:root{--bg:#eef3f9;--surface:#fff;--line:#d7e2ef;--line-dark:#bfd1e7;--text:#172235;--muted:#617389;--brand:#0a73c9;--brand-2:#0056a6;--brand-soft:#e7f3ff;--ok:#ecf9f1;--warn:#fff6df;--bad:#fdeeee;--shadow:0 10px 30px rgba(14,32,56,.06)}*{box-sizing:border-box}html,body{margin:0;padding:0}body{background:var(--bg);color:var(--text);font:15px/1.48 Inter,Segoe UI,Arial,sans-serif}a{color:var(--brand);text-decoration:none}a:hover{text-decoration:underline}.app-shell{max-width:1540px;margin:0 auto;padding:16px 18px 40px}.app-header{display:grid;grid-template-columns:auto 1fr auto;gap:18px;align-items:center;margin-bottom:12px}.brand-box{display:flex;align-items:center;gap:14px}.brand-logo{display:inline-flex;align-items:center;justify-content:center;width:52px;height:52px;border-radius:16px;background:linear-gradient(135deg,#0a73c9,#0056a6);color:#fff;font-weight:800;font-size:18px;text-decoration:none}.brand-title{font-size:20px;font-weight:800}.brand-subtitle{color:var(--muted);font-size:13px}.top-nav{display:flex;flex-wrap:wrap;gap:10px 16px}.top-nav a{padding:8px 12px;border-radius:999px;border:1px solid var(--line);background:rgba(255,255,255,.75)}.header-actions{display:flex;gap:12px;justify-content:flex-end}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:12px;border:1px solid var(--line-dark);padding:10px 14px;font-weight:700;background:#fff;color:var(--text);cursor:pointer;text-decoration:none}.btn:hover{text-decoration:none}.btn-primary{background:linear-gradient(135deg,var(--brand),var(--brand-2));border-color:transparent;color:#fff}.btn-light{background:#fff}.btn-sm{padding:8px 11px;border-radius:10px;font-size:13px}.breadcrumbs{display:flex;flex-wrap:wrap;gap:8px;color:var(--muted);font-size:13px;margin:4px 0 14px}.breadcrumbs .sep{color:#98a9bb}.hero-card,.panel,.material-card,.subcard,.compare-tray{background:var(--surface);border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow)}.hero-card{padding:22px 24px;margin-bottom:16px}.hero-top{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:16px;align-items:start}.hero-kicker,.card-kicker{margin:0 0 8px;color:var(--brand);font-size:12px;font-weight:800;letter-spacing:.03em;text-transform:uppercase}.hero-card h1{margin:0 0 8px;font-size:34px;line-height:1.12}.hero-lead{margin:0;color:var(--muted);max-width:980px}.hero-actions,.card-actions,.link-row,.footer-links{display:flex;flex-wrap:wrap;gap:10px 12px;align-items:center}.hero-actions{margin-top:16px}.hero-stat{min-width:140px;padding:14px 16px;border-radius:16px;background:var(--brand-soft);border:1px solid #b7d8fb}.hero-stat span{display:block;color:var(--muted);font-size:12px}.hero-stat strong{display:block;margin-top:4px;font-size:24px}.badge-row{display:flex;flex-wrap:wrap;gap:8px;margin:12px 0 0}.badge{display:inline-flex;align-items:center;padding:6px 10px;border-radius:999px;border:1px solid var(--line-dark);background:#fff;font-size:12px;font-weight:600}.badge-brand{background:var(--brand-soft);border-color:#afd3f8;color:#0a5caa}.main-grid{display:grid;grid-template-columns:320px minmax(0,1fr);gap:16px;align-items:start}.side-col{position:relative}.content-col{display:flex;flex-direction:column;gap:16px}.panel{overflow:hidden}.panel-head{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:16px 18px;border-bottom:1px solid var(--line)}.panel-head h2{margin:0;font-size:18px}.panel-body{padding:18px}.filter-form{display:grid;gap:12px}.filter-form label{display:grid;gap:6px;font-size:13px;font-weight:600;color:var(--muted)}.filter-form input,.filter-form select{width:100%;border:1px solid var(--line-dark);border-radius:12px;padding:10px 12px;font:inherit;background:#fff;color:var(--text)}.numeric-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.check-line{display:flex !important;align-items:center;gap:10px;font-weight:600}.material-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(310px,1fr));gap:14px}.compact-grid{grid-template-columns:repeat(auto-fill,minmax(260px,1fr))}.material-card{padding:16px}.material-card.compact{padding:14px}.material-card-head{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:12px;align-items:start}.material-card h3{margin:0 0 4px;font-size:22px;line-height:1.14}.quality-chip{display:inline-flex;align-items:center;justify-content:center;min-width:36px;height:36px;padding:0 10px;border-radius:999px;background:var(--brand-soft);border:1px solid #b9d7f8;font-weight:800}.card-metrics{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px 14px;margin:12px 0}.card-metrics div{display:grid;gap:2px}.card-metrics span{color:var(--muted);font-size:12px}.card-metrics strong{font-size:15px}.card-summary{margin:0 0 14px;color:var(--muted)}.muted{color:var(--muted)}.empty-note{padding:14px 16px;border-radius:14px;background:#f8fbff;border:1px dashed var(--line-dark);color:var(--muted)}.warning-box{padding:14px 16px;border-radius:14px;background:var(--warn);border:1px solid #f2dfae}.tabs{display:flex;flex-wrap:wrap;gap:10px}.tab{border:1px solid var(--line-dark);border-radius:999px;padding:10px 14px;background:#fff;font-weight:700;cursor:pointer}.tab.is-active{background:var(--brand-soft);border-color:#97c6f2;color:#09508d}.tab-panel{display:none;flex-direction:column;gap:16px}.tab-panel.is-active{display:flex}.table-wrap{overflow:auto}.data-table{width:100%;border-collapse:collapse;min-width:560px}.data-table th,.data-table td{padding:11px 12px;border-bottom:1px solid var(--line);vertical-align:top;text-align:left}.data-table th{font-size:13px;color:var(--muted);background:#f8fbff}.bullet-list{margin:0;padding-left:18px;display:grid;gap:8px}.subcard{padding:16px}.subcard h3{margin:0 0 12px;font-size:16px}.cards-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.stats-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px}.stats-grid div{padding:16px;border-radius:16px;background:#f8fbff;border:1px solid var(--line-dark)}.stats-grid span{display:block;color:var(--muted);font-size:12px}.stats-grid strong{display:block;margin-top:6px;font-size:26px}.metric-row{display:grid;grid-template-columns:120px minmax(0,1fr) 90px;gap:10px;align-items:center;margin:8px 0}.metric-label,.dual-label{font-size:13px;color:var(--muted)}.metric-bar{height:10px;border-radius:999px;background:#edf3f9;overflow:hidden;border:1px solid var(--line)}.metric-bar span{display:block;height:100%;background:linear-gradient(90deg,var(--brand),#31a0ff)}.metric-value{text-align:right;font-weight:700}.dual-bar{display:grid;gap:12px}.site-footer{margin-top:24px}.footer-inner{display:flex;justify-content:space-between;gap:16px;align-items:center;padding:18px 20px;border:1px solid var(--line);border-radius:18px;background:#fff;box-shadow:var(--shadow)}.compare-tray{display:none;position:sticky;top:12px;z-index:30;padding:12px 14px;margin-bottom:12px}.compare-tray.is-visible{display:block}.compare-tray-inner{display:flex;flex-wrap:wrap;align-items:center;gap:10px}.tray-list{display:flex;flex-wrap:wrap;gap:8px}.tray-item{display:inline-flex;align-items:center;gap:8px;padding:6px 10px;border-radius:999px;background:var(--brand-soft);border:1px solid #b8d7f7}.tray-remove{appearance:none;border:none;background:transparent;cursor:pointer;font-size:14px;color:#8a2d2d}.results-meta{font-size:13px;color:var(--muted)}@media (max-width:1200px){.main-grid{grid-template-columns:1fr}.top-nav{display:none}.hero-top{grid-template-columns:1fr}.cards-2,.stats-grid{grid-template-columns:1fr 1fr}}@media (max-width:760px){.app-shell{padding:12px}.app-header{grid-template-columns:1fr;gap:12px}.header-actions{justify-content:flex-start}.material-grid,.compact-grid,.cards-2,.stats-grid,.numeric-grid{grid-template-columns:1fr}.hero-card h1{font-size:28px}.data-table{min-width:0}.data-table thead{display:none}.data-table tr{display:grid;border-bottom:1px solid var(--line)}.data-table td{display:grid;grid-template-columns:120px 1fr}.data-table td::before{content:attr(data-label)}}

/* Stage 3E desktop parity overrides */
.app-shell{max-width:1660px;padding:12px 22px 28px}
.app-header{margin-bottom:8px}
.top-nav a{padding:7px 11px}
.hero-card{padding:18px 22px;margin-bottom:12px}
.hero-card h1{font-size:30px}
.hero-lead{max-width:none}
.main-grid.has-sidebar{grid-template-columns:320px minmax(0,1fr)}
.main-grid.no-sidebar{grid-template-columns:minmax(0,1fr)}
.content-col{gap:12px}
.panel-head{padding:12px 16px}.panel-body{padding:14px 16px}
.compact-panel{padding:10px 14px !important}
.catalog-toolbar{display:grid;gap:12px}
.search-row{display:block}.catalog-search{width:100%;border:1px solid var(--line-dark);border-radius:14px;padding:12px 14px;font:inherit;background:#fff;color:var(--text)}
.filter-row{display:grid;gap:10px}.filter-row.top{grid-template-columns:repeat(8,minmax(0,1fr))}.filter-row.numeric{grid-template-columns:repeat(8,minmax(0,1fr))}
.filter-row select,.filter-row input{width:100%;border:1px solid var(--line-dark);border-radius:12px;padding:10px 12px;font:inherit;background:#fff;color:var(--text)}
.selection-strip{display:grid;grid-template-columns:auto 1fr;gap:14px;align-items:center;padding:14px 16px;border:1px solid var(--line);border-radius:16px;background:#f8fbff}
.selection-copy{display:grid;gap:4px}.selection-copy span{color:var(--muted);font-size:14px}
.selection-controls{display:grid;grid-template-columns:repeat(7,minmax(0,1fr));gap:10px}
.catalog-panel .panel-head{padding:10px 16px}.catalog-panel .panel-body{padding:12px}
.material-grid-desktop{grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:12px}
.material-card{padding:14px;border-radius:16px}.material-card h3{font-size:20px}.card-summary{display:-webkit-box;-webkit-line-clamp:6;-webkit-box-orient:vertical;overflow:hidden;margin-bottom:10px}.card-actions{gap:8px}.card-metrics{margin:10px 0;gap:8px 12px}
.desktop-summary-grid{display:grid;grid-template-columns:360px minmax(0,1fr);gap:16px;align-items:start}
.desktop-side-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
.desktop-score-card{padding:18px;border-radius:18px;border:1px solid var(--line);background:#fbfdff}.desktop-score-head{display:flex;justify-content:space-between;gap:12px;align-items:start}.desktop-score-main{display:flex;flex-wrap:wrap;gap:8px;margin:10px 0 12px}.score-chip{display:inline-flex;align-items:center;padding:6px 10px;border-radius:999px;border:1px solid var(--line-dark);background:#fff;font-size:12px;font-weight:700}.score-chip.quality-a{background:#ecf9f1}.score-chip.quality-b{background:#eef6ff}.score-chip.quality-c{background:#fff6df}
.desktop-tabs{display:flex;flex-wrap:wrap;gap:8px;margin-top:2px}
.page-material .hero-card,.page-gost .hero-card,.page-analogs .hero-card,.page-compare .hero-card{margin-bottom:10px}
.page-material .tab-panel,.page-gost .tab-panel,.page-analogs .tab-panel{gap:12px}
.table-wrap{overflow-x:auto;overflow-y:hidden}.data-table{min-width:0;width:100%;table-layout:fixed}.data-table th,.data-table td{padding:10px 12px;word-break:break-word;overflow-wrap:anywhere}
.raw-table summary{cursor:pointer;font-weight:700;padding:10px 0}.raw-table[open] summary{margin-bottom:8px}
.site-footer{margin-top:18px}.footer-inner{padding:14px 18px}
.compare-root .main-grid.has-sidebar,.page-compare .main-grid.has-sidebar{grid-template-columns:340px minmax(0,1fr)}
@media (max-width:1500px){.filter-row.top,.filter-row.numeric{grid-template-columns:repeat(4,minmax(0,1fr))}.selection-strip{grid-template-columns:1fr}.selection-controls{grid-template-columns:repeat(3,minmax(0,1fr))}.desktop-summary-grid{grid-template-columns:1fr}.desktop-side-grid{grid-template-columns:1fr 1fr}}
@media (max-width:1100px){.desktop-side-grid{grid-template-columns:1fr}.selection-controls{grid-template-columns:repeat(2,minmax(0,1fr))}.material-grid-desktop{grid-template-columns:repeat(auto-fill,minmax(260px,1fr))}}
@media (max-width:760px){.app-shell{padding:10px}.filter-row.top,.filter-row.numeric,.selection-controls,.desktop-summary-grid,.desktop-side-grid{grid-template-columns:1fr}.selection-strip{padding:12px}.material-grid-desktop{grid-template-columns:1fr}.desktop-score-card{padding:14px}.table-wrap{overflow:auto}.data-table{table-layout:auto}}

.filter-chip-static{display:flex;align-items:center;min-height:44px;padding:10px 12px;border:1px solid var(--line-dark);border-radius:12px;background:#f8fbff;font-weight:700;color:var(--text)}
.catalog-screen-title{display:block;margin-bottom:10px}
.results-meta{font-size:12px}
.material-card{padding:12px}
.material-card .btn-sm{padding:7px 10px}
.card-summary{font-size:13px;line-height:1.45}
.notes-compact .bullet-list{gap:6px}
.compare-tray{padding:10px 12px}

.catalog-screen-title h1{margin:0 0 4px;font-size:28px}.catalog-kicker{margin:0 0 6px;color:var(--brand);font-size:12px;font-weight:800;letter-spacing:.03em;text-transform:uppercase}