.app-shell.is-lobby{flex-direction:column;min-height:100svh;display:flex}.is-lobby .site-header{flex:0 0 86px;height:86px}.is-lobby .header-note{display:none}.game-lobby{flex:1;grid-template-columns:1fr 1fr;align-content:center;align-items:center;gap:38px 64px;width:100%;max-width:960px;margin:0 auto;padding:40px 0 28px;display:grid}.lobby-welcome{text-align:center;flex-direction:column;align-items:center;display:flex}.lobby-art{isolation:isolate;width:290px;height:220px;margin-bottom:28px;position:relative}.lobby-grid{border:1px solid color-mix(in srgb, var(--primary) 15%, transparent);background-color:color-mix(in srgb, var(--accent) 68%, var(--background));background-image:linear-gradient(color-mix(in srgb, var(--primary) 9%, transparent) 1px, transparent 1px), linear-gradient(90deg, color-mix(in srgb, var(--primary) 9%, transparent) 1px, transparent 1px);background-size:36px 36px;border-radius:24px;position:absolute;inset:8px 0;transform:rotate(-6deg)}.lobby-river{background:color-mix(in srgb, var(--background) 82%, transparent);border-block:1px solid color-mix(in srgb, var(--primary) 14%, transparent);color:var(--muted-foreground);letter-spacing:6px;white-space:nowrap;justify-content:space-between;padding:7px 14px;font-family:STKaiti,KaiTi,Songti SC,serif;font-size:13px;display:flex;position:absolute;inset:104px 1px auto;transform:rotate(-6deg)}.lobby-piece{color:#333b32;background:radial-gradient(circle at 32% 22%,#fffdf2,#0000 46%),radial-gradient(circle at 35% 25%,#fff1cb,#edcc92);border:5px solid #e0bc7f;border-radius:50%;place-items:center;width:90px;height:90px;font:57px/1 Chuhan Pieces,Kaiti SC,STKaiti,KaiTi,serif;animation:6s ease-in-out infinite piece-float;display:grid;position:absolute;box-shadow:inset 0 0 0 1px #a77f46,inset 0 0 0 5px #f5dda9,inset 0 0 0 6px,0 6px #ab8146,0 14px 20px #39271820}.lobby-piece-back{--tilt:-12deg;--size:.8;animation-delay:-1.2s;top:8px;left:18px}.lobby-piece-black{--tilt:10deg;animation-delay:-3.4s;top:0;right:18px}.lobby-piece-red{color:#973c31;--tilt:-8deg;animation-delay:-2.2s;top:126px;left:98px}.lobby-piece{transform:rotate(var(--tilt,0deg)) scale(var(--size,1))}@keyframes piece-float{0%,to{transform:translateY(0) rotate(var(--tilt,0deg)) scale(var(--size,1))}50%{transform:translateY(-7px) rotate(calc(var(--tilt,0deg) + 2.5deg)) scale(var(--size,1))}}.lobby-eyebrow{color:var(--muted-foreground);letter-spacing:3px;justify-content:center;align-items:center;gap:12px;margin:0 0 12px;font-size:12px;display:flex}.lobby-eyebrow:before,.lobby-eyebrow:after{content:"";background:linear-gradient(90deg, transparent, var(--border));width:22px;height:1px}.lobby-eyebrow:after{transform:scaleX(-1)}.lobby-intro h1{letter-spacing:1px;margin:0;font-family:Songti SC,STSong,serif;font-size:clamp(26px,3vw,34px);line-height:1.5}.lobby-intro>p:last-child{color:var(--muted-foreground);margin:12px 0 0;font-size:14px}.lobby-choices{gap:16px;width:100%;display:grid}.lobby-mode{border:1px solid var(--border);text-align:left;width:100%;min-width:0;min-height:108px;transition:transform .35s var(--ease-out), box-shadow .35s var(--ease-out), background-color .25s, border-color .25s;border-radius:20px;align-items:center;gap:16px;padding:22px;text-decoration:none;display:flex;position:relative;overflow:hidden}.lobby-mode:not(:disabled):hover{transform:translateY(-3px)}.lobby-mode:not(:disabled):active{transform:translateY(0)scale(.99)}.lobby-mode>svg{transition:transform .35s var(--ease-spring)}.lobby-mode:not(:disabled):hover>svg{transform:translate(5px)}.lobby-mode-icon{transition:transform .4s var(--ease-spring)}.lobby-mode:not(:disabled):hover .lobby-mode-icon{transform:rotate(-8deg)scale(1.08)}.lobby-mode-friend{background:radial-gradient(180px 100px at 0 0, #fff2, transparent 70%), linear-gradient(160deg, color-mix(in srgb, var(--primary) 88%, #fff), var(--primary) 60%, color-mix(in srgb, var(--primary) 86%, #000));color:#fff9ed;border-color:color-mix(in srgb, var(--primary) 82%, #000);box-shadow:inset 0 1px 0 #fff3, 0 10px 26px -8px color-mix(in srgb, var(--primary) 55%, transparent)}.lobby-mode-friend:not(:disabled):hover{box-shadow:inset 0 1px 0 #ffffff3d, 0 16px 34px -8px color-mix(in srgb, var(--primary) 62%, transparent)}.lobby-mode-friend:after{content:"";transition:transform .8s var(--ease-out);pointer-events:none;background:linear-gradient(105deg,#0000 35%,#ffffff26 50%,#0000 65%);position:absolute;inset:0;transform:translate(-120%)}.lobby-mode-friend:not(:disabled):hover:after{transform:translate(120%)}.lobby-mode-ai{background:var(--card);color:var(--foreground);box-shadow:var(--shadow-sm), inset 0 1px 0 var(--hairline)}.lobby-mode-ai:hover{border-color:color-mix(in srgb, var(--primary) 55%, var(--border));background:var(--accent);box-shadow:var(--shadow-md)}.lobby-mode-icon{background:#ffffff1f;border-radius:14px;flex-shrink:0;place-items:center;width:44px;height:44px;display:grid;box-shadow:inset 0 1px #ffffff2e}.lobby-mode-ai .lobby-mode-icon{background:var(--accent);color:var(--emphasis)}.lobby-mode-copy{flex:1;gap:7px;min-width:0;display:grid}.lobby-mode-copy strong{letter-spacing:1px;font-size:19px;font-weight:600}.lobby-mode-copy>span{opacity:.82;font-size:12px;line-height:1.5}.lobby-mode>svg{flex-shrink:0}.lobby-explore{min-height:40px;color:var(--muted-foreground);background:0 0;border:0;border-radius:20px;justify-content:center;justify-self:center;align-items:center;gap:7px;padding-inline:14px;font-size:13px;display:flex}.lobby-explore:hover{color:var(--primary);background:color-mix(in srgb, var(--accent) 70%, transparent)}.lobby-art{animation:lobby-rise .9s var(--ease-out) both}.lobby-intro{animation:lobby-rise .8s var(--ease-out) .12s both}.lobby-choices>:first-child{animation:lobby-rise .8s var(--ease-out) .22s both}.lobby-choices>:nth-child(2){animation:lobby-rise .8s var(--ease-out) .32s both}.lobby-choices>:nth-child(3){animation:lobby-rise .8s var(--ease-out) .42s both}.lobby-footnote{animation:lobby-rise .8s var(--ease-out) .52s both}@keyframes lobby-rise{0%{opacity:0;transform:translateY(18px)}}.lobby-grid{animation:grid-settle 1.1s var(--ease-out) both}@keyframes grid-settle{0%{opacity:0;transform:rotate(-14deg)scale(.9)}}.lobby-footnote{text-align:center;color:var(--muted-foreground);letter-spacing:1px;grid-column:1/-1;margin:0;font-size:12px}.lobby-footnote>span{opacity:.6;margin:0 12px}@media (width<=660px){.app-shell.is-lobby{padding:env(safe-area-inset-top) 20px max(12px, env(safe-area-inset-bottom))}.is-lobby .site-header{flex-basis:62px;gap:10px;height:62px}.is-lobby .brand{letter-spacing:2px;gap:9px;font-size:21px}.is-lobby .brand small{display:none}.is-lobby .brand-seal{width:31px;height:35px;font-size:24px}.is-lobby .header-tools{gap:0}.is-lobby .text-button{gap:5px;min-height:40px;padding:8px 5px;font-size:12px}.game-lobby{flex-direction:column;justify-content:center;gap:26px;max-width:410px;padding:24px 0 4px;display:flex}.lobby-art{width:230px;height:174px;margin-bottom:22px}.lobby-grid{background-size:29px 29px;border-radius:18px}.lobby-river{letter-spacing:4px;padding:5px 10px;font-size:11px;inset-block-start:80px}.lobby-piece{border-width:4px;width:72px;height:72px;font-size:46px}.lobby-piece-back{top:6px;left:14px}.lobby-piece-black{top:0;right:14px}.lobby-piece-red{top:98px;left:70px}.lobby-eyebrow{margin-bottom:7px;font-size:10px}.lobby-intro h1{font-size:26px}.lobby-intro>p:last-child{margin-top:6px;font-size:13px}.lobby-choices{gap:12px}.lobby-mode{border-radius:15px;gap:12px;min-height:88px;padding:17px}.lobby-mode-copy strong{font-size:18px}.lobby-mode-copy{gap:5px}.lobby-footnote{letter-spacing:0;font-size:11px}}@media (width<=660px) and (height<=700px){.game-lobby{gap:14px;padding-top:14px}.lobby-art{width:195px;height:125px;margin-bottom:16px}.lobby-river{inset-block-start:58px}.lobby-piece{width:60px;height:60px;font-size:37px}.lobby-piece-back{top:2px;left:12px}.lobby-piece-black{top:0;right:12px}.lobby-piece-red{top:64px;left:62px}.lobby-eyebrow{display:none}.lobby-intro h1{font-size:24px}.lobby-mode{min-height:78px;padding:13px}.lobby-mode-icon{width:36px;height:36px}.lobby-explore{min-height:32px}}@media (width>=768px) and (height>=700px){.game-lobby{gap:38px 72px;max-width:1020px}.lobby-art{zoom:1.28;margin-bottom:34px}.lobby-intro h1{font-size:36px}.lobby-mode{min-height:124px;padding:26px}.lobby-mode-copy strong{font-size:22px}.lobby-mode-icon{width:50px;height:50px}.lobby-explore{font-size:15px}}@media (width>=1200px) and (height>=860px){.game-lobby{max-width:1180px}.lobby-art{zoom:1.5;margin-bottom:44px}.lobby-intro h1{font-size:42px}.lobby-mode{min-height:140px}.lobby-mode-copy strong{font-size:24px}}.recent-games{border-top:1px solid var(--border);grid-column:1/-1;width:100%;padding-top:18px}.recent-games summary{cursor:pointer;align-items:center;gap:8px;font-size:15px;font-weight:600;display:flex}.recent-games summary span{color:var(--muted-foreground);margin-left:auto;font-size:12px}.recent-games p{color:var(--muted-foreground);margin:12px 0;font-size:12px}.recent-games ul{max-height:360px;margin:0;padding:0;list-style:none;overflow-y:auto}.recent-games li+li{border-top:1px solid var(--border)}.recent-games a{color:var(--foreground);align-items:center;gap:12px;padding:12px 0;text-decoration:none;display:flex}.recent-games a>span:first-child{flex:1;gap:5px;min-width:0;display:grid}.recent-games strong{overflow-wrap:anywhere;font-size:14px}.recent-games small{color:var(--muted-foreground);font-size:12px}.archive-result{color:var(--emphasis);font-size:14px;font-weight:600}