.board{--board-inset: 5.555%;position:relative;width:min(100%,520px);aspect-ratio:1;border:2px solid #242424;border-radius:18px;background:#d8d8d1;box-shadow:0 12px 28px #00000024;cursor:crosshair;touch-action:manipulation;-webkit-user-select:none;user-select:none}.board:after{content:"";position:absolute;top:0;right:0;bottom:0;left:0;border:7px solid rgb(255 255 255 / 18%);border-radius:inherit;pointer-events:none}.board__grid{position:absolute;inset:var(--board-inset);background-image:url(/board-grid.svg);background-size:100% 100%}.board__semantic-grid{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.stone,.board__cursor{--step: calc((100% - (2 * var(--board-inset))) / 14);position:absolute;z-index:2;left:calc(var(--board-inset) + var(--x) * var(--step));top:calc(var(--board-inset) + var(--y) * var(--step));width:clamp(14px,5.7%,30px);aspect-ratio:1;border-radius:50%;transform:translate(-50%,-50%)}.board__cursor{z-index:1;border:2px solid #242424;opacity:0}.board:focus-visible .board__cursor{opacity:1}.stone{animation:stone-arrive .15s cubic-bezier(.2,.8,.2,1);box-shadow:0 3px 6px #0000004d}.stone--black{border:2px solid #050505;background:#111;box-shadow:inset 0 0 0 2px #2f2f2f,0 3px 6px #00000052}.stone--white{border:2px solid #111111;background:#fff;box-shadow:inset 0 0 0 2px #eeeeea,0 3px 6px #00000042}.stone[data-last=true]:after{content:"";position:absolute;top:34%;right:34%;bottom:34%;left:34%;border:1px solid currentcolor;border-radius:50%;background:#8b1f1f}.stone[data-winning=true]{outline:3px solid #8b1f1f;outline-offset:2px}.board--pending{opacity:.72}@keyframes stone-arrive{0%{transform:translate(-50%,-50%) scale(.72);opacity:0}to{transform:translate(-50%,-50%) scale(1);opacity:1}}@media(prefers-reduced-motion:reduce){.stone{animation:none}}:root{color:#171717;background:#f2f2ef;font-family:Inter,PingFang SC,Noto Sans SC,ui-sans-serif,system-ui,-apple-system,sans-serif;font-synthesis:none;text-rendering:optimizeLegibility;--ink: #171717;--muted: #696966;--faint: #94948f;--paper: #ffffff;--canvas: #f2f2ef;--soft: #e8e8e4;--line: #d2d2cc;--danger: #982c2c;--ease-out: cubic-bezier(.2, .8, .2, 1)}*{box-sizing:border-box}html{min-width:320px;min-height:100%;background:var(--canvas)}body,#root{min-width:320px;min-height:100dvh;margin:0}body{overflow-x:hidden;background:var(--canvas)}button,input{color:inherit;font:inherit}button,a{-webkit-tap-highlight-color:transparent}button{min-height:44px}button:disabled{cursor:not-allowed;opacity:.45}a{color:inherit;text-decoration:none}:focus-visible{outline:3px solid #171717;outline-offset:3px}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.landing,.room-screen{position:relative;width:100%;max-width:680px;min-height:100dvh;margin:0 auto;padding:max(12px,env(safe-area-inset-top)) max(14px,env(safe-area-inset-right)) max(16px,env(safe-area-inset-bottom)) max(14px,env(safe-area-inset-left))}.landing{display:flex;flex-direction:column;gap:14px}.landing__header,.room-header{z-index:4;display:flex;align-items:center;justify-content:space-between;min-height:48px}.landing__identity,.room-header__actions{display:flex;align-items:center;gap:6px;min-width:0}.brand{display:inline-flex;align-items:center;min-height:44px;gap:9px;transition:transform .15s var(--ease-out),opacity .15s var(--ease-out)}.brand__mark{position:relative;display:grid;grid-template-columns:repeat(3,4px);place-content:center;width:36px;height:36px;gap:3px;border:1px solid var(--ink);border-radius:9px;background:var(--paper)}.brand__mark:before,.brand__mark:after{content:"";position:absolute;background:var(--line)}.brand__mark:before{top:50%;right:6px;left:6px;height:1px}.brand__mark:after{top:6px;bottom:6px;left:50%;width:1px}.brand__mark i{z-index:1;width:4px;height:4px;border:1px solid var(--paper);border-radius:50%;background:var(--ink)}.brand__mark i:nth-child(2){background:var(--paper);border-color:var(--ink)}.brand strong,.brand small{display:block}.brand strong{font-size:18px;letter-spacing:.12em}.brand small{margin-top:1px;color:var(--muted);font-size:8px;font-weight:800;letter-spacing:.18em}.brand--compact .brand__mark{width:32px;height:32px}.brand--compact strong{font-size:15px}.demo-pill{padding:5px 8px;border:1px solid var(--line);border-radius:999px;color:var(--muted);background:var(--paper);font-size:9px;white-space:nowrap}.profile-control{display:flex;align-items:center;justify-content:center;min-width:44px;max-width:150px;height:44px;padding:0 10px;gap:6px;overflow:hidden;border:1px solid var(--line);border-radius:12px;background:var(--paper);cursor:pointer;transition:transform .15s var(--ease-out),opacity .15s var(--ease-out)}.profile-control span{flex:0 0 auto;font-size:20px}.profile-control strong{overflow:hidden;font-size:11px;text-overflow:ellipsis;white-space:nowrap}.profile-control--loading{display:inline-block;background:var(--soft)}.hero{padding:16px 0 6px;text-align:center}.hero__eyebrow,.section-heading p,.profile-dialog__eyebrow{margin:0;color:var(--muted);font-size:9px;font-weight:800;letter-spacing:.2em}.hero h1{margin:4px 0 0;font-family:STKaiti,KaiTi,serif;font-size:clamp(52px,17vw,74px);font-weight:600;line-height:1;letter-spacing:.16em;text-indent:.16em}.hero__latin{margin:3px 0 0;color:var(--muted);font-size:9px;font-weight:800;letter-spacing:.44em;text-indent:.44em}.hero__copy{margin:10px 0 0;color:var(--muted);font-size:12px;letter-spacing:.08em}.open-rooms{padding:12px;border:1px solid var(--line);border-radius:16px;background:var(--paper)}.section-heading{display:flex;align-items:center;justify-content:space-between;min-height:44px}.section-heading h2{margin:2px 0 0;font-size:17px}.section-heading .text-button{min-width:64px}.rooms-state{display:flex;flex-direction:column;justify-content:center;min-height:74px;padding:12px;border:1px dashed var(--line);border-radius:12px;color:var(--muted);background:#fafaf8;font-size:11px;text-align:center}.rooms-state strong{color:var(--ink);font-size:12px}.rooms-state span{margin-top:4px}.rooms-state p{margin:0}.rooms-state--error{color:var(--danger);border-color:#d9b8b8}.room-list{display:grid;gap:7px;max-height:238px;padding:0;margin:4px 0 0;overflow-y:auto;list-style:none}.room-card{display:grid;grid-template-columns:40px minmax(0,1fr) auto;align-items:center;min-height:68px;gap:9px;padding:7px;border:1px solid var(--line);border-radius:12px;background:#fafaf8}.room-card__avatar,.participant-avatar{display:grid;place-items:center;border:1px solid var(--line);border-radius:10px;background:var(--paper)}.room-card__avatar{width:40px;height:40px;font-size:22px}.room-card__body{display:flex;min-width:0;flex-direction:column}.room-card__body strong{overflow:hidden;font-size:12px;text-overflow:ellipsis;white-space:nowrap}.room-card__body span,.room-card__body small{margin-top:2px;color:var(--muted);font-size:9px}.room-card__actions{display:grid;grid-template-columns:repeat(2,48px);gap:4px}.room-card__actions button,.join-row button,.reaction-menu button{border:1px solid var(--line);border-radius:10px;background:var(--paper);cursor:pointer;font-size:11px;font-weight:750;transition:transform .15s var(--ease-out),opacity .15s var(--ease-out)}.room-card__actions button:first-child{color:var(--paper);border-color:var(--ink);background:var(--ink)}.play-card{display:grid;grid-template-columns:1fr 1fr;gap:8px;width:100%}.primary-button,.secondary-button,.text-button,.icon-button,.matching-state button{border:0;cursor:pointer;transition:transform .15s var(--ease-out),opacity .15s var(--ease-out)}.primary-button{min-height:50px;padding:0 18px;border:1px solid var(--ink);border-radius:13px;color:var(--paper);background:var(--ink);font-weight:800}.primary-button--large{grid-column:1 / -1;display:grid;grid-template-columns:28px 1fr 18px;align-items:center;min-height:64px;text-align:left}.primary-button--large>span:first-child{font-size:20px}.primary-button--large>span:last-child{font-size:26px;font-weight:300}.primary-button strong,.primary-button small{display:block}.primary-button strong{font-size:15px;letter-spacing:.06em}.primary-button small{margin-top:2px;font-size:9px;font-weight:600;opacity:.7}.secondary-button{min-height:48px;padding:0 16px;border:1px solid var(--line);border-radius:13px;color:var(--ink);background:var(--paper);font-weight:750}.play-card>.secondary-button{grid-column:1 / -1}.join-row{grid-column:1 / -1;display:grid;grid-template-columns:minmax(0,1fr) 54px 54px;gap:6px}.join-row input,.profile-name input{width:100%;height:48px;padding:0 12px;border:1px solid var(--line);border-radius:11px;outline:0;color:var(--ink);background:var(--paper)}.join-row input{text-transform:uppercase;letter-spacing:.1em}.join-row input:focus,.profile-name input:focus{border-color:var(--ink)}.matching-state{grid-column:1 / -1;display:grid;grid-template-columns:38px 1fr 52px;align-items:center;min-height:70px;padding:10px 12px;border:1px solid var(--line);border-radius:14px;background:var(--paper)}.matching-state__orbit,.loader span{border:2px solid var(--line);border-top-color:var(--ink);border-radius:50%;animation:orbit .9s linear infinite}.matching-state__orbit{width:26px;height:26px}.matching-state strong,.matching-state small{display:block}.matching-state small{margin-top:3px;color:var(--muted);font-size:9px}.matching-state button{border-radius:10px;color:var(--muted);background:transparent}.landing__footer{display:flex;justify-content:space-between;width:100%;padding:2px 2px 0;color:var(--faint);font-size:9px}.status-pulse,.connection-dot{display:inline-block;width:6px;height:6px;margin-right:5px;border:1px solid var(--muted);border-radius:50%;background:transparent}.status-pulse,.connection-dot.is-online{background:var(--ink)}.error-message{grid-column:1 / -1;margin:2px 0 0;color:var(--danger);font-size:11px;text-align:center}.profile-overlay{position:fixed;z-index:50;top:0;right:0;bottom:0;left:0;display:grid;place-items:end center;padding:max(12px,env(safe-area-inset-top)) max(12px,env(safe-area-inset-right)) max(12px,env(safe-area-inset-bottom)) max(12px,env(safe-area-inset-left));background:#0000007a;animation:fade-in .15s var(--ease-out)}.profile-dialog{width:min(100%,430px);padding:20px;border:1px solid var(--ink);border-radius:20px;background:var(--paper);box-shadow:0 14px 44px #0000002e;animation:sheet-in .18s var(--ease-out)}.profile-dialog h2{margin:5px 0 7px;font-size:23px}.profile-dialog>form>p:not(.profile-dialog__eyebrow,.profile-dialog__error){margin:0;color:var(--muted);font-size:11px;line-height:1.55}.avatar-picker{padding:0;margin:18px 0 14px;border:0}.avatar-picker legend,.profile-name>span{margin-bottom:6px;color:var(--muted);font-size:10px;font-weight:750}.avatar-picker>div{display:grid;grid-template-columns:repeat(4,1fr);gap:7px}.avatar-picker label{position:relative;display:grid;place-items:center;min-height:50px;border:1px solid var(--line);border-radius:12px;background:#fafaf8}.avatar-picker input{position:absolute;top:0;right:0;bottom:0;left:0;width:100%;height:100%;margin:0;opacity:0;cursor:pointer}.avatar-picker label:has(input:checked){border-color:var(--ink);background:var(--soft)}.avatar-picker label:has(input:focus-visible){outline:3px solid var(--ink);outline-offset:2px}.avatar-picker span{font-size:24px}.profile-name{position:relative;display:block}.profile-name>span{display:block}.profile-name small{position:absolute;right:10px;bottom:16px;color:var(--faint);font-size:9px}.profile-name input{padding-right:48px}.profile-dialog__error{margin:8px 0 0;color:var(--danger);font-size:11px}.profile-dialog__actions{display:grid;grid-template-columns:1fr 1.25fr;gap:8px;margin-top:14px}.profile-dialog__actions .text-button{border:1px solid var(--line);border-radius:12px}.room-screen{display:flex;flex-direction:column;gap:10px;min-height:100dvh}.room-header{flex:0 0 auto}.room-header__actions .profile-control{width:44px;padding:0}.room-header__actions .profile-control strong{display:none}.room-code{text-align:center}.room-code small,.room-code strong{display:block}.room-code small{color:var(--muted);font-size:8px;letter-spacing:.2em}.room-code strong{margin-top:2px;font-size:13px;letter-spacing:.14em}.icon-button{display:grid;place-items:center;width:44px;min-width:44px;height:44px;padding:0;border:1px solid var(--line);border-radius:12px;background:var(--paper);font-size:18px}.hud{display:grid;gap:6px;padding:9px 12px;border:1px solid var(--line);border-radius:13px;background:var(--paper)}.hud>div{display:flex;align-items:center;justify-content:space-between;color:var(--muted);font-size:9px}.hud>div:first-child{justify-content:flex-start}.hud strong{font-size:14px}.reconnect-error{display:flex;align-items:center;justify-content:space-between;min-height:44px;padding:6px 10px;border:1px solid #d9b8b8;border-radius:11px;color:var(--danger);background:snow;font-size:11px}.game-stage{position:relative;display:flex;flex:1 1 auto;flex-direction:column;justify-content:center;width:100%;max-width:520px;min-height:0;margin:0 auto}.player-strip{display:flex;justify-content:space-between;min-height:48px;padding:0 2px 7px}.player-strip>div{display:flex;align-items:center;min-width:0;max-width:48%;gap:6px;padding:3px 6px;border:1px solid transparent;border-radius:11px}.player-strip>div.is-turn{border-color:var(--line);background:var(--paper)}.player-strip strong,.player-strip small{display:block;max-width:86px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.player-strip strong{font-size:11px}.player-strip small{margin-top:2px;color:var(--muted);font-size:8px}.participant-avatar{width:30px;min-width:30px;height:30px;font-size:17px}.mini-stone{width:18px;min-width:18px;height:18px;border-radius:50%}.mini-stone--black{border:2px solid #111111;background:#111}.mini-stone--white{border:2px solid #111111;background:#fff}.reaction-bubbles{position:absolute;z-index:5;right:8px;bottom:12px;display:flex;flex-direction:column;align-items:flex-end;gap:4px;pointer-events:none}.reaction-bubbles span{padding:6px 9px;border:1px solid var(--line);border-radius:12px 12px 3px;background:var(--paper);box-shadow:0 5px 14px #0000001f;animation:bubble-in .18s var(--ease-out);font-size:12px}.undo-row{display:flex;align-items:center;justify-content:center;min-height:44px;gap:8px}.undo-row--request{justify-content:flex-end}.undo-request-button{min-width:88px;border:1px solid var(--line);border-radius:10px;background:var(--paper)}.undo-status{display:grid;place-items:center;min-height:44px;padding:7px 12px;border:1px solid var(--line);border-radius:10px;color:var(--muted);background:var(--paper);font-size:11px;text-align:center;animation:fade-in .15s var(--ease-out)}.undo-status--accepted{color:var(--ink);border-color:var(--ink)}.undo-status--rejected,.undo-status--stale{border-style:dashed}.undo-card{display:grid;grid-template-columns:minmax(0,1fr) auto;align-items:center;min-height:66px;gap:10px;padding:9px 10px;border:1px solid var(--ink);border-radius:13px;background:var(--paper);box-shadow:0 8px 22px #0000001a;animation:sheet-in .18s var(--ease-out)}.undo-card strong,.undo-card small{display:block}.undo-card strong{font-size:11px}.undo-card small{margin-top:3px;color:var(--muted);font-size:9px;line-height:1.4}.undo-card__actions{display:grid;grid-template-columns:repeat(2,minmax(64px,1fr));gap:5px}.undo-card__actions .primary-button,.undo-card__actions .secondary-button{min-height:44px;padding:0 9px;border-radius:10px;font-size:10px}.room-actions{position:relative;display:grid;grid-template-columns:44px 1fr 52px;align-items:center;gap:8px}.text-button{min-height:44px;padding:0 8px;background:transparent;color:var(--muted);font-size:11px}.reaction-tray{position:relative}.reaction-menu{position:absolute;z-index:10;bottom:50px;left:0;display:grid;grid-template-columns:repeat(4,minmax(48px,1fr));gap:5px;width:min(330px,calc(100vw - 28px));padding:8px;border:1px solid var(--ink);border-radius:14px;background:var(--paper);box-shadow:0 14px 36px #0000002e}.reaction-menu button{min-width:48px;padding:6px 8px;background:#f3f3f0}.result-sheet{position:fixed;z-index:20;right:max(12px,env(safe-area-inset-right));bottom:max(12px,env(safe-area-inset-bottom));left:max(12px,env(safe-area-inset-left));max-width:480px;margin:0 auto;padding:22px;overflow:hidden;border:1px solid var(--ink);border-radius:20px;background:var(--paper);box-shadow:0 -12px 40px #0000002e;text-align:center;animation:sheet-in .22s var(--ease-out)}.victory-settlement{position:fixed;z-index:60;top:0;right:0;bottom:0;left:0;display:grid;place-items:center;overflow:hidden;padding:max(12px,env(safe-area-inset-top)) max(12px,env(safe-area-inset-right)) max(12px,env(safe-area-inset-bottom)) max(12px,env(safe-area-inset-left));background:radial-gradient(circle at 50% 48%,rgb(255 239 198 / 8%),transparent 42%),#0a0a0ae0;touch-action:manipulation;animation:victory-backdrop-in .18s var(--ease-out) both}.victory-settlement__canvas{position:absolute;top:0;right:0;bottom:0;left:0;display:block;width:100%;height:100%}.victory-settlement__skip{position:absolute;z-index:2;top:max(12px,env(safe-area-inset-top));right:max(12px,env(safe-area-inset-right));min-width:44px;min-height:44px;padding:8px 13px;border:1px solid rgb(255 255 255 / 48%);border-radius:999px;color:#fffdf7;background:#0e0e0eb8;box-shadow:0 8px 24px #00000038;font-size:11px;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}.victory-settlement__skip:focus-visible{outline-color:#fffdf7}.victory-fallback{position:relative;width:min(78vw,340px);aspect-ratio:1;border:1px solid rgb(255 255 255 / 42%);border-radius:18px;background:#1b1b1a;box-shadow:0 18px 60px #00000061,0 0 42px #ffe8b01f;animation:victory-fallback-board .62s var(--ease-out) both}.victory-fallback__grid{position:absolute;top:6.25%;right:6.25%;bottom:6.25%;left:6.25%;opacity:.6;background-image:linear-gradient(rgb(160 160 153 / 52%) 1px,transparent 1px),linear-gradient(90deg,rgb(160 160 153 / 52%) 1px,transparent 1px);background-size:calc(100% / 14) calc(100% / 14)}.victory-fallback i{--step: 6.25%;position:absolute;z-index:1;top:calc(6.25% + var(--y) * var(--step));left:calc(6.25% + var(--x) * var(--step));width:clamp(16px,7.5%,26px);aspect-ratio:1;border:1px solid #fffdf7;border-radius:50%;background:#fffdf7;box-shadow:0 0 0 4px #fff4d629,0 0 24px #ffe6a6d6;transform:translate(-50%,-50%);animation:victory-fallback-pulse .62s var(--ease-out) both}.result-sheet__glow{display:none}.result-sheet p{margin:0 0 8px;color:var(--muted);font-size:10px;letter-spacing:.12em}.result-sheet h2{margin:4px 0 8px;color:var(--ink);font-size:27px;letter-spacing:.1em}.result-sheet .primary-button{width:100%;margin-top:10px}.room-screen--loading{align-items:center;justify-content:flex-start}.room-screen--loading .brand{align-self:flex-start}.loader{display:grid;flex:1;place-items:center}.loader span{width:40px;height:40px}.empty-state{position:absolute;top:40%;width:calc(100% - 28px);padding:20px;border:1px solid var(--line);border-radius:16px;background:var(--paper);text-align:center}@keyframes orbit{to{transform:rotate(360deg)}}@keyframes fade-in{0%{opacity:0}to{opacity:1}}@keyframes bubble-in{0%{transform:translateY(8px);opacity:0}to{transform:translateY(0);opacity:1}}@keyframes sheet-in{0%{transform:translateY(22px);opacity:0}to{transform:translateY(0);opacity:1}}@keyframes victory-backdrop-in{0%{opacity:0}to{opacity:1}}@keyframes victory-fallback-board{0%{transform:translateY(12px) scale(.92);opacity:0}35%,72%{transform:translateY(0) scale(1);opacity:1}to{transform:translateY(-4px) scale(1.03);opacity:0}}@keyframes victory-fallback-pulse{0%{transform:translate(-50%,-50%) scale(.82);opacity:.2}42%,72%{transform:translate(-50%,-50%) scale(1.18);opacity:1}to{transform:translate(-50%,-50%) scale(1);opacity:0}}@media(hover:hover)and (pointer:fine){button:hover:not(:disabled),.brand:hover{transform:translateY(-1px)}}button:active:not(:disabled){transform:translateY(1px)}@media(min-width:760px){.landing{max-width:760px}.profile-overlay{place-items:center}}@media(max-width:370px){.demo-pill{display:none}.profile-control strong{max-width:62px}.room-card{grid-template-columns:36px minmax(0,1fr) auto;gap:6px}.room-card__avatar{width:36px;height:36px}.room-card__actions{grid-template-columns:repeat(2,44px)}.undo-card{grid-template-columns:1fr}}@media(max-height:760px){.room-screen{gap:7px}.hud{padding:7px 10px}.player-strip{min-height:40px}}@media(prefers-reduced-motion:reduce){.victory-settlement,.victory-fallback,.victory-fallback i{animation:none}*,*:before,*:after{scroll-behavior:auto!important;animation-duration:.001ms!important;animation-iteration-count:1!important;transition-duration:.001ms!important}}