:root{--fg:#1d1d1f;--mut:#6e6e73;--line:rgba(0,0,0,.08);--card:rgba(255,255,255,.78);--acc:#b0742f}
*{box-sizing:border-box;margin:0;padding:0}
html,body{height:100%;overflow:hidden;background:#cfd1d4;color:var(--fg);font:14px/1.4 -apple-system,BlinkMacSystemFont,"PingFang SC","Helvetica Neue","Microsoft YaHei",sans-serif;-webkit-font-smoothing:antialiased}
#c{position:fixed;inset:0;width:100%;height:100%;display:block;touch-action:none;outline:none}
#loading{position:fixed;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;background:#cfd1d4;z-index:20;transition:opacity .6s}
#loading.done{opacity:0;pointer-events:none}
.ld-ring{width:38px;height:38px;border-radius:50%;border:3px solid rgba(0,0,0,.1);border-top-color:var(--fg);animation:sp 1s linear infinite}
@keyframes sp{to{transform:rotate(360deg)}}
#ld-pct{font-size:13px;color:var(--mut);letter-spacing:.08em;text-align:center;padding:0 24px}
.brand{position:fixed;left:max(20px,env(safe-area-inset-left));top:max(16px,env(safe-area-inset-top));z-index:5;pointer-events:none}
.brand h1{font-size:17px;font-weight:650;letter-spacing:.02em}
.brand p{font-size:12px;color:var(--mut);margin-top:2px}
body.dark .brand,body.dark .credit{color:#f5f5f7}
body.dark .brand p{color:rgba(255,255,255,.6)}
.hud{position:fixed;left:max(20px,env(safe-area-inset-left));top:calc(max(16px,env(safe-area-inset-top)) + 46px);z-index:5;background:var(--card);-webkit-backdrop-filter:blur(18px) saturate(1.6);backdrop-filter:blur(18px) saturate(1.6);border:1px solid var(--line);border-radius:14px;padding:10px 14px;min-width:220px}
.hud-row{display:flex;gap:18px}
.hud-cell span{display:block;font-size:11px;color:var(--mut)}
.hud-cell b{font-size:24px;font-weight:600;font-variant-numeric:tabular-nums;letter-spacing:-.01em}
.hud-cell em{display:block;font-style:normal;font-size:11px;color:var(--mut)}
.hud-rel{margin-top:6px;padding-top:6px;border-top:1px solid var(--line);font-size:12px;color:var(--fg)}
.credit{position:fixed;left:max(20px,env(safe-area-inset-left));bottom:max(12px,env(safe-area-inset-bottom));z-index:5;font-size:10px;color:var(--mut);text-decoration:none;opacity:.8}
.panel{position:fixed;right:max(16px,env(safe-area-inset-right));top:max(16px,env(safe-area-inset-top));bottom:16px;width:320px;z-index:6;overflow-y:auto;-webkit-overflow-scrolling:touch;background:var(--card);-webkit-backdrop-filter:blur(22px) saturate(1.6);backdrop-filter:blur(22px) saturate(1.6);border:1px solid var(--line);border-radius:18px;padding:14px 16px 18px;box-shadow:0 10px 40px rgba(0,0,0,.08)}
.grip{display:none}
.panel section{padding:10px 0;border-bottom:1px solid var(--line)}
.panel section:last-child{border-bottom:0}
.panel h2{font-size:12px;font-weight:600;color:var(--mut);margin-bottom:8px;display:flex;justify-content:space-between;align-items:baseline}
.val{color:var(--fg);font-weight:600;font-variant-numeric:tabular-nums;font-size:13px}
.seg{display:flex;background:rgba(0,0,0,.06);border-radius:10px;padding:2px}
.seg button{flex:1;border:0;background:transparent;padding:7px 0;border-radius:8px;font:inherit;font-size:13px;color:var(--fg);cursor:pointer}
.seg button.on{background:#fff;box-shadow:0 1px 3px rgba(0,0,0,.12);font-weight:600}
.row{display:flex;gap:8px;align-items:center}
.row.small{margin-top:8px}
.row.small label{flex:1;font-size:11px;color:var(--mut);display:flex;flex-direction:column;gap:3px}
select,input[type=number],input[type=date]{flex:1;min-width:0;font:inherit;font-size:13px;color:var(--fg);background:rgba(255,255,255,.9);border:1px solid var(--line);border-radius:9px;padding:7px 8px;-webkit-appearance:none;appearance:none}
input[type=date]{min-height:34px}
.ghost{border:1px solid var(--line);background:rgba(255,255,255,.9);border-radius:9px;padding:7px 11px;font:inherit;font-size:13px;color:var(--fg);cursor:pointer;white-space:nowrap}
.play{width:38px;padding:7px 0}
input[type=range]{flex:1;width:100%;-webkit-appearance:none;appearance:none;height:28px;background:transparent}
input[type=range]::-webkit-slider-runnable-track{height:4px;border-radius:2px;background:rgba(0,0,0,.14)}
input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;width:22px;height:22px;margin-top:-9px;border-radius:50%;background:#fff;box-shadow:0 1px 4px rgba(0,0,0,.3)}
input[type=range]::-moz-range-track{height:4px;border-radius:2px;background:rgba(0,0,0,.14)}
input[type=range]::-moz-range-thumb{width:22px;height:22px;border:0;border-radius:50%;background:#fff;box-shadow:0 1px 4px rgba(0,0,0,.3)}
#time::-webkit-slider-runnable-track{background:var(--tl,rgba(0,0,0,.14))}
.marks{display:flex;flex-wrap:wrap;gap:4px 10px;margin-top:6px;font-size:11px;color:var(--mut)}
.marks b{color:var(--fg);font-weight:600;font-variant-numeric:tabular-nums}
.marks button{border:0;background:none;font:inherit;color:inherit;cursor:pointer;padding:0}
.scale{display:flex;justify-content:space-between;font-size:10px;color:var(--mut);padding:0 4px}
.chips{display:flex;flex-wrap:wrap;gap:8px}
.chip{display:flex;flex-direction:column;align-items:center;gap:4px;border:0;background:none;cursor:pointer;font:inherit;font-size:11px;color:var(--mut)}
.chip i{width:30px;height:30px;border-radius:50%;border:1px solid rgba(0,0,0,.15);box-shadow:inset 0 -6px 10px rgba(0,0,0,.18)}
.chip.on{color:var(--fg);font-weight:600}
.chip.on i{outline:2px solid var(--fg);outline-offset:2px}
.tog{display:flex;gap:16px;font-size:13px}
.tog label{display:flex;align-items:center;gap:6px;cursor:pointer}
@media (max-width:760px){
  .hud{min-width:0;padding:8px 12px}
  .hud-cell b{font-size:20px}
  .panel{left:0;right:0;top:auto;bottom:0;width:auto;max-height:48vh;border-radius:18px 18px 0 0;padding:6px 16px calc(16px + env(safe-area-inset-bottom));transition:max-height .3s}
  .panel.min{max-height:92px;overflow:hidden}
  .grip{display:block;width:100%;border:0;background:none;padding:4px 0 8px;cursor:pointer}
  .grip i{display:block;width:38px;height:5px;border-radius:3px;background:rgba(0,0,0,.2);margin:0 auto}
  .credit{bottom:calc(48vh + 6px)}
  body.pmin .credit{bottom:98px}
}

#clean-btn{position:fixed;z-index:9;top:max(16px,env(safe-area-inset-top));right:calc(max(16px,env(safe-area-inset-right)) + 332px);display:flex;align-items:center;gap:5px;height:36px;padding:0 12px;border-radius:18px;border:1px solid var(--line);background:var(--card);-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);color:var(--fg);font:500 13px/1 -apple-system,BlinkMacSystemFont,"PingFang SC",sans-serif;cursor:pointer;-webkit-tap-highlight-color:transparent;transition:opacity .25s,right .25s}
.brand,.hud,.panel,.credit{transition:opacity .25s,transform .25s}
body.clean .brand,body.clean .hud,body.clean .credit{opacity:0;pointer-events:none;transform:translateX(-12px)}
body.clean .panel{opacity:0;pointer-events:none;transform:translateX(24px)}
body.clean #clean-btn{right:max(16px,env(safe-area-inset-right));opacity:.4}
body.clean #clean-btn:hover,body.clean #clean-btn:active{opacity:1}
@media (max-width:760px){
  #clean-btn{right:max(12px,env(safe-area-inset-right));top:max(12px,env(safe-area-inset-top));height:34px;padding:0 11px}
  body.clean .panel{transform:translateY(40px)}
}

/* ===== beta: cinema UI ===== */
:root{--pr:336px}
body.nopanel,body.clean{--pr:0px}
.hud{display:none!important}
.credit{display:none}
.pcredit{font-size:10px;color:var(--mut);padding-top:8px}
.brand h1{font-size:15px}
.brand h1 small{font-size:9px;font-weight:700;letter-spacing:.08em;color:#fff;background:#1e6edc;border-radius:4px;padding:1px 5px;vertical-align:2px}
.brand p{font-size:11px}
.panel{width:310px;transition:opacity .25s,transform .25s}
body.nopanel .panel{opacity:0;pointer-events:none;transform:translateX(24px)}
/* top-right icon buttons */
.tbtn{position:fixed;z-index:9;top:max(14px,env(safe-area-inset-top));width:38px;height:38px;border-radius:50%;border:1px solid var(--line);background:var(--card);-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);color:var(--fg);display:flex;align-items:center;justify-content:center;padding:0;cursor:pointer;-webkit-tap-highlight-color:transparent;transition:right .25s,opacity .25s}
#clean-btn{right:calc(max(14px,env(safe-area-inset-right)) + var(--pr));height:38px;width:38px;padding:0;justify-content:center;border-radius:50%}
#clean-btn #clean-tx{display:none}
#set-btn{right:calc(max(14px,env(safe-area-inset-right)) + var(--pr) + 46px)}
body.nopanel #set-btn{background:#1d1d1f;color:#fff}
body.clean #set-btn{opacity:0;pointer-events:none}
body.clean #clean-btn{opacity:.45}
/* frame */
#frame{position:fixed;z-index:3;pointer-events:none;box-shadow:0 0 0 9999px rgba(0,0,0,.28);outline:1px solid rgba(255,255,255,.5)}
#frame i{position:absolute;width:16px;height:16px;border:2px solid #fff}
#frame .tl{left:-2px;top:-2px;border-right:0;border-bottom:0}#frame .tr{right:-2px;top:-2px;border-left:0;border-bottom:0}
#frame .bl{left:-2px;bottom:-2px;border-right:0;border-top:0}#frame .br{right:-2px;bottom:-2px;border-left:0;border-top:0}
#frame .cross{position:absolute;left:50%;top:50%;width:12px;height:12px;margin:-6px 0 0 -6px;background:linear-gradient(#fff,#fff) center/100% 1px no-repeat,linear-gradient(#fff,#fff) center/1px 100% no-repeat;opacity:.6}
body.clean #frame{box-shadow:0 0 0 9999px rgba(0,0,0,.4)}
/* slim lens dock */
.lensbar{position:fixed;z-index:5;left:50%;transform:translateX(calc(-50% - var(--pr) / 2 - 30px));bottom:max(12px,env(safe-area-inset-bottom));width:min(440px,calc(100vw - var(--pr) - 110px));background:rgba(20,20,22,.72);-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);color:#fff;border-radius:12px;padding:6px 10px;transition:opacity .25s,transform .25s}
.lb-row{display:flex;align-items:center;gap:8px}
.lb-row b{font:650 15px/1 -apple-system,BlinkMacSystemFont,sans-serif;font-variant-numeric:tabular-nums;min-width:50px}
.lb-row input[type=range]{flex:1;min-width:0;margin:0;height:22px}
.lb-row .sm{font-size:10px;color:rgba(255,255,255,.55);min-width:44px;text-align:right;font-variant-numeric:tabular-nums}
.lb-row+.lb-row{margin-top:2px}
.fmt{font:600 10px/1 -apple-system,sans-serif;border:1px solid rgba(255,255,255,.25);background:transparent;color:#fff;border-radius:6px;padding:4px 6px}
.lb-presets{display:flex;gap:4px;margin:3px 0 2px}
.lb-presets button{flex:1;font:600 10px/1 -apple-system,sans-serif;border:0;background:rgba(255,255,255,.1);color:rgba(255,255,255,.85);border-radius:6px;padding:4px 0}
.lb-presets button.on{background:#fff;color:#111}
.lensbar input[type=range]{-webkit-appearance:none;appearance:none;background:transparent}
.lensbar input[type=range]::-webkit-slider-runnable-track{height:3px;border-radius:2px;background:rgba(255,255,255,.3)}
.lensbar input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;width:16px;height:16px;border-radius:50%;background:#fff;margin-top:-6.5px;box-shadow:0 1px 4px rgba(0,0,0,.4)}
#shoot{position:fixed;z-index:8;left:auto;right:auto;bottom:max(14px,env(safe-area-inset-bottom));left:50%;transform:translateX(calc(min(440px,100vw - var(--pr) - 110px) / 2 - 50% - var(--pr) / 2 + 2px));width:52px;height:52px;border-radius:50%;border:3px solid #fff;background:rgba(0,0,0,.3);box-shadow:0 3px 12px rgba(0,0,0,.25);cursor:pointer;padding:0;-webkit-tap-highlight-color:transparent;transition:transform .25s}
#shoot i{position:absolute;inset:4px;border-radius:50%;background:#e8352b;transition:transform .12s}
#shoot:active i{transform:scale(.84)}
body.clean .lensbar{opacity:0;pointer-events:none}
body.clean #shoot{transform:translateX(-50%);opacity:.8}
@media (max-height:520px) and (min-width:761px){.lb-presets{display:none}}
#flash{position:fixed;inset:0;z-index:30;background:#fff;opacity:0;pointer-events:none}
#flash.go{animation:fl .45s ease-out}
@keyframes fl{0%{opacity:.85}100%{opacity:0}}
#plot-modal{position:fixed;inset:0;z-index:40;background:rgba(10,10,12,.78);display:flex;align-items:center;justify-content:center;padding:max(12px,env(safe-area-inset-top)) 12px max(12px,env(safe-area-inset-bottom))}
#plot-modal[hidden]{display:none}
.pm-card{max-width:min(1200px,100%);max-height:100%;display:flex;flex-direction:column;gap:8px}
.pm-card img{max-width:100%;max-height:calc(100vh - 80px);object-fit:contain;border-radius:8px;background:#fff;-webkit-touch-callout:default}
.pm-bar{display:flex;align-items:center;gap:8px;color:rgba(255,255,255,.7);font-size:11px}
.pm-bar span{flex:1}
.pm-btn{font:600 12px/1 -apple-system,sans-serif;padding:8px 12px;border-radius:8px;background:#fff;color:#111;text-decoration:none;border:0}
.pm-btn.ghost{background:rgba(255,255,255,.15);color:#fff}
@media (max-width:760px){
  :root,body.nopanel{--pr:0px}
  #set-btn{display:none}
  #clean-btn{right:max(12px,env(safe-area-inset-right))}
  .lensbar{left:10px;right:74px;width:auto;transform:none;bottom:calc(48vh + 8px)}
  body.pmin .lensbar{bottom:100px}
  #shoot{left:auto;right:12px;transform:none;bottom:calc(48vh + 12px)}
  body.pmin #shoot{bottom:104px}
  body.clean #shoot{left:50%;right:auto;transform:translateX(-50%);bottom:max(18px,env(safe-area-inset-bottom))}
}