/* =========================================================
   FLASHBOX — photobooth
   Design system: bright paper white + soft violet accent
   ========================================================= */

:root{
  color-scheme:light;

  --bg:#ffffff;
  --bg-soft:#f7f8fb;
  --surface:#ffffff;
  --surface-2:#f4f5f9;
  --surface-3:#eceef4;

  --ink:#0f1115;
  --ink-2:#5b6373;
  --ink-3:#98a0b0;

  --line:#e6e9f0;
  --line-2:#f0f2f7;

  --violet:#5b4bff;
  --violet-2:#8b5cff;
  --pink:#ff4d8d;
  --cyan:#00c2ff;
  --lime:#22c55e;
  --amber:#f59e0b;

  --grad:linear-gradient(100deg,#5b4bff 0%,#8b5cff 42%,#ff4d8d 100%);
  --grad-soft:linear-gradient(100deg,rgba(91,75,255,.12),rgba(139,92,255,.12),rgba(255,77,141,.12));

  --r-sm:10px; --r:14px; --r-lg:20px; --r-xl:28px;

  --sh-1:0 1px 2px rgba(16,24,40,.05);
  --sh-2:0 4px 16px -4px rgba(16,24,40,.10),0 1px 3px rgba(16,24,40,.06);
  --sh-3:0 28px 64px -24px rgba(16,24,40,.28),0 2px 8px rgba(16,24,40,.05);
  --ring:0 0 0 4px rgba(91,75,255,.15);

  --ease:cubic-bezier(.22,1,.36,1);
  --sans:"Inter","SF Pro Display",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  --mono:"SFMono-Regular",ui-monospace,"JetBrains Mono",Menlo,Consolas,monospace;
}

/* The browser's own `[hidden] { display:none }` loses to any class rule that
   sets a display, so state it explicitly — modals, the room pill and the
   camera-error overlay all rely on the attribute. */
[hidden]{display:none !important}

*,*::before,*::after{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0; background:var(--bg); color:var(--ink);
  font-family:var(--sans);
  font-size:15px; line-height:1.55;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  overflow-x:hidden;
}
button,input{font:inherit;color:inherit}
h1,h2,h3,h4{margin:0;line-height:1.12;letter-spacing:-.022em;font-weight:660}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
code{font-family:var(--mono);font-size:.88em;background:var(--surface-2);border:1px solid var(--line);padding:.1em .42em;border-radius:6px}
a{color:var(--violet)}
::selection{background:rgba(91,75,255,.16)}

/* ---------------------------- background fx ---------------------------- */
.bg-fx{position:fixed;inset:0;z-index:0;pointer-events:none;overflow:hidden;background:
  radial-gradient(120% 80% at 50% -10%,#fbfaff 0%,#ffffff 55%)}
.blob{position:absolute;border-radius:50%;filter:blur(110px);opacity:.5;will-change:transform}
.b1{width:48vw;height:48vw;left:-12vw;top:-14vw;background:radial-gradient(circle at 30% 30%,rgba(139,92,255,.55),transparent 62%);animation:drift1 28s var(--ease) infinite alternate}
.b2{width:42vw;height:42vw;right:-10vw;top:4vh;background:radial-gradient(circle at 60% 40%,rgba(255,77,141,.42),transparent 62%);animation:drift2 34s var(--ease) infinite alternate}
.b3{width:40vw;height:40vw;left:28vw;bottom:-18vw;background:radial-gradient(circle at 50% 50%,rgba(0,194,255,.36),transparent 62%);animation:drift3 31s var(--ease) infinite alternate;opacity:.4}
@keyframes drift1{to{transform:translate3d(8vw,6vh,0) scale(1.14)}}
@keyframes drift2{to{transform:translate3d(-7vw,10vh,0) scale(1.1)}}
@keyframes drift3{to{transform:translate3d(5vw,-8vh,0) scale(1.18)}}
/* a whisper of paper texture, and a faint dot grid for depth */
.grain{position:absolute;inset:-200%;opacity:.022;mix-blend-mode:multiply;background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='160' height='160'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='3'/></filter><rect width='160' height='160' filter='url(%23n)'/></svg>")}
.scan{position:absolute;inset:0;opacity:.5;background-image:radial-gradient(circle,rgba(15,17,21,.055) 1px,transparent 1px);background-size:26px 26px;
  -webkit-mask-image:radial-gradient(120% 90% at 50% 0%,#000 0%,transparent 68%);
  mask-image:radial-gradient(120% 90% at 50% 0%,#000 0%,transparent 68%)}

/* ------------------------------- topbar -------------------------------- */
.topbar{
  position:sticky;top:0;z-index:60;
  display:flex;align-items:center;gap:16px;
  padding:12px clamp(16px,4vw,42px);
  backdrop-filter:blur(18px) saturate(180%);
  -webkit-backdrop-filter:blur(18px) saturate(180%);
  background:rgba(255,255,255,.78);
  border-bottom:1px solid var(--line);
}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--ink);flex:0 0 auto}
.brand-mark{width:34px;height:34px;display:grid;place-items:center;border-radius:11px;background:var(--grad);box-shadow:0 6px 18px -6px rgba(91,75,255,.7)}
.brand-mark svg{width:19px;height:19px;color:#fff}
.brand-text{font-weight:800;letter-spacing:.16em;font-size:14px}
.brand-text b{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;font-weight:800}
.topnav{margin-left:auto;display:flex;gap:8px}

.room-pill{
  display:flex;align-items:center;gap:10px;margin-left:14px;
  padding:5px 5px 5px 12px;border:1px solid var(--line);border-radius:999px;
  background:var(--surface);box-shadow:var(--sh-1);font-size:12.5px;
}
.room-pill .dot{width:7px;height:7px;border-radius:50%;background:var(--ink-3)}
.room-pill.live .dot{background:var(--lime);animation:pulse 1.8s infinite}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(34,197,94,.5)}70%{box-shadow:0 0 0 8px rgba(34,197,94,0)}100%{box-shadow:0 0 0 0 rgba(34,197,94,0)}}
.room-code{font-family:var(--mono);letter-spacing:.08em;font-weight:600}
.room-peers{color:var(--ink-3)}
.pill-btn{border:0;background:var(--grad);color:#fff;font-weight:700;font-size:12px;padding:6px 13px;border-radius:999px;cursor:pointer;transition:.18s var(--ease)}
.pill-btn:hover{filter:brightness(1.07)}

/* ------------------------------- buttons ------------------------------- */
.btn{
  position:relative;display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:10px 18px;border-radius:999px;border:1px solid var(--line);
  background:var(--surface);color:var(--ink);cursor:pointer;font-weight:600;font-size:14px;
  box-shadow:var(--sh-1);
  transition:transform .18s var(--ease),background .18s,border-color .18s,box-shadow .25s;
  white-space:nowrap;
}
.btn:hover{transform:translateY(-1px);background:var(--surface-2);border-color:#d8dce6;box-shadow:var(--sh-2)}
.btn:active{transform:translateY(0) scale(.985)}
.btn:focus-visible{outline:none;box-shadow:var(--ring)}
.btn:disabled{opacity:.45;pointer-events:none;box-shadow:none}
.btn.primary{background:var(--grad);color:#fff;border-color:transparent;box-shadow:0 10px 26px -10px rgba(91,75,255,.85)}
.btn.primary:hover{background:var(--grad);filter:brightness(1.06);box-shadow:0 16px 34px -12px rgba(255,77,141,.6)}
.btn.ghost{background:transparent;box-shadow:none}
.btn.ghost:hover{background:var(--surface-2);box-shadow:none}
.btn.lg{padding:14px 26px;font-size:15.5px}
.btn.sm{padding:8px 14px;font-size:13px}
.btn.full{width:100%}
.btn .ico{width:15px;height:15px;fill:currentColor}
.ghost-btn{background:transparent;border:1px solid transparent;border-radius:999px;padding:8px 14px;font-size:13.5px;color:var(--ink-2);cursor:pointer;transition:.18s;font-weight:550}
.ghost-btn:hover{background:var(--surface-2);color:var(--ink)}
.mini-btn{background:var(--surface);border:1px solid var(--line);border-radius:8px;padding:5px 10px;font-size:12px;color:var(--ink-2);cursor:pointer;transition:.16s}
.mini-btn:hover{color:var(--ink);border-color:#d8dce6;background:var(--surface-2)}

/* -------------------------------- views -------------------------------- */
#app{position:relative;z-index:1}
.view{display:none;padding:clamp(20px,4vw,44px) clamp(16px,4vw,42px) 90px;max-width:1420px;margin:0 auto;animation:viewIn .45s var(--ease)}
.view.is-active{display:block}
@keyframes viewIn{from{opacity:0;transform:translateY(12px)}to{opacity:1;transform:none}}
.view-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:26px;flex-wrap:wrap}
.h2{font-size:clamp(26px,3.4vw,38px)}
.sub{color:var(--ink-2);font-size:14.5px;max-width:62ch}
.hint{color:var(--ink-3);font-size:12.5px;margin-top:8px}
.hint.center{text-align:center}

/* --------------------------------- hero -------------------------------- */
.hero{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);gap:clamp(24px,5vw,70px);align-items:center;min-height:min(74vh,700px)}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12.5px;color:var(--ink-2);border:1px solid var(--line);background:var(--surface);box-shadow:var(--sh-1);padding:6px 13px;border-radius:999px}
.live-dot{width:6px;height:6px;border-radius:50%;background:var(--lime);animation:pulse 2s infinite}
.title{margin:20px 0 18px;font-size:clamp(40px,7vw,84px);font-weight:800;letter-spacing:-.04em}
.title .line{display:block}
.title .grad{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;background-size:200% 100%;animation:shine 8s linear infinite}
@keyframes shine{to{background-position:200% 0}}
.lede{color:var(--ink-2);font-size:clamp(15px,1.4vw,17.5px);max-width:52ch}
.cta-row{display:flex;gap:12px;margin:30px 0 22px;flex-wrap:wrap}
.chips{display:flex;flex-wrap:wrap;gap:8px}
.chips li{font-size:12.5px;color:var(--ink-2);border:1px solid var(--line);background:var(--surface);padding:6px 12px;border-radius:999px}

.hero-art{position:relative;display:grid;place-items:center;min-height:400px}
.hero-glow{position:absolute;width:72%;aspect-ratio:1;border-radius:50%;background:var(--grad);filter:blur(90px);opacity:.22;z-index:0}
.strip-float{position:relative;z-index:1;transform:rotate(-5deg);animation:float 7s ease-in-out infinite;filter:drop-shadow(0 30px 44px rgba(16,24,40,.22))}
@keyframes float{0%,100%{transform:rotate(-5deg) translateY(0)}50%{transform:rotate(-3.5deg) translateY(-16px)}}
#heroStrip{width:clamp(180px,20vw,250px);height:auto;border-radius:10px;display:block}

.how{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:16px;margin-top:clamp(36px,6vw,80px)}
.how-card{padding:26px;border:1px solid var(--line);border-radius:var(--r-lg);background:var(--surface);box-shadow:var(--sh-1);transition:.3s var(--ease)}
.how-card:hover{transform:translateY(-4px);border-color:#dce0ea;box-shadow:var(--sh-2)}
.how-card .n{font-family:var(--mono);font-size:12px;color:var(--violet);letter-spacing:.14em;font-weight:600}
.how-card h3{margin:10px 0 8px;font-size:19px}
.how-card p{color:var(--ink-2);font-size:14px}

/* ------------------------------ design grid ---------------------------- */
.design-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(190px,1fr));gap:16px}
.design-card{
  position:relative;padding:12px;border:1px solid var(--line);border-radius:var(--r-lg);
  background:var(--surface);cursor:pointer;text-align:left;box-shadow:var(--sh-1);
  transition:transform .28s var(--ease),border-color .2s,box-shadow .3s;
}
.design-card:hover{transform:translateY(-5px);box-shadow:var(--sh-2)}
.design-card.sel{border-color:var(--violet);box-shadow:var(--ring),var(--sh-2)}
/* Cards range from a tall four-panel strip to a wide six-up, so a plain
   width:100% makes the picker lurch. Cap the height and letterbox instead, so
   every design is shown whole and the grid stays a grid. */
.design-card canvas{width:100%;height:auto;max-height:280px;object-fit:contain;
  display:block;border-radius:12px;background:var(--surface-3)}
.swap-item canvas{max-height:150px;object-fit:contain}
.design-card .dc-name{margin-top:11px;font-weight:650;font-size:14.5px}
.design-card .dc-meta{color:var(--ink-3);font-size:12px}
.design-card .tick{position:absolute;top:18px;right:18px;width:24px;height:24px;border-radius:50%;background:var(--grad);color:#fff;display:none;place-items:center;font-size:13px;font-weight:800;box-shadow:0 4px 12px -4px rgba(91,75,255,.8)}
.design-card.sel .tick{display:grid}

.sticky-cta{
  position:sticky;bottom:16px;margin-top:24px;display:flex;align-items:center;gap:16px;justify-content:space-between;
  padding:11px 11px 11px 20px;border:1px solid var(--line);border-radius:999px;
  background:rgba(255,255,255,.9);backdrop-filter:blur(18px);box-shadow:var(--sh-3);
}
.picked{font-size:14px;color:var(--ink-2)}
.picked b{color:var(--ink)}

/* -------------------------------- booth -------------------------------- */
.booth-wrap{display:grid;grid-template-columns:minmax(0,1fr) 340px;gap:22px;align-items:start}
.stage{
  position:relative;aspect-ratio:4/3;border-radius:var(--r-xl);overflow:hidden;
  background:#0d0f14;border:1px solid var(--line);box-shadow:var(--sh-3);
}
/* One pane solo, two equal panes once your friend's camera arrives — the
   layout deliberately mirrors what the split-screen photo will look like. */
.cams{position:absolute;inset:0;display:flex}
.cam{position:relative;flex:1 1 0;min-width:0;overflow:hidden;background:#0d0f14}
.cams.duo .cam + .cam{border-left:3px solid #fff}
.cam video{width:100%;height:100%;object-fit:cover;display:block;transition:filter .3s}
.cam video.mirrored{transform:scaleX(-1)}
.cam-tag{position:absolute;bottom:10px;left:10px;font-size:10.5px;letter-spacing:.06em;text-transform:uppercase;font-weight:700;
  padding:3px 9px;border-radius:999px;background:rgba(15,17,21,.62);color:#fff;backdrop-filter:blur(8px)}
.cams:not(.duo) .cam-tag{display:none}
#video{width:100%;height:100%;object-fit:cover;display:block;transition:filter .3s}
#video.mirrored{transform:scaleX(-1)}

/* ------------------------- the chooser (takes) ------------------------- */
.pool{display:grid;grid-template-columns:repeat(auto-fill,minmax(132px,1fr));gap:10px;margin:16px 0 4px;
  max-height:min(46vh,420px);overflow-y:auto;padding:2px}
.take{position:relative;padding:0;line-height:0;border:2px solid var(--line);border-radius:12px;overflow:hidden;
  background:var(--surface-2);cursor:pointer;transition:transform .18s var(--ease),border-color .18s,box-shadow .2s}
.take img{display:block;width:100%;height:auto;aspect-ratio:4/3;object-fit:cover}
.take:hover{transform:translateY(-2px);box-shadow:var(--sh-2)}
.take.on{border-color:var(--violet);box-shadow:var(--ring)}
/* a pink dashed edge marks what the other person sent over */
.take.theirs::after{content:"";position:absolute;inset:3px;border-radius:8px;
  border:2px dashed var(--pink);pointer-events:none}
.co-note{margin-top:12px;padding:9px 13px;border-radius:11px;font-size:13px;color:var(--ink-2);
  background:rgba(255,77,141,.08);border:1px solid rgba(255,77,141,.25)}
.co-note b{color:var(--ink)}
.take .rank{position:absolute;top:7px;left:7px;width:22px;height:22px;border-radius:50%;display:grid;place-items:center;
  font-size:11.5px;font-weight:800;background:var(--grad);color:#fff;box-shadow:0 3px 10px -3px rgba(91,75,255,.9)}
.take .who{position:absolute;bottom:6px;left:6px;font-size:9.5px;letter-spacing:.06em;text-transform:uppercase;
  font-weight:700;padding:2px 7px;border-radius:999px;background:rgba(15,17,21,.66);color:#fff}
/* the visitor's running view of the takes — a strip, never a dialog */
.watch-strip{display:grid;grid-template-columns:repeat(3,1fr);gap:7px}
.watch-shot{position:relative;border-radius:9px;overflow:hidden;border:1px solid var(--line);
  background:var(--surface-2);animation:watchIn .35s var(--ease)}
.watch-shot img{display:block;width:100%;height:auto;aspect-ratio:4/3;object-fit:cover}
@keyframes watchIn{from{opacity:0;transform:scale(.9)}to{opacity:1;transform:none}}

/* a take that hasn't finished coming down the wire yet */
.take.pending{cursor:default;aspect-ratio:4/3;background:
  linear-gradient(100deg,var(--surface-2) 30%,var(--surface-3) 50%,var(--surface-2) 70%);
  background-size:220% 100%;animation:takeWait 1.3s linear infinite;border-style:dashed}
.take.pending:hover{transform:none;box-shadow:none}
@keyframes takeWait{to{background-position:-120% 0}}

.choose-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:14px}
.choose-actions .btn{flex:1 1 auto}
.modal-card.wide{width:min(620px,100%)}

/* what the visitor sees where the host's "Finish & decorate" button sits, and
   the note about missing frame artwork on the picker */
.wait-note{margin-top:8px;padding:11px 14px;border-radius:12px;font-size:13px;color:var(--ink-2);
  background:var(--grad-soft);border:1px solid rgba(91,75,255,.2);text-align:center}
.view-head .wait-note{text-align:left;margin-top:12px;max-width:62ch}
.frame-guide{position:absolute;inset:0;width:100%;height:100%;pointer-events:none;opacity:.9}
.stage-overlay{position:absolute;inset:0;display:grid;place-items:center;pointer-events:none}
.countdown{opacity:0;transition:opacity .2s}
.countdown.on{opacity:1}
.countdown span{
  display:grid;place-items:center;width:min(34vw,190px);aspect-ratio:1;border-radius:50%;
  font-size:min(16vw,92px);font-weight:800;letter-spacing:-.04em;color:#fff;
  background:rgba(10,12,18,.34);backdrop-filter:blur(6px);
  border:2px solid rgba(255,255,255,.4);
  animation:tick 1s var(--ease);
}
@keyframes tick{0%{transform:scale(.6);opacity:0}30%{transform:scale(1.05);opacity:1}100%{transform:scale(1);opacity:1}}
.shot-toast{position:absolute;bottom:20px;padding:8px 18px;border-radius:999px;background:rgba(15,17,21,.82);color:#fff;backdrop-filter:blur(10px);font-size:13.5px;opacity:0;transform:translateY(8px);transition:.3s var(--ease)}
.shot-toast.on{opacity:1;transform:none}
.stage-badges{position:absolute;top:14px;left:14px;right:14px;display:flex;gap:8px;flex-wrap:wrap}
.badge{font-size:12px;font-family:var(--mono);letter-spacing:.06em;padding:5px 11px;border-radius:999px;background:rgba(15,17,21,.6);color:#fff;backdrop-filter:blur(10px);border:1px solid rgba(255,255,255,.16)}
/* the link badge goes amber while the booth is open but nobody has arrived */
.badge.warn{background:rgba(245,158,11,.9);border-color:rgba(255,255,255,.5);color:#231704}
.cam-error{position:absolute;inset:0;display:grid;place-content:center;justify-items:center;gap:10px;text-align:center;padding:26px;background:rgba(13,15,20,.92);color:#fff;backdrop-filter:blur(8px)}
.cam-error p{color:rgba(255,255,255,.72);font-size:14px;max-width:42ch}
.cam-error .btn{background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.22);color:#fff;box-shadow:none}
.cam-error .btn:hover{background:rgba(255,255,255,.18)}
.cam-error .btn.primary{background:var(--grad);border-color:transparent}

.controls{display:flex;align-items:center;justify-content:center;gap:clamp(20px,5vw,48px);margin:22px 0 8px}
.round-btn{width:50px;height:50px;border-radius:50%;border:1px solid var(--line);background:var(--surface);box-shadow:var(--sh-1);display:grid;place-items:center;cursor:pointer;color:var(--ink-2);transition:.2s var(--ease)}
.round-btn svg{width:21px;height:21px}
.round-btn:hover{transform:translateY(-2px);box-shadow:var(--sh-2);color:var(--ink)}
.round-btn[aria-pressed="true"]{background:var(--grad-soft);border-color:rgba(91,75,255,.35);color:var(--violet)}

.shutter{position:relative;width:96px;height:96px;border-radius:50%;border:0;background:transparent;cursor:pointer;display:grid;place-items:center}
.shutter-ring{position:absolute;inset:0;border-radius:50%;border:2px solid var(--line);transition:.3s var(--ease)}
.shutter-core{position:absolute;inset:8px;border-radius:50%;background:var(--grad);box-shadow:0 12px 30px -10px rgba(91,75,255,.85);transition:.25s var(--ease)}
.shutter-label{position:relative;z-index:2;font-size:12px;font-weight:800;letter-spacing:.16em;color:#fff}
.shutter:hover .shutter-ring{inset:-5px;border-color:rgba(91,75,255,.4)}
.shutter:active .shutter-core{inset:14px}
.shutter.busy .shutter-core{background:var(--surface-3);box-shadow:none}
.shutter.busy .shutter-label{color:var(--ink-3)}
.shutter:disabled{opacity:.5;pointer-events:none}

.rail{display:flex;flex-wrap:wrap;gap:18px;padding:16px 18px;border:1px solid var(--line);border-radius:var(--r-lg);background:var(--surface);box-shadow:var(--sh-1);margin-top:16px}
.rail-group{display:flex;flex-direction:column;gap:8px;min-width:0}
.rail-group.grow{flex:1 1 260px}
.rail-label{font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--ink-3);font-weight:600}
.seg{display:inline-flex;padding:3px;border:1px solid var(--line);border-radius:999px;background:var(--surface-2)}
.seg button{border:0;background:transparent;padding:6px 14px;border-radius:999px;font-size:13px;cursor:pointer;color:var(--ink-2);transition:.18s}
.seg button:hover{color:var(--ink)}
.seg button.on{background:var(--grad);color:#fff;font-weight:700;box-shadow:0 4px 12px -4px rgba(91,75,255,.7)}
.filter-rail{display:flex;gap:8px;overflow-x:auto;padding-bottom:4px;scrollbar-width:thin}
.filter-rail::-webkit-scrollbar{height:5px}
.filter-rail::-webkit-scrollbar-thumb{background:var(--surface-3);border-radius:9px}
.fchip{flex:0 0 auto;border:1px solid var(--line);background:var(--surface);border-radius:11px;padding:7px 13px;font-size:12.5px;cursor:pointer;color:var(--ink-2);transition:.18s var(--ease);white-space:nowrap}
.fchip:hover{color:var(--ink);transform:translateY(-2px);box-shadow:var(--sh-1)}
.fchip.on{background:var(--grad);color:#fff;border-color:transparent;font-weight:700}

/* ------------------------------- panels -------------------------------- */
.side-col,.studio-side{display:flex;flex-direction:column;gap:16px;position:sticky;top:82px}
.panel{padding:18px;border:1px solid var(--line);border-radius:var(--r-lg);background:var(--surface);box-shadow:var(--sh-1)}
.panel-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px}
.panel-head h3{font-size:12px;letter-spacing:.11em;text-transform:uppercase;color:var(--ink-3);font-weight:700}
.slots{display:grid;grid-template-columns:repeat(4,1fr);gap:8px}
.slot{position:relative;aspect-ratio:4/3;border-radius:10px;border:1px dashed #d9dde7;background:var(--surface-2);overflow:hidden;display:grid;place-items:center;color:var(--ink-3);font-size:12px;cursor:default;transition:.2s}
.slot img{width:100%;height:100%;object-fit:cover;display:block}
.slot.filled{border-style:solid;border-color:var(--line);cursor:pointer}
.slot.filled:hover{transform:scale(1.05);border-color:var(--violet);box-shadow:var(--sh-2)}
.slot.active{border-color:var(--cyan);box-shadow:0 0 0 2px rgba(0,194,255,.3)}
.slot .who{position:absolute;bottom:0;left:0;right:0;font-size:9px;text-align:center;background:rgba(15,17,21,.62);color:#fff;padding:2px}
.design-mini canvas{width:100%;border-radius:12px;display:block;margin-bottom:12px;background:var(--surface-3)}
.people li{display:flex;align-items:center;gap:9px;padding:7px 0;font-size:13.5px;border-bottom:1px solid var(--line-2)}
.people li:last-child{border-bottom:0}
.people .av{width:26px;height:26px;border-radius:50%;display:grid;place-items:center;font-size:10px;font-weight:700;background:var(--grad);color:#fff}
.people em{color:var(--ink-3);font-style:normal;font-size:12px;margin-left:auto}
.people li.me .av{background:linear-gradient(100deg,var(--cyan),var(--violet))}

/* -------------------------------- studio ------------------------------- */
.studio{display:grid;grid-template-columns:minmax(0,1fr) 340px;gap:22px;align-items:start}
.studio-canvas-wrap{display:grid;justify-items:center;gap:12px;padding:clamp(16px,3vw,34px);border:1px solid var(--line);border-radius:var(--r-xl);
  background:radial-gradient(ellipse at 50% 0%,rgba(91,75,255,.07),transparent 60%),var(--surface)}
.print-area{position:relative;filter:drop-shadow(0 26px 44px rgba(16,24,40,.24))}
#output{display:block;max-width:100%;max-height:min(70vh,780px);width:auto;height:auto;border-radius:8px}
.sticker-layer{position:absolute;inset:0}
.sticker{position:absolute;width:64px;height:64px;cursor:grab;touch-action:none;user-select:none;transition:filter .2s;filter:drop-shadow(0 5px 9px rgba(0,0,0,.35))}
.sticker:active{cursor:grabbing}
.sticker.drag,.sticker.sizing{filter:drop-shadow(0 12px 16px rgba(0,0,0,.45)) brightness(1.06)}
.sticker svg{width:100%;height:100%;display:block;pointer-events:none}
/* An outline while you're working on one, so the grips read as part of it */
.sticker.drag::before,.sticker.sizing::before,.sticker:hover::before{
  content:"";position:absolute;inset:-6%;border:1.5px dashed rgba(91,75,255,.75);border-radius:8px}
/* Handles: hidden until hover on a mouse, always out on touch */
.sk-btn{position:absolute;width:26px;height:26px;border-radius:50%;border:1.5px solid #fff;cursor:pointer;
  display:grid;place-items:center;padding:0;line-height:1;opacity:0;transition:opacity .15s,transform .15s var(--ease);
  box-shadow:0 2px 8px rgba(0,0,0,.4);touch-action:none}
.sticker:hover .sk-btn,.sticker.drag .sk-btn,.sticker.sizing .sk-btn{opacity:1}
.sk-btn:hover{transform:scale(1.12)}
.sk-del{top:-13px;right:-13px;background:#ef4444;color:#fff;font-size:16px;font-weight:700}
.sk-grip{bottom:-13px;right:-13px;background:var(--violet);cursor:nwse-resize}
/* two little bars, so it reads as a resize corner */
.sk-grip::after{content:"";width:11px;height:11px;border-right:2.5px solid #fff;border-bottom:2.5px solid #fff;
  border-bottom-right-radius:3px;transform:translate(-1px,-1px)}
@media (hover:none){
  .sk-btn{opacity:1;width:30px;height:30px}
  .sk-del{top:-15px;right:-15px}
  .sk-grip{bottom:-15px;right:-15px}
  .sticker::before{content:"";position:absolute;inset:-6%;border:1.5px dashed rgba(91,75,255,.6);border-radius:8px}
}

.input{width:100%;padding:10px 14px;border-radius:11px;border:1px solid var(--line);background:var(--surface);outline:none;transition:.2s}
.input::placeholder{color:var(--ink-3)}
.input:focus{border-color:var(--violet);box-shadow:var(--ring)}
.input.big{text-align:center;font-family:var(--mono);font-size:24px;letter-spacing:.22em;text-transform:uppercase;padding:16px}
.switch{display:flex;align-items:center;gap:10px;margin-top:12px;font-size:13.5px;color:var(--ink-2);cursor:pointer}
.switch input{display:none}
.switch span{width:38px;height:22px;border-radius:999px;background:var(--surface-3);position:relative;transition:.22s var(--ease);flex:0 0 auto}
.switch span::after{content:"";position:absolute;top:3px;left:3px;width:16px;height:16px;border-radius:50%;background:#fff;box-shadow:var(--sh-1);transition:.22s var(--ease)}
.switch input:checked + span{background:var(--grad)}
.switch input:checked + span::after{transform:translateX(16px)}

.sticker-tray{display:grid;grid-template-columns:repeat(5,1fr);gap:8px;margin-bottom:12px}
.tray-item{aspect-ratio:1;border:1px solid var(--line);border-radius:12px;background:var(--surface-2);display:grid;place-items:center;cursor:pointer;transition:.2s var(--ease);padding:7px}
.tray-item:hover{transform:translateY(-3px) scale(1.05);border-color:var(--violet);background:var(--surface);box-shadow:var(--sh-2)}
.tray-item svg{width:100%;height:100%}
.design-swap{display:grid;grid-template-columns:repeat(4,1fr);gap:8px;align-items:start}
.swap-item{border-radius:9px;border:1px solid var(--line);overflow:hidden;cursor:pointer;padding:0;background:var(--surface-2);transition:.2s var(--ease);line-height:0}
.swap-item:hover{transform:translateY(-2px);box-shadow:var(--sh-2)}
.swap-item canvas{width:100%;height:auto;display:block}
.swap-item.sel{box-shadow:0 0 0 2px var(--violet);border-color:transparent}
.export-grid{display:grid;grid-template-columns:1fr 1fr;gap:9px;margin-bottom:12px}
.progress{margin:8px 0 12px;font-size:12px;color:var(--ink-2)}
.progress .bar{height:5px;border-radius:99px;background:var(--surface-3);overflow:hidden;margin-bottom:6px}
.progress .bar i{display:block;height:100%;width:0;background:var(--grad);transition:width .2s}

/* -------------------------------- modals ------------------------------- */
.modal{position:fixed;inset:0;z-index:90;display:grid;place-items:center;padding:20px;background:rgba(15,17,21,.42);backdrop-filter:blur(6px);animation:fadeIn .22s}
@keyframes fadeIn{from{opacity:0}to{opacity:1}}
.modal-card{position:relative;width:min(460px,100%);max-height:92vh;overflow:auto;padding:30px;border-radius:var(--r-xl);border:1px solid var(--line);background:var(--surface);box-shadow:var(--sh-3);animation:pop .3s var(--ease)}
.modal-card.narrow{width:min(380px,100%)}
@keyframes pop{from{transform:translateY(16px) scale(.975);opacity:0}to{transform:none;opacity:1}}
.modal-card h3{font-size:22px;margin-bottom:8px}
.modal-card h4{font-size:14px;margin:18px 0 6px}
.close{position:absolute;top:14px;right:16px;width:32px;height:32px;border-radius:50%;border:1px solid var(--line);background:var(--surface);font-size:18px;line-height:1;cursor:pointer;color:var(--ink-2);transition:.16s;z-index:2}
.close:hover{color:var(--ink);background:var(--surface-2);border-color:#d8dce6}
.close:focus-visible{outline:none;box-shadow:var(--ring)}
.qr-wrap{display:grid;place-items:center;margin:20px 0;padding:16px;background:#fff;border:1px solid var(--line);border-radius:var(--r);width:fit-content;margin-inline:auto}
#qrCanvas{display:block;image-rendering:pixelated;width:220px;height:220px}
.code-row{display:flex;align-items:center;gap:12px;margin-bottom:12px}
.code-box{flex:1;padding:9px 14px;border-radius:11px;border:1px solid var(--line);background:var(--surface-2)}
.code-box label{display:block;font-size:10.5px;letter-spacing:.14em;text-transform:uppercase;color:var(--ink-3);font-weight:600}
.code-box strong{font-family:var(--mono);font-size:20px;letter-spacing:.16em}
.link-row{display:flex;gap:9px}
.link-row .input{font-size:12.5px;font-family:var(--mono);background:var(--surface-2)}
.help-list{counter-reset:h;display:grid;gap:10px;margin:14px 0}
.help-list li{position:relative;padding-left:30px;font-size:14px;color:var(--ink-2)}
.help-list li::before{counter-increment:h;content:counter(h);position:absolute;left:0;top:1px;width:20px;height:20px;border-radius:50%;background:var(--grad);color:#fff;font-size:11px;font-weight:800;display:grid;place-items:center}
.help-list b{color:var(--ink)}

/* --------------------------- flash + toast ----------------------------- */
.flash{position:fixed;inset:0;background:#fff;opacity:0;pointer-events:none;z-index:100}
.flash.go{animation:flash .42s ease-out}
@keyframes flash{0%{opacity:0}8%{opacity:.92}100%{opacity:0}}
.toast{position:fixed;left:50%;bottom:28px;transform:translate(-50%,20px);z-index:110;padding:11px 20px;border-radius:999px;background:rgba(15,17,21,.94);color:#fff;font-size:13.5px;opacity:0;pointer-events:none;transition:.28s var(--ease);box-shadow:var(--sh-3)}
.toast.on{opacity:1;transform:translate(-50%,0)}

/* ------------------------------ responsive ----------------------------- */

/* No double-tap-to-zoom delay on anything you're meant to tap. */
button,.btn,.seg button,.fchip,.round-btn,.shutter,.tray-item,.take,.swap-item,.slot{touch-action:manipulation}

@media (max-width:1080px){
  .booth-wrap,.studio{grid-template-columns:1fr}
  .side-col,.studio-side{position:static;flex-direction:row;flex-wrap:wrap}
  .side-col > .panel,.studio-side > .panel{flex:1 1 300px}
}
@media (max-width:820px){
  .hero{grid-template-columns:1fr;text-align:center;padding-top:10px}
  .hero-copy{display:grid;justify-items:center}
  .hero-art{order:-1;min-height:280px}
  .cta-row,.chips{justify-content:center}
  .topnav{display:none}
  .room-pill{margin-left:auto}
  /* keep the preview at the same 4:3 the photos are cropped to, so what you
     see on a phone is exactly what lands in the strip */
  .stage{aspect-ratio:4/3}
  .rail{gap:14px}
  .rail-group{flex:1 1 100%}
  .export-grid{grid-template-columns:1fr}
}
@media (max-width:640px){
  /* Modals become near-full-screen sheets — a 30px inset wastes a phone. */
  .modal{padding:10px}
  .modal-card,.modal-card.narrow,.modal-card.wide{width:100%;max-height:calc(100dvh - 20px);padding:22px 18px}
  .modal-card h3{font-size:19px;padding-right:34px}
  .pool{grid-template-columns:repeat(auto-fill,minmax(96px,1fr));gap:8px;max-height:52dvh}
  .choose-actions{flex-direction:column}
  .choose-actions .btn{width:100%}
  .qr-wrap{margin:14px auto;padding:12px}
  #qrCanvas{width:min(200px,52vw);height:min(200px,52vw)}
  .code-row{flex-wrap:wrap}
  .link-row{flex-direction:column}
  .link-row .btn{width:100%}
  /* the strip preview shouldn't need scrolling to see whole */
  #output{max-height:58dvh}
  .studio-canvas-wrap{padding:14px}
  .sticker-tray{grid-template-columns:repeat(6,1fr)}
  .export-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:520px){
  .brand-text{display:none}
  .room-pill .room-peers{display:none}
  .shutter{width:84px;height:84px}
  .controls{gap:26px;margin:16px 0 6px}
  .round-btn{width:46px;height:46px}
  .sticky-cta{flex-direction:column;border-radius:var(--r-lg);align-items:stretch;padding:14px;
    bottom:max(12px,env(safe-area-inset-bottom))}
  .sticky-cta .btn{width:100%}
  .view{padding-bottom:calc(70px + env(safe-area-inset-bottom))}
  .cam-tag{font-size:9px;padding:2px 7px;bottom:7px;left:7px}
  .badge{font-size:10.5px;padding:4px 9px}
  .stage{border-radius:20px}
  .toast{bottom:max(20px,env(safe-area-inset-bottom));left:12px;right:12px;transform:translateY(20px);
    max-width:none;text-align:center}
  .toast.on{transform:translateY(0)}
  .design-grid{grid-template-columns:repeat(auto-fill,minmax(140px,1fr));gap:12px}
  .title{font-size:clamp(34px,10vw,52px)}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.01ms !important;animation-iteration-count:1 !important;transition-duration:.01ms !important}
}

/* -------------------------------- print -------------------------------- */
@media print{
  @page{margin:8mm}
  body{background:#fff !important}
  .bg-fx,.topbar,.studio-side,.toast,.flash,.modal,.hint,.view-head{display:none !important}
  .view{padding:0 !important;max-width:none}
  .studio{display:block}
  .studio-canvas-wrap{border:0 !important;background:none !important;padding:0 !important}
  .print-area{filter:none !important}
  #output{max-height:none;max-width:100%;box-shadow:none}
  .sticker{filter:none !important}
}