/* ============================================================
   Engineering calculators — drawing-sheet aesthetic.
   Loaded only on pages using the Calculators template or
   the [mep_calc] shortcode. Uses theme custom properties.
   ============================================================ */

.mepcalc-intro { max-width: 760px; padding: 40px 0 8px; }
.mepcalc-intro p { color: var(--ink-soft); }

.mepcalc-toc { display: flex; flex-wrap: wrap; gap: 10px; padding: 16px 0 8px; }
.mepcalc-toc a {
	font: 500 13px/1 var(--f-mono); letter-spacing: 0.04em; text-transform: uppercase;
	color: var(--accent-blue); border: 1px solid var(--rule); padding: 9px 14px;
	text-decoration: none; background: var(--paper-bright);
}
.mepcalc-toc a:hover { border-color: var(--accent); color: var(--accent); }

.mepcalc-card {
	background: var(--paper-bright); border: 1px solid var(--rule-strong);
	margin: 32px 0; position: relative;
}
.mepcalc-card::before {
	content: "CALC"; position: absolute; top: -1px; right: -1px;
	font: 600 10px/1 var(--f-mono); letter-spacing: 0.14em; color: var(--paper);
	background: var(--ink); padding: 5px 10px;
}
.mepcalc-head { padding: 22px 26px 6px; border-bottom: 1px solid var(--rule); }
.mepcalc-head h3 { font-family: var(--f-display); font-size: 24px; margin: 0 0 6px; color: var(--ink); }
.mepcalc-sub { font: 400 13px/1.5 var(--f-mono); color: var(--ink-mute); margin: 0 0 14px; }
.mepcalc-body { padding: 18px 26px 24px; }

.mepcalc-row { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; margin-bottom: 14px; }
.mepcalc-row label { font: 600 12px/1 var(--f-mono); letter-spacing: 0.06em; text-transform: uppercase; color: var(--ink-soft); }

.mepcalc-input-table, .mepcalc-table { width: 100%; border-collapse: collapse; margin: 6px 0 12px; }
.mepcalc-input-table th, .mepcalc-table th {
	font: 600 11px/1.3 var(--f-mono); letter-spacing: 0.08em; text-transform: uppercase;
	color: var(--ink-soft); text-align: left; padding: 8px 8px; border-bottom: 2px solid var(--rule-strong);
}
.mepcalc-input-table td { padding: 4px 4px; border-bottom: 1px solid var(--rule); }
.mepcalc-table td { font: 400 14px/1.5 var(--f-body); padding: 8px 8px; border-bottom: 1px solid var(--rule); color: var(--ink); }
.mepcalc-table tfoot th { font: 700 13px/1.4 var(--f-mono); border-top: 2px solid var(--rule-strong); border-bottom: none; color: var(--ink); }
.mepcalc-table { background: var(--paper); }

.mepcalc-input-table input, .mepcalc-input-table select,
.mepcalc-row input, .mepcalc-row select {
	font: 400 14px/1.2 var(--f-mono); color: var(--ink); background: var(--paper);
	border: 1px solid var(--rule); padding: 7px 8px; width: 100%; max-width: 220px; box-sizing: border-box;
}
.mepcalc-input-table input[type="number"] { max-width: 110px; }
.mepcalc-row input[type="number"] { max-width: 110px; }
.mepcalc-input-table input:focus, .mepcalc-input-table select:focus,
.mepcalc-row input:focus, .mepcalc-row select:focus { outline: 2px solid var(--accent-blue); outline-offset: -1px; }
.mepcalc-input-table input:disabled { color: var(--ink-mute); background: transparent; border-color: transparent; }

.mepcalc-add {
	font: 600 12px/1 var(--f-mono); letter-spacing: 0.06em; text-transform: uppercase;
	color: var(--accent-blue); background: none; border: 1px dashed var(--accent-blue);
	padding: 9px 16px; cursor: pointer; margin: 2px 0 16px;
}
.mepcalc-add:hover { color: var(--paper); background: var(--accent-blue); }
.mepcalc-del {
	font: 700 14px/1 var(--f-mono); color: var(--ink-mute); background: none;
	border: none; cursor: pointer; padding: 4px 8px;
}
.mepcalc-del:hover { color: var(--accent); }

.mepcalc-output { margin-top: 8px; }
.mepcalc-note { font: 400 12px/1.6 var(--f-mono); color: var(--ink-mute); border-left: 3px solid var(--rule-strong); padding-left: 12px; margin: 12px 0 0; }

.mepcalc-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 18px; padding-top: 14px; border-top: 1px solid var(--rule); }
.mepcalc-btn-primary {
	font: 600 13px/1 var(--f-mono); letter-spacing: 0.05em; text-transform: uppercase;
	color: var(--paper); background: var(--accent); padding: 12px 18px; text-decoration: none; border: none; cursor: pointer;
}
.mepcalc-btn-primary:hover { background: var(--ink); color: var(--paper); }
.mepcalc-btn-ghost {
	font: 600 13px/1 var(--f-mono); letter-spacing: 0.05em; text-transform: uppercase;
	color: var(--ink-soft); background: none; border: 1px solid var(--rule-strong); padding: 12px 18px; cursor: pointer;
}
.mepcalc-btn-ghost:hover { border-color: var(--accent); color: var(--accent); }

@media (max-width: 760px) {
	.mepcalc-body, .mepcalc-head { padding-left: 16px; padding-right: 16px; }
	.mepcalc-input-table input, .mepcalc-input-table select { max-width: 140px; }
	.mepcalc-input-table, .mepcalc-table { display: block; overflow-x: auto; }
}
@media print {
	.mepcalc-actions, .mepcalc-add, .mepcalc-del, .mepcalc-toc, .site-header, .site-footer, .mep-cta-strip { display: none !important; }
	.mepcalc-card { border: 1px solid #000; page-break-inside: avoid; }
}

.mepcalc-gate {
	font: 400 13px/1.6 var(--f-mono); color: var(--ink-soft);
	background: rgba(158, 42, 43, 0.06); border: 1px solid var(--accent);
	padding: 12px 14px; margin-top: 12px;
}
.mepcalc-gate a { color: var(--accent); font-weight: 600; }

/* Email lead-gate (enter email to copy; logged-in team bypasses) */
.mepcalc-gate-msg { display: block; margin-bottom: 8px; }
.mepcalc-gate-email {
	width: 100%; max-width: 280px; box-sizing: border-box; vertical-align: middle;
	font: 400 14px/1.4 var(--f-mono, monospace); color: var(--ink, #16243a);
	background: var(--paper, #f3ecd8); border: 1px solid var(--rule, rgba(22, 36, 58, 0.35));
	padding: 9px 10px; margin: 0 8px 6px 0;
}