:root{--bg:#ffffff;--surface:#f5f7f9;--surface-2:#eceff3;--line:#dde2e8;--text:#17202a;--muted:#5f6b7a;--accent:#0f7b4f;--accent-dark:#0a5c3b;--accent-soft:#e3f3ea;--gold:#b8860b;--red:#d1273b;--blue:#1f5fbf;--green:#1c8a4c;--black:#17202a;--radius:12px;--shadow:0 1px 2px rgba(23,32,42,.06),0 4px 16px rgba(23,32,42,.06);--font:system-ui,-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;--mono:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace}
*{box-sizing:border-box}
[hidden]{display:none!important}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;font-family:var(--font);font-size:16px;line-height:1.6;color:var(--text);background:var(--bg)}
img,svg{max-width:100%;height:auto}
a{color:var(--accent-dark);text-decoration:underline;text-decoration-thickness:1px;text-underline-offset:2px}
a:hover{color:var(--accent)}
h1,h2,h3,h4{line-height:1.2;margin:0 0 .5em;font-weight:700;letter-spacing:-.01em}
h1{font-size:clamp(1.7rem,4vw,2.5rem)}
h2{font-size:clamp(1.35rem,3vw,1.75rem);margin-top:1.6em}
h3{font-size:1.15rem;margin-top:1.4em}
p,ul,ol,table{margin:0 0 1em}
.wrap{width:min(1120px,calc(100% - 2rem));margin:0 auto}
.skip-link{position:absolute;left:-999px;top:0;background:var(--accent);color:#fff;padding:.5rem 1rem;z-index:100}
.skip-link:focus{left:1rem}
button,input,select,textarea{font:inherit;color:inherit}
.btn{display:inline-flex;align-items:center;gap:.4rem;padding:.6rem 1.1rem;border-radius:8px;border:1px solid var(--line);background:#fff;color:var(--text);text-decoration:none;cursor:pointer;font-weight:600;line-height:1.2;transition:background .15s,border-color .15s,color .15s}
.btn:hover{border-color:#b9c2cc;background:var(--surface)}
.btn--primary{background:var(--accent);border-color:var(--accent);color:#fff}
.btn--primary:hover{background:var(--accent-dark);border-color:var(--accent-dark);color:#fff}
.btn--sm{padding:.35rem .7rem;font-size:.875rem}
.btn--ghost{border-color:transparent;background:transparent;color:var(--muted)}
.btn--ghost:hover{background:var(--surface-2);color:var(--text)}
.btn:disabled{opacity:.5;cursor:default}
.btn[aria-pressed="true"]{background:var(--accent-soft);border-color:var(--accent);color:var(--accent-dark)}

/* header */
.site-header{border-bottom:1px solid var(--line);background:#fff;position:sticky;top:0;z-index:50}
.site-header .wrap{display:flex;align-items:center;gap:1rem;min-height:60px}
.brand{display:flex;align-items:center;gap:.55rem;font-weight:800;text-decoration:none;color:var(--text);font-size:1.05rem;letter-spacing:-.01em;white-space:nowrap}
.brand svg{width:30px;height:30px;flex:none}
.brand small{font-weight:500;color:var(--muted);font-size:.8em}
.nav-toggle{margin-left:auto;display:none;border:1px solid var(--line);background:#fff;border-radius:8px;padding:.4rem .7rem;cursor:pointer}
.nav{margin-left:auto;display:flex;align-items:center;gap:.25rem}
.nav-list{list-style:none;margin:0;padding:0;display:flex;gap:.1rem;align-items:center}
.nav-list a{display:block;padding:.45rem .7rem;border-radius:8px;text-decoration:none;color:var(--text);font-weight:500;font-size:.95rem}
.nav-list a:hover,.nav-list a[aria-current]{background:var(--surface-2);color:var(--text)}
.nav-list a[aria-current="page"]{color:var(--accent-dark);font-weight:600}
.menu{position:relative}
.menu > button{display:flex;align-items:center;gap:.3rem;padding:.45rem .7rem;border-radius:8px;border:0;background:transparent;cursor:pointer;font-weight:500;font-size:.95rem}
.menu > button:hover,.menu > button[aria-expanded="true"]{background:var(--surface-2)}
.menu-panel{position:absolute;top:calc(100% + 6px);left:0;min-width:260px;background:#fff;border:1px solid var(--line);border-radius:12px;box-shadow:var(--shadow);padding:.5rem;display:grid;grid-template-columns:1fr 1fr;gap:.1rem;z-index:60}
.menu-panel[hidden]{display:none}
.menu-panel a{display:block;padding:.45rem .6rem;border-radius:8px;text-decoration:none;color:var(--text);font-size:.92rem;white-space:nowrap}
.menu-panel a:hover{background:var(--surface-2)}
.menu-panel .menu-head{grid-column:1/-1;font-size:.72rem;text-transform:uppercase;letter-spacing:.08em;color:var(--muted);padding:.5rem .6rem .2rem}
.lang-menu{position:absolute;right:0;left:auto;grid-template-columns:1fr;min-width:170px}
.lang-menu a[aria-current]{font-weight:600;color:var(--accent-dark)}
@media (max-width:860px){
  .nav-toggle{display:block}
  .nav{display:none;position:absolute;left:0;right:0;top:100%;background:#fff;border-bottom:1px solid var(--line);padding:.75rem 1rem 1rem;flex-direction:column;align-items:stretch;box-shadow:var(--shadow)}
  .nav.is-open{display:flex}
  .nav-list{flex-direction:column;align-items:stretch}
  .menu-panel{position:static;box-shadow:none;border:0;padding:0 0 0 .75rem;grid-template-columns:1fr}
  .menu > button{width:100%;justify-content:space-between}
}

/* hero */
.hero{padding:2.2rem 0 1rem}
.hero h1{margin-bottom:.4rem}
.hero .lead{font-size:1.1rem;color:var(--muted);max-width:60ch;margin-bottom:0}
.eyebrow{display:inline-block;font-size:.75rem;text-transform:uppercase;letter-spacing:.1em;color:var(--accent-dark);font-weight:700;margin-bottom:.5rem}
.breadcrumbs{font-size:.85rem;color:var(--muted);margin:1rem 0 0}
.breadcrumbs ol{list-style:none;padding:0;margin:0;display:flex;flex-wrap:wrap;gap:.35rem}
.breadcrumbs li+li:before{content:"/";margin-right:.35rem;color:#b3bcc6}
.breadcrumbs a{color:var(--muted);text-decoration:none}
.breadcrumbs a:hover{color:var(--accent-dark)}

/* calculator panel */
.calc{background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:1.1rem;margin:1.25rem 0 2rem}
.calc-grid{display:grid;grid-template-columns:minmax(0,1.35fr) minmax(300px,1fr);gap:1.1rem}
@media (max-width:820px){.calc-grid{grid-template-columns:1fr}}
.panel{background:#fff;border:1px solid var(--line);border-radius:12px;padding:.9rem 1rem}
.panel-head{display:flex;align-items:center;justify-content:space-between;gap:.5rem;margin-bottom:.5rem}
.panel-head h2,.panel-head h3{margin:0;font-size:1rem}
.panel-tools{display:flex;gap:.3rem;flex-wrap:wrap}
.tabs{display:flex;gap:.25rem;flex-wrap:wrap;margin-bottom:.9rem}
.tab{padding:.4rem .8rem;border-radius:999px;border:1px solid var(--line);background:#fff;cursor:pointer;font-size:.9rem;font-weight:500;text-decoration:none;color:var(--text)}
.tab[aria-selected="true"],.tab[aria-current]{background:var(--text);border-color:var(--text);color:#fff}
.slots{display:flex;gap:.4rem;flex-wrap:wrap;align-items:center}
.slot{width:48px;height:66px;border-radius:7px;border:2px dashed #c4ccd5;background:#fff;display:flex;align-items:center;justify-content:center;cursor:pointer;padding:0;position:relative;transition:border-color .12s,box-shadow .12s}
.slot:hover{border-color:#94a0ad}
.slot.is-active{border-style:solid;border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-soft)}
.slot.is-filled{border-style:solid;border-color:var(--line);box-shadow:0 1px 3px rgba(0,0,0,.12)}
.slot .ph{font-size:.7rem;color:#aab3bd;text-transform:uppercase;letter-spacing:.05em}
.pc{display:inline-flex;flex-direction:column;align-items:center;justify-content:center;line-height:1;font-weight:700;font-family:var(--font)}
.pc b{font-size:1.25rem}
.pc i{font-style:normal;font-size:1rem;margin-top:1px}
.slot .pc b{font-size:1.4rem}.slot .pc i{font-size:1.1rem}
.s0{color:var(--black)}.s1{color:var(--red)}.s2{color:var(--blue)}.s3{color:var(--green)}
.players{display:grid;gap:.6rem;margin-top:.75rem}
.player{display:flex;align-items:center;gap:.7rem;flex-wrap:wrap;background:#fff;border:1px solid var(--line);border-radius:12px;padding:.6rem .75rem}
.player.is-winner{border-color:var(--accent)}
.player-name{width:4.6rem;font-weight:600;font-size:.9rem;flex:none}
.player .slots{flex:none}
.player .result{flex:1 1 160px;min-width:150px}
.player-actions{display:flex;gap:.25rem;margin-left:auto}
.icon-btn{border:1px solid var(--line);background:#fff;border-radius:8px;width:32px;height:32px;display:inline-flex;align-items:center;justify-content:center;cursor:pointer;color:var(--muted);padding:0}
.icon-btn:hover{color:var(--text);border-color:#b9c2cc}
.equity-bar{height:10px;background:var(--surface-2);border-radius:999px;overflow:hidden;margin:.3rem 0 .2rem}
.equity-bar span{display:block;height:100%;background:linear-gradient(90deg,var(--accent),#2fa873);border-radius:999px;transition:width .3s}
.equity-num{font-weight:800;font-size:1.35rem;font-variant-numeric:tabular-nums}
.equity-sub{font-size:.8rem;color:var(--muted);font-variant-numeric:tabular-nums}
.random-tag{font-size:.75rem;color:var(--muted);border:1px dashed #c4ccd5;border-radius:6px;padding:.15rem .4rem}
.deck{display:grid;grid-template-columns:repeat(13,1fr);gap:4px}
.deck button{aspect-ratio:34/46;border-radius:5px;border:1px solid var(--line);background:#fff;cursor:pointer;padding:0;display:flex;align-items:center;justify-content:center;transition:transform .08s,background .12s}
.deck button:hover{background:var(--surface);transform:translateY(-1px)}
.deck button:disabled{opacity:.18;cursor:default;transform:none}
.deck .pc b{font-size:.95rem}.deck .pc i{font-size:.8rem}
@media (max-width:420px){.deck .pc b{font-size:.8rem}.deck .pc i{font-size:.7rem}}
.calc-actions{display:flex;gap:.5rem;flex-wrap:wrap;align-items:center;margin-top:.9rem}
.status{font-size:.85rem;color:var(--muted);margin-left:auto;font-variant-numeric:tabular-nums}
.status.is-error{color:var(--red)}
.quick{display:flex;gap:.4rem;margin-top:.7rem}
.quick input{flex:1;min-width:0}
input[type=text],input[type=number],select,textarea{width:100%;padding:.55rem .7rem;border:1px solid var(--line);border-radius:8px;background:#fff;color:var(--text)}
input:focus,select:focus,textarea:focus,.slot:focus-visible,.deck button:focus-visible{outline:2px solid var(--accent);outline-offset:1px}
.field{display:flex;flex-direction:column;gap:.3rem;margin-bottom:.8rem}
.field label{font-weight:600;font-size:.9rem}
.field .hint{font-size:.8rem;color:var(--muted)}
.fields{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:.75rem 1rem}
.with-unit{position:relative}
.with-unit input{padding-right:2.6rem}
.with-unit .unit{position:absolute;right:.7rem;top:50%;transform:translateY(-50%);color:var(--muted);font-size:.85rem}
.seg{display:inline-flex;border:1px solid var(--line);border-radius:8px;overflow:hidden;background:#fff}
.seg button{border:0;background:transparent;padding:.45rem .8rem;cursor:pointer;font-size:.9rem;font-weight:500}
.seg button+button{border-left:1px solid var(--line)}
.seg button[aria-pressed="true"]{background:var(--text);color:#fff}
.results{margin-top:1rem}
.stat-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:.6rem}
.stat{background:#fff;border:1px solid var(--line);border-radius:12px;padding:.7rem .85rem}
.stat .k{font-size:.78rem;color:var(--muted);text-transform:uppercase;letter-spacing:.05em}
.stat .v{font-size:1.5rem;font-weight:800;font-variant-numeric:tabular-nums;line-height:1.2}
.stat .v small{font-size:.8rem;font-weight:500;color:var(--muted)}
.stat.is-good .v{color:var(--accent-dark)}.stat.is-bad .v{color:var(--red)}
.verdict{margin-top:.8rem;padding:.75rem 1rem;border-radius:10px;font-weight:600;background:var(--accent-soft);color:var(--accent-dark)}
.verdict.is-bad{background:#fbe6e9;color:#8f1b2a}
.verdict.is-neutral{background:var(--surface-2);color:var(--text)}
table{width:100%;border-collapse:collapse;font-size:.93rem}
th,td{padding:.5rem .6rem;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}
th{font-weight:600;background:var(--surface);font-size:.85rem}
td.num,th.num{text-align:right;font-variant-numeric:tabular-nums;white-space:nowrap}
.table-wrap{overflow-x:auto;margin:0 0 1em}
.cats{margin-top:.75rem}
.cats table{font-size:.85rem}
details.acc{border:1px solid var(--line);border-radius:10px;padding:0 1rem;margin:0 0 .6rem;background:#fff}
details.acc summary{cursor:pointer;font-weight:600;padding:.75rem 0;list-style:none;display:flex;justify-content:space-between;gap:1rem}
details.acc summary::-webkit-details-marker{display:none}
details.acc summary:after{content:"+";color:var(--muted);font-weight:400}
details.acc[open] summary:after{content:"–"}
details.acc>div{padding:0 0 .9rem}
.range-grid{display:grid;grid-template-columns:repeat(13,1fr);gap:2px;user-select:none;-webkit-user-select:none;touch-action:none}
.range-grid button{aspect-ratio:1;border:1px solid var(--line);border-radius:4px;background:#fff;font-size:.7rem;font-weight:600;cursor:pointer;padding:0;color:var(--muted);font-family:var(--mono)}
.range-grid button.pair{background:#f3f4f6}
.range-grid button.suited{background:#fff}
.range-grid button.is-on{background:var(--accent);border-color:var(--accent-dark);color:#fff}
.range-grid button.is-on.pair{background:#0a5c3b}
.range-grid.readonly button{cursor:default}
.range-grid.mini button{font-size:.55rem;border-radius:2px}
@media (max-width:480px){.range-grid button{font-size:.55rem}}
.range-tools{display:flex;gap:.4rem;flex-wrap:wrap;margin:.6rem 0;align-items:center}
.range-textarea{font-family:var(--mono);font-size:.85rem;min-height:2.6rem}
.chart-legend{display:flex;gap:1rem;flex-wrap:wrap;font-size:.85rem;color:var(--muted);margin:.4rem 0 1rem}
.chart-legend i{display:inline-block;width:12px;height:12px;border-radius:3px;vertical-align:-1px;margin-right:.3rem}
.charts{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:1rem}
.chart{background:#fff;border:1px solid var(--line);border-radius:12px;padding:.8rem}
.chart h3{margin:0 0 .5rem;font-size:1rem;display:flex;justify-content:space-between}
.chart h3 small{font-weight:500;color:var(--muted)}
.chart .range-str{font-family:var(--mono);font-size:.75rem;color:var(--muted);margin:.5rem 0 0;word-break:break-word}

/* content */
.content{max-width:76ch}
.content h2{scroll-margin-top:80px}
.content table{font-size:.92rem}
.content ul,.content ol{padding-left:1.3rem}
.content li{margin-bottom:.3rem}
.content .formula{white-space:pre-wrap;font-family:var(--mono);background:var(--surface);border:1px solid var(--line);border-radius:8px;padding:.6rem .9rem;overflow-x:auto;margin:0 0 1em}
.note{border-left:4px solid var(--accent);background:var(--accent-soft);padding:.7rem 1rem;border-radius:0 8px 8px 0;margin:0 0 1em}
.layout{display:grid;grid-template-columns:minmax(0,1fr) 280px;gap:2.5rem;align-items:start}
@media (max-width:900px){.layout{grid-template-columns:1fr}}
.aside{position:sticky;top:76px}
.aside h3{font-size:.8rem;text-transform:uppercase;letter-spacing:.08em;color:var(--muted);margin:0 0 .5rem}
.aside ul{list-style:none;margin:0 0 1.5rem;padding:0}
.aside li a{display:block;padding:.35rem 0;text-decoration:none;color:var(--text);font-size:.93rem;border-bottom:1px solid var(--line)}
.aside li a:hover{color:var(--accent-dark)}
.aside li a[aria-current]{color:var(--accent-dark);font-weight:600}
.toc a{color:var(--muted)}
.hub{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:.9rem;margin:1rem 0 2rem}
.hub a{display:block;padding:1rem;border:1px solid var(--line);border-radius:12px;text-decoration:none;color:var(--text);background:#fff;transition:border-color .15s,box-shadow .15s}
.hub a:hover{border-color:var(--accent);box-shadow:var(--shadow)}
.hub strong{display:block;margin-bottom:.25rem}
.hub span{font-size:.88rem;color:var(--muted)}
.hub .ico{display:inline-flex;width:34px;height:34px;border-radius:9px;background:var(--accent-soft);color:var(--accent-dark);align-items:center;justify-content:center;font-weight:800;margin-bottom:.6rem;font-size:.9rem}
.matchups{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:.7rem;margin:0 0 1.5rem}
.matchup{display:flex;align-items:center;justify-content:space-between;gap:.5rem;border:1px solid var(--line);border-radius:10px;padding:.55rem .7rem;background:#fff;text-decoration:none;color:var(--text)}
.matchup:hover{border-color:var(--accent)}
.matchup .hand{display:flex;gap:2px}
.matchup .hand .pc{border:1px solid var(--line);border-radius:4px;padding:2px 4px;background:#fff}
.matchup .hand .pc b{font-size:.85rem}.matchup .hand .pc i{font-size:.7rem}
.matchup .pct{font-weight:700;font-variant-numeric:tabular-nums;font-size:.9rem}
.matchup .vs{color:var(--muted);font-size:.75rem}
.embed-code{font-family:var(--mono);font-size:.82rem;background:#1b2430;color:#e6edf3;padding:1rem;border-radius:10px;overflow-x:auto;white-space:pre;margin:0 0 1em}
.copy-row{display:flex;gap:.5rem;align-items:center;margin:0 0 1em}
.pill{display:inline-block;padding:.15rem .5rem;border-radius:999px;background:var(--surface-2);font-size:.75rem;font-weight:600;color:var(--muted)}
.site-footer{margin-top:3rem;border-top:1px solid var(--line);padding:2rem 0;font-size:.9rem;color:var(--muted);background:var(--surface)}
.footer-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:1.5rem;margin-bottom:1.5rem}
.footer-grid h3{font-size:.8rem;text-transform:uppercase;letter-spacing:.08em;margin:0 0 .5rem;color:var(--text)}
.footer-grid ul{list-style:none;margin:0;padding:0}
.footer-grid li{margin:0 0 .3rem}
.footer-grid a{color:var(--muted);text-decoration:none}
.footer-grid a:hover{color:var(--accent-dark)}
.footer-bottom{display:flex;justify-content:space-between;gap:1rem;flex-wrap:wrap;font-size:.85rem}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.toast{position:fixed;left:50%;bottom:1.5rem;transform:translateX(-50%);background:var(--text);color:#fff;padding:.6rem 1rem;border-radius:8px;font-size:.9rem;opacity:0;pointer-events:none;transition:opacity .2s;z-index:80}
.toast.is-on{opacity:1}
.help-kbd{font-size:.8rem;color:var(--muted);margin:.5rem 0 0}
kbd{font-family:var(--mono);font-size:.78em;border:1px solid var(--line);border-bottom-width:2px;border-radius:4px;padding:0 .3em;background:#fff}
.dead-row{margin-top:.75rem;padding-top:.75rem;border-top:1px dashed var(--line)}
.dead-row .slots{gap:.3rem}
.dead-row .slot{width:36px;height:50px}
.dead-row .slot .pc b{font-size:1rem}.dead-row .slot .pc i{font-size:.85rem}
.prog{height:4px;background:var(--surface-2);border-radius:2px;overflow:hidden;margin-top:.5rem}
.prog span{display:block;height:100%;background:var(--accent);width:0;transition:width .15s}

/* widget mode */
body.widget{background:transparent}
body.widget .calc{margin:0;border-radius:10px}
.widget-foot{font-size:.78rem;color:var(--muted);text-align:right;margin-top:.5rem}
.widget-foot a{color:var(--accent-dark)}
@media print{.site-header,.site-footer,.deck,.calc-actions{display:none}}