/* chess_brand.css - Chess.sg shared design system (2026-06-17)
   Link from every screen: <link rel="stylesheet" href="/chess_brand.css"/>
   Then delete that screen's inline :root + duplicated component CSS.
   Fixes baked in: WCAG AA contrast, visible focus rings, 48px tap targets,
   one canonical palette/spacing/breakpoint, and a status region for aria-live. */

:root{
  /* brand palette */
  --cream:#F7EFE3; --card:#FCFAF4; --charcoal:#1E1B17; --ink:#211E1A;
  --flame:#ED6A1C; --bright:#F4811F; --burnt:#AF4A0E;
  --stone:#5C5446;            /* body-secondary, ~7:1 on cream, AA */
  --muted:#6B6353;            /* hints/legal, ~4.7:1 on cream, AA (was #9A917F ~2.6:1, FAIL) */
  --line:#E4DACA; --field:#FBF6EC; --fieldLine:#DFD4C1;
  --good:#2E7D32; --ok-bg:#E7F0E3; --ok-line:#BFD7B3; --ok-ink:#2E5A22;
  --err-bg:#F7E7D6; --err-line:#E6C6A0; --err-ink:#AF4A0E;
  /* scale */
  --radius:13px; --radius-lg:18px; --gap:16px; --maxw:480px; --bp:760px;
  --focus:3px solid var(--flame); --shadow:0 1px 3px rgba(30,27,23,.08);
  --tap:48px;                 /* minimum interactive height/width */
  --font:'Poppins',-apple-system,system-ui,Segoe UI,Roboto,sans-serif;
  --display:'Passion One',var(--font);
}
*{box-sizing:border-box;margin:0;padding:0;}
html,body{background:var(--cream);}
body{font-family:var(--font);-webkit-font-smoothing:antialiased;color:var(--ink);min-height:100vh;line-height:1.55;}

/* layout */
.shell{display:flex;justify-content:center;padding:0 0 40px;}
.card{width:100%;max-width:var(--maxw);}
.card--wide{max-width:920px;}
.head{background:var(--charcoal);color:var(--cream);padding:20px 22px 22px;border-radius:0 0 var(--radius-lg) var(--radius-lg);}
.brand{font-size:13px;font-weight:600;opacity:.85;}.brand .sg{color:var(--flame);}
.eyebrow{margin-top:16px;font-size:12px;font-weight:500;letter-spacing:.16em;text-transform:uppercase;opacity:.65;}
h1{font-family:var(--display);font-weight:700;font-size:clamp(31px,8.5vw,40px);line-height:.96;margin-top:5px;}
.lede{margin-top:9px;font-size:13.5px;opacity:.78;}
.checker{height:7px;background-image:linear-gradient(90deg,var(--charcoal) 50%,transparent 50%);background-size:14px 7px;opacity:.16;margin:0 22px;}
.body{padding:18px;}

/* forms */
.field{margin-bottom:var(--gap);}
.label{display:block;font-size:12px;font-weight:600;letter-spacing:.12em;text-transform:uppercase;color:var(--stone);margin-bottom:8px;}
.label .opt{font-weight:400;letter-spacing:.02em;text-transform:none;color:var(--muted);}
input:not([type=checkbox]):not([type=radio]),select,textarea{width:100%;font-family:inherit;font-size:16px;/* 16px stops iOS zoom-on-focus */
  color:var(--ink);background:var(--field);border:1.5px solid var(--fieldLine);border-radius:12px;padding:13px;min-height:var(--tap);}
input:focus-visible,select:focus-visible,textarea:focus-visible{outline:var(--focus);outline-offset:1px;border-color:var(--flame);}
.two{display:flex;gap:10px;}.two>*{flex:1;min-width:0;}
.hint{font-size:12.5px;color:var(--muted);line-height:1.5;}

/* buttons - primary is dark ink on flame (AA); white-on-flame FAILS, do not use */
.btn{display:flex;align-items:center;justify-content:center;gap:8px;width:100%;min-height:var(--tap);
  padding:14px 16px;font-family:inherit;font-size:16px;font-weight:600;border-radius:var(--radius);cursor:pointer;border:1.5px solid transparent;}
.btn-primary{background:var(--flame);color:var(--ink);}
.btn-primary:hover:not(:disabled){background:var(--bright);}
.btn-secondary{background:var(--card);color:var(--ink);border-color:var(--line);}
.btn-secondary:hover:not(:disabled){border-color:var(--stone);}
.btn:focus-visible{outline:var(--focus);outline-offset:2px;}
.btn:disabled{background:var(--line);color:var(--stone);cursor:not-allowed;border-color:transparent;}

/* selectable option card (replaces ad-hoc .slot/.chip/.pill) */
.option{display:flex;align-items:center;justify-content:space-between;gap:10px;width:100%;min-height:var(--tap);
  text-align:left;background:var(--card);border:1.5px solid var(--line);border-radius:var(--radius);padding:13px 15px;margin-bottom:9px;cursor:pointer;font-family:inherit;}
.option:hover{border-color:var(--stone);}
.option:focus-visible{outline:var(--focus);outline-offset:2px;}
/* console shell tabs (joanne/kevin/jed/sabrina/coach): the shells define .tab inline but
   shipped no visible keyboard-focus state; give every console tab the same flame ring as
   buttons and inputs so keyboard users can see the focused tab (harden-09, WCAG 2.4.7). */
.tab:focus-visible{outline:var(--focus);outline-offset:2px;}
.option[aria-pressed="true"],.option.on{border-color:var(--flame);background:#FFF6EE;box-shadow:inset 0 0 0 1.5px var(--flame);}
.option .when{display:block;font-size:15px;font-weight:600;}
.option .meta{display:block;font-size:12.5px;color:var(--stone);margin-top:2px;}
.badge{flex-shrink:0;font-size:11px;font-weight:600;color:var(--burnt);background:#F7E7D6;border-radius:99px;padding:4px 9px;}

/* status + toast (give the element role="status" so it is announced) */
.msg{margin:14px 0 0;padding:12px 14px;border-radius:11px;font-size:13px;line-height:1.45;display:none;}
.msg.show{display:block;}
.msg.err{background:var(--err-bg);border:1px solid var(--err-line);color:var(--err-ink);}
.msg.ok{background:var(--ok-bg);border:1px solid var(--ok-line);color:var(--ok-ink);}
.toast{position:fixed;left:50%;bottom:18px;transform:translateX(-50%);max-width:92%;z-index:50;
  padding:13px 16px;border-radius:12px;font-size:14px;font-weight:500;box-shadow:0 6px 20px rgba(30,27,23,.18);display:none;}
.toast.show{display:block;}
.toast.err{background:var(--err-bg);border:1px solid var(--err-line);color:var(--err-ink);}
.toast.ok{background:var(--charcoal);color:var(--cream);}

/* success */
.done{text-align:center;padding:10px 4px;}
.done .tick{width:54px;height:54px;border-radius:50%;background:var(--good);color:#fff;display:flex;align-items:center;justify-content:center;font-size:30px;margin:8px auto 14px;}
.done h2{font-family:var(--display);font-size:30px;margin-bottom:6px;}
.done p{font-size:14px;color:var(--stone);}

/* utilities */
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0;}
a{color:var(--burnt);}
@media (prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important;}}