/* =============================================================================
   Welder Guru Pro — tools.css
   Quiz, calculators, prioritizer, setup generator, visualizer, PPE, planner,
   maintenance, welder DB, comparison drawer, mobile sticky CTA, FAQ, etc.
   ============================================================================= */

/* Shared tool layout */
.wgp-tool { padding: 60px 0; }
.wgp-tool__form { background: var(--wgp-surface); border: 1px solid var(--wgp-line); border-radius: var(--wgp-radius-lg); padding: 22px; max-width: 980px; margin: 0 auto; box-shadow: var(--wgp-shadow); }
.wgp-tool__grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 14px; margin-bottom: 18px; }
.wgp-tool__form label, .wgp-tool__big-select { display: grid; gap: 6px; font-size: 13px; color: var(--wgp-muted); }
.wgp-tool__form select, .wgp-tool__form input, .wgp-tool__form textarea {
	padding: 12px 14px; border-radius: 10px; border: 1px solid var(--wgp-line-2);
	background: var(--wgp-bg); color: var(--wgp-text); font: inherit;
}
.wgp-tool__form select:focus, .wgp-tool__form input:focus { outline: 2px solid var(--wgp-arc); }
.wgp-tool__big-select { max-width: 480px; margin: 0 auto 18px; font-size: 14px; }
.wgp-tool__result { margin-top: 22px; padding: 22px; background: var(--wgp-surface-2); border: 1px solid var(--wgp-line-2); border-radius: var(--wgp-radius); max-width: 980px; margin-left: auto; margin-right: auto; box-shadow: var(--wgp-shadow-arc); }
.wgp-tool__result h3 { color: var(--wgp-text); margin: 0 0 8px; }
.wgp-tool__result h4 { margin: 16px 0 6px; font-size: 14px; color: var(--wgp-arc); text-transform: uppercase; letter-spacing: .08em; }
.wgp-tool__result ul { padding-left: 18px; margin: 0 0 14px; color: #D8DBE0; }
.wgp-tool__result .wgp-chip { margin-right: 6px; }
.wgp-tool__result .wgp-result-row { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; margin: 8px 0; }
.wgp-result-warn { margin: 14px 0; padding: 14px 16px; background: rgba(245,197,24,0.08); border: 1px solid rgba(245,197,24,0.3); border-radius: 12px; color: #FFE9A8; }
.wgp-result-warn strong { color: #FFF7D1; }
.wgp-result-warn ul { margin: 8px 0 0; padding-left: 18px; }

/* ------- Quiz ------- */
.wgp-quiz { padding: 60px 0; }
.wgp-quiz__card { background: var(--wgp-surface); border: 1px solid var(--wgp-line); border-radius: var(--wgp-radius-lg); padding: 26px; max-width: 820px; margin: 0 auto; box-shadow: var(--wgp-shadow); }
.wgp-quiz__progress { margin-bottom: 18px; }
.wgp-quiz__progress-bar { height: 6px; background: rgba(255,255,255,0.06); border-radius: 999px; overflow: hidden; position: relative; }
.wgp-quiz__progress-bar::after { content: ""; position: absolute; inset: 0; width: var(--p, 0%); background: linear-gradient(90deg, var(--wgp-arc), var(--wgp-accent)); transition: width .3s ease; border-radius: 999px; box-shadow: 0 0 12px var(--wgp-arc-glow); }
.wgp-quiz__progress-text { margin: 8px 0 0; font-family: var(--wgp-font-mono); font-size: 12px; color: var(--wgp-muted); }
.wgp-quiz__step { display: none; border: 0; padding: 0; margin: 0; }
.wgp-quiz__step.is-active { display: block; }
.wgp-quiz__step legend { font-family: var(--wgp-font-display); font-size: 20px; font-weight: 700; color: var(--wgp-text); margin-bottom: 14px; padding: 0; }
.wgp-quiz__opt { display: flex; align-items: center; gap: 10px; padding: 12px 14px; background: rgba(255,255,255,0.03); border: 1px solid var(--wgp-line); border-radius: 10px; cursor: pointer; margin-bottom: 8px; transition: background .15s, border-color .15s; }
.wgp-quiz__opt:hover { background: rgba(63,169,255,0.06); border-color: rgba(63,169,255,0.3); }
.wgp-quiz__opt input { accent-color: var(--wgp-arc); }
.wgp-quiz__opt input:checked + span { color: var(--wgp-text); font-weight: 600; }
.wgp-quiz__opt span { color: var(--wgp-muted); }
.wgp-quiz__nav { display: flex; gap: 10px; justify-content: space-between; margin-top: 18px; }
.wgp-quiz__nav .wgp-btn--accent { margin-left: auto; }
.wgp-quiz__feedback { min-height: 1.2em; margin: 12px 0 0; font-size: 13px; color: var(--wgp-muted); }
.wgp-quiz__feedback.is-error { color: var(--wgp-warn); font-weight: 600; }

/* Form-level aria-live feedback for calculators + invalid field outline */
.wgp-tool__feedback { min-height: 1.2em; margin: 8px 0 0; font-size: 13px; color: var(--wgp-muted); }
.wgp-tool__feedback.is-error { color: var(--wgp-warn); font-weight: 600; }
.wgp-tool__form .wgp-invalid { outline: 2px solid var(--wgp-warn); outline-offset: 2px; }
.wgp-quiz__result { margin-top: 22px; padding: 22px; background: var(--wgp-surface-2); border: 1px solid var(--wgp-arc); border-radius: var(--wgp-radius); box-shadow: var(--wgp-shadow-arc); }
.wgp-quiz__result h3 { color: var(--wgp-text); }
.wgp-quiz__result .wgp-chip { margin-right: 6px; }
.wgp-quiz__result-actions { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 14px; }

/* ------- Process visualizer ------- */
.wgp-visualizer__hint { text-align: center; color: var(--wgp-muted); font-size: 12px; font-family: var(--wgp-font-mono); letter-spacing: .08em; text-transform: uppercase; margin: 14px 0 6px; }
.wgp-visualizer__tabs { display: flex; flex-wrap: wrap; gap: 6px; max-width: 820px; margin: 0 auto 18px; justify-content: center; }
.wgp-visualizer__tabs button { padding: 8px 14px; background: rgba(255,255,255,0.04); border: 1px solid var(--wgp-line-2); border-radius: 999px; color: var(--wgp-muted); cursor: pointer; font-weight: 600; font-size: 13px; transition: background .15s, color .15s, border-color .15s, transform .12s; }
.wgp-visualizer__tabs button:hover { background: rgba(63,169,255,0.08); color: var(--wgp-text); border-color: rgba(63,169,255,0.4); transform: translateY(-1px); }
.wgp-visualizer__tabs button.is-active { background: linear-gradient(135deg, var(--wgp-arc), #1985d8); color: #fff; border-color: var(--wgp-arc); box-shadow: 0 6px 16px var(--wgp-arc-glow); }
.wgp-visualizer__tabs button:focus-visible { outline: 2px solid var(--wgp-arc); outline-offset: 2px; }
/* Subtle pulse on the active tab once on first paint to advertise interactivity. */
@keyframes wgpTabPulse { 0% { box-shadow: 0 0 0 0 var(--wgp-arc-glow); } 70% { box-shadow: 0 0 0 8px transparent; } 100% { box-shadow: 0 0 0 0 transparent; } }
.wgp-visualizer__tabs button.is-active { animation: wgpTabPulse 2s ease-out 1 .4s; }
@media (prefers-reduced-motion: reduce) { .wgp-visualizer__tabs button.is-active { animation: none; } }
.wgp-visualizer__stage { background: var(--wgp-surface); border: 1px solid var(--wgp-line); border-radius: var(--wgp-radius-lg); padding: 24px; max-width: 980px; margin: 0 auto; }
.wgp-visualizer__panel { display: none; grid-template-columns: 1fr 1fr; gap: 28px; align-items: center; }
.wgp-visualizer__panel.is-active { display: grid; }
.wgp-visualizer__scene { position: relative; display: grid; gap: 8px; padding: 22px; background: #0B0D11; border: 1px solid var(--wgp-line); border-radius: var(--wgp-radius); min-height: 240px; font-family: var(--wgp-font-mono); font-size: 13px; color: var(--wgp-muted); }
.wgp-visualizer__torch { color: var(--wgp-accent); font-weight: 700; }
.wgp-visualizer__wire { color: #BFE0FF; }
.wgp-visualizer__arc { width: 80%; height: 4px; margin: 10px auto; background: linear-gradient(90deg, transparent, var(--wgp-arc), transparent); border-radius: 999px; box-shadow: 0 0 24px var(--wgp-arc-glow); animation: wgpArcGlow 1.5s ease-in-out infinite alternate; }
@keyframes wgpArcGlow { from { opacity: .4; } to { opacity: 1; } }
.wgp-visualizer__shield { padding: 6px 10px; background: rgba(63,169,255,0.08); border: 1px solid rgba(63,169,255,0.3); border-radius: 8px; color: #BFE0FF; }
.wgp-visualizer__shield--off { opacity: .4; }
.wgp-visualizer__plate { padding: 10px; background: rgba(255,255,255,0.04); border-radius: 8px; color: var(--wgp-text); }
.wgp-visualizer__desc h3 { color: var(--wgp-text); }
.wgp-visualizer__note { text-align: center; margin: 14px 0 0; color: var(--wgp-muted); font-size: 13px; }
@media (max-width: 760px) { .wgp-visualizer__panel.is-active { grid-template-columns: 1fr; } }

/* ------- PPE checklist ------- */
.wgp-ppe__card { background: var(--wgp-surface); border: 1px solid var(--wgp-line); border-radius: var(--wgp-radius-lg); padding: 24px; max-width: 720px; margin: 0 auto; }
.wgp-ppe__list { list-style: none; padding: 0; margin: 0; display: grid; gap: 8px; }
.wgp-ppe__list label { display: flex; gap: 10px; align-items: center; padding: 10px 14px; background: rgba(255,255,255,0.03); border: 1px solid var(--wgp-line); border-radius: 10px; cursor: pointer; }
.wgp-ppe__list input { accent-color: var(--wgp-arc); }
.wgp-ppe__list label:has(input:checked) { background: rgba(74,222,128,0.06); border-color: rgba(74,222,128,0.3); }
.wgp-ppe__actions { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 18px; }
.wgp-ppe__note { font-size: 12px; color: var(--wgp-muted); margin-top: 10px; }

/* ------- Workshop planner ------- */
.wgp-planner__grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 12px; max-width: 980px; margin: 0 auto 18px; }
.wgp-planner__zone { display: flex; gap: 10px; align-items: flex-start; padding: 14px 16px; background: var(--wgp-surface); border: 1px solid var(--wgp-line); border-radius: var(--wgp-radius); cursor: pointer; }
.wgp-planner__zone input { accent-color: var(--wgp-arc); margin-top: 3px; }
.wgp-planner__zone p { color: var(--wgp-muted); font-size: 12px; margin: 4px 0 0; }
.wgp-planner__zone:has(input:checked) { border-color: var(--wgp-arc); background: rgba(63,169,255,0.04); }
.wgp-planner__actions { display: flex; gap: 8px; flex-wrap: wrap; justify-content: center; }

/* ------- Maintenance tracker ------- */
.wgp-maintenance__card { background: var(--wgp-surface); border: 1px solid var(--wgp-line); border-radius: var(--wgp-radius-lg); padding: 22px; max-width: 980px; margin: 0 auto; overflow-x: auto; }
.wgp-maintenance__table { width: 100%; border-collapse: collapse; font-size: 14px; }
.wgp-maintenance__table th, .wgp-maintenance__table td { padding: 10px; text-align: left; border-bottom: 1px solid var(--wgp-line); }
.wgp-maintenance__table thead th { font-size: 12px; color: var(--wgp-muted); text-transform: uppercase; letter-spacing: .08em; }
.wgp-maintenance__table input[type="date"], .wgp-maintenance__table input[type="text"] { width: 100%; padding: 8px 10px; background: var(--wgp-bg); border: 1px solid var(--wgp-line-2); color: var(--wgp-text); border-radius: 6px; font: inherit; }
.wgp-maintenance__actions { display: flex; gap: 8px; margin-top: 14px; }
.wgp-maintenance__note { font-size: 12px; color: var(--wgp-muted); margin-top: 8px; }

/* ------- Welder database ------- */
.wgp-welder-db__filters { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 20px; max-width: 1080px; margin-left: auto; margin-right: auto; }
.wgp-welder-db__filters select { padding: 10px 14px; border-radius: 10px; border: 1px solid var(--wgp-line-2); background: var(--wgp-surface); color: var(--wgp-text); font: inherit; }
.wgp-welder-db__grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); gap: 16px; }

/* Mobile: turn the grid into a horizontal scroll-snap rail (swipeable cards). */
@media (max-width: 720px) {
	.wgp-welder-db__grid {
		display: flex;
		grid-template-columns: none;
		overflow-x: auto;
		overflow-y: visible;
		scroll-snap-type: x mandatory;
		scroll-padding-left: 16px;
		padding: 4px 16px 18px;
		margin: 0 -16px;
		gap: 12px;
		-webkit-overflow-scrolling: touch;
		scrollbar-width: thin;
		scrollbar-color: var(--wgp-arc) transparent;
	}
	.wgp-welder-db__grid::-webkit-scrollbar { height: 6px; }
	.wgp-welder-db__grid::-webkit-scrollbar-thumb { background: var(--wgp-arc); border-radius: 999px; }
	.wgp-welder-card {
		flex: 0 0 86%;
		min-width: 280px;
		scroll-snap-align: start;
	}
	/* Filters wrap nicely on mobile. */
	.wgp-welder-db__filters select { flex: 1 1 calc(50% - 5px); min-width: 0; }
	/* Hint that cards are swipeable. */
	.wgp-welder-db__grid::after {
		content: "";
		flex: 0 0 4px;
	}
}
.wgp-welder-card { background: var(--wgp-surface); border: 1px solid var(--wgp-line); border-radius: var(--wgp-radius-lg); padding: 22px; display: grid; gap: 12px; transition: transform .14s, border-color .2s; }
.wgp-welder-card:hover { transform: translateY(-2px); border-color: var(--wgp-arc); }
.wgp-welder-card__chips { display: flex; flex-wrap: wrap; gap: 6px; }
.wgp-welder-card__best { color: var(--wgp-muted); margin: 0; font-size: 14px; }
.wgp-welder-card__cols { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; font-size: 13px; }
.wgp-welder-card__cols h4 { margin: 0 0 4px; font-size: 11px; color: var(--wgp-arc); text-transform: uppercase; letter-spacing: .08em; }
.wgp-welder-card__cols ul { padding-left: 16px; margin: 0; color: #D8DBE0; }
.wgp-welder-card__safety { display: flex; gap: 6px; align-items: flex-start; padding: 10px 12px; background: rgba(245,197,24,0.06); border: 1px solid rgba(245,197,24,0.2); border-radius: 10px; color: #FFE9A8; font-size: 12px; margin: 0; }
.wgp-welder-card__safety .wgp-ico { width: 16px; height: 16px; color: var(--wgp-warn); flex-shrink: 0; }
.wgp-welder-card__foot { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; }
.wgp-welder-db__empty { text-align: center; color: var(--wgp-muted); padding: 40px 0; }

/* ------- Comparison drawer ------- */
.wgp-comparison { padding: 60px 0; }
.wgp-comparison__rail { background: var(--wgp-surface); border: 1px solid var(--wgp-line); border-radius: var(--wgp-radius-lg); padding: 18px; max-width: 1080px; margin: 0 auto; }
.wgp-comparison__empty { color: var(--wgp-muted); text-align: center; margin: 0; }
.wgp-comparison__slots { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 10px; }
.wgp-comparison__slot { padding: 12px; background: rgba(255,255,255,0.03); border: 1px solid var(--wgp-line); border-radius: 10px; }
.wgp-comparison__slot button { margin-top: 8px; padding: 6px 10px; background: rgba(255,90,90,0.1); color: #FFB3B3; border: 1px solid rgba(255,90,90,0.3); border-radius: 8px; font-size: 12px; cursor: pointer; }
.wgp-comparison__drawer { margin-top: 14px; padding: 18px; background: var(--wgp-surface-2); border: 1px solid var(--wgp-line-2); border-radius: var(--wgp-radius); }
.wgp-comparison__drawer header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 14px; }
.wgp-comparison__table-wrap { overflow-x: auto; }
.wgp-comparison__table { width: 100%; border-collapse: collapse; font-size: 13px; }
.wgp-comparison__table th, .wgp-comparison__table td { padding: 10px; text-align: left; border-bottom: 1px solid var(--wgp-line); vertical-align: top; }
.wgp-comparison__table thead th { background: rgba(255,255,255,0.02); color: var(--wgp-text); font-weight: 700; }
.wgp-comparison__table tbody th { color: var(--wgp-muted); font-weight: 600; width: 200px; }

/* ------- Mobile sticky CTA ------- */
.wgp-mobile-sticky { position: fixed; bottom: 12px; left: 12px; right: 12px; z-index: 60; display: none; padding: 10px 14px; background: rgba(15,17,21,0.92); backdrop-filter: blur(12px); border: 1px solid var(--wgp-line-2); border-radius: 14px; align-items: center; gap: 10px; box-shadow: 0 12px 28px rgba(0,0,0,0.4); }
.wgp-mobile-sticky strong { font-size: 13px; flex: 1; }
@media (max-width: 720px) { .wgp-mobile-sticky.is-on { display: flex; } body { padding-bottom: 64px; } }

/* ------- Tag-card grid (used on 404) ------- */
.wgp-tag-card { display: inline-flex; padding: 10px 14px; background: var(--wgp-surface); border: 1px solid var(--wgp-line); border-radius: 10px; color: var(--wgp-text); font-size: 14px; }
.wgp-tag-card:hover { border-color: var(--wgp-accent); }

/* ------- Block: quick answer + pros/cons + cta card ------- */
.wgp-quick-answer { background: rgba(63,169,255,0.06); border: 1px solid rgba(63,169,255,0.25); padding: 14px 18px; border-radius: var(--wgp-radius); margin: 22px 0; }
.wgp-proscons { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin: 22px 0; }
.wgp-proscons__col { background: var(--wgp-surface); border: 1px solid var(--wgp-line); padding: 14px 18px; border-radius: var(--wgp-radius); }
.wgp-proscons__col h4 { margin: 0 0 8px; font-size: 14px; }
.wgp-proscons__col.is-pros h4 { color: var(--wgp-success); }
.wgp-proscons__col.is-cons h4 { color: var(--wgp-danger); }
.wgp-proscons__col ul { padding-left: 18px; margin: 0; }
.wgp-cta-card { background: var(--wgp-surface); border: 1px solid var(--wgp-line); padding: 22px; border-radius: var(--wgp-radius-lg); text-align: center; margin: 22px 0; }
@media (max-width: 620px) { .wgp-proscons { grid-template-columns: 1fr; } }

/* Block: comparison-table block */
.wgp-block-cmp { margin: 22px 0; overflow-x: auto; }
.wgp-block-cmp__table { width: 100%; border-collapse: collapse; font-size: 14px; background: var(--wgp-surface); border: 1px solid var(--wgp-line); border-radius: var(--wgp-radius); overflow: hidden; }
.wgp-block-cmp__table th, .wgp-block-cmp__table td { padding: 12px; text-align: left; border-bottom: 1px solid var(--wgp-line); }
.wgp-block-cmp__table thead th { background: rgba(255,255,255,0.02); }
.wgp-block-cmp__disclosure { margin-top: 6px; font-size: 12px; color: var(--wgp-muted); }