@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500;600;700&family=Manrope:wght@400;500;600;700;800&display=swap');
:root{--bg:#0c1315;--panel:#131d20;--panel2:#192427;--line:#263236;--muted:#8c9c9e;--text:#f0f3ed;--green:#a5e9c3;--light:#d0dcd1;--dark:#547367;--accent:#a5e9c3;color-scheme:dark}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font-family:'DM Sans',Arial,sans-serif;font-size:14px}button,input,select{font:inherit}button,a,input,select{-webkit-tap-highlight-color:transparent}button,a{touch-action:manipulation}button{cursor:pointer}a{color:inherit;text-decoration:none}button{border:0;color:inherit}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible{outline:2px solid var(--green);outline-offset:4px}button:disabled{opacity:.45;cursor:default}.sidebar{width:232px;position:fixed;inset:0 auto 0 0;background:#10191c;border-right:1px solid var(--line);padding:32px 18px;display:flex;flex-direction:column;z-index:20}.brand{display:flex;gap:10px;align-items:center;padding:0 6px 38px;font:800 24px Manrope,Arial;letter-spacing:-1.3px}.brand-icon{font-size:39px;color:var(--green);line-height:1}.brand-light{font-weight:400;color:var(--green)}.brand small{display:block;font:500 7px 'DM Sans',Arial;letter-spacing:1.8px;color:#83978f;margin-top:5px}nav{display:flex;flex-direction:column;gap:7px}.nav-button{background:none;text-align:left;padding:13px 16px;display:flex;gap:14px;align-items:center;color:#9aacaf;border-radius:7px;font-weight:500;min-height:45px}.nav-button span:first-child{font-size:21px;width:24px}.nav-button.active{background:#243a33;color:var(--green)}.nav-button:hover{background:#1c2b2b}.nav-section{text-transform:uppercase;font-size:9px;letter-spacing:2px;color:#6e8585;margin:25px 17px 8px}.side-bottom{margin-top:auto;display:grid;gap:20px;font-size:10px;color:#819791}.free-badge{border:1px solid #31483d;color:#acd6b6;border-radius:6px;padding:12px 8px;font-size:8px;letter-spacing:1px}.quiet{background:none;color:var(--muted);padding:0;text-align:left}.shell{margin-left:232px}header{height:83px;border-bottom:1px solid var(--line);padding:0 42px;display:flex;align-items:center;justify-content:space-between}.breadcrumb{font-size:12px;color:var(--muted);display:flex;gap:15px}.breadcrumb b{color:#ccd6d4;font-weight:500}.header-right{display:flex;align-items:center;gap:23px;font-size:12px}.alpha{font-size:9px;color:#a6b6af;border:1px solid #33423d;padding:6px 9px;border-radius:4px;letter-spacing:1px}.avatar{width:35px;height:35px;border-radius:50%;background:#34453e;color:var(--green);font-size:25px}main{max-width:1500px;margin:auto;padding:35px 42px 48px}.eyebrow{color:var(--green);font-size:10px;font-weight:600;letter-spacing:2px;text-transform:uppercase}.greeting{display:flex;justify-content:space-between;align-items:center;margin-bottom:24px}.greeting h1{font:600 25px Manrope,Arial;margin:0 0 8px;letter-spacing:-.7px}.greeting p{color:var(--muted);margin:0;font-size:12px}.streak{display:flex;align-items:center;gap:10px;color:#d2c3a1;background:#1c2522;border:1px solid #303d33;padding:10px 15px;border-radius:7px;font-size:12px}.hero{min-height:287px;border-radius:12px;border:1px solid #34433f;padding:35px;position:relative;overflow:hidden;background:#142226 url('https://d8j0ntlcm91z4.cloudfront.net/user_3J4K799tSxKlrcK2zpxS7OpOmCn/hf_20261107_152742_0eae2c19-56e4-43f6-b861-0378ca1cd301_min.webp') center right/cover no-repeat}.hero:before{content:'';position:absolute;inset:0;background:linear-gradient(90deg,#10201ff5 0%,#10201fc9 35%,#10201f05 78%)}.hero-content{position:relative;max-width:480px}.hero h2{font:500 clamp(30px,3.2vw,48px)/1.15 Manrope,Arial;letter-spacing:-2px;margin:15px 0}.hero h2 em{font-style:normal;color:var(--green)}.hero p{color:#afc2bd;line-height:1.7;font-size:12px;max-width:330px}.primary,.secondary,.subtle{border-radius:6px;padding:12px 18px;font-size:12px;font-weight:700;display:inline-flex;align-items:center;justify-content:center;gap:10px}.primary{background:var(--green);color:#142820}.primary:hover{background:#c5f5d8}.secondary{border:1px solid #40534d;background:#1a2b2a;color:#d3e3dc}.secondary:hover{background:#2b4038}.subtle{background:#1c292c;color:#b3c3be}.button-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:21px}.metrics{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin:24px 0 30px}.metric{border:1px solid var(--line);border-radius:8px;padding:18px;background:var(--panel);display:flex;gap:14px;align-items:center}.metric-icon{width:36px;height:36px;border-radius:8px;display:grid;place-items:center;background:#26372f;color:var(--green);font-size:19px}.metric:nth-child(2) .metric-icon{background:#303129;color:#d1c28f}.metric:nth-child(3) .metric-icon{background:#2b2d3c;color:#b4b1de}.metric:nth-child(4) .metric-icon{background:#29373a;color:#91bdcd}.metric strong{display:block;font:600 21px Manrope,Arial}.metric small{font-size:10px;color:var(--muted);display:block;margin-top:4px}.section-heading{display:flex;justify-content:space-between;align-items:center;margin:28px 0 15px}.section-heading h2{font:600 17px Manrope,Arial;letter-spacing:-.4px;margin:0}.section-heading button{background:none;color:var(--green);font-size:11px}.home-grid{display:grid;grid-template-columns:1.5fr 1fr;gap:20px}.card{background:var(--panel);border:1px solid var(--line);border-radius:9px;padding:22px}.card h3{font:600 17px Manrope,Arial;margin:10px 0}.card p{font-size:12px;color:var(--muted);line-height:1.7}.lesson-preview{display:flex;gap:22px;align-items:center}.lesson-preview .mini-board{width:132px;flex-shrink:0;border-radius:5px;overflow:hidden}.pill{display:inline-flex;border:1px solid #34483e;border-radius:4px;padding:5px 8px;font-size:9px;letter-spacing:1px;color:var(--green)}.progress-bar{height:4px;border-radius:8px;background:#293936;overflow:hidden;margin:14px 0}.progress-bar i{display:block;height:100%;background:var(--green)}.mini-board{display:grid;grid-template-columns:repeat(8,1fr);aspect-ratio:1}.mini-square{aspect-ratio:1;background:var(--light);display:flex;align-items:center;justify-content:center}.mini-square.dark{background:var(--dark)}.mini-square svg{width:90%;height:90%}.theme-strip{display:grid;grid-template-columns:repeat(5,1fr);gap:14px}.theme-card{background:var(--panel);border:1px solid var(--line);border-radius:8px;overflow:hidden;padding:10px;text-align:left}.theme-card.chosen{border-color:var(--green);box-shadow:0 0 0 1px #a5e9c333}.theme-card .mini-board{border-radius:4px}.theme-card strong{display:block;font-size:11px;margin-top:10px}.theme-card small{display:block;font-size:9px;color:var(--muted);margin-top:4px}.page-heading{margin-bottom:25px}.page-heading h1{font:600 30px Manrope,Arial;letter-spacing:-1px;margin:8px 0}.page-heading p{color:var(--muted);font-size:13px;line-height:1.7;max-width:700px}.tabs{display:flex;flex-wrap:wrap;gap:8px;margin:20px 0}.tabs button{border:1px solid var(--line);background:var(--panel);color:var(--muted);padding:9px 15px;border-radius:6px;font-size:12px}.tabs button.active{color:var(--green);border-color:#547563;background:#21352c}.play-layout{display:grid;grid-template-columns:minmax(280px,650px) minmax(260px,1fr);gap:26px;align-items:start}.board-wrapper{width:100%}.player-bar{display:flex;align-items:center;justify-content:space-between;margin:0 0 13px;min-height:40px}.player-bar.bottom{margin:13px 0 0}.player-info{display:flex;align-items:center;gap:10px}.player-info .avatar{display:grid;place-items:center;border-radius:7px}.player-info strong{display:block;font-size:12px}.player-info small{font-size:10px;color:var(--muted)}.clock{font:600 22px monospace;padding:9px 16px;border-radius:5px;background:#223330;min-width:95px;text-align:center}.clock.active{background:#d8e8da;color:#14241d}.board{display:grid;grid-template-columns:repeat(8,1fr);width:100%;aspect-ratio:1;border:7px solid #2d4039;border-radius:8px;overflow:hidden;box-shadow:0 14px 45px #0004}.sq{position:relative;aspect-ratio:1;display:flex;align-items:center;justify-content:center;background:var(--light);padding:3px;border-radius:0;color:#273b33;min-width:0;overflow:hidden}.sq.dark{background:var(--dark);color:#dbe7db}.sq svg{width:95%;height:95%;filter:drop-shadow(0 3px 1px #0003);z-index:2;pointer-events:none}.sq.selected{background:#e8d47b!important}.sq.last{background:color-mix(in srgb,var(--light) 60%,#c4c66a)}.sq.last.dark{background:color-mix(in srgb,var(--dark) 55%,#b2b359)}.sq.target:after{content:'';width:25%;height:25%;border-radius:50%;background:#163e3655;position:absolute;z-index:3}.sq.target:has(svg):after{width:85%;height:85%;background:none;border:5px solid #163e3677}.sq .coord{font-size:10px;position:absolute;z-index:4;font-weight:700}.coord.file{right:4px;bottom:2px}.coord.rank{left:4px;top:2px}.board-controls{display:flex;gap:8px;justify-content:center;padding:15px}.board-controls button{background:none;color:var(--muted);font-size:12px;padding:6px 10px}.side-panel{display:grid;gap:16px}.coach-head{display:flex;gap:12px;align-items:center;margin-bottom:12px}.coach-icon{width:40px;height:40px;background:#2a4436;border:1px solid #45664e;color:var(--green);font-size:23px;display:grid;place-items:center;border-radius:50%}.coach-head h3{font-size:14px;margin:0 0 5px}.coach-head small{color:var(--green);font-size:9px}.coach-text{font-size:13px;line-height:1.8;color:#c6d4cf}.coach-text p{margin-top:0}.move-list{max-height:170px;overflow:auto;font:12px monospace;display:grid;grid-template-columns:35px 1fr 1fr;gap:9px;margin-top:15px}.move-list span:nth-child(3n+1){color:var(--muted)}.mode-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.mode-card{padding:17px;background:var(--panel);border:1px solid var(--line);border-radius:8px;text-align:left;display:grid;gap:8px}.mode-card:hover{border-color:#7caa8c}.mode-card strong{font:600 19px Manrope}.mode-card small{color:var(--muted);font-size:11px}.online-form{display:flex;gap:8px;flex-wrap:wrap;margin-top:15px}input,select{background:#0e191b;color:var(--text);border:1px solid #3a4b48;border-radius:5px;padding:11px 12px;min-width:0}input{flex:1;width:100%}label{color:var(--muted);font-size:12px;display:block;margin:14px 0 7px}.lesson-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.lesson-card{text-align:left;position:relative;display:flex;flex-direction:column;min-height:218px}.lesson-card .pill{align-self:flex-start}.lesson-card .primary{margin-top:auto;align-self:flex-start}.lesson-card.completed{border-color:#537761}.lesson-num{color:#52725f;font:700 25px Manrope;margin-bottom:12px}.progress-detail{display:flex;justify-content:space-between;color:var(--muted);font-size:11px}.leader-table{width:100%;border-collapse:collapse;text-align:left}.leader-table th{color:var(--muted);font-size:10px;letter-spacing:1px;text-transform:uppercase;font-weight:500}.leader-table td,.leader-table th{padding:17px;border-bottom:1px solid var(--line)}.leader-table td{font-size:13px}.leader-table tr:first-child td:first-child{color:#e2c27e}.empty{padding:45px 20px;text-align:center;color:var(--muted);line-height:1.8}.theme-gallery{display:grid;grid-template-columns:repeat(5,1fr);gap:18px}.theme-gallery .theme-card{padding:14px}.callout{padding:14px;border:1px solid #3e5044;background:#1a2c23;color:#b8d6c0;border-radius:7px;font-size:12px;line-height:1.7;margin:16px 0}.small{font-size:11px;color:var(--muted);line-height:1.6}.flex{display:flex;align-items:center;justify-content:space-between;gap:12px}.divider{height:1px;background:var(--line);margin:20px 0}footer{margin:0 42px;border-top:1px solid var(--line);padding:21px 0;display:flex;justify-content:space-between;color:#5f7674;font-size:10px}footer span{font-size:8px;letter-spacing:1.5px}#toast{position:fixed;bottom:28px;left:calc(50% + 100px);transform:translateX(-50%);padding:14px 22px;border:1px solid #4d6d58;background:#20382b;border-radius:8px;z-index:100;max-width:90vw;box-shadow:0 10px 30px #0007;display:none;font-size:13px}dialog{background:#152226;color:var(--text);border:1px solid #456057;border-radius:12px;padding:28px;max-width:540px;width:90vw;max-height:85vh}dialog::backdrop{background:#020a0ccc;backdrop-filter:blur(5px)}dialog h2{font:600 23px Manrope;margin-top:0}dialog p{line-height:1.8;color:#b5c7c0;font-size:13px}dialog .secondary{margin-top:20px}.promotion{display:flex;gap:12px}.promotion button{background:#567565;font-size:36px;padding:10px}.settings-row{display:flex;justify-content:space-between;align-items:center;gap:20px;margin:18px 0}.settings-row input{width:20px;flex:none}.high-contrast{--light:#fff;--dark:#4b5e52;--muted:#bac9c6}.large-text{font-size:17px}.large-text p,.large-text button,.large-text small{font-size:14px!important}.reduce-motion *{scroll-behavior:auto!important;transition:none!important;animation:none!important}body[data-board="cyber"] .board{box-shadow:0 0 28px #00d5e023;border-color:#154c58}body[data-board="glass"] .board{border-color:#617a8d}body[data-board="gold"] .board{border-color:#6c5837}body[data-board="cosmic"] .board{border-color:#494271}body[data-board="stone"] .sq{background-image:linear-gradient(25deg,#ffffff09,transparent 60%)}.solved-banner{border:1px solid #638e6e;background:#24432d;padding:15px;border-radius:7px;margin-bottom:15px;color:#c7f1d1}.online-status{font-size:11px;color:var(--green)}.theme-note{max-width:640px}
@media(min-width:1600px){main{padding-top:40px}.hero{min-height:330px}.hero-content{padding-top:10px}}@media(max-width:1200px){.sidebar{width:202px;padding:27px 13px}.brand{font-size:21px}.shell{margin-left:202px}header{padding:0 25px}main{padding:27px 25px}.metrics{gap:10px}.metric{padding:14px 10px;gap:8px}.metric-icon{width:30px;height:30px}.metric strong{font-size:19px}.play-layout{gap:18px;grid-template-columns:minmax(270px,1.35fr) minmax(240px,1fr)}.theme-gallery{grid-template-columns:repeat(4,1fr)}.lesson-grid{grid-template-columns:repeat(2,1fr)}}@media(max-width:950px){.sidebar{width:78px;padding:25px 10px}.brand{padding:0 10px 28px}.brand>span:last-child,.nav-button .nav-label,.nav-section,.side-bottom{display:none}.nav-button{padding:13px;justify-content:center}.nav-button span:first-child{width:auto;font-size:25px}.shell{margin-left:78px}.home-grid{grid-template-columns:1fr}.play-layout{grid-template-columns:1fr;max-width:690px;margin:auto}.side-panel{grid-template-columns:1fr 1fr}.side-panel .card:first-child{grid-column:1/-1}.theme-gallery{grid-template-columns:repeat(3,1fr)}.hero{min-height:300px}.hero-content{max-width:340px}.metrics{grid-template-columns:repeat(2,1fr)}.theme-strip{gap:8px}.theme-card{padding:7px}.theme-card strong{font-size:9px}#toast{left:55%}}@media(max-width:600px){.sidebar{width:auto;height:64px;top:auto;right:0;bottom:0;display:block;padding:0 6px;border-top:1px solid var(--line);border-right:0}.brand{display:none}nav{flex-direction:row;justify-content:space-around;height:100%;gap:0}.nav-button{flex:1;padding:7px 2px 5px;display:flex;flex-direction:column;gap:2px;border-radius:0;background:none!important}.nav-button span:first-child{font-size:21px}.nav-button .nav-label{display:block;font-size:8px}.nav-section{display:none}.shell{margin-left:0;padding-bottom:65px}header{height:62px;padding:0 18px}.breadcrumb{font-size:10px;gap:8px}.header-right{gap:12px;font-size:10px}.alpha{font-size:7px;padding:4px}.avatar{width:30px;height:30px}main{padding:22px 16px 30px}.greeting{align-items:flex-start}.greeting h1{font-size:22px}.greeting p{font-size:11px;max-width:220px;line-height:1.6}.streak{font-size:10px;padding:8px;gap:6px}.hero{padding:24px 20px;min-height:320px;background-position:60% center}.hero:before{background:linear-gradient(90deg,#10201ff5,#10201fa0 68%,#10201f40)}.hero h2{font-size:37px;letter-spacing:-1.5px;max-width:280px}.hero p{max-width:240px}.hero .eyebrow{font-size:8px}.primary,.secondary{padding:12px 14px;font-size:11px}.hero .secondary{background:#132421cc}.metrics{margin-top:17px;gap:9px}.metric{padding:14px 12px}.metric strong{font-size:20px}.lesson-preview{gap:15px}.lesson-preview .mini-board{width:104px}.card{padding:18px}.theme-strip{grid-template-columns:repeat(3,1fr)}.theme-strip .theme-card:nth-child(n+4){display:none}.theme-gallery{grid-template-columns:repeat(2,1fr);gap:12px}.lesson-grid{grid-template-columns:1fr}.side-panel{grid-template-columns:1fr}.side-panel .card{grid-column:1/-1}.board{border-width:4px;border-radius:5px}.sq{padding:1px}.sq .coord{font-size:8px}.page-heading h1{font-size:26px}.mode-grid{grid-template-columns:repeat(2,1fr)}.clock{font-size:20px;padding:7px 12px}.player-info small{font-size:9px}.board-controls{padding:10px 0;gap:1px}.board-controls button{padding:7px;font-size:10px}footer{margin:0 16px;font-size:9px;padding-bottom:20px}footer span{display:none}#toast{left:50%;bottom:82px;width:max-content;max-width:90vw}.leader-table td,.leader-table th{padding:13px 8px}.button-row{gap:8px}.theme-gallery .theme-card strong{font-size:12px}}

/* Piece selection is independent from the board colour palette. */
.piece-set-gallery{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:14px;margin-bottom:32px}
.piece-set-card{min-width:0;text-align:left;padding:14px;background:var(--panel);border:1px solid var(--line);border-radius:9px;color:var(--text)}
.piece-set-card:hover{border-color:#7caa8c}.piece-set-card.chosen{border-color:var(--green);box-shadow:0 0 0 1px #a5e9c333}
.piece-set-card strong{display:block;font-size:13px;margin-top:13px}.piece-set-card small{display:block;color:var(--muted);font-size:11px;line-height:1.6;margin-top:5px}
.piece-set-preview{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));border-radius:5px;overflow:hidden}
.piece-set-preview span{display:grid;place-items:center;aspect-ratio:1;background:var(--light)}.piece-set-preview span:nth-child(n+4){background:var(--dark)}
.piece-set-preview svg{width:100%;height:100%;max-height:85px}.sq svg.chess-piece-bold{width:100%;height:100%;filter:drop-shadow(0 3px 1px #0005)}
@media(max-width:1200px){.piece-set-gallery{grid-template-columns:repeat(3,minmax(0,1fr))}}
@media(max-width:600px){.piece-set-gallery{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.piece-set-card{padding:10px}.section-heading .small{max-width:145px;text-align:right;font-size:10px}}
/* Wizard coaching, touch dragging and the masters' library. */
.game-options{display:flex;align-items:end;gap:18px;flex-wrap:wrap;margin-bottom:24px}.game-options label{display:grid;gap:8px;color:var(--muted);font-size:13px;flex:1;min-width:160px}.game-options select{width:100%}.engine-credit{flex-basis:100%;margin:0}.engine-credit a,.score-source,.game-options a,#game-setup a{color:var(--green)}.coach-icon:has(img){width:76px;height:76px;flex-shrink:0;background:none;border:0}.coach-icon img{width:76px;height:76px;object-fit:cover;border-radius:22px;border:1px solid #527d72}.speech-bubble{position:relative;border:1px solid #37564e;background:linear-gradient(135deg,#142925,#142022);border-radius:5px 18px 18px 18px;padding:14px;margin:14px 0;color:#e0eee7}.speech-bubble p{margin:0;line-height:1.7}.speech-bubble:before{content:'';position:absolute;top:-7px;left:26px;width:12px;height:12px;border-left:1px solid #37564e;border-top:1px solid #37564e;background:#142925;transform:rotate(45deg)}.board .sq{touch-action:none;user-select:none;-webkit-user-select:none}.board svg{pointer-events:none}.board.dragging{cursor:grabbing}.drag-piece{position:fixed;z-index:200;pointer-events:none;filter:drop-shadow(0 8px 8px #0009);display:grid;place-items:center}.drag-piece svg{width:90%;height:90%}.classic-card{display:flex;flex-direction:column;gap:10px}.classic-card h3{margin:8px 0}.classic-card .primary{margin-top:auto}.classic-players{color:var(--text);font-weight:600}.classic-players span{color:var(--muted);font-size:12px}.score-source{display:block;margin-top:10px}.study-move{border:0;background:transparent;color:var(--text);padding:6px;border-radius:5px;text-align:left}.study-move.current{background:#386655;color:#fff;outline:1px solid var(--green)}.wizard-dialog img{width:110px;height:110px;object-fit:cover;border-radius:25px;float:left;margin:0 20px 12px 0}.wizard-dialog p{line-height:1.8}.wizard-dialog:after{content:'';display:block;clear:both}#game-setup>.card{margin-bottom:24px}button:focus-visible,a:focus-visible,select:focus-visible{outline:2px solid var(--green);outline-offset:3px}@media(max-width:600px){.game-options{gap:12px}.game-options .primary{width:100%}.game-options label{min-width:120px}.coach-icon:has(img),.coach-icon img{width:64px;height:64px}.wizard-dialog img{float:none;margin:0 0 12px}}
/* Accounts, avatars and personal game history. */
.auth-entry{padding:8px 12px;font-size:12px;max-width:180px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.avatar img,.player-info .avatar img{width:100%;height:100%;object-fit:cover;border-radius:inherit}.account-card{max-width:700px;margin:auto}.account-card form,.profile-layout form{display:grid;gap:15px}.account-card label,.profile-layout label{display:grid;gap:7px;color:var(--muted)}.account-card input,.profile-layout input,.profile-layout textarea{width:100%;background:var(--panel2);border:1px solid var(--line);border-radius:8px;color:var(--text);padding:12px;min-width:0}.profile-avatar-row{display:flex;align-items:center;gap:18px;margin-bottom:15px}.profile-avatar-row>img{width:96px;height:96px;border-radius:24px;object-fit:cover;border:2px solid var(--green)}.profile-avatar-row p{margin:4px 0}.avatar-picker{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:9px}.avatar-picker button{background:transparent;padding:3px;border:2px solid transparent;border-radius:14px}.avatar-picker button.chosen{border-color:var(--green)}.avatar-picker img{display:block;width:100%;aspect-ratio:1;max-height:75px;border-radius:12px}.avatar-upload{margin-top:10px}.form-error{color:#ffb9a6;line-height:1.6;min-height:1em}.profile-layout{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(0,1fr);gap:24px;align-items:start}.profile-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin:25px 0}.profile-stats strong,.profile-stats small{display:block}.profile-stats strong{font-size:25px;color:var(--green)}.profile-stats small{color:var(--muted);font-size:11px;line-height:1.6}.password-details{margin-top:25px;border-top:1px solid var(--line);padding-top:18px}.password-details summary{cursor:pointer;margin-bottom:20px}.games-section{margin-top:24px}.history-row{width:100%;background:var(--panel2);border:1px solid var(--line);border-radius:8px;display:flex;justify-content:space-between;gap:12px;text-align:left;padding:16px;margin-top:12px;align-items:center}.history-row strong,.history-row small{display:block}.history-row small{margin-top:6px;color:var(--muted)}.game-history{max-height:560px;overflow:auto}.leader-avatar{width:28px;height:28px;vertical-align:middle;border-radius:8px;margin-right:10px}.online-account{margin-bottom:20px}.profile-layout .card{min-width:0}#cloud-save-status{white-space:normal}@media(max-width:800px){.profile-layout{grid-template-columns:1fr}.profile-avatar-row>img{width:78px;height:78px}.history-row{flex-wrap:wrap}.profile-stats strong{font-size:22px}}@media(max-width:600px){.auth-entry{max-width:110px;padding:7px 9px;font-size:10px}.header-right{gap:7px}header{padding:0 10px}.breadcrumb{display:none}.avatar-picker{gap:5px}.profile-avatar-row{gap:12px}.history-row{padding:12px}.history-row>.pill{font-size:8px}.account-card .tabs{gap:10px}.game-history{max-height:none}.nav-button .nav-label{font-size:7px}}
.history-pages{margin-top:20px;align-items:center}.continue-practice{padding:8px 14px;color:var(--green)}.online-account{flex-wrap:wrap}
/* Royal 3D pieces and the expanded visual chess library. */
.chess-piece.topview-piece{width:100%;height:100%;object-fit:contain;pointer-events:none;user-select:none;filter:drop-shadow(0 3px 2px #0004)}.mini-square .topview-piece{position:relative;z-index:1}.piece-set-preview .topview-piece{width:100%;height:100%;max-height:85px}.drag-piece .topview-piece{width:100%;height:100%}.royal-studio{display:grid;grid-template-columns:minmax(220px,330px) minmax(0,1fr);gap:36px;align-items:center;margin-bottom:32px;background:radial-gradient(ellipse at top left,#3c3828,var(--panel) 65%)}.royal-studio h2{font-size:30px;line-height:1.2}.royal-board-preview .mini-board{border:10px solid #b89955;box-shadow:0 14px 28px #0007,0 0 0 1px #e1c888;border-radius:4px}.royal-board-preview .mini-square{overflow:visible}body[data-board="royal"] .board{border:11px solid #c6a367;box-shadow:0 0 0 2px #74522f,0 16px 30px #0008;border-radius:5px}.masters-section{margin-bottom:28px}.masters-gallery{display:flex;overflow-x:auto;gap:15px;padding:10px 2px 18px;scroll-snap-type:x proximity}.master-card{flex:0 0 150px;scroll-snap-align:start;min-width:0}.master-card button{padding:0;width:100%;text-align:left;background:var(--panel);border-radius:10px;overflow:hidden;border:1px solid var(--line)}.master-card img{display:block;width:100%;height:184px;object-fit:cover;object-position:center 22%;filter:saturate(.75)}.master-card strong,.master-card small{display:block;padding:0 10px}.master-card strong{font-size:13px;line-height:1.4;margin-top:10px}.master-card small{font-size:10px;color:var(--muted);margin:6px 0 12px}.master-card>a{display:block;font-size:8px;line-height:1.5;color:var(--muted);margin-top:6px;max-height:36px;overflow:auto}.master-card .selected-master{border-color:var(--green);box-shadow:0 0 0 2px #a5e9c344}.library-filters{display:flex;align-items:end;gap:15px;flex-wrap:wrap;margin-bottom:24px}.library-filters label{display:grid;gap:7px;color:var(--muted);font-size:12px;flex:1;min-width:150px}.library-filters input,.library-filters select{width:100%;background:var(--panel2);color:var(--text);border:1px solid var(--line);border-radius:7px;padding:12px}.library-filters label:first-child{flex:2;min-width:240px}.library-filters #classic-count{flex-basis:100%;color:var(--green)}.classic-thumbnail{width:100%;padding:0;background:transparent;border-radius:7px;overflow:hidden}.classic-thumbnail img{display:block;width:100%;height:auto;aspect-ratio:400/425}.classic-card .classic-players{display:grid;gap:7px}.game-player{display:flex;align-items:center;gap:9px;font-size:12px}.game-player img{width:32px;height:39px;object-fit:cover;object-position:top;border-radius:5px}.classic-players>small{font-weight:400;color:var(--muted);padding-left:40px}.position-caption{font-size:10px;line-height:1.6}.portrait-credits{max-height:55vh;overflow:auto}.portrait-credits a{color:var(--green)}@media(max-width:800px){.royal-studio{grid-template-columns:1fr;gap:22px}.royal-board-preview{max-width:340px;margin:auto;width:100%}.royal-studio h2{font-size:25px}.library-filters label:first-child{min-width:100%}.masters-gallery{gap:12px}.master-card{flex-basis:132px}.master-card img{height:163px}}@media(max-width:600px){body[data-board="royal"] .board{border-width:7px}.royal-studio{padding:22px}.library-filters label{min-width:110px}.library-filters .secondary{width:100%}.classics-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.classic-card{padding:11px;gap:8px}.classic-card h3{font-size:14px}.classic-card .pill{font-size:8px;line-height:1.5;white-space:normal}.classic-card p{font-size:11px}.classic-card .primary{font-size:10px;padding:10px 8px}.game-player{font-size:10px;gap:5px}.game-player img{width:24px;height:30px}.classic-players>small{padding-left:29px}.masters-section .section-heading{align-items:start;gap:10px}.masters-section h2{font-size:18px}}