:root{
  color-scheme:dark;--bg:#070912;--panel:rgba(17,20,34,.82);--panel2:#111525;
  --text:#f6f7fb;--muted:#969daf;--line:rgba(255,255,255,.09);--accent:#7767ff;
  --accent2:#30d4c8;--danger:#ff667d;--success:#55dc9b;--shadow:0 28px 70px rgba(0,0,0,.42)
}
*{box-sizing:border-box}html{min-height:100%;background:var(--bg)}body{margin:0;min-height:100vh;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:var(--text);background:radial-gradient(circle at 50% -10%,#171a35 0,#090b14 42%,#06070c 100%);overflow-x:hidden}
button,input,select{font:inherit}.hidden{display:none!important}.bg-orb{position:fixed;width:420px;height:420px;border-radius:50%;filter:blur(110px);opacity:.15;pointer-events:none}.orb-a{background:#7564ff;top:-160px;left:-140px}.orb-b{background:#27d6c5;right:-180px;top:40%}.shell{width:min(1040px,calc(100% - 32px));margin:auto;position:relative;z-index:1}.topbar{height:86px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line)}.brand{display:flex;align-items:center;gap:12px;text-decoration:none;color:inherit}.brand-mark{display:grid;place-items:center;width:46px;height:46px;border-radius:14px;background:linear-gradient(135deg,#7261ff,#4037bd);font-weight:900;letter-spacing:-1px;box-shadow:0 8px 25px rgba(104,88,255,.34)}.brand strong{display:block;font-size:16px;letter-spacing:.12em}.brand small{display:block;color:var(--muted);font-size:11px;margin-top:2px}.server-pill{display:flex;gap:8px;align-items:center;padding:8px 12px;border-radius:999px;background:rgba(255,255,255,.045);border:1px solid var(--line);font-size:12px;color:#c8ccda}.dot{width:8px;height:8px;border-radius:50%;background:var(--success);box-shadow:0 0 14px var(--success)}
.hero{text-align:center;padding:62px 16px 34px}.eyebrow,.status-kicker{font-size:11px;font-weight:800;letter-spacing:.18em;color:#8d83ff}.hero h1{font-size:clamp(36px,6vw,64px);letter-spacing:-.055em;line-height:1;margin:13px 0 16px}.hero h1 em{font-style:normal;background:linear-gradient(90deg,#897dff,#46ddd0);-webkit-background-clip:text;background-clip:text;color:transparent}.hero p{max-width:620px;margin:auto;color:var(--muted);font-size:16px;line-height:1.7}
.studio-card,.results-section{width:min(780px,100%);margin:0 auto 28px;background:linear-gradient(180deg,rgba(24,28,47,.92),rgba(13,16,28,.94));border:1px solid var(--line);border-radius:24px;box-shadow:var(--shadow);padding:22px;backdrop-filter:blur(18px)}.mode-tabs{display:grid;grid-template-columns:1fr 1fr;gap:6px;padding:5px;border-radius:14px;background:#090c16;border:1px solid rgba(255,255,255,.055);margin-bottom:20px}.mode-tab{border:0;background:transparent;color:var(--muted);padding:12px 14px;border-radius:10px;cursor:pointer;font-weight:700}.mode-tab.active{background:#1d2238;color:white;box-shadow:inset 0 0 0 1px rgba(255,255,255,.07)}.mode-panel{display:none}.mode-panel.active{display:block}.drop-zone{width:100%;min-height:220px;border:1.5px dashed rgba(137,125,255,.45);background:linear-gradient(180deg,rgba(116,97,255,.055),rgba(255,255,255,.015));border-radius:18px;color:var(--text);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:8px;cursor:pointer;transition:.2s}.drop-zone:hover,.drop-zone.dragover{border-color:#948aff;background:rgba(116,97,255,.095);transform:translateY(-1px)}.upload-icon{display:grid;place-items:center;width:48px;height:48px;border-radius:15px;background:rgba(119,103,255,.14);color:#9b92ff;font-size:26px;margin-bottom:3px}.drop-zone strong{font-size:17px}.drop-zone span:not(.upload-icon){color:var(--muted);font-size:13px}.drop-zone small{color:#697084;margin-top:10px}.selected-file{display:flex;align-items:center;gap:12px;border:1px solid var(--line);background:#0b0e19;padding:14px;border-radius:14px}.file-icon{width:42px;height:42px;border-radius:12px;background:#1d2240;display:grid;place-items:center;color:#8b81ff;font-size:20px}.file-meta{min-width:0;flex:1}.file-meta strong,.file-meta span{display:block}.file-meta strong{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.file-meta span{font-size:12px;color:var(--muted);margin-top:4px}.icon-btn,.ghost-btn{border:1px solid var(--line);background:rgba(255,255,255,.035);color:#dfe2ec;border-radius:10px;cursor:pointer}.icon-btn{width:34px;height:34px;font-size:19px}.ghost-btn{padding:9px 13px;font-size:12px}.field-label{display:block;color:#aab0c0;font-size:12px;font-weight:700;margin-bottom:8px}.url-wrap{position:relative}.url-wrap input,select{width:100%;height:48px;border-radius:12px;border:1px solid var(--line);background:#090c16;color:var(--text);outline:none;padding:0 14px}.url-wrap input{padding-right:100px}.url-wrap input:focus,select:focus{border-color:#756cff;box-shadow:0 0 0 3px rgba(117,108,255,.12)}.provider-badge{position:absolute;right:8px;top:8px;padding:7px 10px;border-radius:8px;background:#1d2238;color:#9da4b7;font-size:11px}.provider-badge.ok{color:#63ddb0;background:rgba(85,220,155,.1)}.notice{font-size:12px;color:#858ca0;line-height:1.6;margin-top:10px;padding:10px 12px;border-left:2px solid #6258d3;background:rgba(98,88,211,.06);border-radius:0 8px 8px 0}.separator{height:1px;background:var(--line);margin:22px 0}.quick-models-wrap{margin-bottom:16px}.quick-models{display:grid;grid-template-columns:repeat(3,1fr);gap:9px}.quick-model{min-width:0;display:grid;grid-template-columns:auto 1fr;grid-template-rows:auto auto;column-gap:9px;align-items:center;text-align:left;padding:11px 12px;border:1px solid var(--line);border-radius:12px;background:#090c16;color:var(--text);cursor:pointer}.quick-model>span{grid-row:1/3;font-size:20px}.quick-model strong{font-size:12px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.quick-model small{font-size:10px;color:var(--muted)}.quick-model:hover,.quick-model.active{border-color:#766bff;background:rgba(119,103,255,.10)}.quick-model.active strong{color:#aaa3ff}.settings-grid{display:grid;grid-template-columns:minmax(0,2fr) minmax(210px,1fr);gap:15px;align-items:start}.setting-help{display:block;margin-top:7px;color:#687084;font-size:10px;line-height:1.45}.model-setting select{max-width:100%}.primary-btn{width:100%;height:54px;margin-top:20px;border:0;border-radius:14px;background:linear-gradient(90deg,#6759ea,#7b69ff);color:white;font-weight:800;letter-spacing:.01em;display:flex;align-items:center;justify-content:center;gap:10px;cursor:pointer;box-shadow:0 12px 35px rgba(104,88,255,.25);transition:.2s}.primary-btn:hover:not(:disabled){transform:translateY(-1px);filter:brightness(1.07)}.primary-btn:disabled{opacity:.38;cursor:not-allowed;box-shadow:none}.btn-arrow{font-size:19px}
.progress-section{margin-top:22px;border-top:1px solid var(--line);padding-top:20px}.status-head,.results-head{display:flex;align-items:flex-start;justify-content:space-between;gap:16px}.status-head h2,.results-head h2{font-size:20px;margin:4px 0 0}.status-message{color:var(--muted);font-size:13px;line-height:1.5}.upload-block{margin-top:15px}.progress-track{height:8px;border-radius:99px;background:#090b12;overflow:hidden}.progress-fill{height:100%;width:0;background:linear-gradient(90deg,#6e60f0,#37d5c7);transition:width .15s}.progress-stats{display:flex;justify-content:space-between;margin-top:7px;color:#858da0;font-size:11px}.indeterminate{height:8px;margin-top:15px;background:#090b12;border-radius:99px;overflow:hidden}.indeterminate span{display:block;width:38%;height:100%;border-radius:99px;background:linear-gradient(90deg,#695aed,#47d7cd);animation:scan 1.2s ease-in-out infinite}@keyframes scan{0%{transform:translateX(-110%)}100%{transform:translateX(370%)}}.queue-info{margin-top:12px;padding:11px 13px;border-radius:11px;background:rgba(119,103,255,.08);border:1px solid rgba(119,103,255,.16);font-size:12px;color:#c8c5f6}.steps{display:grid;grid-template-columns:repeat(4,1fr);margin-top:22px;position:relative}.steps:before{content:"";height:1px;background:var(--line);position:absolute;top:14px;left:12%;right:12%}.step{position:relative;z-index:1;text-align:center;color:#656c7f}.step span{display:grid;place-items:center;width:29px;height:29px;margin:auto;border-radius:50%;background:#10131f;border:1px solid var(--line);font-size:11px;font-weight:800}.step small{display:block;margin-top:6px;font-size:10px}.step.active,.step.done{color:#b7b1ff}.step.active span{background:#6c5ced;color:#fff;border-color:#8174ff;box-shadow:0 0 20px rgba(108,92,237,.35)}.step.done span{background:#1d614c;color:#68e4b3;border-color:#2e8868}.results-section{padding:24px}.results-head{margin-bottom:18px}.tracks-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}.track-card{border:1px solid var(--line);border-radius:16px;background:#0a0d17;padding:15px;min-width:0}.track-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px}.track-title{font-weight:800}.track-type{font-size:10px;padding:5px 7px;border-radius:7px;background:rgba(119,103,255,.1);color:#aca5ff}.track-card audio{width:100%;height:38px}.track-card video{width:100%;max-height:260px;border-radius:10px;background:#000}.generic-file{display:grid;place-items:center;min-height:54px;border:1px dashed var(--line);border-radius:10px;color:var(--muted);font-size:12px}.text-result pre{white-space:pre-wrap;word-break:break-word;max-height:360px;overflow:auto;color:#dfe3ee;font:12px/1.65 ui-monospace,SFMono-Regular,Consolas,monospace}.result-model{margin:5px 0 0;color:var(--muted);font-size:11px}.track-actions{display:flex;gap:8px;margin-top:11px}.download-btn{display:flex;align-items:center;justify-content:center;flex:1;min-height:38px;border-radius:10px;text-decoration:none;color:white;background:#1c2136;border:1px solid var(--line);font-size:12px;font-weight:700}.download-btn:hover{background:#252b45}.direct-note{text-align:center;color:#6f768a;font-size:11px;line-height:1.6;margin:16px 10px 0}.toast{position:fixed;left:50%;bottom:28px;transform:translate(-50%,20px);background:#181c2d;border:1px solid var(--line);box-shadow:var(--shadow);color:#eef0f7;padding:11px 15px;border-radius:11px;font-size:12px;opacity:0;pointer-events:none;transition:.2s;z-index:20;max-width:min(440px,90vw);text-align:center}.toast.show{opacity:1;transform:translate(-50%,0)}.toast.error{border-color:rgba(255,102,125,.35);color:#ff9bab}footer{display:flex;justify-content:center;gap:8px;color:#565d70;font-size:11px;padding:12px 0 45px;text-align:center}
@media(max-width:700px){.shell{width:min(100% - 20px,1040px)}.topbar{height:72px}.server-pill{display:none}.hero{padding:42px 8px 26px}.hero h1{font-size:40px}.studio-card,.results-section{border-radius:18px;padding:15px}.settings-grid,.tracks-grid{grid-template-columns:1fr}.quick-models{grid-template-columns:1fr}.drop-zone{min-height:190px}.steps small{font-size:9px}.brand small{display:none}.results-head{align-items:center}}

/* Render V1 */
.mode-tabs{grid-template-columns:repeat(3,1fr)}
.youtube-progress{margin-top:12px}
.youtube-progress .bar{height:7px;border-radius:99px;overflow:hidden;background:#090c16;border:1px solid var(--line)}
.youtube-progress .bar>span{display:block;height:100%;width:0;background:linear-gradient(90deg,#6759ea,#8a78ff);transition:width .18s ease}
.youtube-progress small{display:flex;justify-content:space-between;gap:12px;color:var(--muted);margin-top:7px}
@media(max-width:650px){.mode-tabs{grid-template-columns:1fr}.mode-tab{padding:10px}}


/* ===== MVP Studio IA Web V2 - Login persistente ===== */
.auth-screen{
  position:fixed; inset:0; z-index:1000; display:grid; place-items:center;
  padding:24px; background:
    radial-gradient(circle at 20% 10%, rgba(99,102,241,.19), transparent 32%),
    radial-gradient(circle at 80% 90%, rgba(139,92,246,.15), transparent 30%),
    #080b14;
}
.auth-screen.hidden{display:none!important}
.auth-card{
  width:min(430px,100%); border:1px solid var(--border);
  border-radius:24px; padding:30px;
  background:rgba(15,18,30,.95);
  box-shadow:0 26px 80px rgba(0,0,0,.45);
  backdrop-filter:blur(18px);
}
.auth-card h1{margin:7px 0 8px;font-size:32px}
.auth-card p{color:var(--text-muted);line-height:1.55;margin:0 0 22px}
.auth-logo{
  width:54px;height:54px;border-radius:17px;display:grid;place-items:center;
  font-weight:900;letter-spacing:-1px;margin-bottom:18px;
  background:linear-gradient(135deg,#6d5dfc,#9a75ff);color:white;
  box-shadow:0 10px 28px rgba(99,102,241,.28)
}
.auth-card .field-label{display:block;margin:14px 0 7px}
.auth-card input{
  width:100%; box-sizing:border-box; border:1px solid var(--border);
  border-radius:12px; background:#0a0d18; color:var(--text-main);
  padding:13px 14px; outline:none; font:inherit;
}
.auth-card input:focus{border-color:#7468ff;box-shadow:0 0 0 3px rgba(99,102,241,.12)}
.password-wrap{position:relative}
.password-wrap input{padding-right:64px}
.password-toggle{
  position:absolute;right:8px;top:50%;transform:translateY(-50%);
  border:0;border-radius:8px;background:transparent;color:var(--text-muted);
  cursor:pointer;padding:7px 8px
}
.auth-remember{
  margin:14px 0 18px; padding:10px 12px; border-radius:10px;
  background:rgba(99,102,241,.08); color:var(--text-muted); font-size:12px;
}
.login-error{
  margin-top:14px!important;padding:10px 12px;border-radius:10px;
  background:rgba(239,68,68,.10);color:#fca5a5!important;border:1px solid rgba(239,68,68,.18)
}
.top-actions{display:flex;align-items:center;gap:10px}
.user-box{display:flex;align-items:center;gap:8px;padding:6px 8px 6px 12px;border:1px solid var(--border);border-radius:999px;background:rgba(255,255,255,.025)}
.user-box #user-name{font-size:12px;font-weight:700}
.user-plan{font-size:10px;color:#b9b4ff;padding:3px 6px;border-radius:999px;background:rgba(99,102,241,.12)}
.logout-btn{border:0;border-radius:999px;padding:7px 10px;background:rgba(255,255,255,.06);color:var(--text-muted);cursor:pointer;font:inherit;font-size:11px}
.logout-btn:hover{color:#fff;background:rgba(255,255,255,.10)}
@media(max-width:720px){
  .top-actions{gap:6px}
  .server-pill{display:none}
  .user-box{max-width:100%}
  .user-plan{display:none}
  .auth-card{padding:24px 20px}
}