:root{--bg:#0b1020;--panel:#ffffff14;--panel-2:#ffffff1f;--text:#eef3ff;--muted:#a9b5d6;--brand:#87f7ff;--brand-2:#b694ff;--danger:#ff7a90;--ok:#73e6a2}*{box-sizing:border-box}body{background:radial-gradient(circle at top left, #19234a, var(--bg) 42%);color:var(--text);margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}a{color:inherit}button,input,textarea,select{font:inherit}.container{max-width:1180px;margin:0 auto;padding:40px 24px}.topbar{justify-content:flex-end;margin-bottom:20px;display:flex}.lang-switch{background:var(--panel);-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);border:1px solid #ffffff1f;border-radius:999px;align-items:center;gap:10px;padding:8px 14px;display:inline-flex}.lang-switch__label{color:var(--muted);margin:0;font-size:13px}.lang-switch select{width:auto;color:var(--text);cursor:pointer;background:0 0;border:0;border-radius:999px;padding:4px 8px}.lang-switch select:focus{outline:1px solid #87f7ff66}.lang-switch option{color:#080c18}.hero{grid-template-columns:1.05fr .95fr;align-items:start;gap:28px;display:grid}h1{letter-spacing:-.04em;margin:18px 0;font-size:clamp(32px,5vw,54px);line-height:1.02}.lead{color:var(--muted);max-width:760px;font-size:19px;line-height:1.7}.card{background:var(--panel);-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);border:1px solid #ffffff1f;border-radius:28px;box-shadow:0 24px 80px #00000040}.form{padding:24px}label{color:var(--muted);margin-bottom:8px;font-size:13px;display:block}input,textarea,select{width:100%;color:var(--text);background:#0003;border:1px solid #ffffff24;border-radius:16px;outline:none;padding:14px 16px}textarea{resize:vertical;min-height:96px}.field{margin-bottom:16px}.primary{background:var(--brand);color:#080c18;cursor:pointer;border:0;border-radius:16px;width:100%;padding:14px 18px;font-weight:800;transition:opacity .15s}.primary:hover:not(:disabled){opacity:.7}.primary:disabled{opacity:.45;cursor:not-allowed}.grid{grid-template-columns:repeat(3,1fr);gap:14px;margin-top:20px;display:grid}.metric{background:#ffffff0f;border:1px solid #ffffff17;border-radius:20px;padding:16px}.metric strong{font-size:20px;display:block}.metric span{color:var(--muted);font-size:13px}.panel{margin-top:22px;padding:20px}.progress{margin-top:6px}.progress__head{color:var(--muted);justify-content:space-between;align-items:baseline;margin-bottom:12px;font-size:15px;display:flex}.progress__head span:last-child{color:var(--text);font-variant-numeric:tabular-nums;font-weight:800}.progress__track{background:#ffffff14;border:1px solid #ffffff1f;border-radius:999px;height:14px;overflow:hidden}.progress__bar{background:linear-gradient(135deg, var(--brand), var(--brand-2));border-radius:999px;height:100%;transition:width .6s cubic-bezier(.22,.61,.36,1)}.progress__bar.is-active{background-size:200% 100%;background-image:linear-gradient(110deg, var(--brand) 30%, var(--brand-2) 50%, var(--brand) 70%);animation:1.4s linear infinite progress-shimmer}.progress__bar.is-failed{background:var(--danger)}.progress__error{color:var(--danger);margin:14px 0 0;font-size:14px}@keyframes progress-shimmer{0%{background-position:200% 0}to{background-position:0 0}}.result{margin-top:22px;padding:20px}.video{aspect-ratio:16/9;background:#040712;border:1px solid #ffffff1f;border-radius:20px;width:100%}pre{white-space:pre-wrap;color:#d9e2ff;background:#00000040;border-radius:18px;padding:16px;overflow:auto}@media (max-width:900px){.hero,.grid{grid-template-columns:1fr}}