:root{
  --bg:#0B0B0F; --bg1:#121217; --bg2:#1A1A21; --bg3:#24242D; --line:rgba(255,255,255,.08); --line2:rgba(255,255,255,.14);
  --fg:#F4F3F1; --mute:#9A9AA6; --dim:#6E6E7A;
  --a:#7C5CFF; --a-soft:rgba(124,92,255,.16); --b:#FF5A1F; --b-soft:rgba(255,90,31,.14); --ok:#2BD38F;
  --font:"Inter Tight",ui-sans-serif,system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --mono:"JetBrains Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  --ease:cubic-bezier(.16,1,.3,1);
  --f-hook:#7C5CFF; --f-pivo:#5B8CFF; --f-capitulo:#2BD3B4; --f-payoff:#FF5A1F; --f-lockup:#C9C9D2;
}
*{box-sizing:border-box;margin:0;padding:0}
html,body{height:100%}
body{font-family:var(--font);background:var(--bg);color:var(--fg);font-size:15.5px;line-height:1.5;-webkit-font-smoothing:antialiased;display:flex;flex-direction:column;overflow-x:hidden}
a{color:inherit}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
input,textarea{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--a);outline-offset:2px;border-radius:8px}
.mono{font-family:var(--mono)}
.dim{color:var(--dim)}
.lbl{font:500 11px/1.2 var(--mono);letter-spacing:.14em;text-transform:uppercase;color:var(--mute)}
[hidden]{display:none!important}

/* ── topo ── */
.top{position:sticky;top:0;z-index:20;display:flex;align-items:center;gap:20px;padding:12px 20px;background:rgba(11,11,15,.8);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border-bottom:1px solid var(--line)}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;font-weight:800;font-size:17px;white-space:nowrap}
.brand svg{width:28px;height:28px}
.brand em{font-style:normal;font-weight:500;color:var(--mute)}
.tabs{display:flex;gap:4px;padding:4px;background:var(--bg1);border:1px solid var(--line);border-radius:14px;margin:0 auto}
.tabs button{padding:8px 14px;border-radius:10px;font-size:14px;font-weight:600;color:var(--mute);white-space:nowrap;transition:background .2s,color .2s}
.tabs button[aria-selected="true"]{background:var(--fg);color:var(--bg)}
.tabs button:not([aria-selected="true"]):hover{color:var(--fg)}
.engine{display:flex;align-items:center;gap:8px;font:500 12px/1 var(--mono);color:var(--mute);white-space:nowrap;padding:8px 12px;border:1px solid var(--line);border-radius:99px}
.engine i{width:8px;height:8px;border-radius:50%;background:var(--dim)}
.engine.ok i{background:var(--ok);box-shadow:0 0 10px var(--ok)}
.engine.bad i{background:var(--b)}
@media (max-width:900px){
  .top{flex-wrap:wrap;gap:10px;padding:10px 12px}
  .engine{margin-left:auto}
  .tabs{order:3;width:100%;overflow-x:auto}
  .tabs button{flex:1}
  .engine span{max-width:150px;overflow:hidden;text-overflow:ellipsis}
}

main{flex:1;display:flex;min-height:0}
.panel{flex:1;display:grid;grid-template-columns:400px 1fr;min-height:0}
@media (max-width:1000px){.panel{grid-template-columns:1fr}}

/* ── formulário ── */
.side{padding:28px 24px;border-right:1px solid var(--line);display:flex;flex-direction:column;gap:16px;background:var(--bg)}
@media (min-width:1001px){.side{position:sticky;top:61px;height:calc(100vh - 61px);overflow:auto}}
.side-head h1{font-size:30px;line-height:1.05;font-weight:800;letter-spacing:-.03em}
.side-head p{color:var(--mute);margin-top:10px;font-size:14.5px}
.fld{display:flex;flex-direction:column;gap:8px;position:relative;min-width:0}
textarea,input:not([type]){width:100%;background:var(--bg1);border:1px solid var(--line);border-radius:14px;padding:12px 14px;resize:vertical;transition:border-color .2s,background .2s}
textarea:focus,input:not([type]):focus{outline:none;border-color:var(--a);background:var(--bg2)}
.count{position:absolute;right:12px;bottom:10px;font:500 11px var(--mono);color:var(--dim)}
.examples{display:flex;flex-wrap:wrap;gap:6px}
.examples button,.sugs button{font-size:13px;padding:7px 12px;border-radius:99px;border:1px solid var(--line2);color:#C9C9D2;transition:border-color .2s,background .2s}
.examples button:hover,.sugs button:hover{border-color:var(--a);background:var(--a-soft)}
.row2{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.seg{display:inline-flex;padding:4px;border-radius:12px;background:var(--bg1);border:1px solid var(--line)}
.seg button{flex:1;padding:8px 10px;border-radius:9px;font:600 13px/1 var(--mono);color:var(--mute);white-space:nowrap}
.seg button[aria-checked="true"]{background:var(--fg);color:var(--bg)}
.btn-b{display:inline-flex;align-items:center;justify-content:center;gap:10px;background:var(--b);color:#fff;font-weight:700;border-radius:14px;padding:12px 18px;box-shadow:0 10px 30px -12px rgba(255,90,31,.8);transition:transform .3s var(--ease),opacity .2s}
.btn-b:hover{transform:translateY(-1px)}
.btn-b:disabled{opacity:.55;cursor:not-allowed;transform:none}
.btn-b.big{padding:16px 18px;font-size:16px}
.btn-b kbd{font:500 11px var(--mono);opacity:.75;background:rgba(0,0,0,.18);padding:3px 6px;border-radius:6px}
.ghost{border:1px solid var(--line2);border-radius:11px;padding:9px 14px;font-weight:600;font-size:14px;display:inline-flex;align-items:center;gap:8px;transition:background .2s,border-color .2s}
.ghost:hover{background:rgba(255,255,255,.05);border-color:rgba(255,255,255,.25)}
.ghost.sm{padding:7px 12px;font-size:13px}
.ghost[aria-pressed="true"]{border-color:var(--b);color:var(--b)}
.fine{font-size:12.5px;color:var(--dim)}
.play-ic{display:inline-block;width:0;height:0;border-left:9px solid currentColor;border-top:6px solid transparent;border-bottom:6px solid transparent}
[aria-pressed="true"] .play-ic{width:10px;height:11px;border:0;border-left:3px solid;border-right:3px solid}

/* ── saída ── */
.out{padding:28px clamp(16px,3vw,40px) 60px;min-width:0}
.empty{height:100%;min-height:420px;display:grid;place-content:center;text-align:center;gap:10px;color:var(--mute)}
.empty h2{color:var(--fg);font-size:24px;letter-spacing:-.02em}
.empty-art{display:flex;gap:6px;justify-content:center;margin-bottom:18px}
.empty-art span{width:38px;height:56px;border-radius:9px;background:var(--bg2);border:1px solid var(--line);animation:bob 2.4s var(--ease) infinite}
.empty-art span:nth-child(1){background:var(--f-hook);opacity:.7}.empty-art span:nth-child(2){animation-delay:.1s}.empty-art span:nth-child(3){background:var(--f-capitulo);opacity:.6;animation-delay:.2s}.empty-art span:nth-child(4){animation-delay:.3s}.empty-art span:nth-child(5){background:var(--f-payoff);opacity:.7;animation-delay:.4s}.empty-art span:nth-child(6){animation-delay:.5s;width:60px}
@keyframes bob{0%,100%{transform:translateY(0)}40%{transform:translateY(-8px)}}

.streaming{border:1px solid var(--line);border-radius:18px;background:var(--bg1);overflow:hidden}
.stream-head{display:flex;align-items:center;gap:12px;padding:12px 16px;border-bottom:1px solid var(--line);font-size:14px}
.stream-head .mono{color:var(--mute);font-size:12px;margin-left:auto}
.pulse{width:10px;height:10px;border-radius:50%;background:var(--b);animation:pulse 1s ease-in-out infinite}
@keyframes pulse{50%{opacity:.3;transform:scale(.7)}}
.console{font:12.5px/1.6 var(--mono);color:#B9B9C4;padding:16px;max-height:420px;overflow:auto;white-space:pre-wrap;word-break:break-word}

.plan{display:flex;flex-direction:column;gap:22px;animation:rise .6s var(--ease)}
@keyframes rise{from{opacity:0;transform:translateY(14px)}}
.plan-head{display:flex;flex-wrap:wrap;align-items:flex-end;gap:16px;justify-content:space-between}
.plan-head h2{font-size:clamp(24px,3vw,34px);font-weight:800;letter-spacing:-.03em;line-height:1.1;margin-top:6px}
.plan-actions{display:flex;flex-wrap:wrap;gap:8px}
.answers{display:grid;grid-template-columns:1fr 1fr 1.4fr;gap:12px}
@media (max-width:1200px){.answers{grid-template-columns:1fr}}
.answers>div{background:var(--bg1);border:1px solid var(--line);border-radius:16px;padding:14px 16px}
.answers p{margin-top:8px;font-weight:600}
.answers .arrow{color:var(--mute);font-weight:400}
.hl{color:var(--b)}

/* animatic */
.stage-wrap{display:flex;justify-content:center;background:var(--bg1);border:1px solid var(--line);border-radius:20px;padding:16px}
.stage{position:relative;width:100%;max-width:820px;aspect-ratio:16/9;border-radius:14px;background:#08080B;overflow:hidden;container-type:inline-size}
.stage[data-fmt="9:16"]{aspect-ratio:9/16;max-width:300px}
.stage-inner{position:absolute;inset:0;display:grid;place-items:center;padding:6%;text-align:center}
.stage-tc{position:absolute;right:10px;bottom:8px;font-size:11px;color:var(--dim)}
.st-word{display:inline-block;margin:0 .12em;opacity:0;transform:translateY(30%);filter:blur(6px);animation:w .45s var(--ease) forwards}
@keyframes w{to{opacity:1;transform:none;filter:none}}
.st-hook{font-weight:800;font-size:7cqw;line-height:1.08;letter-spacing:-.03em}
.stage[data-fmt="9:16"] .st-hook,.stage[data-fmt="9:16"] .st-pay{font-size:11cqw}
.st-chip{display:inline-flex;align-items:center;gap:2cqw;padding:1.6cqw 3.4cqw 1.6cqw 1.6cqw;border-radius:99px;background:#fff;color:#16161B;font:600 3cqw/1 var(--mono);letter-spacing:.12em;text-transform:uppercase;animation:chip .7s var(--ease) both}
.stage[data-fmt="9:16"] .st-chip{font-size:5cqw}
.st-chip i{display:grid;place-items:center;width:5cqw;height:5cqw;border-radius:50%;background:var(--b);color:#fff;font-style:normal;transform:rotate(45deg)}
@keyframes chip{from{clip-path:inset(0 calc(100% - 7cqw) 0 0 round 99px);opacity:.6}to{clip-path:inset(0 0 0 0 round 99px);opacity:1}}
.st-sub{margin-top:3cqw;color:var(--mute);font-size:2.6cqw;max-width:80%;animation:w .6s .25s var(--ease) both;opacity:0}
.stage[data-fmt="9:16"] .st-sub{font-size:4.4cqw}
.st-cards{display:flex;gap:2cqw;margin-top:3cqw;perspective:600px}
.st-cards span{width:16cqw;aspect-ratio:16/10;border-radius:1.6cqw;background:linear-gradient(135deg,var(--a),var(--b));animation:card .7s var(--ease) both}
.st-cards span:nth-child(2){animation-delay:.08s;background:linear-gradient(135deg,#2BD3B4,#5B8CFF)}.st-cards span:nth-child(3){animation-delay:.16s;background:linear-gradient(135deg,#FFD24C,#FF5A1F)}
@keyframes card{from{opacity:0;transform:translateX(40%) rotateY(-30deg)}}
.st-pay{font-weight:900;font-size:7cqw;letter-spacing:-.04em;padding:0 .2em;position:relative;animation:punch .5s var(--ease) both}
.st-pay::before{content:"";position:absolute;inset:-.06em -.1em;border:.4cqw solid var(--b);background:var(--b-soft);border-radius:.5cqw;transform:rotate(2deg);box-shadow:0 0 3cqw -.5cqw var(--b)}
.st-pay span{position:relative}
@keyframes punch{from{transform:scale(1.4);opacity:0}}
.st-lock{font:800 6cqw/1 var(--font);letter-spacing:-.03em;animation:w .6s var(--ease) both}
.st-lock small{display:block;font:500 2.4cqw/1.4 var(--mono);letter-spacing:.2em;color:var(--mute);margin-top:2cqw;text-transform:uppercase}
.st-flash{position:absolute;inset:0;background:#fff;opacity:0;pointer-events:none}
.st-flash.go{animation:flash .18s ease-out}
@keyframes flash{0%{opacity:.18}100%{opacity:0}}

/* timeline */
.tl{background:var(--bg1);border:1px solid var(--line);border-radius:20px;padding:14px 16px 16px}
.tl-bar{display:flex;flex-wrap:wrap;align-items:center;gap:12px;justify-content:space-between;margin-bottom:12px;font-size:13px}
.switch{display:inline-flex;align-items:center;gap:10px;cursor:pointer;font-weight:600}
.switch input{position:absolute;opacity:0}
.switch span{width:34px;height:20px;border-radius:99px;background:var(--bg3);position:relative;transition:background .2s}
.switch span::after{content:"";position:absolute;left:3px;top:3px;width:14px;height:14px;border-radius:50%;background:#fff;transition:transform .25s var(--ease)}
.switch input:checked+span{background:var(--b)}
.switch input:checked+span::after{transform:translateX(14px)}
.switch input:focus-visible+span{outline:2px solid var(--a);outline-offset:2px}
.tl-track{position:relative;height:74px;border-radius:12px;background:#0D0D12;overflow:hidden}
.tl-grid{position:absolute;inset:0}
.tl-grid i{position:absolute;top:0;bottom:0;width:1px;background:rgba(255,255,255,.07)}
.tl-grid i.bar{background:rgba(255,255,255,.22)}
.tl-blocks{position:absolute;inset:14px 0 14px 0}
.tl-blocks div{position:absolute;top:0;bottom:0;border-radius:8px;padding:6px 8px;font:600 11px/1.2 var(--mono);color:#0B0B0F;overflow:hidden;white-space:nowrap;text-overflow:ellipsis;transition:left .4s var(--ease),width .4s var(--ease);border:1px solid rgba(0,0,0,.25);cursor:pointer}
.tl-blocks div.on{outline:2px solid #fff;outline-offset:1px}
.tl-blocks .t-mark{position:absolute;top:-12px;font:600 9px var(--mono);color:var(--mute)}
.tl-head{position:absolute;top:0;bottom:0;width:2px;background:var(--b);box-shadow:0 0 10px var(--b);left:0;opacity:0}
.tl-legend{display:flex;flex-wrap:wrap;gap:14px;margin-top:10px;font:500 11px var(--mono);color:var(--mute)}
.k::before{content:"";display:inline-block;width:10px;height:10px;border-radius:3px;margin-right:6px;vertical-align:-1px}
.k.hook::before,.f-hook{background:var(--f-hook)}.k.pivo::before,.f-pivo{background:var(--f-pivo)}.k.capitulo::before,.f-capitulo{background:var(--f-capitulo)}.k.payoff::before,.f-payoff{background:var(--f-payoff)}.k.lockup::before,.f-lockup{background:var(--f-lockup)}

.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:18px}
.beats{width:100%;border-collapse:collapse;font-size:13.5px;min-width:820px}
.beats th{text-align:left;font:500 11px var(--mono);letter-spacing:.1em;text-transform:uppercase;color:var(--mute);padding:12px 14px;border-bottom:1px solid var(--line);background:var(--bg1)}
.beats td{padding:12px 14px;border-bottom:1px solid var(--line);vertical-align:top}
.beats tr:last-child td{border-bottom:0}
.beats tr.on td{background:rgba(255,90,31,.07)}
.beats td.mono{font-size:12px;color:#C9C9D2;white-space:nowrap}
.tag{display:inline-block;padding:3px 8px;border-radius:6px;font:600 11px var(--mono);color:#0B0B0F}
.tcode{font:600 11px var(--mono);padding:3px 7px;border-radius:6px;border:1px solid var(--line2);white-space:nowrap}

/* ── chat ── */
.panel.chat{grid-template-columns:1fr;justify-items:center}
.chat-col{width:min(860px,100%);display:flex;flex-direction:column;min-height:calc(100vh - 61px);padding:0 16px}
.msgs{flex:1;padding:32px 0 20px;display:flex;flex-direction:column;gap:22px}
.hello{margin:auto 0;text-align:center;padding:40px 0}
.hello h1{font-size:clamp(28px,4vw,44px);font-weight:800;letter-spacing:-.03em}
.hello p{color:var(--mute);margin-top:10px}
.sugs{display:flex;flex-wrap:wrap;justify-content:center;gap:8px;margin-top:26px}
.m{display:flex;gap:12px;animation:rise .4s var(--ease)}
.m .av{flex:none;width:30px;height:30px;border-radius:9px;display:grid;place-items:center;font:700 12px var(--mono)}
.m.user{flex-direction:row-reverse}
.m.user .av{background:var(--bg3)}
.m.ai .av{background:var(--fg);color:var(--bg)}
.m .body{max-width:calc(100% - 42px);min-width:0}
.m.user .body{background:var(--bg2);border:1px solid var(--line);padding:10px 14px;border-radius:16px 4px 16px 16px;white-space:pre-wrap;word-break:break-word}
.m.ai .body{padding-top:4px}
.md p,.md ul,.md ol,.md pre,.md h3{margin:0 0 .75em}
.md ul,.md ol{padding-left:1.3em}
.md li{margin:.2em 0}
.md h3{font-size:17px}
.md code{font:13px var(--mono);background:var(--bg2);padding:1px 6px;border-radius:5px}
.md pre{background:var(--bg1);border:1px solid var(--line);border-radius:12px;padding:12px 14px;overflow:auto}
.md pre code{background:none;padding:0}
.md strong{color:#fff}
.caret{display:inline-block;width:8px;height:16px;background:var(--b);vertical-align:-2px;animation:pulse 1s infinite;margin-left:2px}
.m .stats{font:500 11px var(--mono);color:var(--dim);margin-top:6px}
.m .err{color:var(--b)}
.composer{position:sticky;bottom:0;display:flex;align-items:flex-end;gap:8px;padding:12px 0 18px;background:linear-gradient(transparent,var(--bg) 30%)}
.composer textarea{resize:none;max-height:200px;border-radius:16px;padding:13px 16px}

/* ── analisador ── */
.panel.beat{grid-template-columns:1fr;justify-items:center}
.beat-col{width:min(1040px,100%);padding:36px 16px 60px;display:flex;flex-direction:column;gap:22px}
.drop{display:flex;flex-direction:column;align-items:center;gap:6px;padding:44px 20px;border:1.5px dashed var(--line2);border-radius:20px;cursor:pointer;text-align:center;color:var(--mute);transition:border-color .2s,background .2s}
.drop b{color:var(--fg);font-size:17px}
.drop:hover,.drop.over{border-color:var(--b);background:var(--b-soft)}
.drop-ic{font-size:30px;color:var(--b)}
.bcards{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}
@media (max-width:760px){.bcards{grid-template-columns:1fr 1fr}}
.bcards>div{background:var(--bg1);border:1px solid var(--line);border-radius:16px;padding:14px 16px}
.bcards b{display:block;font:700 28px/1.15 var(--mono);margin-top:8px;letter-spacing:-.02em}
.bcards small{color:var(--mute);font-size:12px}
.bctl{display:flex;flex-wrap:wrap;gap:10px;align-items:center;margin:16px 0 12px}
#bWave{width:100%;height:200px;border-radius:16px;background:#0D0D12;cursor:pointer}

.toast{position:fixed;left:50%;bottom:24px;transform:translate(-50%,30px);opacity:0;background:var(--fg);color:var(--bg);padding:10px 16px;border-radius:12px;font-weight:600;font-size:14px;transition:opacity .3s,transform .4s var(--ease);pointer-events:none;z-index:50;max-width:calc(100% - 32px)}
.toast.on{opacity:1;transform:translate(-50%,0)}

@media (prefers-reduced-motion:reduce){*,*::before,*::after{animation-duration:.01ms!important;transition-duration:.01ms!important}}