/* Layout: a phone-shaped live preview held on the left, a hairline-ruled console of the five production steps on the right
   (song → photos → lyrics → style → export), and an editor-style timeline pinned to the bottom of the window.
   One dark studio look on purpose, so the reel's own colours read true. */
:root{
  --bg:#131412;
  --panel:#1a1b18;
  --well:#0d0e0c;
  --line:#2b2d28;
  --fg:#ebe9e1;
  --muted:#96968c;
  --accent:#ffa53a;
  --accent-ink:#1d1305;
  --ok:#7fd49b;
  --warn:#ff7a5c;
  --bezel:#000;
  --scrim:rgba(0,0,0,.6);
  --sel:rgba(255,165,58,.12);
  --zone:rgba(255,92,70,.16);
  --zone-edge:rgba(255,140,120,.7);
  --zone-ink:#ffe1da;
  --font-ui:"Vazirmatn", system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-mono:"IBM Plex Mono", ui-monospace, "SFMono-Regular", Menlo, monospace;
  --font-display:"Lalezar", "Vazirmatn", system-ui, sans-serif;
  --dock-h:196px;
  color-scheme: dark;
}
html,body{background:var(--bg);color:var(--fg)}
body{font-family:var(--font-ui);font-size:15px;line-height:1.55}
*,*::before,*::after{box-sizing:border-box}
[hidden]{display:none!important}
button,input,select,textarea{font:inherit;color:inherit}
.app{max-width:1220px;margin:0 auto;padding-inline:16px;padding-block:18px calc(var(--dock-h) + 40px);display:flex;flex-direction:column;gap:22px}

header.top{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap}
.brand{display:flex;align-items:baseline;gap:14px;flex-wrap:wrap}
.brand .mark{font-family:var(--font-display);font-size:38px;line-height:1;color:var(--accent)}
.brand .sub{font-family:var(--font-mono);font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:var(--muted)}
.chip{font-family:var(--font-mono);font-size:12px;padding:6px 12px;border:1px solid var(--line);border-radius:999px;color:var(--muted);display:inline-flex;gap:8px;align-items:center;max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.chip i{flex:none;width:8px;height:8px;border-radius:50%;background:var(--muted)}
.chip[data-state="track"] i{background:var(--ok)}
.chip[data-state="rec"]{color:var(--fg);border-color:var(--warn)}
.chip[data-state="rec"] i{background:var(--warn);animation:blink 1s steps(2) infinite}
@keyframes blink{50%{opacity:.15}}

.grid{display:grid;grid-template-columns:auto minmax(0,1fr);gap:36px;align-items:start}
.stage{position:sticky;top:calc(env(safe-area-inset-top,0px) + 16px);display:flex;flex-direction:column;gap:12px;align-items:center}
.phone{position:relative;width:min(380px,calc((100vh - var(--dock-h) - 130px) * .5625));min-width:220px;max-width:100%;aspect-ratio:9/16;border-radius:26px;overflow:hidden;background:var(--bezel);border:1px solid var(--line);box-shadow:0 40px 90px -40px rgba(0,0,0,.9)}
.phone canvas{display:block;width:100%;height:100%}
.safe{position:absolute;inset:0;pointer-events:none}
.safe div{position:absolute;background:var(--zone);outline:1px dashed var(--zone-edge);outline-offset:-1px;font:10px/1.2 var(--font-mono);color:var(--zone-ink);padding:6px 8px;letter-spacing:.06em;text-transform:uppercase}
.safe .z-top{top:0;left:0;right:0;height:11%}
.safe .z-bot{bottom:0;left:0;right:0;height:20%;display:flex;align-items:flex-end}
.safe .z-side{right:0;top:50%;width:13%;height:30%;writing-mode:vertical-rl}
.transport{display:flex;align-items:center;gap:10px;flex-wrap:wrap;justify-content:center;width:100%}
.tc{font-family:var(--font-mono);font-size:13px;color:var(--muted);font-variant-numeric:tabular-nums;min-width:120px;text-align:center}

.console{display:flex;flex-direction:column;min-width:0}
.step{border-top:1px solid var(--line);padding-block:20px;display:flex;flex-direction:column;gap:12px;min-width:0}
.step:first-child{border-top:0;padding-top:4px}
.step h2{margin:0;font:500 12px/1 var(--font-mono);letter-spacing:.16em;text-transform:uppercase;color:var(--muted);display:flex;gap:10px;align-items:center;flex-wrap:wrap}
.step h2 b{color:var(--accent);font-weight:600}
.step h2 .aside{margin-inline-start:auto;letter-spacing:.04em;text-transform:none;font-size:12px;text-align:right}
.step h3{margin:6px 0 0;font:500 11px/1 var(--font-mono);letter-spacing:.14em;text-transform:uppercase;color:var(--muted)}
.hint{margin:0;color:var(--muted);font-size:13.5px;max-width:68ch}
.hint strong{color:var(--fg)}
.hint code{font-family:var(--font-mono);font-size:12.5px;color:var(--fg);background:var(--well);border:1px solid var(--line);border-radius:4px;padding:0 5px}
.row{display:flex;gap:10px;flex-wrap:wrap;align-items:center}
.row.spread{justify-content:space-between}
.lbl{font-size:12px;color:var(--muted)}

button{cursor:pointer;background:var(--panel);border:1px solid var(--line);border-radius:9px;padding:8px 14px;font-size:14px;line-height:1.3;transition:border-color .15s,background .15s,transform .08s}
button:hover:not(:disabled){border-color:var(--muted)}
button:active:not(:disabled){transform:translateY(1px)}
button:disabled{opacity:.45;cursor:not-allowed}
button.primary{background:var(--accent);border-color:var(--accent);color:var(--accent-ink);font-weight:700}
button.primary:hover:not(:disabled){filter:brightness(1.08);border-color:var(--accent)}
button.ghost{background:transparent}
button.small{padding:6px 10px;font-size:13px}
button.round{width:46px;height:46px;border-radius:50%;padding:0;display:grid;place-items:center}
button.round.sm{width:36px;height:36px}
button.round svg{width:18px;height:18px;fill:currentColor}
button.round.sm svg{width:14px;height:14px}
button.hit{background:var(--accent);color:var(--accent-ink);border-color:var(--accent)}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px}

input[type="text"],input[type="number"],select,textarea{background:var(--well);border:1px solid var(--line);border-radius:8px;padding:8px 10px;min-width:0}
input[type="number"]{font-family:var(--font-mono);font-size:13px;font-variant-numeric:tabular-nums}
textarea{width:100%;resize:vertical;font-family:"Vazirmatn",Tahoma,sans-serif;font-size:17px;line-height:1.9;padding:12px 14px}
label.field{display:flex;flex-direction:column;gap:5px;font-size:12px;color:var(--muted);min-width:0}
label.field input,label.field select{color:var(--fg);font-size:14px}
.fields{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
.chk{display:inline-flex;gap:8px;align-items:center;font-size:13px;color:var(--muted);cursor:pointer}
.chk input[type="checkbox"]{accent-color:var(--accent);width:16px;height:16px;flex:none}
input[type="range"]{accent-color:var(--accent);width:140px}
.val{font-family:var(--font-mono);font-size:12px;color:var(--fg);min-width:56px;font-variant-numeric:tabular-nums}
kbd{font-family:var(--font-mono);font-size:11px;border:1px solid var(--line);border-bottom-width:2px;border-radius:5px;padding:0 5px;color:var(--fg);background:var(--well)}

.drop{position:relative;display:flex;gap:14px;align-items:center;border:1.5px dashed var(--line);border-radius:12px;padding:14px 16px;cursor:pointer;transition:border-color .15s,background .15s}
.drop:hover,.drop.over{border-color:var(--accent);background:rgba(255,165,58,.05)}
.drop input{position:absolute;width:1px;height:1px;opacity:0;pointer-events:none}
.drop svg{flex:none;width:34px;height:34px;fill:var(--accent)}
.drop b{display:block;font-size:15px}
.drop span{display:block;color:var(--muted);font-size:13px}
.drop:focus-within{outline:2px solid var(--accent);outline-offset:2px}
.numrow{display:flex;gap:10px;flex-wrap:wrap;align-items:flex-end}
.numrow label.field input{width:104px}
.seg{display:inline-flex;flex-wrap:wrap;border:1px solid var(--line);border-radius:10px;overflow:hidden}
.seg button{border:0;border-radius:0;background:transparent;padding:7px 12px}
.seg button[aria-pressed="true"],.seg button[aria-selected="true"]{background:var(--accent);color:var(--accent-ink);font-weight:700}

.sliders{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:8px 22px}
.slider{display:grid;grid-template-columns:88px minmax(0,1fr) 54px;gap:10px;align-items:center;font-size:13px;color:var(--muted)}
.slider input[type="range"]{width:100%}
.tiles{display:grid;grid-template-columns:repeat(auto-fill,minmax(86px,1fr));gap:10px}
.tile{position:relative;aspect-ratio:9/16;border-radius:10px;overflow:hidden;background:var(--well);border:1px solid var(--line);cursor:grab}
.tile canvas{display:block;width:100%;height:100%}
.tile .n{position:absolute;left:5px;top:5px;font:600 11px/1 var(--font-mono);background:var(--scrim);padding:4px 6px;border-radius:5px}
.tile .tag{position:absolute;right:5px;top:5px;font:600 9px/1 var(--font-mono);letter-spacing:.06em;text-transform:uppercase;background:var(--scrim);padding:4px 5px;border-radius:5px;color:var(--muted)}
.tile .ctl{position:absolute;left:0;right:0;bottom:0;display:flex;justify-content:space-between;gap:4px;padding:5px;background:linear-gradient(transparent,var(--scrim))}
.tile .ctl button{width:26px;height:26px;padding:0;border-radius:7px;background:var(--scrim);border-color:transparent;font-size:14px;line-height:1;display:grid;place-items:center}
.tile.dragging{opacity:.35}
.tile.over{outline:2px solid var(--accent);outline-offset:2px}
.credits{margin:0;padding:0;list-style:none;font-size:12.5px;color:var(--muted);display:flex;flex-direction:column;gap:2px}
.credits a{color:var(--fg);text-underline-offset:2px}
.samples{display:flex;flex-direction:column;gap:8px;border:1px solid var(--line);border-radius:10px;padding:12px 14px}

.looks{display:grid;grid-template-columns:repeat(auto-fill,minmax(96px,1fr));gap:10px}
.look{display:flex;flex-direction:column;gap:6px;align-items:stretch;text-align:start;padding:6px;border-radius:12px}
.look[aria-pressed="true"]{border-color:var(--accent);box-shadow:0 0 0 1px var(--accent) inset}
.look .sw{position:relative;aspect-ratio:4/5;border-radius:7px;overflow:hidden;background:var(--well);display:grid;place-items:center}
.look .sw canvas{position:absolute;inset:0;width:100%;height:100%}
.look .sw b{position:relative;font-size:19px;color:#fff;text-shadow:0 2px 10px #000;font-weight:400}
.look .nm{display:flex;justify-content:space-between;gap:4px;align-items:baseline;font-size:12.5px;font-weight:700;flex-wrap:wrap;padding-inline:2px}
.look .nm span{font-family:"Vazirmatn",sans-serif;font-weight:500;color:var(--muted);font-size:11px}
.adjust{display:flex;flex-direction:column;gap:12px;border:1px solid var(--line);border-radius:12px;padding:12px 14px}
.adjust .head{display:flex;justify-content:space-between;align-items:center;gap:10px;flex-wrap:wrap}
.adjust .head b{font-size:15px}
.adjgrid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:8px 22px}
.adjgrid h4{grid-column:1/-1;margin:6px 0 0;font:600 11px var(--font-mono);letter-spacing:.12em;text-transform:uppercase;color:var(--muted)}
.sl{display:grid;grid-template-columns:92px minmax(0,1fr) 46px;align-items:center;gap:8px;font-size:13px;color:var(--muted)}
.sl input{width:100%;accent-color:var(--accent)}
.sl output{font:12px var(--font-mono);text-align:end;color:var(--fg);font-variant-numeric:tabular-nums}
.sl.changed span{color:var(--fg)}
.acc{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--muted)}
.acc input[type=color]{width:44px;height:30px;padding:0;border:1px solid var(--line);border-radius:8px;background:none}

/* lyrics editor */
.lytop{display:flex;justify-content:space-between;gap:10px;flex-wrap:wrap;align-items:center}
.syncbar{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.25fr);gap:12px;align-items:stretch}
.syncbar .col{display:flex;flex-direction:column;gap:8px}
.tap{height:100%;min-height:92px;border-radius:14px;font:700 19px/1.25 var(--font-mono);letter-spacing:.1em;background:var(--panel);border:1.5px solid var(--line);touch-action:none;user-select:none;-webkit-user-select:none}
.tap small{display:block;font:500 11px/1.3 var(--font-ui);letter-spacing:0;color:inherit;opacity:.8;margin-top:4px}
.tap:not(:disabled){border-color:var(--accent);color:var(--accent)}
.tap.hit,.tap.held{background:var(--accent);color:var(--accent-ink)}
.taphint{min-height:2.6em;margin:0;font-size:14px;color:var(--muted)}
.taphint strong{color:var(--fg);font-family:"Vazirmatn",sans-serif;font-weight:700;font-size:16px}
.lines{list-style:none;margin:0;padding:0;border:1px solid var(--line);border-radius:10px;max-height:360px;overflow:auto}
.lrow{display:grid;grid-template-columns:24px 84px 84px minmax(0,1fr) auto;gap:8px;align-items:center;padding:6px 8px;border-top:1px solid var(--line);cursor:pointer}
.lrow:first-child{border-top:0}
.lrow.on .idx{color:var(--accent)}
.lrow.on{background:rgba(255,165,58,.05)}
.lrow.sel{background:var(--sel);box-shadow:inset 3px 0 0 var(--accent)}
.lrow .idx{font:12px var(--font-mono);color:var(--muted);text-align:center;font-variant-numeric:tabular-nums}
.lrow input.tm{width:100%;font-family:var(--font-mono);font-size:12.5px;padding:5px 4px;text-align:center;font-variant-numeric:tabular-nums}
.lrow input.tx{width:100%;font-family:"Vazirmatn",sans-serif;font-size:15px;padding:5px 9px}
.lrow .acts{display:flex;gap:2px}
.icon{width:30px;height:30px;padding:0;border-radius:8px;display:grid;place-items:center;background:transparent;border-color:transparent}
.icon svg{width:14px;height:14px;fill:currentColor}
.icon:hover:not(:disabled){border-color:var(--line)}
.empty{padding:18px 14px;color:var(--muted);font-size:13.5px;text-align:center}
.keys{display:flex;flex-wrap:wrap;gap:4px 14px;font-size:12.5px;color:var(--muted);margin:0;padding:0;list-style:none}
.auto{display:flex;flex-direction:column;gap:10px;border:1px solid var(--line);border-radius:12px;padding:12px 14px;background:linear-gradient(180deg,rgba(127,212,155,.06),transparent 70%)}
.auto .head{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap}
.auto .head b{display:block;font-size:15px}
.auto .head span{display:block;color:var(--muted);font-size:13px;max-width:56ch}
.auto .head button{flex:none}
.listen{background:linear-gradient(180deg,rgba(255,165,58,.09),transparent 75%)}
.listen textarea{min-height:150px;font-family:"Vazirmatn",sans-serif;font-size:15px;line-height:1.7}
.prog{height:6px;border-radius:3px;background:var(--well);overflow:hidden}
.prog i{display:block;height:100%;width:0;background:var(--accent);transition:width .25s}
.lrow.unsure .idx{color:var(--warn);font-weight:700}
.lrow.unsure .idx::after{content:"?"}
details.alt>summary{cursor:pointer;color:var(--muted);font-size:13.5px;padding:2px 0}
details.alt[open]>summary{margin-bottom:10px}
.example{display:flex;gap:10px;align-items:center;flex-wrap:wrap;font-size:13px;color:var(--muted);border:1px dashed var(--line);border-radius:10px;padding:8px 12px}

.meter{height:6px;border-radius:999px;background:var(--well);border:1px solid var(--line);overflow:hidden}
.meter i{display:block;height:100%;width:0;background:var(--accent);transition:width .2s linear}
.result{display:grid;grid-template-columns:120px minmax(0,1fr);gap:16px;align-items:start}
.result video{width:120px;aspect-ratio:9/16;border-radius:10px;background:var(--bezel);border:1px solid var(--line);object-fit:cover}
.result .meta{font-family:var(--font-mono);font-size:12.5px;color:var(--muted)}
.msg{margin:0;font-size:13.5px;color:var(--muted)}
.msg.bad{color:var(--warn)}
.msg.good{color:var(--ok)}

/* timeline dock */
.dock{position:fixed;left:0;right:0;bottom:0;z-index:30;background:var(--panel);border-top:1px solid var(--line);box-shadow:0 -18px 40px -24px rgba(0,0,0,.9);padding:8px 16px calc(10px + env(safe-area-inset-bottom,0px))}
.dock-in{max-width:1220px;margin:0 auto;display:flex;flex-direction:column;gap:6px}
.dock-bar{display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.dock-bar .tc{min-width:76px;text-align:left;color:var(--fg)}
.dock-bar .grp{display:inline-flex;gap:4px;align-items:center}
.dock-sel{margin-inline-start:auto;font:12px var(--font-mono);color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:46ch}
#tl{display:block;width:100%;height:134px;border-radius:8px;background:var(--well);touch-action:none;cursor:crosshair}

@media (max-width:880px){
  .grid{grid-template-columns:minmax(0,1fr);gap:22px}
  .stage{position:static}
  .phone{width:min(100%,320px)}
}
@media (max-width:560px){
  :root{--dock-h:178px}
  .fields{grid-template-columns:minmax(0,1fr)}
  .result{grid-template-columns:minmax(0,1fr)}
  .tiles{grid-template-columns:repeat(auto-fill,minmax(72px,1fr))}
  .syncbar{grid-template-columns:minmax(0,1fr)}
  .lrow{grid-template-columns:22px 74px 74px minmax(0,1fr)}
  .lrow .acts{grid-column:1/-1;justify-content:flex-end}
  .dock-sel{display:none}
  #tl{height:118px}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important}
}