:root{color-scheme:light;--ink:#172d46;--muted:#506178;--paper:#f3f7fa;--white:#fff;--line:#a1adba;--accent:#146b62;--tint:#dceee8;--red:#ad3040;--focus:#a43e0c;--radius:12px;font-family:system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:var(--ink);background:var(--paper);font-size:16px;line-height:1.5}*{box-sizing:border-box}body{margin:0}button,input,textarea{font:inherit}button,a,input{touch-action:manipulation}button{cursor:pointer;min-height:44px;border:1px solid var(--line);border-radius:8px;padding:.55rem .85rem;background:var(--white);color:var(--ink);font-weight:600}button:hover{border-color:var(--ink);background:#e6eef3}button:disabled{cursor:default;opacity:.52}a{color:var(--accent);text-underline-offset:4px}a:hover{text-decoration-thickness:2px}:focus-visible{outline:3px solid var(--focus);outline-offset:3px}::selection{background:#c5e8de;color:var(--ink)}input,textarea{caret-color:var(--accent)}*{scrollbar-color:var(--muted) var(--paper)}[hidden]{display:none!important}.skip{position:absolute;top:-80px;left:16px;background:white;padding:12px;z-index:10}.skip:focus{top:8px}header{min-height:84px;padding:18px max(24px,calc((100% - 1120px)/2));background:var(--ink);color:white;display:flex;gap:32px;justify-content:space-between;align-items:center}header a{color:white;text-decoration:none}.brand{font-size:1.25rem;white-space:nowrap}.brand b{font-weight:750;color:#a9ddd1}nav{display:flex;gap:24px;align-items:center}header nav a{padding:8px 0}main{max-width:1120px;margin:auto;padding:32px 24px 48px}.intro{margin-bottom:28px}h1{font-size:clamp(1.75rem,3.3vw,2.7rem);line-height:1.15;letter-spacing:-.025em;margin:0 0 10px;font-weight:750;text-wrap:balance}p{margin:0 0 16px;max-width:70ch}.intro p{font-size:1.1rem;color:var(--muted)}h2{font-size:1.3rem;line-height:1.25;margin:0;font-weight:750}h3{font-size:1.15rem}.workspace{display:grid;grid-template-columns:minmax(0,1.16fr) minmax(0,1fr);background:var(--white);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}.entry{padding:24px}.result{padding:24px;background:#eaf1f5;border-left:1px solid var(--line)}.section-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:18px}.text-button{background:none;border:0;text-decoration:underline;font-size:.875rem;padding:6px}.small{font-size:.875rem;color:var(--muted)}.mode{display:flex;align-items:center;gap:20px;border:0;padding:0;margin:0 0 20px}.mode legend{float:left;margin-right:18px;font-size:.9rem;color:var(--muted);padding-top:11px}.mode label{display:flex;align-items:center;gap:6px;min-height:44px;font-weight:600;cursor:pointer}.mode 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button{display:flex;align-items:center;justify-content:center;gap:6px;padding:9px 3px;font-size:.85rem}.suits svg{width:14px;height:14px;fill:currentColor}.suits button[aria-pressed=true]{background:var(--ink);color:white;border-color:var(--ink)}.deck{display:grid;grid-template-columns:repeat(7,minmax(0,1fr));gap:6px}.deck button{padding:7px 0;min-height:46px;display:flex;align-items:center;justify-content:center;gap:3px}.deck svg{height:13px;width:13px;fill:currentColor}.selection-status{min-height:21px;margin:12px 0}.primary{background:var(--accent);color:white;border-color:var(--accent);width:100%;font-size:1.05rem}.primary:hover{background:#0e504a;color:white}.secondary-actions{display:flex;gap:8px;flex-wrap:wrap;margin-top:10px}.secondary-actions button{font-size:.8rem;flex:1;padding:7px}.empty-title{font-size:1.5rem;font-weight:700;margin:44px 0 12px;max-width:18ch}.total-line{font-size:1.5rem;font-weight:700;margin:4px 0 18px;line-height:1.3}.total-line strong{font-size:2.5rem;font-variant-numeric:tabular-nums;margin-right:6px}.score-line{width:100%;display:grid;grid-template-columns:1fr auto;align-items:start;text-align:left;background:transparent;border:0;border-radius:0;border-bottom:1px solid var(--line);padding:10px 4px;gap:4px}.score-line small{font-weight:400;display:block;font-size:.8rem;line-height:1.4;grid-column:1/-1;color:var(--muted)}.score-line[aria-pressed=true]{background:var(--tint)}.points{font-variant-numeric:tabular-nums}.output-actions{display:flex;gap:8px;flex-wrap:wrap;margin-top:24px}.output-actions button{font-size:.8rem}.notice{background:#dceae9;padding:12px;font-size:.875rem;margin-top:16px}.error{color:#9c2032;margin:8px 0 0;font-weight:600}.how{padding-top:36px;max-width:800px}.how h2{margin-bottom:12px}.learn-links{display:flex;flex-wrap:wrap;gap:18px;margin:24px 0}.learn-links a{font-weight:700;padding:10px 0}footer{max-width:1120px;padding:24px;margin:auto;border-top:1px solid var(--line);display:flex;justify-content:space-between;gap:20px;font-size:.875rem;color:var(--muted)}footer p{margin:0}#guess-form{margin-top:20px}label[for=guess]{display:block;font-weight:600;margin-bottom:8px}.guess-line{display:flex;gap:8px}.guess-line input{min-width:0;width:85px;border:1px solid var(--line);border-radius:6px;padding:8px}#guess-feedback{margin-top:10px}#highlight-description{min-height:21px;margin-top:12px}textarea{width:100%;padding:12px;border:1px solid var(--line);border-radius:8px}.article{max-width:760px;min-height:65vh}.article h1{margin-bottom:24px}.article h2{margin-top:32px;margin-bottom:12px}.article table{border-collapse:collapse;width:100%;margin:20px 0}.article th,.article td{text-align:left;padding:12px;border-bottom:1px solid var(--line)}.article li{margin-bottom:10px}.article .example-link{display:inline-block;padding:12px;background:var(--tint);border-radius:8px;margin:8px 0 16px}.article dt{font-weight:700;margin-top:16px}.article dd{margin:4px 0 16px}.article a{overflow-wrap:anywhere}
@media(max-width:760px){header{padding:16px 20px;gap:12px;min-height:72px;align-items:flex-start}header nav{gap:14px;font-size:.85rem}.brand{font-size:1.05rem}main{padding:24px 16px 32px}.intro{margin-bottom:20px}.workspace{grid-template-columns:1fr}.entry,.result{padding:20px}.result{border-left:0;border-top:1px solid var(--line)}.empty-title{margin-top:10px}.playing-card{min-height:86px}.how{padding-top:28px}footer{flex-direction:column;padding:20px 16px}.secondary-actions button{font-size:.8rem}.learn-links{display:block}.learn-links a{display:block}.total-line{margin-top:4px}}@media(max-width:400px){header{flex-direction:column;gap:3px;padding:12px 16px}header nav{gap:22px}.entry,.result{padding:16px}.deck{grid-template-columns:repeat(6,minmax(0,1fr))}.suits button{font-size:.75rem;gap:3px}.playing-card{min-height:76px}.slots{gap:5px}.slot:last-child{padding-left:4px}.slot-label{font-size:.65rem}.secondary-actions{display:grid;grid-template-columns:1fr}h1{font-size:1.75rem}}@media(prefers-reduced-motion:no-preference){.playing-card.highlight{animation:count-mark .22s cubic-bezier(.16,1,.3,1)}@keyframes count-mark{from{outline-offset:-8px}to{outline-offset:-4px}}}@media print{body{background:white;color:#000;font-size:11pt}header{background:white;color:#000;padding:0 0 12px}header a{color:#000}.brand b{color:#000}header nav,footer,.intro,.mode,.suits,.deck,.selection-status,.primary,.secondary-actions,#guess-form,#error,#selection-help,.text-button,.output-actions,#output-status,#copy-fallback,.how,.skip{display:none!important}main{padding:0;max-width:none}.workspace{display:block;border:0}.entry,.result{padding:0;background:white;border:0}.result{margin-top:20px}.slots{max-width:450px}.playing-card{color:#000;outline:none!important}.score-line{break-inside:avoid;padding:7px 0}.playing-card.red{color:#000}.small{color:#222}.section-head{margin-bottom:10px}#highlight-description,#breakdown-help{display:none}.notice{background:none;padding:0}.total-line strong{font-size:24pt}.article{max-width:none}}

html{scrollbar-gutter:stable}

.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}