/* CSP Stair Calculators */
.csp-sc{--a:#CC6D28;--ad:#A9531A;--ink:#111;--mut:#555;--ln:#E6E6E6;--soft:#F6F6F6;--good:#2E7D32;--bad:#C62828;
	background:var(--soft);border-radius:12px;padding:22px;margin:8px 0 28px;color:var(--ink);font-size:16px;line-height:1.5}
.csp-sc *{box-sizing:border-box}
.csp-sc [hidden]{display:none!important}
.csp-sc .tabs{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-bottom:16px}
.csp-sc .tabs button{background:#fff;border:2px solid var(--ln);border-radius:8px;padding:12px 14px;text-align:left;font:inherit;font-weight:700;color:var(--ink);cursor:pointer;line-height:1.25}
.csp-sc .tabs button small{display:block;font-weight:400;font-size:13.5px;color:var(--mut);margin-top:2px}
.csp-sc .tabs button[aria-selected="true"]{border-color:var(--a);box-shadow:inset 0 0 0 1px var(--a)}
.csp-sc .grid{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:22px;align-items:start}
.csp-sc .fld{margin:0 0 14px}
.csp-sc label{display:block;font-weight:700;font-size:15px;margin:0 0 2px}
.csp-sc .hint{font-size:13.5px;color:var(--mut);margin:0 0 6px}
.csp-sc input,.csp-sc select{width:100%;padding:10px 12px;border:1px solid #CFCFCF;border-radius:6px;font:inherit;font-size:16px;background:#fff;color:var(--ink);min-height:44px}
.csp-sc .len{display:grid;grid-template-columns:1fr 1fr 1.1fr;gap:8px}
.csp-sc .len.noft{grid-template-columns:1fr 1.1fr}
.csp-sc .len span{position:relative;display:block}
.csp-sc .len span input{padding-right:34px}
.csp-sc .len em{position:absolute;right:10px;top:50%;transform:translateY(-50%);font-style:normal;font-size:13.5px;color:var(--mut);pointer-events:none}
.csp-sc .out{background:#fff;border:2px solid var(--ink);border-radius:10px;padding:16px 18px;min-height:120px}
.csp-sc .out .big{font-size:clamp(26px,3.2vw,32px);font-weight:800;line-height:1.1}
.csp-sc .out .sm{font-size:14.5px;color:var(--mut);margin:6px 0 0}
.csp-sc .out h4{font-size:16px;margin:18px 0 4px}
.csp-sc .out .step{margin:12px 0 0;padding:10px 12px;background:var(--soft);border-left:4px solid var(--a);border-radius:0 6px 6px 0;font-size:15.5px}
.csp-sc .out .alert{margin:12px 0 0;padding:10px 12px;background:#FFF4E5;border-left:4px solid var(--bad);border-radius:0 6px 6px 0;font-size:15px}
.csp-sc .out ul{list-style:none;padding:0;margin:12px 0 0}
.csp-sc .out .kv li{display:flex;justify-content:space-between;gap:12px;padding:7px 0;border-top:1px solid var(--ln);font-size:15px}
.csp-sc .out .kv li span{color:var(--mut)}
.csp-sc .out .kv li strong{text-align:right}
.csp-sc .out .kv small{display:block;font-weight:400;color:var(--mut);font-size:12.5px}
.csp-sc .out .checks li{position:relative;padding:5px 0 5px 26px;font-size:15px}
.csp-sc .out .checks li:before{position:absolute;left:0;top:5px;font-weight:800}
.csp-sc .out .checks li.ok:before{content:"\2713";color:var(--good)}
.csp-sc .out .checks li.bad:before{content:"\2717";color:var(--bad)}
.csp-sc .out .checks li.bad{color:var(--bad);font-weight:600}
.csp-sc .out .marks{columns:4 90px;column-gap:16px;margin:8px 0 0;padding-left:28px;font-size:15px;font-variant-numeric:tabular-nums}
.csp-sc .out .marks li{padding:2px 0;break-inside:avoid}
.csp-sc .out .opts{width:100%;border-collapse:collapse;font-size:14.5px;margin-top:8px}
.csp-sc .out .opts th,.csp-sc .out .opts td{text-align:left;padding:7px 6px;border-bottom:1px solid var(--ln)}
.csp-sc .out .opts th{background:var(--soft);font-weight:700}
.csp-sc .out .opts tr.on td{background:#FBEFE6;font-weight:700}
.csp-sc .out .opts button{background:none;border:0;padding:0;font:inherit;color:var(--ad);text-decoration:underline;cursor:pointer}
.csp-sc .dia{display:block;width:100%;max-width:560px;height:auto;margin:14px 0 4px;overflow:visible}
.csp-sc .dia .p{fill:#8B6A4E}
.csp-sc .dia .b{fill:var(--ink)}
.csp-sc .dia .t{fill:#C9A27A}
.csp-sc .dia .fl,.csp-sc .dia .rs{stroke:#999;stroke-width:2}
.csp-sc .dia .rs{stroke-dasharray:4 3}
.csp-sc .dia .st{fill:none;stroke:var(--ink);stroke-width:3;stroke-linejoin:round}
.csp-sc .dia .d{stroke:var(--a);stroke-width:1.5}
.csp-sc .dia text{font-size:15px;fill:var(--ink);font-family:inherit}
.csp-sc .dia text.lb{fill:var(--mut)}
.csp-sc .dia .sb{fill:#F3ECE4}
.csp-sc .dia .rs2{stroke:#B08A62;stroke-width:2}
.csp-sc .dia .hr{stroke:#6B4A2E;stroke-width:7;stroke-linecap:round}
.csp-sc .dia .dash{stroke-dasharray:3 3}
.csp-sc .dia text.oc{fill:var(--ad);font-weight:700}
.csp-sc .dia text.halo{paint-order:stroke;stroke:#fff;stroke-width:4px;stroke-linejoin:round}
.csp-sc .dia3{max-width:520px}
.csp-sc .note{font-size:13.5px;color:var(--mut);margin:14px 0 0}
.csp-sc .print{background:none;border:1px solid var(--ink);border-radius:6px;padding:5px 12px;margin-left:6px;font:inherit;font-size:13.5px;font-weight:700;color:var(--ink);cursor:pointer}
.csp-sc .print:hover{background:var(--ink);color:#fff}
@media (max-width:781px){
	.csp-sc{padding:16px;margin-left:-4px;margin-right:-4px}
	.csp-sc .grid{grid-template-columns:1fr}
	.csp-sc .tabs button{padding:10px}
	.csp-sc .out .marks{columns:3 80px}
	.csp-sc .print{display:block;margin:8px 0 0}
}
@media print{
	body *{visibility:hidden}
	.csp-sc,.csp-sc *{visibility:visible}
	.csp-sc{position:absolute;left:0;top:0;width:100%;background:#fff;padding:0}
	.csp-sc .tabs,.csp-sc .print,.csp-sc .hint{display:none}
	.csp-sc .grid{grid-template-columns:1fr 1.6fr}
}