*{box-sizing:border-box}
html,body{margin:0;width:100%;height:100%;overflow:hidden}
html{touch-action:manipulation;-webkit-text-size-adjust:100%;text-size-adjust:100%}
body{font-family:"Microsoft YaHei","Noto Sans CJK SC",sans-serif;background:#102a32;color:#fff7e9}
[hidden]{display:none!important}
button{font:inherit;cursor:pointer;-webkit-tap-highlight-color:transparent}
button:focus{outline:none}
button:focus-visible{outline:4px solid #ffdf74;outline-offset:6px}
.lobby{height:100%;padding:5vh 6vw;display:flex;flex-direction:column;background:radial-gradient(ellipse at 90% 15%,#235b59 0,transparent 43%),radial-gradient(ellipse at 8% 98%,#214655 0,transparent 50%),#102a32;position:relative}
.lobby:after{content:"✦";position:absolute;right:10%;top:19%;font-size:8vh;color:#77b8a1;transform:rotate(12deg);opacity:.45;pointer-events:none}
.header{display:flex;justify-content:space-between;align-items:center}
.brand{font-size:3vh;font-weight:700;letter-spacing:.04em}
.brand-mark{display:inline-block;color:#ffcf70;margin-right:.4em;font-size:1.4em}
.header-note{font-size:2vh;color:#adcbc7}
.welcome{margin:4vh 0 3vh}
.eyebrow{font-size:1.6vh;letter-spacing:.2em;color:#b7d6c7;margin:0 0 1.5vh}
h1{font-size:6.4vh;letter-spacing:.02em;line-height:1.2;margin:0 0 1.5vh;font-weight:800}
.lead{margin:0;color:#b7cbc8;font-size:2.3vh}
.game-cards{display:flex;gap:2.7vw;flex:1;min-height:0;align-items:stretch;padding:1vh 0 2vh}
.game-card{position:relative;flex:1;min-width:0;border:0;border-radius:3vh;overflow:hidden;text-align:left;padding:0;background:#f7ba67;color:#17313a;transition:transform .18s,box-shadow .18s;box-shadow:0 1vh 3vh #0002;display:flex;flex-direction:column}
.game-card.selected,.game-card:focus-visible{transform:translateY(-.8vh);outline:4px solid #fff7d3;outline-offset:7px;box-shadow:0 2vh 4vh #0004}
.game-card:focus-visible{outline-color:#fff7d3}
.card-art{position:relative;flex:1;min-height:0;overflow:hidden}
.card-art svg{width:100%;height:100%;display:block}
.card-copy{padding:2.5vh 2.5vw 2.7vh;background:rgba(255,255,255,.18);display:flex;justify-content:space-between;align-items:center}
.card-copy h2{font-size:3.7vh;line-height:1.2;margin:0 0 .8vh;letter-spacing:.02em}
.card-copy p{font-size:1.9vh;margin:0;opacity:.78}
.card-arrow{font-size:3vh;border:1px solid #17313a50;border-radius:50%;width:5.2vh;height:5.2vh;display:flex;align-items:center;justify-content:center}
.card-tag{position:absolute;left:2.5vw;top:2.5vh;font-size:1.6vh;font-weight:700;letter-spacing:.12em;z-index:1;background:#fff9;padding:.8vh 1.2vw;border-radius:3vh}
.game-card.stars{background:#acb9ee}
.game-card.bird{background:#a9d8cc}
.lobby-footer{display:flex;align-items:center;justify-content:space-between;font-size:1.9vh;color:#b9cecb;padding-top:2vh}
kbd{display:inline-block;font-family:inherit;background:#ffffff12;border:1px solid #ffffff25;border-radius:.6vh;padding:.5vh 1vh;min-width:3vh;text-align:center;color:#fff7e9;margin-right:.6vh}
.footer-spark{color:#8faeaa;font-size:1.7vh}
.game-screen{position:fixed;inset:0;background:#102a32}
canvas{display:block;width:100%;height:100%;touch-action:none}
.game-top{position:absolute;top:4vh;left:4vw;right:4vw;display:flex;justify-content:space-between;align-items:center;pointer-events:none}
.game-top>*{pointer-events:auto}
.glass-button{border:1px solid #ffffff40;background:#102a32bb;color:#fff7e9;padding:1.2vh 1.5vw;border-radius:2vh;font-size:2.3vh}
.hud{display:flex;gap:2vw;align-items:center;background:#102a32df;border:1px solid #ffffff20;padding:1.4vh 2vw;border-radius:4vh;font-size:2.8vh;font-weight:700}
.hud #game-name{font-size:2.3vh;font-weight:400;color:#c6d7d1}
.hud #score{color:#ffe39a}
.game-hint{position:absolute;bottom:4vh;left:4vw;right:auto;text-align:center;font-size:2vh;color:#fff9e7;background:#102a32bb;max-width:fit-content;margin:0;padding:1vh 2vw;border-radius:3vh;pointer-events:none}
.overlay{position:absolute;inset:0;background:#0c263299;display:flex;align-items:center;justify-content:center;backdrop-filter:blur(8px)}
.overlay-card{width:54vw;max-width:760px;background:#fff7e9;color:#17313a;border-radius:4vh;padding:4vh 4vw;text-align:center;box-shadow:0 3vh 8vh #0004}
.overlay-icon{font-size:7vh;color:#de9141;display:block}
.overlay-card h2{font-size:4.8vh;margin:1vh 0 1.5vh}
.overlay-card p{font-size:2.6vh;line-height:1.6;margin:0 0 3vh;color:#527079;white-space:pre-line}
.overlay-actions{display:flex;gap:1.5vw;justify-content:center}
.overlay-actions button{background:#e8e4d9;color:#17313a;border:0;border-radius:2vh;padding:1.5vh 2.5vw;font-size:2.6vh;font-weight:700}
.overlay-actions button.primary{background:#176457;color:#fff7e9}
.overlay-actions button.selected{outline:4px solid #e0a641;outline-offset:5px}
#catalog-status{font-size:3vh;align-self:center}
.catalog-retry{font-size:2.8vh;padding:2vh 3vw;border-radius:2vh;border:none}
.error-message{font-size:2.5vh;align-self:center}
@media(max-aspect-ratio:1/1){.lobby{padding:4vh 7vw}
.header-note,.footer-spark{display:none}
.welcome{margin:3vh 0 2vh}
h1{font-size:4vh}
.eyebrow{font-size:1.3vh}
.brand{font-size:2.4vh}
.lead{font-size:1.8vh}
.game-cards{flex-direction:column;gap:2.5vh}
.card-copy{padding:1.5vh 5vw}
.card-copy h2{font-size:2.7vh}
.card-copy p{font-size:1.5vh}
.card-tag{left:5vw;top:1.5vh;font-size:1.3vh}
.card-arrow{width:4vh;height:4vh;font-size:2.3vh}
.lobby-footer{font-size:1.5vh}
.hud{gap:3vw;font-size:2vh}
.hud #game-name{display:none}
.glass-button{font-size:1.8vh;padding:1vh 3vw}
.overlay-card{width:86vw;padding:3vh 5vw}
.overlay-card h2{font-size:3.5vh}
.overlay-card p{font-size:2vh}
.overlay-actions button{font-size:2vh;padding:1.5vh 5vw}
.game-hint{font-size:1.5vh;white-space:nowrap}
}
@media(prefers-reduced-motion:reduce){*{transition:none!important}
}


@media(max-aspect-ratio:1/1){.game-hint{left:50%;right:auto;bottom:3vh;transform:translateX(-50%)}}