:root {
  --background:#f5f1e9; --sidebar:#292821; --surface:#fffdfa; --surface-soft:#eee8dd;
  --line:#e0d7c8; --ink:#2c2c26; --muted:#777569; --gold:#b48a46;
  --gold-hover:#9b7131; --gold-wash:#f6ebd4; --green:#4d6754; --green-soft:#e5ede4;
  --positive:#486c53; --warn:#9f6233; --board-light:#f1dfbe; --board-dark:#947051;
  --shadow:0 8px 28px rgba(65,45,26,.045); --radius:19px; --sidebar-border:#453f33;
  font-family: -apple-system,BlinkMacSystemFont,"Segoe UI",Inter,Arial,sans-serif;
}
body[data-theme="dark"] {
  --background:#211e19;--sidebar:#171814;--surface:#2c2922;--surface-soft:#393429;
  --line:#50483a;--ink:#f4eee2;--muted:#bbb09c;--gold:#d2ac69;
  --gold-hover:#e9c48a;--gold-wash:#463927;--green:#93ac8d;--green-soft:#344137;
  --positive:#b2d0a8;--warn:#f3bf88;--shadow:0 10px 32px rgba(0,0,0,.12);--sidebar-border:#343228;
}
*{box-sizing:border-box} html{scroll-behavior:smooth}body{margin:0;background:var(--background);color:var(--ink);transition:background .2s,color .2s} button,input,select{font:inherit}button{cursor:pointer}a{color:inherit}a:focus-visible,button:focus-visible,input:focus-visible{outline:3px solid var(--gold);outline-offset:3px}.layout{display:grid;grid-template-columns:242px minmax(0,1fr);max-width:1440px;margin:auto;min-height:100vh}.sidebar{background:var(--sidebar);border-right:1px solid var(--sidebar-border);height:100vh;position:sticky;top:0;color:#eee5d4;padding:27px 17px;display:flex;flex-direction:column;gap:25px}.brand{display:flex;align-items:center;gap:12px;padding:0 7px}.brand-icon{width:48px;height:48px;border-radius:14px;background:#c3a16b;display:grid;place-items:center;font:38px Georgia,serif;color:#27231c;box-shadow:inset 0 0 0 2px #e3c99e}.brand-name{font-size:19px;font-weight:790;letter-spacing:-.7px}.brand-caption{font-size:10px;letter-spacing:1.3px;text-transform:uppercase;color:#cfc3ac;margin-top:3px}.nav{display:grid;gap:6px}.nav button{background:transparent;border:1px solid transparent;color:#d1c5b1;border-radius:11px;padding:13px 12px;text-align:left;display:flex;align-items:center;gap:13px;font-weight:630;font-size:14px}.nav button .ni{font:21px Georgia,serif;width:25px;text-align:center}.nav button.active{background:#51412a;border-color:#715735;color:#ffe3a7}.nav button:hover{background:#3d392e}.side-bottom{margin-top:auto;padding:17px 9px 3px;border-top:1px solid #554b3b;font-size:12px;color:#c6bda9;line-height:1.65}.side-bottom strong{display:block;color:#f0d29b;font-weight:650}.main{width:100%;max-width:1130px;margin:auto;padding:27px 38px 96px;min-width:0}.topbar{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:12px;margin-bottom:24px}.product-label{font-size:12px;letter-spacing:1.3px;text-transform:uppercase;color:var(--muted);font-weight:800}.theme-switch{display:flex;gap:4px;align-items:center;padding:4px;border-radius:30px;background:var(--surface-soft);border:1px solid var(--line)}.theme-switch button{border:0;border-radius:25px;background:transparent;color:var(--muted);font-weight:700;font-size:12px;padding:7px 12px}.theme-switch button.active{background:var(--surface);color:var(--ink);box-shadow:0 2px 7px #0001}.preview-note{padding:11px 15px;background:var(--gold-wash);border:1px solid var(--line);color:var(--ink);border-radius:11px;font-size:12px;line-height:1.55;margin:0 0 25px;display:flex;gap:10px;align-items:flex-start}.preview-note span:first-child{color:var(--gold);font-size:17px}.eyebrow{color:var(--gold-hover);font-weight:800;text-transform:uppercase;font-size:11px;letter-spacing:2.1px;margin-bottom:10px}.hero{display:flex;align-items:flex-start;justify-content:space-between;gap:16px;margin-bottom:25px}.hero-copy{max-width:720px}h1,h2,h3,p{margin-top:0}h1,h2.serif{font-family:Georgia,"Times New Roman",serif;font-weight:600;letter-spacing:-.8px}h1{font-size:clamp(29px,3.6vw,44px);line-height:1.14;margin-bottom:12px}h1 em{color:var(--gold-hover);font-style:normal}h2{font-size:19px;margin-bottom:13px;letter-spacing:-.35px}h3{font-size:15px;margin-bottom:8px}p{font-size:14px;line-height:1.63;color:var(--muted);margin-bottom:12px}.hero p{margin-bottom:0;max-width:590px}.hero-icon{width:78px;height:78px;border:1px solid #d7c09b;border-radius:21px;background:var(--gold-wash);color:var(--gold-hover);display:grid;place-items:center;font:68px Georgia,serif;flex:0 0 auto}.columns{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(0,.8fr);gap:17px}.stack{display:flex;flex-direction:column;gap:17px;min-width:0}.panel{background:var(--surface);border:1px solid var(--line);box-shadow:var(--shadow);border-radius:var(--radius);padding:23px;min-width:0}.panel.highlight{border-top:4px solid var(--gold)}.panel.soft{background:var(--surface-soft)}.panel-title{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:10px;margin-bottom:13px}.panel-title h2,.panel-title h3{margin:0}.muted{color:var(--muted)}.small{font-size:12px;line-height:1.55}.micro{font-size:11px}.pill{font-size:11px;font-weight:750;background:var(--green-soft);border:1px solid var(--line);color:var(--green);padding:6px 10px;border-radius:30px}.tag{font-size:11px;color:var(--muted);border:1px solid var(--line);background:var(--surface-soft);border-radius:7px;padding:5px 8px}.button{display:inline-flex;align-items:center;justify-content:center;gap:7px;text-decoration:none;border-radius:11px;padding:11px 15px;font-weight:780;border:1px solid transparent;font-size:13px;line-height:1.4}.button.primary{background:var(--gold);color:#211b14}.button.primary:hover{background:var(--gold-hover);color:#211b14}.button.outline{background:var(--surface);color:var(--ink);border-color:var(--line)}.button.outline:hover{border-color:var(--gold)}.button.quiet{background:var(--surface-soft);color:var(--ink);border-color:var(--line)}.button:disabled{opacity:.45;cursor:not-allowed}.button.full{width:100%}.profile-row{display:flex;gap:12px;justify-content:space-between;align-items:center}.profile-name{font-size:21px;font-weight:750;letter-spacing:-.5px}.metrics{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:9px;margin:19px 0}.metric{padding:13px;background:var(--surface-soft);border:1px solid var(--line);border-radius:11px}.metric b{font-family:Georgia,serif;font-size:27px;font-weight:600;display:block}.metric small{font-size:11px;color:var(--muted);line-height:1.4}.task{display:flex;gap:12px;align-items:center;padding:13px 0;border-bottom:1px solid var(--line)}.task:last-child{border-bottom:0}.task-icon{background:var(--green-soft);color:var(--green);height:39px;width:39px;border-radius:11px;display:grid;place-items:center;font-size:20px;flex:0 0 auto}.task-copy{flex:1;min-width:0}.task-copy strong{display:block;font-size:13px}.task-copy small{display:block;color:var(--muted);font-size:12px;margin-top:4px}.question{border-left:3px solid var(--gold);border-radius:0 11px 11px 0;background:var(--gold-wash);padding:13px 15px;font-size:13px;line-height:1.7}.inline-actions{display:flex;flex-wrap:wrap;gap:9px;margin-top:16px}.sep{border:0;border-top:1px solid var(--line);margin:17px 0}.input-row{display:flex;gap:9px;margin:15px 0 12px}.input-row input{min-width:0;flex:1;border:1px solid var(--line);border-radius:11px;padding:12px 14px;color:var(--ink);background:var(--surface);font-size:14px}.input-row input:focus{border-color:var(--gold);outline:none;box-shadow:0 0 0 3px var(--gold-wash)}.chips{display:flex;align-items:center;gap:7px;flex-wrap:wrap}.chips button{background:var(--surface-soft);border:1px solid var(--line);border-radius:10px;color:var(--muted);font-size:12px;padding:8px 11px;font-weight:730}.chips button.active{background:var(--gold);border-color:var(--gold);color:#211b14}.result{display:flex;align-items:center;justify-content:space-between;gap:10px;border:1px solid var(--line);background:var(--surface);padding:13px;border-radius:11px;margin-top:10px}.result strong{font-size:14px;display:block}.result small{font-size:12px;line-height:1.5;color:var(--muted);display:block;margin-top:5px}.result button{font-size:12px;white-space:nowrap}.result-button{border:1px solid var(--line);color:var(--ink);background:var(--surface-soft);border-radius:9px;padding:8px 10px;font-weight:750}.result-button:hover{border-color:var(--gold)}.count{font-family:Georgia,serif;font-size:32px}.stat-row{display:grid;grid-template-columns:140px minmax(0,1fr) 37px;align-items:center;gap:11px;margin-top:16px;font-size:12px}.bar{height:10px;background:var(--surface-soft);border-radius:9px;overflow:hidden;border:1px solid var(--line)}.bar span{display:block;height:100%;background:var(--gold)}.stat-row b{text-align:right}.board-wrap{max-width:398px;margin:10px auto 0}.board{display:grid;grid-template-columns:repeat(8,minmax(0,1fr));aspect-ratio:1;overflow:hidden;border:6px solid #614d39;box-shadow:0 12px 24px #2d1d1021;border-radius:6px;background:var(--board-light)}.cell{aspect-ratio:1;display:flex;align-items:center;justify-content:center;position:relative;font-size:clamp(23px,3.2vw,45px);font-family:"DejaVu Sans","Segoe UI Symbol",serif;line-height:1}.cell.light{background:var(--board-light)}.cell.dark{background:var(--board-dark)}.cell .white{color:#fcf8f0;-webkit-text-stroke:.8px #33271e;filter:drop-shadow(0 1px 1px #24190f66)}.cell .black{color:#251f1a;-webkit-text-stroke:.35px #ece1d0;filter:drop-shadow(0 1px 1px #ede1c066)}.cell.last:after{content:"";pointer-events:none;position:absolute;inset:0;box-shadow:inset 0 0 0 4px #c89b45aa}.rank-label,.file-label{position:absolute;font-family:Arial,sans-serif;font-size:10px;font-weight:700;line-height:1;opacity:.76}.rank-label{top:3px;left:3px}.file-label{right:3px;bottom:2px}.dark .rank-label,.dark .file-label{color:#faf2df}.light .rank-label,.light .file-label{color:#65472d}.board-controls{display:flex;align-items:center;justify-content:center;gap:9px;margin:13px 0 8px}.board-controls button{border:1px solid var(--line);border-radius:10px;background:var(--surface-soft);color:var(--ink);min-width:42px;height:38px;font-size:17px}.board-controls button:hover{border-color:var(--gold)}.board-controls span{color:var(--muted);font-size:12px;min-width:85px;text-align:center}.moves{display:flex;flex-wrap:wrap;gap:7px;margin-top:14px}.moves button{border:1px solid var(--line);border-radius:7px;background:var(--surface-soft);padding:6px 9px;color:var(--ink);font-size:12px}.moves button.active{border-color:var(--gold);background:var(--gold-wash)}.empty{border:1px dashed var(--line);padding:16px;border-radius:10px;color:var(--muted);font-size:13px;line-height:1.6}.view{display:none}.view.active{display:block}.bottomnav{display:none}.tournament-actions{display:flex;gap:8px;flex-wrap:wrap}.link{color:var(--gold-hover);text-underline-offset:3px;font-size:13px}.status{font-size:12px;line-height:1.6;color:var(--muted)}.status.good{color:var(--positive)}.footer-note{font-size:11px;color:var(--muted);line-height:1.5;margin-top:30px}.disclaimer{font-size:11px;color:var(--muted);margin-top:10px}.toast{position:fixed;z-index:80;bottom:30px;right:23px;max-width:min(420px,calc(100vw - 32px));border-radius:12px;background:#302b22;color:#f7eddc;border:1px solid #b4915d;padding:12px 16px;font-size:13px;box-shadow:0 16px 32px #0004;display:none}.modal-back{position:fixed;inset:0;z-index:70;display:none;align-items:center;justify-content:center;padding:20px;background:#17130ca6}.modal-back.open{display:flex}.modal{max-width:470px;background:var(--surface);border:1px solid var(--line);border-radius:20px;padding:26px;box-shadow:0 20px 80px #0005}.modal h2{font:600 25px Georgia,serif}.modal p{font-size:14px}.modal button{margin-top:10px}.tiny-link{border:0;background:transparent;color:var(--gold-hover);font-weight:750;padding:2px 0;text-align:left;font-size:12px}.mobile-head{display:none}
@media(max-width:980px){.layout{grid-template-columns:204px minmax(0,1fr)}.main{padding:24px 22px 95px}.columns{grid-template-columns:minmax(0,1fr)}.sidebar{padding:22px 10px}.nav button{font-size:13px}.stat-row{grid-template-columns:135px 1fr 35px}}
@media(max-width:690px){.layout{display:block}.sidebar{display:none}.main{padding:15px 15px 110px}.mobile-head{display:flex;align-items:center;gap:9px;margin-bottom:14px}.mobile-head .brand-icon{height:37px;width:37px;font-size:29px;border-radius:11px}.mobile-head strong{font-size:17px}.topbar{margin-bottom:16px}.hero{margin-bottom:18px;gap:9px}.hero-icon{height:52px;width:52px;font-size:45px;border-radius:14px}.eyebrow{font-size:10px}h1{font-size:clamp(28px,7.4vw,35px)}.panel{padding:18px;border-radius:16px}.columns,.stack{gap:13px}.metrics{gap:7px}.metric{padding:11px}.metric b{font-size:23px}.metric small{font-size:10px}.preview-note{font-size:11px;padding:10px 11px}.bottomnav{position:fixed;z-index:25;bottom:0;left:0;right:0;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));padding:8px 8px calc(8px + env(safe-area-inset-bottom));gap:4px;background:var(--sidebar);border-top:1px solid var(--sidebar-border);box-shadow:0 -4px 24px #0002}.bottomnav button{border:0;background:transparent;color:#d2c6b6;border-radius:10px;padding:7px 2px;font-size:11px;font-weight:700;display:flex;flex-direction:column;gap:3px;align-items:center}.bottomnav button span{font:24px Georgia,serif;line-height:1.05}.bottomnav button.active{background:#51412a;color:#ffdd9c}.stat-row{grid-template-columns:112px 1fr 35px}.board-wrap{max-width:100%}.cell{font-size:clamp(24px,9vw,43px)}.toast{bottom:89px;right:10px}.result{padding:12px}.profile-name{font-size:18px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}