer{flex:1}
.seg{display:inline-flex;background:var(--s2);border-radius:10px;padding:2px;gap:2px}
.seg button{background:transparent;border:0;border-radius:8px;padding:6px 14px;font-size:13.5px;font-weight:500;cursor:pointer;color:var(--text);white-space:nowrap}
.seg button.on{background:#636366;box-shadow:0 1px 3px rgba(0,0,0,.4);font-weight:600}
.seg button:disabled{color:#636366;cursor:not-allowed}
.timer{font-variant-numeric:tabular-nums;font-weight:600;color:var(--red);display:flex;align-items:center;gap:7px}
.timer::before{content:"";width:9px;height:9px;border-radius:50%;background:var(--red);animation:blink 1.2s infinite}
@keyframes blink{50%{opacity:.25}}
.recbtn{display:inline-flex;align-items:center;gap:10px;background:transparent;border:0;cursor:pointer;color:var(--text);font-weight:600;padding:3px 6px 3px 3px;border-radius:999px}
.recbtn i{width:34px;height:34px;border-radius:50%;border:2.5px solid #fff;display:grid;place-items:center;flex:none}
.recbtn i::after{content:"";width:20px;height:20px;border-radius:50%;background:var(--red);transition:all .2s}
.recbtn.on i::after{width:14px;height:14px;border-radius:4px}
.recbtn:hover i{border-color:#d1d1d6}
.work{flex:1;min-height:0;display:grid;grid-template-columns:minmax(0,1fr) 340px}
.stage{padding:18px;overflow:auto;display:flex;flex-direction:column;gap:14px;min-width:0}
.program{flex:none;position:relative;background:#000;border-radius:18px;overflow:hidden;
  width:100%;max-width:calc((100vh - 330px) * 16 / 9);min-width:320px;margin:0 auto;aspect-ratio:16/9;
  box-shadow:0 0 0 .5px var(--sep),0 18px 50px rgba(0,0,0,.6);transition:box-shadow .2s}
.program.recording{box-shadow:0 0 0 3px var(--red),0 18px 50px rgba(0,0,0,.6)}
.program canvas{width:100%;height:100%;display:block;object-fit:contain;background:#000}
.fsbtn{position:absolute;right:12px;top:12px;width:34px;height:34px;border-radius:50%;border:0;cursor:pointer;color:#fff;display:grid;place-items:center;
  background:var(--glass);-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);opacity:.85;transition:opacity .15s}
.fsbtn:hover{opacity:1}
.program:fullscreen{max-width:none;min-width:0;width:100vw;height:100vh;aspect-ratio:auto;border-radius:0;box-shadow:none;display:grid;place-items:center}
.program:-webkit-full-screen{max-width:none;min-width:0;width:100vw;height:100vh;aspect-ratio:auto;border-radius:0;box-shadow:none}
.program:fullscreen canvas{width:100vw;height:100vh}
.program:fullscreen.recording{box-shadow:inset 0 0 0 4px var(--red)}
.onair{position:absolute;left:12px;top:12px;background:var(--red-fill);color:#fff;font-weight:700;font-size:12px;letter-spacing:.06em;padding:4px 10px;border-radius:999px}
.scenebar{display:flex;gap:10px;justify-content:center;flex-wrap:wrap;color:var(--mut);font-size:13px;align-items:center}
.kbd{background:var(--s2);border-radius:6px;padding:1px 7px;font-size:12px;color:var(--text)}
.tilehead{display:flex;align-items:center;justify-content:space-between;margin:2px 2px 0}
.tilehead h2{margin:0;font-size:17px;font-weight:700}
.tilehead span{color:var(--mut);font-weight:400;font-size:14px;margin-left:6px}
.tiles{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:12px}
.tile{background:var(--s1);border-radius:var(--r);overflow:hidden;display:flex;flex-direction:column;box-shadow:0 0 0 .5px var(--sep);transition:box-shadow .15s}
.tile.live{box-shadow:0 0 0 2.5px var(--red)}
.tile .vwrap{position:relative;aspect-ratio:16/9;background:#000;cursor:pointer}
.tile video{position:absolute;inset:0;width:100%;height:100%;object-fit:contain;background:#000;display:block}
.tile.off video{opacity:.25}
.tile .slot{position:absolute;left:8px;top:8px;width:26px;height:26px;border-radius:50%;display:grid;place-items:center;font-weight:700;font-size:13px;
  background:var(--glass);-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px)}
.tile .state{position:absolute;right:8px;top:8px;font-size:11.5px;font-weight:600;border-radius:999px;padding:3px 10px;
  background:var(--glass);-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);color:var(--mut)}
.tile .state.ok{color:var(--green)} .tile .state.live{background:var(--red-fill);color:#fff}
.tile .meta{display:flex;align-items:center;gap:6px;padding:8px 10px}
.tile .name{flex:1;min-width:0;background:transparent;border:0;border-radius:8px;padding:4px 6px;font-weight:600;outline:none}
.tile .name:hover{background:var(--s2)}
.tile .name:focus{background:var(--s2);box-shadow:0 0 0 2px rgba(10,132,255,.6)}
.meter{width:34px;height:6px;border-radius:3px;background:var(--s3);overflow:hidden;flex:none}
.meter i{display:block;height:100%;width:0;background:var(--green);transition:width .08s}
.ic{background:var(--s2);border:0;border-radius:50%;width:30px;height:30px;cursor:pointer;display:grid;place-items:center;flex:none;padding:0;color:var(--text);transition:background .15s,color .15s}
.ic:hover{background:var(--s3)}
.ic.off{color:#636366;background:transparent}
.ic.x:hover{background:rgba(255,69,58,.2);color:var(--red)}
.addcard{border:1.5px dashed var(--s3);border-radius:var(--r);min-height:130px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;color:var(--link);cursor:pointer;text-align:center;padding:12px;font-weight:600}
.addcard small{color:var(--mut);font-weight:400}
.addcard:hover{background:rgba(41,151,255,.07)}
.side{background:var(--bg);border-left:.5px solid var(--sep);padding:18px;overflow:auto;display:flex;flex-direction:column;gap:22px}
.side h3{margin:0 0 8px 14px;font-size:12.5px;text-transform:uppercase;letter-spacing:.04em;color:var(--mut);font-weight:500}
.group{background:var(--s1);border-radius:var(--r);overflow:hidden}
.group .row{margin:0;padding:11px 14px;border-top:.5px solid var(--sep);flex-wrap:nowrap}
.group .row:first-child{border-top:0}
.group textarea{display:block;width:100%;min-height:150px;resize:vertical;background:transparent;border:0;padding:13px 14px;line-height:1.5;outline:none}
.group .btns{padding:12px 14px;border-top:.5px solid var(--sep)}
.row{display:flex;align-items:center;gap:12px}
.row label{color:var(--text);font-size:14.5px;flex:1}
.row .val{color:var(--mut);font-size:14px;min-width:34px;text-align:right}
.row select{background:var(--s2);border:0;border-radius:8px;padding:6px 10px;outline:none}
.btns{display:flex;gap:8px;flex-wrap:wrap}
.hint{color:var(--mut);font-size:12.5px;margin:8px 14px 0;line-height:1.4}
/* iOS switch */
input[type=checkbox].sw{-webkit-appearance:none;appearance:none;width:51px;height:31px;border-radius:999px;background:#39393D;position:relative;cursor:pointer;flex:none;margin:0;transition:background .2s;outline:none}
input[type=checkbox].sw::after{content:"";position:absolute;left:2px;top:2px;width:27px;height:27px;border-radius:50%;background:#fff;box-shadow:0 2px 4px rgba(0,0,0,.35);transition:transform .2s}
input[type=checkbox].sw:checked{background:var(--green)}
input[type=checkbox].sw:checked::after{transform:translateX(20px)}
input[type=checkbox].sw:focus-visible{box-shadow:0 0 0 3px rgba(10,132,255,.6)}
/* slider */
input[type=range]{-webkit-appearance:none;appearance:none;flex:1;min-width:80px;height:4px;border-radius:2px;outline:none;cursor:pointer;
  background:linear-gradient(to right,var(--blue) var(--p,50%),#48484A var(--p,50%))}
input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;width:24px;height:24px;border-radius:50%;background:#fff;box-shadow:0 1px 4px rgba(0,0,0,.5)}
input[type=range]::-moz-range-thumb{width:24px;height:24px;border:0;border-radius:50%;background:#fff;box-shadow:0 1px 4px rgba(0,0,0,.5)}
.toast{position:fixed;left:50%;bottom:24px;transform:translateX(-50%);background:var(--glass);-webkit-backdrop-filter:blur(24px);backdrop-filter:blur(24px);
  padding:11px 18px;border-radius:999px;z-index:50;box-shadow:0 10px 40px rgba(0,0,0,.6);max-width:90vw}
dialog{background:var(--s1);color:var(--text);border:0;border-radius:22px;padding:26px;max-width:420px;width:92vw;text-align:center;box-shadow:0 30px 80px rgba(0,0,0,.7)}
dialog::backdrop{background:rgba(0,0,0,.55);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}
dialog h2{margin:0 0 4px;font-size:22px}
dialog p{color:var(--mut);margin:4px 0 12px}
#qr{background:#fff;border-radius:16px;padding:12px;width:240px;height:240px;margin:10px auto}
#qr svg{width:100%;height:100%;display:block}
#inviteUrl{width:100%;background:var(--s2);border:0;border-radius:10px;padding:10px;text-align:center;font-size:13px;margin-bottom:12px;outline:none}

@media (max-width:1000px){
  body.studio{height:auto;overflow:auto}
  .work{grid-template-columns:1fr}
  .side{border-left:0;border-top:.5px solid var(--sep)}
  .program{max-width:100%}
  .top{flex-wrap:wrap;height:auto;padding:10px 14px}
}

/* ---------- câmera (celular) ---------- */
body.cam{background:#000;min-height:100dvh;overflow:hidden}
#setup{height:100dvh;overflow-y:auto;padding:26px 18px;display:flex;flex-direction:column;justify-content:safe center;gap:14px;max-width:460px;margin:0 auto}
#setup h1{margin:0;font-size:34px}
#setup .room{color:var(--mut);margin-top:-6px}
#setup .group .row{padding:13px 14px}
#setup select,#setup input[type=text]{background:transparent;border:0;padding:0;outline:none;text-align:right;max-width:58%;color:var(--link)}
#setup input[type=text]{color:var(--text)}
#setup .err{color:var(--warn);min-height:22px;text-align:center}
#setup .hint{text-align:center}
#live{position:fixed;inset:0;background:#000;padding:max(env(safe-area-inset-top),8px) 8px max(env(safe-area-inset-bottom),8px)}
#self{width:100%;height:100%;object-fit:cover;display:block;border-radius:22px}
#self.mirror{transform:scaleX(-1)}
#tally{position:absolute;inset:max(env(safe-area-inset-top),8px) 8px max(env(safe-area-inset-bottom),8px);border-radius:22px;pointer-events:none;z-index:2;transition:box-shadow .12s}
#tally.on{box-shadow:0 0 0 4px var(--red),inset 0 0 0 0 transparent}
#tally span{display:none}
.camtop{position:absolute;left:0;right:0;top:calc(max(env(safe-area-inset-top),8px) + 12px);padding:0 22px;display:flex;gap:8px;align-items:center;z-index:6}
.camtop .chip{background:var(--glass);-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);color:#fff;font-weight:500}
.camtop .chip.ok{color:var(--green)}
.camtop .chip.bad{color:var(--warn)}
.camtop .onpill{display:none;background:var(--red-fill);color:#fff;font-weight:700;font-size:12.5px;letter-spacing:.06em;padding:5px 12px;border-radius:999px}
#tally.on ~ .camtop .onpill{display:inline-block}
.recpill{display:none;align-items:center;gap:6px;background:var(--glass);-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);padding:5px 12px;border-radius:999px;font-weight:600;font-size:12.5px}
.recpill.on{display:inline-flex}
.recpill::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--red);animation:blink 1.2s infinite}
.cambtns{position:absolute;right:20px;top:50%;transform:translateY(-50%);display:flex;flex-direction:column;gap:12px;z-index:6}
.round{width:50px;height:50px;border-radius:50%;border:0;background:var(--glass);-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);color:#fff;cursor:pointer;display:grid;place-items:center}
.round svg.i{width:22px;height:22px}
.round.off{background:var(--red-fill)}
@media (orientation:portrait){
  .cambtns{right:auto;left:50%;top:auto;bottom:calc(max(env(safe-area-inset-bottom),8px) + 22px);transform:translateX(-50%);flex-direction:row}
}
#rot{position:absolute;left:24px;right:24px;top:calc(max(env(safe-area-inset-top),8px) + 62px);background:var(--glass);-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);color:#fff;
  padding:9px 14px;border-radius:14px;text-align:center;font-size:14px;display:none;z-index:6}
@media (orientation:portrait){ #rot.show{display:block} }
#pt{position:absolute;inset:max(env(safe-area-inset-top),8px) 8px max(env(safe-area-inset-bottom),8px);border-radius:22px;background:rgba(0,0,0,.62);
  -webkit-backdrop-filter:blur(26px) saturate(150%);backdrop-filter:blur(26px) saturate(150%);z-index:4;overflow:hidden}
#ptBox{position:absolute;inset:0;overflow:hidden;
  -webkit-mask-image:linear-gradient(transparent 0,#000 18%,#000 82%,transparent 100%);mask-image:linear-gradient(transparent 0,#000 18%,#000 82%,transparent 100%)}
#ptTxt{position:absolute;left:0;right:0;top:0;padding:42vh 9vw 70vh;text-align:center;font-weight:700;line-height:1.35;color:#fff;white-space:pre-wrap;will-change:transform}
#ptLine{position:absolute;left:0;right:0;top:42vh;height:0;pointer-events:none}
#ptLine::before,#ptLine::after{content:"";position:absolute;top:-6px;border:6px solid transparent}
@media (orientation:landscape){#ptLine::after{display:none}}
#ptLine::before{left:8px;border-left:10px solid var(--red);border-right:0}
#ptLine::after{right:8px;border-right:10px solid var(--red);border-left:0}
#pt .hintpt{position:absolute;left:50%;transform:translateX(-50%);bottom:calc(env(safe-area-inset-bottom) + 14px);white-space:nowrap;
  background:var(--glass);-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);color:#fff;font-size:12.5px;padding:6px 14px;border-radius:999px;pointer-events:none}