/* 熊館長．契約魔法卷軸 — game shell.
   The stage is laid out in design px (2x CSS px of the 1440×900 / 390×844 artboards) and scaled to fit. */
/* R9: client KV 1008 — daylight magic library; 源泉圓體 subset self-hosted as FOI Rounded (OFL, see fonts/) */
@font-face{font-family:"FOI Rounded";src:url(../fonts/foi-rounded-R-r10d.woff2) format("woff2");font-weight:400;font-display:swap}
@font-face{font-family:"FOI Rounded";src:url(../fonts/foi-rounded-M-r10d.woff2) format("woff2");font-weight:500;font-display:swap}
@font-face{font-family:"FOI Rounded";src:url(../fonts/foi-rounded-B-r10d.woff2) format("woff2");font-weight:700;font-display:swap}
@font-face{font-family:"FOI Rounded";src:url(../fonts/foi-rounded-H-r10d.woff2) format("woff2");font-weight:900;font-display:swap}
:root{
  --wall:#f6eac6; --brn:#5a2508; --pur:#5b1cc8; --veil:#2a1238; --txt:#4a2210;
  --round:"FOI Rounded","Noto Sans TC","PingFang TC",system-ui,sans-serif;
  --night:#120c2c; --night2:#1f1650; --gold:#e9bc5c; --gold-l:#ffe9a8; --gold-d:#a9701f; --plum:#3b1f5e; --ink:#3a2615; --cream:#fff6e2;
  --serif:"Noto Serif TC","Source Han Serif TC","Songti TC",serif;
  --sans:"Noto Sans TC","Source Han Sans TC","PingFang TC",system-ui,sans-serif;
  --pop:cubic-bezier(.34,1.56,.64,1); --out:cubic-bezier(.22,1,.36,1); --in:cubic-bezier(.55,0,.75,.2);
  color-scheme:light;
}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html,body{margin:0;height:100%;overflow:hidden;background:var(--wall);overscroll-behavior:none}
body{font-family:var(--round);color:var(--txt);touch-action:manipulation;-webkit-user-select:none;user-select:none}
#backdrop{position:fixed;inset:0;background:var(--wall)}   /* no blurred backdrop (Ted: 唔要blur左背景); the room layers fill the screen */
#viewport{position:fixed;inset:0;overflow:hidden}
/* R9b responsive: the stage overflows into the viewport (room layers + anchored chrome); #viewport clips at the screen */
#stage{position:absolute;left:50%;top:50%;transform-origin:0 0;overflow:hidden;contain:layout paint}
#safe{position:absolute;left:var(--ex, 0px);top:var(--ey, 0px)}
#plate{position:absolute;left:0;top:0;width:100%;height:100%;pointer-events:none}
#plate img{width:100%;height:100%;display:block}
.veil{position:absolute;inset:calc(-1 * var(--ey, 0px)) calc(-1 * var(--ex, 0px));background:#fff6e0;pointer-events:none;transition:opacity .6s var(--out)}
.cveil{position:absolute;inset:0;pointer-events:none;background:radial-gradient(36% 40% at 50% 55%,rgba(255,249,234,.95),rgba(255,249,234,0) 100%);transition:opacity .6s}
.screen{position:absolute;inset:0}
.layer{position:absolute;inset:0;pointer-events:none}
.el{position:absolute;pointer-events:none}
.el img{position:absolute;left:0;top:0;width:100%;height:100%;display:block;-webkit-user-drag:none}
.el svg{position:absolute;left:0;top:0;overflow:visible}
.el .bob{position:absolute;inset:0}
.el text{font-kerning:normal}
button.el{background:none;border:0;padding:0;margin:0;cursor:pointer;pointer-events:auto;font:inherit;color:inherit}
button.el:focus-visible{outline:6px solid var(--pur);outline-offset:8px;border-radius:999px}
button.el:active>.wrap{transform:scale(.95,.92)}
.wrap{position:absolute;inset:0;transition:transform .12s var(--out)}
.fx{position:absolute;pointer-events:none;will-change:transform,opacity}
/* gold shimmer sweeps that ride on top of a layer, masked by its own artwork */
.shine{position:absolute;inset:0;pointer-events:none;-webkit-mask-size:100% 100%;mask-size:100% 100%;
  background:linear-gradient(105deg,transparent 35%,rgba(255,250,225,.0) 40%,rgba(255,250,225,.85) 50%,rgba(255,250,225,0) 60%,transparent 65%) no-repeat;
  background-size:300% 100%;background-position:150% 0;mix-blend-mode:screen;animation:shine 4.6s var(--out) infinite}
@keyframes shine{0%,55%{background-position:150% 0}100%{background-position:-60% 0}}
/* idle loops (amplitudes in design px) */
@keyframes bob{0%,100%{transform:translateY(0) rotate(var(--r0,0deg))}50%{transform:translateY(var(--amp,-14px)) rotate(var(--r1,0deg))}}
.bob{animation:bob var(--dur,4s) ease-in-out infinite;animation-delay:var(--dl,0s)}
@keyframes breathe{0%,100%{filter:drop-shadow(0 0 0 rgba(255,214,107,0))}50%{filter:drop-shadow(0 0 18px rgba(255,214,107,.75))}}
.breathe{animation:breathe 2.6s ease-in-out infinite}
@keyframes twinkle{0%,100%{opacity:.15;transform:scale(.6) rotate(0)}50%{opacity:1;transform:scale(1) rotate(45deg)}}
.twinkle{position:absolute;width:40px;height:40px;margin:-20px 0 0 -20px;pointer-events:none;animation:twinkle var(--dur,3s) ease-in-out infinite;animation-delay:var(--dl,0s)}
.twinkle svg{width:100%;height:100%;display:block}
@keyframes spin{to{transform:rotate(360deg)}}
/* cards */
.card{position:absolute;perspective:2400px;pointer-events:auto;cursor:pointer;outline:none}
.card .flip{position:absolute;inset:0;transform-style:preserve-3d;transition:transform .5s var(--out)}
.card .side{position:absolute;inset:0;backface-visibility:hidden;-webkit-backface-visibility:hidden}
.card .front{transform:rotateY(180deg)}
.card.open .flip{transform:rotateY(180deg)}
.card .side .el{pointer-events:none}
.card .lift{position:absolute;inset:0;transition:transform .25s var(--out),filter .25s}
.card:not(.open):not(.locked):hover .lift,.card:not(.open):not(.locked):focus-visible .lift{transform:translateY(-14px) scale(1.035);filter:drop-shadow(0 22px 26px rgba(90,37,8,.35)) brightness(1.06)}
.card:focus-visible .lift{outline:6px solid var(--pur);outline-offset:6px;border-radius:24px}
.card.locked{cursor:default}
.card .final{opacity:0;transition:opacity .35s}
.card.done .final{opacity:1}
/* modal */
#modal{position:absolute;inset:0;display:none}
#modal.show{display:block}
#modal .mveil{position:absolute;inset:calc(-1 * var(--ey, 0px)) calc(-1 * var(--ex, 0px));background:var(--veil);opacity:0;transition:opacity .35s}
#modal.show .mveil{opacity:.55}
#top{position:absolute;inset:0;pointer-events:none}
#rulesL{position:absolute;inset:0;display:none}
#closeL{position:absolute;inset:0;display:none}
#closeL.show{display:block}
#closeL .rveil{position:absolute;inset:calc(-1 * var(--ey, 0px)) calc(-1 * var(--ex, 0px));background:var(--veil);opacity:.55}
#rulesL.show{display:block}
#rulesL .rveil{position:absolute;inset:calc(-1 * var(--ey, 0px)) calc(-1 * var(--ex, 0px));background:var(--veil);opacity:.55}
/* toast */
.toast{transition:transform .45s var(--pop),opacity .3s}
.toast.hide{opacity:0;transform:translateY(60px) scale(.9)}
/* rules */
#rules{position:fixed;inset:0;display:none;align-items:center;justify-content:center;padding:16px;z-index:20}
#rules.show{display:flex}
#rules .rveil{position:absolute;inset:0;background:rgba(18,12,44,.78);backdrop-filter:blur(4px)}
#rules .sheet{position:relative;width:min(720px,100%);max-height:min(86vh,900px);overflow:auto;border-radius:22px;
  background:linear-gradient(#fff8e8,#f3dfb6);color:var(--ink);padding:28px clamp(20px,4vw,40px) 30px;box-shadow:0 0 0 2px #c9a367 inset,0 0 0 8px #fff3d6 inset,0 30px 80px rgba(0,0,0,.6);
  animation:sheetIn .45s var(--pop)}
@keyframes sheetIn{from{transform:translateY(40px) scale(.94);opacity:0}}
#rules h2{font-family:var(--serif);font-weight:900;color:var(--plum);margin:0 0 4px;font-size:clamp(22px,3vw,28px);letter-spacing:.06em}
#rules h3{font-family:var(--serif);font-weight:700;color:#7a1f45;margin:22px 0 8px;font-size:18px;letter-spacing:.04em}
#rules p,#rules li{font-size:15px;line-height:1.75;margin:0}
#rules ol{margin:0;padding-left:1.4em}
#rules .meta{color:#6e5233;font-size:14px}
#rules .x{position:sticky;float:right;top:0;margin:-6px -8px 0 0;width:44px;height:44px;border-radius:50%;border:0;background:linear-gradient(#fff4cc,#d6993a);color:#3b2208;font-size:22px;font-weight:900;cursor:pointer;box-shadow:0 3px 0 #5e3a10}
/* loading */
#loading{position:fixed;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:18px;background:var(--wall);z-index:30;transition:opacity .5s}
#loading.done{opacity:0;pointer-events:none}
#loading .seal{width:96px;height:96px;animation:spin 2.4s linear infinite}
#loading p{font-family:var(--round);font-weight:900;color:var(--pur);letter-spacing:.12em;margin:0;font-size:18px}
#loading .bar{width:220px;height:10px;border-radius:10px;background:#fff8e6;box-shadow:0 0 0 2.5px var(--brn);overflow:hidden}
#loading .bar i{display:block;height:100%;width:0;background:linear-gradient(90deg,#8c45ee,#c584ff);transition:width .2s}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
@media (prefers-reduced-motion:reduce){
  .bob,.breathe,.twinkle,.shine{animation:none!important}
  .card .flip{transition-duration:.01s}
}
/* FB 暱稱 input (sits on the designed field; stage scaling applies) */
#nick{position:absolute;border:0;outline:0;background:transparent;color:#4A2210;font-family:var(--round);font-weight:500;padding:0;caret-color:#5B1CC8;pointer-events:auto;-webkit-user-select:text;user-select:text}
#nick::placeholder{color:#B39A72;opacity:1}
/* save sheet for in-app browsers */
#saveL{position:fixed;inset:0;display:none;align-items:center;justify-content:center;padding:16px;z-index:40}
#saveL.show{display:flex}
#saveL .sv{position:absolute;inset:0;background:rgba(42,18,56,.82)}
#saveL figure{position:relative;margin:0;display:flex;flex-direction:column;align-items:center;gap:12px;max-width:min(520px,100%)}
#saveL img{max-width:100%;max-height:72vh;border-radius:12px;box-shadow:0 20px 50px rgba(0,0,0,.6);-webkit-touch-callout:default;-webkit-user-select:auto;user-select:auto}
#saveL figcaption small{display:block;margin-top:6px;font-size:14px;font-weight:700;color:#f3dcae}
#saveL figcaption{color:#fff3c4;font-family:var(--round);font-weight:900;font-size:16px;text-align:center}
#saveL button{border:0;border-radius:999px;padding:10px 28px;background:linear-gradient(#c584ff,#5516c2);color:#fff3c4;font-family:var(--round);font-weight:900;font-size:16px;box-shadow:0 0 0 2.5px #5a2508,0 4px 0 2.5px #5a2508;cursor:pointer}