/* fallback colours, used only if /theme.css cannot load; /theme.css replaces every one of them */
:root{--bg:#eef4f8;--surface:#ffffff;--text:#16202a;--muted:#475a6b;--line:#c5d3de;--control:#647c90;--btn:#0e8fd6;--on-btn:#10151a;--link:#0b75b0;--link-hover:#0f5781;--link-visited:#380bb0;--accent:#d6336c;--on-accent:#ffffff;--accent-text:#d02a64;--focus:#0e8fd6;--warn-bg:#fff3cd;--warn-text:#5c4400;--ok-bg:#e4f5e7;--ok-text:#1b5e2c;--err-bg:#fde8e6;--err-text:#8a1c14;--danger:#b3261e;--on-danger:#ffffff;--cell:#ffffff;--cell-peer:#ddeff9;--cell-same:#a3d4ef;--cell-sel:#73bee7;--cell-guide:#fef3c4;--cell-spot:#e6d4f2;--cell-badbg:#fbd5d1;--cell-hintreg:#deefe1;--cell-hint:#b0dab9;--ink:#16202a;--mine:#095c89;--bad:#a33024;--notes:#475a6b;--hint-ring:#27853b;--lv-easy:#2b8352;--on-lv-easy:#ffffff;--lv-medium:#1f77b4;--on-lv-medium:#ffffff;--lv-hard:#c28a00;--on-lv-hard:#10151a;--lv-expert:#c2185b;--on-lv-expert:#ffffff;--lv-master:#6a1b9a;--on-lv-master:#ffffff;--scrim:rgba(0,0,0,.55);--font-head:system-ui,Segoe UI,Arial,sans-serif;--font-body:system-ui,Segoe UI,Arial,sans-serif;--radius:8px}
/* MASTER STYLE SHEET. Every page of the public site and the staff area uses this one file; pages carry no styles of their own.
   Colours, fonts and the corner radius come from named slots (--bg, --surface, --text, --link ...) that /theme.css fills in for each site, in light and dark.
   To change how something looks, change it here or in the theme: never on a page. */
*{box-sizing:border-box}
[hidden]{display:none!important}
html{-webkit-text-size-adjust:100%}
body{margin:0;font-family:var(--font-body);font-size:1rem;line-height:1.5;color:var(--text);background:var(--bg)}
h1,h2,h3{font-family:var(--font-head);line-height:1.2}
h2,h3{margin:1em 0 .3em}
a{color:var(--link);text-decoration:underline;text-underline-offset:.14em}
a:visited{color:var(--link-visited)}
a:hover{color:var(--link-hover)}
:focus-visible{outline:3px solid var(--focus);outline-offset:2px}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.prewrap{white-space:pre-wrap}.breakall{word-break:break-all}.inline{display:inline}.narrow{max-width:110px}.spaced{margin-top:1.5em}
.mono,code{font-family:ui-monospace,Consolas,monospace}

/* page frame */
header.top{display:grid;grid-template-columns:minmax(0,1fr) auto minmax(0,1fr);align-items:center;gap:6px 16px;padding:8px 16px;background:var(--surface);border-top:4px solid transparent;border-image:linear-gradient(90deg,var(--lv-easy),var(--lv-medium),var(--lv-hard),var(--lv-expert),var(--lv-master)) 1;border-bottom:1px solid var(--line)}
header.top a.home,header.top a.home:visited{display:flex;align-items:center;gap:10px;color:var(--text);text-decoration:none;min-width:0}
header.top .words{display:flex;flex-direction:column;min-width:0}
header.top .name{font-family:var(--font-head);font-weight:700;font-size:1.3rem;line-height:1.15}
header.top .slogan{color:var(--muted);font-size:.9rem;line-height:1.2}
header.top .logo{max-height:44px;max-width:120px}
header.top .where{text-align:center}
header.top .where p{margin:0}
header.top .date{font-weight:700;font-size:1.05rem;color:var(--text)}
header.top .when{font-size:.85rem;color:var(--muted)}
header.top .right{display:flex;align-items:center;justify-content:flex-end;gap:8px;min-height:40px}
.nav{display:flex;align-items:center;gap:4px;flex-wrap:wrap;justify-content:flex-end}
.nav a,.nav button{font:inherit;font-weight:700;font-size:.95rem;padding:7px 14px;border-radius:var(--radius);border:2px solid var(--control);background:var(--surface);color:var(--text);text-decoration:none;cursor:pointer;line-height:1.2}
.nav a:visited{color:var(--text)}
.nav a:hover,.nav button:hover,.nav a:focus-visible,.nav button:focus-visible{background:var(--cell-peer);color:var(--text);border-color:var(--link)}
.nav a[aria-current=page],.nav a.cta[aria-current=page],.sections a[aria-current=page]{background:var(--accent);border-color:var(--accent);color:var(--on-accent)}
.nav a.cta,.nav a.cta:visited,.nav a.cta:hover{background:var(--btn);border-color:var(--control);color:var(--on-btn)}
.nav a[aria-current=page],.nav a[aria-current=page]:visited,.nav a[aria-current=page]:hover,.sections a[aria-current=page],.sections a[aria-current=page]:visited{background:var(--accent);border-color:var(--accent);color:var(--on-accent)}
.nav form{display:inline;margin:0}
.iconbtn{display:inline-flex;align-items:center;justify-content:center;width:40px;height:40px;padding:0;border:1px solid var(--control);border-radius:50%;background:var(--surface);color:var(--text);cursor:pointer}
.iconbtn:hover{background:var(--cell-peer)}
header.top .icons{display:flex;align-items:center;gap:8px}
header.top{position:relative}
.menubtn{display:none}
.authbtns{display:none}
.menuwrap{position:relative}
.menu{position:absolute;right:0;top:calc(100% + 8px);z-index:20;min-width:230px;max-width:86vw;background:var(--surface);border:2px solid var(--control);border-radius:var(--radius);padding:8px;display:flex;flex-direction:column;gap:6px;box-shadow:0 8px 24px rgba(0,0,0,.35)}
.menu[hidden]{display:none}
.menu .hello{margin:2px 6px 4px;text-align:center;font-weight:700;overflow-wrap:anywhere}
.menu a,.menu button{display:block;width:100%;font:inherit;font-weight:700;text-align:center;padding:10px 14px;border-radius:var(--radius);border:2px solid var(--control);background:var(--surface);color:var(--text);text-decoration:none;cursor:pointer;line-height:1.2}
.menu .hello a{display:inline;border:0;padding:0;width:auto;background:none;color:var(--link);text-decoration:underline}
.menu a:hover,.menu button:hover,.menu a:focus-visible,.menu button:focus-visible{background:var(--cell-peer);border-color:var(--link)}
.menu a[aria-current=page]{background:var(--accent);border-color:var(--accent);color:var(--on-accent)}
.menu form{margin:0}
@media (max-width:1024px){header.top{grid-template-columns:minmax(0,1fr) auto}
 header.top .where{grid-column:1 / -1;grid-row:3;text-align:center}
 header.top .right{display:contents}
 header.top .icons{grid-row:1;grid-column:2}
 header.top .iconbtn{grid-row:1;grid-column:2}
 header.top .icons .iconbtn{grid-row:auto;grid-column:auto}
 header.top .nav{display:none}
 .menubtn:not([hidden]){display:inline-flex}
 .authbtns{display:flex;grid-row:2;grid-column:1 / -1;justify-content:flex-end;gap:8px}
 .authbtns a,.authbtns a:visited{font:inherit;font-weight:700;font-size:.95rem;padding:7px 18px;border-radius:var(--radius);border:2px solid var(--control);background:var(--surface);color:var(--text);text-decoration:none;line-height:1.2}
 .authbtns a.cta,.authbtns a.cta:visited{background:var(--btn);color:var(--on-btn)}
 .authbtns a[aria-current=page],.authbtns a[aria-current=page]:visited{background:var(--accent);border-color:var(--accent);color:var(--on-accent)}
 .authbtns:empty{display:none}
 .sections{justify-content:center}}
h1{margin:0;font-size:1.7rem}
.tag,.date{margin:4px 0;color:var(--muted)}
main{max-width:520px;margin:0 auto;padding:12px 12px 40px}
.note{text-align:center;color:var(--muted)}
.logo{max-height:64px;max-width:80%}
.about{line-height:1.5}
footer{text-align:center;padding:16px 12px;font-size:.92rem;color:var(--muted);border-top:1px solid var(--line)}
footer a,footer .linkbtn{margin:0 .2em;text-decoration:none;font-weight:700}
footer a:hover{text-decoration:underline}
.ver{font-size:.85rem}
.banner{background:var(--warn-bg);color:var(--warn-text);padding:10px 14px;text-align:center;font-size:.95rem;border-bottom:1px solid var(--line)}
.banner a{color:inherit}
.linkbtn{border:0;background:none;color:var(--link);font:inherit;text-decoration:underline;cursor:pointer;padding:0}
.linkbtn:hover{color:var(--link-hover)}

/* buttons */
.cta,.btn,button.cta,.staff button{display:inline-block;background:var(--btn);color:var(--on-btn);border:0;border-radius:var(--radius);padding:10px 18px;font:inherit;font-weight:700;text-decoration:none;cursor:pointer}
a.cta,a.cta:visited,a.cta:hover,a.btn,a.btn:visited,a.btn:hover{color:var(--on-btn);text-decoration:none}
.cta:hover,.btn:hover,.staff button:hover{filter:brightness(1.08)}
.cta.big{font-size:1.1rem;padding:12px 22px}
.alt,.staff button.alt,a.btn.alt,a.btn.alt:visited,a.btn.alt:hover{background:var(--surface);color:var(--text);border:2px solid var(--control)}
.danger,.cta.danger,.staff button.danger{background:var(--danger);color:var(--on-danger)}
button:disabled{opacity:.55;cursor:default}

/* level colours (labels, tabs, trails later) */
.lv-easy{--lv:var(--lv-easy);--on-lv:var(--on-lv-easy)}.lv-medium{--lv:var(--lv-medium);--on-lv:var(--on-lv-medium)}.lv-hard{--lv:var(--lv-hard);--on-lv:var(--on-lv-hard)}
.lv-expert{--lv:var(--lv-expert);--on-lv:var(--on-lv-expert)}.lv-master{--lv:var(--lv-master);--on-lv:var(--on-lv-master)}
.pill{display:inline-block;border-radius:999px;padding:2px 12px;font-weight:700;background:var(--lv,var(--accent));color:var(--on-lv,var(--on-accent))}

/* puzzle page */
.tabs{display:flex;gap:6px;justify-content:center;flex-wrap:wrap;margin:8px 0}
.tabs button{border:2px solid var(--lv,var(--control));background:var(--surface);color:var(--text);border-radius:999px;padding:6px 14px;font:inherit;font-weight:600;cursor:pointer}
.tabs button.on{background:var(--lv,var(--btn));color:var(--on-lv,var(--on-btn));border-color:var(--lv,var(--btn))}
.tabs .level{border-radius:999px;padding:6px 16px;font-weight:700;background:var(--lv,var(--accent));color:var(--on-lv,var(--on-accent))}
.grid{display:grid;grid-template-columns:repeat(9,minmax(0,1fr));grid-template-rows:repeat(9,minmax(0,1fr));width:100%;aspect-ratio:1;border:3px solid var(--ink);background:var(--cell);touch-action:manipulation}
.c{min-width:0;min-height:0;overflow:hidden;position:relative;border:1px solid var(--control);display:flex;align-items:center;justify-content:center;font-size:clamp(18px,6vw,32px);color:var(--ink);cursor:pointer;user-select:none}
.c:nth-child(3n){border-right:2px solid var(--ink)}.c:nth-child(9n){border-right:0}
.c.r2,.c.r5{border-bottom:2px solid var(--ink)}
.c.given{font-weight:700;color:var(--ink)}.c.mine{color:var(--mine)}.c.bad{color:var(--bad)}
.c.peer{background:var(--cell-peer)}.c.same{background:var(--cell-same)}
.c.sel,.c.sel.same,.c.sel.peer{background:var(--cell-sel)}
.c.bad,.c.sel.bad,.c.bad.same,.c.bad.peer{background:var(--cell-badbg);color:var(--bad);font-weight:700}
.c.hintreg{background:var(--cell-hintreg)}.c.hintcell,.c.sel.hintcell{background:var(--cell-hint);outline:2px solid var(--hint-ring);outline-offset:-2px}
.notes{display:grid;grid-template-columns:repeat(3,1fr);width:100%;height:100%;font-size:clamp(8px,2.2vw,12px);color:var(--notes);line-height:1}
.notes i{font-style:normal;display:flex;align-items:center;justify-content:center}
.pad{display:grid;grid-template-columns:repeat(9,1fr);gap:2px;margin-top:10px}
.pad button{border:0;background:transparent;color:var(--btn);font:inherit;font-size:clamp(1.7rem,8vw,2.4rem);font-weight:600;padding:6px 0;cursor:pointer}
.tools .bdg{display:inline-block;min-width:1.6em;padding:0 6px;border-radius:999px;background:var(--btn);color:var(--on-btn);font-size:.75em;font-weight:700}.tools button.on .bdg{background:var(--on-btn);color:var(--btn)}
.tools button{border:1px solid var(--control);background:var(--surface);color:var(--text);border-radius:var(--radius);padding:10px 0;font:inherit;font-size:1.2rem;cursor:pointer}
.pad button:disabled,.pad button.full{background:transparent;color:var(--muted);cursor:default;opacity:.35}
.tools{display:flex;gap:8px;margin-top:10px;flex-wrap:wrap}.tools button{flex:1;font-size:1rem;padding:10px 6px}
.tools button.on{background:var(--btn);color:var(--on-btn);border-color:var(--btn)}.tools button:disabled{opacity:.5}
.msg{min-height:1.6em;margin-top:10px;text-align:center;font-weight:600}
.timer{text-align:center;font-weight:600;font-size:1.1rem;margin:2px 0 8px;color:var(--text);display:flex;flex-wrap:wrap;gap:4px 12px;justify-content:center;align-items:center}
.pausebtn{border:2px solid var(--control);background:var(--surface);color:var(--text);border-radius:var(--radius);padding:4px 12px;font:inherit;font-size:.95rem;font-weight:700;cursor:pointer}
.pausebtn:disabled{opacity:.5;cursor:default}
.avg{text-align:center;color:var(--muted);margin:0 0 6px;font-size:.95rem}
.grid.paused{display:flex;align-items:center;justify-content:center;background:var(--cell-same)}
.pausemsg{display:flex;flex-direction:column;gap:12px;align-items:center;text-align:center;padding:20px}.pausemsg b{font-size:1.6rem}.pausemsg button{border:0;font-size:1.1rem;cursor:pointer}
.autof{margin:0 0 10px;padding:12px;border:2px solid var(--btn);border-radius:var(--radius);background:var(--surface);text-align:center;display:flex;flex-wrap:wrap;gap:8px;align-items:center;justify-content:center}
.autof .cta{border:0;font-size:1rem;cursor:pointer}
.todaylink{display:inline-block;margin:6px 0 10px;font-weight:700}
#updbar{position:sticky;top:0;z-index:50}
#updbar button{margin-left:8px;border:0;background:var(--btn);color:var(--on-btn);padding:6px 12px;border-radius:var(--radius);cursor:pointer}

/* my puzzles */
.hist{list-style:none;padding:0;margin:0}.hist li{margin:8px 0}
.hist button{width:100%;text-align:left;border:1px solid var(--control);background:var(--surface);color:var(--text);border-radius:var(--radius);padding:12px 14px;font:inherit;cursor:pointer}
.hist .st{float:right;font-size:.9rem;color:var(--muted)}.hist .st.done{color:var(--ok-text)}
.back{border:1px solid var(--control);background:var(--surface);color:var(--text);border-radius:var(--radius);padding:8px 12px;font:inherit;cursor:pointer}
.rel{margin:0 0 14px}.rel h3{margin:0 0 4px;font-size:1.05rem}.rel ul{margin:0;padding-left:20px;line-height:1.5}

/* accounts, forms, notices */
#acctbox form{display:inline}
#acctbox button{border:0;background:none;color:var(--link);font:inherit;cursor:pointer;padding:0;text-decoration:underline}
.pf label,.staff label{display:block;margin:.8em 0 .2em;font-weight:700}
input:not([type]),input[type=search],input[type=tel],input[type=url],input[type=email],input[type=password],input[type=text],input[type=number],select,textarea{width:100%;max-width:640px;padding:10px;border:1px solid var(--control);border-radius:var(--radius);background:var(--surface);color:var(--text);font:inherit}
input[type=number].narrow{max-width:110px}
.pf .chk,.chk{font-weight:400;display:flex;gap:8px;align-items:flex-start}
input[type=checkbox]{width:1.2em;height:1.2em;flex:none;margin-top:.25em;accent-color:var(--btn)}
.okbox,.ok{text-align:center;background:var(--ok-bg);color:var(--ok-text);padding:10px 12px;border-radius:var(--radius);margin:10px 0}
.errbox,.err{text-align:center;background:var(--err-bg);color:var(--err-text);padding:10px 12px;border-radius:var(--radius);margin:10px 0}
.joincard{display:flex;flex-direction:column;gap:8px;align-items:center;text-align:center;background:var(--surface);border:2px solid var(--btn);border-radius:var(--radius);padding:16px;margin:10px 0 18px}
.summary{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:12px 14px;margin:8px 0;line-height:1.5}
.legal{text-align:left}
.legaldlg{max-width:min(640px,92vw);max-height:80vh;border:1px solid var(--control);border-radius:var(--radius);padding:16px;background:var(--surface);color:var(--text)}
.legaldlg::backdrop{background:var(--scrim)}.legaldlg .cta{margin-top:10px}

/* staff area */
.staff{max-width:760px;margin:0 auto;padding:16px}
.staff h2{margin:.2em 0 .6em}
.staff td button,.staff td .btn{padding:4px 10px;font-size:.85rem;margin:2px 2px 2px 0}
.staff .note{text-align:left}
.staff table{border-collapse:collapse;width:100%;margin:10px 0}
.staff th,.staff td{padding:6px 8px;border-bottom:1px solid var(--line);text-align:left;font-size:.92rem;vertical-align:top}
.staff .card,.card{border:1px solid var(--line);border-radius:var(--radius);background:var(--surface);padding:12px 14px;margin:12px 0}
.staff .cards{display:flex;flex-wrap:wrap;justify-content:center;gap:12px}.staff .cards a.card{flex:0 1 220px;text-align:center;margin:0}.staff .cards a.card strong{display:block;font-size:1rem;margin-bottom:4px}
.staff .cards a.card{display:block;text-decoration:none;color:var(--text)}.staff .cards a.card:hover{border-color:var(--btn)}
.staff .codes{columns:2;font-size:1.1rem;padding:10px;background:var(--surface);color:var(--text);border-radius:var(--radius);list-style:none}
.staff .qr svg{width:220px;height:220px;background:#fff;padding:6px;border-radius:var(--radius)}
.staff .bar{display:flex;justify-content:space-between;align-items:center;gap:8px;flex-wrap:wrap;margin-bottom:8px}
.swatch{display:inline-block;width:1.1em;height:1.1em;border-radius:4px;vertical-align:-.2em;border:1px solid var(--control)}
.good{color:var(--ok-text);font-weight:700}.poor{color:var(--err-text);font-weight:700}

/* centred titles and buttons */
.center{text-align:center}
.pf p:has(>button),.staff form p:has(>button){text-align:center}
.staff h2,main h2{text-align:center}
.note a.cta+br+a.btn{margin-top:10px}
.ctr label:not(.chk){display:block;text-align:center}
.ctr input:not([type=checkbox]){text-align:center}
.staff .note.center,.note.center{text-align:center}
.sections{display:flex;gap:6px;justify-content:center;flex-wrap:wrap;margin-top:6px}
.sections a,.sections a:visited{font-weight:700;font-size:.92rem;padding:7px 16px;border-radius:var(--radius);border:2px solid var(--control);background:var(--surface);color:var(--text);text-decoration:none;line-height:1.2}
.sections a:hover,.sections a:focus-visible{background:var(--cell-peer);border-color:var(--link);color:var(--text)}
.tabs a.lockedlv,.tabs a.lockedlv:visited{border:2px dashed var(--control);background:var(--surface);color:var(--muted);border-radius:999px;padding:6px 14px;font-weight:600;text-decoration:none}
.tabs a.lockedlv:hover,.tabs a.lockedlv:focus-visible{border-style:solid;color:var(--text)}
.acct{text-align:center}
.acct .pf label.chk,.acct label.chk{display:flex;justify-content:center;align-items:center;gap:8px;text-align:center}
.acct input{margin-left:auto;margin-right:auto;display:block}
.acct input[type=checkbox]{display:inline-block;margin:0}
.acct .pf{max-width:520px;margin:0 auto}
.pausebtn.ghost{visibility:hidden}
button.alt{display:inline-block;background:var(--surface);color:var(--text);border:2px solid var(--control);border-radius:var(--radius);padding:10px 18px;font:inherit;font-weight:700;cursor:pointer}
button.alt:hover{background:var(--cell-peer);border-color:var(--link)}
a.btn.alt,a.btn.alt:visited{display:inline-block;padding:10px 18px}
/* footer: menu-style links; the page you are on is highlighted, never "visited" colours */
footer .flinks{display:flex;flex-wrap:wrap;gap:8px;justify-content:center;margin:0 0 10px}
footer .flinks a,footer .flinks a:visited{display:inline-block;padding:7px 14px;border:2px solid var(--control);border-radius:var(--radius);background:var(--surface);color:var(--text);font-weight:700;font-size:.9rem;text-decoration:none;margin:0}
footer .flinks a:hover,footer .flinks a:focus-visible{background:var(--cell-peer);border-color:var(--link)}
footer .flinks a[aria-current=page]{background:var(--accent);border-color:var(--accent);color:var(--on-accent)}
footer .copy{margin:6px 0 0;font-size:.85rem;color:var(--muted)}
footer .copy a,footer .copy a:visited{color:var(--muted);font-weight:700}

/* challenges, calendar, rankings (design samples) */
.chals{display:grid;gap:12px;margin:12px 0}
.chal{background:var(--surface);border:2px solid var(--line);border-radius:calc(var(--radius) + 4px);padding:16px;text-align:center}
.chal h3{margin:6px 0 4px;font-family:var(--font-head);font-size:1.2rem}
.chal p{margin:0 0 10px;color:var(--muted)}
.chalicon{font-size:2rem}
.pill{display:inline-block;padding:3px 12px;border-radius:999px;border:2px solid var(--control);font-size:.85rem;font-weight:700;color:var(--text)}
.calhead{display:flex;align-items:center;justify-content:space-between;gap:8px;margin-bottom:6px}
.calhead h2{margin:0;font-size:1.3rem}
.calhead .btn.alt{min-width:44px;text-align:center;padding:8px 14px}
.calhead .off{opacity:.4}
table.cal{width:100%;border-collapse:separate;border-spacing:4px;table-layout:fixed;text-align:center}
table.cal th{font-size:.85rem;color:var(--muted);padding:4px 0}
table.cal td{padding:0}
.day{display:flex;align-items:center;justify-content:center;width:100%;min-height:44px;border-radius:var(--radius);font:inherit;font-weight:700;border:2px solid var(--line)}
.day.open{background:var(--btn);color:var(--on-btn);border-color:var(--btn);cursor:pointer;text-decoration:none;position:relative}
.day .mk{position:absolute;right:5px;top:1px;font-size:.8rem}
.day.all{background:var(--accent);color:var(--on-accent);border-color:var(--accent)}
.day.off{background:var(--surface);color:var(--muted);opacity:.7}
.day.today{box-shadow:0 0 0 3px var(--accent)}
.chips{display:flex;gap:6px;justify-content:center;flex-wrap:wrap;margin:8px 0}
.chips a,.chips a:visited{padding:8px 16px;border:2px solid var(--control);border-radius:999px;background:var(--surface);color:var(--text);font-weight:700;text-decoration:none}
.chips.small a,.chips.small a:visited{padding:5px 12px;font-size:.9rem}
.chips a:hover,.chips a:focus-visible{background:var(--cell-peer);border-color:var(--link)}
.chips a[aria-current=page],.chips a[aria-current=page]:visited{background:var(--accent);border-color:var(--accent);color:var(--on-accent)}
table.board{width:100%;border-collapse:collapse;margin:8px 0;text-align:center}
table.board th{font-size:.85rem;color:var(--muted);padding:6px;border-bottom:2px solid var(--line)}
table.board td{padding:10px 6px;border-bottom:1px solid var(--line);font-weight:600}
table.board tbody tr:nth-child(-n+3) td{font-size:1.05rem}
table.board tr.me td{background:var(--accent);color:var(--on-accent)}
label.agree{display:flex;justify-content:center;align-items:center;gap:10px;text-align:center;margin:8px auto;max-width:34ch;font-weight:500}
label.agree input{flex:none}
label.agree span{text-align:center}
.hist{margin:18px auto 6px;max-width:520px;text-align:center}
.hist h3{margin:0 0 6px;font-size:1rem}
.hist table{width:100%;border-collapse:collapse;font-size:.9rem}
.hist th{font-size:.8rem;color:var(--muted);padding:4px;border-bottom:2px solid var(--line)}
.hist td{padding:6px 4px;border-bottom:1px solid var(--line)}
.hist td.hnote{color:var(--muted);font-size:.8rem}

.days{width:6em}
.perms label{display:block;margin:4px 0}
.hist a.histlink{display:block;border:1px dashed var(--control);background:var(--surface);color:var(--text);border-radius:var(--radius);padding:12px 14px;text-decoration:none}
.rstar{color:#f5b301}
.badge{display:inline-block;min-width:1.5em;padding:0 .4em;border-radius:1em;background:var(--btn);color:var(--on-btn);text-align:center;font-size:.85em}
.revdoc{border:1px solid var(--control);border-radius:var(--radius);padding:12px 14px;margin:12px 0;text-align:center}
.legsec{margin:10px 0}
.hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
.msg{margin:10px 0;padding:10px 12px;border-radius:var(--radius);background:var(--card-bg,rgba(127,127,127,.1));text-align:left}.msg.staff{border-left:4px solid var(--accent,#2a7)}.msg.note{background:rgba(220,170,0,.15)}
/* Central Command: tabbed back end navigation (DEC-195) */
.cc{max-width:960px;margin:0 auto 14px;text-align:center}
.cc ul{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;justify-content:center;gap:8px}
.cc ul.cc-tabs{padding:10px 0 22px;border-bottom:1px solid var(--control);row-gap:12px}
.cc-tabs a{display:inline-block;padding:8px 16px;border-radius:999px;border:2px solid var(--control);background:var(--surface);color:var(--text);font-weight:700;text-decoration:none}
.cc-tabs a[aria-current=page]{background:var(--btn);color:var(--on-btn);border-color:var(--btn)}
.cc ul.cc-subs{padding:26px 0 16px;gap:12px}.cc+.staff h2,.cc~.staff h2{margin-top:6px}
.cc-subs a{display:inline-block;padding:5px 12px;border-radius:999px;border:1px solid var(--control);color:var(--text);font-size:.92rem;text-decoration:none}
.cc-subs a[aria-current=page]{border-color:var(--btn);font-weight:700;text-decoration:underline}
header.top .cc-title,.staff h2{font-family:var(--font-head);font-weight:700;font-size:1.6rem;line-height:1.2;color:var(--text);text-align:center;margin:0}
.staff h2{margin:.9em 0 .6em}
header.top .right{display:flex;align-items:center;justify-content:flex-end;gap:10px}
header.top .who{text-align:right;line-height:1.2}header.top .who p{margin:0}header.top .who .hello{font-weight:700}header.top .who .role{font-size:.85rem;color:var(--muted)}
@media (max-width:1023px){header.top .who .role{display:none}header.top .who .hello{font-size:.8rem}header.top .cc-title{font-size:1.2rem}.staff h2{font-size:1.35rem}}
@media (max-width:640px){header.staffhdr{grid-template-columns:minmax(0,1fr) auto}header.staffhdr .where{grid-column:1/-1;order:3}}
.pager{text-align:center;margin:10px 0}.pager p{margin:6px 0}.pager select,.pager input.narrow{width:auto;display:inline-block;max-width:110px}
.pills{list-style:none;margin:10px 0;padding:0;display:flex;flex-wrap:wrap;justify-content:center;gap:8px}
.pills a{display:inline-block;padding:6px 14px;border-radius:999px;border:2px solid var(--control);background:var(--surface);color:var(--text);font-weight:700;text-decoration:none}
.pills a[aria-current=page]{background:var(--btn);color:var(--on-btn);border-color:var(--btn)}
.pills .count{font-weight:400;opacity:.85}
.dt{width:100%;border-collapse:collapse;margin:10px 0;font-size:.92rem}.dt th,.dt td{border-bottom:1px solid var(--line);padding:8px 6px;text-align:left;vertical-align:middle}.dt th{font-size:.8rem;text-transform:uppercase;letter-spacing:.03em;color:var(--muted)}
.dt .chk{width:1.6em}.dt .act{white-space:nowrap}.dt .act button,.dt .act .btn{padding:4px 10px;font-size:.82rem;margin:2px}
.dt input[type=text],.dt input[type=number],.dt select{width:100%;max-width:none;padding:6px}.dt input.price{max-width:90px}.dt input.days{max-width:70px}
.pill{display:inline-block;padding:2px 10px;border-radius:999px;font-size:.78rem;font-weight:700;border:1px solid var(--control)}
.pill.open{background:var(--btn);color:var(--on-btn);border-color:var(--btn)}.pill.waiting{border-color:var(--accent,var(--control))}.pill.closed{color:var(--muted)}.rtbar{display:flex;flex-wrap:wrap;gap:6px;justify-content:center;margin:6px 0}.rtbar[hidden],.rtedit[hidden]{display:none}.rtbar button{padding:6px 12px}.rtedit{min-height:14em;max-width:760px;margin:0 auto;padding:12px;border:1px solid var(--control);border-radius:var(--radius);background:var(--surface);color:var(--text);text-align:left}.rtedit:focus{outline:3px solid var(--btn)}.revdoc summary{cursor:pointer}.pills.words{margin:6px 0}.pill.word{cursor:pointer;background:var(--surface);color:var(--text);font:inherit;font-size:.85rem;font-weight:700}.pill.word.fixed{cursor:default;color:var(--muted);font-weight:400}.pill.inactive{color:var(--muted);border-style:dashed}.pill.spam{color:var(--muted);border-style:dashed}
.bulkbar{border:1px solid var(--line);border-radius:var(--radius);padding:8px 12px;margin:10px 0;text-align:center;background:var(--surface)}.bulkbar select,.bulkbar input{width:auto;display:inline-block;max-width:160px}
tr.late td{background:rgba(220,170,0,.12)}tr.new td{background:rgba(40,160,90,.15)}
.wide{max-width:1100px}.staff.wide{max-width:1100px}
@media (max-width:700px){.dt thead{display:none}.dt,.dt tbody,.dt tr,.dt td{display:block;width:100%}.dt tr{border:1px solid var(--line);border-radius:var(--radius);margin:10px 0;padding:6px}.dt td{border:0;padding:3px 6px}.dt td[data-l]::before{content:attr(data-l) ": ";font-weight:700;color:var(--muted)}}

.dt .tg{display:none}
@media (max-width:700px){.dt.fold tr:not(.open) td:not(.k):not(.chk):not(.tg){display:none}.dt.fold .tg{display:block;text-align:center}.dt.fold td.chk{display:block}.dt.fold tr.open td.tg{margin-top:4px}}

.msg{overflow-wrap:anywhere;word-break:break-word}
.staff .stack{display:flex;flex-direction:column;align-items:center;gap:12px;margin:14px auto}.staff .stack .btn,.staff .stack button{width:100%;max-width:320px;text-align:center}
.staff .secblock{text-align:center;margin:22px auto;max-width:520px}.staff .secblock h3{margin:0 0 8px}.staff .secblock label{display:block;text-align:center;margin:8px 0}.staff .secblock input{margin:0 auto}
.pickrow{display:flex;gap:10px;align-items:center;justify-content:center;margin:6px 0}
.pickrow input[type=color]{width:52px;height:44px;padding:2px;border-radius:8px;cursor:pointer}
.verdict-good{color:var(--ok-text)}.verdict-poor{color:var(--err-text)}
.warnbox{text-align:center;background:var(--warn-bg);color:var(--warn-text);padding:10px 12px;border-radius:var(--radius);margin:10px 0}
.lines .ln{display:block;margin:2px 0}
/* First Try Bridge (1.88.0) */
.bridge{max-width:560px;margin:0 auto}
.stones{list-style:none;display:flex;justify-content:center;gap:8px;margin:44px 0 10px;padding:0}
.stone{display:flex;flex-direction:column;align-items:center;justify-content:center;width:44px;height:52px;border-radius:50%/40%;background:var(--surface);border:2px solid var(--line);color:var(--muted);font-size:1.1rem}
.stone{position:relative}
.stone .sn{font-size:.7rem;font-weight:700}
/* The puppy sits on the stone you are on and hops to the next one when you clear it (1.90.0) */
.pup{position:absolute;left:50%;bottom:78%;font-size:2rem;line-height:1;transform:translateX(-50%);pointer-events:none}
.pup.hop{animation:pup-hop .9s ease-in-out}
.pup.drop{animation:pup-drop .8s ease-in forwards}
.stone.crumble{opacity:.35;transform:rotate(-8deg) scale(.9);transition:all .6s}
@keyframes pup-hop{0%{transform:translateX(calc(-50% - 52px)) translateY(0)}30%{transform:translateX(calc(-50% - 36px)) translateY(-34px)}60%{transform:translateX(calc(-50% - 16px)) translateY(-30px)}100%{transform:translateX(-50%) translateY(0)}}
@keyframes pup-drop{0%{transform:translateX(-50%) translateY(0);opacity:1}100%{transform:translateX(-50%) translateY(70px) rotate(25deg);opacity:0}}
@media (prefers-reduced-motion:reduce){.pup.hop,.pup.drop{animation:none}}
.stone.done{background:var(--cell-peer);border-color:var(--cell-same)}
.stone.here{background:var(--cell-sel);border-color:var(--text);color:var(--text);transform:scale(1.12)}
.bridgemsg{margin:12px 0;padding:12px;text-align:center;border:2px solid var(--line);border-radius:var(--radius);background:var(--surface)}
.bridgemsg.bad{border-color:var(--bad,#c0392b)}
.bridge #hn{display:none}
.bridge .grid{position:relative}
.bridgeover{position:absolute;inset:0;z-index:5;display:flex;align-items:center;justify-content:center;padding:12px;background:var(--cell-same)}
.bridgeover .bridgemsg{margin:0;width:100%;max-width:420px;background:var(--surface)}
/* Challenge pages use the width of a computer screen: cards in a few rows, a short last row centred (1.88.3) */
@media (min-width:760px){
main:has(.chals){max-width:980px}
main:has(.chals) .chals{display:flex;flex-wrap:wrap;justify-content:center;align-items:stretch}
main:has(.chals) .chal{flex:0 0 300px}
main:has(.chals) .note,main:has(.chals) .banner{max-width:640px;margin-left:auto;margin-right:auto}
}

/* postcard stories (1.92.0) */
.story .jig{display:block;width:100%;max-width:640px;margin:10px auto;border-radius:10px;background:var(--bg,#fff)}
.story .jp{fill:#5b6b7c;fill-opacity:.92;stroke:#fff;stroke-width:1.6;cursor:pointer}
.story .jp:hover,.story .jp:focus{fill:var(--accent,#0e8fd6)}
.story .js{fill:none;stroke:#fff;stroke-opacity:.55;stroke-width:.8;pointer-events:none}
.story .storytext{max-width:640px;margin:10px auto;padding:8px 14px;border-left:4px solid var(--accent,#0e8fd6)}
.story .pn{display:inline-block;min-width:1.6em;font-weight:700}
.story .pieces{list-style:none;padding:0;margin:8px auto;max-width:640px}
.story .pieces li{display:flex;flex-wrap:wrap;gap:6px;align-items:center;padding:6px 0;border-bottom:1px solid rgba(128,128,128,.25)}
.story .pieces li>span{min-width:5.5em;font-weight:600}
.story .gallery{display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:10px;max-width:760px;margin:8px auto}
.story .gallery img{width:100%;border-radius:8px}

/* bridge leaderboard (1.93.0) */
.bridgeboard{list-style:decimal;max-width:420px;margin:8px auto;padding-left:2em}
.bridgeboard li{padding:4px 0;display:flex;gap:10px;justify-content:space-between;border-bottom:1px solid rgba(128,128,128,.2)}
.bridgeboard .bn{font-weight:600;flex:1}.bridgeboard .bw{opacity:.7}

/* achievements (1.95.0) */
.ach{margin:0 auto 16px}
.achh{margin:28px 0 10px;font-size:1.6rem;text-align:center;scroll-margin-top:12px}
.achnav{display:flex;flex-wrap:wrap;justify-content:center;align-items:center;gap:8px;margin:4px 0 8px}
.achnav a{font-weight:700;font-size:1.05rem;padding:8px 14px}
.achsep{width:1px;height:24px;background:var(--line);margin:0 4px}
.achsub{display:block;font-size:.9rem;font-weight:400;opacity:.75}
.achtiles{display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:10px}
.achtile{background:var(--surface);border-radius:14px;padding:14px;display:flex;flex-direction:column;align-items:center;text-align:center;box-shadow:0 1px 2px rgba(18,33,46,.08)}
.achv{font-size:1.9rem;font-weight:700;color:var(--link)}
.achl{font-size:.8rem;opacity:.8}
.achshelf{display:flex;flex-wrap:wrap;justify-content:center;gap:10px}
.achtroph{position:relative;flex:0 0 130px;border-radius:14px;padding:12px 6px 10px;text-align:center;display:flex;flex-direction:column;align-items:center;gap:6px;background:var(--surface);border:2px dashed var(--line);color:var(--muted)}
.achtroph.got{background:color-mix(in srgb,#e0a82a 22%,var(--surface));border:2px solid #e0a82a;color:var(--text)}
.achtn{font-size:.8rem;font-weight:600;line-height:1.25}.achtd{font-size:.72rem}
.achcalwrap{max-width:900px;margin:0 auto}
.achwk{display:grid;grid-template-columns:repeat(7,minmax(0,1fr));gap:6px;text-align:center;font-size:.8rem;color:var(--muted);padding:0 12px 4px}
.achday{position:relative;display:block}.achday b{position:absolute;left:7px;top:5px;font-size:.85rem;font-weight:600;color:var(--text)}.achday i{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;font-style:normal;font-weight:700;font-size:1.6rem;color:var(--text)}.achday.s3 b,.achday.s3 i,.achday.s4 b,.achday.s4 i{color:#fff}
.achcal{display:grid;grid-template-columns:repeat(7,minmax(0,1fr));gap:6px;background:var(--surface);padding:12px;border-radius:14px}
.achday{aspect-ratio:1/1;border-radius:6px;background:color-mix(in srgb,var(--muted) 22%,var(--surface))}
.achday.s1{background:color-mix(in srgb,var(--accent,#0b6fa8) 30%,var(--surface))}.achday.s2{background:color-mix(in srgb,var(--accent,#0b6fa8) 55%,var(--surface))}.achday.s3{background:color-mix(in srgb,var(--accent,#0b6fa8) 80%,var(--surface))}.achday.s4{background:var(--accent,#0b6fa8)}.achday.fut{opacity:.35}
.achcards{display:flex;flex-wrap:wrap;justify-content:center;gap:10px}.achcards .achcard{flex:0 0 170px}
.achcard{display:flex;flex-direction:column;gap:6px;background:var(--surface);border-radius:14px;padding:10px;text-decoration:none;color:inherit}
.achcard img{width:100%;height:96px;object-fit:cover;border-radius:8px}
.achph{height:96px;border-radius:8px;background:#5b6b7c;color:#fff;display:flex;align-items:center;justify-content:center;font-size:.85rem}
.achchips{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:8px}
.achchips .chip{min-height:44px;box-sizing:border-box;display:inline-flex;align-items:center;padding:0 16px;border-radius:22px;border:2px solid var(--link);font-weight:600;text-decoration:none;color:var(--link);background:var(--surface)}
.achchips .chip.on{background:var(--link);color:var(--bg)}
.achlist{background:var(--surface);border-radius:14px}
.achrow{display:flex;justify-content:space-between;align-items:center;padding:12px 14px;border-bottom:1px solid var(--line)}
.achrow .ok{color:#2e9a57;font-weight:600}.achrow .warn{color:#d98a1c;font-weight:600}
.sr{position:absolute;left:-9999px}

main:has(.ach){max-width:1100px}
main:has(.ach) #game{max-width:520px;margin-left:auto;margin-right:auto}
.achtiles{grid-template-columns:repeat(auto-fit,minmax(160px,1fr))}
@media (min-width:900px){
 .achtop{display:grid;grid-template-columns:minmax(0,1.6fr) minmax(0,1fr);gap:24px;align-items:start}
}
/* challenges: the first card is wide, the rest stay as they were */
@media (min-width:760px){
 main:has(.chals) .chals:first-of-type .chal:first-child{flex:0 0 66%;margin:0 17%}
}
.achchips{justify-content:center}
.achchips button.chip{font:inherit;font-weight:600;cursor:pointer}
a.achrow{text-decoration:none;color:inherit}a.achrow:hover{background:var(--cell-peer)}a.achrow[hidden]{display:none}
.achi{position:absolute;right:6px;top:6px;width:22px;height:22px;border-radius:50%;border:1.5px solid currentColor;background:transparent;color:inherit;font:italic 700 .8rem Georgia,serif;line-height:1;cursor:pointer;padding:0}
.achtip{position:absolute;z-index:5;left:50%;top:100%;transform:translateX(-50%);margin-top:6px;width:190px;padding:8px 10px;border-radius:8px;background:var(--text);color:var(--bg);font-size:.8rem;font-weight:400;text-align:left;box-shadow:0 2px 8px rgba(0,0,0,.35)}
.achtip{display:none}.achi:hover~.achtip,.achi:focus-visible~.achtip,.achtroph.open .achtip{display:block}
.achtile{min-width:0}
@media (max-width:1024px){.dsk{display:none!important}}

button.achday{display:block;width:100%;padding:0;border:0;font:inherit;cursor:pointer;color:inherit}
button.achday.fut{cursor:default}
.achpop{display:none;position:absolute;z-index:6;top:100%;left:50%;transform:translateX(-50%);margin-top:4px;min-width:190px;max-width:260px;padding:8px 10px;border-radius:8px;background:var(--text);color:var(--bg);font-size:.82rem;font-weight:400;text-align:left;box-shadow:0 2px 8px rgba(0,0,0,.35)}
.achpop span{display:block;margin-top:3px}.achpop strong{display:block}.achpop .achl{opacity:.8}
.achday:hover .achpop,.achday:focus-visible .achpop,.achday.open .achpop{display:block}
.achday:nth-child(7n+1) .achpop,.achday:nth-child(7n+2) .achpop{left:0;transform:none}
.achday:nth-child(7n) .achpop,.achday:nth-child(7n+6) .achpop{left:auto;right:0;transform:none}
.achday:hover,.achday.open{z-index:7}
.achlegend .achday{display:inline-block;width:16px;height:16px;aspect-ratio:auto;vertical-align:middle;margin:0 2px;border-radius:4px}
.achdates{display:flex;flex-wrap:wrap;justify-content:center;align-items:center;gap:10px;margin-bottom:8px}
.achdates input{font:inherit;padding:8px;border:2px solid var(--control);border-radius:var(--radius);background:var(--surface);color:var(--text)}
.achdates button.chip{font:inherit;font-weight:600;cursor:pointer}
.achpre{font-weight:600}.achdates select{font:inherit;padding:8px;border:2px solid var(--control);border-radius:var(--radius);background:var(--surface);color:var(--text)}.achdates .chip{min-height:36px;padding:0 14px;border-radius:18px;border:2px solid var(--link);background:var(--surface);color:var(--link)}.achdates .chip.on{background:var(--link);color:var(--bg)}
div.achrow{color:inherit}
/* Last-five-weeks calendar on phones: date small in the top corner, count lower and smaller so they never overlap. */
@media (max-width:600px){.achday b{left:4px;top:3px;font-size:.68rem;line-height:1}.achday i{align-items:flex-end;justify-content:center;padding-bottom:5px;font-size:1.25rem;line-height:1}}
/* My account button row: a little room between the buttons, also when they wrap on a phone. */
.acctbtns{display:flex;flex-wrap:wrap;justify-content:center;gap:14px 16px}