/*! 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}.start{inset-inline-start:var(--spacing)}.grid{display:grid}.hidden{display:none}.table{display:table}}:root{--ink:#18302d;--muted:#667671;--paper:#f8f3e8;--card:#fffdf8;--accent:#d65e47;--gold:#f3bb61;--line:#ded9cc;--shadow:0 24px 70px #1e302d1f}*{box-sizing:border-box}html{background:var(--paper);color:var(--ink)}body{min-height:100vh;font-family:var(--font-sans),sans-serif;background:radial-gradient(circle at 8% 5%,#f3bb612e,transparent 24rem),var(--paper);margin:0}button,input,textarea,select{font:inherit}button,a{-webkit-tap-highlight-color:transparent}a{color:inherit;text-decoration:none}:focus-visible{outline-offset:3px;outline:3px solid #167a70}.brand-mark{background:var(--gold);width:46px;height:34px;color:var(--ink);font:800 14px var(--font-display);letter-spacing:-.06em;border-radius:10px;place-items:center;display:inline-grid;box-shadow:inset -4px -4px #d65e4724}.brand-mark.large{border-radius:18px;width:72px;height:60px;font-size:22px}.eyebrow{color:var(--accent);letter-spacing:.18em;margin:0 0 12px;font-size:.72rem;font-weight:800}.primary-button,.secondary-button{cursor:pointer;border:0;border-radius:14px;justify-content:center;align-items:center;gap:14px;min-height:48px;padding:0 22px;font-weight:800;display:inline-flex}.primary-button{background:var(--ink);color:#fff;box-shadow:0 9px 25px #18302d2e}.primary-button:hover{background:#25433f;transform:translateY(-1px)}.primary-button:disabled{opacity:.55;cursor:wait;transform:none}.secondary-button{border:1px solid var(--line);background:var(--card)}.quiet-button{min-height:44px;color:var(--muted);cursor:pointer;text-underline-offset:5px;background:0 0;border:0;font-weight:700;text-decoration:underline}.welcome{grid-template-columns:minmax(0,1.15fr) minmax(360px,.85fr);min-height:100vh;display:grid;overflow:hidden}.welcome-copy{flex-direction:column;justify-content:center;padding:clamp(34px,7vw,100px);display:flex;position:relative}.wordmark{align-items:center;gap:12px;font-weight:850;display:flex;position:absolute;top:38px;left:clamp(34px,7vw,100px)}.welcome h1{max-width:760px;font:650 clamp(3.5rem,7vw,7.5rem)/.92 var(--font-display);letter-spacing:-.055em;margin:0}.welcome-copy>p:not(.eyebrow){max-width:630px;color:var(--muted);font-size:clamp(1rem,1.4vw,1.25rem);line-height:1.7}.trail-line{background:var(--line);justify-content:space-between;width:min(560px,80%);height:2px;margin-top:30px;display:flex}.trail-line i{background:var(--gold);border:3px solid var(--paper);border-radius:50%;width:12px;height:12px;margin-top:-5px}.entry-card{box-shadow:var(--shadow);-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);background:#fffdf8eb;border:1px solid #dad2c2b3;border-radius:30px;align-self:center;margin:36px clamp(24px,7vw,90px) 36px 0;padding:clamp(28px,4vw,54px)}.entry-card h2,.form-page h1,.empty-state h1{font:650 clamp(2rem,4vw,3.3rem)/1.05 var(--font-display);letter-spacing:-.035em;margin:0 0 12px}.entry-card>p,.link-reveal>p,.form-page>p{color:var(--muted);line-height:1.65}.entry-card form{gap:12px;margin-top:26px;display:grid}label{color:var(--ink);font-weight:750}input:not([type=checkbox]):not([type=range]),textarea,select{border:1px solid var(--line);width:100%;color:var(--ink);background:#fff;border-radius:12px;margin-top:7px;padding:14px 15px}.privacy-note{margin-top:24px;font-size:.78rem}.form-error{font-size:.85rem;font-weight:700;color:#a9372d!important}.link-box{border:1px solid var(--line);background:#fff;border-radius:14px;grid-template-columns:1fr auto;gap:8px;margin:14px 0;padding:14px;display:grid}.link-box span{text-transform:uppercase;letter-spacing:.1em;font-size:.75rem;font-weight:800}.link-box code{text-overflow:ellipsis;white-space:nowrap;color:var(--muted);grid-column:1;overflow:hidden}.link-box button{cursor:pointer;background:#edf1ec;border:0;border-radius:9px;grid-area:1/2/3;padding:0 15px;font-weight:800}.link-reveal>.primary-button{width:100%;margin-top:16px}.site-shell{min-height:100vh}.topbar{-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);z-index:20;background:#f8f3e8db;border-bottom:1px solid #ded9cccc;justify-content:space-between;align-items:center;height:72px;padding:0 clamp(18px,4vw,58px);display:flex;position:sticky;top:0}.brand{align-items:center;gap:10px;min-width:44px;min-height:44px;font-weight:850;display:flex}.topbar nav{align-items:center;gap:6px;display:flex}.topbar nav a{min-height:44px;color:var(--muted);border-radius:12px;align-items:center;padding:0 14px;font-size:.9rem;font-weight:750;display:flex}.topbar nav a:hover,.topbar nav a.active{color:var(--ink);background:#eee8db}.content{width:100%}.content.compact{max-width:1180px;margin:0 auto;padding:clamp(28px,5vw,70px) clamp(18px,4vw,48px)}.play-layout{grid-template-columns:minmax(420px,720px) minmax(300px,390px);justify-content:center;align-items:center;gap:clamp(28px,6vw,88px);max-width:1300px;min-height:calc(100vh - 72px);margin:auto;padding:clamp(18px,3vw,40px);display:grid}.board-column{min-width:0}.player-strip{justify-content:space-between;align-items:center;margin-bottom:12px;display:flex}.player-switch{border-radius:12px;align-items:center;gap:9px;min-height:44px;font-weight:800;display:flex}.player-switch small{color:var(--muted);text-underline-offset:3px;font-size:.7rem;font-weight:700;text-decoration:underline}.avatar-dot{background:var(--accent);color:#fff;border-radius:50%;place-items:center;width:34px;height:34px;display:grid}.player-strip strong{font-size:1.05rem}.player-strip small{color:var(--muted);font-weight:600}.chessboard{aspect-ratio:1;touch-action:none;-webkit-user-select:none;user-select:none;border:7px solid #3f4943;border-radius:18px;grid-template-rows:repeat(8,minmax(0,1fr));grid-template-columns:repeat(8,minmax(0,1fr));width:100%;display:grid;overflow:hidden;box-shadow:0 25px 70px #1b2e2b33}.square{cursor:pointer;min-width:0;color:var(--ink);border:0;place-items:center;padding:0;display:grid;position:relative}.square:disabled{cursor:default}.theme-ember .square.light{background:#f2d5a1}.theme-ember .square.dark{background:#b25f4a}.theme-ocean .square.light{background:#d6e6dd}.theme-ocean .square.dark{background:#517f79}.theme-plum .square.light{background:#e9d9cf}.theme-plum .square.dark{background:#805c77}.theme-midnight .square.light{background:#e9d99d}.theme-midnight .square.dark{background:#253c63}.theme-moss .square.light{background:#dedbb8}.theme-moss .square.dark{background:#61734c}.theme-candy .square.light{background:#ffe0d7}.theme-candy .square.dark{background:#c46b8b}.square.selected:after{content:"";z-index:1;border:4px solid #fff6a8;border-radius:9px;position:absolute;inset:5%}.square.last:before{content:"";background:#ffe14c45;position:absolute;inset:0}.square.checked{box-shadow:inset 0 0 0 6px #c82727}.piece{z-index:2;filter:drop-shadow(0 3px 1px #0000002e);font-family:Segoe UI Symbol,Noto Sans Symbols,serif;font-size:clamp(2.1rem,6.4vw,5.1rem);line-height:1;position:relative;transform:translateY(-2%)}.white-piece{color:#fffaf0;text-shadow:0 0 1px #273d38,1px 1px #273d38,-1px -1px #273d38}.black-piece{color:#213632;text-shadow:0 1px #ffffff3d}.art-piece{filter:drop-shadow(0 3px 1px #00000038);background-position:50%;background-repeat:no-repeat;background-size:contain;width:94%;height:94%}.target-dot{aspect-ratio:1;z-index:3;background:#1435307a;border-radius:50%;width:20%;position:absolute}.capture-ring{z-index:3;border:6px solid #14353073;border-radius:50%;position:absolute;inset:8%}.rank-label,.file-label{z-index:4;opacity:.72;font-size:clamp(.48rem,1vw,.72rem);font-weight:900;position:absolute}.rank-label{top:3px;left:4px}.file-label{bottom:2px;right:4px}.board-help{color:var(--muted);text-align:center;margin:12px 0 0;font-size:.75rem}kbd{border:1px solid var(--line);background:#fff;border-radius:4px;padding:1px 4px}.puzzle-panel{flex-direction:column;justify-content:center;min-height:440px;display:flex}.puzzle-panel h1{font:650 clamp(2.2rem,4vw,4.1rem)/1.02 var(--font-display);letter-spacing:-.045em;margin:0}.panel-copy{color:var(--muted);line-height:1.7}.trail-progress{gap:7px;width:110px;height:2px;margin-bottom:38px;display:flex}.trail-progress>*{background:#d8d4c9;border-radius:3px;flex:1;height:3px}.trail-progress .done{background:var(--accent)}.hint-card{border-left:4px solid var(--gold);background:#fff6df;border-radius:4px 12px 12px 4px;margin:12px 0;padding:14px 16px;line-height:1.55}.mistake-score{background:#fff0eb;border:1px solid #e8b9ad;border-radius:14px;align-items:center;gap:12px;margin:12px 0;padding:13px 15px;display:flex}.mistake-score>strong{color:#a83e34;font-size:1.45rem}.mistake-score>span{flex-direction:column;display:flex}.mistake-score small{color:var(--muted);margin-top:2px}.choice-row{flex-wrap:wrap;gap:8px;margin:16px 0;display:flex}.choice-row button{border:1px solid var(--line);cursor:pointer;background:#fff;border-radius:10px;min-height:44px;padding:0 12px;font-weight:750}.result-card{border:1px solid var(--line);background:#ffffff8c;border-radius:16px;align-items:center;gap:16px;margin:24px 0;padding:16px;display:flex}.result-card>span{font-size:2rem;font-weight:900}.result-card div{flex-direction:column;display:flex}.result-card strong{font-size:1.4rem}.result-card small{color:var(--muted)}.rating-up{color:#17705f;font-weight:900}.rating-down{color:#b1473c;font-weight:900}.rating-practice{color:var(--muted);font-size:.78rem;font-weight:850}.next-button{justify-content:space-between;width:100%;margin-top:6px}.next-button span{font-size:1.35rem}.theme-chips{flex-wrap:wrap;gap:7px;margin-top:22px;display:flex}.theme-chips span{color:var(--muted);text-transform:capitalize;background:#ece6d8;border-radius:999px;padding:6px 9px;font-size:.7rem}.mode-picker{gap:8px;margin-bottom:26px;display:grid}.mode-picker>span,.mode-picker label>span{color:var(--muted);letter-spacing:.1em;text-transform:uppercase;font-size:.7rem;font-weight:850}.mode-picker>div{background:#e9e4d8;border-radius:12px;grid-template-columns:repeat(3,1fr);gap:5px;padding:4px;display:grid}.mode-picker button{min-height:38px;color:var(--muted);cursor:pointer;background:0 0;border:0;border-radius:9px;padding:5px 8px;font-size:.72rem;font-weight:800}.mode-picker button.active{background:var(--card);color:var(--ink);box-shadow:0 2px 8px #18302d1a}.mode-picker button:disabled{cursor:wait;opacity:.6}.mode-picker label{grid-template-columns:1fr 145px;align-items:center;gap:10px;display:grid}.mode-picker select{margin:0;padding:9px 11px;font-size:.78rem}.mode-picker small{color:var(--muted);font-size:.72rem}.modal-backdrop{z-index:100;background:#112320b8;place-items:center;padding:20px;display:grid;position:fixed;inset:0}.promotion-modal{background:var(--card);width:min(440px,100%);box-shadow:var(--shadow);border-radius:22px;padding:28px}.promotion-modal h2{font:650 2rem var(--font-display);margin-top:0}.promotion-modal>div{grid-template-columns:repeat(2,1fr);gap:10px;display:grid}.promotion-modal>div button{border:1px solid var(--line);cursor:pointer;background:#fff;border-radius:12px;min-height:52px;font-weight:800}.empty-state{text-align:center;flex-direction:column;justify-content:center;align-items:center;max-width:680px;min-height:calc(100vh - 72px);margin:auto;padding:70px 24px;display:flex}.empty-state p{color:var(--muted);line-height:1.7}.empty-state .primary-button,.empty-state .secondary-button{margin-top:16px}.loading-copy{color:var(--muted);padding:40px}.page-heading{max-width:720px;margin-bottom:34px}.page-heading h1{font:650 clamp(2.6rem,6vw,5.4rem)/.98 var(--font-display);letter-spacing:-.05em;margin:0}.page-heading>p:last-child{color:var(--muted)}.stat-grid{grid-template-columns:repeat(3,1fr);gap:14px;margin-bottom:14px;display:grid}.stat-grid article{background:var(--ink);color:#fff;border-radius:18px;flex-direction:column;justify-content:space-between;min-height:140px;padding:24px;display:flex}.stat-grid article:nth-child(2){background:var(--gold);color:var(--ink)}.stat-grid article:nth-child(3){background:var(--accent)}.stat-grid small{letter-spacing:.12em;opacity:.78;font-weight:800}.stat-grid strong{font:650 2.8rem var(--font-display)}.stat-grid strong span{opacity:.7;font-size:1rem}.dashboard-grid{grid-template-columns:1.2fr .8fr;gap:14px;display:grid}.panel{border:1px solid var(--line);background:#fffdf8d9;border-radius:18px;padding:24px}.panel-title{justify-content:space-between;align-items:center;gap:10px;display:flex}.panel-title h2{font:650 1.55rem var(--font-display);margin:0}.panel-title span{color:var(--muted);font-size:.72rem}.rating-chart{width:100%;height:220px;margin-top:20px;overflow:visible}.rating-chart polyline{stroke:var(--accent);stroke-width:4px;stroke-linecap:round;stroke-linejoin:round}.rating-chart line{stroke:var(--line);stroke-width:1px}.theme-list{gap:14px;margin-top:20px;display:grid}.theme-list>div{text-transform:capitalize;grid-template-columns:110px 1fr 54px;align-items:center;gap:8px;font-size:.78rem;display:grid}.theme-list>div>div{background:#e8e3d7;border-radius:99px;height:7px;overflow:hidden}.theme-list i{background:var(--gold);height:100%;display:block}.theme-list strong{text-align:right;font-size:.7rem}.recent-panel,.attempt-list{margin-top:14px}.attempt-list>div{border-top:1px solid var(--line);grid-template-columns:auto 1fr auto auto;align-items:center;gap:12px;min-height:64px;display:grid}.outcome-dot{background:var(--accent);border-radius:50%;width:10px;height:10px}.outcome-dot.solved{background:#278170}.attempt-list div div{flex-direction:column;display:flex}.attempt-list small,.empty-copy{color:var(--muted)}.attempt-list a{min-height:44px;color:var(--muted);align-items:center;text-decoration:underline;display:flex}.form-page{max-width:760px;margin:auto}.form-page>h1{font-size:clamp(2.6rem,6vw,5rem)}.settings-panel,.feedback-form{background:var(--card);border:1px solid var(--line);border-radius:20px;gap:26px;margin-top:32px;padding:clamp(20px,4vw,36px);display:grid}.settings-panel fieldset,.feedback-form fieldset{border:0;margin:0;padding:0}.settings-panel legend,.feedback-form legend{margin-bottom:12px;font-weight:800}.palette-options,.mood-row{flex-wrap:wrap;gap:10px;display:flex}.palette-options button,.mood-row button{border:1px solid var(--line);text-transform:capitalize;cursor:pointer;background:#fff;border-radius:12px;align-items:center;gap:9px;min-height:48px;padding:0 14px;font-weight:750;display:flex}.palette-options button.chosen,.mood-row button.chosen{box-shadow:inset 0 0 0 3px var(--ink)}.swatch{background:linear-gradient(135deg,#f2d5a1 50%,#b25f4a 50%);border-radius:7px;width:24px;height:24px}.swatch.ocean{background:linear-gradient(135deg,#d6e6dd 50%,#517f79 50%)}.swatch.plum{background:linear-gradient(135deg,#e9d9cf 50%,#805c77 50%)}.players-page{max-width:1040px;margin:auto}.profile-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;display:grid}.profile-card{border:1px solid var(--line);background:var(--card);min-height:230px;color:var(--ink);text-align:left;cursor:pointer;border-radius:20px;flex-direction:column;align-items:flex-start;padding:24px;display:flex;box-shadow:0 12px 34px #1e302d0f}.profile-card:hover{border-color:#b9b1a2;transform:translateY(-2px)}.profile-card.current{box-shadow:inset 0 0 0 3px var(--gold),0 12px 34px #1e302d0f}.profile-card:disabled{cursor:wait;opacity:.7;transform:none}.profile-avatar{background:var(--accent);color:#fff;width:58px;height:58px;font:750 1.8rem var(--font-display);border-radius:18px;place-items:center;display:grid}.profile-card:nth-child(3n+2) .profile-avatar{background:var(--ink)}.profile-card:nth-child(3n) .profile-avatar{background:#ad7b28}.profile-name{font:650 1.65rem var(--font-display);margin-top:20px}.profile-stats{color:var(--muted);margin-top:5px;font-size:.82rem}.profile-stats strong{color:var(--ink)}.profile-action{color:var(--ink);text-underline-offset:4px;margin-top:auto;font-size:.78rem;font-weight:800;text-decoration:underline}.add-profile-panel{background:var(--ink);color:#fff;border-radius:22px;grid-template-columns:1fr minmax(280px,.7fr);align-items:center;gap:40px;margin-top:30px;padding:clamp(22px,4vw,38px);display:grid}.add-profile-panel h2{font:650 2rem var(--font-display);margin:0}.add-profile-panel p:not(.eyebrow){color:#cbd6d2;line-height:1.6}.add-profile-panel form{grid-template-columns:1fr auto;align-items:end;gap:10px;display:grid}.add-profile-panel label{color:#fff;grid-column:1/-1}.add-profile-panel input{margin:0!important}.add-profile-panel .primary-button{background:var(--gold);color:var(--ink);box-shadow:none}.add-profile-panel .form-error{grid-column:1/-1;margin:2px 0 0;color:#ffd0c7!important}.profile-privacy{color:var(--muted);text-align:center;max-width:650px;margin:24px auto 0;font-size:.78rem;line-height:1.6}.parent-profile-panel{margin-bottom:14px}.parent-profile-list{margin-top:14px}.parent-profile-list>div{border-top:1px solid var(--line);grid-template-columns:auto 1fr auto;align-items:center;gap:12px;min-height:68px;display:grid}.parent-profile-list>div>div{flex-direction:column;display:flex}.parent-profile-list small{color:var(--muted);font-weight:600}.parent-profile-list>div>b{font-size:1.1rem}.toggle-row,.range-label{justify-content:space-between;align-items:center;gap:20px;display:flex}.toggle-row span{flex-direction:column;display:flex}.toggle-row small{color:var(--muted);font-weight:500}.toggle-row input{width:24px;height:24px}.settings-panel input[type=range]{width:100%;accent-color:var(--accent)}.range-label output{color:var(--muted);font-size:.8rem}.saved-note{color:#17705f;font-weight:800}.feedback-form textarea{resize:vertical;min-height:100px}.feedback-list{margin-top:14px}.feedback-list article{border-top:1px solid var(--line);padding:20px 0}.feedback-list header{justify-content:space-between;display:flex}.feedback-list time,.feedback-list small{color:var(--muted);font-size:.75rem}.feedback-list p{line-height:1.55}.rewards-page{max-width:980px}.settings-panel{min-width:0}.settings-panel fieldset{width:100%;min-width:0;max-width:100%}.setting-help{color:var(--muted);margin:0;font-size:.82rem;font-weight:500}.locker-intro{justify-content:space-between;align-items:center;gap:16px;margin-bottom:14px;display:flex}.locker-controls{flex:none;gap:7px;display:flex}.locker-controls button{border:1px solid var(--line);width:42px;height:42px;color:var(--ink);cursor:pointer;background:#fff;border-radius:11px;font-size:1.2rem}.reward-grid{box-sizing:border-box;scroll-snap-type:x mandatory;scrollbar-color:#a79f90 #e9e4d8;scrollbar-width:thin;overscroll-behavior-inline:contain;touch-action:pan-x;-webkit-overflow-scrolling:touch;gap:12px;width:100%;max-width:100%;padding:3px 3px 14px;scroll-padding-inline:3px;display:flex;overflow-x:auto}.reward-choice{border:1px solid var(--line);min-height:190px;color:var(--ink);text-align:left;cursor:pointer;scroll-snap-align:start;background:#fff;border-radius:15px;flex-direction:column;flex:0 0 220px;align-items:flex-start;padding:14px;display:flex}.reward-choice:hover:not(:disabled){border-color:#a9a192;transform:translateY(-1px)}.reward-choice.chosen{box-shadow:inset 0 0 0 3px var(--ink)}.reward-choice:disabled{cursor:not-allowed;opacity:.58;filter:saturate(.55)}.reward-choice>strong{margin-top:11px}.reward-choice>small{min-height:34px;color:var(--muted);margin-top:3px;font-size:.7rem;line-height:1.35}.reward-choice>b{margin-top:auto;font-size:.68rem}.lock-note{color:#85562b}.earned-note{color:#17705f}.board-preview{border:1px solid #18302d29;border-radius:9px;grid-template-rows:repeat(2,1fr);grid-template-columns:repeat(2,1fr);width:100%;height:72px;display:grid;overflow:hidden}.board-preview i:first-child,.board-preview i:nth-child(4){background:#f2d5a1}.board-preview i:nth-child(2),.board-preview i:nth-child(3){background:#b25f4a}.board-preview.ocean i:first-child,.board-preview.ocean i:nth-child(4){background:#d6e6dd}.board-preview.ocean i:nth-child(2),.board-preview.ocean i:nth-child(3){background:#517f79}.board-preview.plum i:first-child,.board-preview.plum i:nth-child(4){background:#e9d9cf}.board-preview.plum i:nth-child(2),.board-preview.plum i:nth-child(3){background:#805c77}.board-preview.midnight i:first-child,.board-preview.midnight i:nth-child(4){background:#e9d99d}.board-preview.midnight i:nth-child(2),.board-preview.midnight i:nth-child(3){background:#253c63}.board-preview.moss i:first-child,.board-preview.moss i:nth-child(4){background:#dedbb8}.board-preview.moss i:nth-child(2),.board-preview.moss i:nth-child(3){background:#61734c}.board-preview.candy i:first-child,.board-preview.candy i:nth-child(4){background:#ffe0d7}.board-preview.candy i:nth-child(2),.board-preview.candy i:nth-child(3){background:#c46b8b}.piece-preview{background:linear-gradient(135deg,#f2d5a1 50%,#b25f4a 50%);border-radius:9px;justify-content:center;align-items:center;gap:2px;width:100%;height:94px;display:flex;overflow:hidden}.piece-preview i{color:#213632;filter:drop-shadow(0 2px 1px #0003);background-position:50%;background-repeat:no-repeat;background-size:contain;place-items:center;width:31%;height:88%;font:700 3.5rem/1 serif;display:grid}.material-wood{color:#7a451e!important;text-shadow:0 1px #edc88d,1px 2px 1px #43230e!important}.material-wood.white-piece{color:#e0b975!important}.material-marble{color:#4f5860!important;text-shadow:-1px -1px #fbf8f0,1px 2px 1px #1d292b!important}.material-marble.white-piece{color:#eeeae0!important}.material-glass{opacity:.92;color:#68b7c4!important;text-shadow:0 0 2px #fff,0 0 9px #57cadd,1px 2px #245c70!important}.material-glass.white-piece{color:#e9ffff!important}.material-jade{color:#8a2038!important;text-shadow:0 1px #ff8794,1px 3px 1px #4a0d1b!important}.material-jade.white-piece{color:#45a57f!important;text-shadow:0 1px #a8f0cf,1px 3px 1px #155b45!important}.material-porcelain{color:#244f89!important;text-shadow:0 1px #87b5e7,1px 2px #102d54!important}.material-porcelain.white-piece{color:#fffaf0!important;text-shadow:0 0 1px #244f89,1px 2px #244f89!important}.material-bronze{color:#9d632d!important;text-shadow:-1px -1px #edbf71,1px 3px 1px #4f2c13!important}.material-bronze.white-piece{color:#d8a14d!important}.material-neon{color:#ff4ca3!important;text-shadow:0 0 2px #fff,0 0 7px #ff4ca3,0 0 14px #ff4ca3!important}.material-neon.white-piece{color:#3df4e1!important;text-shadow:0 0 2px #fff,0 0 7px #3df4e1,0 0 14px #3df4e1!important}.family-share-panel{background:#fff8df;border:1px solid #d7c797;border-radius:20px;grid-template-columns:1fr auto;align-items:center;gap:14px 26px;margin:30px 0 0;padding:clamp(20px,4vw,34px);display:grid}.family-share-panel h2{font:650 1.8rem var(--font-display);margin:0}.family-share-panel p:not(.eyebrow){color:var(--muted);line-height:1.55}.family-share-panel>.secondary-button{min-width:180px}.family-link-result{grid-column:1/-1;grid-template-columns:1fr auto;align-items:end;gap:8px;display:grid}.family-link-result label,.family-link-result small{grid-column:1/-1}.family-link-result input{margin:0!important}.family-link-result small,.family-link-warning{color:var(--muted);font-size:.72rem}.family-link-warning,.family-share-panel>.form-error{grid-column:1/-1;margin:0!important}.opening-page{grid-template-columns:minmax(290px,390px) minmax(420px,650px);align-items:start;gap:clamp(28px,5vw,68px);max-width:1180px;margin:auto;padding:clamp(24px,4vw,52px);display:grid}.opening-library{min-width:0;position:sticky;top:90px}.opening-library h1{font:650 clamp(2.35rem,4.5vw,4.6rem)/.98 var(--font-display);letter-spacing:-.045em;margin:7px 0 14px}.opening-library>p:not(.eyebrow){color:var(--muted);line-height:1.6}.opening-course-list{gap:8px;max-height:52vh;margin-top:24px;padding-right:5px;display:grid;overflow-y:auto}.opening-course-list button{border:1px solid var(--line);min-height:68px;color:var(--ink);text-align:left;cursor:pointer;background:#fffdf8db;border-radius:13px;justify-content:space-between;align-items:center;gap:12px;padding:12px 14px;display:flex}.opening-course-list button.selected{border-color:var(--ink);box-shadow:inset 0 0 0 2px var(--ink);background:#fff}.opening-course-list span{gap:3px;min-width:0;display:grid}.opening-course-list small{color:var(--muted);white-space:nowrap;text-overflow:ellipsis;overflow:hidden}.opening-course-list em{color:#705d36;text-transform:uppercase;background:#eee8d9;border-radius:99px;flex:none;padding:6px 8px;font-size:.64rem;font-style:normal;font-weight:850}.opening-board-column{min-width:0}.opening-board-heading{justify-content:space-between;align-items:center;gap:12px;min-height:64px;display:flex}.opening-board-heading span{display:grid}.opening-board-heading small{color:var(--accent);letter-spacing:.12em;font-weight:900}.opening-board-heading strong{font:650 1.65rem var(--font-display)}.opening-board-heading>b{background:var(--gold);border-radius:99px;padding:8px 10px;font-size:.7rem}.opening-lesson{border:1px solid var(--line);background:#fffdf8e0;border-radius:16px;min-height:126px;margin-top:14px;padding:18px 20px}.opening-lesson.wrong{background:#fff1ed;border-color:#d77a69}.opening-lesson strong{font-size:1.05rem}.opening-lesson p{color:var(--muted);margin:7px 0;line-height:1.5}.opening-lesson small{color:var(--muted)}.opening-board-column>.primary-button{width:100%;margin-top:12px}.parent-link-settings{background:#f0f7f3;border:1px solid #b9d1ca;border-radius:16px;gap:12px;padding:20px;display:grid}.parent-link-settings h2{font:650 1.55rem var(--font-display);margin:0}.parent-link-settings p:not(.eyebrow){color:var(--muted);margin:4px 0 0;line-height:1.55}.parent-link-settings>.secondary-button{justify-self:start}.parent-link-settings .family-link-result{display:grid}.match-lobby{max-width:1100px!important}.match-lobby-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;display:grid}.create-match-panel,.join-match-panel{min-height:235px}.create-match-panel>p{color:var(--muted);line-height:1.55}.match-color-buttons{grid-template-columns:repeat(3,1fr);gap:8px;margin-top:26px;display:grid}.match-color-buttons button{border:1px solid var(--line);min-height:50px;color:var(--ink);cursor:pointer;background:#fff;border-radius:12px;padding:8px;font-weight:800}.match-color-buttons button:hover{border-color:var(--ink)}.match-color-buttons button:disabled{opacity:.55;cursor:wait}.join-match-panel form{grid-template-columns:1fr auto;align-items:end;gap:10px;margin-top:24px;display:grid}.join-match-panel label{grid-column:1/-1}.join-match-panel input{text-transform:uppercase;letter-spacing:.24em;font-weight:900;margin:0!important}.open-match-panel,.your-match-panel{min-width:0}.match-list{margin-top:14px;display:grid}.match-list button{border:0;border-top:1px solid var(--line);width:100%;min-height:68px;color:var(--ink);text-align:left;cursor:pointer;background:0 0;justify-content:space-between;align-items:center;gap:14px;padding:10px 4px;display:flex}.match-list button:hover{color:var(--accent)}.match-list button:disabled{opacity:.55;cursor:wait}.match-list button span{gap:4px;min-width:0;display:grid}.match-list small{color:var(--muted);white-space:nowrap;text-overflow:ellipsis;overflow:hidden}.match-list b{text-underline-offset:4px;flex:none;font-size:.78rem;text-decoration:underline}.match-error{margin:16px 0}.match-page{grid-template-columns:minmax(430px,720px) minmax(300px,390px);justify-content:center;align-items:center;gap:clamp(28px,5vw,72px);width:min(1320px,100%);min-height:calc(100vh - 72px);margin:auto;padding:clamp(16px,3vw,38px);display:grid}.match-board-column{min-width:0}.match-player-row{align-items:center;gap:9px;min-height:48px;display:flex}.match-player-row strong{font-size:.92rem}.match-player-row small{color:var(--muted);text-transform:capitalize;margin-left:auto;font-size:.72rem}.match-side-dot{border:2px solid #31433f;border-radius:50%;width:20px;height:20px}.match-side-dot.white-side{background:#fffaf0}.match-side-dot.black-side{background:#213632}.match-panel{flex-direction:column;justify-content:center;min-height:520px;display:flex}.match-back{align-self:flex-start;margin-bottom:24px}.match-panel h1{font:650 clamp(2.4rem,4vw,4.25rem)/1 var(--font-display);letter-spacing:-.045em;margin:0 0 18px}.invite-card{background:#fff7dd;border:1px solid #dfc882;border-radius:17px;gap:16px;padding:20px;display:grid}.invite-card p{color:var(--muted);margin:0;line-height:1.55}.invite-card>strong{font:750 2.6rem var(--font-display);letter-spacing:.18em}.match-score{border:1px solid var(--line);background:var(--card);border-radius:15px;grid-template-columns:1fr auto 1fr;align-items:center;gap:12px;min-height:76px;padding:13px 16px;display:grid}.match-score>span{min-width:0;display:grid}.match-score>span:last-child{text-align:right}.match-score b{text-overflow:ellipsis;white-space:nowrap;overflow:hidden}.match-score small{color:var(--muted);font-size:.68rem}.move-sheet{border:1px solid var(--line);background:#fffdf8b3;border-radius:13px;max-height:210px;margin:14px 0;overflow-y:auto}.move-sheet>div{border-top:1px solid var(--line);grid-template-columns:34px 1fr 1fr;align-items:center;min-height:38px;padding:0 12px;display:grid}.move-sheet>div:first-child{border-top:0}.move-sheet b{color:var(--muted);font-size:.72rem}.move-sheet span{font-weight:750}.resign-button{margin-top:14px}.match-refresh-note{min-height:18px;color:var(--muted);text-align:center;margin:12px 0 0;font-size:.72rem}@media (width<=980px){.topbar{flex-wrap:wrap;gap:4px 12px;height:auto;min-height:72px;padding-top:10px;padding-bottom:8px}.topbar nav{scrollbar-width:none;overscroll-behavior-inline:contain;-webkit-overflow-scrolling:touch;flex:1 0 100%;order:2;justify-content:flex-start;max-width:100%;overflow-x:auto}.topbar nav::-webkit-scrollbar{display:none}.topbar nav a{flex:none}}@media (width<=900px){.welcome{grid-template-columns:1fr}.welcome-copy{min-height:58vh;padding-bottom:40px}.wordmark{margin-bottom:90px;position:static}.entry-card{margin:0 20px 40px}.play-layout{grid-template-columns:minmax(0,680px);align-items:start;gap:28px}.puzzle-panel{min-height:0;padding:10px 0 36px}.trail-progress{margin-bottom:22px}.dashboard-grid{grid-template-columns:1fr}.profile-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.add-profile-panel{grid-template-columns:1fr;gap:20px}.reward-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.opening-page{grid-template-columns:minmax(0,680px);justify-content:center}.opening-library{position:static}.opening-course-list{scroll-snap-type:x mandatory;max-height:none;padding:0 0 10px;display:flex;overflow-x:auto}.opening-course-list button{scroll-snap-align:start;flex:0 0 270px}.match-page{grid-template-columns:minmax(0,680px);align-items:start}.match-panel{min-height:0;padding:4px 0 34px}.match-back{margin-bottom:14px}}@media (width<=620px){.topbar{align-items:flex-start;height:auto;min-height:66px;padding:10px 12px}.brand>span:last-child{display:none}.topbar nav{overflow-x:auto}.topbar nav a{padding:0 8px;font-size:.75rem}.content.compact{padding-top:34px}.play-layout{min-height:auto;padding:12px}.chessboard{border-width:4px;border-radius:12px}.piece{font-size:clamp(1.95rem,10.5vw,3.7rem)}.board-help{display:none}.puzzle-panel h1{font-size:2.4rem}.player-strip{margin-top:4px}.player-switch small{display:none}.stat-grid{grid-template-columns:1fr 1fr}.stat-grid article:first-child{grid-column:1/-1}.dashboard .stat-grid article{min-height:110px}.attempt-list>div{grid-template-columns:auto 1fr auto;padding:8px 0}.attempt-list a{grid-column:2;min-height:30px}.panel{padding:18px}.theme-list>div{grid-template-columns:90px 1fr 48px}.welcome-copy{min-height:62vh}.welcome h1{font-size:3.5rem}.wordmark{margin-bottom:70px}.profile-grid{grid-template-columns:1fr}.profile-card{min-height:170px}.add-profile-panel form{grid-template-columns:1fr}.add-profile-panel form>*{grid-column:1!important}.reward-grid{grid-template-columns:1fr}.reward-choice{min-height:175px}.family-share-panel{grid-template-columns:1fr}.family-share-panel>.secondary-button{width:100%}.family-link-result{grid-template-columns:1fr}.family-link-result>*{grid-column:1!important}.opening-page{padding:14px}.opening-library h1{font-size:2.8rem}.opening-course-list button{flex-basis:245px}.match-lobby-grid,.match-color-buttons,.join-match-panel form{grid-template-columns:1fr}.join-match-panel form>*{grid-column:1!important}.match-page{min-height:auto;padding:12px}.match-panel h1{font-size:2.5rem}.invite-card>strong{font-size:2.1rem}.match-player-row{min-height:42px}}.quick-match-panel{background:var(--ink);color:#fff;flex-direction:column;grid-column:1/-1;justify-content:center;min-height:245px;padding:clamp(24px,5vw,46px);display:flex}.quick-match-panel .panel-title span,.quick-match-panel>p:not(.eyebrow){color:#cbd6d2}.quick-match-panel>p:not(.eyebrow){max-width:680px;line-height:1.6}.pool-button{background:var(--gold);min-width:220px;color:var(--ink);box-shadow:none;align-self:flex-start;margin-top:12px}.pool-searching{border-bottom:1px solid #e4d6aa;align-items:center;gap:12px;padding-bottom:14px;display:flex}.pool-searching>i{border:3px solid #d8cda9;border-top-color:var(--accent);border-radius:50%;flex:none;width:18px;height:18px;animation:1s linear infinite pool-spin}.pool-searching>span{gap:3px;display:grid}.pool-searching small{color:var(--muted);line-height:1.35}.invite-card>.quiet-button{justify-self:start}.invite-card button:disabled{opacity:.55}@keyframes pool-spin{to{transform:rotate(360deg)}}@media (prefers-reduced-motion:reduce){*,:before,:after{scroll-behavior:auto!important;transition-duration:.01ms!important;animation-duration:.01ms!important}.primary-button:hover{transform:none}}@media (forced-colors:active){.square{border:1px solid canvastext}.target-dot{border:3px solid highlight}.piece{filter:none}}