:root{--bg:#121214;--panel:#1a1a1d;--line:#2a2a2f;--txt:#e6e6e6;--mut:#8d8d95;--acc:#e8a33d;--acc2:#f0b858;--danger:#d9534f;
  --safe-t:env(safe-area-inset-top);--safe-b:env(safe-area-inset-bottom)}
*{box-sizing:border-box}
html,body{margin:0;height:100%;background:var(--bg);color:var(--txt);font:14px/1.35 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;-webkit-font-smoothing:antialiased;overscroll-behavior:none}
button,select,input{font:inherit;color:inherit}
[hidden]{display:none!important}
.login{position:fixed;inset:0;display:grid;place-items:center;background:radial-gradient(ellipse at top,#2a2118,#121214 60%)}
.login form{width:min(320px,86vw);display:flex;flex-direction:column;gap:10px}
.logo{font-size:30px;font-weight:700;letter-spacing:.5px;text-align:center;margin-bottom:14px}
.logo span{font-size:11px;color:var(--acc);margin-left:6px;vertical-align:super;font-weight:600;text-transform:uppercase}
.login input{background:#0d0d0f;border:1px solid var(--line);border-radius:10px;padding:12px 14px;font-size:16px}
.login button{background:var(--acc);color:#1b1306;border:0;border-radius:10px;padding:12px;font-weight:700;font-size:16px}
.err{color:var(--danger);min-height:1.2em;text-align:center;margin:0}
.app{display:grid;height:100dvh;grid-template-rows:auto 1fr auto;grid-template-columns:1fr}
@media (min-width:900px){.app{grid-template-rows:auto 1fr;grid-template-columns:1fr 360px}.panel{grid-row:2;grid-column:2;max-height:none!important;border-top:0!important;border-left:1px solid var(--line)}header{grid-column:1/3}}
header{display:flex;align-items:center;gap:8px;padding:calc(8px + var(--safe-t)) 10px 8px;background:var(--panel);border-bottom:1px solid var(--line)}
.title{flex:1;min-width:0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;color:var(--mut);font-size:13px}
.btn{background:#26262b;border:1px solid #34343a;border-radius:8px;padding:7px 12px;cursor:pointer;user-select:none;-webkit-user-select:none;white-space:nowrap}
.btn:hover{background:#2e2e34}.btn:disabled{opacity:.4;cursor:default}
.btn.primary{background:var(--acc);border-color:var(--acc);color:#1b1306;font-weight:650}
.btn.small{padding:6px 10px;font-size:12.5px}.btn.danger{color:#ff8a86}
.btn.on{outline:2px solid var(--acc)}
.stage{position:relative;overflow:hidden;background:#111113;touch-action:none;min-height:0}
#view{position:absolute;inset:0;width:100%;height:100%;display:block}
.thumb{position:absolute;inset:0;width:100%;height:100%;object-fit:contain;background:#111113}
.empty{position:absolute;inset:0;display:grid;place-content:center;text-align:center;color:var(--mut);gap:2px}
.empty b{color:var(--txt);font-size:17px}.empty p{margin:2px}.hint{font-size:12px}
.stage.drag{outline:2px dashed var(--acc);outline-offset:-8px}
.busy{position:absolute;left:50%;bottom:16px;transform:translateX(-50%);background:rgba(0,0,0,.72);padding:8px 14px;border-radius:20px;display:flex;gap:10px;align-items:center;font-size:13px}
.spin{width:14px;height:14px;border:2px solid #666;border-top-color:var(--acc);border-radius:50%;animation:s 0.8s linear infinite}@keyframes s{to{transform:rotate(360deg)}}
.zoom{position:absolute;right:10px;top:10px;background:rgba(0,0,0,.6);padding:3px 8px;border-radius:10px;font-size:12px}
.panel{background:var(--panel);overflow-y:auto;-webkit-overflow-scrolling:touch;border-top:1px solid var(--line);max-height:46dvh;padding-bottom:calc(10px + var(--safe-b))}
.histo{padding:10px 12px 4px}#histo{width:100%;height:60px;display:block;background:#0e0e10;border-radius:6px}
.meta{font-size:11.5px;color:var(--mut);margin-top:5px;display:flex;gap:10px;flex-wrap:wrap}
details{border-top:1px solid var(--line)}
summary{padding:11px 12px;cursor:pointer;font-weight:600;font-size:13px;letter-spacing:.2px;list-style:none;display:flex;justify-content:space-between}
summary::-webkit-details-marker{display:none}summary:after{content:"›";color:var(--mut);transition:transform .15s}details[open] summary:after{transform:rotate(90deg)}
.sec{padding:0 12px 10px}
.sl{display:grid;grid-template-columns:1fr auto;align-items:center;gap:2px 8px;margin:6px 0 9px}
.sl label{font-size:12.5px;color:#cfcfd4;cursor:default}
.sl .val{font-size:12px;font-variant-numeric:tabular-nums;color:var(--mut);min-width:44px;text-align:right}
.sl.mod .val{color:var(--acc2)}
.sl input[type=range]{grid-column:1/3;width:100%;margin:0}
input[type=range]{-webkit-appearance:none;appearance:none;height:22px;background:transparent}
input[type=range]::-webkit-slider-runnable-track{height:3px;border-radius:2px;background:var(--trk,#44444b)}
input[type=range]::-moz-range-track{height:3px;border-radius:2px;background:var(--trk,#44444b)}
input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;width:16px;height:16px;border-radius:50%;background:#ddd;margin-top:-6.5px;border:0;box-shadow:0 1px 3px #0008}
input[type=range]::-moz-range-thumb{width:16px;height:16px;border-radius:50%;background:#ddd;border:0}
.presets{display:flex;gap:8px;flex-wrap:wrap;margin:4px 0 8px}
.chip{padding:8px 12px;border-radius:18px;border:1px solid #3a3a40;background:#232327;cursor:pointer;font-size:13px}
.chip.on{background:var(--acc);border-color:var(--acc);color:#1b1306;font-weight:650}
.tabs{display:flex;gap:4px;margin:2px 0 8px}.tabs .chip{flex:1;text-align:center;padding:6px}
.rowbtns{display:flex;gap:8px;margin:2px 0 6px}
#curveCv{width:100%;aspect-ratio:1;max-height:220px;background:#0e0e10;border-radius:6px;display:block;margin:4px 0 8px}
.footer-actions{display:flex;flex-wrap:wrap;gap:8px;padding:10px 12px 0;border-top:1px solid var(--line)}
.ver{color:#5c5c63;font-size:11px;padding:8px 12px;margin:0}
dialog{background:var(--panel);color:var(--txt);border:1px solid var(--line);border-radius:14px;width:min(420px,92vw)}
dialog::backdrop{background:#000a}
dialog h3{margin:0 0 12px}dialog label{display:flex;flex-direction:column;gap:4px;margin-bottom:12px;font-size:13px}
dialog label.chk{flex-direction:row;align-items:center;gap:8px}
dialog select{background:#0e0e10;border:1px solid var(--line);border-radius:8px;padding:8px}
dialog .row{display:flex;justify-content:flex-end;gap:8px}
.toast{position:fixed;left:50%;bottom:calc(20px + var(--safe-b));transform:translateX(-50%);background:#2b2b31;border:1px solid #3c3c44;padding:10px 16px;border-radius:12px;z-index:9;max-width:90vw;font-size:13px}
.picker{cursor:crosshair}