:root{color-scheme:light;--ink:#51475a;--muted:#918697;--purple:#78638b;--paper:rgba(255,255,255,.88);--line:rgba(103,78,119,.13);--nav-height:72px;font-family:Inter,"PingFang SC","Microsoft YaHei",sans-serif}*{box-sizing:border-box}body{min-width:280px;min-height:100vh;min-height:100dvh;margin:0;color:var(--ink);background:radial-gradient(circle at 12% 4%,#e6d8ef,transparent 32%),linear-gradient(#faf8fc,#f2edf7)}button,input{font:inherit}button{cursor:pointer;-webkit-tap-highlight-color:transparent}.game-shell{width:min(100%,760px);margin:auto;padding:max(22px,env(safe-area-inset-top)) 16px calc(var(--nav-height) + 32px + env(safe-area-inset-bottom))}.game-header{display:flex;align-items:end;justify-content:space-between;gap:16px;margin-bottom:18px}.game-header p,.panel-heading p{margin:0 0 5px;color:#988aa1;font-size:10px;font-weight:700;letter-spacing:.15em}.game-header h1,.panel-heading h2{margin:0;font-family:"Songti SC","STSong",serif}.game-header h1{font-size:clamp(27px,8vw,36px)}.game-header a{color:var(--purple);font-size:12px;text-decoration:none}.hero-card{padding:24px;border:1px solid rgba(255,255,255,.85);border-radius:28px;background:linear-gradient(145deg,rgba(118,94,137,.94),rgba(84,65,100,.96));box-shadow:0 18px 45px rgba(66,48,78,.14);color:white}.hero-card span{font-size:11px;opacity:.75}.hero-card h2{margin:8px 0;font-family:"Songti SC","STSong",serif;font-size:22px}.hero-card p{margin:0;font-size:12px;line-height:1.7;opacity:.78}.lobby{display:grid;gap:14px;margin-top:20px}.lobby-card,.game-panel{position:relative;padding:18px;border:1px solid var(--line);border-radius:24px;background:var(--paper);box-shadow:0 10px 30px rgba(69,49,82,.06)}.lobby-icon{display:grid;width:44px;height:44px;place-items:center;border-radius:15px;background:#eee6f4;color:var(--purple);font-family:"Songti SC",serif;font-size:20px}.lobby-card h2{margin:13px 0 4px;font-size:17px}.lobby-card p{margin:0 0 16px;color:var(--muted);font-size:12px}.status{position:absolute;top:18px;right:18px;padding:5px 9px;border-radius:99px;background:#edf7f0;color:#518263;font-size:10px}.lobby-card--soon .status{background:#f0edf2;color:#94899a}.lobby-card button,.primary-button,.secondary-button,.guess-form button{padding:11px 15px;border:0;border-radius:13px;color:white;background:linear-gradient(145deg,#8a72a0,#654f76)}.lobby-card button:disabled{background:#c8becd}.panel-heading{display:flex;align-items:center;gap:14px;margin-bottom:15px}.panel-heading>button{padding:7px;border:0;color:var(--purple);background:transparent}.game-status{margin:10px 0;color:#74677b;font-size:12px;line-height:1.6}.gomoku-board{display:grid;width:min(100%,570px);margin:14px auto;aspect-ratio:1;grid-template-columns:repeat(15,1fr);overflow:hidden;border:2px solid #8d7155;background:#d9b278}.gomoku-board button{position:relative;min-width:0;padding:0;border:0;border-right:1px solid rgba(80,55,35,.42);border-bottom:1px solid rgba(80,55,35,.42);background:transparent}.gomoku-board button::after{position:absolute;inset:13%;border-radius:50%;content:""}.gomoku-board .stone--black::after{background:#29252a;box-shadow:inset -2px -2px 4px #000}.gomoku-board .stone--white::after{background:#faf8f3;box-shadow:inset -2px -2px 4px #b9b0a6}.secondary-button{width:100%}.mode-tabs{display:grid;grid-template-columns:1fr 1fr;gap:7px;margin-bottom:14px}.mode-tabs button,.drawing-tools button{padding:10px;border:1px solid var(--line);border-radius:12px;color:var(--ink);background:#faf7fc}.mode-tabs .is-active{color:white;background:var(--purple)}.answer-field{display:grid;gap:6px;margin-bottom:11px;color:var(--muted);font-size:11px}.answer-field input,.guess-form input{min-width:0;padding:11px 12px;border:1px solid var(--line);border-radius:12px;background:white}.drawing-wrap{overflow:hidden;border:1px solid var(--line);border-radius:16px;background:white;touch-action:none}.drawing-wrap canvas{display:block;width:100%;height:auto;aspect-ratio:10/7;touch-action:none}.drawing-tools{display:grid;grid-template-columns:auto auto 1fr;gap:8px;margin-top:10px}.drawing-tools .primary-button{color:white;background:linear-gradient(145deg,#8a72a0,#654f76)}.guess-result,.preset-drawing{margin-top:12px;padding:12px;border-radius:14px;background:#f4eef7}.guess-result div{display:flex;flex-wrap:wrap;gap:7px}.guess-result button{padding:7px 9px;border:1px solid var(--line);border-radius:9px;background:white}.preset-drawing{min-height:120px}.preset-drawing svg{display:block;width:100%;height:auto}.guess-form{display:grid;grid-template-columns:1fr auto;gap:8px;margin-top:12px}.game-nav{position:fixed;z-index:10;right:0;bottom:0;left:0;display:grid;grid-template-columns:repeat(4,1fr);min-height:var(--nav-height);padding:7px max(8px,calc((100vw - 760px)/2)) max(7px,env(safe-area-inset-bottom));border-top:1px solid var(--line);background:rgba(250,248,252,.94);backdrop-filter:blur(18px)}.game-nav a{display:flex;align-items:center;justify-content:center;gap:3px;color:#928598;font-size:10px;text-decoration:none;flex-direction:column}.game-nav span{font-size:18px}.game-nav .is-active{color:#6d577c;font-weight:700}[hidden]{display:none!important}@media(min-width:640px){.game-shell{padding-right:24px;padding-left:24px}.lobby{grid-template-columns:repeat(3,1fr)}.game-panel{padding:24px}}@media(max-width:359px){.game-shell{padding-right:10px;padding-left:10px}.drawing-tools{grid-template-columns:1fr 1fr}.drawing-tools .primary-button{grid-column:1/-1}}@media(prefers-reduced-motion:no-preference){button{transition:transform .15s ease}button:active{transform:scale(.97)}}