/* ==========================================================================
   PixSell — Product Studio
   Dark, image-first. The creative is the interface; chrome recedes.
   ========================================================================== */

:root{
  /* surfaces — near-black, slightly warm, four steps of elevation */
  --s0:#0B0B0E;
  --s1:#131317;
  --s2:#1A1A20;
  --s3:#22222A;

  /* ink */
  --ink:#F2F1EF;
  --ink-2:#A5A3AD;
  --ink-3:#6B6975;

  /* one accent, used sparingly */
  --hi:#C8B6FF;
  --hi-ink:#0B0B0E;

  --line:rgba(255,255,255,.07);
  --line-2:rgba(255,255,255,.13);

  --ok:#7DD3A8;
  --bad:#F0796B;

  --pad:20px;
  --safe-t:env(safe-area-inset-top,0px);
  --safe-b:env(safe-area-inset-bottom,0px);
  --bar-h:52px;
  --tabs-h:56px;

  --ease:cubic-bezier(.22,.61,.36,1);
}

*{box-sizing:border-box;-webkit-tap-highlight-color:transparent;margin:0;padding:0}
[hidden]{display:none !important}

html{background:var(--s0)}
body{
  background:var(--s0);color:var(--ink);
  font-family:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  font-size:15px;line-height:1.5;letter-spacing:-.011em;
  -webkit-font-smoothing:antialiased;
  overscroll-behavior:none;
  padding-top:calc(var(--bar-h) + var(--safe-t));
  padding-bottom:calc(var(--tabs-h) + var(--safe-b));
}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
svg{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}
img{display:block;max-width:100%}
input{font:inherit;color:inherit}

/* ─────────────────────────── top bar ─────────────────────────── */
.bar{
  position:fixed;top:0;left:0;right:0;z-index:40;
  height:calc(var(--bar-h) + var(--safe-t));padding:var(--safe-t) var(--pad) 0;
  display:flex;align-items:center;gap:12px;
  background:rgba(11,11,14,.82);backdrop-filter:saturate(1.6) blur(18px);
  border-bottom:1px solid var(--line);
}
.bar-back{margin-left:-6px;color:var(--ink-2);display:grid;place-items:center;width:32px;height:32px}
.wordmark{
  font-family:"Instrument Serif",Georgia,serif;font-size:21px;letter-spacing:0;
  margin-right:auto;line-height:1;
}
.wordmark em{font-style:italic;color:var(--hi)}
.meter{
  display:flex;align-items:center;gap:7px;
  padding:6px 12px 6px 10px;border-radius:999px;
  border:1px solid var(--line-2);color:var(--ink);
  font-size:13px;font-variant-numeric:tabular-nums;
}
.meter i{width:6px;height:6px;border-radius:50%;background:var(--hi)}
.meter:active{background:var(--s2)}

/* ─────────────────────────── screens ─────────────────────────── */
.screen{display:none;padding:0 var(--pad) 28px;animation:in .32s var(--ease)}
.screen.is-active{display:block}
.screen-full{padding:0}
@keyframes in{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}

.title{
  font-family:"Instrument Serif",Georgia,serif;
  font-size:30px;font-weight:400;letter-spacing:-.01em;
  padding:22px 0 16px;
}

/* ─────────────────────────── stage / drop ─────────────────────────── */
/* The empty studio is one confident full-height canvas rather than a small
   card floating above dead space. */
.screen[data-screen="studio"].is-active{
  display:flex;flex-direction:column;
  min-height:calc(100vh - var(--bar-h) - var(--safe-t) - var(--tabs-h) - var(--safe-b));
  min-height:calc(100dvh - var(--bar-h) - var(--safe-t) - var(--tabs-h) - var(--safe-b));
}
.stage{padding-top:16px;display:flex;flex-direction:column}
.screen[data-screen="studio"].is-active:has(#drop:not([hidden])) .stage{flex:1}

.drop{
  flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:10px;min-height:46vh;margin-bottom:16px;border-radius:14px;
  border:1px dashed var(--line-2);background:var(--s1);
  transition:border-color .2s,background .2s;
}
.drop.is-over{border-color:var(--hi);background:var(--s2)}
.drop-mark{width:40px;height:40px;color:var(--ink-3);stroke-width:1.3}
.drop-line{font-size:15px;color:var(--ink)}
.drop-sub{font-size:12px;color:var(--ink-3);letter-spacing:.06em;text-transform:uppercase}

.canvas{position:relative;border-radius:14px;overflow:hidden;background:var(--s1);animation:in .4s var(--ease)}
.canvas img{width:100%;max-height:62vh;object-fit:contain}
.canvas-swap{
  position:absolute;top:10px;right:10px;width:34px;height:34px;border-radius:999px;
  display:grid;place-items:center;color:var(--ink);
  background:rgba(11,11,14,.6);backdrop-filter:blur(10px);border:1px solid var(--line-2);
}
.scan{
  position:absolute;inset:0;
  background:linear-gradient(180deg,transparent 0%,rgba(200,182,255,.16) 50%,transparent 100%);
  animation:sweep 1.9s var(--ease) infinite;
}
@keyframes sweep{from{transform:translateY(-100%)}to{transform:translateY(100%)}}

/* ─────────────────────────── read-out ─────────────────────────── */
.read{
  display:flex;align-items:center;gap:9px;
  padding:14px 2px 2px;font-size:13px;color:var(--ink-3);
  animation:in .35s var(--ease);
}
.read-dot{width:5px;height:5px;border-radius:50%;background:var(--ok);flex:none}
.read b{color:var(--ink);font-weight:500}
.read span:last-child{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* ─────────────────────────── controls ─────────────────────────── */
.controls{padding-top:18px;animation:in .38s var(--ease)}
.field+.field{margin-top:16px}
.field>label{
  display:block;font-size:11px;letter-spacing:.09em;text-transform:uppercase;
  color:var(--ink-3);margin-bottom:9px;
}
.field-row{display:flex;gap:10px;margin-top:18px}

.chips{display:flex;gap:7px;overflow-x:auto;scrollbar-width:none;margin:0 calc(var(--pad) * -1);padding:0 var(--pad) 2px}
.chips::-webkit-scrollbar{display:none}
.chip{
  flex:none;padding:9px 14px;border-radius:9px;font-size:13.5px;white-space:nowrap;
  border:1px solid var(--line);background:var(--s1);color:var(--ink-2);
  transition:color .16s,border-color .16s,background .16s;
}
.chip small{display:block;font-size:10.5px;color:var(--ink-3);margin-top:1px;font-variant-numeric:tabular-nums}
.chip.is-on{background:var(--s3);border-color:var(--line-2);color:var(--ink)}
.chip.is-on small{color:var(--ink-2)}
.chip:active{transform:scale(.97)}

.switch{
  flex:1;display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:12px 14px;border-radius:11px;font-size:13.5px;
  border:1px solid var(--line);background:var(--s1);color:var(--ink-2);
}
.switch i{
  width:32px;height:19px;border-radius:999px;background:var(--s3);position:relative;
  transition:background .18s;flex:none;
}
.switch i::after{
  content:"";position:absolute;top:2px;left:2px;width:15px;height:15px;border-radius:50%;
  background:var(--ink-3);transition:transform .18s var(--ease),background .18s;
}
.switch[aria-pressed="true"]{color:var(--ink);border-color:var(--line-2)}
.switch[aria-pressed="true"] i{background:var(--hi)}
.switch[aria-pressed="true"] i::after{transform:translateX(13px);background:var(--hi-ink)}

/* ─────────────────────────── dock ─────────────────────────── */
/* Sticks just above the tab bar, not under it. */
.dock{
  position:sticky;bottom:calc(var(--tabs-h) + var(--safe-b));
  padding:20px 0 12px;
  background:linear-gradient(180deg,transparent,var(--s0) 38%);
}
.go{
  width:100%;display:flex;align-items:center;justify-content:center;gap:10px;
  padding:16px;border-radius:12px;background:var(--hi);color:var(--hi-ink);
  font-size:15px;font-weight:600;letter-spacing:-.01em;
  transition:opacity .18s,transform .12s;
}
.go b{
  font-weight:600;font-variant-numeric:tabular-nums;
  padding:2px 8px;border-radius:6px;background:rgba(11,11,14,.16);
}
.go:active{transform:scale(.985)}
.go:disabled{opacity:.4;pointer-events:none}
.go.is-busy{background:var(--s3);color:var(--ink-2)}

/* ─────────────────────────── result viewer ─────────────────────────── */
/* Full-height: the creative owns the screen, actions sit on the floor. */
.screen[data-screen="result"].is-active{
  display:flex;flex-direction:column;
  min-height:calc(100vh - var(--bar-h) - var(--safe-t));
  min-height:calc(100dvh - var(--bar-h) - var(--safe-t));
}
.viewer{position:relative;background:#000;flex:1;display:flex;flex-direction:column;justify-content:center}
.viewer-track{display:flex;overflow-x:auto;scroll-snap-type:x mandatory;scrollbar-width:none}
.viewer-track::-webkit-scrollbar{display:none}
.viewer-track figure{flex:none;width:100%;scroll-snap-align:center}
.viewer-track img{width:100%;height:auto;object-fit:contain}
.viewer-dots{display:flex;gap:5px;justify-content:center;padding:10px 0 0}
.viewer-dots i{width:5px;height:5px;border-radius:50%;background:var(--s3)}
.viewer-dots i.is-on{background:var(--hi)}
.compare{
  position:absolute;left:var(--pad);top:14px;
  padding:6px 12px;border-radius:999px;font-size:12px;
  background:rgba(11,11,14,.62);backdrop-filter:blur(10px);
  border:1px solid var(--line-2);color:var(--ink);
}
.compare.is-on{background:var(--hi);color:var(--hi-ink);border-color:transparent}

.result-foot{padding:16px var(--pad) calc(18px + var(--safe-b));background:var(--s0)}
.captions{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:16px}
.cap{font-size:12px;padding:6px 10px;border-radius:7px;background:var(--s2);color:var(--ink-2)}
.row{display:flex;gap:8px}
.pill{
  flex:1;display:flex;flex-direction:column;align-items:center;gap:5px;
  padding:13px 6px;border-radius:11px;font-size:12px;
  border:1px solid var(--line);background:var(--s1);color:var(--ink-2);
}
.pill svg{width:18px;height:18px}
.pill:active{background:var(--s2)}

/* ─────────────────────────── gallery ─────────────────────────── */
.grid{columns:2;column-gap:10px}
.grid figure{
  break-inside:avoid;margin-bottom:10px;border-radius:11px;overflow:hidden;
  background:var(--s1);position:relative;
}
.grid img{width:100%}
.grid figure::after{
  content:attr(data-tag);position:absolute;left:8px;bottom:8px;
  font-size:10px;letter-spacing:.05em;text-transform:uppercase;
  padding:3px 7px;border-radius:5px;color:var(--ink);
  background:rgba(11,11,14,.62);backdrop-filter:blur(8px);
}
.skel{height:190px;background:var(--s1);border-radius:11px;margin-bottom:10px;break-inside:avoid;
  animation:breathe 1.5s ease-in-out infinite}
@keyframes breathe{0%,100%{opacity:.5}50%{opacity:.85}}

.void{text-align:center;padding:22vh 0}
.void p{color:var(--ink-3);margin-bottom:16px;font-size:14px}
.ghost{
  padding:11px 22px;border-radius:10px;font-size:14px;
  border:1px solid var(--line-2);color:var(--ink);
}

/* ─────────────────────────── account ─────────────────────────── */
.balance{padding:34px 0 30px;border-bottom:1px solid var(--line)}
.balance span{font-size:11px;letter-spacing:.09em;text-transform:uppercase;color:var(--ink-3)}
.balance b{
  display:block;font-family:"Instrument Serif",Georgia,serif;
  font-size:56px;font-weight:400;line-height:1.05;margin:6px 0 2px;
  font-variant-numeric:tabular-nums;
}
.balance em{font-style:normal;font-size:13px;color:var(--ink-2)}

.rows{padding-top:6px}
.row-item{
  width:100%;display:flex;align-items:center;justify-content:space-between;
  padding:17px 0;font-size:15px;border-bottom:1px solid var(--line);text-align:left;
}
.row-item i{font-style:normal;font-size:13px;color:var(--ink-3)}
.row-item:active{color:var(--hi)}
.fine{padding-top:20px;font-size:12px;color:var(--ink-3);line-height:1.6}

/* ─────────────────────────── tabs ─────────────────────────── */
.tabs{
  position:fixed;left:0;right:0;bottom:0;z-index:40;
  height:calc(var(--tabs-h) + var(--safe-b));padding-bottom:var(--safe-b);
  display:flex;align-items:center;
  background:rgba(11,11,14,.86);backdrop-filter:saturate(1.6) blur(18px);
  border-top:1px solid var(--line);
}
.tabs button{
  flex:1;height:100%;font-size:13px;color:var(--ink-3);
  transition:color .18s;position:relative;
}
.tabs button.is-on{color:var(--ink)}
.tabs button.is-on::before{
  content:"";position:absolute;top:0;left:50%;transform:translateX(-50%);
  width:22px;height:1.5px;background:var(--hi);
}

/* ─────────────────────────── sheet ─────────────────────────── */
.scrim{position:fixed;inset:0;z-index:50;background:rgba(0,0,0,.62);animation:in .2s}
.sheet{
  position:fixed;left:0;right:0;bottom:0;z-index:51;
  max-height:82vh;overflow-y:auto;
  background:var(--s1);border-top:1px solid var(--line-2);
  border-radius:18px 18px 0 0;padding:0 var(--pad) calc(24px + var(--safe-b));
  animation:rise .34s var(--ease);
}
@keyframes rise{from{transform:translateY(100%)}to{transform:none}}
.sheet-head{
  position:sticky;top:0;background:var(--s1);z-index:1;
  display:flex;align-items:center;justify-content:space-between;
  padding:20px 0 14px;
}
.sheet-head b{font-family:"Instrument Serif",Georgia,serif;font-size:22px;font-weight:400}
.sheet-head button{font-size:26px;line-height:1;color:var(--ink-3);width:32px;height:32px}

/* plans inside sheet */
.tier{padding:18px 0;border-top:1px solid var(--line)}
.tier:first-child{border-top:0}
.tier-top{display:flex;align-items:baseline;justify-content:space-between;gap:12px}
.tier-name{font-size:16px;font-weight:500}
.tier-price{font-size:16px;font-variant-numeric:tabular-nums;white-space:nowrap}
.tier-unit{font-size:12px;color:var(--ink-3);margin-top:3px}
.tier-meta{font-size:12.5px;color:var(--ink-2);margin-top:9px}
.tier-buy{
  margin-top:13px;width:100%;padding:12px;border-radius:10px;font-size:14px;font-weight:500;
  background:var(--s3);color:var(--ink);border:1px solid var(--line-2);
}
.tier-buy.is-primary{background:var(--hi);color:var(--hi-ink);border-color:transparent}
.tier-buy:disabled{opacity:.45;pointer-events:none}

/* invite / promo inside sheet */
.copyline{
  display:flex;align-items:center;gap:10px;margin:14px 0 18px;
  padding:13px 14px;border-radius:10px;background:var(--s2);border:1px solid var(--line);
}
.copyline code{
  flex:1;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:11.5px;
  color:var(--ink-2);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
}
.copyline button{font-size:12.5px;color:var(--hi);flex:none}
.pairs{display:flex;gap:26px;margin-bottom:20px}
.pairs div b{display:block;font-size:24px;font-weight:500;font-variant-numeric:tabular-nums}
.pairs div span{font-size:11px;letter-spacing:.07em;text-transform:uppercase;color:var(--ink-3)}
.entry{display:flex;gap:9px}
.entry input{
  flex:1;padding:13px 14px;border-radius:10px;background:var(--s2);
  border:1px solid var(--line);letter-spacing:.1em;text-transform:uppercase;font-size:14px;
}
.entry input:focus{outline:none;border-color:var(--hi)}
.entry button{padding:0 20px;border-radius:10px;background:var(--hi);color:var(--hi-ink);font-size:14px;font-weight:500}
.sheet-copy{font-size:13.5px;color:var(--ink-2);line-height:1.6}
.choice{width:100%;text-align:left;padding:16px 0;border-bottom:1px solid var(--line);font-size:15px}
.choice.is-on{color:var(--hi)}

/* ─────────────────────────── note ─────────────────────────── */
.note{
  position:fixed;left:50%;transform:translateX(-50%);
  bottom:calc(var(--tabs-h) + var(--safe-b) + 16px);z-index:60;
  max-width:calc(100% - 40px);padding:11px 16px;border-radius:10px;
  background:var(--s3);border:1px solid var(--line-2);
  font-size:13px;text-align:center;animation:in .2s;
}
.note.is-bad{border-color:rgba(240,121,107,.4);color:var(--bad)}

@media (min-width:600px){
  body{max-width:520px;margin:0 auto}
  .bar,.tabs{max-width:520px;left:50%;transform:translateX(-50%)}
  .sheet{max-width:520px;left:50%;transform:translateX(-50%)}
  @keyframes rise{from{transform:translate(-50%,100%)}to{transform:translate(-50%,0)}}
}

/* ─────────────────────────── auth gate ─────────────────────────── */
/* No signed initData means we cannot know who the caller is; say so plainly
   instead of letting every request fail with a silent 401. */
.gate{
  position:fixed;inset:0;z-index:70;display:grid;place-items:center;
  background:var(--s0);padding:var(--pad);
}
.gate-box{text-align:center;max-width:300px}
.gate-mark{width:34px;height:34px;color:var(--hi);margin-bottom:18px;stroke-width:1.3}
.gate-box b{display:block;font-family:"Instrument Serif",Georgia,serif;font-size:24px;font-weight:400;margin-bottom:10px}
.gate-box p{font-size:13.5px;color:var(--ink-2);line-height:1.6;margin-bottom:20px}
.gate-box .ghost{margin-bottom:16px}
.gate-box code{
  display:block;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;
  font-size:10.5px;color:var(--ink-3);word-break:break-all;line-height:1.5;
}