:root{color:#4b3427;font-synthesis:none;text-rendering:optimizelegibility;background:#f8f1e5;font-family:Inter,Microsoft YaHei,PingFang SC,system-ui,sans-serif}*{box-sizing:border-box}body{background:radial-gradient(circle at 0 0,#b8c79c38,#0000 30rem),radial-gradient(circle at 100% 100%,#eda98733,#0000 28rem),#f8f1e5;min-width:320px;min-height:100vh;margin:0}button,input{font:inherit}button{cursor:pointer}button:disabled{cursor:not-allowed}.app-shell{width:min(100%,720px);margin:0 auto;padding:18px}.is-embedded{max-width:640px}.paper-card{background:#fffcf6e6;border:1px solid #7c5c432e;border-radius:22px;box-shadow:0 10px 30px #664a3917}.eyebrow{color:#7d8d58;letter-spacing:.16em;text-transform:uppercase;margin:0;font-size:11px;font-weight:800}h1,h2,h3,p{margin-top:0}h1,h2,h3{font-family:Georgia,Songti SC,serif}input{color:#4b3427;background:#ffffffb8;border:1px solid #775f4933;border-radius:14px;outline-color:#8e9f68;width:100%;padding:12px 14px}.hero{background:linear-gradient(145deg,#fffdf8,#edf1df);min-height:188px;padding:28px;position:relative;overflow:hidden}.hero h1{color:#59412d;margin:10px 0 8px;font-size:clamp(34px,10vw,52px)}.hero p:last-child{max-width:310px;line-height:1.7}.botanical{color:#91a26b;opacity:.45;font-family:Georgia,serif;font-size:84px;position:absolute;bottom:8px;right:24px;transform:rotate(-24deg)}.lobby-shell{align-content:center;gap:14px;min-height:100vh;display:grid}.name-field{color:#75604d;grid-template-columns:90px 1fr;align-items:center;gap:8px;padding:12px 16px;font-size:13px;display:grid}.name-field input{background:0 0;padding:8px 10px}.lobby-card{padding:22px}.lobby-card h2{margin:7px 0 8px}.lobby-card p:not(.eyebrow){color:#7c6958;font-size:13px;line-height:1.6}.create-card{background:linear-gradient(145deg,#eff4e1f2,#fffcf6f2)}.join-card{background:linear-gradient(145deg,#ffefe2f5,#fffcf6f2)}.join-card input{margin-bottom:10px}.primary-button{color:#fff;border:0;border-radius:14px;width:100%;padding:12px 16px;font-weight:800;box-shadow:0 5px 10px #58443524}.sage{background:#71834d}.apricot{background:#df7654}.room-header{justify-content:space-between;align-items:center;padding:16px;display:flex}.room-header h1{margin:5px 0 0;font-size:23px}.connection{color:#9b8b7f;align-items:center;gap:6px;font-size:11px;display:flex}.connection span,.online-dot{background:#c8c1b4;border-radius:999px;width:8px;height:8px}.connection.is-online span,.online-dot{background:#6e9a51;box-shadow:0 0 0 3px #6e9a511f}.member-grid{grid-template-columns:1fr 1fr;gap:10px;margin:12px 0;display:grid}.member-card{grid-template-columns:42px 1fr 8px;align-items:center;gap:9px;padding:12px;display:grid}.member-card.ai{background:#f0f5f7}.avatar{color:#bf795b;background:#ebd8b7;border-radius:50%;place-items:center;width:40px;height:40px;font-size:22px;display:grid}.ai .avatar{color:#6b92a3;background:#dce8ee}.member-card strong,.member-card small{display:block}.member-card small{color:#9a8876;margin-top:3px;font-size:10px}.notice{color:#a56345;background:#fff6e7;border:1px solid #e9c192;border-radius:12px;width:100%;margin-bottom:12px;padding:9px;font-size:12px}.coordination-panel{margin-bottom:12px;padding:14px}.coordination-panel h3{margin:5px 0 0}.toggle-row{color:#806b58;align-items:center;gap:7px;font-size:12px;font-weight:700;display:flex}.toggle-row input{accent-color:#71834d;width:auto}.sync-actions{flex-wrap:wrap;gap:7px;margin-top:12px;display:flex}.sync-diagnostics{grid-template-columns:1fr 1fr;gap:7px;margin:12px 0 0;display:grid}.sync-diagnostics div{background:#f7f3eb;border-radius:11px;padding:8px}.sync-diagnostics dt{color:#a08e7e;font-size:10px}.sync-diagnostics dd{color:#6f5b4c;margin:3px 0 0;font-size:11px;font-weight:700}.game-picker{padding:18px}.game-picker h2{margin:7px 0 14px}.game-choice-grid{gap:12px;display:grid}.game-choice{border:1px dashed #7a654d40;border-radius:18px;padding:16px}.gomoku-choice{background:#f1f5e8}.guess-choice{background:#fff0e7}.choice-mark{color:#8b6d53;letter-spacing:-8px;font-size:28px}.game-choice h3{margin:8px 0 5px}.game-choice p,.game-choice small{color:#7e6b5a;font-size:12px;line-height:1.6;display:block}.game-choice input{margin-bottom:8px}.game-choice small{margin-top:8px}.revision{color:#a28f7e;text-align:right;margin:12px 0 0;font-size:10px}.game-layout{gap:12px;display:grid}.game-stage,.guess-stage{padding:14px;overflow:hidden}.stage-title{justify-content:space-between;align-items:center;margin-bottom:10px;display:flex}.stage-title h2{margin:4px 0 0;font-size:20px}.turn-pill{color:#667647;background:#eef3e4;border-radius:999px;padding:7px 10px;font-size:12px}.gomoku-board{aspect-ratio:1;background-color:#d8af76;background-image:linear-gradient(#66482d6b 1px,#0000 1px),linear-gradient(90deg,#66482d6b 1px,#0000 1px);background-position:50%;background-size:6.66667% 6.66667%;border:8px solid #b88955;border-radius:7px;grid-template-rows:repeat(15,1fr);grid-template-columns:repeat(15,1fr);width:100%;max-width:540px;margin:auto;display:grid;box-shadow:inset 0 0 15px #6541263d,0 7px 16px #603e2826}.intersection{background:0 0;border:0;place-items:center;padding:0;display:grid;position:relative}.stone{border-radius:50%;width:78%;height:78%;box-shadow:inset -2px -3px 4px #00000040,1px 2px 3px #432b1c59}.black .stone{background:radial-gradient(circle at 30% 25%,#766556,#1e1b19 62%)}.white .stone{background:radial-gradient(circle at 30% 25%,#fff,#d9d3c7 72%)}.last:after{content:"";border:2px solid #e66654;border-radius:50%;width:28%;height:28%;position:absolute}.move-list{margin-top:12px;padding:14px}.move-list h3{margin-bottom:7px}.move-list p{color:#806f5f;margin:0;font-size:12px;line-height:1.8}.role-banner{text-align:center;grid-template-columns:1fr 74px 1fr;align-items:center;gap:8px;margin-bottom:14px;display:grid}.role-banner span,.role-banner strong{display:block}.role-banner span{color:#a28c7b;font-size:11px}.role-banner strong{margin-top:3px;font-size:13px}.tiny-tv{color:#715735;background:#f7e4b9;border:2px solid #bd9c66;border-radius:12px;padding:9px 4px;font-family:Georgia,serif;font-size:12px}.sealed-envelope{text-align:center;background:linear-gradient(145deg,#fff2dd,#f1d5ae);border:1px solid #e5c59c;border-radius:18px;align-content:center;place-items:center;min-height:140px;transition:transform .4s;display:grid;position:relative;box-shadow:inset 0 -18px 30px #b87e4d1a}.sealed-envelope.is-open{transform:translateY(-4px)rotate(-1deg)}.sealed-envelope p{color:#9e6e50;letter-spacing:.12em;margin-bottom:9px;font-size:12px}.sealed-envelope strong{color:#65452f;font-family:Georgia,Songti SC,serif;font-size:28px}.wax-seal{color:#f6d8b3;background:#cf684f;border-radius:50%;place-items:center;width:37px;height:37px;font-size:22px;display:grid;position:absolute;bottom:14px;right:18px;box-shadow:0 3px #a54739}.hash-card{background:#fffaf3;border:1px dashed #d9b997;border-radius:13px;margin-top:10px;padding:11px}.hash-card span{color:#9a7960;font-size:11px;display:block}.hash-card code{color:#7f6956;text-overflow:ellipsis;margin-top:6px;font-size:10px;display:block;overflow:hidden}.bubble-list{gap:7px;margin-top:16px;display:grid}.bubble-list h3{margin-bottom:2px}.chat-bubble{color:#5c493a;border-radius:18px;width:fit-content;max-width:86%;padding:10px 13px;font-size:13px;line-height:1.5}.chat-bubble small{color:#9b8978;margin-bottom:3px;font-size:10px;display:block}.hint-bubble{background:#edf2df;border-bottom-left-radius:5px}.guess-bubble{background:#f2e3f4;border-bottom-right-radius:5px;justify-self:end}.guess-bubble.correct{background:#dff0d5}.guess-bubble b{color:#d45d55}.guess-bubble.correct b{color:#6b974e}.inline-form{gap:7px;margin-top:12px;display:flex}.inline-form .primary-button{white-space:nowrap;width:auto}.reveal-button{color:#cf6c52;background:#fff6f0;border:1px solid #e3b29e;border-radius:14px;width:100%;margin-top:10px;padding:10px;font-weight:800}.verification{border-radius:12px;margin:12px 0 0;padding:10px;font-size:12px}.verification.passed{color:#66854e;background:#edf5e5}.verification.failed{color:#bf5c51;background:#fff0ec}.chat-panel{margin-top:12px;padding:14px}.panel-heading{justify-content:space-between;align-items:center;display:flex}.panel-heading h3{margin:0}.reminder-button,.soft-button{color:#806b58;background:#fffaf2;border:1px solid #d8c6b1;border-radius:11px;padding:8px 10px;font-size:12px}.room-messages{gap:5px;margin-top:10px;display:grid}.room-messages p{color:#756353;background:#f7f3eb;border-radius:11px;margin:0;padding:8px;font-size:12px}.room-messages b{color:#65794e;margin-right:8px}.empty-copy{font-size:12px;color:#aa9a8b!important}.send-button{color:#fff;background:#71834d;border:0;border-radius:14px;width:43px}.room-footer{flex-wrap:wrap;justify-content:center;gap:7px;padding:14px 0 2px;display:flex}.loading-card{color:#748251;text-align:center;padding-top:35vh}@media (width>=620px){.lobby-shell{grid-template-columns:1fr 1fr}.hero,.name-field{grid-column:1/-1}.game-choice-grid{grid-template-columns:1fr 1fr}}