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.apcalc-keypad{grid-column:1;grid-row:2}#calculatorHost .apcalc:not(.scientific) .apcalc-functions{grid-column:2;grid-row:2;grid-template-columns:1fr;gap:4px;margin:0}#calculatorHost .apcalc:not(.scientific) .apcalc-history{grid-column:1 / -1;grid-row:1}#calculatorHost .apcalc:not(.scientific):has(.apcalc-history:not([hidden])) .apcalc-work{grid-row:2}#calculatorHost .apcalc:not(.scientific):has(.apcalc-history:not([hidden])) :is(.apcalc-keypad,.apcalc-functions){grid-row:3}#calculatorHost .apcalc:not(.scientific) .apcalc-work{padding:2px 8px;margin-bottom:4px}#calculatorHost .apcalc:not(.scientific) .apcalc-input{height:32px}#calculatorHost .apcalc:not(.scientific) .apcalc-functions>button{height:36px}#calculatorHost .apcalc:not(.scientific) .apcalc-keypad{gap:4px}#calculatorHost .apcalc:not(.scientific) .apcalc-keypad button{height:36px}#calculatorHost .apcalc:not(.scientific) .apcalc-footer{padding:4px 12px}#calculatorHost .apcalc:not(.scientific) .apcalc-use{height:32px}}@media(min-width:761px)and (max-width:1400px){#studyRail{width:400px}}@media(max-height:800px){#studyRail{--study-height: calc(100dvh - 148px) ;top:64px;bottom:84px}#studyRail>#check{padding-top:8px;padding-bottom:8px}#studyRail .ck-head{margin-bottom:4px}#studyRail .ck-q{font-size:17px;margin-bottom:6px}#studyRail .ck-math{font-size:16px;padding:2px 10px;margin:0 0 4px}#studyRail .ck-foot{margin-top:4px}}@media(max-width:760px)and (max-height:800px){#studyRail{--study-height: calc(100dvh - 120px) ;top:auto;bottom:68px}}@media(max-height:700px){#studyRail{--calculator-height: 268px}#studyRail .ck-q{font-size:16px}#calculatorHost .apcalc:not(.scientific) .apcalc-keypad button,#calculatorHost .apcalc:not(.scientific) .apcalc-functions>button{height:32px}#calculatorHost .apcalc:not(.scientific) .apcalc-header button{min-height:32px;height:32px}}@media(max-width:760px),(max-height:520px){#studyRail{--study-height: min(62dvh, calc(100dvh - 220px) );height:var(--study-height)}#studyRail.with-check{bottom:8px}#studyRail.with-check>#check{max-height:32%;flex:0 1 auto}#studyRail.with-check:has(.apcalc-graphing)>#check{max-height:20%}#studyRail.with-check #check>:not(.ck-prompt){display:none}#studyRail .ck-prompt{min-height:0}#studyRail>#calculatorHost,#studyRail:has(.apcalc-graphing)>#calculatorHost{flex:1 1 0;min-height:0}#studyRail .apcalc{flex:1 1 0;max-height:100%}#studyRail .apcalc-scroll{flex:1 1 auto;min-height:0}}@media(max-height:520px)and (orientation:landscape){body.card-open:not(.calculator-open) #check{max-height:48dvh;display:flex;flex-direction:column;overflow:hidden;padding:8px 18px 10px}body.card-open:not(.calculator-open) #check .ck-grab{display:none}body.card-open:not(.calculator-open) #check .ck-prompt{display:flex;flex-direction:column;flex:1 1 auto;min-height:0;overflow:auto;overscroll-behavior:contain}body.card-open:not(.calculator-open) #check .ck-prompt>*{flex:none}body.card-open:not(.calculator-open) 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.065));--_accent: var(--calc-accent, #255bc9);--_accent-soft: var(--calc-accent-soft, #eaf0ff);--_on-accent: var(--calc-on-accent, #fff);--_shadow: var(--calc-shadow, 0 24px 70px -20px rgba(27, 38, 68, .27), 0 3px 12px rgba(27, 38, 68, .04));position:fixed;z-index:var(--calc-z-index, 1000);top:var(--calc-top, auto);right:var(--calc-right, 24px);bottom:var(--calc-bottom, 24px);left:var(--calc-left, auto);width:min(var(--calc-width, 390px),calc(100vw - 24px));max-height:calc(var(--calc-viewport-height, 100dvh) - 24px);display:flex;flex-direction:column;overflow:hidden;border:1px solid var(--_line);border-radius:24px;background:var(--_bg);color:var(--_ink);box-shadow:var(--_shadow);-webkit-backdrop-filter:blur(28px) saturate(1.5);backdrop-filter:blur(28px) saturate(1.5);font:400 14px/1.4 var(--calc-font, var(--font, "Inter Tight", -apple-system, BlinkMacSystemFont, "Helvetica Neue", Arial, 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var(--_line);flex:none}.apcalc-graph-result-top{display:flex;align-items:center;justify-content:space-between;gap:6px;min-height:26px}.apcalc-graph-result-label{font-size:11px;color:var(--_muted)}.apcalc .apcalc-precision{font-size:11px;color:var(--_muted);min-height:30px;padding:0 7px;flex:none}.apcalc .apcalc-precision[aria-pressed=true]{background:var(--_accent-soft);color:var(--_accent)}.apcalc-graph-answer-row{display:flex;align-items:center;justify-content:space-between;gap:12px;min-height:47px}.apcalc-graph-result{color:var(--_accent);font-size:30px;letter-spacing:-.03em;font-weight:500;font-variant-numeric:tabular-nums;overflow-wrap:anywhere;min-width:0}.apcalc .apcalc-graph-use{min-height:44px;padding:0 16px;background:var(--_accent);color:var(--_on-accent);font-size:13px;font-weight:600;flex:none;border-radius:13px}.apcalc-graph-message{margin:4px 0 0;color:var(--_muted);font-size:11px;min-height:16px}.apcalc .apcalc-graph-error{color:var(--_ink);font-weight:500}.apcalc-window{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:8px;margin-bottom:12px;padding:12px;border:1px solid var(--_line);border-radius:12px}.apcalc-window button{min-height:44px;grid-column:span 2;font-size:12px;background:var(--_accent-soft);color:var(--_accent)}.apcalc-graph-keys{display:grid;grid-template-columns:repeat(8,minmax(0,1fr));gap:4px;margin-bottom:10px}.apcalc-graph-keys button{min-height:44px;background:var(--_soft);font-size:14px}@media(max-width:520px){.apcalc.apcalc-graphing{width:100%}.apcalc-graph-scroll{padding:0 12px 10px}.apcalc-equations{gap:5px}.apcalc-equation{grid-template-columns:30px 7px minmax(0,1fr)}.apcalc .apcalc-equation input{padding:7px 5px}.apcalc-equation input::placeholder{font-size:10px}.apcalc-graph-toolbar{gap:1px}.apcalc-graph-toolbar button{padding:0 7px;font-size:11px}.apcalc-graph-toolbar [data-tool=in],.apcalc-graph-toolbar [data-tool=out]{min-width:30px}.apcalc-plot{height:clamp(180px,26vh,240px)}.apcalc-operations{gap:4px}.apcalc-operations button{font-size:11px;padding:5px 2px}.apcalc-run-row{flex-wrap:wrap;gap:6px}.apcalc-operation-help{flex-basis:100%}.apcalc .apcalc-run{flex:1}.apcalc-graph-result-area{padding:6px 12px calc(10px + env(safe-area-inset-bottom))}.apcalc-graph-result{font-size:23px}.apcalc-graph-use{padding-left:12px;padding-right:12px}}@media(max-width:350px){.apcalc-graph-toolbar{flex-wrap:wrap}.apcalc-graph-keys{grid-template-columns:repeat(4,minmax(0,1fr))}}