/* ============================================================
   OpticTrend — НОВЫЙ ХЕДЕР (порт прототипа docs/header/header_full_menu_v2.html)
   Грузится ТОЛЬКО когда активен новый хедер (флаг ?nh=1 / .new_header_on / константа).
   ВАЖНО: глобальные ресеты прототипа (* , html, body{font/bg}) НЕ переносим — они бы
   перекрасили весь сайт. CSS-переменные и box-sizing заскоуплены на компоненты хедера.
   ============================================================ */

/* Переменные — только в пределах компонентов хедера (без утечки в :root/сайт) */
.topstrip, .header-main, .nav-main, .drawer {
  --bg: #f3f3f3;
  --surface: #ffffff;
  --text: #1a1a1a;
  --text-muted: #6b6b6b;
  --text-soft: #8a8a8a;
  --accent: #1a1a1a;
  --border: #e5e5e5;
  --border-soft: #efefef;
  --hover: #f5f5f5;
  --ai-accent: #1c3d6e;
  --ai-bg: #eef4ff;
  --tryon-accent: #1c3d6e;
  --error: #c63131;
  --sale: #c63131;
  --popular-bg: #fff7e8;
  --popular-text: #8a5e15;
}
.topstrip *, .header-main *, .nav-main *, .drawer * { box-sizing: border-box; -webkit-tap-highlight-color: transparent; }
body.menu-open { overflow: hidden; }

/* ============ TOPSTRIP ============ */
.topstrip { background: #1a1a1a; color: rgba(255,255,255,0.8); font-size: 12px; font-family: -apple-system, BlinkMacSystemFont, "Helvetica Neue", Arial, sans-serif; }
.topstrip-inner { max-width: 1400px; margin: 0 auto; padding: 8px 24px; display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
.topstrip-left, .topstrip-right { display: flex; align-items: center; gap: 18px; flex-wrap: wrap; }
.topstrip a { color: rgba(255,255,255,0.8); text-decoration: none; cursor: pointer; white-space: nowrap; }
.topstrip a:hover { color: #fff; }
.topstrip svg { width: 13px; height: 13px; vertical-align: -2px; margin-right: 4px; }
.topstrip .stars { color: #ffc933; letter-spacing: 1px; font-size: 11px; margin-right: 4px; }
@media (max-width: 999px) {
  .topstrip-inner { padding: 6px 16px; justify-content: center; }
  .topstrip-right { display: none; }
}
@media (max-width: 600px) { .topstrip { display: none; } }

/* ============ HEADER ============ */
.header-main { background: #fff; border-bottom: 1px solid var(--border); position: sticky; top: 0; z-index: 100; font-family: -apple-system, BlinkMacSystemFont, "Helvetica Neue", Arial, sans-serif; }
.header-main-inner { max-width: 1400px; margin: 0 auto; padding: 0 24px; height: 64px; display: flex; align-items: center; gap: 20px; }
.header-main .burger-btn { display: none; background: none; border: none; cursor: pointer; padding: 6px; color: var(--text); flex-shrink: 0; }
.header-main .burger-btn svg { width: 24px; height: 24px; display: block; }
.header-main .logo-block { display: flex; align-items: center; gap: 10px; text-decoration: none; color: var(--text); flex-shrink: 0; }
.header-main .logo-eye { width: 44px; height: auto; flex-shrink: 0; display: block; }
.header-main .logo-text-name { font-size: 17px; font-weight: 700; letter-spacing: -0.4px; display: block; line-height: 1; }
.header-main .logo-text-sub { font-size: 9px; color: var(--text-muted); letter-spacing: 0.5px; text-transform: lowercase; margin-top: 3px; display: block; }

.header-main .search-bar { flex: 1; max-width: 520px; margin: 0 auto; background: var(--bg); border: 1.5px solid transparent; border-radius: 22px; padding: 10px 16px 10px 42px; font-size: 13.5px; color: var(--text-muted); cursor: pointer; position: relative; transition: border-color 0.15s, background 0.15s; display: flex; align-items: center; gap: 8px; min-width: 0; }
.header-main .search-bar:hover { border-color: var(--border); background: #fff; }
.header-main .search-bar .search-icon { position: absolute; left: 14px; top: 50%; transform: translateY(-50%); width: 17px; height: 17px; color: var(--text-soft); }
.header-main .search-bar .search-placeholder { flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.header-main .ai-badge { background: linear-gradient(135deg, var(--ai-accent), #2a5a96); color: #fff; font-size: 10px; font-weight: 700; padding: 2px 7px; border-radius: 10px; letter-spacing: 0.5px; flex-shrink: 0; display: inline-flex; align-items: center; gap: 4px; }
.header-main .ai-badge svg { width: 10px; height: 10px; }

.header-main .actions { display: flex; align-items: center; gap: 2px; flex-shrink: 0; }
.header-main .icon-btn { background: none; border: none; cursor: pointer; display: flex; flex-direction: column; align-items: center; gap: 2px; color: var(--text); padding: 6px 10px; border-radius: 8px; position: relative; font-family: inherit; font-size: 10.5px; font-weight: 500; transition: background 0.1s; min-width: 54px; text-decoration: none; }
.header-main .icon-btn:hover { background: var(--hover); }
.header-main .icon-btn svg { width: 20px; height: 20px; }
.header-main .icon-btn .badge { position: absolute; top: 2px; right: 6px; background: #1a1a1a; color: #fff; border-radius: 9px; min-width: 17px; height: 17px; padding: 0 4px; display: flex; align-items: center; justify-content: center; font-size: 10px; font-weight: 700; }
.header-main .icon-btn .badge:empty { display: none; }
.header-main .icon-btn.tryon-btn .badge { background: var(--tryon-accent); }

/* ============ NAV-MAIN ============ */
.nav-main { background: #fff; border-bottom: 1px solid var(--border); position: sticky; top: 64px; z-index: 90; font-family: -apple-system, BlinkMacSystemFont, "Helvetica Neue", Arial, sans-serif; }
.nav-main-inner { max-width: 1400px; margin: 0 auto; padding: 0 24px; display: flex; align-items: center; gap: 32px; height: 46px; position: relative; }
.nav-main .menu-item { height: 100%; display: flex; align-items: center; }
.nav-main .menu-trigger { color: var(--text); text-decoration: none; font-size: 13.5px; font-weight: 500; padding: 14px 0; border-bottom: 2px solid transparent; cursor: pointer; white-space: nowrap; background: none; border-top: none; border-left: none; border-right: none; font-family: inherit; transition: border-color 0.15s; }
.nav-main .menu-item:hover .menu-trigger, .nav-main .menu-item.active .menu-trigger { border-bottom-color: var(--text); }
.nav-main .menu-item.sale .menu-trigger { color: var(--sale); }
.nav-main .menu-item.sale:hover .menu-trigger { border-bottom-color: var(--sale); }

/* ============ MEGAMENU ============ */
.megamenu { position: absolute; top: 100%; left: 0; right: 0; background: #fff; border-bottom: 1px solid var(--border); box-shadow: 0 12px 24px rgba(0,0,0,0.08); z-index: 95; display: none; }
.megamenu.open { display: block; }
.megamenu-inner { max-width: 1400px; margin: 0 auto; padding: 0; }
.mega-grid { display: grid; grid-template-columns: 240px 220px 1fr; min-height: 420px; }
.mega-col-1, .mega-col-2 { padding: 22px 20px 22px 32px; border-right: 1px solid var(--border-soft); }
.mega-col-3 { padding: 22px 32px 22px 24px; }
.mega-col h4 { font-size: 11px; color: var(--text-soft); text-transform: uppercase; letter-spacing: 0.5px; font-weight: 600; margin: 0 0 12px; }
.mega-col ul { list-style: none; padding: 0; margin: 0; }
.mega-col-1 li, .mega-col-2 li { padding: 0; }
.mega-col-1 a, .mega-col-2 a { color: var(--text); text-decoration: none; font-size: 13.5px; cursor: pointer; display: flex; align-items: center; justify-content: space-between; padding: 7px 10px 7px 8px; margin: 0 -8px; border-radius: 6px; transition: background 0.1s; }
.mega-col-1 a:hover, .mega-col-2 a:hover { background: var(--hover); }
.mega-col-1 a.smart { color: var(--ai-accent); font-weight: 600; }
.mega-col-1 a.sale-link { color: var(--sale); font-weight: 500; }
.mega-col-2 a.active { background: #1a1a1a; color: #fff; }
.mega-col-2 a .chevron { color: var(--text-soft); flex-shrink: 0; width: 14px; height: 14px; opacity: 0.6; }
.mega-col-2 a.active .chevron { color: #fff; opacity: 1; }
.mega-col-3 { background: #fafafa; position: relative; overflow: hidden; }
.mega-col-3-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 14px; }
.mega-col-3-title { font-size: 15px; font-weight: 600; margin: 0; }
.mega-col-3-all { font-size: 12.5px; color: var(--ai-accent); text-decoration: none; font-weight: 500; }
.mega-col-3-all:hover { text-decoration: underline; }
.mega-panels { position: relative; }
.mega-panel { display: none; }
.mega-panel.active { display: block; }
.mega-items-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 4px 16px; }
.mega-items-grid.cols-3 { grid-template-columns: repeat(3, 1fr); }
.mega-items-grid.cols-2 { grid-template-columns: repeat(2, 1fr); }
.mega-items-grid.cols-1 { grid-template-columns: 1fr; }
.mega-items-grid a { color: var(--text); text-decoration: none; font-size: 13px; padding: 5px 0; display: flex; align-items: center; gap: 8px; cursor: pointer; line-height: 1.3; }
.mega-items-grid a:hover { color: var(--ai-accent); }
.mega-items-grid a .popular-mark { background: var(--popular-bg); color: var(--popular-text); font-size: 9px; padding: 1px 5px; border-radius: 6px; font-weight: 600; text-transform: uppercase; letter-spacing: 0.3px; flex-shrink: 0; }
.mega-brands-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 6px; max-height: 380px; overflow-y: auto; }
.mega-brand-card { display: flex; align-items: center; justify-content: center; padding: 12px; background: #fff; border: 1px solid var(--border-soft); border-radius: 8px; text-decoration: none; color: var(--text); transition: border-color 0.15s, transform 0.1s, background 0.15s; text-align: center; min-height: 64px; position: relative; }
.mega-brand-card:hover { border-color: var(--text); transform: translateY(-1px); }
.brand-logo { max-width: 92px; max-height: 28px; width: auto; height: auto; object-fit: contain; display: block; }
.brand-name-only { font-size: 13px; font-weight: 600; text-align: center; line-height: 1.2; color: var(--text); text-transform: uppercase; letter-spacing: 0.5px; }
.mega-brand-card.popular { border-color: #d8c18a; background: #fffaf0; }
.mega-brand-card.popular:hover { border-color: #b8a070; }
.mega-color-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 6px; }
.mega-color-item { display: flex; align-items: center; gap: 10px; padding: 8px 10px; background: #fff; border: 1px solid var(--border-soft); border-radius: 8px; text-decoration: none; color: var(--text); font-size: 13px; transition: border-color 0.15s; }
.mega-color-item:hover { border-color: var(--text); }
.mega-color-item .dot { width: 18px; height: 18px; border-radius: 50%; border: 1px solid rgba(0,0,0,0.1); flex-shrink: 0; }
.mega-color-item .dot.transparent { background: linear-gradient(45deg, #eee 25%, transparent 25%, transparent 75%, #eee 75%), linear-gradient(45deg, #eee 25%, transparent 25%, transparent 75%, #eee 75%); background-size: 7px 7px; background-position: 0 0, 3.5px 3.5px; }
.mega-grid.lens-layout { grid-template-columns: 1fr 1fr 1fr; min-height: auto; padding: 0; }
.mega-grid.lens-layout > div { padding: 22px 24px; }
.mega-grid.lens-layout > div:not(:last-child) { border-right: 1px solid var(--border-soft); }
.mega-grid.acc-layout { grid-template-columns: 1.2fr 1fr; min-height: auto; padding: 0; }
.mega-grid.acc-layout > div { padding: 22px 24px; }
.mega-grid.acc-layout > div:first-child { border-right: 1px solid var(--border-soft); }
.mega-quick { background: linear-gradient(135deg, var(--ai-bg), #d9e7f7); border-radius: 10px; padding: 16px; }
.mega-quick h4 { color: var(--text); }
.mega-quick-btn { display: flex; align-items: center; gap: 10px; background: #fff; border: none; border-radius: 10px; padding: 11px 12px; margin-bottom: 8px; cursor: pointer; text-align: left; width: 100%; font-family: inherit; transition: transform 0.1s; text-decoration: none; color: var(--text); }
.mega-quick-btn:hover { transform: translateY(-1px); }
.mega-quick-btn .icon { width: 32px; height: 32px; border-radius: 8px; background: var(--ai-accent); color: #fff; display: flex; align-items: center; justify-content: center; font-size: 15px; flex-shrink: 0; }
.mega-quick-btn .body { flex: 1; min-width: 0; }
.mega-quick-btn .title { font-size: 13px; font-weight: 600; margin: 0; }
.mega-quick-btn .desc { font-size: 11px; color: var(--text-muted); margin: 2px 0 0; line-height: 1.3; }

/* ============ АДАПТИВНОСТЬ ============ */
@media (max-width: 1199px) {
  .mega-grid { grid-template-columns: 200px 200px 1fr; min-height: 380px; }
  .mega-col-1, .mega-col-2 { padding: 20px 16px 20px 24px; }
  .mega-col-3 { padding: 20px 24px; }
  .mega-brands-grid { grid-template-columns: repeat(3, 1fr); }
  .mega-items-grid { grid-template-columns: repeat(3, 1fr); }
  .mega-color-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 999px) {
  .header-main-inner { padding: 0 16px; gap: 12px; height: 60px; }
  .header-main .logo-text-sub { display: none; }
  .header-main .search-bar { max-width: 360px; padding: 9px 14px 9px 38px; font-size: 13px; }
  .header-main .search-bar .search-icon { left: 12px; }
  .header-main .icon-btn-label { display: none; }
  .header-main .icon-btn { min-width: 40px; padding: 8px; }
  .nav-main { top: 60px; }
  .nav-main-inner { padding: 0 16px; gap: 22px; }
  .mega-grid { grid-template-columns: 180px 180px 1fr; min-height: 360px; }
  .mega-col-1, .mega-col-2 { padding: 18px 14px 18px 20px; }
  .mega-col-3 { padding: 18px 20px; }
  .mega-brands-grid { grid-template-columns: repeat(2, 1fr); }
  .mega-items-grid { grid-template-columns: repeat(2, 1fr); }
  .mega-grid.lens-layout, .mega-grid.acc-layout { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 767px) {
  .header-main-inner { padding: 0 14px; gap: 6px; height: 56px; }
  .header-main .burger-btn { display: block; }
  .header-main .logo-eye { width: 32px; }
  .header-main .logo-text-name { font-size: 15px; }
  .header-main .logo-text-sub { display: none; }
  .header-main .search-bar { max-width: 40px; padding: 0; width: 40px; height: 40px; background: transparent; border: none; flex: 0 0 40px; margin-left: auto; }
  .header-main .search-bar:hover { background: var(--hover); }
  .header-main .search-bar .search-icon { position: static; transform: none; margin: 0 auto; width: 20px; height: 20px; }
  .header-main .search-bar .search-placeholder, .header-main .search-bar .ai-badge { display: none; }
  .header-main .actions { gap: 0; }
  .header-main .icon-btn { min-width: 40px; padding: 8px; }
  .header-main .icon-btn.login-btn { display: none; }
  .nav-main { display: none; }
}

/* ============ MOBILE DRAWER ============ */
.drawer { position: fixed; top: 0; left: 0; right: 0; bottom: 0; background: #fff; z-index: 200; transform: translateX(100%); transition: transform 0.28s ease-out; display: flex; flex-direction: column; overflow: hidden; font-family: -apple-system, BlinkMacSystemFont, "Helvetica Neue", Arial, sans-serif; }
.drawer.open { transform: translateX(0); }
.drawer-header { padding: 12px 16px; border-bottom: 1px solid var(--border); display: flex; align-items: center; gap: 12px; flex-shrink: 0; background: #fff; z-index: 5; }
.drawer-back { background: none; border: none; padding: 6px; cursor: pointer; color: var(--text); display: none; flex-shrink: 0; }
.drawer-back svg { width: 22px; height: 22px; display: block; }
.drawer.show-back .drawer-back { display: block; }
.drawer.show-back .drawer-logo { display: none; }
.drawer-logo { display: flex; align-items: center; gap: 8px; }
.drawer-logo .logo-eye { width: 32px; }
.drawer-logo .name { font-size: 16px; font-weight: 700; }
.drawer-title { flex: 1; font-size: 16px; font-weight: 600; display: none; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.drawer.show-back .drawer-title { display: block; }
.drawer-close { background: none; border: none; padding: 6px; cursor: pointer; color: var(--text); margin-left: auto; flex-shrink: 0; }
.drawer-close svg { width: 22px; height: 22px; display: block; }
.drawer-search-wrap { padding: 12px 16px; border-bottom: 1px solid var(--border); flex-shrink: 0; background: #fff; }
.drawer.show-back .drawer-search-wrap { display: none; }
.drawer-search-input { width: 100%; background: var(--bg); border: 1.5px solid transparent; border-radius: 22px; padding: 11px 16px 11px 42px; font-size: 14px; color: var(--text-muted); cursor: text; position: relative; display: flex; align-items: center; gap: 8px; }
.drawer-search-input > svg { position: absolute; left: 14px; width: 17px; height: 17px; color: var(--text-soft); }
.drawer-search-input .placeholder { flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.drawer-search-input .ai-badge { background: linear-gradient(135deg, var(--ai-accent), #2a5a96); color: #fff; font-size: 10px; font-weight: 700; padding: 2px 7px; border-radius: 10px; flex-shrink: 0; }
.drawer-body { flex: 1; overflow: hidden; position: relative; }
.drawer-panel { position: absolute; top: 0; left: 0; right: 0; bottom: 0; overflow-y: auto; -webkit-overflow-scrolling: touch; background: #fff; transform: translateX(100%); transition: transform 0.28s ease-out; }
.drawer-panel.active { transform: translateX(0); }
.drawer-panel.left { transform: translateX(-30%); }
.drawer-panel-content { padding: 8px 0 80px; }
.drawer-quick { margin: 8px 16px 16px; background: linear-gradient(135deg, var(--ai-bg), #d9e7f7); border-radius: 12px; padding: 14px 16px; display: flex; align-items: center; gap: 12px; cursor: pointer; text-decoration: none; color: inherit; }
.drawer-quick:active { background: linear-gradient(135deg, #d9e7f7, #c5dbf0); }
.drawer-quick-icon { width: 40px; height: 40px; background: var(--ai-accent); color: #fff; border-radius: 10px; display: flex; align-items: center; justify-content: center; font-size: 18px; flex-shrink: 0; }
.drawer-quick-body { flex: 1; min-width: 0; }
.drawer-quick-title { font-size: 14px; font-weight: 600; margin: 0; }
.drawer-quick-desc { font-size: 11.5px; color: var(--text-muted); margin: 2px 0 0; line-height: 1.3; }
.drawer-quick-arrow { color: var(--text-soft); flex-shrink: 0; }
.drawer-section-row { display: flex; align-items: center; padding: 15px 16px 15px 20px; cursor: pointer; border-bottom: 1px solid var(--border-soft); user-select: none; transition: background 0.1s; background: #fff; width: 100%; border-top: none; border-left: none; border-right: none; font-family: inherit; text-align: left; color: var(--text); text-decoration: none; }
.drawer-section-row:active { background: var(--hover); }
.drawer-section-row .name { flex: 1; font-size: 15.5px; font-weight: 500; }
.drawer-section-row .arrow { color: var(--text-soft); flex-shrink: 0; }
.drawer-section-row.sale .name { color: var(--sale); }
.drawer-section-row.smart .name { color: var(--ai-accent); font-weight: 600; }
.drawer-divider { height: 8px; background: var(--bg); }
.drawer-section-head { padding: 14px 20px 6px; font-size: 11.5px; color: var(--text-soft); text-transform: uppercase; letter-spacing: 0.5px; font-weight: 600; background: #fff; }
.drawer-l3-search-wrap { padding: 12px 16px; border-bottom: 1px solid var(--border); background: #fff; position: sticky; top: 0; z-index: 2; }
.drawer-l3-search { width: 100%; background: var(--bg); border: 1.5px solid transparent; border-radius: 22px; padding: 10px 14px 10px 38px; font-size: 14px; font-family: inherit; background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%238a8a8a' stroke-width='2'><circle cx='11' cy='11' r='8'/><path d='M21 21l-4.35-4.35'/></svg>"); background-repeat: no-repeat; background-position: 14px center; background-size: 15px; }
.drawer-l3-search:focus { outline: none; border-color: var(--text); background-color: #fff; }
.drawer-l3-item { display: flex; align-items: center; padding: 14px 16px 14px 20px; border-bottom: 1px solid var(--border-soft); cursor: pointer; text-decoration: none; color: var(--text); font-size: 15px; }
.drawer-l3-item:active { background: var(--hover); }
.drawer-l3-item .color-dot { width: 16px; height: 16px; border-radius: 50%; border: 1px solid rgba(0,0,0,0.1); flex-shrink: 0; margin-right: 12px; }
.drawer-l3-item .name { flex: 1; }
.drawer-l3-item.popular::after { content: "популярное"; background: var(--popular-bg); color: var(--popular-text); font-size: 10px; padding: 2px 7px; border-radius: 10px; font-weight: 500; }
.drawer-l3-empty { padding: 32px 16px; text-align: center; color: var(--text-soft); font-size: 13.5px; display: none; }
.drawer-l3-empty.show { display: block; }
.drawer-link { display: flex; align-items: center; gap: 12px; padding: 13px 16px 13px 20px; color: var(--text); text-decoration: none; font-size: 15px; cursor: pointer; border-bottom: 1px solid var(--border-soft); }
.drawer-link:active { background: var(--hover); }
.drawer-link svg { width: 20px; height: 20px; color: var(--text-muted); flex-shrink: 0; }
.drawer-link .label { flex: 1; }
.drawer-link .badge { background: #1a1a1a; color: #fff; border-radius: 10px; min-width: 22px; height: 20px; padding: 0 6px; display: flex; align-items: center; justify-content: center; font-size: 11px; font-weight: 700; }
.drawer-link .badge:empty { display: none; }
.drawer-link.tryon-link .badge { background: var(--tryon-accent); }
.drawer-footer-info { padding: 20px; background: var(--bg); font-size: 11.5px; color: var(--text-soft); line-height: 1.5; text-align: center; }