/*!*************************************************************************************************************************************************************************************************************************************************************!*\
  !*** css ./node_modules/next/dist/build/webpack/loaders/css-loader/src/index.js??ruleSet[1].rules[14].oneOf[12].use[2]!./node_modules/next/dist/build/webpack/loaders/postcss-loader/src/index.js??ruleSet[1].rules[14].oneOf[12].use[3]!./app/globals.css ***!
  \*************************************************************************************************************************************************************************************************************************************************************/
/* Минимальный сброс — основные стили в v1.css */
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }

/* ============ Kalk option buttons (1% дельта от v1: pills вместо select) ============ */
.calc-opt-group {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.calc-opt-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  border: 1.5px solid var(--border);
  background: var(--bg-elev);
  color: var(--fg);
  font: inherit;
  font-size: 13px;
  font-weight: 500;
  border-radius: 6px;
  cursor: pointer;
  transition: border-color 0.12s, background 0.12s, color 0.12s;
}
.calc-opt-btn:hover {
  border-color: var(--fg-muted);
}
.calc-opt-btn:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}
.calc-opt-btn.active {
  border-color: var(--accent);
  background: var(--accent);
  color: var(--accent-fg);
}
.calc-opt-label { line-height: 1.2; }
.calc-opt-badge {
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 1px 5px;
  border-radius: 3px;
  background: var(--bg-subtle);
  color: var(--fg-muted);
  font-weight: 600;
}
.calc-opt-btn.active .calc-opt-badge {
  background: rgba(255, 255, 255, 0.22);
  color: var(--accent-fg);
}

/* ============ Price pulse on change ============ */
.calc-total {
  transition: transform 0.22s cubic-bezier(.3,.9,.3,1),
              color 0.22s ease,
              opacity 0.22s ease;
  transform-origin: left center;
  will-change: transform;
}
.calc-total.pulse {
  animation: calc-total-pulse 0.28s cubic-bezier(.3,.9,.3,1) both;
}
@keyframes calc-total-pulse {
  0%   { transform: scale(1);    color: var(--fg); }
  45%  { transform: scale(1.04); color: var(--primary, #1a6cf7); }
  100% { transform: scale(1);    color: var(--fg); }
}

/*!********************************************************************************************************************************************************************************************************************************************************!*\
  !*** css ./node_modules/next/dist/build/webpack/loaders/css-loader/src/index.js??ruleSet[1].rules[14].oneOf[12].use[2]!./node_modules/next/dist/build/webpack/loaders/postcss-loader/src/index.js??ruleSet[1].rules[14].oneOf[12].use[3]!./app/v1.css ***!
  \********************************************************************************************************************************************************************************************************************************************************/
/* V1 — Notion-like. Графит, серифный акцент, много воздуха. */
:root[data-theme="light"]{
  --bg: #fbfbfa;
  --bg-elev: #ffffff;
  --bg-subtle: #f5f4f1;
  --bg-hover: #ececea;
  --fg: #1a1a18;
  --fg-muted: #6b6b65;
  --fg-subtle: #9a9a92;
  --border: #e6e5e0;
  --border-strong: #d6d5d0;
  --accent: #2b2b2b;
  --accent-fg: #ffffff;
  --mark: #fff4a8;
  --code-bg: #f5f4f1;
  --code-fg: #1a1a18;
  --code-kw: #7a3e2e;
  --code-str: #2f5d3e;
  --code-num: #2e4a7a;
  --code-com: #9a9a92;
  --shadow: 0 1px 2px rgba(15,15,13,0.04), 0 4px 12px rgba(15,15,13,0.04);
  --shadow-lg: 0 2px 8px rgba(15,15,13,0.08), 0 16px 40px rgba(15,15,13,0.12);
}
:root[data-theme="dark"]{
  --bg: #191918;
  --bg-elev: #232322;
  --bg-subtle: #2a2a28;
  --bg-hover: #34342f;
  --fg: #ececea;
  --fg-muted: #a0a097;
  --fg-subtle: #6e6e68;
  --border: #34342f;
  --border-strong: #45453e;
  --accent: #ececea;
  --accent-fg: #191918;
  --mark: #6b5a1a;
  --code-bg: #232322;
  --code-fg: #ececea;
  --code-kw: #d89378;
  --code-str: #a4c8a0;
  --code-num: #9ab0d8;
  --code-com: #6e6e68;
  --shadow: 0 1px 2px rgba(0,0,0,0.3), 0 4px 12px rgba(0,0,0,0.2);
  --shadow-lg: 0 4px 20px rgba(0,0,0,0.4);
}

*{box-sizing:border-box}
html,body{margin:0;padding:0;overflow-x:clip}
body{
  font-family: ui-sans-serif, -apple-system, "Segoe UI", "Helvetica Neue", Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--fg);
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  text-wrap: pretty;
  overscroll-behavior-y: contain;
}
.serif{ font-family: ui-serif, "Iowan Old Style", "Charter", "Georgia", serif; }
.mono{ font-family: ui-monospace, "SF Mono", "JetBrains Mono", "Menlo", Consolas, monospace; }

/* Progress bar */
.progress{
  position: fixed; top:0; left:0; height:2px; background: var(--accent);
  z-index: 200; transition: width 0.1s linear;
}

/* Top bar */
.topbar{
  position: -webkit-sticky;
  position: sticky; top:0; z-index: 50;
  background: color-mix(in oklab, var(--bg) 85%, transparent);
  -webkit-backdrop-filter: blur(12px);
          backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.topbar-inner{
  max-width: 1280px; margin: 0 auto;
  padding: 12px 32px;
  display: flex; align-items: center; gap: 16px;
}
.brand{
  display: flex; align-items: center; gap: 10px;
  font-weight: 600; font-size: 15px; color: var(--fg);
  text-decoration: none;
}
.brand-mark{
  width: 26px; height: 26px; border-radius: 6px;
  background: var(--accent); color: var(--accent-fg);
  display: grid; place-items: center; font-weight: 700; font-size: 13px;
  font-family: ui-serif, Georgia, serif;
}
.crumbs{
  color: var(--fg-muted); font-size: 14px;
  display: flex; align-items: center; gap: 8px;
  overflow: hidden; flex: 1 1; min-width: 0;
}
.crumbs span.sep{ color: var(--fg-subtle); }
.crumbs span.cur{ color: var(--fg); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.topbar-actions{ display: flex; gap: 6px; }
.icon-btn{
  width: 34px; height: 34px; display: grid; place-items: center;
  border: 1px solid var(--border); background: transparent;
  color: var(--fg-muted); border-radius: 6px; cursor: pointer;
  transition: background 0.12s, color 0.12s;
}
.icon-btn:hover{ background: var(--bg-hover); color: var(--fg); }
.icon-btn svg{ width: 16px; height: 16px; }
.search-btn{
  display: flex; align-items: center; gap: 8px; padding: 0 10px;
  height: 34px; border: 1px solid var(--border); border-radius: 6px;
  background: var(--bg-elev); color: var(--fg-muted); font-size: 13px;
  cursor: pointer; min-width: 200px;
}
.search-btn:hover{ background: var(--bg-hover); }
.search-btn kbd{
  margin-left: auto; font-family: inherit; font-size: 11px;
  padding: 1px 5px; border: 1px solid var(--border); border-radius: 3px;
  background: var(--bg); color: var(--fg-subtle);
}

/* Phone button next to brand */
.phone-btn{
  position: relative;
}
.phone-btn::before{
  content: ''; position: absolute; top: 4px; right: 4px;
  width: 6px; height: 6px; border-radius: 50%;
  background: #2f7a4a;
  box-shadow: 0 0 0 2px var(--bg);
}

/* Contacts modal */
.contacts-modal{
  position: fixed; inset: 0; z-index: 110;
  background: rgba(0,0,0,0.5); -webkit-backdrop-filter: blur(6px); backdrop-filter: blur(6px);
  display: none; align-items: center; justify-content: center;
  padding: 24px;
}
.contacts-modal.open{ display: flex; animation: cm-fade .18s ease; }
@keyframes cm-fade{ from{opacity:0} to{opacity:1} }

.contacts-panel{
  width: min(96vw, 1040px);
  max-height: 92vh; overflow: hidden;
  background: var(--bg-elev); border: 1px solid var(--border);
  border-radius: 12px; box-shadow: var(--shadow-lg);
  display: flex; flex-direction: column;
}
.contacts-header{
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 20px; border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}
.contacts-title{
  display: flex; align-items: center; gap: 10px;
  font-family: ui-serif, Georgia, serif;
  font-size: 19px; font-weight: 600;
}
.contacts-title svg{ color: var(--fg-muted); }
.contacts-close{
  width: 32px; height: 32px; display: grid; place-items: center;
  background: transparent; border: 1px solid var(--border);
  border-radius: 6px; color: var(--fg-muted);
  cursor: pointer; transition: all 0.12s;
}
.contacts-close:hover{ background: var(--bg-hover); color: var(--fg); }

.contacts-body{
  display: grid; grid-template-columns: 1.15fr 1fr;
  overflow: hidden; flex: 1 1; min-height: 0;
}
.contacts-map{
  background: var(--bg-subtle);
  border-right: 1px solid var(--border);
  min-height: 420px;
}
.contacts-map iframe{
  width: 100%; height: 100%; border: 0; display: block;
}
.contacts-list{
  overflow-y: auto; padding: 16px;
  display: flex; flex-direction: column; gap: 14px;
}

.contact-card{
  background: var(--bg); border: 1px solid var(--border);
  border-radius: 10px; overflow: hidden;
}
.contact-card header{
  display: flex; align-items: center; gap: 10px;
  padding: 12px 14px; border-bottom: 1px solid var(--border);
  background: var(--bg-subtle);
}
.contact-num{
  width: 24px; height: 24px; flex-shrink: 0;
  display: grid; place-items: center;
  background: var(--accent); color: var(--accent-fg);
  border-radius: 50%; font-weight: 600; font-size: 12px;
  font-family: ui-serif, Georgia, serif;
}
.contact-card h3{
  margin: 0; font-family: ui-serif, Georgia, serif;
  font-size: 17px; font-weight: 600; flex: 1 1;
}
.contact-hint{
  font-size: 10.5px; text-transform: uppercase; letter-spacing: 0.08em;
  color: var(--fg-subtle); font-weight: 600;
}
.contact-card ul{
  list-style: none; margin: 0; padding: 6px 0;
}
.contact-card li{
  padding: 0;
}
.contact-card li a, .contact-card li.meta{
  display: flex; align-items: center; gap: 10px;
  padding: 8px 14px; color: var(--fg); text-decoration: none;
  font-size: 14px; line-height: 1.3;
  transition: background 0.12s;
  border-left: 2px solid transparent;
}
.contact-card li a:hover{
  background: var(--bg-subtle);
  border-left-color: var(--accent);
}
.contact-card li.meta{
  color: var(--fg-muted); font-size: 13px;
}
.contact-card .ci{
  font-size: 14px; width: 18px; display: inline-block; text-align: center;
  flex-shrink: 0;
}

@media (max-width: 820px){
  .contacts-body{ grid-template-columns: 1fr; grid-template-rows: 240px 1fr; }
  .contacts-map{ border-right: 0; border-bottom: 1px solid var(--border); min-height: 0; }
}

/* Auth modal */
.auth-modal{
  position: fixed; inset: 0; z-index: 120;
  background: rgba(0,0,0,0.55); -webkit-backdrop-filter: blur(6px); backdrop-filter: blur(6px);
  display: none; align-items: center; justify-content: center;
  padding: 24px;
}
.auth-modal.open{ display: flex; animation: cm-fade .18s ease; }
.auth-panel{
  width: min(94vw, 380px);
  background: var(--bg-elev); border: 1px solid var(--border);
  border-radius: 12px; box-shadow: var(--shadow-lg);
  overflow: hidden;
}
.auth-header{
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 18px; border-bottom: 1px solid var(--border);
}
.auth-title{
  display: flex; align-items: center; gap: 10px;
  font-family: ui-serif, Georgia, serif;
  font-size: 17px; font-weight: 600;
}
.auth-title svg{ color: var(--fg-muted); }
.auth-close{
  width: 30px; height: 30px; display: grid; place-items: center;
  background: transparent; border: 1px solid var(--border);
  border-radius: 6px; color: var(--fg-muted);
  cursor: pointer; transition: all 0.12s;
}
.auth-close:hover{ background: var(--bg-hover); color: var(--fg); }

.auth-form{
  padding: 18px; display: flex; flex-direction: column; gap: 12px;
}
.auth-field{ display: flex; flex-direction: column; gap: 6px; }
.auth-field label{
  font-size: 12px; color: var(--fg-muted); font-weight: 500;
  letter-spacing: 0.02em;
}
.auth-field input{
  background: var(--bg); border: 1px solid var(--border);
  border-radius: 6px; padding: 9px 11px;
  font: inherit; font-size: 14px; color: var(--fg);
  transition: border-color 0.12s, background 0.12s;
}
.auth-field input:focus{
  outline: none; border-color: var(--accent);
  background: var(--bg-elev);
}
.auth-error{
  background: #fdecea; color: #a23b2c;
  border: 1px solid #f4c7c0;
  padding: 8px 10px; border-radius: 6px;
  font-size: 13px;
}
[data-theme="dark"] .auth-error{
  background: rgba(220,80,60,0.12); color: #ffbbb3;
  border-color: rgba(220,80,60,0.4);
}
.auth-submit{
  background: var(--accent); color: var(--accent-fg);
  border: 0; padding: 10px 14px;
  border-radius: 6px; font: inherit; font-weight: 600;
  font-size: 14px; cursor: pointer;
  transition: opacity 0.12s, transform 0.06s;
}
.auth-submit:hover{ opacity: 0.92; }
.auth-submit:active{ transform: scale(0.99); }
.auth-hint{
  font-size: 11.5px; color: var(--fg-subtle); text-align: center;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
}

/* Layout */
.layout{
  max-width: 1280px; margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(0,1fr) 240px;
  grid-gap: 48px;
  gap: 48px;
  padding: 48px 32px 120px;
}

/* Content */
.page-title{
  font-family: ui-serif, Georgia, serif;
  font-size: 48px; line-height: 1.1; font-weight: 600;
  letter-spacing: -0.02em; margin: 0 0 12px;
}
.page-subtitle{
  color: var(--fg-muted); font-size: 17px; max-width: 640px;
  margin: 0 0 48px;
}

.section{ margin: 64px 0 0; scroll-margin-top: 80px; }
.section:first-of-type{ margin-top: 0; }
.section-header{
  display: flex; align-items: baseline; gap: 12px;
  margin-bottom: 6px; flex-wrap: wrap;
}
.section-eyebrow{
  font-size: 11px; text-transform: uppercase; letter-spacing: 0.08em;
  color: var(--fg-subtle); font-weight: 500;
}
.section h2{
  font-family: ui-serif, Georgia, serif;
  font-size: 32px; font-weight: 600; letter-spacing: -0.01em;
  margin: 2px 0 16px; line-height: 1.15;
  display: flex; align-items: center; gap: 10px;
}
.section h2 a.copy-link{
  opacity: 0; color: var(--fg-subtle); font-size: 18px; text-decoration: none;
  transition: opacity 0.15s; padding: 2px 6px; border-radius: 4px;
}
.section:hover h2 a.copy-link{ opacity: 1; }
.section h2 a.copy-link:hover{ background: var(--bg-hover); color: var(--fg); }
.section-desc{
  color: var(--fg); font-size: 15px; max-width: 720px;
  padding: 12px 16px; background: var(--bg-subtle);
  border-left: 3px solid var(--border-strong); border-radius: 0 4px 4px 0;
  margin: 0 0 20px;
}

/* Price groups — каждая в отдельной панели */
.groups-grid{
  display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  grid-gap: 14px;
  gap: 14px; margin: 16px 0 8px;
}
.groups-grid.is-single{
  grid-template-columns: 1fr;
}
.groups-grid.is-single .group-panel{ width: 100%; }
.group-panel{
  background: var(--bg-elev); border: 1px solid var(--border); border-radius: 8px;
  overflow: hidden; box-shadow: var(--shadow);
}
.group-panel-header{
  padding: 10px 16px; background: var(--bg-subtle); border-bottom: 1px solid var(--border);
  font-family: ui-monospace, monospace; font-size: 11px; font-weight: 600;
  letter-spacing: 0.08em; text-transform: uppercase; color: var(--fg-muted);
}
.price-list{ padding: 6px 16px 10px; display: flex; flex-direction: column; }
.price-row{
  display: grid; grid-template-columns: 1fr auto auto; grid-gap: 12px; gap: 12px;
  align-items: baseline; padding: 9px 0; border-bottom: 1px dashed var(--border);
}
.price-row:last-child{ border-bottom: 0; }
.price-row .dots{
  border-bottom: 1px dotted var(--border-strong); height: 0.6em; min-width: 20px;
}
.price-row .name{ font-size: 14.5px; }
.price-row .price{
  font-feature-settings: "tnum";
  font-variant-numeric: tabular-nums; font-weight: 600;
  font-family: ui-serif, Georgia, serif; font-size: 16px; white-space: nowrap;
}

/* Tab switcher (как v3) */
.mode-switch{
  display: inline-flex; padding: 3px; background: var(--bg-subtle);
  border: 1px solid var(--border); border-radius: 8px; margin: 4px 0 16px;
}
.mode-switch button{
  border: 0; background: transparent; color: var(--fg-muted);
  font: 600 13px ui-sans-serif, system-ui, sans-serif;
  padding: 7px 14px; cursor: pointer; border-radius: 6px;
  display: inline-flex; align-items: center; gap: 7px;
  transition: all 0.12s;
}
.mode-switch button:hover{ color: var(--fg); }
.mode-switch button.active{
  background: var(--bg-elev); color: var(--fg);
  box-shadow: 0 1px 3px rgba(15,15,13,.08);
}
.mode-switch button svg{ width: 14px; height: 14px; }
.mode-panes{ position: relative; }
.mode-pane{ display: none; }
.mode-pane.active{ display: block; animation: v1-fade .18s ease; }
@keyframes v1-fade{ from{opacity:0;transform:translateY(3px)} to{opacity:1;transform:none} }

/* Disclosure blocks */
.disclosure{
  border: 1px solid var(--border); border-radius: 6px;
  background: var(--bg-elev);
  margin: 16px 0;
  overflow: hidden;
}
.disclosure summary{
  list-style: none; cursor: pointer;
  padding: 12px 16px; display: flex; align-items: center; gap: 10px;
  font-weight: 500; font-size: 14px; color: var(--fg);
  -webkit-user-select: none;
     -moz-user-select: none;
          user-select: none;
}
.disclosure summary::-webkit-details-marker{ display: none; }
.disclosure summary .chev{
  transition: transform 0.2s; color: var(--fg-muted);
  display: inline-flex;
}
.disclosure[open] summary .chev{ transform: rotate(90deg); }
.disclosure summary:hover{ background: var(--bg-subtle); }
.disclosure-body{ padding: 0 16px 16px; border-top: 1px solid var(--border); }
.disclosure summary .chip{
  margin-left: auto; font-size: 11px; color: var(--fg-subtle);
  padding: 2px 8px; border: 1px solid var(--border); border-radius: 10px;
  text-transform: uppercase; letter-spacing: 0.06em;
}

/* ============ CALCULATOR BLOCKS (визуальные "кирпичики") ============ */
.calc-doc{
  display: grid; grid-gap: 16px; gap: 16px;
  padding-top: 16px;
}
.calc-brick{
  border-radius: 8px; border: 1px solid var(--border);
  background: var(--bg);
  overflow: hidden;
}
.calc-brick-header{
  display: flex; align-items: center; gap: 8px;
  padding: 8px 12px;
  background: var(--bg-subtle);
  font-size: 11px; text-transform: uppercase; letter-spacing: 0.08em;
  font-weight: 600; color: var(--fg-muted);
  border-bottom: 1px solid var(--border);
}
.calc-brick-header .dot{
  width: 8px; height: 8px; border-radius: 2px;
  flex-shrink: 0;
}
.brick-params .dot{ background: #6b7ba8; }
.brick-prices .dot{ background: #8a7a4a; }
.brick-formula .dot{ background: #2b2b2b; }
.brick-output .dot{ background: #4a8a6a; }
.calc-brick-body{ padding: 12px; font-size: 14px; }
.calc-brick-body .mono{ font-size: 13px; }

.params-grid{ display: grid; grid-gap: 8px; gap: 8px; }
.param-row{
  display: grid; grid-template-columns: auto 1fr auto;
  grid-gap: 10px;
  gap: 10px; align-items: baseline;
  padding: 6px 0;
}
.param-row .pname{ font-family: ui-monospace, monospace; color: var(--code-kw); font-size: 13px; }
.param-row .pdom{ color: var(--fg-muted); font-size: 13px; }
.param-row .ptype{ font-size: 11px; color: var(--fg-subtle); padding: 1px 6px; border: 1px solid var(--border); border-radius: 10px; }

.prices-table{ width: 100%; border-collapse: collapse; font-size: 13px; }
.prices-table th, .prices-table td{
  text-align: left; padding: 6px 8px; border-bottom: 1px solid var(--border);
}
.prices-table th{
  font-weight: 600; color: var(--fg-muted); font-size: 11px;
  text-transform: uppercase; letter-spacing: 0.06em;
}
.prices-table td.num{ text-align: right; font-feature-settings: "tnum"; font-variant-numeric: tabular-nums; font-weight: 600; }

.formula-box{
  font-family: ui-monospace, monospace; font-size: 13px;
  background: var(--code-bg); padding: 12px; border-radius: 6px;
  white-space: pre-wrap; color: var(--code-fg);
  border: 1px solid var(--border);
  line-height: 1.6;
}

/* Arrow chain */
.arrow-chain{
  display: flex; align-items: center; gap: 6px;
  flex-wrap: wrap; font-size: 12px;
  color: var(--fg-muted); padding: 4px 0;
}
.arrow-chain .step{
  background: var(--bg-elev); border: 1px solid var(--border);
  padding: 3px 8px; border-radius: 4px;
  font-family: ui-monospace, monospace;
}
.arrow-chain .arr{ color: var(--fg-subtle); }

/* ============ INTERACTIVE CALCULATOR (inline, minimalistic) ============ */
/* Layout v2: верхний ряд = SVG-скелетон (продукт) + блок Итого с кнопкой
   копирования; нижний ряд = контролы. На узких экранах всё в один столбец
   (порядок сохраняется: скелетон → итого → контролы). */
.calc-live{
  margin-top: 16px; padding: 16px;
  border: 1px solid var(--border-strong); border-radius: 8px;
  background: var(--bg);
  display: flex; flex-direction: column;
  gap: 16px;
}
.calc-top{
  display: grid;
  /* Канва-блок шире блока «Итого» */
  grid-template-columns: minmax(260px, 1.6fr) minmax(190px, 0.9fr);
  grid-gap: 20px;
  gap: 20px; align-items: stretch;
}
.calc-live-inputs{ display: grid; grid-gap: 12px; gap: 12px; }
.calc-field label{
  display: block; font-size: 12px; color: var(--fg-muted);
  margin-bottom: 4px; font-weight: 500;
}
.calc-field select, .calc-field input[type="number"]{
  width: 100%; padding: 7px 10px;
  border: 1px solid var(--border); border-radius: 5px;
  background: var(--bg-elev); color: var(--fg);
  font-family: inherit; font-size: 14px;
}
.calc-field select:focus, .calc-field input:focus{
  outline: 2px solid var(--accent); outline-offset: -1px; border-color: var(--accent);
}
/* Toggle (UI-kit, секция 03). Заменяет нативный чекбокс на iOS-style
   переключатель: дорожка + плавающий «бегунок». Активный фон = акцент. */
.calc-toggle-field { padding: 2px 0; }
.toggle-wrap {
  display: flex;
  align-items: center;
  gap: 12px;
}
.toggle {
  position: relative;
  display: inline-block;
  width: 44px; height: 24px;
  cursor: pointer;
  flex-shrink: 0;
}
.toggle input { display: none; }
.toggle-track {
  position: absolute; inset: 0;
  border-radius: 12px;
  background: var(--border);
  transition: background 0.2s;
}
.toggle input:checked + .toggle-track {
  background: var(--accent, #1a6cf7);
}
.toggle-thumb {
  position: absolute;
  top: 3px; left: 3px;
  width: 18px; height: 18px;
  background: #ffffff;
  border-radius: 50%;
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.18);
  transition: transform 0.2s;
  pointer-events: none;
}
.toggle input:checked ~ .toggle-thumb {
  transform: translateX(20px);
}
.toggle-label {
  font-size: 13px;
  font-weight: 600;
  color: var(--fg);
  line-height: 1.3;
  -webkit-user-select: none;
     -moz-user-select: none;
          user-select: none;
  cursor: pointer;
}

/* Блок «Итого»: flex-row на всю ширину родителя.
   Три элемента (цена · срок · кнопка) обёрнуты в .calc-output-cell —
   каждая ячейка тянется на равную часть строки и центрирует своё
   содержимое. При недостатке ширины ячейки переносятся (flex-wrap):
   - Wide   : 3 ячейки в ряд, каждая ≈ 1/3
   - Medium : 2 в ряд (по 1/2), 3-я переносится и занимает 100% (центр)
   - Narrow : 1 в ряд, каждая 100% — стопка по центру */
.calc-output{
  padding: 12px 14px;
  background: var(--bg-subtle);
  border-radius: 6px;
  border: 1px solid var(--border);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  /* row-gap (между строками при wrap), column-gap (между ячейками). */
  gap: 6px 14px;
}
.calc-output-cell{
  display: flex;
  align-items: center;
  justify-content: center;     /* центрирование внутри сектора */
  flex: 1 1 140px;             /* min basis 140 px, растягивается равномерно */
  min-width: 0;                /* shrink ниже basis при необходимости */
}
.calc-output-lines{
  flex-basis: 100%;
  flex-grow: 0;
  font-size: 12px; color: var(--fg-muted);
  font-family: ui-monospace, monospace;
  display: grid; grid-gap: 2px; gap: 2px;
}
.calc-headline-price{
  display: flex; flex-direction: column;
  /* Per-unit и «Можно дешевле!» выравниваются по центру цены. */
  align-items: center;
  text-align: center;
}
.calc-total{
  font-family: ui-serif, Georgia, serif;
  font-size: 28px; font-weight: 600; line-height: 1.1;
  color: var(--fg);
}
/* Последовательная смена цены без наложений:
   .out — старая цена плавно уходит (260ms),
   .in  — после смены текста новая плавно появляется (280ms).
   В каждый момент времени видна ТОЛЬКО одна из цен. */
.price-fade-item{
  display: inline-block;
}
.price-fade-item.out{
  animation: priceFadeOut 260ms cubic-bezier(0.4, 0, 1, 1) forwards;
}
.price-fade-item.in{
  animation: priceFadeIn 280ms cubic-bezier(0, 0, 0.2, 1);
}
@keyframes priceFadeOut{
  0%   { opacity: 1; transform: translateY(0); }
  100% { opacity: 0; transform: translateY(-4px); }
}
@keyframes priceFadeIn{
  0%   { opacity: 0; transform: translateY(4px); }
  100% { opacity: 1; transform: translateY(0); }
}
.calc-total-label{
  font-size: 11px; color: var(--fg-subtle);
  text-transform: uppercase; letter-spacing: 0.08em;
  margin-bottom: 2px;
}
/* Цена за штуку + ссылка «Можно дешевле!» под общей суммой.
   Per-unit: 15px (на 50% больше прежних 10), темнее и центрирован.
   Link: 13px (на ~20% больше), тёмно-зелёный, пунктирное подчёркивание. */
.calc-total-extras{
  margin-top: 4px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 3px;
}
.calc-total-perunit{
  font-size: 15px;
  color: var(--fg-muted);
  font-family: inherit;
  line-height: 1.2;
  text-align: center;
}
.calc-cheaper-link{
  font-size: 13px;
  color: #1f6e30;
  background: transparent;
  border: none;
  padding: 0;
  cursor: pointer;
  font-family: inherit;
  -webkit-text-decoration: underline dotted;
          text-decoration: underline dotted;
  text-underline-offset: 3px;
  line-height: 1.2;
  text-align: center;
  font-weight: 500;
}
.calc-cheaper-link:hover{
  -webkit-text-decoration: underline solid;
          text-decoration: underline solid;
  color: #145a23;
}

/* Модалка «Можно дешевле!» */
.cheaper-modal-backdrop{
  position: fixed;
  inset: 0;
  background: rgba(15, 18, 25, 0.55);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  animation: cheaperBackdropIn 180ms ease-out;
}
@keyframes cheaperBackdropIn{
  from { opacity: 0; }
  to   { opacity: 1; }
}
.cheaper-modal-panel{
  background: var(--bg-elev, #ffffff);
  border-radius: 14px;
  box-shadow: 0 20px 60px rgba(0,0,0,0.25);
  padding: 22px 24px 18px;
  width: 100%;
  max-width: 480px;
  position: relative;
  animation: cheaperPanelIn 220ms cubic-bezier(0.2, 0.7, 0.2, 1);
}
@keyframes cheaperPanelIn{
  from { opacity: 0; transform: translateY(8px) scale(0.98); }
  to   { opacity: 1; transform: translateY(0)   scale(1); }
}
.cheaper-modal-close{
  position: absolute;
  top: 10px; right: 12px;
  width: 28px; height: 28px;
  display: inline-flex; align-items: center; justify-content: center;
  background: transparent;
  border: none;
  border-radius: 6px;
  font-size: 22px;
  line-height: 1;
  color: var(--fg-muted);
  cursor: pointer;
  font-family: inherit;
}
.cheaper-modal-close:hover{ background: var(--bg-hover, #eef0f3); color: var(--fg); }
.cheaper-modal-title{
  margin: 0 0 6px;
  font-size: 22px;
  font-weight: 700;
  color: var(--fg);
  font-family: inherit;
}
.cheaper-modal-sub{
  font-size: 13px;
  color: var(--fg-muted);
  margin-bottom: 14px;
}
.cheaper-modal-loading{
  padding: 18px 0;
  text-align: center;
  color: var(--fg-muted);
  font-size: 13px;
}
.cheaper-modal-list{
  list-style: none;
  margin: 0;
  padding: 0;
}
.cheaper-modal-list li{ margin: 0; }
.cheaper-modal-list li + li{ border-top: 1px solid var(--border, #ebedf0); }
.cheaper-row{
  width: 100%;
  display: grid;
  grid-template-columns: auto auto 1fr auto auto;
  align-items: center;
  grid-gap: 12px;
  gap: 12px;
  padding: 12px 4px;
  background: transparent;
  border: none;
  cursor: pointer;
  text-align: left;
  font-family: inherit;
  color: var(--fg);
}
.cheaper-row:hover{ background: var(--bg-hover, #f5f6f8); }
.cheaper-row.selected .cheaper-radio{ background: var(--accent, #1a6cf7); box-shadow: inset 0 0 0 4px var(--bg-elev, #ffffff), inset 0 0 0 5px var(--accent, #1a6cf7); }
.cheaper-radio{
  display: inline-block;
  width: 18px; height: 18px;
  border: 1.5px solid var(--border, #ced3da);
  border-radius: 50%;
  flex-shrink: 0;
  background: transparent;
}
.cheaper-discount{
  font-weight: 700;
  color: #1f8a3a;
  font-size: 14px;
  min-width: 44px;
}
.cheaper-qty{
  font-size: 14px;
  color: var(--fg);
}
.cheaper-perunit{
  font-size: 13px;
  color: var(--fg-muted);
  text-align: right;
  font-feature-settings: "tnum";
  font-variant-numeric: tabular-nums;
}
.cheaper-lead{
  font-size: 12px;
  color: var(--fg-subtle);
  white-space: normal;
  overflow-wrap: break-word;
  min-width: 0;
}
.calc-warn{
  flex-basis: 100%;
  flex-grow: 0;
  margin-top: 0; font-size: 12px; color: var(--code-kw);
  padding: 6px 8px; background: color-mix(in oklab, var(--code-kw) 10%, transparent);
  border-radius: 4px;
}
.calc-leadtime{
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 12px; color: var(--fg-muted);
  padding: 5px 8px; background: var(--bg);
  border-radius: 4px; border-left: 2px solid var(--accent, #1a6cf7);
  line-height: 1.3;
  /* Плашка перенесётся на следующую строку (flex-wrap) если не помещается,
     а внутренний текст может перейти на 2-ю строку внутри плашки. */
  flex-shrink: 1;
  min-width: 0;
  max-width: 100%;
}
.calc-leadtime-icon{ flex-shrink: 0; }
.calc-leadtime-text{
  /* Разрешаем перенос текста (на узких ячейках длинная подпись вроде
     «10–15 минут, в порядке живой очереди» должна влезть). */
  white-space: normal;
  word-break: normal;
  overflow-wrap: anywhere;
}
/* Blink-индикатор изменения срока:
   .blink-faster — срок уменьшился (быстрее) → зелёная вспышка с hold
   .blink-slower — срок увеличился (медленнее) → жёлтая вспышка с hold
   Тайминг (общая длительность 1700ms):
     0–10%   ramp-in (быстрый набор цвета)
     10–65%  hold — насыщенный цвет держится ~935ms (≈ +1c после пика)
     65–100% плавный возврат к нейтральному ~595ms */
.calc-leadtime.blink-faster{
  animation: leadBlinkFaster 1700ms ease-out;
}
.calc-leadtime.blink-slower{
  animation: leadBlinkSlower 1700ms ease-out;
}
@keyframes leadBlinkFaster{
  0%   { background: var(--bg);   border-left-color: var(--accent, #1a6cf7); color: var(--fg-muted); }
  10%  { background: #9eebab;     border-left-color: #138a2f; color: #0e5b1f; }
  65%  { background: #9eebab;     border-left-color: #138a2f; color: #0e5b1f; }
  100% { background: var(--bg);   border-left-color: var(--accent, #1a6cf7); color: var(--fg-muted); }
}
@keyframes leadBlinkSlower{
  0%   { background: var(--bg);   border-left-color: var(--accent, #1a6cf7); color: var(--fg-muted); }
  10%  { background: #ffe28a;     border-left-color: #b07700; color: #6b4500; }
  65%  { background: #ffe28a;     border-left-color: #b07700; color: #6b4500; }
  100% { background: var(--bg);   border-left-color: var(--accent, #1a6cf7); color: var(--fg-muted); }
}

/* Кнопка «Копировать расчёт» — flex-item внутри .calc-output,
   wrap'ит на следующую строку когда не помещается в ряд с ценой/сроком. */
.calc-copy-btn-wrap{
  position: relative;
  flex-shrink: 0;
}
.calc-copy-btn{
  display: inline-flex; align-items: center; gap: 6px;
  padding: 7px 12px; font-size: 13px; font-weight: 500;
  background: var(--bg-elev); border: 1px solid var(--border);
  border-radius: 6px; color: var(--fg);
  cursor: pointer; font-family: inherit;
  transition: background 0.12s, color 0.12s, border-color 0.12s;
}
.calc-copy-btn:hover{ background: var(--bg-hover); border-color: var(--border-strong); }
.calc-copy-btn svg{ color: var(--fg-subtle); }
.calc-copy-btn.copied{
  background: color-mix(in oklab, var(--accent) 14%, var(--bg-elev));
  color: var(--accent); border-color: var(--accent);
}

/* Кастомный tooltip (бабл) с превью summary при наведении на кнопку */
.calc-copy-tip{
  position: absolute; bottom: calc(100% + 8px); left: 0;
  min-width: 240px; max-width: 380px;
  padding: 10px 12px;
  background: var(--fg);
  color: var(--bg);
  border-radius: 6px;
  font-size: 12px; line-height: 1.55;
  white-space: pre-wrap;
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.18);
  opacity: 0; pointer-events: none;
  transform: translateY(4px);
  transition: opacity 0.14s ease, transform 0.14s ease;
  z-index: 5;
  font-feature-settings: "tnum";
  font-variant-numeric: tabular-nums;
}
.calc-copy-tip::after{
  content: ''; position: absolute; top: 100%; left: 18px;
  border: 6px solid transparent; border-top-color: var(--fg);
}
.calc-copy-btn-wrap:hover .calc-copy-tip,
.calc-copy-btn-wrap:focus-within .calc-copy-tip{
  opacity: 1; transform: translateY(0);
}

/* SVG-скелетон продукта (заглушка под будущий KALK canvas:) */
.calc-product-skel{
  display: flex; align-items: center; justify-content: center;
  min-height: 160px;
  background: var(--bg-subtle);
  border: 1px dashed var(--border);
  border-radius: 6px;
  padding: 10px;
}
.calc-product-skel svg{ max-width: 100%; height: auto; display: block; }
.calc-product-skel-caption{
  font-size: 10.5px; text-transform: uppercase; letter-spacing: 0.08em;
  color: var(--fg-subtle); font-weight: 600;
  margin-bottom: 6px;
}

/* Респонсивная компоновка: на узких экранах канвас + цена + контролы
   стопкой по вертикали. Блок «Итого» — компактный (по контенту). */
@media (max-width: 768px){
  .calc-top{ grid-template-columns: 1fr; gap: 12px; }
  .calc-product-skel{ min-height: 160px; }
  .calc-output{
    padding: 10px 12px;
    gap: 6px 12px;
  }
  .calc-total{ font-size: 24px; }
  .calc-leadtime{ font-size: 11.5px; padding: 4px 8px; }
}

/* ============ RIGHT-SIDE NAV ============ */
.side-nav{
  position: -webkit-sticky;
  position: sticky; top: 80px;
  align-self: start;
  font-size: 13px;
  max-height: calc(100vh - 100px);
  overflow-y: auto;
  padding-right: 4px;
}
.side-nav-title{
  font-size: 11px; text-transform: uppercase; letter-spacing: 0.08em;
  color: var(--fg-subtle); font-weight: 600;
  margin: 0 0 8px; padding-left: 10px;
}
.side-nav ul{
  list-style: none; margin: 0; padding: 0;
  border-left: 1px solid var(--border);
}
.side-nav li{ margin: 0; }
.side-nav a{
  display: block; padding: 4px 10px;
  color: var(--fg-muted); text-decoration: none;
  border-left: 2px solid transparent; margin-left: -1px;
  line-height: 1.35;
  transition: color 0.12s, border-color 0.12s;
}
.side-nav a:hover{ color: var(--fg); }
.side-nav a.active{
  color: var(--fg); border-left-color: var(--accent);
  font-weight: 500;
}

/* ============ Mobile drawer ============ */
.mobile-fab{
  display: none;
  position: fixed; bottom: 20px; left: 50%;
  transform: translateX(-50%); z-index: 80;
  padding: 10px 20px;
  background: var(--accent); color: var(--accent-fg);
  border: none; border-radius: 999px;
  font-size: 14px; font-weight: 500;
  box-shadow: var(--shadow-lg);
  cursor: pointer; display: none;
  align-items: center; gap: 8px;
}
.mobile-drawer{
  position: fixed; inset: 0 0 0 0; z-index: 90;
  background: rgba(0,0,0,0.3);
  opacity: 0; pointer-events: none;
  transition: opacity 0.2s;
}
.mobile-drawer.open{ opacity: 1; pointer-events: auto; }
.mobile-drawer-panel{
  position: absolute; left: 0; right: 0; bottom: 0;
  background: var(--bg-elev);
  border-radius: 16px 16px 0 0;
  max-height: 75vh; overflow: hidden;
  display: flex; flex-direction: column;
  transform: translateY(100%); transition: transform 0.25s cubic-bezier(.3,.9,.3,1);
}
.mobile-drawer.open .mobile-drawer-panel{ transform: translateY(0); }
.mobile-drawer-handle{
  width: 40px; height: 4px; border-radius: 2px;
  background: var(--border-strong); margin: 12px auto 8px;
}
.mobile-drawer-header{
  padding: 4px 20px 16px; border-bottom: 1px solid var(--border);
  font-weight: 600; font-size: 15px;
}
.mobile-drawer-list{
  padding: 8px 0; overflow-y: auto; flex: 1 1;
}
.mobile-drawer-list a{
  display: flex; align-items: center; gap: 12px;
  padding: 12px 20px;
  color: var(--fg); text-decoration: none;
  border-left: 3px solid transparent;
}
.mobile-drawer-list a:hover, .mobile-drawer-list a.active{
  background: var(--bg-subtle); border-left-color: var(--accent);
}
.mobile-drawer-list .cat{
  font-size: 11px; text-transform: uppercase; letter-spacing: 0.08em;
  color: var(--fg-subtle); padding: 16px 20px 4px;
  font-weight: 600;
}
.mobile-drawer-search{
  display: flex; align-items: center; gap: 8px;
  margin: 8px 12px 0;
  padding: 8px 12px;
  border: 2px solid var(--accent);
  border-radius: 8px;
  flex-shrink: 0;
}
.mobile-drawer-panel::after{
  content: ''; display: block;
  height: max(calc(env(safe-area-inset-bottom) + 8px), 20px);
  flex-shrink: 0;
}
.mobile-drawer-search svg{ flex-shrink: 0; color: var(--fg-subtle); }
.mobile-drawer-search input{
  flex: 1 1; border: none; background: transparent; outline: none;
  font-size: 14px; color: var(--fg); font-family: inherit;
}
.mobile-drawer-search input::placeholder{ color: var(--fg-subtle); }
.mobile-drawer-list .drawer-no-results{
  padding: 20px; text-align: center; color: var(--fg-subtle); font-size: 14px;
}

/* ============ Search modal ============ */
.search-modal{
  position: fixed; inset: 0; z-index: 100;
  background: rgba(0,0,0,0.4); -webkit-backdrop-filter: blur(4px); backdrop-filter: blur(4px);
  display: none; align-items: flex-start; justify-content: center;
  padding-top: 10vh;
}
.search-modal.open{ display: flex; }
.search-panel{
  width: min(92vw, 560px); max-height: 70vh;
  background: var(--bg-elev); border: 1px solid var(--border);
  border-radius: 10px; box-shadow: var(--shadow-lg);
  display: flex; flex-direction: column; overflow: hidden;
}
.search-input-wrap{
  display: flex; align-items: center; gap: 10px;
  padding: 14px 16px; border-bottom: 1px solid var(--border);
}
.search-input-wrap svg{ color: var(--fg-muted); flex-shrink: 0; }
.search-panel input{
  flex: 1 1; border: none; outline: none; background: transparent;
  color: var(--fg); font-size: 16px; font-family: inherit;
}
.search-esc{
  font-size: 11px; padding: 2px 6px; border: 1px solid var(--border);
  border-radius: 3px; color: var(--fg-subtle); font-family: inherit;
}
.search-results{ overflow-y: auto; padding: 4px; }
.search-result{
  display: flex; align-items: baseline; gap: 10px;
  padding: 10px 12px; border-radius: 6px;
  cursor: pointer; text-decoration: none; color: var(--fg);
}
.search-result:hover, .search-result.selected{ background: var(--bg-subtle); }
.search-result .kind{
  font-size: 10px; text-transform: uppercase; letter-spacing: 0.08em;
  color: var(--fg-subtle); padding: 2px 6px; border: 1px solid var(--border);
  border-radius: 3px; flex-shrink: 0;
}
.search-result .sr-title{ flex: 1 1; min-width: 0; font-size: 14px; }
.search-result .sr-sub{ font-size: 12px; color: var(--fg-muted); margin-left: 6px; }
.search-result .sr-price{ font-weight: 600; font-feature-settings: "tnum"; font-variant-numeric: tabular-nums; }
mark{ background: var(--mark); color: inherit; padding: 0 1px; border-radius: 2px; }
.search-empty{ padding: 40px; text-align: center; color: var(--fg-subtle); font-size: 14px; }
.search-hint{
  padding: 8px 14px; font-size: 11px; color: var(--fg-subtle);
  border-top: 1px solid var(--border); display: flex; gap: 16px;
}

/* ============ Responsive ============ */
@media (max-width: 960px){
  .layout{ grid-template-columns: 1fr; gap: 0; padding: 32px 20px 120px; }
  .side-nav{ display: none; }
  .mobile-fab{ display: flex; }
  .page-title{ font-size: 36px; }
  .section h2{ font-size: 26px; }
  .topbar-inner{ padding: 10px 16px; }
  .search-btn{ min-width: 0; }
  .search-btn span.label{ display: none; }
  .search-btn kbd{ display: none; }
  .crumbs{ font-size: 12px; }
  .user-menu-name{ display: none; }
  .user-menu-trigger{ padding: 6px 8px; }
}
@media (max-width: 480px){
  .theme-btn{ display: none !important; }
  .search-btn{ flex-shrink: 0; padding: 0 8px; }
}
@media (max-width: 500px){
  .topbar-actions .icon-btn:not(.theme-btn){ display: none; }
  .page-title{ font-size: 30px; }
}

/* ============ Print ============ */
@media print{
  .topbar, .side-nav, .mobile-fab, .progress, .search-modal{ display: none !important; }
  .layout{ grid-template-columns: 1fr; gap: 0; padding: 0; max-width: none; }
  .disclosure{ page-break-inside: avoid; break-inside: avoid; }
  .disclosure[data-calc]{ display: none; }
  details:not([open]) > .disclosure-body{ display: block !important; }
  details > summary{ display: none; }
  body{ font-size: 11pt; }
  .section{ page-break-inside: avoid; break-inside: avoid; margin-top: 24pt; }
  .page-title{ font-size: 24pt; }
  .section h2{ font-size: 16pt; }
  a{ color: inherit; text-decoration: none; }
}

/* ---------- Auth (login/register) ---------- */
.auth-page{
  min-height: 100vh; display: flex; align-items: center; justify-content: center;
  padding: 48px 16px; background: var(--bg);
}
.auth-card{
  width: 100%; max-width: 420px; padding: 32px;
  background: var(--bg-elev); border: 1px solid var(--border); border-radius: 12px;
  display: flex; flex-direction: column; gap: 16px;
}
.auth-card h1{ margin: 0 0 8px; font-size: 24px; }
.auth-card label{ display: flex; flex-direction: column; gap: 6px; font-size: 13px; color: var(--fg-muted); }
.auth-card input{
  padding: 10px 12px; font: inherit; font-size: 14px;
  border: 1px solid var(--border); border-radius: 6px; background: var(--bg);
  color: var(--fg);
}
.auth-card input:focus{ outline: 2px solid var(--accent, #1a6cf7); outline-offset: -1px; }
.auth-btn{
  margin-top: 8px; padding: 11px 16px; font: inherit; font-weight: 600;
  background: var(--fg); color: var(--bg); border: 0; border-radius: 6px;
  cursor: pointer; font-size: 14px;
}
.auth-btn:disabled{ opacity: 0.5; cursor: default; }
.auth-err{
  font-size: 13px; color: #b04040;
  padding: 8px 10px; background: #ffe0e0; border-radius: 4px;
}
.auth-footer{ font-size: 13px; color: var(--fg-muted); text-align: center; }
.auth-footer a{ color: var(--fg); text-decoration: underline; }

/* ---------- Topbar user menu ---------- */
.user-menu{ position: relative; }
.user-menu-trigger{
  display: inline-flex; align-items: center; gap: 6px;
  padding: 6px 12px; border: 1px solid var(--border); border-radius: 7px;
  background: var(--bg-elev); color: var(--fg); cursor: pointer;
  font: inherit; font-size: 13px; font-weight: 500;
}
.user-menu-trigger:hover{ background: var(--bg-subtle); }
.user-menu-dropdown{
  position: absolute; top: calc(100% + 4px); right: 0; min-width: 200px;
  background: var(--bg-elev); border: 1px solid var(--border);
  border-radius: 7px; box-shadow: 0 4px 18px rgba(15,15,13,.08);
  padding: 6px; display: flex; flex-direction: column; z-index: 50;
}
.user-menu-dropdown a, .user-menu-dropdown button{
  padding: 8px 12px; font: inherit; font-size: 13px;
  text-align: left; background: transparent; color: var(--fg);
  border: 0; border-radius: 4px; cursor: pointer; text-decoration: none;
}
.user-menu-dropdown a:hover, .user-menu-dropdown button:hover{ background: var(--bg-subtle); }
.user-menu-email{ font-size: 11px; color: var(--fg-subtle); padding: 4px 12px 8px; border-bottom: 1px solid var(--border); margin-bottom: 4px; }

/* ---------- History ---------- */
.history-view{ max-width: 1240px; margin: 0 auto; padding: 24px 32px; }
.history-filters{ display: flex; flex-direction: column; gap: 12px; margin-bottom: 20px; }
.history-period{ display: flex; gap: 6px; flex-wrap: wrap; }
.period-btn{
  padding: 6px 12px; font: inherit; font-size: 13px;
  background: var(--bg-elev); border: 1px solid var(--border); border-radius: 6px;
  color: var(--fg-muted); cursor: pointer;
}
.period-btn:hover{ background: var(--bg-hover); }
.period-btn.active{ background: var(--fg); color: var(--bg); border-color: var(--fg); }
.history-custom-range{ display: flex; align-items: center; gap: 8px; font-size: 13px; }
.history-custom-range input{
  padding: 5px 8px; border: 1px solid var(--border); border-radius: 4px; font: inherit;
}
.history-apply{
  padding: 6px 12px; background: var(--fg); color: var(--bg); border: 0;
  border-radius: 4px; font-size: 13px; cursor: pointer;
}
.history-sec-filters{ display: flex; gap: 12px; align-items: center; flex-wrap: wrap; font-size: 13px; }
.history-sec-filters select{
  padding: 5px 8px; border: 1px solid var(--border); border-radius: 4px;
  background: var(--bg-elev); color: var(--fg); font: inherit; font-size: 13px;
}
.history-chk{ display: flex; gap: 6px; align-items: center; color: var(--fg-muted); cursor: pointer; }

.history-list{ display: flex; flex-direction: column; }
.history-item{ border-bottom: 1px solid var(--border); }
.history-item.is-empty .h-params{ color: var(--fg-subtle); font-style: italic; }
.history-row{
  display: grid;
  grid-template-columns: 140px 140px 1fr 120px 100px auto;
  grid-gap: 10px;
  gap: 10px; padding: 10px 4px; align-items: center; font-size: 13px;
  cursor: pointer;
}
.history-row:hover{ background: var(--bg-subtle); }
.history-item.is-empty .history-row{ cursor: default; }
.history-item .history-row[data-admin] { grid-template-columns: 140px 140px 120px 1fr 120px 100px auto; }
.history-children{ background: var(--bg-subtle); padding: 4px 20px; }
.history-child{
  display: grid; grid-template-columns: 160px 1fr 100px 140px;
  grid-gap: 10px;
  gap: 10px; padding: 6px 4px; font-size: 12px; color: var(--fg-muted);
  border-top: 1px dashed var(--border);
}
.h-time{ color: var(--fg-muted); font-family: ui-monospace, monospace; }
.h-source{ font-size: 11px; color: var(--fg-subtle); font-family: ui-monospace, monospace; }
.h-user{ font-weight: 600; }
.h-user em{ color: var(--fg-subtle); font-style: italic; font-weight: 400; }
.h-cat{ font-weight: 500; }
.h-params{ overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.h-price{ font-feature-settings: "tnum"; font-variant-numeric: tabular-nums; text-align: right; font-weight: 600; }
.h-lead{ color: var(--fg-muted); font-size: 12px; }
.h-count{ text-align: right; }
.h-expand{
  border: 0; background: transparent; font-family: ui-monospace, monospace;
  cursor: pointer; color: var(--fg); font-size: 13px;
}
.h-count-empty{ color: var(--fg-subtle); }
.history-muted{ color: var(--fg-muted); padding: 20px; text-align: center; }
.history-err{ color: #b04040; padding: 10px; background: #ffe0e0; border-radius: 4px; font-size: 13px; }
.history-footer{ margin-top: 16px; color: var(--fg-subtle); font-size: 12px; text-align: center; }

/* ---------- Account shell ---------- */
.account-shell{ min-height: 100vh; background: var(--bg); }
.account-header{
  border-bottom: 1px solid var(--border); background: var(--bg-elev);
  position: -webkit-sticky;
  position: sticky; top: 0; z-index: 40;
}
.account-header-inner{
  max-width: 1240px; margin: 0 auto; padding: 12px 32px;
  display: flex; align-items: center; gap: 24px;
}
.account-nav{
  display: flex; gap: 16px; flex: 1 1;
}
.account-nav a{
  color: var(--fg-muted); text-decoration: none; font-size: 14px;
  padding: 4px 0; border-bottom: 2px solid transparent;
  transition: color 0.12s, border-color 0.12s;
}
.account-nav a:hover{ color: var(--fg); }
.account-nav a.active{ color: var(--fg); border-bottom-color: var(--fg); }
.account-user{
  display: flex; align-items: center; gap: 10px;
  font-size: 13px; color: var(--fg-muted);
}
.account-page{
  max-width: 920px; margin: 0 auto; padding: 32px;
}
.account-page h1{ margin-top: 0; }
.account-section{
  background: var(--bg-elev); border: 1px solid var(--border);
  border-radius: 10px; padding: 24px; margin-bottom: 20px;
}
.account-section h2{
  margin: 0 0 16px; font-size: 18px; color: var(--fg);
}
.profile-fields{
  display: grid; grid-template-columns: 160px 1fr; grid-gap: 8px 20px; gap: 8px 20px; margin: 0;
}
.profile-fields dt{ color: var(--fg-muted); font-size: 13px; }
.profile-fields dd{ margin: 0; color: var(--fg); }
.tg-code-box{
  margin-top: 12px; padding: 16px; background: var(--bg-subtle);
  border: 1px dashed var(--border-strong); border-radius: 8px;
}
.tg-code{
  font-family: ui-monospace, monospace; font-size: 28px; font-weight: 600;
  letter-spacing: 0.2em; color: var(--fg); text-align: center;
  padding: 10px; margin-bottom: 12px;
}
.tg-code-box code{
  font-family: ui-monospace, monospace; padding: 2px 6px;
  background: var(--bg); border: 1px solid var(--border);
  border-radius: 4px; font-size: 13px;
}
.tg-code-box p{ margin: 8px 0 12px; color: var(--fg-muted); font-size: 13px; }

/* ---------- Lazy loading: секция занимает место заранее ---------- */
/* Анкор прокрутки не даёт viewport'у уехать когда контент выше подгружается. */
html { overflow-anchor: auto; }
.section {
  contain: layout style;        /* изолирует внутренние reflow'ы */
  scroll-margin-top: 80px;
}
/* description приходит сразу из CategoryBrief — скелетон не нужен.
   Размер блока подстраивается под фактический текст (1-5 строк). */

/* ---------- Dots spinner (lazy loading) ---------- */
.dots-spinner {
  display: inline-flex;
  gap: 3px;
  align-items: center;
  margin-left: 8px;
  vertical-align: middle;
}
.dots-spinner span {
  width: 6px;
  height: 6px;
  background: var(--fg);
  border-radius: 50%;
  display: inline-block;
  animation: dots-bounce 0.9s infinite ease-in-out both;
  opacity: 0.5;
}
.dots-spinner span:nth-child(1) { animation-delay: -0.3s; }
.dots-spinner span:nth-child(2) { animation-delay: -0.15s; }
.dots-spinner span:nth-child(3) { animation-delay: 0s; }
@keyframes dots-bounce {
  0%, 80%, 100% { opacity: 0.25; transform: scale(0.7); }
  40% { opacity: 1; transform: scale(1); }
}
.calc-load-wait {
  padding: 40px 16px;
  text-align: center;
  color: var(--fg-muted);
  font-size: 14px;
}
.calc-load-error {
  padding: 20px;
  color: #b04040;
  background: color-mix(in oklab, #b04040 8%, transparent);
  border-radius: 6px;
  font-size: 13px;
}

/* ---------- Calculator skeleton (отображается пока данные не пришли) ---------- */
.calc-skeleton { opacity: 0.7; pointer-events: none; }
.skel-line, .skel-pill {
  background: linear-gradient(90deg, var(--bg-hover) 0%, var(--bg-subtle) 50%, var(--bg-hover) 100%);
  background-size: 200% 100%;
  animation: skel-shimmer 1.4s infinite ease-in-out;
  border-radius: 6px;
}
.skel-label { height: 13px; width: 120px; margin-bottom: 8px; }
.skel-opts { display: flex; gap: 6px; flex-wrap: wrap; }
.skel-pill { height: 34px; width: 90px; }
.skel-pill-sm { width: 60px; }
@keyframes skel-shimmer {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* ============ Section gallery (200x200 + lightbox) ============ */
.section-desc-row{
  display: grid; grid-template-columns: 200px 1fr;
  grid-gap: 16px;
  gap: 16px; align-items: start;
  margin-top: 8px;
}
.section-desc-row .section-desc{ margin: 0; }
.section-gallery{
  width: 200px; height: 200px;
  border-radius: 8px; overflow: hidden;
  position: relative;
  background: var(--bg-subtle);
  border: 1px solid var(--border);
  cursor: zoom-in;
  flex-shrink: 0;
}
.section-gallery img{
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  object-fit: cover;
  opacity: 0; transition: opacity 0.6s ease;
}
.section-gallery img.is-active{ opacity: 1; }
.section-gallery-dots{
  position: absolute; left: 0; right: 0; bottom: 8px;
  display: flex; justify-content: center; gap: 6px;
  pointer-events: none;
}
.section-gallery-dots .dot{
  width: 6px; height: 6px; border-radius: 50%;
  background: rgba(255, 255, 255, 0.55);
  border: 1px solid rgba(0, 0, 0, 0.18);
  pointer-events: auto; cursor: pointer;
  padding: 0;
  transition: background 0.16s, transform 0.16s;
}
.section-gallery-dots .dot.is-active{
  background: #fff; transform: scale(1.25);
}
@media (max-width: 768px){
  .section-desc-row{ grid-template-columns: 1fr; gap: 10px; }
  .section-gallery{ width: 100%; height: auto; aspect-ratio: 1 / 1; max-width: 320px; }
}

/* Lightbox — открытие картинки в оригинальном размере */
.lightbox-backdrop{
  position: fixed; inset: 0;
  background: rgba(0, 0, 0, 0.78);
  display: flex; align-items: center; justify-content: center;
  z-index: 9999;
  animation: lb-fade 0.18s ease-out;
}
.lightbox-content{
  position: relative;
  max-width: 90vw; max-height: 90vh;
  display: flex; align-items: center; justify-content: center;
}
.lightbox-content img{
  max-width: 90vw; max-height: 90vh;
  width: auto; height: auto;
  display: block;
  object-fit: contain;
  border-radius: 4px;
  box-shadow: 0 16px 60px rgba(0, 0, 0, 0.6);
}
.lightbox-close{
  position: absolute;
  top: 8px; right: 8px;
  width: 36px; height: 36px;
  border: none; background: rgba(0, 0, 0, 0.55);
  color: #fff; border-radius: 50%;
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  font-size: 20px; line-height: 1;
  transition: background 0.14s;
  z-index: 1;
}
.lightbox-close:hover{ background: rgba(0, 0, 0, 0.75); }
@keyframes lb-fade{
  from{ opacity: 0; }
  to{ opacity: 1; }
}

/* «Подробная формула» — кнопка над «Копировать расчёт».
   Видна только залогиненным юзерам. Тёмно-синий аутлайн, пунктир. */
.calc-formula-btn{
  display: inline-flex; align-items: center; gap: 6px;
  padding: 6px 10px;
  margin-bottom: 6px;
  font-size: 12px;
  font-family: inherit;
  background: transparent;
  color: #1f3a5f;
  border: 1px dashed #6b85a7;
  border-radius: 6px;
  cursor: pointer;
  font-weight: 500;
  letter-spacing: 0.01em;
  transition: background 120ms ease, color 120ms ease;
}
.calc-formula-btn::before{
  content: 'fx';
  display: inline-block;
  font-family: ui-serif, Georgia, serif;
  font-style: italic;
  font-weight: 600;
  font-size: 13px;
  margin-right: 2px;
  color: #4a6fa0;
}
.calc-formula-btn:hover{
  background: #eef2f8;
  color: #112440;
  border-style: solid;
}

/* Вертикальный стек кнопок «Подробная формула» + «Копировать расчёт»
   внутри одной ячейки .calc-output-cell. */
.calc-actions-stack{
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
}

/* Модалка «Подробная формула» — визуальная формула из блоков.
   Каждый блок = прямоугольник со скруглёнными углами, разделённый
   горизонтальной чертой: сверху — описание, снизу — значение.
   Между блоками — операторы × / = масштабированные под высоту блока. */
.formula-modal{
  max-width: 720px;
}
.formula-flow{
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 6px 4px;
  margin-top: 14px;
  padding: 10px 4px;
}
.formula-block{
  width: 110px;
  min-height: 60px;
  border-radius: 10px;
  border: 1.5px solid var(--border);
  background: var(--bg-elev, #ffffff);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  box-shadow: 0 1px 2px rgba(0,0,0,0.04);
}
.formula-block-label{
  padding: 4px 6px;
  font-size: 9px;
  line-height: 1.25;
  color: var(--fg-muted);
  text-align: center;
  border-bottom: 1px solid var(--border);
  background: var(--bg-subtle, #f7f8fa);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  /* Чтобы курсор-«помощь» намекал на наличие tooltip. */
  cursor: help;
}
.formula-block-value{
  flex: 1 1 auto;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 6px 4px;
  font-size: 14px;
  font-weight: 600;
  color: var(--fg);
  font-feature-settings: "tnum";
  font-variant-numeric: tabular-nums;
  text-align: center;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.formula-block-base{
  border-color: #6b85a7;
  background: #f1f5fb;
}
.formula-block-total{
  border-color: #1f3a5f;
  border-width: 2px;
  background: #eef2f8;
}
.formula-block-total .formula-block-label{
  color: #1f3a5f;
  font-weight: 600;
  background: #dde6f2;
}
.formula-block-total .formula-block-value{
  color: #1f3a5f;
  font-family: ui-serif, Georgia, serif;
  font-size: 17px;
}
/* Цветовая дифференциация множителей по типу:
   discount   — светло-зелёный  (скидка от тиража)
   complexity — жёлтый           (сложность / ламинация / подрамник)
   qty        — коричневый       (количество / тираж) */
.formula-block-discount{
  border-color: #66bb6a;
  background: #e8f5e9;
}
.formula-block-discount .formula-block-label{
  background: #c8e6c9;
  color: #1b5e20;
}
.formula-block-discount .formula-block-value{
  color: #2e7d32;
}
.formula-block-complexity{
  border-color: #f0b541;
  background: #fff8e1;
}
.formula-block-complexity .formula-block-label{
  background: #ffe7a8;
  color: #7c5300;
}
.formula-block-complexity .formula-block-value{
  color: #8a5a00;
}
.formula-block-qty{
  border-color: #8d6e63;
  background: #efebe9;
}
.formula-block-qty .formula-block-label{
  background: #d7ccc8;
  color: #4e342e;
}
.formula-block-qty .formula-block-value{
  color: #5d4037;
}
.formula-op{
  font-size: 28px;
  font-weight: 300;
  font-family: ui-serif, Georgia, serif;
  color: var(--fg-muted);
  padding: 0 2px;
  line-height: 1;
  align-self: center;
  -webkit-user-select: none;
     -moz-user-select: none;
          user-select: none;
}