/* Layout: one iPhone-width column — large title, photo card, inset grouped lists; spec picker and adjustments live in a bottom sheet / disclosure groups. */
[hidden]{display:none!important}
:root{
  --bg:#E9EEF1; --card:#FBFCFD; --fill:#DDE4EA; --ink:#14213D; --ink2:#34405A; --muted:#66728A; --sep:#C9D2DB;
  --tint:#14213D; --tint-ink:#FFFFFF; --tint-soft:#DCE3F0; --link:#2F4FA8;
  --green:#2E9E5B; --green-ink:#1F7443; --orange:#D98A12; --orange-ink:#9A5C00; --red:#E5304A; --red-ink:#B81D35;
  --guide:#E5304A; --bar:rgba(233,238,241,.86); --scrim:rgba(20,33,61,.38);
  --f:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,sans-serif;
  --f-num:ui-monospace,"SF Mono",Menlo,Consolas,monospace; color-scheme:light;
}
@media (prefers-color-scheme: dark){:root:not([data-theme="light"]){
  --bg:#0D1524; --card:#162138; --fill:#22304D; --ink:#EEF2F8; --ink2:#C9D2E3; --muted:#8C98B0; --sep:#2B3A58;
  --tint:#EEF2F8; --tint-ink:#14213D; --tint-soft:#22304D; --link:#9DB4FF;
  --green:#45C27A; --green-ink:#5FD891; --orange:#F0A43A; --orange-ink:#F5B65E; --red:#FF5A6E; --red-ink:#FF8090;
  --guide:#FF5A6E; --bar:rgba(13,21,36,.84); --scrim:rgba(0,0,0,.55); color-scheme:dark}}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
body{background:var(--bg);color:var(--ink);font-family:var(--f);font-size:17px;line-height:1.35;
  padding-left:max(16px,env(safe-area-inset-left,0px));padding-right:max(16px,env(safe-area-inset-right,0px));padding-block:0 calc(110px + env(safe-area-inset-bottom,0px))}
body::before{content:"";position:fixed;inset:0 0 auto;height:env(safe-area-inset-top,0px);z-index:10;background:var(--bar)}
.app{max-width:440px;margin:0 auto;display:flex;flex-direction:column;gap:22px}
button{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--tint);outline-offset:2px}

/* nav */
.nav{position:sticky;top:env(safe-area-inset-top,0px);z-index:5;margin-inline:-16px;padding:10px 16px 8px;background:var(--bar);backdrop-filter:saturate(180%) blur(20px);-webkit-backdrop-filter:saturate(180%) blur(20px);display:flex;align-items:center;justify-content:space-between;min-height:44px}
.nav .small{font-weight:600;font-size:17px;opacity:0;transition:opacity .2s}
.nav.scrolled .small{opacity:1}
.nav.scrolled{box-shadow:0 .5px 0 var(--sep)}
.navbtn{all:unset;cursor:pointer;color:var(--tint);font-size:17px;padding:4px 0}
.navbtn[disabled]{opacity:.35;cursor:default}
h1{font-size:34px;font-weight:700;letter-spacing:.01em;margin:-4px 0 0;line-height:1.15}
.sub{font-size:15px;color:var(--muted);margin:4px 0 0}

/* grouped list */
.group{display:flex;flex-direction:column;gap:6px}
.ghead{font-size:13px;color:var(--muted);text-transform:uppercase;letter-spacing:.02em;padding:0 16px}
.gfoot{font-size:13px;color:var(--muted);padding:0 16px;line-height:1.45}
.gfoot a{color:var(--tint);text-decoration:none}
.list{background:var(--card);border-radius:12px;overflow:hidden}
.cell{all:unset;box-sizing:border-box;display:flex;align-items:center;gap:12px;min-height:44px;padding:11px 16px;width:100%;position:relative;cursor:default}
button.cell{cursor:pointer}
button.cell:active{background:var(--fill)}
.cell + .cell::before,.cell + .slider::before,.slider + .cell::before,.slider + .slider::before{content:"";position:absolute;top:0;left:16px;right:0;height:.5px;background:var(--sep)}
.cell .t{flex:1;min-width:0}
.cell .v{color:var(--muted);font-variant-numeric:tabular-nums;text-align:right;white-space:nowrap}
.chev{width:8px;height:13px;flex:none;color:#C4C4C7}
.chev path{stroke:currentColor}

/* photo */
.stage{display:flex;flex-direction:column;align-items:center;gap:14px}
.photo{position:relative;width:min(100%,280px);line-height:0;border-radius:4px;overflow:visible;box-shadow:0 1px 3px rgba(0,0,0,.08),0 12px 30px rgba(0,0,0,.14);background:#fff}
.photo canvas{width:100%;height:auto;display:block;border-radius:4px}
.photo canvas.ov{position:absolute;inset:0;height:100%}
.badge{position:absolute;left:50%;top:-12px;transform:translateX(-50%);font-size:12px;line-height:1;font-weight:600;background:var(--card);color:var(--ink2);padding:6px 10px;border-radius:999px;box-shadow:0 1px 4px rgba(0,0,0,.12);white-space:nowrap;font-variant-numeric:tabular-nums}
.busy{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;background:rgba(255,255,255,.78);backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px);color:#14213D;font-size:15px;line-height:1.4;text-align:center;padding:16px;border-radius:4px}
.spin{width:28px;height:28px;border-radius:50%;border:3px solid rgba(0,0,0,.12);border-top-color:#14213D}
@media (prefers-reduced-motion:no-preference){.spin{animation:sp 0.8s linear infinite}@keyframes sp{to{transform:rotate(360deg)}}}

.actions{display:grid;grid-template-columns:1fr 1fr;gap:10px;width:100%}
.btn{all:unset;box-sizing:border-box;cursor:pointer;display:flex;align-items:center;justify-content:center;gap:8px;height:50px;border-radius:12px;font-size:17px;font-weight:600;background:var(--card);color:var(--tint);text-align:center}
.btn.fill{background:var(--tint);color:var(--tint-ink)}
.btn:active{opacity:.7}
.btn[disabled]{opacity:.35;cursor:default}
.btn svg{width:20px;height:20px}

/* swatches */
.swrow{display:flex;gap:14px;flex-wrap:wrap;padding:14px 16px}
.chip{all:unset;cursor:pointer;width:36px;height:36px;border-radius:50%;box-shadow:inset 0 0 0 .5px rgba(0,0,0,.18);position:relative}
.chip[aria-pressed="true"]::after{content:"";position:absolute;inset:-5px;border-radius:50%;box-shadow:0 0 0 2.5px var(--tint)}
.chip .ok{position:absolute;right:-2px;bottom:-2px;width:14px;height:14px;border-radius:50%;background:var(--green);border:2px solid var(--card)}

/* switch */
.switch{appearance:none;-webkit-appearance:none;width:51px;height:31px;border-radius:999px;background:var(--fill);position:relative;cursor:pointer;flex:none;margin:0;transition:background .2s}
.switch::after{content:"";position:absolute;top:2px;left:2px;width:27px;height:27px;border-radius:50%;background:#fff;box-shadow:0 2px 6px rgba(0,0,0,.2);transition:transform .2s}
.switch:checked{background:var(--green)}
.switch:checked::after{transform:translateX(20px)}

/* disclosure groups */
details.list > summary{list-style:none}
details.list > summary::-webkit-details-marker{display:none}
details.list > summary .chev{transition:transform .2s}
details.list[open] > summary .chev{transform:rotate(90deg)}
details.list > summary{cursor:pointer}
.slider{padding:10px 16px 12px;position:relative;display:flex;flex-direction:column;gap:6px}
.slider .top{display:flex;justify-content:space-between;gap:10px;font-size:15px}
.slider .top .v{color:var(--muted);font-variant-numeric:tabular-nums;font-family:var(--f-num);font-size:14px}
input[type=range]{-webkit-appearance:none;appearance:none;width:100%;height:28px;background:transparent;margin:0}
input[type=range]::-webkit-slider-runnable-track{height:4px;border-radius:2px;background:linear-gradient(var(--tint),var(--tint)) 0/var(--p,50%) 100% no-repeat,var(--fill)}
input[type=range]::-moz-range-track{height:4px;border-radius:2px;background:var(--fill)}
input[type=range]::-moz-range-progress{height:4px;border-radius:2px;background:var(--tint)}
input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;width:28px;height:28px;border-radius:50%;background:#fff;box-shadow:0 .5px 4px rgba(0,0,0,.25),0 3px 8px rgba(0,0,0,.12);margin-top:-12px}
input[type=range]::-moz-range-thumb{width:28px;height:28px;border:0;border-radius:50%;background:#fff;box-shadow:0 .5px 4px rgba(0,0,0,.25),0 3px 8px rgba(0,0,0,.12)}

.pill{font-size:13px;font-weight:600;border-radius:999px;padding:3px 10px;white-space:nowrap}
.pill.ok{background:color-mix(in srgb,var(--green) 16%,transparent);color:var(--green-ink)}
.pill.warn{background:color-mix(in srgb,var(--orange) 18%,transparent);color:var(--orange-ink)}
.pill.bad{background:color-mix(in srgb,var(--red) 15%,transparent);color:var(--red-ink)}
.pill.todo{background:var(--fill);color:var(--muted)}
.dot{width:10px;height:10px;border-radius:50%;flex:none}
.dot.ok{background:var(--green)}.dot.warn{background:var(--orange)}.dot.bad{background:var(--red)}.dot.todo{background:var(--sep)}
.chk .t .s{display:block;font-size:13px;color:var(--muted);margin-top:2px;font-variant-numeric:tabular-nums}
.chk{align-items:flex-start}
.chk .dot{margin-top:6px}
.note{padding:12px 16px;font-size:15px;color:var(--ink2);line-height:1.45}
.note b{color:var(--ink)}
.note.strict b{color:var(--red-ink)} .note.caution b{color:var(--orange-ink)} .note.ok b{color:var(--green-ink)}
.sheetprev{padding:12px 16px 16px;line-height:0}
.sheetprev canvas{width:100%;height:auto;border-radius:6px;box-shadow:inset 0 0 0 .5px var(--sep);background:#fff}

/* bottom bar */
.tabbar{position:fixed;left:0;right:0;bottom:0;z-index:6;background:var(--bar);backdrop-filter:saturate(180%) blur(20px);-webkit-backdrop-filter:saturate(180%) blur(20px);box-shadow:0 -.5px 0 var(--sep);
  padding:10px max(16px,env(safe-area-inset-right,0px)) calc(10px + env(safe-area-inset-bottom,0px)) max(16px,env(safe-area-inset-left,0px))}
.tabbar .in{max-width:440px;margin:0 auto;display:flex;gap:10px}
.tabbar .btn{flex:1}
.tabbar .btn.more{flex:0 0 50px;background:var(--card)}

/* sheet */
.scrim{position:fixed;inset:0;background:var(--scrim);z-index:30}
.sheet{position:fixed;left:0;right:0;bottom:0;z-index:31;max-height:86%;display:flex;flex-direction:column;background:var(--bg);border-radius:14px 14px 0 0;
  padding:8px max(16px,env(safe-area-inset-right,0px)) calc(16px + env(safe-area-inset-bottom,0px)) max(16px,env(safe-area-inset-left,0px));box-shadow:0 -10px 40px rgba(0,0,0,.2)}
@media (min-width:700px){.sheet{left:50%;right:auto;width:440px;transform:translateX(-50%)}}
@media (prefers-reduced-motion:no-preference){.sheet:not([hidden]){animation:up .28s cubic-bezier(.2,.8,.2,1)}@keyframes up{from{transform:translate(var(--sx,0),100%)}}}
@media (min-width:700px){.sheet{--sx:-50%}}
.grab{width:36px;height:5px;border-radius:3px;background:var(--sep);margin:0 auto 6px}
.sheet .bar{display:flex;align-items:center;justify-content:space-between;padding:6px 0 12px}
.sheet .bar h2{font-size:17px;font-weight:600;margin:0}
.sheet .scroll{overflow-y:auto;display:flex;flex-direction:column;gap:22px;padding-bottom:6px;margin-inline:-4px;padding-inline:4px}
.spec .t .d{display:block;font-size:13px;color:var(--muted);font-family:var(--f-num);margin-top:2px}
.check{color:var(--tint);width:18px;height:18px;flex:none}
.custom{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:8px;padding:12px 16px}
.custom label{font-size:12px;color:var(--muted);display:flex;flex-direction:column;gap:4px}
.custom input{width:100%;font:inherit;font-size:16px;padding:8px;border:0;border-radius:8px;background:var(--fill);color:var(--ink);font-variant-numeric:tabular-nums}

.toast{position:fixed;left:50%;top:40%;transform:translate(-50%,-50%);background:rgba(30,30,30,.86);color:#fff;padding:14px 20px;border-radius:14px;font-size:15px;z-index:40;max-width:min(300px,calc(100vw - 48px));text-align:center;line-height:1.4;backdrop-filter:blur(10px)}
footer{font-size:12px;color:var(--muted);line-height:1.55;padding:0 16px}

/* --- site additions --- */
body.locked{overflow:hidden}
.brandlink{color:var(--ink);font-weight:800;letter-spacing:-.01em;text-decoration:none;font-size:17px}
.navbtn.strong{font-weight:600}
.navbtn{color:var(--link)}
.titlebox .sub{display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.licpill{font-size:12px;font-weight:600;padding:3px 9px;border-radius:999px;background:var(--fill);color:var(--ink2)}
.licpill.on{background:color-mix(in srgb,var(--green) 18%,transparent);color:var(--green-ink)}
.swcell{padding:0;display:block}
.dim{opacity:.4}
.lnk,.gfoot a,footer a{color:var(--link);text-decoration:none}
.checkpad{width:18px;flex:none}
.c-ok{color:var(--green)} .c-warn{color:var(--orange)} .c-bad{color:var(--red)}
.barpad{width:44px}
.linkbtn{all:unset;cursor:pointer;color:var(--muted);font-size:14px;padding:4px 8px;border-radius:6px}
.linkbtn:focus-visible{outline:2px solid var(--link)}
.cell .dl{color:var(--link);flex:none}
.paybox{display:flex;flex-direction:column;gap:14px;padding-bottom:8px}
.payprice{margin:4px 0 0;font-size:15px;color:var(--ink2)}
.payprice span{font-size:40px;font-weight:800;letter-spacing:-.02em;color:var(--ink);font-variant-numeric:tabular-nums;margin-right:4px}
.paysub{margin:-6px 0 0;color:var(--ink2);font-size:15px;line-height:1.45}
.paybox .list .cell{font-size:15px}
.paystate{margin:0;min-height:1.4em;font-size:14px;color:var(--ink2);text-align:center}
.paybox .gfoot{padding:0}
.btn{color:var(--link)}
.btn.fill{color:var(--tint-ink)}
.chip[aria-pressed="true"]::after{box-shadow:0 0 0 2.5px var(--link)}