:root{--red:#e30613;--ink:#1d1d1f;--mute:#6e6e73;--line:#e5e5e7;--soft:#f5f5f7;--st:env(safe-area-inset-top);--sb:env(safe-area-inset-bottom)}
*{box-sizing:border-box;margin:0;padding:0;-webkit-tap-highlight-color:transparent}
html,body{height:100%;overflow:hidden;background:#000;color:#fff;font-family:-apple-system,BlinkMacSystemFont,"SF Pro Text","Segoe UI",Helvetica,Arial,sans-serif;-webkit-font-smoothing:antialiased;overscroll-behavior:none;-webkit-user-select:none;user-select:none}
button{font:inherit;color:inherit;border:none;background:none;cursor:pointer}
svg{display:block}
.hidden{display:none!important}
.screen{position:fixed;inset:0;display:none;flex-direction:column}
.screen.on{display:flex}
.screen.light{background:#fff;color:var(--ink)}
.screen.dark{background:#000;color:#fff}

/* camera */
#video{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;background:#000}
#overlay{position:absolute;inset:0;width:100%;height:100%;pointer-events:none}
.flash{position:absolute;inset:0;background:#fff;opacity:0;pointer-events:none;transition:opacity .25s}
.flash.on{opacity:.75;transition:none}
.ctop{position:absolute;left:0;right:0;top:0;padding:calc(var(--st) + 12px) 16px 12px;display:flex;align-items:center;justify-content:center;gap:12px;background:linear-gradient(rgba(0,0,0,.45),transparent)}
.round{position:absolute;right:16px;top:calc(var(--st) + 10px);width:40px;height:40px;border-radius:50%;background:rgba(0,0,0,.45);display:flex;align-items:center;justify-content:center}
.round svg{width:20px;height:20px}
.round.on{background:#ffd60a;color:#000}
.seg{display:flex;border-radius:999px;padding:3px;background:rgba(255,255,255,.12);backdrop-filter:blur(20px)}
.seg button{padding:7px 16px;border-radius:999px;font-size:14px;font-weight:700;color:rgba(255,255,255,.8)}
.seg button.on{background:#fff;color:#000}
.hint{position:absolute;left:50%;top:calc(var(--st) + 70px);transform:translateX(-50%);background:rgba(0,0,0,.55);backdrop-filter:blur(16px);padding:9px 16px;border-radius:999px;font-size:14px;font-weight:600;white-space:nowrap;transition:background .2s}
.hint.ok{background:rgba(48,209,88,.9);color:#000}
.cbottom{position:absolute;left:0;right:0;bottom:0;padding:18px 26px calc(var(--sb) + 22px);display:flex;align-items:center;justify-content:space-between;background:linear-gradient(transparent,rgba(0,0,0,.55))}
.shutter{width:80px;height:80px;position:relative;display:flex;align-items:center;justify-content:center}
.shutter svg{position:absolute;inset:0;width:80px;height:80px;transform:rotate(-90deg)}
.shutter .ring{fill:none;stroke:#fff;stroke-width:5}
.shutter .prog{fill:none;stroke:#30d158;stroke-width:6;stroke-dasharray:289;stroke-dashoffset:289;stroke-linecap:round;transition:stroke-dashoffset .1s linear}
.shutter i{width:62px;height:62px;border-radius:50%;background:#fff;transition:transform .12s}
.shutter:active i{transform:scale(.88)}
.stack{width:56px;height:56px;border-radius:10px;overflow:hidden;position:relative;background:rgba(255,255,255,.12);border:2px solid rgba(255,255,255,.85)}
.stack img{width:100%;height:100%;object-fit:cover;display:block}
.stack span{position:absolute;right:-2px;top:-2px;background:var(--red);color:#fff;font-size:12px;font-weight:800;min-width:22px;height:22px;border-radius:11px;display:flex;align-items:center;justify-content:center;padding:0 6px}
.stack.empty{visibility:hidden}
.done{min-width:64px;height:44px;border-radius:22px;background:#fff;color:#000;font-weight:800;font-size:15px;padding:0 16px}
.done:disabled{opacity:.3}
.noCam{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:30px;text-align:center;background:#000}
.noCam h2{font-size:22px;font-weight:800}
.noCam p{color:#a1a1a6;margin:10px 0 22px;line-height:1.45}
.noCam .big{width:100%;max-width:320px}

/* review */
.rtop{display:flex;align-items:center;justify-content:space-between;padding:calc(var(--st) + 10px) 14px 10px;min-height:54px}
.rtop b{font-size:16px;font-weight:800}
.txt{font-size:16px;font-weight:600;padding:6px;min-width:70px;text-align:left}
.txt.strong{font-weight:800;text-align:right;color:#ffd60a}
.txt.red{color:var(--red);text-align:right}
#grid{flex:1;overflow:auto;padding:8px 16px 24px;display:grid;grid-template-columns:repeat(auto-fill,minmax(140px,1fr));gap:14px;align-content:start}
.pg{position:relative;border-radius:10px;overflow:hidden;background:var(--soft);aspect-ratio:1/1.414;display:flex;align-items:center;justify-content:center;box-shadow:0 2px 10px rgba(0,0,0,.1),0 0 0 1px rgba(0,0,0,.05)}
.pg img{max-width:100%;max-height:100%;display:block}
.pg span{position:absolute;left:8px;bottom:8px;background:rgba(29,29,31,.85);color:#fff;font-size:12px;font-weight:800;border-radius:999px;padding:3px 9px}
.pg.proc::after{content:"";position:absolute;inset:0;background:rgba(255,255,255,.6) url() center no-repeat}
.rbottom{padding:12px 16px calc(var(--sb) + 14px);border-top:1px solid var(--line)}
.big{display:block;width:100%;background:var(--ink);color:#fff;font-size:17px;font-weight:800;padding:16px;border-radius:14px}
.screen.dark .big,.noCam .big{background:#fff;color:#000}
.big.ghost{background:rgba(255,255,255,.14);color:#fff;margin-top:10px}

/* edit */
.stage{flex:1;position:relative;display:flex;align-items:center;justify-content:center;overflow:hidden;touch-action:none}
#editCanvas{max-width:100%;max-height:100%;display:block}
#editSvg{position:absolute;overflow:visible;touch-action:none}
#editSvg polygon{fill:rgba(227,6,19,.12);stroke:#ff453a;stroke-width:2.5;stroke-linejoin:round}
#editSvg circle.h{fill:#fff;stroke:#ff453a;stroke-width:3}
#editSvg circle.hit{fill:transparent}
.loupe{position:fixed;width:120px;height:120px;border-radius:50%;overflow:hidden;border:3px solid #fff;box-shadow:0 6px 20px rgba(0,0,0,.5);display:none;pointer-events:none;z-index:5}
.chips{display:flex;gap:10px;justify-content:center;padding:10px 12px 4px}
.chip{display:flex;flex-direction:column;align-items:center;gap:5px;font-size:11.5px;font-weight:700;color:#a1a1a6}
.chip canvas{width:56px;height:72px;border-radius:8px;object-fit:cover;box-shadow:0 0 0 1px rgba(255,255,255,.2)}
.chip.on{color:#fff}.chip.on canvas{box-shadow:0 0 0 2.5px #fff}
.etools{display:flex;justify-content:space-around;padding:10px 6px calc(var(--sb) + 12px)}
.etools button{display:flex;flex-direction:column;align-items:center;gap:4px;font-size:11px;font-weight:700;min-width:54px}
.etools svg{width:23px;height:23px}
.etools .red{color:#ff453a}

/* sheet */
#sheetBg{position:fixed;inset:0;background:rgba(0,0,0,.35);z-index:20;display:flex;align-items:flex-end}
#sheet{width:100%;background:#fff;color:var(--ink);border-radius:22px 22px 0 0;padding:10px 22px calc(var(--sb) + 22px);animation:up .25s ease}
@keyframes up{from{transform:translateY(100%)}to{transform:none}}
.grab{width:40px;height:5px;border-radius:3px;background:#d1d1d6;margin:0 auto 14px}
#sheet h3{font-size:22px;font-weight:800;margin-bottom:6px}
#sheet label{display:block;font-size:12px;font-weight:800;color:var(--mute);margin:14px 0 6px;text-transform:uppercase;letter-spacing:.04em}
#sheet input{width:100%;font:inherit;font-size:16px;border:1px solid #d2d2d7;border-radius:12px;padding:12px 14px;outline:none;-webkit-user-select:text;user-select:text}
#sheet .seg{background:var(--soft)}
#sheet .seg button{flex:1;color:var(--mute);padding:9px}
#sheet .seg button.on{background:#fff;color:var(--ink);box-shadow:0 1px 3px rgba(0,0,0,.12)}
#sheet .big{margin-top:18px}
.note{color:#a1a1a6;font-size:12.5px;text-align:center;margin-top:12px}

#busy{position:fixed;inset:0;background:rgba(0,0,0,.6);backdrop-filter:blur(6px);z-index:40;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;font-weight:700;color:#fff}
.spin{width:34px;height:34px;border-radius:50%;border:3.5px solid rgba(255,255,255,.3);border-top-color:#fff;animation:sp 1s linear infinite}
@keyframes sp{to{transform:rotate(360deg)}}
#toast{position:fixed;left:50%;top:calc(var(--st) + 120px);transform:translateX(-50%) translateY(-8px);background:#fff;color:#000;padding:11px 18px;border-radius:12px;font-weight:700;font-size:14px;opacity:0;pointer-events:none;transition:.25s;z-index:50;max-width:86vw;text-align:center;box-shadow:0 8px 30px rgba(0,0,0,.3)}
#toast.show{opacity:1;transform:translateX(-50%)}