.uvl-engineering-calculator-page { padding-bottom: 70px; }
.uvl-calc-hero { margin: 12px 0 28px; }
.uvl-calc-kicker { display: inline-flex; padding: 7px 12px; border-radius: 999px; background: #edf6ff; color: #1260a8; font-size: 12px; font-weight: 700; letter-spacing: .04em; text-transform: uppercase; margin-bottom: 14px; }
.uvl-calc-lead { max-width: 920px; margin: 10px 0 0; font-size: 17px; line-height: 1.65; color: #596474; }
.uvl-calc { --calc-border: #dfe5ec; --calc-muted: #697586; --calc-blue: #1260a8; --calc-bg: #f7f9fb; color: #202936; }
.uvl-calc button, .uvl-calc input, .uvl-calc select { font: inherit; }
.uvl-calc-media-tabs { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; margin-bottom: 18px; }
.uvl-calc-media-tab { appearance: none; border: 1px solid var(--calc-border); background: #fff; border-radius: 16px; padding: 18px; text-align: left; display: flex; align-items: center; gap: 13px; cursor: pointer; transition: .18s ease; }
.uvl-calc-media-tab:hover { border-color: #aebdcb; box-shadow: 0 8px 24px rgba(22,47,74,.07); }
.uvl-calc-media-tab.is-active { border-color: var(--calc-blue); box-shadow: inset 0 0 0 1px var(--calc-blue); background: #f7fbff; }
.uvl-calc-media-tab strong, .uvl-calc-media-tab small { display: block; }
.uvl-calc-media-tab strong { font-size: 16px; margin-bottom: 3px; }
.uvl-calc-media-tab small { color: var(--calc-muted); font-size: 12px; }
.uvl-calc-media-icon { width: 42px; height: 42px; border-radius: 12px; display: grid; place-items: center; background: #edf3f8; font-size: 12px; font-weight: 800; color: var(--calc-blue); flex: 0 0 auto; }
.uvl-calc-media-tab.is-active .uvl-calc-media-icon { background: var(--calc-blue); color: #fff; }
.uvl-calc-layout { display: grid; grid-template-columns: minmax(0, 1.45fr) minmax(350px, .8fr); gap: 18px; align-items: start; }
.uvl-calc-panel { border: 1px solid var(--calc-border); border-radius: 18px; background: #fff; }
.uvl-calc-panel--form { padding: 28px; }
.uvl-calc-panel--result { padding: 22px; position: sticky; top: 18px; }
.uvl-calc-section h2 { margin: 0 0 7px; font-size: 24px; line-height: 1.3; }
.uvl-calc-section-note { margin: 0 0 24px; color: var(--calc-muted); line-height: 1.6; max-width: 760px; }

.uvl-calc-info { margin: 0 0 22px; padding: 14px 15px; border: 1px solid #cfe0ef; border-radius: 12px; background: #f4f9fd; color: #3f5061; font-size: 12px; line-height: 1.55; }
.uvl-calc-info strong { display: block; margin-bottom: 5px; color: #24435f; font-size: 13px; }
.uvl-calc-info span { display: block; }
.uvl-calc-field-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 17px; }
.uvl-calc-field { display: block; }
.uvl-calc-field--wide { grid-column: 1 / -1; }
.uvl-calc-label { display: flex !important; align-items: center; gap: 6px; font-weight: 650; font-size: 13px; margin-bottom: 7px; color: #303b49; }
.uvl-calc-field input, .uvl-calc-field select { width: 100%; box-sizing: border-box; min-height: 48px; border: 1px solid #cfd7df; border-radius: 10px; background: #fff; padding: 10px 12px; color: #202936; outline: none; }
.uvl-calc-field input:focus, .uvl-calc-field select:focus { border-color: var(--calc-blue); box-shadow: 0 0 0 3px rgba(18,96,168,.09); }

.uvl-calc-help { position: relative; display: inline-grid; place-items: center; width: 18px; height: 18px; border-radius: 50%; background: #eef3f8; color: #5c6c7d; font-size: 11px; font-weight: 800; cursor: help; flex: 0 0 auto; outline: none; }
.uvl-calc-help::after { content: attr(data-tooltip); position: absolute; z-index: 50; left: 50%; bottom: calc(100% + 9px); width: min(300px, 75vw); padding: 10px 12px; border-radius: 10px; background: #263442; color: #fff; font-size: 11px; font-weight: 400; line-height: 1.45; box-shadow: 0 10px 30px rgba(15,31,48,.18); opacity: 0; pointer-events: none; transform: translate(-50%, 5px); transition: .15s ease; }
.uvl-calc-help::before { content: ""; position: absolute; z-index: 51; left: 50%; bottom: calc(100% + 3px); border: 6px solid transparent; border-top-color: #263442; opacity: 0; transform: translateX(-50%); transition: .15s ease; }
.uvl-calc-help:hover::after, .uvl-calc-help:focus::after, .uvl-calc-help:hover::before, .uvl-calc-help:focus::before { opacity: 1; transform: translate(-50%, 0); }
.uvl-calc-help:hover::before, .uvl-calc-help:focus::before { transform: translateX(-50%); }

.uvl-calc-result-head { display: flex; align-items: center; justify-content: space-between; padding-bottom: 14px; border-bottom: 1px solid var(--calc-border); margin-bottom: 6px; }
.uvl-calc-result-head > span { font-size: 18px; font-weight: 750; }
.uvl-calc-reset { border: 0; background: none; color: var(--calc-blue); padding: 5px; cursor: pointer; font-size: 12px; }
.uvl-calc-result-row { display: flex; align-items: flex-start; justify-content: space-between; gap: 18px; padding: 12px 0; border-bottom: 1px solid #edf0f3; font-size: 13px; }
.uvl-calc-result-row span { color: var(--calc-muted); }
.uvl-calc-result-row strong { text-align: right; font-size: 14px; }
.uvl-calc-result-row.is-accent { margin: 8px -10px 0; padding: 15px 10px; border: 0; border-radius: 12px; background: #eef7ff; }
.uvl-calc-result-row.is-accent strong { color: var(--calc-blue); font-size: 18px; }
.uvl-calc-surplus-inline { color: #1c7a4b !important; font-weight: 800; }
.uvl-calc-details { margin-top: 18px; border-top: 1px solid var(--calc-border); padding-top: 14px; }
.uvl-calc-details summary { cursor: pointer; font-weight: 700; font-size: 13px; color: #3c4b5b; }
#uvl-calc-formula { margin-top: 12px; }
.uvl-calc-formula-row { display: flex; justify-content: space-between; gap: 14px; font-size: 11px; padding: 6px 0; color: var(--calc-muted); }
.uvl-calc-formula-row b { color: #394554; text-align: right; font-weight: 650; }
.uvl-calc-warnings { margin-top: 16px; display: grid; gap: 8px; }
.uvl-calc-warning { font-size: 11px; line-height: 1.5; padding: 10px 11px; border-radius: 10px; background: #fff8e8; border: 1px solid #f1dfaa; color: #66501f; }
.uvl-calc-warning.is-danger { background: #fff0f0; border-color: #efc1c1; color: #8b2e2e; }
.uvl-calc-norms { margin-top: 22px; padding: 26px; border-radius: 18px; background: var(--calc-bg); border: 1px solid var(--calc-border); }
.uvl-calc-norms h2 { font-size: 20px; margin: 0 0 18px; }
.uvl-calc-norms-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; }
.uvl-calc-norms-grid > div { padding: 16px; border-radius: 12px; background: #fff; border: 1px solid #e5e9ee; }
.uvl-calc-norms-grid strong { display: block; margin-bottom: 6px; }
.uvl-calc-norms-grid p { margin: 0; font-size: 12px; color: var(--calc-muted); line-height: 1.55; }
.uvl-calc-disclaimer { margin: 18px 0 0; font-size: 12px; line-height: 1.6; color: #566272; }
[hidden] { display: none !important; }

.uvl-calc-equipment-block { margin-top: 18px; padding-top: 16px; border-top: 1px solid var(--calc-border); }
.uvl-calc-equipment-title { font-size: 14px; font-weight: 750; margin-bottom: 10px; }
#uvl-calc-equipment { display: grid; gap: 10px; }
.uvl-calc-equipment-card { border: 1px solid #dfe6ed; border-radius: 13px; padding: 13px; background: #fff; }
.uvl-calc-equipment-card:first-child { border-color: #9cc4e9; background: #f8fcff; box-shadow: inset 0 0 0 1px rgba(18,96,168,.05); }
.uvl-calc-equipment-card-top { display: flex; align-items: center; justify-content: space-between; gap: 10px; margin-bottom: 8px; }
.uvl-calc-equipment-badge { display: inline-flex; align-items: center; min-height: 22px; padding: 3px 8px; border-radius: 999px; background: #eaf5ff; color: #1260a8; font-size: 10px; font-weight: 800; text-transform: uppercase; letter-spacing: .03em; }
.uvl-calc-equipment-badge.is-alt { background: #f1f3f5; color: #66717e; }
.uvl-calc-equipment-qty { font-size: 16px; color: #1f2d3b; }
.uvl-calc-equipment-name { display: inline-block; color: #1260a8; font-size: 14px; line-height: 1.35; font-weight: 750; text-decoration: none; }
a.uvl-calc-equipment-name:hover { text-decoration: underline; }
.uvl-calc-equipment-surplus { margin-top: 9px; padding: 8px 10px; border-radius: 9px; background: #eef9f3; color: #2d6147; font-size: 11px; line-height: 1.35; }
.uvl-calc-equipment-surplus strong { color: #157247; font-size: 13px; }
.uvl-calc-equipment-surplus span { color: #64776c; }
.uvl-calc-equipment-meta { margin-top: 7px; font-size: 11px; line-height: 1.45; color: #697586; }
.uvl-calc-equipment-note { margin-top: 7px; font-size: 11px; line-height: 1.45; color: #44515f; }
.uvl-calc-equipment-empty { padding: 12px; border-radius: 10px; background: #f5f7f9; color: #687483; font-size: 11px; line-height: 1.5; }
.uvl-calc-model-inline { display: inline-block; max-width: 240px; line-height: 1.25; }

@media (max-width: 980px) {
  .uvl-calc-media-tabs { grid-template-columns: repeat(2, 1fr); }
  .uvl-calc-layout { grid-template-columns: 1fr; }
  .uvl-calc-panel--result { position: static; }
}
@media (max-width: 680px) {
  .uvl-calc-media-tabs { grid-template-columns: 1fr; }
  .uvl-calc-field-grid, .uvl-calc-norms-grid { grid-template-columns: 1fr; }
  .uvl-calc-field--wide { grid-column: auto; }
  .uvl-calc-panel--form, .uvl-calc-panel--result, .uvl-calc-norms { padding: 18px; border-radius: 14px; }
  .uvl-calc-formula-row, .uvl-calc-result-row { gap: 10px; }
  .uvl-calc-help::after { left: auto; right: -20px; transform: translate(0, 5px); }
  .uvl-calc-help:hover::after, .uvl-calc-help:focus::after { transform: translate(0, 0); }
}

/* Quartz 2.3 */
.uvl-calc-time-inline { color: #1260a8 !important; font-weight: 800; }