/* =========================================================================
   Minector Engineering Tools — unified design system
   One radius (8px), one palette, one type scale, shared by all five tools.
   ========================================================================= */

@font-face {
	font-family: 'Minector Sans';
	src: url('../fonts/MinectorSans-Regular.woff2') format('woff2');
	font-weight: 400;
	font-style: normal;
	font-display: swap;
}
@font-face {
	font-family: 'Minector Sans';
	src: url('../fonts/MinectorSans-Medium.woff2') format('woff2');
	font-weight: 500;
	font-style: normal;
	font-display: swap;
}
@font-face {
	font-family: 'Minector Sans';
	src: url('../fonts/MinectorSans-Bold.woff2') format('woff2');
	font-weight: 700;
	font-style: normal;
	font-display: swap;
}

.mnt-root, .mnt-root *, .mnt-root *::before, .mnt-root *::after {
	box-sizing: border-box;
}

.mnt-root {
	--mnt-r: 8px;
	--mnt-bg: #0a0a0c;
	--mnt-panel: #121316;
	--mnt-panel2: #17181c;
	--mnt-panel3: #1d1f24;
	--mnt-border: rgba(255,255,255,.08);
	--mnt-border2: rgba(255,255,255,.15);

	--mnt-accent: #c98a4e;
	--mnt-accent-l: #e0a868;
	--mnt-accent-dim: rgba(201,138,78,.13);
	--mnt-accent-line: rgba(201,138,78,.32);

	--mnt-good: #2fbf71;
	--mnt-good-dim: rgba(47,191,113,.13);
	--mnt-bad: #e6534a;
	--mnt-bad-dim: rgba(230,83,74,.13);
	--mnt-warn: #e2ac2f;
	--mnt-warn-dim: rgba(226,172,47,.13);
	--mnt-info: #4a95e0;
	--mnt-info-dim: rgba(74,149,224,.13);

	--mnt-text: #eef0f2;
	--mnt-text2: #a2abb3;
	--mnt-text3: #666f78;

	--mnt-font: 'Minector Sans', Tahoma, 'Segoe UI', Arial, sans-serif;
	--mnt-mono: 'Courier New', monospace;
	--mnt-ease: cubic-bezier(.4,0,.2,1);

	background: var(--mnt-bg);
	color: var(--mnt-text);
	font-family: var(--mnt-font);
	font-size: 15px;
	line-height: 1.8;
	border-radius: var(--mnt-r);
	overflow: hidden;
	position: relative;
	max-width: 1440px;
	width: 100%;
	margin: 0 auto;
}

.mnt-root[dir="rtl"] { text-align: right; }
.mnt-root[dir="ltr"] { text-align: left; }

.mnt-root h1, .mnt-root h2, .mnt-root h3, .mnt-root h4, .mnt-root h5 {
	color: var(--mnt-text);
	font-weight: 700;
	margin: 0;
}
.mnt-root p { margin: 0 0 12px; color: var(--mnt-text2); text-align: justify; text-justify: inter-word; }
.mnt-root p.mnt-titleDesc,
.mnt-root p.mnt-hint,
.mnt-root p.mnt-muted { text-align: inherit; }
.mnt-root p:last-child { margin-bottom: 0; }
.mnt-root ul, .mnt-root ol { margin: 0; padding: 0; }
.mnt-root button, .mnt-root input, .mnt-root select { font-family: inherit; }
.mnt-root a { color: var(--mnt-accent-l); }

/* ---------- Layout shell ---------- */

.mnt-nav {
	display: flex;
	gap: 4px;
	flex-wrap: wrap;
	background: var(--mnt-panel);
	border-bottom: 1px solid var(--mnt-border);
	padding: 10px;
}

.mnt-navBtn {
	flex: 1 1 180px;
	display: flex;
	align-items: center;
	gap: 10px;
	padding: 10px 14px;
	background: transparent;
	border: 1px solid transparent;
	border-radius: var(--mnt-r);
	color: var(--mnt-text2);
	cursor: pointer;
	transition: background .2s var(--mnt-ease), border-color .2s var(--mnt-ease), color .2s var(--mnt-ease);
	text-align: inherit;
}
.mnt-navBtn:hover { background: var(--mnt-panel2); color: var(--mnt-text); }
.mnt-navBtn.is-on {
	background: var(--mnt-accent-dim);
	border-color: var(--mnt-accent-line);
	color: var(--mnt-accent-l);
}
.mnt-navBtn svg { flex-shrink: 0; }
.mnt-navBtn-text { display: flex; flex-direction: column; gap: 1px; min-width: 0; }
.mnt-navBtn-label { font-size: .92rem; font-weight: 700; }
.mnt-navBtn-sub { font-size: .74rem; color: var(--mnt-text3); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.mnt-navBtn.is-on .mnt-navBtn-sub { color: var(--mnt-accent-l); opacity: .75; }

@media (max-width: 900px) {
	.mnt-navBtn { flex: 1 1 45%; }
}
@media (max-width: 560px) {
	.mnt-navBtn { flex: 1 1 100%; }
	.mnt-navBtn-sub { white-space: normal; }
}

.mnt-panels { padding: 28px; }
@media (max-width: 900px) { .mnt-panels { padding: 20px; } }
@media (max-width: 640px) { .mnt-panels { padding: 14px; } }

.mnt-panel { display: none; }
.mnt-panel.is-on { display: block; animation: mnt-rise .35s var(--mnt-ease); }
@keyframes mnt-rise { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: translateY(0); } }
@media (prefers-reduced-motion: reduce) { .mnt-panel.is-on { animation: none; } }

/* ---------- Sub-tabs (used inside Panel & Earthing tools) ---------- */

.mnt-subtabs {
	display: flex;
	gap: 6px;
	overflow-x: auto;
	padding-bottom: 4px;
	margin-bottom: 20px;
	scrollbar-width: thin;
}
.mnt-subtabs::-webkit-scrollbar { height: 4px; }
.mnt-subtabs::-webkit-scrollbar-thumb { background: var(--mnt-border2); border-radius: var(--mnt-r); }

.mnt-subtabBtn {
	flex-shrink: 0;
	display: inline-flex;
	align-items: center;
	gap: 6px;
	padding: 8px 15px;
	border-radius: var(--mnt-r);
	border: 1px solid var(--mnt-border);
	background: var(--mnt-panel2);
	color: var(--mnt-text2);
	font-size: .84rem;
	font-weight: 600;
	cursor: pointer;
	white-space: nowrap;
	transition: .2s var(--mnt-ease);
}
.mnt-subtabBtn:hover { border-color: var(--mnt-border2); color: var(--mnt-text); }
.mnt-subtabBtn.is-on { background: var(--mnt-accent); color: #171008; border-color: var(--mnt-accent); }

.mnt-subpane { display: none; }
.mnt-subpane.is-on { display: block; animation: mnt-rise .3s var(--mnt-ease); }

/* ---------- Section heading ---------- */

.mnt-title {
	display: flex;
	align-items: center;
	gap: 10px;
	font-size: 1.2rem;
	margin-bottom: 6px;
}
.mnt-title svg { color: var(--mnt-accent-l); flex-shrink: 0; }
.mnt-titleDesc { color: var(--mnt-text3); font-size: .88rem; margin-bottom: 18px; }

/* ---------- Card ---------- */

.mnt-card {
	background: linear-gradient(180deg, var(--mnt-panel), var(--mnt-panel2));
	border: 1px solid var(--mnt-border);
	border-radius: var(--mnt-r);
	padding: 22px;
	margin-bottom: 16px;
	transition: border-color .25s var(--mnt-ease), box-shadow .25s var(--mnt-ease);
}
.mnt-card:last-child { margin-bottom: 0; }
.mnt-card:hover { border-color: var(--mnt-border2); box-shadow: 0 8px 28px rgba(0,0,0,.28); }
.mnt-cardHead {
	display: flex;
	align-items: center;
	gap: 10px;
	margin-bottom: 16px;
	padding-bottom: 12px;
	border-bottom: 1px solid var(--mnt-border);
}
.mnt-cardIco {
	width: 34px; height: 34px;
	flex-shrink: 0;
	display: flex; align-items: center; justify-content: center;
	background: var(--mnt-accent-dim);
	border: 1px solid var(--mnt-accent-line);
	border-radius: var(--mnt-r);
	color: var(--mnt-accent-l);
	transition: transform .25s var(--mnt-ease), box-shadow .25s var(--mnt-ease);
}
.mnt-card:hover .mnt-cardIco { transform: translateY(-1px) scale(1.04); box-shadow: 0 0 0 4px var(--mnt-accent-dim); }
.mnt-cardHead h3 { font-size: 1rem; }
.mnt-card h4 { color: var(--mnt-accent-l); font-size: .95rem; margin: 18px 0 8px; }
.mnt-card h4:first-child { margin-top: 0; }

/* ---------- Grids ---------- */

.mnt-g2 { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.mnt-g3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.mnt-g4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
@media (max-width: 900px) { .mnt-g3 { grid-template-columns: 1fr 1fr; } .mnt-g4 { grid-template-columns: 1fr 1fr; } }
@media (max-width: 620px) { .mnt-g2, .mnt-g3, .mnt-g4 { grid-template-columns: 1fr; } }

/* ---------- Form fields ---------- */

.mnt-field { display: flex; flex-direction: column; gap: 6px; margin-bottom: 14px; }
.mnt-field:last-child { margin-bottom: 0; }
.mnt-field label { font-size: .82rem; font-weight: 600; color: var(--mnt-text2); }

/* ---------- Field label row + contextual help tooltip ---------- */
.mnt-labelRow { display: flex; align-items: center; justify-content: space-between; gap: 8px; }
.mnt-help {
	position: relative; display: inline-flex; align-items: center; justify-content: center;
	width: 16px; height: 16px; border-radius: 50%; flex-shrink: 0; cursor: help;
	color: var(--mnt-text3); border: 1px solid currentColor; background: transparent;
	font-size: .68rem; font-weight: 700; line-height: 1; padding: 0; transition: color .2s, border-color .2s;
}
.mnt-help:hover, .mnt-help:focus-visible, .mnt-help.is-on { color: var(--mnt-accent); border-color: var(--mnt-accent); outline: none; }
.mnt-help .mnt-helpTip {
	position: absolute; z-index: 40; bottom: calc(100% + 9px); inset-inline-end: -8px;
	width: 240px; max-width: 60vw; padding: 10px 12px; border-radius: calc(var(--mnt-r) - 2px);
	background: var(--mnt-panel3); border: 1px solid var(--mnt-border2); box-shadow: 0 10px 26px rgba(0,0,0,.45);
	color: var(--mnt-text2); font-size: .76rem; font-weight: 500; line-height: 1.6; text-align: start;
	opacity: 0; visibility: hidden; transform: translateY(4px); transition: opacity .16s var(--mnt-ease), transform .16s var(--mnt-ease);
	pointer-events: none;
}
.mnt-help .mnt-helpTip strong { display: block; color: var(--mnt-accent-l); font-size: .74rem; margin-bottom: 3px; }
.mnt-help:hover .mnt-helpTip, .mnt-help:focus-visible .mnt-helpTip, .mnt-help.is-on .mnt-helpTip {
	opacity: 1; visibility: visible; transform: translateY(0);
}
@media (hover: none) { .mnt-help .mnt-helpTip { inset-inline-end: 50%; transform: translateX(50%) translateY(4px); } .mnt-help:hover .mnt-helpTip, .mnt-help.is-on .mnt-helpTip { transform: translateX(50%) translateY(0); } }

/* ---------- Smart hint badge under a field (typical-range / auto-suggestion) ---------- */
.mnt-fieldHint { display: flex; align-items: center; gap: 5px; font-size: .72rem; color: var(--mnt-text3); }
.mnt-fieldHint svg { flex-shrink: 0; opacity: .8; }
.mnt-fieldHint button { color: var(--mnt-accent); background: none; border: none; padding: 0; font: inherit; font-weight: 700; cursor: pointer; text-decoration: underline dotted; text-underline-offset: 2px; }
.mnt-fieldHint button:hover { color: var(--mnt-accent-l); }

/* ---------- Inline validation state ---------- */
.mnt-field.is-invalid .mnt-input,
.mnt-field.is-invalid .mnt-select { border-color: var(--mnt-bad); box-shadow: 0 0 0 3px var(--mnt-bad-dim); }
.mnt-fieldError { display: none; align-items: center; gap: 5px; font-size: .74rem; color: var(--mnt-bad); font-weight: 600; }
.mnt-field.is-invalid .mnt-fieldError { display: flex; }
.mnt-field.is-invalid .mnt-fieldHint { display: none; }
.mnt-hint { font-size: .74rem; color: var(--mnt-text3); }

.mnt-input, .mnt-select {
	width: 100%;
	background: var(--mnt-bg);
	border: 1px solid var(--mnt-border2);
	border-radius: var(--mnt-r);
	color: var(--mnt-text);
	padding: 10px 13px;
	font-size: .92rem;
	transition: border-color .2s, box-shadow .2s;
	appearance: none;
	-webkit-appearance: none;
}
.mnt-input:focus, .mnt-select:focus {
	outline: none;
	border-color: var(--mnt-accent);
	box-shadow: 0 0 0 3px var(--mnt-accent-dim);
}
.mnt-select {
	background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%23a2abb3' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
	background-repeat: no-repeat;
	background-position: left 12px center;
	padding-left: 34px;
}
.mnt-root[dir="rtl"] .mnt-select { background-position: left 12px center; padding-left: 34px; padding-right: 13px; }
.mnt-select option { background: var(--mnt-panel2); }

.mnt-range { display: flex; align-items: center; gap: 10px; }
.mnt-range input[type=range] {
	flex: 1; height: 4px; border-radius: 4px; background: var(--mnt-panel3);
	accent-color: var(--mnt-accent); cursor: pointer;
}
.mnt-range .mnt-rangeVal {
	min-width: 46px; text-align: center; font-size: .8rem; font-weight: 700;
	color: var(--mnt-accent-l); background: var(--mnt-accent-dim); border-radius: var(--mnt-r); padding: 3px 8px;
}

/* ---------- Buttons ---------- */

.mnt-btn {
	display: inline-flex; align-items: center; justify-content: center; gap: 8px;
	width: 100%;
	padding: 12px 22px;
	background: linear-gradient(135deg, var(--mnt-accent-l), var(--mnt-accent));
	color: #17110a;
	font-weight: 700; font-size: .94rem;
	border: none; border-radius: var(--mnt-r);
	cursor: pointer;
	transition: transform .15s var(--mnt-ease), box-shadow .15s var(--mnt-ease);
}
.mnt-btn:hover { transform: translateY(-1px); box-shadow: 0 8px 22px rgba(201,138,78,.28); }
.mnt-btn:active { transform: translateY(0); }

.mnt-btn2 {
	display: inline-flex; align-items: center; justify-content: center; gap: 6px;
	padding: 10px 18px;
	background: transparent;
	color: var(--mnt-text2);
	font-size: .86rem; font-weight: 600;
	border: 1px solid var(--mnt-border2); border-radius: var(--mnt-r);
	cursor: pointer;
	transition: .2s var(--mnt-ease);
}
.mnt-btn2:hover { border-color: var(--mnt-accent-line); color: var(--mnt-accent-l); }

.mnt-btnRow { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 4px; }
.mnt-btnRow .mnt-btn { flex: 2 1 220px; }
.mnt-btnRow .mnt-btn2 { flex: 1 1 120px; }

/* ---------- KPI grid ---------- */

.mnt-kpiGrid { display: grid; grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); gap: 12px; margin-bottom: 16px; }
.mnt-kpi {
	background: var(--mnt-panel2);
	border: 1px solid var(--mnt-border);
	border-radius: var(--mnt-r);
	padding: 16px 16px 18px;
	position: relative; overflow: hidden;
	transition: transform .2s var(--mnt-ease), border-color .2s var(--mnt-ease), box-shadow .2s var(--mnt-ease);
	animation: mnt-kpiIn .35s var(--mnt-ease) both;
}
.mnt-kpi:hover { transform: translateY(-3px); border-color: var(--mnt-kpi-c, var(--mnt-accent-line)); box-shadow: 0 10px 24px rgba(0,0,0,.3); }
.mnt-kpi::before { content:''; position:absolute; inset-inline-start:0; top:0; bottom:0; width:3px; background: var(--mnt-kpi-c, var(--mnt-accent)); }
@keyframes mnt-kpiIn { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: translateY(0); } }
@media (prefers-reduced-motion: reduce) { .mnt-kpi { animation: none; } }
.mnt-kpi-label { font-size: .72rem; color: var(--mnt-text3); text-transform: uppercase; letter-spacing: .04em; margin-bottom: 8px; }
.mnt-kpi-val { font-size: 1.5rem; font-weight: 700; line-height: 1.1; color: var(--mnt-text); }
.mnt-kpi-unit { font-size: .74rem; color: var(--mnt-text3); margin-top: 5px; }
.mnt-kpi-bar { height: 4px; border-radius: 4px; background: var(--mnt-panel3); margin-top: 10px; overflow: hidden; }
.mnt-kpi-fill { height: 100%; border-radius: 4px; background: var(--mnt-kpi-c, var(--mnt-accent)); transition: width .8s var(--mnt-ease); }

/* ---------- Alerts ---------- */

.mnt-alert {
	display: flex; gap: 12px; align-items: flex-start;
	border-radius: var(--mnt-r);
	padding: 14px 16px;
	margin-bottom: 10px;
	font-size: .87rem; line-height: 1.75;
	border-inline-start: 3px solid;
}
.mnt-alert:last-child { margin-bottom: 0; }
.mnt-alert svg { flex-shrink: 0; margin-top: 2px; }
.mnt-alert b { display: block; margin-bottom: 3px; font-weight: 700; }
.mnt-alert.-info  { background: var(--mnt-info-dim);  border-color: var(--mnt-info);  color: #bcd9ff; }
.mnt-alert.-ok    { background: var(--mnt-good-dim);  border-color: var(--mnt-good);  color: #b6f0d1; }
.mnt-alert.-warn  { background: var(--mnt-warn-dim);  border-color: var(--mnt-warn);  color: #f5dca4; }
.mnt-alert.-bad   { background: var(--mnt-bad-dim);   border-color: var(--mnt-bad);   color: #f8c3bf; }
.mnt-alert.-gold  { background: var(--mnt-accent-dim);border-color: var(--mnt-accent);color: var(--mnt-accent-l); }

/* ---------- Tables ---------- */

.mnt-tblWrap { overflow-x: auto; border: 1px solid var(--mnt-border); border-radius: var(--mnt-r); margin: 14px 0; }
.mnt-tbl { width: 100%; border-collapse: collapse; font-size: .86rem; min-width: 420px; }
.mnt-tbl th {
	background: var(--mnt-panel2); color: var(--mnt-accent-l); font-weight: 700;
	padding: 11px 14px; text-align: inherit; border-bottom: 1px solid var(--mnt-border2); white-space: nowrap;
}
.mnt-tbl td { padding: 10px 14px; color: var(--mnt-text2); border-bottom: 1px solid var(--mnt-border); vertical-align: top; }
.mnt-tbl tr:last-child td { border-bottom: none; }
.mnt-tbl tr:hover td { background: rgba(255,255,255,.02); }
.mnt-tbl td.-hl { color: var(--mnt-accent-l); font-weight: 700; }
.mnt-tbl td.-g  { color: var(--mnt-good); font-weight: 700; }
.mnt-tbl td.-r  { color: var(--mnt-bad); font-weight: 700; }

/* ---------- Tags / badges ---------- */

.mnt-tag { display: inline-block; padding: 3px 11px; border-radius: var(--mnt-r); font-size: .72rem; font-weight: 700; }
.mnt-tag.-g { background: var(--mnt-good-dim); color: var(--mnt-good); }
.mnt-tag.-r { background: var(--mnt-bad-dim); color: var(--mnt-bad); }
.mnt-tag.-y { background: var(--mnt-warn-dim); color: var(--mnt-warn); }
.mnt-tag.-b { background: var(--mnt-info-dim); color: var(--mnt-info); }
.mnt-tag.-c { background: var(--mnt-accent-dim); color: var(--mnt-accent-l); }

/* ---------- Lists ---------- */

.mnt-list { list-style: none; }
.mnt-list li { position: relative; padding-inline-start: 20px; margin-bottom: 9px; color: var(--mnt-text2); font-size: .9rem; }
.mnt-list li:last-child { margin-bottom: 0; }
.mnt-list li::before { content:''; position:absolute; inset-inline-start:0; top:9px; width:6px; height:6px; background: var(--mnt-accent); border-radius: 2px; transform: rotate(45deg); }
.mnt-list li strong { color: var(--mnt-text); }

.mnt-checklist { list-style: none; }
.mnt-checklist li { display: flex; gap: 10px; padding: 8px 0; border-bottom: 1px solid var(--mnt-border); font-size: .87rem; color: var(--mnt-text2); }
.mnt-checklist li:last-child { border-bottom: none; }
.mnt-chk { width: 18px; height: 18px; flex-shrink: 0; border-radius: var(--mnt-r); display: flex; align-items: center; justify-content: center; margin-top: 1px; }
.mnt-chk.-ok   { background: var(--mnt-good-dim); color: var(--mnt-good); }
.mnt-chk.-warn { background: var(--mnt-warn-dim); color: var(--mnt-warn); }
.mnt-chk.-bad  { background: var(--mnt-bad-dim);  color: var(--mnt-bad); }

.mnt-steps { list-style: none; counter-reset: mnt-step; }
.mnt-steps > li { counter-increment: mnt-step; display: flex; gap: 14px; padding: 12px 0; border-bottom: 1px solid var(--mnt-border); }
.mnt-steps > li:last-child { border-bottom: none; }
.mnt-steps > li::before {
	content: counter(mnt-step);
	flex-shrink: 0; width: 30px; height: 30px; border-radius: 50%;
	background: var(--mnt-accent-dim); border: 1px solid var(--mnt-accent-line); color: var(--mnt-accent-l);
	display: flex; align-items: center; justify-content: center; font-size: .78rem; font-weight: 700;
}

/* ---------- Formula box ---------- */

.mnt-formula {
	background: var(--mnt-bg);
	border: 1px solid var(--mnt-border);
	border-inline-start: 3px solid var(--mnt-accent);
	border-radius: var(--mnt-r);
	padding: 14px 18px;
	margin: 12px 0;
	font-family: var(--mnt-mono);
	font-size: .86rem;
	color: var(--mnt-accent-l);
	direction: ltr;
	text-align: left;
	line-height: 1.9;
	white-space: pre-wrap;
}
.mnt-formula-label { font-family: var(--mnt-font); font-size: .78rem; color: var(--mnt-text3); margin-bottom: 4px; }

/* ---------- Accordion ---------- */

.mnt-accordion { border: 1px solid var(--mnt-border); border-radius: var(--mnt-r); margin-bottom: 8px; overflow: hidden; }
.mnt-accHead {
	display: flex; align-items: center; justify-content: space-between; gap: 12px;
	padding: 14px 16px; cursor: pointer; background: var(--mnt-panel2); user-select: none;
}
.mnt-accHead:hover { background: var(--mnt-panel3); }
.mnt-accHead h4 { margin: 0; font-size: .92rem; display: flex; align-items: center; gap: 8px; color: var(--mnt-text); }
.mnt-accToggle {
	width: 26px; height: 26px; border-radius: 50%; border: 1px solid var(--mnt-border2);
	background: var(--mnt-bg); color: var(--mnt-text3);
	display: flex; align-items: center; justify-content: center; flex-shrink: 0;
	transition: transform .3s var(--mnt-ease), color .2s, border-color .2s;
}
.mnt-accordion.is-open .mnt-accToggle { transform: rotate(180deg); color: var(--mnt-accent-l); border-color: var(--mnt-accent-line); }
.mnt-accBody { display: grid; grid-template-rows: 0fr; transition: grid-template-rows .35s var(--mnt-ease); background: var(--mnt-bg); }
.mnt-accordion.is-open .mnt-accBody { grid-template-rows: 1fr; }
.mnt-accInner { overflow: hidden; }
.mnt-accordion.is-open .mnt-accInner { padding: 18px 18px 20px; }

/* ---------- FAQ ---------- */

.mnt-faqItem { border: 1px solid var(--mnt-border); border-radius: var(--mnt-r); margin-bottom: 8px; overflow: hidden; }
.mnt-faqQ { padding: 14px 16px; cursor: pointer; display: flex; justify-content: space-between; gap: 12px; font-weight: 600; font-size: .9rem; background: var(--mnt-panel2); }
.mnt-faqItem.is-open .mnt-faqQ { color: var(--mnt-accent-l); }
.mnt-faqA { max-height: 0; overflow: hidden; transition: max-height .4s var(--mnt-ease); }
.mnt-faqItem.is-open .mnt-faqA { max-height: 1200px; }
.mnt-faqAInner { padding: 16px; background: var(--mnt-bg); border-top: 1px solid var(--mnt-border); font-size: .88rem; color: var(--mnt-text2); }

/* ---------- Result rows (structured multi-column) ---------- */

.mnt-resultArea { border: 1px solid var(--mnt-border); border-radius: var(--mnt-r); overflow: hidden; margin-top: 14px; }
.mnt-resultRow { display: grid; grid-template-columns: 1.6fr 1.2fr 1fr 2fr; gap: 12px; padding: 12px 16px; border-bottom: 1px solid var(--mnt-border); font-size: .86rem; align-items: center; }
.mnt-resultRow:last-child { border-bottom: none; }
.mnt-resultRow.-head { background: var(--mnt-panel2); font-weight: 700; font-size: .74rem; color: var(--mnt-text3); text-transform: uppercase; letter-spacing: .04em; }
.mnt-resultRow .mnt-rLabel { font-weight: 700; color: var(--mnt-text); }
.mnt-resultRow .mnt-rCalc { font-size: .74rem; color: var(--mnt-text3); margin-bottom: 2px; }
.mnt-resultRow .mnt-rStd { font-weight: 700; color: var(--mnt-accent-l); }
.mnt-resultRow .mnt-rDesc { color: var(--mnt-text3); font-size: .8rem; }
@media (max-width: 720px) { .mnt-resultRow { grid-template-columns: 1fr 1fr; } .mnt-resultRow.-head { display: none; } .mnt-resultRow .mnt-rDesc { grid-column: 1/-1; } }

/* ---------- Distribution tree ---------- */

.mnt-tree { background: var(--mnt-bg); border: 1px solid var(--mnt-border); border-radius: var(--mnt-r); padding: 16px; margin-top: 14px; }
.mnt-treeNode { background: var(--mnt-panel2); border: 1px solid var(--mnt-border2); border-radius: var(--mnt-r); padding: 10px 14px; margin-bottom: 8px; }
.mnt-treeNode.-main { border-color: var(--mnt-accent-line); background: var(--mnt-accent-dim); }
.mnt-treeNode.-sub { border-inline-start: 3px solid var(--mnt-info); margin-inline-start: 18px; }
.mnt-treeNode .mnt-nodeTitle { font-weight: 700; font-size: .87rem; margin-bottom: 3px; color: var(--mnt-text); }
.mnt-treeNode.-main .mnt-nodeTitle { color: var(--mnt-accent-l); }
.mnt-treeNode p { font-size: .8rem; margin: 0; }

/* ---------- Safety / brand mini-cards ---------- */

.mnt-mini {
	background: var(--mnt-bg); border: 1px solid var(--mnt-border); border-radius: var(--mnt-r);
	padding: 16px; transition: border-color .2s, transform .2s;
}
.mnt-mini:hover { border-color: var(--mnt-accent-line); transform: translateY(-2px); }
.mnt-mini .mnt-cardIco { margin-bottom: 10px; }
.mnt-mini h5 { font-size: .88rem; color: var(--mnt-text); margin: 0 0 6px; }
.mnt-mini p { font-size: .8rem; color: var(--mnt-text3); margin: 0; }

/* ---------- Search + category chips (FAQ) ---------- */

.mnt-search { position: relative; margin-bottom: 14px; }
.mnt-search svg { position: absolute; inset-inline-start: 14px; top: 50%; transform: translateY(-50%); color: var(--mnt-text3); }
.mnt-search input { width: 100%; padding: 11px 14px 11px 40px; }
.mnt-root[dir="rtl"] .mnt-search input { padding: 11px 40px 11px 14px; }

.mnt-chips { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 18px; }
.mnt-chip {
	padding: 7px 14px; background: var(--mnt-panel2); border: 1px solid var(--mnt-border2);
	border-radius: var(--mnt-r); font-size: .8rem; font-weight: 600; color: var(--mnt-text3); cursor: pointer; transition: .2s;
}
.mnt-chip:hover { color: var(--mnt-text); }
.mnt-chip.is-on { background: var(--mnt-accent); color: #171008; border-color: var(--mnt-accent); }

/* ---------- Charts ---------- */

.mnt-chartCard { background: var(--mnt-bg); border: 1px solid var(--mnt-border); border-radius: var(--mnt-r); padding: 16px; margin-bottom: 14px; }
.mnt-chartCard h4 { font-size: .85rem; color: var(--mnt-text2); margin: 0 0 12px; }
.mnt-chartWrap { position: relative; height: 240px; }

/* ---------- Divider ---------- */

.mnt-hr { height: 1px; background: var(--mnt-border); margin: 20px 0; border: none; }

/* ---------- Utility ---------- */

.mnt-hidden { display: none !important; }
.mnt-muted { color: var(--mnt-text3); font-size: .8rem; }
.mnt-center { text-align: center; }

/* ---------- Loading skeleton for lazy-loaded panels ---------- */

.mnt-lazyPlaceholder {
	height: 220px;
	border-radius: var(--mnt-r);
	background: linear-gradient(100deg, var(--mnt-panel) 30%, var(--mnt-panel2) 50%, var(--mnt-panel) 70%);
	background-size: 200% 100%;
	animation: mnt-shimmer 1.4s infinite;
}
@keyframes mnt-shimmer { from { background-position: 200% 0; } to { background-position: -200% 0; } }

/* ---------- Print ---------- */

@media print {
	.mnt-nav, .mnt-btnRow { display: none !important; }
	.mnt-panel { display: block !important; }
}