/* ===================== PartMatch: стили ===================== */
:root {
  --side-1: #0f4a4c;
  --side-2: #0a3537;
  --side-text: #d5e7e6;
  --side-active: rgba(255, 255, 255, .12);
  --primary: #17807a;
  --primary-dark: #106660;
  --primary-soft: #e4f3f1;
  --primary-soft-2: #d2ebe8;
  --bg: #f2f6f6;
  --card: #ffffff;
  --border: #dde8e7;
  --text: #13302f;
  --muted: #5e7573;
  --danger: #c4413a;
  --danger-soft: #fbe9e8;
  --warn: #9a6a09;
  --warn-soft: #fdf3d8;
  --blue: #2c6aa0;
  --blue-soft: #e4effa;
  --green: #227a45;
  --green-soft: #e1f4e8;
  --radius: 14px;
  --radius-sm: 10px;
  --shadow: 0 1px 2px rgba(15, 60, 60, .04), 0 6px 24px rgba(15, 60, 60, .06);
  --font: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, Arial, sans-serif;
}

* { box-sizing: border-box; }
html, body { margin: 0; }
body {
  font-family: var(--font);
  font-size: 15px;
  line-height: 1.45;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}
a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }
h1, h2, h3 { margin: 0; line-height: 1.2; }
h1 { font-size: 28px; font-weight: 700; }
h2 { font-size: 18px; font-weight: 600; }
h3 { font-size: 15px; font-weight: 600; }
button, input, select, textarea { font: inherit; color: inherit; }
:focus-visible { outline: 3px solid #5fd4c4; outline-offset: 2px; }
.muted { color: var(--muted); }
.small { font-size: 13px; }
.nowrap { white-space: nowrap; }
.right { text-align: right; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }
.skip-link { position: absolute; left: -999px; top: 8px; background: #fff; padding: 8px 12px; z-index: 100; border-radius: 8px; }
.skip-link:focus { left: 8px; }
.icon { width: 20px; height: 20px; flex: none; }

/* ---------- Каркас ---------- */
.layout { display: grid; grid-template-columns: 244px 1fr; min-height: 100vh; }
.sidebar {
  background: linear-gradient(180deg, var(--side-1), var(--side-2));
  color: var(--side-text);
  display: flex; flex-direction: column;
  padding: 18px 12px;
  position: sticky; top: 0; height: 100vh;
  z-index: 30;
}
.logo { display: flex; align-items: center; gap: 10px; color: #fff; font-weight: 700; font-size: 22px; padding: 4px 10px 18px; letter-spacing: -.3px; }
.logo:hover { text-decoration: none; }
.logo img { width: 34px; height: 34px; }
.sidebar hr { border: 0; border-top: 1px solid rgba(255, 255, 255, .12); margin: 10px 8px; }
.nav { display: flex; flex-direction: column; gap: 2px; }
.nav a {
  display: flex; align-items: center; gap: 12px;
  padding: 11px 14px; border-radius: 10px;
  color: var(--side-text); font-weight: 500; font-size: 14.5px;
}
.nav a:hover { background: rgba(255, 255, 255, .06); text-decoration: none; }
.nav a.active { background: var(--side-active); color: #fff; }
.nav .count { margin-left: auto; background: #2bb5a6; color: #fff; font-size: 12px; border-radius: 10px; padding: 0 7px; line-height: 20px; }
.side-bottom { margin-top: auto; }
.side-card {
  border-radius: 14px; padding: 16px; font-size: 13.5px; color: #cfe3e2;
  background: rgba(255, 255, 255, .06);
}
.side-card .icon { width: 30px; height: 30px; margin-bottom: 10px; color: #cfe3e2; }
.company-switch {
  display: flex; align-items: center; gap: 10px; padding: 12px; border-radius: 12px;
  background: rgba(255, 255, 255, .06); color: #fff; font-size: 13.5px;
}
.company-switch small { display: block; color: #a9c7c5; font-size: 12px; }
.company-switch button { margin-left: auto; background: none; border: 0; color: #cfe3e2; cursor: pointer; padding: 4px; border-radius: 6px; }
.company-switch button:hover { background: rgba(255,255,255,.1); }

.main { min-width: 0; display: flex; flex-direction: column; }
.topbar {
  display: flex; align-items: center; gap: 16px;
  padding: 14px 32px; background: rgba(242, 246, 246, .9);
  border-bottom: 1px solid var(--border);
  position: sticky; top: 0; z-index: 20; backdrop-filter: blur(6px);
}
.topbar h1 { font-size: 22px; }
.menu-btn { display: none; }
.search { position: relative; flex: 1; max-width: 540px; }
.search input, .search input[type=search] {
  width: 100%; height: 42px; border-radius: 10px; border: 1px solid var(--border);
  background: #fff; padding: 0 14px 0 42px; outline: none;
}
.search input:focus { border-color: var(--primary); }
.search > .icon { position: absolute; left: 13px; top: 11px; color: var(--muted); }
.search-results {
  position: absolute; top: 48px; left: 0; right: 0; background: #fff; border: 1px solid var(--border);
  border-radius: 12px; box-shadow: var(--shadow); padding: 6px; z-index: 40;
}
.search-results a { display: flex; gap: 10px; padding: 9px 10px; border-radius: 8px; color: var(--text); }
.search-results a:hover, .search-results a:focus { background: var(--primary-soft); text-decoration: none; }
.search-results .tag { font-size: 12px; color: var(--muted); min-width: 72px; }
.top-actions { margin-left: auto; display: flex; align-items: center; gap: 14px; }
.icon-btn {
  position: relative; width: 42px; height: 42px; border-radius: 50%; border: 0; background: transparent;
  display: grid; place-items: center; cursor: pointer; color: var(--text);
}
.icon-btn:hover { background: var(--primary-soft); }
.icon-btn .dot {
  position: absolute; top: 5px; right: 4px; min-width: 18px; height: 18px; border-radius: 9px;
  background: var(--primary); color: #fff; font-size: 11px; display: grid; place-items: center; padding: 0 4px;
}
.avatar {
  width: 40px; height: 40px; border-radius: 50%; background: var(--primary-soft-2); color: var(--primary-dark);
  display: grid; place-items: center; font-weight: 600; font-size: 14px;
}
.content { padding: 28px 32px 48px; flex: 1; }
.page-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 16px; margin-bottom: 22px; flex-wrap: wrap; }
.page-head p { margin: 6px 0 0; color: var(--muted); }
.crumbs { font-size: 13px; color: var(--muted); margin-bottom: 8px; }

/* ---------- Карточки ---------- */
.card { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); box-shadow: var(--shadow); padding: 22px; }
.card-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 16px; }
.card-head a { font-size: 13.5px; font-weight: 500; }
.grid { display: grid; gap: 18px; }
.g-2 { grid-template-columns: 1fr 1fr; }
.g-3 { grid-template-columns: repeat(3, 1fr); }
.g-4 { grid-template-columns: repeat(4, 1fr); }
.g-main { grid-template-columns: 1.15fr 1fr; }
.g-form { grid-template-columns: 360px 1fr; align-items: start; }
.stack { display: flex; flex-direction: column; gap: 18px; }

.stat { display: flex; align-items: center; gap: 16px; padding: 20px; }
.stat-icon { width: 48px; height: 48px; border-radius: 12px; background: var(--primary-soft); color: var(--primary); display: grid; place-items: center; flex: none; }
.stat-icon.star { color: #e3a600; background: #fdf4d9; }
.stat b { display: block; font-size: 26px; font-weight: 700; line-height: 1.1; }
.stat span { color: var(--muted); font-size: 13.5px; }

/* ---------- Таблицы ---------- */
.table-wrap { overflow-x: auto; margin: 0 -4px; }
table { width: 100%; border-collapse: collapse; font-size: 14px; }
th { text-align: left; font-weight: 500; color: var(--muted); font-size: 13px; padding: 10px 12px; border-bottom: 1px solid var(--border); white-space: nowrap; }
td { padding: 12px; border-bottom: 1px solid #edf3f2; vertical-align: middle; }
tr:last-child td { border-bottom: 0; }
tr.click { cursor: pointer; }
tr.click:hover td { background: #f6fbfa; }
.empty { text-align: center; padding: 40px 16px; color: var(--muted); }
.empty .icon { width: 40px; height: 40px; color: #a7c4c1; margin-bottom: 8px; }

/* ---------- Бейджи ---------- */
.badge { display: inline-flex; align-items: center; gap: 6px; padding: 4px 11px; border-radius: 20px; font-size: 12.5px; font-weight: 500; white-space: nowrap; }
.b-blue { background: var(--blue-soft); color: var(--blue); }
.b-teal { background: var(--primary-soft); color: var(--primary-dark); }
.b-green { background: var(--green-soft); color: var(--green); }
.b-warn { background: var(--warn-soft); color: var(--warn); }
.b-red { background: var(--danger-soft); color: var(--danger); }
.b-gray { background: #eef2f2; color: #5e7573; }
.match { background: var(--green-soft); color: var(--green); font-weight: 700; border-radius: 10px; padding: 7px 12px; text-align: center; font-size: 16px; min-width: 96px; white-space: nowrap; }
.match small { display: block; font-weight: 500; font-size: 11px; letter-spacing: .02em; }

/* ---------- Кнопки ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  height: 42px; padding: 0 18px; border-radius: 10px; border: 1px solid transparent;
  background: var(--primary); color: #fff; font-weight: 600; cursor: pointer; white-space: nowrap;
  transition: background .15s;
}
.btn:hover { background: var(--primary-dark); text-decoration: none; }
.btn:disabled { opacity: .55; cursor: not-allowed; }
.btn.lg { height: 50px; font-size: 16px; }
.btn.sm { height: 34px; padding: 0 14px; font-size: 13.5px; }
.btn.block { width: 100%; }
.btn.ghost { background: #fff; color: var(--primary-dark); border-color: var(--primary); }
.btn.ghost:hover { background: var(--primary-soft); }
.btn.light { background: var(--primary-soft); color: var(--primary-dark); }
.btn.light:hover { background: var(--primary-soft-2); }
.btn.danger { background: #fff; color: var(--danger); border-color: #efc4c1; }
.btn.danger:hover { background: var(--danger-soft); }
.btn-row { display: flex; gap: 10px; flex-wrap: wrap; }

/* ---------- Формы ---------- */
.field { display: flex; flex-direction: column; gap: 6px; margin-bottom: 16px; min-width: 0; }
.field > label, .label { font-weight: 600; font-size: 14px; }
.req { color: var(--danger); }
.control { position: relative; }
.control > .icon { position: absolute; left: 13px; top: 12px; color: #7d9391; pointer-events: none; }
.control.has-icon input, .control.has-icon select { padding-left: 42px; }
input[type=text], input[type=email], input[type=password], input[type=tel], input[type=number], input[type=date], input[type=search], select, textarea {
  width: 100%; height: 44px; border: 1px solid #d3e0df; border-radius: 10px; background: #fff;
  padding: 0 14px; outline: none; transition: border-color .15s, box-shadow .15s;
}
textarea { height: auto; min-height: 84px; padding: 10px 14px; resize: vertical; }
input:focus, select:focus, textarea:focus { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(23, 128, 122, .12); }
input::placeholder, textarea::placeholder { color: #93a6a4; }
.field.invalid input, .field.invalid select, .field.invalid textarea { border-color: var(--danger); }
.err { color: var(--danger); font-size: 12.5px; min-height: 0; }
.hint { color: var(--muted); font-size: 12.5px; }
.eye { position: absolute; right: 8px; top: 6px; width: 32px; height: 32px; border: 0; background: none; cursor: pointer; color: #66807d; border-radius: 6px; display: grid; place-items: center; }
.row { display: grid; gap: 14px; grid-template-columns: 1fr 1fr; }
.row-3 { display: grid; gap: 14px; grid-template-columns: 1fr 1fr 1fr; }
.row-q { display: grid; gap: 10px; grid-template-columns: 1fr 96px; }
.check { display: flex; gap: 10px; align-items: flex-start; font-size: 13.5px; cursor: pointer; }
.check input { width: 18px; height: 18px; accent-color: var(--primary); margin-top: 1px; flex: none; }
fieldset { border: 0; padding: 0; margin: 0 0 16px; min-width: 0; }
legend { font-weight: 600; font-size: 14px; margin-bottom: 8px; padding: 0; }
.section-title { font-size: 13px; text-transform: uppercase; letter-spacing: .06em; color: var(--muted); font-weight: 600; margin: 8px 0 12px; }

.roles { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.role-card {
  position: relative; display: block; border: 1.5px solid var(--border); border-radius: 12px; padding: 16px 16px 16px 50px;
  cursor: pointer; transition: border-color .15s, background .15s;
}
.role-card input { position: absolute; left: 16px; top: 18px; width: 20px; height: 20px; accent-color: var(--primary); }
.role-card .icon { color: var(--primary); width: 26px; height: 26px; margin-bottom: 6px; }
.role-card b { display: block; font-size: 16px; }
.role-card span { font-size: 13px; color: var(--muted); }
.role-card:has(input:checked) { border-color: var(--primary); background: var(--primary-soft); }

/* ---------- Публичные страницы и регистрация ---------- */
.public-top { display: flex; align-items: center; gap: 18px; padding: 14px 32px; }
.public-top .btn { margin-left: 0; }
.help-link { display: inline-flex; align-items: center; gap: 8px; color: var(--text); font-weight: 500; }
.auth-grid { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr); gap: 22px; padding: 6px 32px 40px; align-items: start; }
.auth-card { padding: 30px 32px; }
.auth-card h1 { margin-bottom: 8px; }
.auth-card .lead { color: var(--muted); margin: 0 0 24px; }
.promo {
  background: linear-gradient(160deg, #f4fbfa 0%, #e1f2ef 100%);
  border: 1px solid var(--border); border-radius: var(--radius); padding: 30px; position: sticky; top: 20px;
}
.promo h2 { font-size: 22px; font-weight: 700; margin-bottom: 10px; }
.promo > p { color: var(--muted); margin: 0 0 8px; }
.promo-illustration { width: 100%; max-width: 420px; margin: 6px auto 10px; display: block; }
.features { display: flex; flex-direction: column; }
.feature { display: flex; gap: 16px; padding: 14px 0; border-top: 1px solid #d2e5e2; }
.feature:first-child { border-top: 0; }
.feature .stat-icon { background: #fff; width: 46px; height: 46px; }
.feature p { margin: 2px 0 0; font-size: 13.5px; color: var(--muted); }
.demo-box { margin-top: 18px; padding: 14px 16px; border-radius: 12px; background: var(--primary-soft); font-size: 13.5px; }
.demo-box code { background: #fff; padding: 1px 6px; border-radius: 6px; font-size: 13px; }
.demo-box button { background: none; border: 0; padding: 0; color: var(--primary-dark); font-weight: 600; cursor: pointer; text-decoration: underline; }

.hero { padding: 36px; background: linear-gradient(135deg, #0f4a4c, #17807a); color: #fff; border-radius: var(--radius); }
.hero h1 { font-size: 32px; margin-bottom: 10px; }
.hero p { color: #d3ebe8; max-width: 640px; margin: 0 0 20px; font-size: 16px; }
.hero .btn { background: #fff; color: var(--primary-dark); }
.chain { display: grid; grid-template-columns: repeat(5, 1fr); gap: 12px; }
.chain .card { padding: 18px; }
.chain .num { width: 30px; height: 30px; border-radius: 50%; background: var(--primary); color: #fff; display: grid; place-items: center; font-weight: 700; margin-bottom: 10px; }
.price-card { display: flex; flex-direction: column; }
.price-card .price { font-size: 30px; font-weight: 700; margin: 10px 0; }
.price-card ul { padding-left: 18px; color: var(--muted); flex: 1; }
.price-card.featured { border: 2px solid var(--primary); }

/* ---------- Подбор поставщиков ---------- */
.stepper { display: flex; align-items: center; gap: 12px; margin-bottom: 22px; flex-wrap: wrap; }
.step { display: flex; align-items: center; gap: 10px; color: var(--muted); font-weight: 500; }
.step i { width: 30px; height: 30px; border-radius: 50%; display: grid; place-items: center; font-style: normal; font-weight: 600; background: #e3eceb; color: var(--muted); }
.step.done i, .step.active i { background: var(--primary); color: #fff; }
.step.active, .step.done { color: var(--text); }
.step-line { flex: 1; min-width: 30px; height: 2px; background: #dbe6e5; }
.step-line.done { background: var(--primary); }

.supplier-row {
  display: grid; grid-template-columns: 34px minmax(0, 1.4fr) minmax(0, 1fr) auto auto; gap: 16px; align-items: center;
  padding: 16px; border: 1px solid var(--border); border-radius: 12px; margin-bottom: 12px; background: #fff;
}
.supplier-row.selected { border-color: var(--primary); background: var(--primary-soft); }
.rank { width: 32px; height: 32px; border-radius: 50%; background: var(--primary); color: #fff; display: grid; place-items: center; font-weight: 700; }
.rank.r2 { background: #4a9b95; } .rank.r3 { background: #8a7b55; } .rank.rx { background: #9db2b0; }
.sup-name { font-weight: 600; display: flex; align-items: center; gap: 6px; }
.sup-name .icon { width: 17px; height: 17px; }
.verified { color: var(--primary); }
.stars { color: #e3a600; font-weight: 600; font-size: 13.5px; display: inline-flex; align-items: center; gap: 4px; }
.stars .icon { width: 15px; height: 15px; fill: #e3a600; stroke: #e3a600; }
.offer-terms b { font-size: 17px; }
.offer-terms div { font-size: 13px; color: var(--muted); }
.sort { display: flex; align-items: center; gap: 8px; }
.sort select { height: 36px; width: auto; font-size: 13.5px; }

/* ---------- Графики ---------- */
.chart svg { width: 100%; height: auto; display: block; }
.chart text { font-family: var(--font); fill: var(--muted); font-size: 12px; }
.donut-wrap { display: flex; align-items: center; gap: 24px; flex-wrap: wrap; }
.donut-wrap svg { width: 170px; height: 170px; flex: none; }
.legend { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 10px; font-size: 14px; flex: 1; min-width: 160px; }
.legend li { display: flex; align-items: center; gap: 10px; }
.legend i { width: 10px; height: 10px; border-radius: 50%; flex: none; }
.legend b { margin-left: auto; font-weight: 600; }
.bars-h { display: flex; flex-direction: column; gap: 12px; }
.bar-h { display: grid; grid-template-columns: 160px 1fr 110px; gap: 12px; align-items: center; font-size: 14px; }
.bar-h .track { height: 10px; border-radius: 6px; background: #e8f0ef; overflow: hidden; }
.bar-h .fill { height: 100%; border-radius: 6px; background: var(--primary); }

/* ---------- Сделка ---------- */
.pipeline { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; margin-bottom: 4px; }
.pipe { padding: 12px 14px; border-radius: 10px; background: #eef4f3; color: var(--muted); font-weight: 500; font-size: 13.5px; display: flex; gap: 8px; align-items: center; }
.pipe.done { background: var(--primary-soft); color: var(--primary-dark); }
.pipe.current { background: var(--primary); color: #fff; }
.pipe .icon { width: 17px; height: 17px; }
.kv { display: grid; grid-template-columns: 170px 1fr; gap: 10px 16px; font-size: 14px; margin: 0; }
.kv dt { color: var(--muted); }
.kv dd { margin: 0; font-weight: 500; }
.timeline { list-style: none; margin: 0; padding: 0; }
.timeline li { position: relative; padding: 0 0 18px 28px; }
.timeline li::before { content: ''; position: absolute; left: 6px; top: 6px; width: 10px; height: 10px; border-radius: 50%; background: var(--primary); }
.timeline li::after { content: ''; position: absolute; left: 10px; top: 20px; bottom: 0; width: 2px; background: #dbe6e5; }
.timeline li:last-child::after { display: none; }
.timeline li.dispute::before { background: var(--danger); }
.timeline .when { font-size: 12.5px; color: var(--muted); }
.alert { padding: 12px 16px; border-radius: 10px; font-size: 14px; display: flex; gap: 10px; align-items: flex-start; }
.alert .icon { margin-top: 1px; }
.alert.warn { background: var(--warn-soft); color: #6d4c06; }
.alert.danger { background: var(--danger-soft); color: #8d2b25; }
.alert.info { background: var(--primary-soft); color: var(--primary-dark); }

/* ---------- Уведомления ---------- */
.notif { display: flex; gap: 14px; padding: 14px 4px; border-bottom: 1px solid #edf3f2; align-items: flex-start; }
.notif:last-child { border-bottom: 0; }
.notif.unread { background: linear-gradient(90deg, var(--primary-soft), transparent 60%); border-radius: 10px; padding-left: 12px; }
.notif .stat-icon { width: 38px; height: 38px; }
.notif p { margin: 0; }

/* ---------- Админка ---------- */
.tabs { display: flex; gap: 6px; flex-wrap: wrap; margin-bottom: 18px; }
.tab { border: 1px solid var(--border); background: #fff; border-radius: 10px; padding: 8px 14px; cursor: pointer; font-weight: 500; font-size: 14px; }
.tab.active { background: var(--primary); color: #fff; border-color: var(--primary); }
.tab small { opacity: .7; margin-left: 4px; }
.admin-table td { max-width: 260px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.toolbar { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; margin-bottom: 14px; }
.toolbar input { max-width: 320px; height: 38px; }

/* ---------- Модальное окно ---------- */
.modal-bg { position: fixed; inset: 0; background: rgba(8, 30, 30, .45); display: grid; place-items: center; z-index: 60; padding: 16px; }
.modal { background: #fff; border-radius: 16px; width: 100%; max-width: 560px; max-height: 90vh; overflow: auto; padding: 24px; box-shadow: 0 20px 60px rgba(0,0,0,.2); }
.modal .card-head { margin-bottom: 18px; }
.modal-close { border: 0; background: none; cursor: pointer; width: 34px; height: 34px; border-radius: 8px; display: grid; place-items: center; }
.modal-close:hover { background: #eef4f3; }

/* ---------- Уведомления-тосты ---------- */
.toasts { position: fixed; right: 20px; bottom: 20px; display: flex; flex-direction: column; gap: 10px; z-index: 80; }
.toast { background: var(--text); color: #fff; padding: 12px 16px; border-radius: 10px; box-shadow: var(--shadow); max-width: 360px; font-size: 14px; animation: in .2s ease; }
.toast.error { background: var(--danger); }
@keyframes in { from { transform: translateY(10px); opacity: 0; } }

/* ---------- Плашка «учебная версия» ---------- */
.edu-banner {
  position: fixed; left: 50%; bottom: 20px; transform: translateX(-50%); z-index: 90;
  width: min(760px, calc(100% - 32px));
  background: #fff; border: 1px solid var(--border); border-radius: 16px; box-shadow: 0 16px 50px rgba(8, 40, 40, .2);
  padding: 18px 20px; display: flex; gap: 16px; align-items: center;
  animation: in .25s ease;
}
.edu-banner .stat-icon { background: var(--warn-soft); color: var(--warn); }
.edu-banner p { margin: 4px 0 0; color: var(--muted); font-size: 14px; }
.edu-banner .btn { margin-left: auto; }
.edu-ribbon { background: var(--warn-soft); color: #6d4c06; text-align: center; font-size: 12.5px; padding: 5px 12px; }

.loader { display: grid; place-items: center; padding: 60px; color: var(--muted); }
.spin { width: 28px; height: 28px; border: 3px solid var(--primary-soft-2); border-top-color: var(--primary); border-radius: 50%; animation: spin .8s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }
.overlay { position: fixed; inset: 0; background: rgba(8, 30, 30, .4); z-index: 25; display: none; }

/* ---------- Адаптив ---------- */
@media (max-width: 1200px) {
  .g-4 { grid-template-columns: 1fr 1fr; }
  .g-form { grid-template-columns: 1fr; }
  .chain { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 1000px) {
  .auth-grid, .g-main, .g-2, .g-3 { grid-template-columns: 1fr; }
  .promo { position: static; }
}
@media (max-width: 900px) {
  .layout { grid-template-columns: 1fr; }
  .sidebar { position: fixed; left: 0; top: 0; width: 264px; transform: translateX(-100%); transition: transform .2s; }
  body.menu-open .sidebar { transform: none; }
  body.menu-open .overlay { display: block; }
  .menu-btn { display: grid; }
  .topbar, .public-top { padding: 12px 16px; gap: 10px; }
  .topbar h1 { display: none; }
  .content { padding: 20px 16px 40px; }
  .auth-grid { padding: 4px 16px 32px; }
  .auth-card { padding: 22px 18px; }
  .help-link span { display: none; }
}
@media (max-width: 640px) {
  h1 { font-size: 23px; }
  .g-4, .row, .row-3, .roles, .chain, .pipeline { grid-template-columns: 1fr; }
  .kv { grid-template-columns: 1fr; gap: 2px 0; }
  .kv dd { margin-bottom: 8px; }
  .bar-h { grid-template-columns: 1fr; gap: 4px; }
  .edu-banner { flex-wrap: wrap; bottom: 12px; }
  .edu-banner .btn { margin-left: 0; width: 100%; }
  .search { max-width: none; }
  .hero { padding: 24px; }
  .hero h1 { font-size: 25px; }
}

/* ===================== Шрифты заголовков ===================== */
:root { --font-head: 'Manrope', 'Inter', system-ui, sans-serif; }
h1, h2, .logo, .stat b, .hero h1, .promo h2, .price-card .price, .match, .rank { font-family: var(--font-head); }
h1 { font-weight: 800; letter-spacing: -.5px; }
h2 { font-weight: 700; letter-spacing: -.2px; }
.stat b { font-weight: 800; letter-spacing: -.5px; }

/* ===================== Кнопка закрытия меню ===================== */
.menu-close { display: none; position: absolute; right: 10px; top: 14px; color: #cfe3e2; }
.menu-close:hover { background: rgba(255, 255, 255, .1); }
@media (max-width: 900px) { .menu-close { display: grid; } }

/* ===================== Аватарки компаний ===================== */
.co-avatar {
  display: inline-grid; place-items: center; flex: none; border-radius: 30%;
  background: var(--av-bg); color: var(--av-fg); font-family: var(--font-head); font-weight: 800; letter-spacing: -.3px;
  box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--av-fg) 18%, transparent);
}
.co { display: inline-flex; align-items: center; gap: 10px; min-width: 0; }
.co-text { min-width: 0; }
.co-lg { gap: 18px; }
.co-lg .co-avatar { border-radius: 18px; }
.sup-name .co-avatar { margin-right: 4px; }
.company-switch .co-avatar { box-shadow: none; background: rgba(255, 255, 255, .14); color: #fff; }

/* ===================== Пустые состояния ===================== */
.empty { text-align: center; padding: 28px 16px 32px; color: var(--muted); }
.empty-art { width: 180px; height: auto; display: block; margin: 0 auto 10px; }
.empty h3 { color: var(--text); font-family: var(--font-head); font-size: 17px; margin-bottom: 6px; }
.empty p { margin: 0 auto; max-width: 380px; font-size: 14px; }
.empty .btn { margin-top: 16px; }

/* ===================== Подсказки графиков ===================== */
.chart-tip {
  position: fixed; z-index: 95; pointer-events: none; min-width: 140px;
  background: #0f3536; color: #fff; border-radius: 10px; padding: 9px 12px; font-size: 13px;
  box-shadow: 0 10px 30px rgba(8, 40, 40, .25);
}
.chart-tip .tip-label { color: #a9cfcb; font-size: 12px; }
.chart-tip .tip-value { font-family: var(--font-head); font-weight: 800; font-size: 16px; }
.chart-tip .tip-sub { color: #cfe3e2; font-size: 12px; margin-top: 2px; }
.chart .bar { cursor: pointer; outline: none; }
.chart .bar-fill { transition: opacity .15s, filter .15s; }
.chart .bar:hover .bar-fill, .chart .bar:focus .bar-fill { filter: brightness(1.12) saturate(1.2); }
.chart:has(.bar:hover) .bar:not(:hover) .bar-fill { opacity: .45; }
.chart .bar:hover .bar-hit { fill: rgba(23, 128, 122, .05); }
.donut-wrap .arc { cursor: pointer; transition: stroke-width .15s; outline: none; }
.donut-wrap .arc:hover, .donut-wrap .arc:focus { stroke-width: 32; }
.legend li { cursor: default; border-radius: 6px; padding: 2px 4px; margin: -2px -4px; }
.legend li:hover { background: var(--primary-soft); }
.bar-h { cursor: default; border-radius: 8px; padding: 4px 6px; margin: -4px -6px; }
.bar-h:hover { background: #f4faf9; }

/* ===================== Строка поставщика: перестройка по ширине карточки ===================== */
#offers { container-type: inline-size; }
.supplier-row { grid-template-areas: "rank info terms match pick"; }
.supplier-row > .rank { grid-area: rank; }
.supplier-row > .sup-info { grid-area: info; min-width: 0; }
.supplier-row > .offer-terms { grid-area: terms; }
.supplier-row > .match { grid-area: match; }
.supplier-row > .pick { grid-area: pick; }
.sup-name { flex-wrap: nowrap; min-width: 0; }
.sup-name a { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; min-width: 0; }
@container (max-width: 720px) {
  .supplier-row {
    grid-template-columns: 34px minmax(0, 1fr) auto;
    grid-template-areas: "rank info match" "rank terms pick";
    row-gap: 12px;
  }
  .supplier-row > .rank { align-self: start; }
  .supplier-row > .pick { align-self: end; }
  .supplier-row > .offer-terms { display: flex; flex-wrap: wrap; gap: 2px 14px; align-items: baseline; }
  .supplier-row > .offer-terms b { width: 100%; }
}
@container (max-width: 420px) {
  .supplier-row { grid-template-columns: 34px minmax(0, 1fr); grid-template-areas: "rank info" "rank match" "rank terms" "rank pick"; }
  .supplier-row > .match { justify-self: start; }
  .supplier-row > .pick .btn { width: 100%; }
}

/* Кнопка меню только на узких экранах (перебивает display у .icon-btn) */
.icon-btn.menu-btn { display: none; }
@media (max-width: 900px) { .icon-btn.menu-btn { display: grid; } }