/* Layout + components for ui.js. Colors/fonts come from --rf-* variables set by the host page. */
.rf-root{--rf-bg:#020617;--rf-panel:rgba(255,255,255,.03);--rf-border:rgba(255,255,255,.08);--rf-text:#f3f4f6;--rf-muted:#9ca3af;--rf-accent:#22d3ee;--rf-accent2:#a855f7;--rf-ok:#22c55e;--rf-warn:#f97316;--rf-bad:#ec4899;--rf-radius:12px;--rf-font:Inter,system-ui,sans-serif;--rf-mono:'JetBrains Mono',ui-monospace,monospace;--rf-accent-ink:#04121a;
  color:var(--rf-text);font-family:var(--rf-font);line-height:1.5}
.rf-root *,.rf-root *::before,.rf-root *::after{box-sizing:border-box}
.rf-h{font-size:1rem;font-weight:700;margin:1.75rem 0 .75rem;letter-spacing:.01em}
.rf-banner{border:1px solid var(--rf-border);border-radius:var(--rf-radius);padding:.75rem 1rem;font-size:.85rem;background:var(--rf-panel)}
.rf-banner--ok{border-color:color-mix(in srgb,var(--rf-ok) 45%,transparent);color:#bbf7d0}
.rf-banner--warn{border-color:color-mix(in srgb,var(--rf-warn) 55%,transparent);color:#fed7aa}
.rf-banner--wait{color:var(--rf-muted)}
.rf-device{display:inline-flex;gap:.5rem;align-items:center;margin-top:.75rem;font-size:.8rem;color:var(--rf-muted)}
.rf-select{background:#0b1220;color:var(--rf-text);border:1px solid var(--rf-border);border-radius:8px;padding:.35rem .6rem;font:inherit;font-size:.8rem}
.rf-models{display:grid;gap:.75rem}
.rf-model{display:flex;gap:.85rem;align-items:flex-start;border:1px solid var(--rf-border);background:var(--rf-panel);border-radius:var(--rf-radius);padding:1rem;cursor:pointer;transition:border-color .2s,background .2s}
.rf-model:hover{border-color:color-mix(in srgb,var(--rf-accent) 40%,transparent)}
.rf-model--on{border-color:var(--rf-accent);background:color-mix(in srgb,var(--rf-accent) 7%,transparent)}
.rf-model input{margin-top:.35rem;accent-color:var(--rf-accent)}
.rf-model__top{display:flex;flex-wrap:wrap;gap:.5rem;align-items:center}
.rf-model__name{font-weight:700}
.rf-model__desc{margin:.35rem 0 0;color:var(--rf-muted);font-size:.85rem}
.rf-model__meta,.rf-model__lic{margin:.35rem 0 0;color:var(--rf-muted);font:.72rem var(--rf-mono)}
.rf-model__warn{margin:.5rem 0 0;color:#fdba74;font-size:.8rem}
.rf-chip{font:600 .66rem var(--rf-mono);letter-spacing:.04em;text-transform:uppercase;padding:.15rem .5rem;border-radius:999px;border:1px solid var(--rf-border);color:var(--rf-muted)}
.rf-chip--size{color:var(--rf-accent);border-color:color-mix(in srgb,var(--rf-accent) 35%,transparent)}
.rf-chip--ok{color:var(--rf-ok);border-color:color-mix(in srgb,var(--rf-ok) 40%,transparent)}
.rf-drop{display:grid;gap:.25rem;place-items:center;text-align:center;border:1px dashed color-mix(in srgb,var(--rf-accent) 45%,transparent);border-radius:var(--rf-radius);padding:1.75rem 1rem;cursor:pointer;background:var(--rf-panel);transition:background .2s}
.rf-drop:hover,.rf-drop--over{background:color-mix(in srgb,var(--rf-accent) 8%,transparent)}
.rf-drop span{color:var(--rf-muted);font-size:.8rem}
.rf-actions{display:flex;flex-wrap:wrap;gap:.75rem;align-items:center;margin-top:1.25rem}
.rf-btn{font:700 .8rem var(--rf-font);border-radius:999px;padding:.7rem 1.4rem;border:1px solid transparent;cursor:pointer;transition:opacity .2s,transform .2s}
.rf-btn:disabled{opacity:.4;cursor:default}
.rf-btn--primary{background:linear-gradient(135deg,var(--rf-accent),var(--rf-accent2));color:var(--rf-accent-ink)}
.rf-btn--primary:not(:disabled):hover{transform:translateY(-1px);opacity:.92}
.rf-btn--ghost{background:transparent;color:var(--rf-text);border-color:var(--rf-border)}
.rf-btn--ghost:not(:disabled):hover{border-color:var(--rf-accent)}
.rf-btn--link{background:none;color:var(--rf-muted);text-decoration:underline;padding:.7rem .25rem;font-weight:500}
.rf-btn--sm{padding:.4rem .9rem;font-size:.72rem}
.rf-progress{margin-top:1.25rem}
.rf-progress__label{font-size:.85rem;font-weight:600}
.rf-progress__sub{font:.72rem var(--rf-mono);color:var(--rf-muted);margin-top:.35rem;min-height:1em}
.rf-bar{height:8px;background:rgba(255,255,255,.07);border-radius:999px;overflow:hidden;margin-top:.5rem}
.rf-bar__fill{height:100%;width:0;background:linear-gradient(90deg,var(--rf-accent),var(--rf-accent2));border-radius:999px;transition:width .25s}
.rf-bar__fill--indet{animation:rf-pulse 1.4s ease-in-out infinite}
@keyframes rf-pulse{0%,100%{opacity:.35}50%{opacity:1}}
.rf-msg{margin-top:1rem;padding:.7rem 1rem;border-radius:10px;font-size:.85rem;border:1px solid var(--rf-border)}
.rf-msg--warn{border-color:color-mix(in srgb,var(--rf-warn) 55%,transparent);color:#fed7aa}
.rf-msg--error{border-color:color-mix(in srgb,var(--rf-bad) 55%,transparent);color:#fbcfe8}
.rf-results{margin-top:1.5rem}
.rf-results__head{display:flex;flex-wrap:wrap;gap:.75rem;align-items:center;justify-content:space-between}
.rf-results__head .rf-h{margin:0}
.rf-stems{display:grid;gap:.6rem;margin-top:.75rem}
.rf-stem{display:grid;grid-template-columns:7rem 1fr auto;gap:.75rem;align-items:center;border:1px solid var(--rf-border);background:var(--rf-panel);border-radius:10px;padding:.6rem .85rem}
.rf-stem__name{font:700 .8rem var(--rf-mono);text-transform:uppercase;letter-spacing:.06em;color:var(--rf-accent)}
.rf-stem__audio{width:100%;height:36px}
.rf-root [hidden]{display:none!important}
.rf-stem__play{min-width:0}
.rf-storage{display:flex;flex-wrap:wrap;gap:.25rem .5rem;align-items:center;margin-top:.9rem;font:.72rem var(--rf-mono);color:var(--rf-muted)}
.rf-storage .rf-btn--link{padding:.2rem .25rem;font-size:.72rem}
.rf-note{color:var(--rf-muted);font-size:.78rem;margin-top:.75rem}
@media(max-width:640px){.rf-stem{grid-template-columns:1fr}.rf-stem__audio{grid-column:auto}}

/* ---- live progress experience (progress.js) ---- */
.rf-sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.rf-live{margin-top:1.25rem;border:1px solid var(--rf-border);border-radius:var(--rf-radius);padding:1rem;background:var(--rf-panel)}
.rf-steps{list-style:none;display:flex;flex-wrap:wrap;gap:.35rem .5rem;margin:0 0 .85rem;padding:0}
.rf-step{font:600 .66rem var(--rf-mono);letter-spacing:.04em;text-transform:uppercase;padding:.2rem .6rem;border-radius:999px;border:1px solid var(--rf-border);color:var(--rf-muted);display:inline-flex;gap:.35rem;align-items:center}
.rf-step::before{content:'';width:.45rem;height:.45rem;border-radius:50%;background:currentColor;opacity:.4}
.rf-step[data-state=active]{color:var(--rf-accent);border-color:var(--rf-accent);background:color-mix(in srgb,var(--rf-accent) 10%,transparent)}
.rf-step[data-state=active]::before{opacity:1;animation:rf-blink 1.2s ease-in-out infinite}
.rf-step[data-state=done]{color:var(--rf-ok);border-color:color-mix(in srgb,var(--rf-ok) 40%,transparent)}
.rf-step[data-state=done]::before{content:'✓';width:auto;height:auto;background:none;opacity:1;font-size:.7rem}
@keyframes rf-blink{0%,100%{opacity:.3}50%{opacity:1}}
.rf-bigbar{position:relative;height:22px;background:rgba(255,255,255,.07);border-radius:999px;overflow:hidden}
.rf-bigbar__fill{height:100%;width:0;border-radius:999px;background:linear-gradient(90deg,var(--rf-accent),var(--rf-accent2));transition:width .3s ease;position:relative}
.rf-live[data-state=busy] .rf-bigbar__fill::after{content:'';position:absolute;inset:0;background:linear-gradient(90deg,transparent,rgba(255,255,255,.35),transparent);transform:translateX(-100%);animation:rf-sheen 1.8s linear infinite}
@keyframes rf-sheen{to{transform:translateX(100%)}}
.rf-bigbar__pct{position:absolute;inset:0;display:grid;place-items:center;font:700 .72rem var(--rf-mono);color:#fff;text-shadow:0 0 3px rgba(0,0,0,.8)}
.rf-live__label{margin-top:.7rem;font-size:.9rem;font-weight:700}
.rf-live__detail{font:.74rem var(--rf-mono);color:var(--rf-muted);margin-top:.3rem;min-height:1.1em;word-break:break-word}
.rf-live__safe{margin:.7rem 0 0;font-size:.78rem;color:var(--rf-muted);border-left:2px solid var(--rf-accent);padding-left:.65rem}
.rf-wavebox{margin-top:1rem}
.rf-wave{display:block;width:100%;border-radius:10px;background:rgba(0,0,0,.25);cursor:pointer;touch-action:none}
.rf-wave:focus-visible,.rf-light:focus-visible,.rf-check input:focus-visible,.rf-tip__btn:focus-visible{outline:2px solid var(--rf-accent);outline-offset:2px}
.rf-wave__controls{display:flex;flex-wrap:wrap;gap:.5rem .85rem;align-items:center;margin-top:.55rem}
.rf-orig__time{font:.72rem var(--rf-mono);color:var(--rf-muted)}
.rf-orig__hint{font-size:.72rem;color:var(--rf-muted)}
.rf-lights{display:flex;flex-wrap:wrap;gap:.5rem;margin-top:.85rem}
.rf-light{display:inline-flex;align-items:center;gap:.5rem;font:inherit;color:var(--rf-muted);background:transparent;border:1px solid var(--rf-border);border-radius:999px;padding:.35rem .8rem;cursor:default;transition:border-color .25s,color .25s,box-shadow .25s,background .25s}
.rf-light__dot{width:.6rem;height:.6rem;border-radius:50%;background:var(--rf-stem,var(--rf-accent));opacity:.25;transition:opacity .25s,box-shadow .25s}
.rf-light__name{font:700 .72rem var(--rf-mono);text-transform:uppercase;letter-spacing:.05em}
.rf-light__state{font:.68rem var(--rf-mono)}
.rf-light[data-lit=true]{color:var(--rf-text);border-color:var(--rf-stem);background:color-mix(in srgb,var(--rf-stem) 10%,transparent)}
.rf-light[data-lit=true] .rf-light__dot{opacity:1;box-shadow:0 0 10px var(--rf-stem)}
.rf-light:not(:disabled){cursor:pointer}
.rf-light[data-playing=true]{background:color-mix(in srgb,var(--rf-stem) 28%,transparent)}
.rf-light[data-playing=true] .rf-light__state::before{content:'■ '}
.rf-light--pulse{animation:rf-pop .5s ease-out}
@keyframes rf-pop{0%{box-shadow:0 0 0 0 color-mix(in srgb,var(--rf-stem) 70%,transparent)}100%{box-shadow:0 0 0 12px transparent}}
.rf-tip{margin-top:1rem;border:1px dashed var(--rf-border);border-radius:10px;padding:.8rem 1rem}
.rf-tip__kicker{font:700 .64rem var(--rf-mono);letter-spacing:.08em;text-transform:uppercase;color:var(--rf-accent)}
.rf-tip__text{margin:.35rem 0 0;font-size:.88rem;min-height:2.9em}
.rf-tip--in .rf-tip__text{animation:rf-fade .6s ease}
@keyframes rf-fade{from{opacity:0;transform:translateY(4px)}to{opacity:1;transform:none}}
.rf-tip__link{display:inline-block;margin-top:.25rem;font-size:.8rem;color:var(--rf-accent)}
.rf-tip__ctl{display:flex;gap:.5rem;justify-content:flex-end}
.rf-tip__btn{padding:.2rem .35rem!important;font-size:.72rem!important}
.rf-opts{display:flex;flex-wrap:wrap;gap:.4rem 1.25rem;align-items:center;margin-top:.85rem;font-size:.78rem;color:var(--rf-muted)}
.rf-check{display:inline-flex;gap:.45rem;align-items:center;cursor:pointer}
.rf-check input{accent-color:var(--rf-accent)}
.rf-opts__note{color:var(--rf-warn)}
@media(max-width:640px){.rf-live{padding:.75rem}.rf-orig__hint{flex-basis:100%}.rf-light__state{display:none}.rf-light[data-lit=true] .rf-light__state{display:inline}}
@media (prefers-reduced-motion:reduce){
  .rf-step[data-state=active]::before,.rf-live[data-state=busy] .rf-bigbar__fill::after,.rf-light--pulse,.rf-tip--in .rf-tip__text,.rf-bar__fill--indet{animation:none!important}
  .rf-bigbar__fill,.rf-model,.rf-light{transition:none!important}
}