:root{--bg:#121826;--panel:#1b2335;--ink:#e8ecf4;--muted:#9aa6bd;--accent:#f2b134;--line:#2c3650;--light-sq:#dee3e6;--dark-sq:#8ca2ad;--hl:#cdd26a;--best:#f2b134}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--ink);font:17px/1.65 Georgia,"Iowan Old Style","Times New Roman",serif}
a{color:var(--accent)}
.bar{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:6px;padding:12px 20px;border-bottom:1px solid var(--line);font-family:system-ui,-apple-system,"Segoe UI",sans-serif}
.logo{font-weight:800;font-size:20px;color:var(--ink);text-decoration:none;letter-spacing:.3px}.logo span{color:var(--accent)}
.disc{font-size:12px;color:var(--muted)}
main{max-width:980px;margin:0 auto;padding:0 18px 40px}
.intro{padding:26px 0 8px}
h1{font-size:38px;line-height:1.15;margin:0 0 10px}
h2{font-size:24px;margin:26px 0 10px}
h3{font-size:18px;margin:16px 0 4px}
.lede{font-size:19px;color:#cdd4e3}
.pick{background:var(--panel);border:1px solid var(--line);border-radius:8px;padding:10px 14px}
.finder{display:grid;grid-template-columns:1fr minmax(260px,460px);gap:24px;background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:20px;margin:16px 0;font-family:system-ui,-apple-system,"Segoe UI",sans-serif;font-size:15px}
@media (max-width:820px){.finder{grid-template-columns:1fr}.finder-board{order:-1}}
.finder h2{margin-top:0}
label{display:block;font-weight:600;margin-top:10px;font-size:14px}
.row{display:flex;flex-wrap:wrap;gap:8px;margin:8px 0}
input[type=text]{flex:1;min-width:0;padding:8px;border-radius:6px;border:1px solid var(--line);background:#0f1420;color:var(--ink);font:13px ui-monospace,Menlo,monospace}
select{padding:7px;border-radius:6px;border:1px solid var(--line);background:#0f1420;color:var(--ink);margin-bottom:10px}
button{padding:8px 12px;border-radius:6px;border:1px solid var(--line);background:#26304a;color:var(--ink);cursor:pointer;font-size:14px}
button:disabled{opacity:.45;cursor:default}
button.go{display:block;width:100%;background:var(--accent);color:#1a1300;border:0;font-weight:700;padding:11px;margin-top:4px}
.hint{font-size:13px;color:var(--muted)}
.fair{font-size:13px;color:#ffd58a}
.lines{padding-left:20px}.lines li{margin:5px 0}
.lines .ev{display:inline-block;min-width:56px;font-weight:700;color:var(--accent)}
.lines .pv{color:var(--muted);font-size:13px}
.board{display:grid;grid-template-columns:repeat(8,1fr);width:100%;aspect-ratio:1;border-radius:6px;overflow:hidden;user-select:none;border:3px solid #0b0f19}
.sq{display:flex;align-items:center;justify-content:center;font-size:clamp(22px,5.2vw,42px);cursor:pointer;position:relative;line-height:1}
.sq.l{background:var(--light-sq)}.sq.d{background:var(--dark-sq)}
.sq.sel{box-shadow:inset 0 0 0 4px #5bc0eb}.sq.last{background:var(--hl)!important}.sq.best{box-shadow:inset 0 0 0 4px var(--best)}
.sq .c{position:absolute;left:3px;bottom:1px;font-size:10px;color:#0006}
.pw{color:#fff;text-shadow:0 0 2px #000,0 0 1px #000}.pb{color:#111}
article{font-size:17px}
.table-wrap{overflow-x:auto}
table{border-collapse:collapse;width:100%;font:14px/1.5 system-ui,-apple-system,"Segoe UI",sans-serif}
th,td{border:1px solid var(--line);padding:8px 10px;text-align:left;vertical-align:top}
th{background:#222b41}
footer{border-top:1px solid var(--line);max-width:980px;margin:0 auto;padding:14px 18px 40px;font:13px/1.6 system-ui,sans-serif;color:var(--muted)}