/*! tailwindcss v4.2.1 | MIT License | https://tailwindcss.com */
@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}.relative{position:relative}.start{inset-inline-start:var(--spacing)}.grid{display:grid}.table{display:table}.antialiased{-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}}:root{--ink:#12171b;--muted:#66717a;--paper:#f0eee8;--panel:#fbfaf6;--blue:#365d78;--blue-deep:#223f54;--grey-square:#c3c9cc;--red:#9d302c;--red-deep:#76231f;--gold:#b79353;--line:#c9c7bf;--black:#090b0d}*{box-sizing:border-box}html{background:var(--paper)}body{background:radial-gradient(circle at 12% 5%, #365d7814, transparent 34rem), linear-gradient(180deg, #f5f3ed 0%, var(--paper) 100%);color:var(--ink);margin:0;font-family:Arial,Helvetica,sans-serif}button,a{-webkit-tap-highlight-color:transparent}button{font:inherit}button:focus-visible,a:focus-visible{outline-offset:3px;outline:3px solid #d89d30}.archive-page{width:min(100%,1320px);min-height:100vh;margin:0 auto;padding:28px clamp(18px,4vw,56px) 38px}.archive-header{border-bottom:1px solid var(--line);justify-content:space-between;align-items:center;gap:24px;padding-bottom:23px;display:flex}.archive-mark{text-transform:uppercase;letter-spacing:.12em;align-items:center;gap:13px;display:flex}.archive-mark__icon{border:2px solid var(--ink);background:var(--ink);color:#f7f4eb;place-items:center;width:42px;height:42px;font-family:Georgia,Times New Roman,serif;font-size:27px;line-height:1;display:grid}.archive-mark strong,.archive-mark small{display:block}.archive-mark strong{font-size:12px;font-weight:800}.archive-mark small{color:var(--muted);letter-spacing:.18em;margin-top:4px;font-size:9px;font-weight:700}.download-button{min-height:42px;color:var(--ink);cursor:pointer;letter-spacing:.04em;text-transform:uppercase;background:#ffffff73;border:1px solid #a9a79f;align-items:center;gap:9px;padding:0 16px;font-size:12px;font-weight:800;text-decoration:none;transition:background .16s,color .16s,transform .16s;display:inline-flex}.download-button:hover{background:var(--ink);color:#fff;transform:translateY(-1px)}.download-button span{color:var(--red);font-size:18px;line-height:0}.game-heading{justify-content:space-between;align-items:flex-end;gap:32px;padding:clamp(27px,4vw,50px) 0 26px;display:flex}.eyebrow,.panel-kicker,.puzzle-label{color:var(--red);letter-spacing:.17em;text-transform:uppercase;margin:0 0 10px;font-size:10px;font-weight:800}.game-heading h1{letter-spacing:-.055em;margin:0;font-family:Georgia,Times New Roman,serif;font-size:clamp(38px,6vw,72px);font-weight:500;line-height:.98}.game-heading h1 span{color:var(--muted);letter-spacing:-.02em;font-size:.52em;font-style:italic;font-weight:400}.game-deck{color:#4e5960;max-width:670px;margin:15px 0 0;font-family:Georgia,Times New Roman,serif;font-size:clamp(15px,1.6vw,19px);line-height:1.55}.result-stamp{border-top:3px solid var(--ink);border-bottom:1px solid var(--ink);align-items:center;gap:13px;min-width:142px;padding:11px 14px 9px;font-family:Georgia,Times New Roman,serif;font-size:32px;font-weight:700;display:flex}.result-stamp i{color:var(--red);font-size:20px;font-style:normal}.mode-tabs{border:1px solid var(--ink);background:var(--panel);grid-template-columns:1fr 1fr;display:grid}.mode-tab{min-height:58px;color:var(--ink);cursor:pointer;letter-spacing:.08em;text-align:left;text-transform:uppercase;background:0 0;border:0;align-items:center;gap:13px;padding:0 20px;font-size:12px;font-weight:800;transition:background .16s,color .16s;display:flex}.mode-tab+.mode-tab{border-left:1px solid var(--ink)}.mode-tab:hover{background:#e4e5e0}.mode-tab.is-active{background:var(--ink);color:#fff}.tab-number{color:var(--red);font-family:Georgia,Times New Roman,serif;font-size:11px}.mode-tab.is-active .tab-number{color:#e7b2ad}.experience-grid{grid-template-columns:minmax(420px,.98fr) minmax(360px,.82fr);align-items:start;gap:clamp(25px,4.5vw,62px);padding-top:clamp(28px,4vw,46px);display:grid}.board-column{min-width:0}.player-strip{border-right:2px solid var(--black);border-left:2px solid var(--black);background:#e1e0db;align-items:center;gap:12px;min-height:52px;padding:9px 14px;display:flex}.player-strip--black{border-top:2px solid var(--black);background:var(--ink);color:#fff}.player-strip--white{border-bottom:2px solid var(--black)}.player-strip strong,.player-strip small{display:block}.player-strip strong{font-family:Georgia,Times New Roman,serif;font-size:15px}.player-strip small{color:#68727a;letter-spacing:.07em;text-transform:uppercase;margin-top:2px;font-size:9px;font-weight:700}.player-strip--black small{color:#aeb7bd}.player-piece{font-family:Georgia,Times New Roman,serif;font-size:28px;line-height:1}.board-frame{aspect-ratio:1;border:5px solid var(--black);background:var(--black);grid-template:".top."24px"left board right"1fr".bottom."24px/24px 1fr 24px;width:100%;padding:7px;display:grid;box-shadow:0 18px 42px #171d222e}.chessboard{border:1px solid #000;grid-area:board;grid-template-rows:repeat(8,1fr);grid-template-columns:repeat(8,1fr);min-width:0;min-height:0;display:grid;overflow:hidden}.coordinates{color:#fff;letter-spacing:.02em;text-transform:uppercase;-webkit-user-select:none;user-select:none;font-size:9px;font-weight:800;display:grid}.coordinates span{place-items:center;display:grid}.coordinates--files{grid-template-columns:repeat(8,1fr)}.coordinates--ranks{grid-template-rows:repeat(8,1fr)}.coordinates--top{grid-area:top}.coordinates--bottom{grid-area:bottom}.coordinates--left{grid-area:left}.coordinates--right{grid-area:right}.square{cursor:pointer;border:0;border-radius:0;place-items:center;min-width:0;min-height:0;transition:filter .12s,box-shadow .12s;display:grid;position:relative;overflow:hidden}.square:disabled{cursor:wait}.square--light{background:var(--grey-square)}.square--dark{background:var(--blue)}.square--last:before{content:"";background:#d6a53a54;position:absolute;inset:0}.square--selected{z-index:2;box-shadow:inset 0 0 0 4px #e2b04e}.square--hint{z-index:3;animation:1.1s ease-in-out infinite alternate hint-pulse;box-shadow:inset 0 0 0 4px #d55c50}.square:hover{filter:brightness(1.07)}.piece{z-index:2;pointer-events:none;-webkit-user-select:none;user-select:none;font-family:Arial Unicode MS,"Noto Sans Symbols 2",Georgia,serif;font-size:clamp(35px,6.2vw,68px);line-height:1;position:relative;transform:translateY(-1%)}.piece--white{color:#f9f7ee;filter:drop-shadow(0 1px #111)drop-shadow(0 0 1px #111)}.piece--black{color:#111518;filter:drop-shadow(0 1px #fff3)}.target-dot{z-index:3;aspect-ratio:1;background:#0c111473;border-radius:50%;width:21%;position:absolute}.target-ring{z-index:3;border:clamp(3px,.5vw,6px) solid #871f1cb8;border-radius:50%;position:absolute;inset:5%}.board-actions{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px;min-height:48px;padding-top:12px;display:flex}.text-button{color:#3e4a51;cursor:pointer;letter-spacing:.08em;text-transform:uppercase;background:0 0;border:0;border-bottom:1px solid #0000;align-items:center;gap:7px;padding:7px 0;font-size:10px;font-weight:800;display:inline-flex}.text-button:hover{border-bottom-color:currentColor}.text-button--accent{color:var(--red)}.side-panel{border-top:4px solid var(--ink);min-width:0}.panel-heading{border-bottom:1px solid var(--line);justify-content:space-between;align-items:flex-start;gap:18px;padding:17px 0 15px;display:flex}.panel-heading h2{margin:0;font-family:Georgia,Times New Roman,serif;font-size:25px;font-weight:500}.panel-kicker{margin-bottom:5px}.turn-pill{color:#48545b;letter-spacing:.09em;text-transform:uppercase;border:1px solid #aeb3b3;flex:none;padding:7px 9px;font-size:8px;font-weight:800}.moves-scroll{scrollbar-color:#9ca3a7 transparent;scrollbar-width:thin;height:min(330px,38vh);padding:8px 6px 8px 0;overflow-y:auto}.move-row{border-bottom:1px solid #dcdbd5;grid-template-columns:38px 1fr 1fr;align-items:center;min-height:32px;display:grid}.move-number{color:#7d8589;font-family:Georgia,Times New Roman,serif;font-size:12px}.move-button{color:#1f282e;cursor:pointer;text-align:left;background:0 0;border:0;min-height:28px;padding:4px 9px;font-family:Georgia,Times New Roman,serif;font-size:13px}.move-button:hover{background:#dedfdc}.move-button.is-active{background:var(--blue-deep);color:#fff;font-weight:700}.transport{border:1px solid var(--ink);grid-template-columns:repeat(5,1fr);margin-top:8px;display:grid}.transport button{min-height:43px;color:var(--ink);cursor:pointer;background:#f8f7f2;border:0;border-right:1px solid #999e9f;font-size:16px}.transport button:last-child{border-right:0}.transport button:hover{background:#e4e5e0}.transport .transport__play{background:var(--ink);color:#fff;font-size:13px}.transport .transport__play:hover{background:var(--blue-deep)}.commentary-card{border-left:5px solid var(--red);background:var(--panel);margin-top:22px;padding:21px 23px 24px;box-shadow:0 8px 22px #1f262b12}.commentary-card>p:first-child{color:var(--red);letter-spacing:.14em;text-transform:uppercase;margin:0;font-size:9px;font-weight:800}.commentary-card h3{margin:7px 0 10px;font-family:Georgia,Times New Roman,serif;font-size:22px;font-weight:500}.commentary-rule{background:var(--gold);width:44px;height:2px;margin:13px 0}.commentary-copy{color:#4b565d;margin:0;font-family:Georgia,Times New Roman,serif;font-size:14px;line-height:1.65}.puzzle-panel{min-height:630px}.puzzle-prompt{border-bottom:1px solid var(--line);grid-template-columns:73px 1fr;gap:19px;padding:28px 0 25px;display:grid}.puzzle-number{background:var(--red);color:#fff;place-items:center;width:73px;height:73px;font-family:Georgia,Times New Roman,serif;font-size:31px;display:grid}.puzzle-prompt h3{margin:0;font-family:Georgia,Times New Roman,serif;font-size:23px;font-weight:500;line-height:1.2}.puzzle-prompt>div>p:last-child{color:#586269;margin:10px 0 0;font-size:12px;line-height:1.55}.puzzle-progress{grid-template-columns:repeat(5,1fr);gap:6px;padding:18px 0 15px;display:grid}.puzzle-progress span{background:#c9ccca;height:5px;transition:background .2s}.puzzle-progress span.is-complete{background:var(--red)}.puzzle-feedback{background:#ffffff80;border:1px solid #b9bcbb;align-items:center;gap:12px;min-height:58px;padding:13px 15px;display:flex}.puzzle-feedback>span{color:var(--red);font-size:24px}.puzzle-feedback p{color:#3f4a50;margin:0;font-size:12px;font-weight:700;line-height:1.45}.puzzle-feedback--solved{background:#e6eee7;border-color:#53715c}.puzzle-feedback--solved>span{color:#3e6848}.puzzle-buttons{grid-template-columns:1.3fr .7fr;gap:10px;margin-top:13px;display:grid}.primary-button,.secondary-button{cursor:pointer;letter-spacing:.08em;text-transform:uppercase;min-height:45px;padding:0 16px;font-size:10px;font-weight:800}.primary-button{border:1px solid var(--red-deep);background:var(--red);color:#fff}.primary-button:hover{background:var(--red-deep)}.primary-button:disabled{cursor:wait;opacity:.65}.secondary-button{border:1px solid var(--ink);color:var(--ink);background:0 0}.secondary-button:hover{background:var(--ink);color:#fff}.solution-card{background:#f8faf6;border-top:3px solid #45614c;margin-top:17px;padding:19px 20px}.solution-card h3{margin:7px 0 9px;font-family:Georgia,Times New Roman,serif;font-size:20px}.solution-card>p:not(.panel-kicker){color:#4d5952;margin:0 0 16px;font-family:Georgia,Times New Roman,serif;font-size:13px;line-height:1.6}.puzzle-panel blockquote{border-top:1px solid var(--line);border-left:3px solid var(--gold);color:#303b42;margin:26px 0 0;padding:18px 0 0 20px;font-family:Georgia,Times New Roman,serif;font-size:17px;font-style:italic;line-height:1.5}.puzzle-panel blockquote cite{color:#7b8386;letter-spacing:.12em;text-transform:uppercase;margin-top:8px;font-family:Arial,Helvetica,sans-serif;font-size:8px;font-style:normal;font-weight:800;display:block}.archive-footer{border-top:1px solid var(--line);grid-template-columns:1fr auto;align-items:end;gap:34px;margin-top:45px;padding-top:19px;display:grid}.archive-footer p{color:#677177;max-width:760px;margin:0;font-size:10px;line-height:1.6}.archive-footer a{color:var(--blue-deep);font-weight:700}.opening-code{align-items:center;gap:12px;display:flex}.opening-code span{background:var(--blue-deep);color:#fff;padding:7px 9px;font-family:Georgia,Times New Roman,serif;font-weight:700}.opening-code small{color:#59646a;letter-spacing:.08em;text-transform:uppercase;font-size:8px;font-weight:800}@keyframes hint-pulse{0%{filter:brightness()}to{filter:brightness(1.18)}}@media (width<=920px){.experience-grid{grid-template-columns:minmax(0,1fr)}.board-column,.side-panel{width:min(100%,680px);margin:0 auto}.piece{font-size:clamp(35px,10vw,68px)}}@media (width<=620px){.archive-page{padding:18px 12px 28px}.archive-header{align-items:flex-start}.archive-mark strong{font-size:10px}.archive-mark small{display:none}.download-button{justify-content:center;width:44px;min-width:44px;padding:0;font-size:0}.download-button span{font-size:20px}.game-heading{flex-direction:column;align-items:flex-start;gap:18px}.game-heading h1 span{margin:5px 0;display:block}.result-stamp{min-width:112px;font-size:25px}.mode-tab{min-height:61px;padding:0 12px;font-size:10px}.tab-number{display:none}.board-frame{border-width:3px;grid-template-rows:18px 1fr 18px;grid-template-columns:18px 1fr 18px;padding:4px}.coordinates{font-size:7px}.piece{font-size:clamp(30px,11.5vw,55px)}.player-strip{padding-left:9px;padding-right:9px}.player-strip strong{font-size:13px}.panel-heading{flex-direction:column}.puzzle-prompt{grid-template-columns:58px 1fr;gap:14px}.puzzle-number{width:58px;height:58px;font-size:25px}.puzzle-prompt h3{font-size:19px}.archive-footer{grid-template-columns:1fr}}@media (prefers-reduced-motion:reduce){*,:before,:after{scroll-behavior:auto!important;transition-duration:.01ms!important;animation-duration:.01ms!important;animation-iteration-count:1!important}}