/* Calculators and the keyboard test. Loaded only on those pages, after site.css. */
.calc { display: grid; gap: 14px; margin: 1.2rem 0; }
.calc-row { display: flex; flex-wrap: wrap; gap: 14px; }
.calc label { display: grid; gap: 6px; flex: 1 1 180px; font-size: .9rem; color: var(--sub); }
.calc input, .calc select { width: 100%; background: var(--surface); color: var(--text); border: 2px solid transparent; border-radius: 12px; padding: 13px 14px; font: inherit; font-size: 1rem; }
.calc input:focus, .calc select:focus { outline: 0; border-color: var(--main); }
.calc .opt { opacity: .7; font-size: .85em; }
.calc-out { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 12px; margin: 1.4rem 0 .6rem; }
.calc-out > div { background: var(--surface); border-radius: 14px; padding: 16px 18px; display: grid; gap: 4px; }
.calc-out span { color: var(--sub); font-size: .8rem; }
.calc-out b { font-size: 1.9rem; font-weight: 500; color: var(--main); line-height: 1.1; }
.calc-out.single { grid-template-columns: minmax(220px, 360px); }

/* keyboard test */
.kbt-bar { display: flex; flex-wrap: wrap; gap: 10px 14px; align-items: center; margin: 1.2rem 0; }
.kbt-bar .btn.go { background: var(--main); color: var(--main-ink); }
.kbt-stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 10px; margin-bottom: 1.2rem; }
.kbt-stats > div { background: var(--surface); border-radius: 12px; padding: 12px 16px; display: flex; flex-wrap: wrap; align-items: baseline; gap: 2px 8px; }
.kbt-stats span { flex: 1 0 100%; color: var(--sub); font-size: .78rem; }
.kbt-stats b { font-size: 1.6rem; font-weight: 500; color: var(--main); }
.kbt-stats i { font-style: normal; color: var(--sub); font-size: .85rem; }
.kbt-wrap { scrollbar-color: var(--sub) transparent; scrollbar-width: thin; overflow-x: auto; padding: 14px; background: var(--surface); border-radius: 16px; border: 2px solid transparent; transition: border-color .2s; }
.kbt-wrap.on { border-color: var(--main); }
.kbt { --u: 40px; display: flex; gap: calc(var(--u) * .5); width: max-content; margin-inline: auto; }
@media (max-width: 1300px) { .kbt { --u: 36px; } }
@media (max-width: 1100px) { .kbt { --u: 30px; } }
@media (max-width: 800px) { .kbt { --u: 28px; } }
.kb-main, .kb-nav, .kb-pad { display: flex; flex-direction: column; }
.kr { display: flex; height: var(--u); }
.kk, .ks { flex: none; width: calc(var(--w) * var(--u)); }
.kk { width: calc(var(--w) * var(--u) - 4px); height: calc(var(--u) - 4px); margin: 2px; display: grid; place-items: center; border-radius: 7px; background: var(--bg); color: var(--sub); font-size: calc(var(--u) * .3); line-height: 1; user-select: none; transition: background .08s, color .08s; box-shadow: 0 2px 0 color-mix(in srgb, var(--sub) 25%, transparent); }
.kk.tall { height: calc(var(--u) * 2 - 4px); position: relative; z-index: 1; }
.kk.ok { background: color-mix(in srgb, var(--main) 35%, var(--bg)); color: var(--text); }
.kk.down { background: var(--main); color: var(--main-ink); transform: translateY(2px); box-shadow: none; }
.kbt-last { display: flex; flex-wrap: wrap; align-items: baseline; gap: 6px 14px; margin-top: 1rem; color: var(--sub); font-size: .85rem; }
.kbt-last b { font-weight: 500; color: var(--text); font-size: 1.15rem; margin-right: 1.2rem; min-width: 2ch; }