html {scroll-behavior:smooth} body {line-height:1.65} a {color:#72dff5;text-underline-offset:3px} a:hover {color:#c4f7ff}
#site-header {max-width:1100px;margin:auto;padding:12px 20px;border-bottom:1px solid #24323d;display:flex;align-items:start;justify-content:space-between;gap:18px}
#site-nav-links {display:flex;flex-wrap:wrap;align-items:center;gap:12px 28px;min-width:0} .site-brand {font:700 17px var(--mono,monospace);letter-spacing:.08em;color:#e6edf3;text-decoration:none;white-space:nowrap}
#site-header nav {display:flex;flex-wrap:wrap;gap:8px 18px;font-size:14px} #site-header nav a {text-decoration:none} #site-header nav a:hover {text-decoration:underline}
body[data-page] .language-control {position:static;flex:0 0 auto} .language-control select {max-width:150px;background:#11161c;color:#e6edf3;border:1px solid #39434b;border-radius:4px;padding:6px;font-size:13px}
.header-actions {display:flex;align-items:center;gap:8px;flex:0 0 auto}
.more-games-cta {display:inline-flex;align-items:center;justify-content:center;white-space:nowrap;text-decoration:none;color:var(--ink)}
.more-games-cta:hover {color:var(--signal);border-color:var(--signal)}
.header-more-games.btn {min-width:0;min-height:36px;padding:6px 12px;font-size:13px;letter-spacing:.02em;border-color:#39434b;border-radius:4px}
body[data-game] #app {min-height:calc(100svh - 84px)} body[data-game] #main {min-height:380px} #hdr {margin-top:5px}
.skip-link {position:absolute;left:12px;top:-100px;background:#e6edf3;color:#11161c;padding:10px;z-index:30} .skip-link:focus {top:6px}
.seo-content {max-width:860px;margin:0 auto;padding:32px 24px 48px;color:#d8e0e7;font-family:var(--sans,system-ui,sans-serif)} .seo-content h1 {font-size:clamp(27px,4vw,40px);line-height:1.2;letter-spacing:-.025em;color:#f4f7fa;margin-bottom:20px;text-wrap:balance}
.seo-content h2 {font-size:24px;line-height:1.3;margin:32px 0 12px;color:#eff5fa} .seo-content p {margin:0 0 16px} .seo-content .intro {font-size:19px;color:#bbcad7;line-height:1.7} .seo-content li {margin-bottom:10px} .seo-content ul {padding-left:24px;margin:12px 0 22px}
.breadcrumbs {display:flex;flex-wrap:wrap;gap:5px 8px;font-size:13px;color:#9cabb8;margin-bottom:24px}.breadcrumbs span[aria-current] {overflow-wrap:anywhere}
.practice-links {display:grid;grid-template-columns:repeat(auto-fit,minmax(125px,1fr));gap:10px;margin:24px 0}.practice-links a {border:1px solid #2c4754;border-radius:8px;padding:18px 12px;text-align:center;background:#111c25;font-weight:600}
.related {border-top:1px solid #2b3945;margin-top:36px}.related nav {display:flex;flex-wrap:wrap;gap:12px 24px}.faq details {padding:14px 0;border-bottom:1px solid #24323d}.faq summary {font-weight:600;cursor:pointer;color:#e6edf3}.faq details p {margin:12px 0 0}
#site-footer {max-width:1000px;margin:0 auto;padding:28px 24px 36px;border-top:1px solid #24323d;font-size:13px;color:#9dacb9}#site-footer p {max-width:850px;margin-bottom:14px}#site-footer nav {display:flex;flex-wrap:wrap;gap:10px 20px;margin-top:14px}.language-links [aria-current] {color:#e6edf3;text-decoration:none;font-weight:700}
.table-scroll {max-width:100%;overflow:auto;margin:24px 0}.score-examples {border-collapse:collapse;width:100%;font-size:15px}.score-examples caption {text-align:left;font-weight:600;padding-bottom:12px}.score-examples th,.score-examples td {padding:10px;border:1px solid #34424f;text-align:left;white-space:nowrap}
.calculator {padding:24px;border:1px solid #344d5b;border-radius:10px;margin:32px 0;background:#101b23}.calculator h2 {margin-top:0}.calculator form {display:grid;grid-template-columns:1fr 1fr;gap:16px}.calculator label {display:block;font-size:14px}.calculator select,.calculator input {display:block;width:100%;min-width:0;min-height:44px;padding:8px;background:#0c131a;color:#eff5fa;border:1px solid #48606d;border-radius:4px;font:16px system-ui}.calculator [data-tempo-options] {display:grid;gap:12px}.calculator [hidden] {display:none}.calculator output {display:block;grid-column:1/-1;font:700 36px var(--mono,monospace);color:#59dcee}.calculator button {grid-column:1/-1;justify-self:start}
#content-main {min-height:65vh}.seo-content :target {scroll-margin-top:20px}
@media(max-width:600px){#site-header {padding:10px 16px;gap:12px}#site-nav-links {gap:9px}#site-header nav {gap:7px 14px;font-size:12px}.site-brand {font-size:14px;white-space:normal;overflow-wrap:anywhere}body[data-game] #app {min-height:calc(100svh - 126px)}body[data-game] #main {min-height:280px}.seo-content {padding:28px 18px 36px}.seo-content h2 {font-size:21px}.seo-content .intro {font-size:17px}.calculator {padding:18px}.calculator form {grid-template-columns:1fr}#site-footer {padding:24px 18px}.language-control select {max-width:120px}}
@media(prefers-reduced-motion:reduce){html {scroll-behavior:auto}}
@media(max-width:600px){#site-header {flex-wrap:wrap}#site-nav-links {width:100%}.header-actions {margin-left:auto}.home-card {padding-inline:0}.home-actions {display:grid;grid-template-columns:repeat(2,minmax(0,1fr));width:100%;max-width:360px}.home-actions>.btn:first-child {grid-column:1/-1;justify-self:center;min-width:130px}.home-actions .btn {min-width:0;padding:10px 12px;font-size:14px;white-space:nowrap}}
@media(max-width:380px){.home-actions .btn {padding-inline:8px;font-size:13px;letter-spacing:.04em}}