@layer properties{@supports (((-webkit-hyphens:none)) and (not (margin-trim:inline))) or ((-moz-orient:inline) and (not (color:rgb(from red r g b)))){*,:before,:after,::backdrop{--tw-border-style:solid;--tw-shadow:0 0 #0000;--tw-shadow-color:initial;--tw-shadow-alpha:100%;--tw-inset-shadow:0 0 #0000;--tw-inset-shadow-color:initial;--tw-inset-shadow-alpha:100%;--tw-ring-color:initial;--tw-ring-shadow:0 0 #0000;--tw-inset-ring-color:initial;--tw-inset-ring-shadow:0 0 #0000;--tw-ring-inset:initial;--tw-ring-offset-width:0px;--tw-ring-offset-color:#fff;--tw-ring-offset-shadow:0 0 #0000;--tw-blur:initial;--tw-brightness:initial;--tw-contrast:initial;--tw-grayscale:initial;--tw-hue-rotate:initial;--tw-invert:initial;--tw-opacity:initial;--tw-saturate:initial;--tw-sepia:initial;--tw-drop-shadow:initial;--tw-drop-shadow-color:initial;--tw-drop-shadow-alpha:100%;--tw-drop-shadow-size:initial}}}@layer theme{:root,:host{--font-sans:ui-sans-serif, system-ui, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji";--font-mono:ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;--spacing:.25rem;--default-font-family:var(--font-sans);--default-mono-font-family:var(--font-mono)}}@layer base{*,:after,:before,::backdrop{box-sizing:border-box;border:0 solid;margin:0;padding:0}::file-selector-button{box-sizing:border-box;border:0 solid;margin:0;padding:0}html,:host{-webkit-text-size-adjust:100%;tab-size:4;line-height:1.5;font-family:var(--default-font-family,ui-sans-serif, system-ui, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji");font-feature-settings:var(--default-font-feature-settings,normal);font-variation-settings:var(--default-font-variation-settings,normal);-webkit-tap-highlight-color:transparent}hr{height:0;color:inherit;border-top-width:1px}abbr:where([title]){-webkit-text-decoration:underline dotted;text-decoration:underline dotted}h1,h2,h3,h4,h5,h6{font-size:inherit;font-weight:inherit}a{color:inherit;-webkit-text-decoration:inherit;-webkit-text-decoration:inherit;-webkit-text-decoration:inherit;-webkit-text-decoration:inherit;text-decoration:inherit}b,strong{font-weight:bolder}code,kbd,samp,pre{font-family:var(--default-mono-font-family,ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace);font-feature-settings:var(--default-mono-font-feature-settings,normal);font-variation-settings:var(--default-mono-font-variation-settings,normal);font-size:1em}small{font-size:80%}sub,sup{vertical-align:baseline;font-size:75%;line-height:0;position:relative}sub{bottom:-.25em}sup{top:-.5em}table{text-indent:0;border-color:inherit;border-collapse:collapse}:-moz-focusring{outline:auto}progress{vertical-align:baseline}summary{display:list-item}ol,ul,menu{list-style:none}img,svg,video,canvas,audio,iframe,embed,object{vertical-align:middle;display:block}img,video{max-width:100%;height:auto}button,input,select,optgroup,textarea{font:inherit;font-feature-settings:inherit;font-variation-settings:inherit;letter-spacing:inherit;color:inherit;opacity:1;background-color:#0000;border-radius:0}::file-selector-button{font:inherit;font-feature-settings:inherit;font-variation-settings:inherit;letter-spacing:inherit;color:inherit;opacity:1;background-color:#0000;border-radius:0}:where(select:is([multiple],[size])) optgroup{font-weight:bolder}:where(select:is([multiple],[size])) optgroup option{padding-inline-start:20px}::file-selector-button{margin-inline-end:4px}::placeholder{opacity:1}@supports (not ((-webkit-appearance:-apple-pay-button))) or (contain-intrinsic-size:1px){::placeholder{color:currentColor}@supports (color:color-mix(in lab, red, red)){::placeholder{color:color-mix(in oklab, currentcolor 50%, transparent)}}}textarea{resize:vertical}::-webkit-search-decoration{-webkit-appearance:none}::-webkit-date-and-time-value{min-height:1lh;text-align:inherit}::-webkit-datetime-edit{display:inline-flex}::-webkit-datetime-edit-fields-wrapper{padding:0}::-webkit-datetime-edit{padding-block:0}::-webkit-datetime-edit-year-field{padding-block:0}::-webkit-datetime-edit-month-field{padding-block:0}::-webkit-datetime-edit-day-field{padding-block:0}::-webkit-datetime-edit-hour-field{padding-block:0}::-webkit-datetime-edit-minute-field{padding-block:0}::-webkit-datetime-edit-second-field{padding-block:0}::-webkit-datetime-edit-millisecond-field{padding-block:0}::-webkit-datetime-edit-meridiem-field{padding-block:0}::-webkit-calendar-picker-indicator{line-height:1}:-moz-ui-invalid{box-shadow:none}button,input:where([type=button],[type=reset],[type=submit]){appearance:button}::file-selector-button{appearance:button}::-webkit-inner-spin-button{height:auto}::-webkit-outer-spin-button{height:auto}[hidden]:where(:not([hidden=until-found])){display:none!important}}@layer components;@layer utilities{.visible{visibility:visible}.fixed{position:fixed}.start{inset-inline-start:var(--spacing)}.container{width:100%}@media (min-width:40rem){.container{max-width:40rem}}@media (min-width:48rem){.container{max-width:48rem}}@media (min-width:64rem){.container{max-width:64rem}}@media (min-width:80rem){.container{max-width:80rem}}@media (min-width:96rem){.container{max-width:96rem}}.grid{display:grid}.border{border-style:var(--tw-border-style);border-width:1px}.shadow{--tw-shadow:0 1px 3px 0 var(--tw-shadow-color,#0000001a), 0 1px 2px -1px var(--tw-shadow-color,#0000001a);box-shadow:var(--tw-inset-shadow), var(--tw-inset-ring-shadow), var(--tw-ring-offset-shadow), var(--tw-ring-shadow), var(--tw-shadow)}.blur{--tw-blur:blur(8px);filter:var(--tw-blur,) var(--tw-brightness,) var(--tw-contrast,) var(--tw-grayscale,) var(--tw-hue-rotate,) var(--tw-invert,) var(--tw-saturate,) var(--tw-sepia,) var(--tw-drop-shadow,)}}@property --tw-border-style{syntax:"*";inherits:false;initial-value:solid}@property --tw-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-shadow-color{syntax:"*";inherits:false}@property --tw-shadow-alpha{syntax:"<percentage>";inherits:false;initial-value:100%}@property --tw-inset-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-inset-shadow-color{syntax:"*";inherits:false}@property --tw-inset-shadow-alpha{syntax:"<percentage>";inherits:false;initial-value:100%}@property --tw-ring-color{syntax:"*";inherits:false}@property --tw-ring-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-inset-ring-color{syntax:"*";inherits:false}@property --tw-inset-ring-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-ring-inset{syntax:"*";inherits:false}@property --tw-ring-offset-width{syntax:"<length>";inherits:false;initial-value:0}@property --tw-ring-offset-color{syntax:"*";inherits:false;initial-value:#fff}@property --tw-ring-offset-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-blur{syntax:"*";inherits:false}@property --tw-brightness{syntax:"*";inherits:false}@property --tw-contrast{syntax:"*";inherits:false}@property --tw-grayscale{syntax:"*";inherits:false}@property --tw-hue-rotate{syntax:"*";inherits:false}@property --tw-invert{syntax:"*";inherits:false}@property --tw-opacity{syntax:"*";inherits:false}@property --tw-saturate{syntax:"*";inherits:false}@property --tw-sepia{syntax:"*";inherits:false}@property --tw-drop-shadow{syntax:"*";inherits:false}@property --tw-drop-shadow-color{syntax:"*";inherits:false}@property --tw-drop-shadow-alpha{syntax:"<percentage>";inherits:false;initial-value:100%}@property --tw-drop-shadow-size{syntax:"*";inherits:false}
@font-face{font-family:"Ark Pixel 12px";src:url(/fonts/ark-pixel-12px-proportional-zh_cn.woff2)format("woff2");font-display:swap;font-style:normal;font-weight:400}:root{--px:4px;--ink:#2b2118;--ink-soft:#5f4a34;--cream:#fff0c2;--paper:#fff8de;--paper-deep:#ead9aa;--ground:#dfe9c7;--ground-line:#c6d4af;--board:#e6b66f;--board-light:#f3cf8c;--board-line:#9a683c;--wood-dark:#6b3f24;--wood:#9a6034;--green-0:#173b26;--green-1:#328d46;--green-2:#62c95f;--green-3:#a7ee7a;--blue-0:#194a74;--blue-1:#438cc9;--blue-2:#68b8f1;--red-0:#783c45;--red-1:#d66b7d;--red-2:#f397a6;--yellow:#ffb51b;--white-stone:#fff8de;--black-stone:#262626}*{box-sizing:border-box}html{background:var(--ground)}body{background:var(--ground);color:var(--ink);font-synthesis:none;text-rendering:geometricprecision;-webkit-font-smoothing:none;min-width:320px;margin:0;font-family:"Ark Pixel 12px",Microsoft YaHei,sans-serif;font-size:16px;line-height:1.5}button,input,textarea{color:inherit;font:inherit}button,input,textarea,fieldset,.auth-card,.profile-card,.hall-card,.resume-card,.room-form,.game-player,.room-summary,.board-card,.turn-banner,.modal,.invite-details label,.received-invite,.safety-strip{border-radius:0}button{-webkit-tap-highlight-color:transparent}button:focus-visible,input:focus-visible,textarea:focus-visible,.board:focus-visible{outline:4px solid var(--yellow);outline-offset:2px}img,.pixel-art,.avatar,.big-avatar,.avatar-picker img,.stone,.disc{image-rendering:pixelated;image-rendering:crisp-edges}.pixel-icon{shape-rendering:crispedges;flex:none;display:block}.auth-shell,.lobby-shell,.game-shell{background-color:var(--ground);background-image:linear-gradient(var(--ground-line) 2px, transparent 2px), linear-gradient(90deg, var(--ground-line) 2px, transparent 2px);color:var(--ink);background-size:16px 16px;min-height:100vh}.ambient-grid,.floating-piece{display:none}.eyebrow,.form-heading small,.status-copy small,.game-header small,.turn-banner small,.game-player small,.room-summary small,.rank-tag,.footer-note,.modal>small,.manual-invitation,.invite-details label,.room-form label,.auth-card label,.auth-card legend{font-size:12px;line-height:16px}.eyebrow{color:var(--green-1);letter-spacing:2px;margin-bottom:8px;display:block}.pixel-logo{background:var(--green-1);border:4px solid var(--green-0);box-shadow:inset 0 4px 0 var(--green-3), 4px 4px 0 var(--ink);color:var(--paper);flex:none;justify-content:center;align-items:center;width:64px;height:64px;font-size:32px;line-height:32px;display:inline-flex}.auth-shell{grid-template-columns:minmax(0,1fr) 416px;align-items:center;gap:32px;padding:32px max(32px,50vw - 560px);display:grid}.auth-intro{max-width:560px}.brand-lockup{align-items:center;gap:16px;margin-bottom:32px;display:flex}.brand-lockup strong{font-size:24px;line-height:32px;display:block}.brand-lockup small{letter-spacing:2px;font-size:12px;line-height:16px;display:block}.auth-intro h1{max-width:520px;margin:0 0 16px;font-size:32px;font-weight:400;line-height:48px}.auth-intro>p{color:var(--ink-soft);max-width:520px;margin:0 0 24px;font-size:16px;line-height:24px}.feature-list{gap:8px;display:grid}.feature-list span{background:var(--paper);border:2px solid var(--ink);box-shadow:4px 4px 0 var(--paper-deep);align-items:center;min-height:48px;padding:8px 12px;display:flex}.auth-card{background:var(--paper);border:4px solid var(--ink);box-shadow:8px 8px 0 var(--green-0);width:100%;padding:24px;position:relative;overflow:visible}.auth-card:before,.auth-card:after{display:none}.auth-tabs{grid-template-columns:1fr 1fr;gap:4px;margin-bottom:24px;display:grid}.auth-tabs button{background:var(--paper-deep);border:2px solid var(--ink);color:var(--ink);min-height:48px;padding:8px}.auth-tabs button.active{background:var(--green-1);box-shadow:inset 0 4px 0 var(--green-3);color:var(--paper)}.auth-card form,.room-form{gap:16px;display:grid}.auth-card label,.room-form label,.manual-invitation{color:var(--ink-soft);gap:8px;display:grid}input,textarea{background:var(--paper);border:2px solid var(--ink);box-shadow:inset 4px 4px 0 var(--paper-deep);color:var(--ink);min-height:48px;padding:8px 12px}input::placeholder,textarea::placeholder{color:#887257;opacity:1}input:focus,textarea:focus{border-color:var(--green-1);box-shadow:inset 4px 4px 0 var(--green-3)}fieldset{border:2px solid var(--ink);margin:0;padding:12px}legend{background:var(--paper);padding:0 8px}.avatar-picker{grid-template-columns:repeat(5,48px);justify-content:space-between;gap:8px;display:grid}.avatar-picker button{background:var(--cream);border:2px solid var(--ink);justify-content:center;align-items:center;width:48px;height:48px;padding:6px;display:flex}.avatar-picker button.selected{background:var(--green-3);box-shadow:4px 4px 0 var(--green-0);transform:translate(-2px,-2px)}.avatar-picker img{width:32px;height:32px}.error-banner{background:var(--red-2);border:2px solid var(--red-0);color:var(--red-0);margin:0 0 16px;padding:8px 12px;font-size:12px}.footer-note{color:var(--ink-soft);text-align:center;margin-top:16px}.primary-button,.secondary-button,.danger-button,.text-button,.logout-button,.back-button,.game-actions button{border:4px solid var(--ink);cursor:pointer;justify-content:center;align-items:center;min-height:48px;padding:8px 16px;font-weight:400;transition:none;display:inline-flex}.primary-button{background:var(--green-1);box-shadow:inset 0 4px 0 var(--green-3), 4px 4px 0 var(--green-0);color:var(--paper);gap:12px;width:100%}.secondary-button{background:var(--cream);box-shadow:inset 0 4px 0 var(--paper), 4px 4px 0 var(--wood-dark);color:var(--ink);width:100%}.danger-button{background:var(--red-1);box-shadow:inset 0 4px 0 var(--red-2), 4px 4px 0 var(--red-0);color:var(--paper);gap:12px;width:100%}.text-button{box-shadow:none;color:var(--green-0);background:0 0;border-color:#0000;min-height:48px}.logout-button,.back-button{background:var(--paper);box-shadow:4px 4px 0 var(--paper-deep);color:var(--green-0);border-width:2px;gap:8px}.primary-button:active:not(:disabled),.secondary-button:active:not(:disabled),.danger-button:active:not(:disabled),.logout-button:active:not(:disabled),.back-button:active:not(:disabled),.game-actions button:active:not(:disabled){box-shadow:none;transform:translate(4px,4px)}button:disabled{cursor:not-allowed;filter:none;opacity:1}.primary-button:disabled,.secondary-button:disabled,.danger-button:disabled,.game-actions button:disabled{color:#625d4d;background:#b9b49b;border-color:#756f5c;box-shadow:4px 4px #756f5c}.lobby-shell{padding-bottom:48px}.lobby-header{background:var(--paper);border-bottom:4px solid var(--ink);justify-content:space-between;align-items:center;min-height:80px;padding:8px max(16px,50vw - 560px);display:flex}.lobby-brand,.user-tools,.status-copy{align-items:center;display:flex}.lobby-brand{gap:12px}.lobby-brand .pixel-logo{width:48px;height:48px;font-size:24px}.lobby-brand b,.status-copy b{font-size:16px;line-height:24px;display:block}.lobby-brand small,.status-copy small{color:var(--ink-soft);display:block}.user-tools{gap:12px}.status-copy{gap:8px}.online-dot{background:var(--green-2);border:2px solid var(--green-0);width:12px;height:12px}.avatar{background:var(--paper);border:2px solid var(--ink);object-fit:cover;width:32px;height:32px}.lobby-main{grid-template-columns:280px minmax(0,1fr);gap:24px;max-width:1120px;margin:32px auto 0;padding:0 16px;display:grid}.profile-card,.hall-card,.resume-card,.room-form,.safety-strip{background:var(--paper);border:4px solid var(--ink);box-shadow:8px 8px 0 var(--paper-deep)}.profile-card{text-align:center;align-self:start;padding:24px}.big-avatar{border:4px solid var(--ink);object-fit:cover;width:64px;height:64px}.profile-card h2{margin:12px 0 4px;font-size:24px;font-weight:400;line-height:32px}.rank-tag{background:var(--cream);border:2px solid var(--ink);padding:4px 8px;display:inline-block}.stats{border-top:2px solid var(--ink);grid-template-columns:repeat(3,1fr);margin-top:16px;padding-top:16px;display:grid}.stats div+div{border-left:2px solid var(--ink)}.stats b{font-size:24px;font-weight:400;line-height:32px;display:block}.stats small{color:var(--ink-soft);font-size:12px}.resume-card{text-align:left;gap:8px;margin-top:24px;padding:16px;display:grid}.resume-card small,.resume-card p{color:var(--ink-soft);margin:0;font-size:12px}.resume-card strong{letter-spacing:2px;font-size:20px;font-weight:400}.hall-card{padding:24px}.hall-copy{border-bottom:4px solid var(--green-1);margin-bottom:24px;padding-bottom:16px}.hall-copy h1{margin:0 0 8px;font-size:32px;font-weight:400;line-height:40px}.hall-copy p,.room-form p{color:var(--ink-soft);margin:0;font-size:12px;line-height:20px}.received-invite{background:var(--cream);border:2px solid var(--ink);grid-template-columns:auto auto 1fr;align-items:center;gap:8px;min-height:48px;margin-bottom:24px;padding:8px 12px;display:grid}.received-invite span,.received-invite small{font-size:12px}.received-invite b{letter-spacing:2px;font-size:20px}.received-invite small{color:var(--ink-soft);text-align:right}.room-actions-grid{grid-template-columns:1fr 1fr;gap:24px;display:grid}.room-form{box-shadow:4px 4px 0 var(--paper-deep);padding:20px}.form-heading{align-items:center;gap:12px;margin-bottom:4px;display:flex}.form-heading i{background:var(--green-3);border:2px solid var(--green-0);color:var(--green-0);justify-content:center;align-items:center;width:32px;height:32px;display:flex}.form-heading b{font-size:20px;font-style:normal;font-weight:400;line-height:24px;display:block}.form-heading small{color:var(--ink-soft);letter-spacing:1px;display:block}.code-input{letter-spacing:4px;text-transform:uppercase;font-size:20px}.safety-strip{box-shadow:4px 4px 0 var(--paper-deep);grid-template-columns:auto 1fr;align-items:center;gap:16px;margin-top:24px;padding:16px;display:grid}.step-badge{background:var(--green-1);border:2px solid var(--green-0);color:var(--paper);justify-content:center;align-items:center;width:40px;height:40px;font-size:20px;display:flex}.safety-strip b,.safety-strip small{display:block}.safety-strip small{color:var(--ink-soft);font-size:12px}.game-shell{padding-bottom:32px}.game-header{background:var(--paper);border-bottom:4px solid var(--ink);z-index:2;grid-template-columns:1fr auto 1fr;align-items:center;gap:16px;min-height:72px;padding:8px max(16px,50vw - 640px);display:grid;position:relative}.game-header>div{text-align:center}.game-header b{letter-spacing:2px;font-size:20px;font-weight:400;line-height:24px;display:block}.game-header small{color:var(--ink-soft);display:block}.back-button{justify-self:start}.game-side-chip{background:var(--cream);border:2px solid var(--ink);justify-self:end;min-height:40px;padding:8px 12px}.game-layout{grid-template-columns:280px minmax(0,1fr);align-items:start;gap:24px;max-width:1280px;margin:24px auto 0;padding:0 16px;display:grid}.player-stack{gap:16px;padding-top:48px;display:grid}.game-player,.room-summary{background:var(--paper);border:4px solid var(--ink);box-shadow:4px 4px 0 var(--paper-deep)}.game-player{grid-template-columns:64px 1fr;align-items:center;gap:12px;min-height:96px;padding:12px;display:grid;position:relative}.game-player.active{border-color:var(--green-0);box-shadow:8px 8px 0 var(--green-1)}.game-player .avatar,.ghost-avatar{border:2px solid var(--ink);width:64px;height:64px}.ghost-avatar{background:var(--paper-deep);color:var(--ink-soft);justify-content:center;align-items:center;font-size:24px;display:flex}.game-player small,.game-player b,.game-player span{display:block}.game-player b{font-size:20px;font-weight:400;line-height:24px}.game-player small,.game-player span{color:var(--ink-soft)}.game-player span{font-size:12px}.stone-dot{background:50%/16px 16px no-repeat;border:0;width:16px;height:16px}.stone-dot.black{background-image:url(/board/stone-black.png)}.stone-dot.white{background-image:url(/board/stone-white.png)}.versus{background:var(--red-1);border:2px solid var(--red-0);color:var(--paper);justify-content:center;justify-self:center;align-items:center;width:40px;height:32px;font-size:12px;display:flex}.room-summary{border-left:4px solid var(--green-1);gap:8px;padding:16px;display:grid}.room-summary b{font-size:16px;font-weight:400}.room-summary p{color:var(--ink-soft);margin:0;font-size:12px}.board-card{background:var(--paper);border:4px solid var(--ink);box-shadow:8px 8px 0 var(--paper-deep);min-width:0;padding:12px}.turn-banner{background:var(--cream);border:2px solid var(--ink);box-shadow:0 4px 0 var(--paper-deep);grid-template-columns:16px 1fr auto;align-items:center;gap:12px;min-height:48px;margin-bottom:12px;padding:8px 12px;display:grid}.turn-banner b{font-size:16px;font-weight:400}.turn-banner small{color:var(--ink-soft)}.disc{background-color:#0000;background-position:50%;background-repeat:no-repeat;background-size:16px 16px;border:0;width:16px;height:16px}.disc.black{background-image:url(/board/stone-black.png)}.disc.white{background-image:url(/board/stone-white.png)}.board-slot{justify-content:center;align-items:center;width:100%;min-width:0;display:flex;overflow:hidden;container:board-slot/inline-size}.board-frame{background:var(--wood);border:4px solid var(--wood-dark);box-shadow:inset 0 0 0 4px var(--board-light), 4px 4px 0 var(--ink);flex:none;padding:8px}.board{background:var(--board);box-shadow:none;cursor:crosshair;isolation:isolate;touch-action:none;-webkit-user-select:none;user-select:none;border:0;outline:0;grid-template-rows:repeat(15,1fr);grid-template-columns:repeat(15,1fr);gap:0;padding:0;display:grid}.board.locked{cursor:wait;pointer-events:none}.cell{pointer-events:none;background:0 0;border:0;justify-content:center;align-items:center;min-width:0;min-height:0;padding:0;display:flex;position:relative}.cell:before,.cell:after{background:var(--board-line);content:"";z-index:-1;position:absolute}.cell:before{width:100%;height:2px;top:calc(50% - 1px);left:0}.cell:after{width:2px;height:100%;top:0;left:calc(50% - 1px)}.cell.left:before{width:50%;left:50%}.cell.right:before{width:50%}.cell.top:after{height:50%;top:50%}.cell.bottom:after{height:50%}.star{background:var(--wood-dark);z-index:1;width:4px;height:4px;position:absolute}.stone{box-shadow:none;z-index:2;background-color:#0000;background-position:50%;background-repeat:no-repeat;background-size:16px 16px;border:0;border-radius:0;width:16px;height:16px;display:block;position:relative}.stone-black{background-image:url(/board/stone-black.png)}.stone-white{background-image:url(/board/stone-white.png)}.cell.last .stone:after{background:linear-gradient(var(--yellow), var(--yellow)) left top / 6px 2px no-repeat, linear-gradient(var(--yellow), var(--yellow)) left top / 2px 6px no-repeat, linear-gradient(var(--yellow), var(--yellow)) right top / 6px 2px no-repeat, linear-gradient(var(--yellow), var(--yellow)) right top / 2px 6px no-repeat, linear-gradient(var(--yellow), var(--yellow)) left bottom / 6px 2px no-repeat, linear-gradient(var(--yellow), var(--yellow)) left bottom / 2px 6px no-repeat, linear-gradient(var(--yellow), var(--yellow)) right bottom / 6px 2px no-repeat, linear-gradient(var(--yellow), var(--yellow)) right bottom / 2px 6px no-repeat;content:"";position:absolute;inset:-4px}.pixel-cursor{background:linear-gradient(var(--yellow), var(--yellow)) left top / 8px 2px no-repeat, linear-gradient(var(--yellow), var(--yellow)) left top / 2px 8px no-repeat, linear-gradient(var(--yellow), var(--yellow)) right top / 8px 2px no-repeat, linear-gradient(var(--yellow), var(--yellow)) right top / 2px 8px no-repeat, linear-gradient(var(--yellow), var(--yellow)) left bottom / 8px 2px no-repeat, linear-gradient(var(--yellow), var(--yellow)) left bottom / 2px 8px no-repeat, linear-gradient(var(--yellow), var(--yellow)) right bottom / 8px 2px no-repeat, linear-gradient(var(--yellow), var(--yellow)) right bottom / 2px 8px no-repeat;z-index:3;width:calc(100% - 4px);height:calc(100% - 4px);position:absolute}.cell.win .stone{filter:none;animation:.48s steps(2,end) infinite winning-stone}@keyframes winning-stone{0%,49%{background-color:#0000}50%,to{background-color:var(--yellow)}}.game-actions{grid-template-columns:1fr 1fr;gap:12px;margin-top:16px;display:grid}.game-actions button{background:var(--cream);box-shadow:inset 0 4px 0 var(--paper), 4px 4px 0 var(--wood-dark);color:var(--green-0);gap:12px;width:100%;min-height:72px}.game-actions .pixel-icon{width:32px;height:32px}.game-actions button>span{text-align:left;gap:4px;display:grid}.game-actions button b{font-size:16px;font-weight:400;line-height:20px}.game-actions button small{color:var(--ink-soft);font-size:12px;line-height:16px}.game-actions .resign-action:not(:disabled){background:var(--red-2);box-shadow:inset 0 4px 0 var(--paper), 4px 4px 0 var(--red-0);color:var(--red-0)}.game-actions--finished{grid-template-columns:1fr}.waiting-share{min-height:64px;margin-top:16px;font-size:16px}.scrim{-webkit-backdrop-filter:none;backdrop-filter:none;z-index:20;background:#173b26d9;justify-content:center;align-items:center;padding:16px;display:flex;position:fixed;inset:0}.modal{background:var(--paper);border:4px solid var(--ink);box-shadow:8px 8px 0 var(--yellow);text-align:center;width:100%;max-width:520px;max-height:calc(100vh - 32px);padding:24px;position:relative;overflow:auto}.modal-close{background:var(--red-2);border:2px solid var(--red-0);color:var(--red-0);justify-content:center;align-items:center;width:48px;height:48px;padding:0;display:flex;position:absolute;top:8px;right:8px}.modal h2{margin:0 48px 12px;font-size:24px;font-weight:400;line-height:32px}.modal p{color:var(--ink-soft);margin:0 0 20px;font-size:16px;line-height:24px}.invite-details{text-align:left;gap:8px;margin:16px 0;display:grid}.invite-details label{background:var(--cream);border:2px solid var(--ink);gap:8px;padding:8px 12px;display:grid}.invite-details code,.invite-details strong{color:var(--ink);overflow-wrap:anywhere;font-family:inherit;font-size:16px;font-weight:400}.manual-invitation{text-align:left;margin:16px 0}.manual-invitation textarea{resize:vertical;min-height:112px}.share-text-button{gap:8px;width:100%;margin-top:8px}.result-crown{background:var(--yellow);border:4px solid var(--ink);color:var(--ink);justify-content:center;align-items:center;width:64px;height:64px;margin:0 auto 16px;display:flex}.resign-modal,.result-modal{max-width:440px}.toast{background:var(--green-0);border:4px solid var(--paper);box-shadow:4px 4px 0 var(--ink);color:var(--paper);z-index:30;max-width:calc(100vw - 32px);padding:12px 16px;font-size:16px;animation:.16s steps(2,end) toast-in;position:fixed;bottom:24px;left:50%;transform:translate(-50%)}@keyframes toast-in{0%{transform:translate(-50%,8px)}to{transform:translate(-50%)}}@container board-slot (min-width:560px){.stone{background-size:32px 32px;width:32px;height:32px}}@media (max-width:980px){.game-layout{grid-template-columns:1fr;max-width:760px}.player-stack{grid-template-columns:1fr 40px 1fr;padding-top:0}.versus{align-self:center}.room-summary{grid-column:1/-1}.game-player{grid-template-columns:32px 1fr;min-height:72px}.game-player .avatar,.ghost-avatar{width:32px;height:32px}}@media (max-width:760px){.auth-shell{grid-template-columns:1fr;padding:24px 16px 40px}.auth-intro,.auth-card{max-width:520px;margin:0 auto}.lobby-main{grid-template-columns:1fr;margin-top:24px}.profile-card{text-align:left;grid-template-columns:64px 1fr;gap:12px;display:grid}.profile-card h2{margin:0}.profile-card .rank-tag{justify-self:start}.stats,.resume-card{grid-column:1/-1}.room-actions-grid{grid-template-columns:1fr}}@media (max-width:560px){body{font-size:16px}.auth-intro h1,.hall-copy h1{font-size:24px;line-height:32px}.auth-intro>p,.feature-list{display:none}.brand-lockup{margin-bottom:16px}.auth-card,.hall-card,.profile-card,.room-form,.modal{padding:16px}.avatar-picker{grid-template-columns:repeat(5,48px);overflow-x:auto}.lobby-header{min-height:72px;padding:8px 12px}.status-copy{display:none}.lobby-main,.game-layout{padding:0 8px}.received-invite{grid-template-columns:1fr auto}.received-invite small{text-align:left;grid-column:1/-1}.safety-strip{grid-template-columns:40px 1fr}.game-header{grid-template-columns:auto 1fr auto;gap:8px;min-height:64px;padding:8px}.game-header b{letter-spacing:1px;font-size:16px}.game-header small{display:none}.back-button{width:48px;height:48px;padding:0;font-size:0}.back-button .pixel-icon{width:16px;height:16px}.game-side-chip{min-height:40px;padding:8px;font-size:12px}.game-layout{gap:12px;margin-top:12px}.player-stack{grid-template-columns:1fr 32px 1fr;gap:8px}.game-player{grid-template-columns:32px 1fr;gap:8px;padding:8px}.game-player b{text-overflow:ellipsis;white-space:nowrap;font-size:16px;line-height:20px;overflow:hidden}.game-player small,.game-player span{font-size:12px;line-height:16px}.room-summary{display:none}.board-card{padding:8px}.turn-banner{margin-bottom:8px}.turn-banner small{display:none}.board-frame{padding:8px}.game-actions{gap:8px;margin-top:12px}.game-actions button{gap:8px;min-height:64px;padding:8px}.game-actions .pixel-icon{width:16px;height:16px}.game-actions button b{font-size:16px}.waiting-share{margin-top:12px;font-size:16px}.modal h2{font-size:20px;line-height:24px}.modal p{font-size:12px;line-height:20px}}.loading-screen{background:var(--ground);color:var(--ink);flex-direction:column;justify-content:center;align-items:center;gap:12px;min-height:100vh;display:flex}.loading-screen b{font-size:24px;font-weight:400}.loading-screen small{font-size:12px}.auth-hero{justify-self:start;max-width:560px}.auth-hero h1{margin:8px 0 16px;font-size:32px;font-weight:400;line-height:48px}.auth-hero>p{color:var(--ink-soft);max-width:520px;margin:0;font-size:16px;line-height:24px}.invitation-badge{background:var(--cream);border:2px solid var(--ink);box-shadow:4px 4px 0 var(--green-0);align-items:center;gap:8px;width:max-content;min-height:48px;margin-top:16px;padding:8px 12px;display:flex}.invitation-badge i{background:var(--green-2);border:2px solid var(--green-0);box-shadow:none;border-radius:0;width:12px;height:12px}.invitation-badge b{color:var(--green-0);letter-spacing:2px;font-size:16px;font-weight:400}.hero-board{background:var(--board);border:8px solid var(--wood-dark);box-shadow:8px 8px 0 var(--ink);grid-template-columns:repeat(3,1fr);gap:0;width:304px;height:304px;margin:32px 0 24px 32px;padding:0;display:grid;transform:none}.hero-board i{background:linear-gradient(var(--board-line), var(--board-line)) center / 2px 100% no-repeat, linear-gradient(var(--board-line), var(--board-line)) center / 100% 2px no-repeat;box-shadow:none;opacity:1;border:0;border-radius:0;place-self:stretch stretch;width:auto;height:auto;position:relative}.hero-board i:after{content:"";height:32px;image-rendering:pixelated;background:url(/board/stone-black.png) 50%/32px 32px no-repeat;width:32px;position:absolute;top:calc(50% - 16px);left:calc(50% - 16px)}.hero-board i:nth-child(2):after,.hero-board i:nth-child(5):after,.hero-board i:nth-child(8):after{background-image:url(/board/stone-white.png)}.hero-board i:nth-child(2),.hero-board i:nth-child(5),.hero-board i:nth-child(8){background:linear-gradient(var(--board-line), var(--board-line)) center / 2px 100% no-repeat, linear-gradient(var(--board-line), var(--board-line)) center / 100% 2px no-repeat;box-shadow:none;border:0}.hero-board i:first-child:after,.hero-board i:nth-child(6):after,.hero-board i:nth-child(9):after{display:none}.feature-list{color:var(--ink-soft);flex-wrap:wrap;gap:8px 16px;margin:0;padding:0;font-size:12px;list-style:none;display:flex}.feature-list li{align-items:center;min-height:24px;display:flex}.feature-list li:before{color:var(--green-1);content:"■";margin-right:8px;font-size:8px}.auth-card>header{align-items:center;gap:12px;margin-bottom:24px;display:flex;position:relative}.mini-logo,.wordmark>span{background:var(--green-1);border:4px solid var(--green-0);box-shadow:inset 0 4px 0 var(--green-3), 4px 4px 0 var(--ink);color:var(--paper);justify-content:center;align-items:center;width:48px;height:48px;font-size:24px;display:flex}.auth-card header b{font-size:20px;font-weight:400;line-height:24px;display:block}.auth-card header small{color:var(--ink-soft);margin-top:4px;font-size:12px;line-height:16px;display:block}.form-error{background:var(--red-2);border:2px solid var(--red-0);color:var(--red-0);margin:0;padding:8px 12px;font-size:12px;line-height:16px}.privacy-note{color:var(--ink-soft);text-align:center;margin:16px 0 0;font-size:12px;line-height:16px}.pixel-avatar{background:var(--paper);border:2px solid var(--ink);box-sizing:content-box;box-shadow:4px 4px 0 var(--paper-deep);image-rendering:pixelated;object-fit:cover;flex:none;display:block}.pixel-avatar--small,.pixel-avatar--normal{width:32px;height:32px}.pixel-avatar--large{width:64px;height:64px}.online-dot,.offline-dot{border:2px solid var(--green-0);box-shadow:none;border-radius:0;width:12px;height:12px;display:inline-block}.online-dot{background:var(--green-2)}.offline-dot{background:#9b9a85;border-color:#5e5d4d}.lobby-shell{padding:0 16px 32px}.site-header{background:var(--paper);border:4px solid var(--ink);box-shadow:4px 4px 0 var(--paper-deep);z-index:2;justify-content:space-between;align-items:center;max-width:1120px;min-height:72px;margin:0 auto 24px;padding:8px 12px;display:flex;position:relative}.wordmark,.header-account{align-items:center;display:flex}.wordmark{color:inherit;gap:12px;text-decoration:none}.wordmark>div b{font-size:16px;font-weight:400;line-height:20px;display:block}.wordmark>div small{color:var(--ink-soft);letter-spacing:1px;font-size:12px;line-height:16px;display:block}.header-account{gap:8px;font-size:16px}.header-account button{background:var(--cream);border:2px solid var(--ink);box-shadow:4px 4px 0 var(--paper-deep);min-height:48px;padding:8px 12px}.lobby-grid{z-index:1;grid-template-columns:280px minmax(0,1fr);grid-template-areas:"profile room""history history";align-items:start;gap:24px;max-width:1120px;margin:0 auto;display:grid;position:relative}.panel{background:var(--paper);border:4px solid var(--ink);box-shadow:8px 8px 0 var(--paper-deep)}.profile-card{text-align:left;grid-area:profile;padding:20px;display:block}.profile-main{align-items:center;gap:12px;margin:16px 0;display:flex}.profile-main h2{margin:0 0 4px;font-size:20px;font-weight:400;line-height:24px}.profile-main p,.profile-main em{margin:0 0 4px;font-size:12px;line-height:16px}.profile-main p{color:var(--ink-soft)}.profile-main em{color:var(--green-0);align-items:center;gap:8px;font-style:normal;display:flex}.stats-grid{border:2px solid var(--ink);grid-template-columns:repeat(4,1fr);display:grid}.stats-grid>div{text-align:center;padding:8px 4px}.stats-grid>div+div{border-left:2px solid var(--ink)}.stats-grid b,.stats-grid small{display:block}.stats-grid b{font-size:20px;font-weight:400;line-height:24px}.stats-grid small{color:var(--ink-soft);font-size:12px;line-height:16px}.room-panel{grid-area:room;padding:24px}.room-panel h1{margin:0 0 8px;font-size:32px;font-weight:400;line-height:40px}.section-lead{color:var(--ink-soft);margin:0 0 24px;font-size:16px;line-height:24px}.history-card{grid-area:history;padding:24px}.panel-title{justify-content:space-between;align-items:end;gap:16px;margin-bottom:16px;display:flex}.panel-title h2{margin:0;font-size:24px;font-weight:400;line-height:32px}.panel-title>small{color:var(--ink-soft);font-size:12px}.history-list{gap:8px;display:grid}.history-list article{background:var(--paper);border:2px solid var(--ink);grid-template-columns:40px 1fr auto;align-items:center;gap:12px;min-height:64px;padding:8px 12px;display:grid}.result-chip{border:2px solid;justify-content:center;align-items:center;width:40px;height:40px;display:flex}.result-win{background:var(--green-3);border-color:var(--green-0);color:var(--green-0)}.result-loss{background:var(--red-2);border-color:var(--red-0);color:var(--red-0)}.result-draw{background:var(--cream);border-color:var(--wood-dark);color:var(--wood-dark)}.history-list article b,.history-list article small{display:block}.history-list article b{font-size:16px;font-weight:400}.history-list article small,.history-list time{color:var(--ink-soft);font-size:12px}.empty-history{border:2px dashed var(--ink-soft);color:var(--ink-soft);text-align:center;padding:24px}.empty-history i{font-size:24px;font-style:normal}.empty-history p{margin:8px 0 0;font-size:12px}.site-footer{color:var(--ink-soft);text-align:center;z-index:1;padding:24px 0 0;font-size:12px;position:relative}.game-player .pixel-avatar--large,.empty-avatar{width:64px;height:64px}.empty-avatar{background:var(--paper-deep);border:2px dashed var(--ink-soft);color:var(--ink-soft);justify-content:center;align-items:center;font-size:24px;display:flex}.game-player h2{margin:4px 0;font-size:20px;font-weight:400;line-height:24px}.game-player p{color:var(--ink-soft);margin:0;font-size:12px;line-height:16px}.versus:before,.versus>i{display:none}@media (max-width:980px){.lobby-grid{grid-template-columns:1fr;grid-template-areas:"profile""room""history"}.profile-card{grid-template-columns:1fr 1fr;gap:16px;display:grid}.profile-card>.eyebrow,.resume-card{grid-column:1/-1}.profile-main{margin:0}.game-player .pixel-avatar--large,.empty-avatar{width:32px;height:32px}}@media (max-width:760px){.auth-hero{text-align:center;justify-self:center}.auth-hero>p{margin-inline:auto}.hero-board{margin:24px auto}.feature-list{justify-content:center}.site-header{margin-bottom:16px}}@media (max-width:560px){.auth-hero h1{font-size:24px;line-height:32px}.auth-hero h1 br,.auth-hero>p,.hero-board,.feature-list{display:none}.mini-logo,.wordmark>span{width:40px;height:40px}.wordmark>div small,.header-account>span{display:none}.lobby-shell{padding-inline:8px}.lobby-grid{gap:12px}.profile-card{display:block}.profile-main{margin:12px 0}.room-panel,.history-card{padding:16px}.room-panel h1{font-size:24px;line-height:32px}.section-lead{font-size:12px;line-height:20px}.panel-title{flex-direction:column;align-items:start;gap:4px}.history-list article{grid-template-columns:40px 1fr}.history-list time{grid-column:2}}@media (prefers-reduced-motion:reduce){*,:before,:after{animation-duration:1ms!important;animation-iteration-count:1!important}}