/*! tailwindcss v4.3.5 | MIT License | https://tailwindcss.com */
@layer properties{@supports (((-webkit-hyphens:none)) and (not (margin-trim:block))) or ((-moz-orient:inline) and (not (color:rgb(from red r g b)))){*,:before,:after,::backdrop{--tw-rotate-x:initial;--tw-rotate-y:initial;--tw-rotate-z:initial;--tw-skew-x:initial;--tw-skew-y:initial;--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, -apple-system, "Segoe UI", Roboto, "Apple SD Gothic Neo", "Noto Sans KR", "Malgun Gothic", "Hiragino Sans", "Noto Sans JP", "Yu Gothic", "Helvetica Neue", Arial, sans-serif;--font-mono:ui-monospace, "SF Mono", "JetBrains Mono", Menlo, Consolas, monospace;--spacing:.25rem;--default-font-family:var(--font-sans);--default-mono-font-family:var(--font-mono);--color-page:#0b1210;--color-page-2:#0f1814;--color-surface:#131e19;--color-surface-2:#1a2721;--color-surface-3:#22332a;--color-line:#24352c;--color-line-strong:#34503f;--color-ink:#eef1e8;--color-ink-dim:#a8b7ab;--color-ink-faint:#7a8d80;--color-felt:#0e6a45;--color-felt-hi:#15845a;--color-felt-deep:#0a5135;--color-felt-line:#052a1b;--color-frame:#2a1d15;--color-frame-hi:#3d2b1f;--color-frame-lo:#170f0a;--color-coord:#d8cdb8;--color-disc-black:#161616;--color-disc-black-hi:#565656;--color-disc-black-lo:#030303;--color-disc-white:#f3efe4;--color-disc-white-hi:#fffdf6;--color-disc-white-lo:#b9b2a0;--color-brass:#e3bd63;--color-brass-deep:#a97f25;--color-on-brass:#1f1707;--color-focus:#ffd166;--color-danger:#b8323a;--color-on-danger:#f4efe6;--color-shadow:#020403;--color-highlight:#fffdf6;--font-display:"Fraunces", ui-serif, Georgia, "Apple SD Gothic Neo", "Noto Serif KR", "Hiragino Mincho ProN", "Noto Serif JP", serif}}@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,-apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", "Noto Sans", Arial, 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]){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;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:where(:not(iframe)){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{.static{position:static}.container{width:100%}@media (width>=40rem){.container{max-width:40rem}}@media (width>=48rem){.container{max-width:48rem}}@media (width>=64rem){.container{max-width:64rem}}@media (width>=80rem){.container{max-width:80rem}}@media (width>=96rem){.container{max-width:96rem}}.m-0{margin:0}.mx-auto{margin-inline:auto}.my-10{margin-block:calc(var(--spacing) * 10)}.mt-2{margin-top:calc(var(--spacing) * 2)}.mt-6{margin-top:calc(var(--spacing) * 6)}.mt-10{margin-top:calc(var(--spacing) * 10)}.mb-4{margin-bottom:calc(var(--spacing) * 4)}.flex{display:flex}.grid{display:grid}.hidden{display:none}.h-14{height:calc(var(--spacing) * 14)}.min-h-\[90px\]{min-height:90px}.min-h-\[250px\]{min-height:250px}.max-w-\[70ch\]{max-width:70ch}.max-w-\[640px\]{max-width:640px}.max-w-\[760px\]{max-width:760px}.transform{transform:var(--tw-rotate-x, ) var(--tw-rotate-y, ) var(--tw-rotate-z, ) var(--tw-skew-x, ) var(--tw-skew-y, )}.scroll-mt-16{scroll-margin-top:calc(var(--spacing) * 16)}.list-none{list-style-type:none}.flex-col{flex-direction:column}.flex-wrap{flex-wrap:wrap}.items-center{align-items:center}.justify-between{justify-content:space-between}.gap-1{gap:var(--spacing)}.gap-3{gap:calc(var(--spacing) * 3)}.gap-x-5{column-gap:calc(var(--spacing) * 5)}.gap-y-2{row-gap:calc(var(--spacing) * 2)}.truncate{text-overflow:ellipsis;white-space:nowrap;overflow:hidden}.rounded{border-radius:.25rem}.border{border-style:var(--tw-border-style);border-width:1px}.p-0{padding:0}.py-8{padding-block:calc(var(--spacing) * 8)}.py-10{padding-block:calc(var(--spacing) * 10)}.py-16{padding-block:calc(var(--spacing) * 16)}.pt-5{padding-top:calc(var(--spacing) * 5)}.pb-2{padding-bottom:calc(var(--spacing) * 2)}.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)}.ring{--tw-ring-shadow:var(--tw-ring-inset, ) 0 0 0 calc(1px + var(--tw-ring-offset-width)) var(--tw-ring-color,currentcolor);box-shadow:var(--tw-inset-shadow), var(--tw-inset-ring-shadow), var(--tw-ring-offset-shadow), var(--tw-ring-shadow), var(--tw-shadow)}.filter{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, )}@media (width>=48rem){.md\:flex{display:flex}}}.reversi-app{grid-template-columns:minmax(0,1fr);align-items:start;gap:22px;display:grid}@media (width>=940px){.reversi-app{grid-template-columns:minmax(0,1fr) 320px;gap:32px}}.stage{--board-w:clamp(280px, min(100cqi, 100svh - 320px), 560px);--flip-ms:.42s;flex-direction:column;align-items:center;min-width:0;display:flex;container-type:inline-size}.hud{width:var(--board-w);grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:8px 10px;max-width:100%;display:grid}.side{border:1px solid var(--color-line);background:var(--color-surface);border-radius:12px;align-items:center;gap:10px;min-width:0;padding:8px 12px;transition:border-color .16s,background-color .16s;display:flex}.side-p2{text-align:right;flex-direction:row-reverse}.side.is-active{border-color:var(--color-brass);background:#262c20}@supports (color:color-mix(in lab, red, red)){.side.is-active{background:color-mix(in srgb, var(--color-brass) 9%, var(--color-surface))}}.side-text{flex:auto;justify-content:space-between;align-items:center;gap:8px;min-width:0;display:flex}.side-p2 .side-text{flex-direction:row-reverse}.side-name{flex-direction:column;min-width:0;font-size:.95rem;font-weight:600;line-height:1.2;display:flex}.side-role{color:var(--color-ink-dim);text-overflow:ellipsis;white-space:nowrap;font-size:.82rem;font-weight:400;overflow:hidden}.side-count{font-family:var(--font-display);font-variant-numeric:tabular-nums lining-nums;font-size:1.7rem;font-weight:600;line-height:1}.tally-bar{background:var(--color-disc-white);border:1px solid var(--color-line-strong);border-radius:999px;grid-column:1/-1;height:8px;overflow:hidden}.tally-black{background:var(--color-disc-black);transform-origin:0;height:100%;transition:transform .42s cubic-bezier(.3,.7,.3,1);display:block}.hud-meta{color:var(--color-ink-dim);font-variant-numeric:tabular-nums;grid-column:1/-1;justify-content:space-between;gap:12px;font-size:.86rem;display:flex}.status-line{text-align:center;align-items:center;gap:8px;min-height:1.6em;margin:10px 0 8px;font-size:1.02rem;font-weight:600;display:flex}.status-line.is-over{color:var(--color-brass)}.sub-status{min-height:1lh;color:var(--color-ink-dim);text-align:center;margin:8px 0 0;font-size:.88rem}.turn-timer{width:var(--board-w);align-items:center;gap:10px;max-width:100%;height:22px;margin:-4px 0 6px;display:flex}.timer-track{background:var(--color-surface-3);border-radius:999px;flex:auto;height:6px;overflow:hidden}.timer-fill{background:var(--color-ink-dim);transform-origin:0;height:100%;display:block}.timer-track.mine .timer-fill{background:var(--color-brass)}.timer-track.low .timer-fill{background:var(--color-danger)}.timer-text{color:var(--color-ink-dim);font-variant-numeric:tabular-nums;text-align:right;min-width:3.5ch;font-size:.84rem}.board-shell{width:var(--board-w);background:linear-gradient(160deg, var(--color-frame-hi), var(--color-frame) 45%, var(--color-frame-lo));border-radius:14px;grid-template-rows:18px auto;grid-template-columns:18px minmax(0,1fr);max-width:100%;padding:6px 12px 12px 6px;display:grid;box-shadow:0 22px 50px #0204038c,inset 0 1px #fffdf61a}@supports (color:color-mix(in lab, red, red)){.board-shell{box-shadow:0 22px 50px color-mix(in srgb, var(--color-shadow) 55%, transparent), inset 0 1px 0 color-mix(in srgb, var(--color-highlight) 10%, transparent)}}.coords{color:var(--color-coord);-webkit-user-select:none;user-select:none;font-size:.72rem;font-weight:600;line-height:1;display:grid}.coords span{place-items:center;display:grid}.coords-top{grid-area:1/2;grid-template-columns:repeat(8,minmax(0,1fr));padding-inline:3px}.coords-left{grid-area:2/1;grid-template-rows:repeat(8,minmax(0,1fr));padding-block:3px}.board-felt{background:var(--color-felt-line);box-shadow:inset 0 0 0 1px var(--color-frame-lo);border-radius:4px;grid-area:2/2;position:relative}.board{flex-direction:column;gap:2px;padding:2px;display:flex;container-type:inline-size}.board-row{grid-template-columns:repeat(8,minmax(0,1fr));gap:2px;display:grid}.star{background:var(--color-felt-line);pointer-events:none;border-radius:50%;width:9px;height:9px;margin:-4.5px 0 0 -4.5px;position:absolute}.star-c3{top:25%;left:25%}.star-f3{top:25%;left:75%}.star-c6{top:75%;left:25%}.star-f6{top:75%;left:75%}.cell{aspect-ratio:1;background:radial-gradient(120% 120% at 30% 25%, #15845a8c, transparent 60%), var(--color-felt);border:0;border-radius:1px;min-width:0;padding:0;position:relative}@supports (color:color-mix(in lab, red, red)){.cell{background:radial-gradient(120% 120% at 30% 25%, color-mix(in srgb, var(--color-felt-hi) 55%, transparent), transparent 60%), var(--color-felt)}}.cell{color:inherit;font:inherit;cursor:default;perspective:520px;-webkit-tap-highlight-color:transparent}.cell:focus-visible{outline:3px solid var(--color-focus);outline-offset:-3px;z-index:2}.board.is-live .cell.is-legal{cursor:pointer}@media (hover:hover){.board.is-live .cell.is-legal:hover{background:var(--color-felt-hi)}}.board.is-live .cell.is-legal:active{background:var(--color-felt-deep)}.hint-ring{border:2px solid #eef1e86b;border-radius:50%;position:absolute;inset:34%}@supports (color:color-mix(in lab, red, red)){.hint-ring{border:2px solid color-mix(in srgb, var(--color-ink) 42%, transparent)}}.hint-ring{pointer-events:none;animation:.26s ease-out both hint-in}@keyframes hint-in{0%{opacity:0;transform:scale(.6)}}.flip-badge{font-variant-numeric:tabular-nums;pointer-events:none;border-radius:999px;padding:.12em .36em;font-size:clamp(9px,2.25cqi,12px);font-weight:700;line-height:1.2;position:absolute;bottom:5%;right:5%}.badge-p1{background:var(--color-disc-black);color:var(--color-disc-white)}.badge-p2{background:var(--color-disc-white);color:var(--color-disc-black)}.cell.is-preview{background:var(--color-felt-hi)}.cell.is-last:after{content:"";border:2px solid var(--color-brass);pointer-events:none;z-index:1;border-radius:50%;position:absolute;inset:40%}.cell.will-flip:before{content:"";box-shadow:0 0 0 2px var(--color-brass), 0 0 14px #e3bd638c;border-radius:50%;position:absolute;inset:4%}@supports (color:color-mix(in lab, red, red)){.cell.will-flip:before{box-shadow:0 0 0 2px var(--color-brass), 0 0 14px color-mix(in srgb, var(--color-brass) 55%, transparent)}}.cell.will-flip:before{pointer-events:none;z-index:1;animation:.9s ease-in-out infinite alternate chain-pulse}.cell.will-flip .disc{transform:rotateY(calc(var(--rot) + 32deg));transition:transform .16s ease-out}@keyframes chain-pulse{0%{opacity:.55}to{opacity:1}}.disc{--rot:0deg;transform-style:preserve-3d;transform:rotateY(var(--rot));pointer-events:none;border-radius:50%;position:absolute;inset:9%}.disc.is-white{--rot:180deg}.disc-face{backface-visibility:hidden;border-radius:50%;position:absolute;inset:0}.face-black{background:radial-gradient(circle at 34% 30%, var(--color-disc-black-hi), var(--color-disc-black) 52%, var(--color-disc-black-lo));box-shadow:0 2px 3px #0204038c,inset 0 -2px 3px #02040399}@supports (color:color-mix(in lab, red, red)){.face-black{box-shadow:0 2px 3px color-mix(in srgb, var(--color-shadow) 55%, transparent), inset 0 -2px 3px color-mix(in srgb, var(--color-shadow) 60%, transparent)}}.face-white{background:radial-gradient(circle at 34% 30%, var(--color-disc-white-hi), var(--color-disc-white) 52%, var(--color-disc-white-lo));transform:rotateY(180deg);box-shadow:0 2px 3px #02040373,inset 0 -2px 3px #b9b2a0cc}@supports (color:color-mix(in lab, red, red)){.face-white{box-shadow:0 2px 3px color-mix(in srgb, var(--color-shadow) 45%, transparent), inset 0 -2px 3px color-mix(in srgb, var(--color-disc-white-lo) 80%, transparent)}}.disc.side-disc,.disc.status-disc,.disc.disc-icon{flex:none;display:inline-block;position:relative;inset:auto}.disc.side-disc{width:30px;height:30px}.disc.status-disc{width:18px;height:18px}.disc.disc-icon{width:14px;height:14px}.disc.flip-to-white{animation:flip-to-white var(--flip-ms) cubic-bezier(.3, .7, .3, 1) var(--d,0s) both}.disc.flip-to-black{animation:flip-to-black var(--flip-ms) cubic-bezier(.3, .7, .3, 1) var(--d,0s) both}@keyframes flip-to-white{0%{transform:rotateY(0)scale(1)}50%{transform:rotateY(90deg)scale(1.14)}to{transform:rotateY(180deg)scale(1)}}@keyframes flip-to-black{0%{transform:rotateY(180deg)scale(1)}50%{transform:rotateY(270deg)scale(1.14)}to{transform:rotateY(360deg)scale(1)}}.disc.drop{animation:.24s cubic-bezier(.25,.9,.35,1.2) both drop-in}@keyframes drop-in{0%{transform:rotateY(var(--rot)) scale(1.4)}70%{transform:rotateY(var(--rot)) scale(.95)}to{transform:rotateY(var(--rot)) scale(1)}}.disc.drop .disc-face,.disc.appear .disc-face{animation:.14s ease-out both face-in}@keyframes face-in{0%{opacity:0}}.disc.appear{animation:.32s cubic-bezier(.25,.9,.35,1.2) both appear}@keyframes appear{0%{transform:rotateY(var(--rot)) scale(.2)}}.disc.ghost .disc-face{opacity:.45}.pass-toast{z-index:5;text-align:center;background:#0b1210eb;border-radius:14px;flex-direction:column;gap:4px;width:min(88%,380px);padding:14px 18px;display:flex;position:absolute;top:50%;left:50%}@supports (color:color-mix(in lab, red, red)){.pass-toast{background:color-mix(in srgb, var(--color-page) 92%, transparent)}}.pass-toast{border:1px solid var(--color-brass);box-shadow:0 10px 20px #0204038c}@supports (color:color-mix(in lab, red, red)){.pass-toast{box-shadow:0 10px 20px color-mix(in srgb, var(--color-shadow) 55%, transparent)}}.pass-toast{pointer-events:none;animation:2.6s both toast;transform:translate(-50%,-50%)}.pass-toast strong{font-family:var(--font-display);color:var(--color-brass);font-size:clamp(1rem,.9rem + 1cqi,1.3rem);font-weight:600;line-height:1.2}.pass-toast span{color:var(--color-ink);font-size:.92rem}@keyframes toast{0%{opacity:0;transform:translate(-50%,-40%)scale(.94)}10%,85%{opacity:1;transform:translate(-50%,-50%)scale(1)}to{opacity:0;transform:translate(-50%,-50%)scale(.98)}}.result-card{width:var(--board-w);border-radius:var(--radius-card);text-align:center;max-width:100%;color:var(--color-ink);background:var(--color-surface);border:1px solid var(--color-line-strong);animation:rise-in .36s cubic-bezier(.16, 1, .3, 1) var(--d,0s) both;flex-direction:column;align-items:center;gap:6px;margin-top:14px;padding:14px 16px;display:flex}.result-title{font-family:var(--font-display);margin:0;font-size:1.35rem;font-weight:600}.result-count{font-variant-numeric:tabular-nums;align-items:baseline;gap:10px;margin:0;font-weight:600;display:flex}.result-notice{color:var(--color-ink-dim);max-width:48ch;margin:0;font-size:.9rem}.result-card .btn{min-width:180px;margin-top:6px}@keyframes rise-in{0%{opacity:0;transform:translateY(8px)}}@keyframes fade-in{0%{opacity:0}}.panel{color:var(--color-ink);background:var(--color-surface);border:1px solid var(--color-line);border-radius:var(--radius-card);flex-direction:column;gap:14px;min-width:0;padding:16px;display:flex}.mode-grid{grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:8px;display:grid}.mode-btn{border-radius:var(--radius-control);border:1px solid var(--color-line);background:var(--color-surface-2);color:var(--color-ink);font:inherit;text-align:left;cursor:pointer;flex-direction:column;align-items:flex-start;gap:6px;min-height:66px;padding:10px 12px;font-size:.92rem;font-weight:600;line-height:1.25;transition:border-color .14s,background-color .14s;display:flex}.mode-btn:hover{border-color:var(--color-line-strong);background:var(--color-surface-3)}.mode-btn:active{transform:translateY(1px)}.mode-btn[aria-pressed=true]{border-color:var(--color-brass);background:#303828}@supports (color:color-mix(in lab, red, red)){.mode-btn[aria-pressed=true]{background:color-mix(in srgb, var(--color-brass) 11%, var(--color-surface-2))}}.mode-btn .icon{color:var(--color-brass)}.mode-hint{color:var(--color-ink-dim);margin:-4px 0 0;font-size:.88rem}.settings,.prefs,.room-info{flex-direction:column;gap:12px;display:flex}.prefs{border-top:1px solid var(--color-line);gap:4px;padding-top:12px}.field{flex-direction:column;gap:6px;display:flex}.field-label{color:var(--color-ink-dim);font-size:.86rem}.segmented{border-radius:var(--radius-control);border:1px solid var(--color-line);background:var(--color-page-2);gap:3px;padding:3px;display:flex}.seg-btn{min-width:0;min-height:40px;color:var(--color-ink-dim);font:inherit;cursor:pointer;background:0 0;border:0;border-radius:7px;flex-direction:column;flex:1 1 0;justify-content:center;align-items:center;gap:2px;padding:7px 6px;font-size:.9rem;line-height:1.25;transition:background-color .14s,color .14s;display:flex}.seg-main{align-items:center;gap:6px;display:inline-flex}.seg-sub{color:var(--color-ink-faint);font-size:.74rem;line-height:1.2}.seg-btn:hover{color:var(--color-ink)}.seg-btn[aria-pressed=true]{background:var(--color-surface-3);color:var(--color-ink);box-shadow:inset 0 0 0 1px var(--color-brass)}.seg-btn[aria-pressed=true] .seg-sub{color:var(--color-brass)}.actions{flex-wrap:wrap;gap:8px;display:flex}.actions .btn{flex:auto}.btn{border-radius:var(--radius-control);min-height:44px;font:inherit;cursor:pointer;border:1px solid #0000;justify-content:center;align-items:center;gap:8px;padding:10px 14px;font-size:.95rem;font-weight:600;line-height:1.2;text-decoration:none;transition:background-color .14s,border-color .14s,color .14s;display:inline-flex}.btn:active:not(:disabled){transform:translateY(1px)}.btn:disabled{opacity:.55;cursor:default}.btn-primary{background:var(--color-brass);color:var(--color-on-brass)}.btn-primary:not(:disabled):hover{background:#e8c97d}@supports (color:color-mix(in lab, red, red)){.btn-primary:not(:disabled):hover{background:color-mix(in srgb, var(--color-brass) 82%, var(--color-highlight))}}.btn-secondary{background:var(--color-surface-2);border-color:var(--color-line);color:var(--color-ink)}.btn-secondary:not(:disabled):hover{border-color:var(--color-line-strong);background:var(--color-surface-3)}.btn-quiet{color:var(--color-ink-dim);background:0 0}.btn-quiet:hover{color:var(--color-ink);background:var(--color-surface-2)}.btn-danger{background:var(--color-danger);color:var(--color-on-danger)}.btn-compact{flex:none;padding:8px 12px}.toggle{min-height:36px;color:var(--color-ink-dim);font:inherit;text-align:left;cursor:pointer;background:0 0;border:0;align-items:center;gap:10px;padding:4px 2px;font-size:.92rem;display:inline-flex}.toggle:hover{color:var(--color-ink)}.toggle-track{background:var(--color-surface-3);border:1px solid var(--color-line-strong);border-radius:999px;flex:none;width:36px;height:22px;transition:background-color .14s,border-color .14s;position:relative}.toggle-thumb{background:var(--color-ink-dim);border-radius:50%;width:14px;height:14px;transition:transform .14s,background-color .14s;position:absolute;top:3px;left:3px}.toggle[aria-checked=true]{color:var(--color-ink)}.toggle[aria-checked=true] .toggle-track{background:#6f6a41}@supports (color:color-mix(in lab, red, red)){.toggle[aria-checked=true] .toggle-track{background:color-mix(in srgb, var(--color-brass) 40%, var(--color-surface-3))}}.toggle[aria-checked=true] .toggle-track{border-color:var(--color-brass)}.toggle[aria-checked=true] .toggle-thumb{background:var(--color-ink);transform:translate(14px)}.invite{border-radius:var(--radius-control);background:var(--color-surface-2);border:1px solid var(--color-line-strong);flex-direction:column;gap:8px;padding:12px;display:flex}.invite-intro{margin:0;font-size:.9rem}.invite-row{gap:6px;min-width:0;display:flex}.invite-input{border:1px solid var(--color-line);background:var(--color-page-2);min-width:0;color:var(--color-ink);font-family:var(--font-mono);border-radius:8px;flex:auto;padding:8px 10px;font-size:.82rem}.room-code{margin:0;font-size:.92rem}.room-code code{font-family:var(--font-mono);color:var(--color-ink);font-size:1rem;font-weight:700}.error-text{color:var(--color-danger);margin:0;font-size:.9rem}.mm-backdrop{z-index:60;background:#0b1210bd;place-items:center;padding:16px;display:grid;position:fixed;inset:0}@supports (color:color-mix(in lab, red, red)){.mm-backdrop{background:color-mix(in srgb, var(--color-page) 74%, transparent)}}.mm-backdrop{backdrop-filter:blur(6px);animation:.18s ease-out fade-in}.mm-dialog{text-align:center;border:1px solid var(--color-line-strong);background:var(--color-surface);border-radius:20px;flex-direction:column;align-items:center;gap:10px;width:min(420px,100%);max-height:calc(100svh - 32px);padding:24px 22px 18px;display:flex;overflow-y:auto;box-shadow:0 16px 22px #02040399}@supports (color:color-mix(in lab, red, red)){.mm-dialog{box-shadow:0 16px 22px color-mix(in srgb, var(--color-shadow) 60%, transparent)}}.mm-dialog{animation:.22s cubic-bezier(.16,1,.3,1) rise-in}.mm-title{font-family:var(--font-display);margin:0;font-size:1.3rem;font-weight:600}.mm-spinner{background:radial-gradient(circle at 50% 45%, var(--color-felt-hi), var(--color-felt) 60%, var(--color-felt-deep));perspective:420px;border-radius:16px;place-items:center;width:132px;height:120px;margin:4px 0 0;display:grid;position:relative}.mm-disc{width:64px;height:64px;transform-style:preserve-3d;border-radius:50%;animation:1.8s cubic-bezier(.6,0,.3,1) infinite mm-flip;position:relative}.mm-shadow{background:#02040373;border-radius:50%;width:62px;height:12px;position:absolute;bottom:18px;left:calc(50% - 31px)}@supports (color:color-mix(in lab, red, red)){.mm-shadow{background:color-mix(in srgb, var(--color-shadow) 45%, transparent)}}.mm-shadow{animation:1.8s cubic-bezier(.6,0,.3,1) infinite mm-shadow}@keyframes mm-flip{0%{transform:translateY(0)rotateY(0)}25%{transform:translateY(-14px)rotateY(90deg)}50%{transform:translateY(0)rotateY(180deg)}75%{transform:translateY(-14px)rotateY(270deg)}to{transform:translateY(0)rotateY(360deg)}}@keyframes mm-shadow{0%,50%,to{opacity:1;transform:scaleX(1)}25%,75%{opacity:.6;transform:scaleX(.7)}}.mm-status{margin:4px 0 0;font-weight:600}.mm-timer{flex-direction:column;align-items:center;margin:0;display:flex}.mm-timer-label{color:var(--color-ink-faint);font-size:.84rem}.mm-timer-value{font-family:var(--font-display);font-variant-numeric:tabular-nums lining-nums;font-size:2.1rem;font-weight:600;line-height:1.1}.mm-ai{width:100%;margin-top:8px;padding:14px 16px;font-size:1.05rem}.mm-hint{color:var(--color-ink-dim);margin:0;font-size:.86rem}.mm-cancel{margin-top:2px}:root{color-scheme:dark;--container:1180px;--gutter:16px;--radius-card:14px;--radius-control:10px}html,body{overflow-x:clip}html{background:var(--color-page);-webkit-text-size-adjust:100%;scroll-behavior:smooth;scrollbar-color:var(--color-line-strong) var(--color-page)}body{background:radial-gradient(1100px 520px at 50% -220px, #0e6a4538, transparent 72%), var(--color-page);margin:0}@supports (color:color-mix(in lab, red, red)){body{background:radial-gradient(1100px 520px at 50% -220px, color-mix(in srgb, var(--color-felt) 22%, transparent), transparent 72%), var(--color-page)}}body{color:var(--color-ink);font-family:var(--font-sans);min-height:100vh;caret-color:var(--color-brass);font-size:1rem;line-height:1.6}::selection{background:#e3bd6366}@supports (color:color-mix(in lab, red, red)){::selection{background:color-mix(in srgb, var(--color-brass) 40%, transparent)}}::selection{color:var(--color-ink)}a{color:inherit}:lang(ko){word-break:keep-all;overflow-wrap:break-word}:focus-visible{outline:3px solid var(--color-focus);outline-offset:2px;transition:none}.container-page{width:100%;max-width:var(--container);padding-inline:var(--gutter);margin-inline:auto}@media (width>=768px){:root{--gutter:24px}}.skip-link{z-index:100;background:var(--color-focus);color:var(--color-page);border-radius:8px;padding:8px 14px;font-weight:600;text-decoration:none;position:absolute;top:12px;left:12px;transform:translateY(-80px)}.skip-link:focus-visible{transform:none}.site-header{border-bottom:1px solid #24352cb3}@supports (color:color-mix(in lab, red, red)){.site-header{border-bottom:1px solid color-mix(in srgb, var(--color-line) 70%, transparent)}}.site-header{background:#0b1210e0}@supports (color:color-mix(in lab, red, red)){.site-header{background:color-mix(in srgb, var(--color-page) 88%, transparent)}}.site-header{backdrop-filter:blur(8px);z-index:30;position:sticky;top:0}.brand{font-family:var(--font-display);align-items:center;gap:10px;min-width:0;font-size:1.12rem;font-weight:600;text-decoration:none;display:inline-flex}.brand-mark{flex:none;width:28px;height:28px}.nav-link{color:var(--color-ink-dim);border-radius:8px;padding:6px 8px;font-size:.94rem;text-decoration:none}.nav-link:hover{color:var(--color-ink);background:var(--color-surface)}.lang-menu{position:relative}.lang-menu summary{white-space:nowrap;cursor:pointer;border:1px solid var(--color-line);color:var(--color-ink-dim);border-radius:8px;align-items:center;gap:6px;padding:6px 10px;font-size:.92rem;list-style:none;display:inline-flex}.lang-menu summary:hover{color:var(--color-ink)}.lang-menu summary::-webkit-details-marker{display:none}.lang-menu[open] summary{color:var(--color-ink);border-color:var(--color-line-strong)}.lang-list{border:1px solid var(--color-line);background:var(--color-surface);border-radius:12px;min-width:150px;margin:0;padding:6px;list-style:none;position:absolute;top:calc(100% + 6px);right:0;box-shadow:0 10px 20px #02040373}@supports (color:color-mix(in lab, red, red)){.lang-list{box-shadow:0 10px 20px color-mix(in srgb, var(--color-shadow) 45%, transparent)}}.lang-list a{color:var(--color-ink-dim);border-radius:8px;padding:8px 10px;text-decoration:none;display:block}.lang-list a:hover,.lang-list a[aria-current=page]{background:var(--color-surface-2);color:var(--color-ink)}.icon{fill:none;stroke:currentColor;stroke-width:1.8px;stroke-linecap:round;stroke-linejoin:round;flex:none;width:18px;height:18px}.hero-title{font-family:var(--font-display);letter-spacing:-.01em;overflow-wrap:break-word;text-wrap:balance;min-width:0;margin:0;font-size:clamp(1.5rem,1.15rem + 1.5vw,2.25rem);font-weight:600;line-height:1.12}.hero-tagline{color:var(--color-ink-dim);text-wrap:pretty;max-width:70ch;margin:4px 0 0;font-size:clamp(.98rem,.92rem + .3vw,1.08rem)}.ad-slot,.ad-slot ins.adsbygoogle{min-height:250px;display:block}.ad-slot ins.adsbygoogle[data-ad-status=unfilled]{display:none!important}.guide{max-width:760px}.guide h2{font-family:var(--font-display);overflow-wrap:break-word;text-wrap:balance;min-width:0;margin:0 0 14px;font-size:clamp(1.4rem,1.2rem + .8vw,1.85rem);font-weight:600;line-height:1.22}.guide h3{font-family:var(--font-display);text-wrap:balance;margin:30px 0 8px;font-size:1.18rem;font-weight:600;line-height:1.35}.guide p,.guide li{color:#e6eae1}@supports (color:color-mix(in lab, red, red)){.guide p,.guide li{color:color-mix(in srgb, var(--color-ink) 88%, var(--color-ink-dim))}}.guide p,.guide li{text-wrap:pretty}.guide p{max-width:68ch;margin:0 0 12px}.guide ul{margin:0 0 12px;padding-left:1.3em;list-style:outside}.guide li{margin:4px 0}.guide-section{border-top:1px solid var(--color-line);padding-block:44px;scroll-margin-top:72px}.figure-row{grid-template-columns:repeat(auto-fit,minmax(min(100%,230px),1fr));gap:16px;margin:20px 0;display:grid}.diagram{min-width:0;margin:0}.diagram figcaption{color:var(--color-ink-dim);text-wrap:pretty;margin-top:10px;font-size:.94rem}.strategy-item{grid-template-columns:minmax(0,1fr);align-items:start;gap:20px;margin-top:34px;display:grid}@media (width>=760px){.strategy-item{grid-template-columns:minmax(0,1fr) 240px}}.strategy-item h3{margin-top:0}.mini-board{border-radius:10px;width:100%;height:auto;display:block}.mb-frame{fill:var(--color-frame)}.mb-felt{fill:var(--color-felt)}.mb-line{stroke:var(--color-felt-line);stroke-width:.6px}.mb-star{fill:var(--color-felt-line)}.mb-black{fill:var(--color-disc-black);stroke:var(--color-disc-black-lo);stroke-width:.6px}.mb-white{fill:var(--color-disc-white);stroke:var(--color-disc-white-lo);stroke-width:.6px}.mb-legal{fill:none;stroke:var(--color-ink);stroke-opacity:.75;stroke-width:1.2px}.mb-placed{fill:none;stroke:var(--color-brass);stroke-width:1.6px}.mb-flipped{fill:var(--color-brass)}.mb-x{fill:var(--color-danger);fill-opacity:.55}.mb-c{fill:var(--color-brass);fill-opacity:.4}.mb-stable{fill:var(--color-felt-hi);stroke:var(--color-brass);stroke-width:.8px}.mb-coord{fill:var(--color-coord);font-family:var(--font-sans);font-size:4.2px}.mb-mark-text{font-family:var(--font-sans);font-size:4.4px;font-weight:700}.mb-mark-x{fill:var(--color-highlight)}.mb-mark-c{fill:var(--color-on-brass)}.faq-item{border:1px solid var(--color-line);background:var(--color-surface);border-radius:12px;margin:10px 0}.faq-item summary{cursor:pointer;justify-content:space-between;align-items:center;gap:12px;padding:14px 16px;font-weight:600;list-style:none;display:flex}.faq-item summary:hover{color:var(--color-brass)}.faq-item summary::-webkit-details-marker{display:none}.faq-item summary:after{content:"+";color:var(--color-ink-faint);flex:none;font-weight:400}.faq-item[open] summary:after{content:"–"}.faq-item p{margin:0;padding:0 16px 14px}.legal h1{font-family:var(--font-display);overflow-wrap:break-word;text-wrap:balance;min-width:0;margin:0 0 6px;font-size:clamp(1.6rem,1.3rem + 1.2vw,2.2rem);font-weight:600;line-height:1.2}.legal .updated{color:var(--color-ink-faint);margin:0 0 24px;font-size:.94rem}.legal h2{font-family:var(--font-display);margin:30px 0 8px;font-size:1.2rem;font-weight:600}.legal p,.legal li{color:#e6eae1}@supports (color:color-mix(in lab, red, red)){.legal p,.legal li{color:color-mix(in srgb, var(--color-ink) 88%, var(--color-ink-dim))}}.legal p,.legal li{text-wrap:pretty}.legal ul{padding-left:1.3em;list-style:outside}.legal a,.guide a{color:var(--color-brass);text-underline-offset:.18em;text-decoration-thickness:1px}.site-footer{border-top:1px solid var(--color-line);color:var(--color-ink-faint);font-size:.94rem}.site-footer a{color:var(--color-ink-dim);text-decoration:none}.site-footer a:hover{color:var(--color-ink);text-decoration:underline}@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,:before,:after{transition-duration:1ms!important;animation-duration:1ms!important;animation-iteration-count:1!important;animation-delay:0s!important}}@property --tw-rotate-x{syntax:"*";inherits:false}@property --tw-rotate-y{syntax:"*";inherits:false}@property --tw-rotate-z{syntax:"*";inherits:false}@property --tw-skew-x{syntax:"*";inherits:false}@property --tw-skew-y{syntax:"*";inherits:false}@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}.bm-felt[data-astro-cid-77qc4tpx]{fill:var(--color-felt);stroke:var(--color-frame-hi);stroke-width:1.5px}.bm-white[data-astro-cid-77qc4tpx]{fill:var(--color-disc-white)}.bm-black[data-astro-cid-77qc4tpx]{fill:var(--color-disc-black);stroke:var(--color-felt);stroke-width:1.2px}