/* Mega menu, spotlight Cmd+K, mobile drawer — load AFTER site-chrome.css on calculator pages.
   Homepage (index) loads this standalone; overrides below win over legacy header rules.
*/

:root {
  --header-height: 68px;
  --header-height-sm: 56px;
  --header-height-xs: 52px;
  --sidebar-width: 280px;
  --content-max: 1400px;
  --content-mid: 900px;
}

header {
  position: sticky;
  top: 0;
  z-index: 10000 !important;
  isolation: isolate !important;
  overflow: visible !important;
  background: var(--header-bg, rgba(255, 255, 255, 0.7));
  -webkit-backdrop-filter: blur(20px);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border, rgba(226, 231, 245, 0.85));
  box-shadow: 0 1px 0 var(--border, rgba(226, 231, 245, 0.8));
  transition: background 0.25s ease, border-color 0.25s ease;
}

nav.site-nav,
nav.container.site-nav {
  display: flex !important;
  align-items: center;
  justify-content: flex-start !important;
  height: var(--header-height, 68px) !important;
  min-height: var(--header-height, 68px);
  gap: 32px !important;
  column-gap: 32px !important;
  overflow: visible !important;
}

@media (max-width: 767px) {
  nav.site-nav,
  nav.container.site-nav {
    height: var(--header-height-sm, 56px) !important;
    min-height: var(--header-height-sm, 56px);
  }
}

@media (max-width: 479px) {
  nav.site-nav,
  nav.container.site-nav {
    height: var(--header-height-xs, 52px) !important;
    min-height: var(--header-height-xs, 52px);
  }

  .logo-text {
    font-size: 0.95rem;
  }
}

@media (min-width: 480px) and (max-width: 767px) {
  .logo-text {
    font-size: 18px;
  }
}

@media (max-width: 359px) {
  .logo .logo-text {
    display: none;
  }
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
  margin-right: 24px;
  text-decoration: none;
  color: inherit;
}

.logo-icon {
  width: 38px;
  height: 38px;
  background: linear-gradient(135deg, #4f46e5, #06b6d4);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 12px rgba(79, 70, 229, 0.3);
}

.logo-icon svg {
  width: 20px;
  height: 20px;
}

.logo-text {
  font-family: "DM Sans", sans-serif;
  font-weight: 700;
  font-size: 1rem;
  color: var(--text, #0f172a);
  line-height: 1.2;
}

.logo-text .brand-all {
  color: var(--accent, #4f46e5);
}

.logo-text .brand-domain {
  display: block;
  font-size: 0.62rem;
  font-weight: 500;
  color: var(--muted);
}

.nav-center {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 0;
  /* Keeps the mega-tabs pill from visually touching the search strip when the column is tight */
  padding-inline: 18px;
  box-sizing: border-box;
}

.mega-tabs {
  display: flex;
  list-style: none;
  align-items: center;
  gap: 4px;
  padding: 6px;
  background: rgba(255, 255, 255, 0.55);
  border: 1px solid rgba(226, 231, 245, 0.75);
  border-radius: 999px;
  box-shadow: var(--shadow-sm, 0 2px 8px rgba(79, 70, 229, 0.07));
  /* Minimum air between category pill and search column when nav-center is narrow */
  margin-inline-end: 18px;
}

.mega-tab {
  position: relative;
}

.mega-trigger {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  border-radius: 999px;
  border: 0;
  background: transparent;
  color: var(--muted);
  font-weight: 700;
  font-size: 0.86rem;
  cursor: pointer;
  transition: background 0.18s, color 0.18s, transform 0.18s;
  font-family: "DM Sans", sans-serif;
  white-space: nowrap;
}

.mega-trigger:hover,
.mega-tab[data-open="true"] .mega-trigger {
  background: rgba(238, 242, 255, 0.95);
  color: var(--accent);
}

.mega-trigger .chev {
  width: 11px;
  height: 11px;
  transition: transform 0.25s;
}

.mega-tab[data-open="true"] .mega-trigger .chev {
  transform: rotate(180deg);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
  margin-left: auto;
  padding-inline-start: 16px;
}

.nav-search-btn {
  display: flex;
  align-items: center;
  gap: 10px;
  height: 42px;
  padding: 0 14px;
  border-radius: 999px;
  background: rgba(240, 243, 252, 0.85);
  border: 1.5px solid rgba(226, 231, 245, 0.9);
  cursor: pointer;
  transition: box-shadow 0.2s, border-color 0.2s, background 0.2s;
  min-width: 220px;
}

.nav-search-btn:hover {
  background: rgba(255, 255, 255, 0.95);
  border-color: #c7d2fe;
  box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.08);
}

.nav-search-btn svg {
  width: 16px;
  height: 16px;
  color: var(--muted2);
  flex-shrink: 0;
}

.nav-search-btn .label {
  font-size: 0.86rem;
  font-weight: 600;
  color: var(--text2);
  opacity: 0.85;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.nav-search-btn .hint {
  margin-left: auto;
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  color: var(--muted2);
  background: rgba(255, 255, 255, 0.75);
  border: 1px solid rgba(226, 231, 245, 0.9);
  border-radius: 10px;
  padding: 4px 8px;
}

.nav-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  height: 42px;
  padding: 0 16px;
  border-radius: 999px;
  background: linear-gradient(135deg, #4f46e5, #4338ca);
  color: white;
  font-weight: 800;
  font-size: 0.86rem;
  border: 0;
  cursor: pointer;
  box-shadow: 0 10px 26px rgba(79, 70, 229, 0.26);
  transition: transform 0.2s, box-shadow 0.2s;
  text-decoration: none;
}

.nav-cta:hover {
  transform: translateY(-1px);
  box-shadow: 0 16px 32px rgba(79, 70, 229, 0.32);
  color: white;
}

.theme-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  min-width: 44px;
  min-height: 44px;
  padding: 0;
  border-radius: 999px;
  background: rgba(240, 243, 252, 0.85);
  border: 1.5px solid rgba(226, 231, 245, 0.9);
  cursor: pointer;
  color: var(--text2);
  position: relative;
  overflow: hidden;
  transition: background 0.2s ease, border-color 0.2s ease, color 0.2s ease,
    transform 0.2s ease, box-shadow 0.2s ease;
  flex-shrink: 0;
  font: inherit;
  line-height: 1;
}

.theme-toggle:hover {
  background: rgba(255, 255, 255, 0.95);
  border-color: #c7d2fe;
  color: var(--accent);
  box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.08);
  transform: translateY(-1px);
}

:root[data-theme="dark"] .theme-toggle {
  background: rgba(38, 51, 72, 0.85);
  border-color: var(--border);
}

:root[data-theme="dark"] .theme-toggle:hover {
  background: var(--surface2);
  border-color: var(--accent);
  color: var(--accent-h);
}

.theme-toggle:focus-visible {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.18);
}

.theme-toggle svg {
  width: 18px;
  height: 18px;
  position: absolute;
  top: 50%;
  left: 50%;
  margin: -9px 0 0 -9px;
  transition: transform 0.45s cubic-bezier(0.22, 1, 0.36, 1), opacity 0.25s ease;
}

.theme-toggle .icon-sun {
  opacity: 1;
  transform: rotate(0deg) scale(1);
}

.theme-toggle .icon-moon {
  opacity: 0;
  transform: rotate(-90deg) scale(0.4);
}

:root[data-theme="dark"] .theme-toggle .icon-sun {
  opacity: 0;
  transform: rotate(90deg) scale(0.4);
}

:root[data-theme="dark"] .theme-toggle .icon-moon {
  opacity: 1;
  transform: rotate(0deg) scale(1);
}

.hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 6px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
  margin-left: 6px;
  border-radius: 12px;
  transition: background 0.15s;
  min-width: 44px;
  min-height: 44px;
  box-sizing: border-box;
}

.hamburger:hover {
  background: rgba(240, 243, 252, 0.85);
}

.hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text2);
  border-radius: 2px;
  transition: transform 0.32s, opacity 0.25s;
}

.hamburger.open span:nth-child(1) {
  transform: translateY(8px) rotate(45deg);
}

.hamburger.open span:nth-child(2) {
  opacity: 0;
}

.hamburger.open span:nth-child(3) {
  transform: translateY(-8px) rotate(-45deg);
}

/* top: 100% anchors to header bottom — avoids gaps when inline page CSS nav height ≠ --header-height */
.mega-shell {
  position: absolute;
  left: 0;
  right: 0;
  top: 100%;
  z-index: 9999;
  pointer-events: none;
}

.mega-scrim {
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.35);
  opacity: 0;
  transition: opacity 0.2s ease;
  pointer-events: none;
  z-index: 9998;
  will-change: opacity;
  transform: translateZ(0);
}

/* Prevent layout shift when scrollbar disappears */
body.mega-open {
  overflow: hidden;
  padding-right: var(--scrollbar-w, 0px) !important;
}

/* Keep sticky header aligned when body padding changes */
body.mega-open header {
  padding-right: var(--scrollbar-w, 0px);
}

body.mega-open .mega-scrim {
  opacity: 1;
  pointer-events: auto;
}

.mega-panel-wrap {
  pointer-events: auto;
  margin: 0 auto;
  max-width: min(var(--content-max, 1180px), 100%);
  padding: 0 clamp(14px, 2.8vw, 26px);
}

.mega-panel {
  background: rgba(255, 255, 255, 0.98);
  border: 1px solid var(--border, rgba(226, 231, 245, 0.9));
  border-radius: 18px;
  box-shadow: var(--shadow-lg, 0 20px 56px rgba(79, 70, 229, 0.14));
  overflow: hidden;
}

.mega-anim {
  height: 0;
  opacity: 0;
  transform: translateY(-8px);
  transition: height 0.34s cubic-bezier(0.22, 1, 0.36, 1), opacity 0.2s ease,
    transform 0.22s ease;
  will-change: height;

  /* height: auto !important;
  opacity: 1 !important;
  transform: translateY(0) !important; */
}

body.mega-open .mega-anim {
  opacity: 1;
  transform: translateY(0);
}

/* Flex row: column widths stay compact; panel height follows tallest column — pair with tighter left copy */
.mega-inner {
  display: flex;
  flex-direction: row;
  align-items: flex-start;
  gap: 0;
  width: 100%;
}

.mega-col.mega-left {
  flex: 0 0 clamp(200px, 22vw, 268px);
  max-width: 280px;
}

.mega-col.mega-mid {
  flex: 1 1 auto;
  min-width: 0;
}

.mega-col.mega-right {
  flex: 0 0 clamp(196px, 20vw, 244px);
  max-width: 256px;
}

@media (max-width: 1100px) {
  .mega-col.mega-left {
    flex-basis: clamp(188px, 24vw, 240px);
    max-width: 248px;
  }

  .mega-col.mega-right {
    flex-basis: clamp(180px, 22vw, 228px);
    max-width: 236px;
  }
}

@media (max-width: 1023px) {
  .mega-inner {
    flex-direction: column;
    max-height: min(70vh, calc(100dvh - 100px));
    overflow-y: auto;
    overscroll-behavior: contain;
  }

  .mega-col.mega-left,
  .mega-col.mega-right {
    flex: 1 1 auto;
    max-width: none;
  }

  .mega-left,
  .mega-right {
    border-right: none !important;
    border-left: none !important;
  }

  .mega-right {
    border-top: 1px solid var(--border, rgba(226, 231, 245, 0.9));
  }
}

.mega-col {
  padding: 10px 16px 14px;
}

.mega-left {
  border-right: 1px solid rgba(226, 231, 245, 0.9);
  background: linear-gradient(
    180deg,
    rgba(238, 242, 255, 0.6),
    rgba(255, 255, 255, 0)
  );
}

.mega-right {
  border-left: 1px solid rgba(226, 231, 245, 0.9);
  background: rgba(248, 250, 252, 0.65);
}

.mega-cat-row {
  display: flex;
  align-items: flex-start;
  gap: 10px;
}

.mega-cat-ico {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  background: rgba(238, 242, 255, 0.95);
  border: 1px solid rgba(199, 210, 254, 0.85);
  flex-shrink: 0;
}

.mega-cat-title {
  font-size: 0.98rem;
  font-weight: 900;
  color: var(--text);
  margin-top: 0;
}

.mega-cat-desc {
  font-size: 0.82rem;
  color: var(--muted);
  line-height: 1.45;
  margin-top: 4px;
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 3;
  overflow: hidden;
}

.mega-mid-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 6px;
}

.mega-mid-head .label {
  font-size: 0.65rem;
  font-weight: 900;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted2);
}

/* ≤5 calculators: single column; 6+: two columns + dense flow reduces holes with odd counts */
.mega-grid {
  gap: 8px;
}

.mega-grid--compact {
  display: flex;
  flex-direction: column;
  gap: 8px;
  min-width: 200px;
  max-width: 300px;
}

.mega-grid--split {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  grid-auto-flow: row dense;
  gap: 8px;
  min-width: 340px;
  grid-auto-rows: min-content;
  align-content: start;
}

.mega-col.mega-mid {
  padding-bottom: 4px;
}

.mega-item {
  display: flex;
  gap: 8px;
  padding: 9px 10px;
  border-radius: 12px;
  border: 1px solid rgba(226, 231, 245, 0.9);
  background: rgba(255, 255, 255, 0.75);
  transition: transform 0.18s, border-color 0.18s, background 0.18s;
  min-width: 0;
  text-decoration: none;
  color: inherit;
}

.mega-item:hover {
  transform: translateY(-1px);
  border-color: #c7d2fe;
  background: rgba(238, 242, 255, 0.9);
}

.mega-item .ico {
  width: 32px;
  height: 32px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.95rem;
  flex-shrink: 0;
}

.mega-item .name {
  font-size: 0.88rem;
  font-weight: 800;
  color: var(--text);
  line-height: 1.2;
}

.mega-item .desc {
  font-size: 0.76rem;
  color: var(--muted);
  line-height: 1.35;
  margin-top: 3px;
}

.mega-right .popular-title {
  font-size: 0.65rem;
  font-weight: 900;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted2);
  margin-bottom: 6px;
}

.popular-mini-search {
  display: flex;
  align-items: center;
  gap: 8px;
  border: 1.5px solid rgba(226, 231, 245, 0.95);
  background: rgba(255, 255, 255, 0.8);
  border-radius: 12px;
  padding: 8px 10px;
  margin-bottom: 8px;
}

.popular-mini-search input {
  border: 0;
  outline: 0;
  background: transparent;
  font-family: "DM Sans", sans-serif;
  font-size: 0.84rem;
  color: var(--text);
  width: 100%;
}

.popular-mini-search input::placeholder {
  color: var(--muted2);
}

.popular-list {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.popular-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 10px;
  border-radius: 12px;
  border: 1px solid rgba(226, 231, 245, 0.9);
  background: rgba(255, 255, 255, 0.75);
  transition: background 0.18s, border-color 0.18s;
  text-decoration: none;
  color: inherit;
}

.popular-item:hover {
  background: rgba(238, 242, 255, 0.9);
  border-color: #c7d2fe;
}

.popular-rank {
  width: 22px;
  height: 22px;
  border-radius: 8px;
  background: rgba(79, 70, 229, 0.1);
  border: 1px solid rgba(79, 70, 229, 0.16);
  color: var(--accent);
  font-size: 0.72rem;
  font-weight: 900;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.popular-item .t {
  font-size: 0.86rem;
  font-weight: 800;
  color: var(--text);
  line-height: 1.15;
}

.popular-item .s {
  font-size: 0.74rem;
  color: var(--muted);
  line-height: 1.2;
  margin-top: 2px;
}

.spotlight {
  position: fixed;
  inset: 0;
  z-index: 10050;
  display: none;
}

.spotlight.show {
  display: block;
}

.spotlight .overlay {
  position: absolute;
  inset: 0;
  background: rgba(15, 23, 42, 0.52);
  -webkit-backdrop-filter: blur(6px);
  backdrop-filter: blur(6px);
}

.spotlight .dialog {
  position: relative;
  max-width: 820px;
  margin: 10vh auto 0;
  background: var(--dropdown-bg, rgba(255, 255, 255, 0.92));
  border: 1px solid var(--border, rgba(226, 231, 245, 0.9));
  border-radius: 22px;
  box-shadow: 0 30px 80px rgba(2, 6, 23, 0.35);
  overflow: hidden;
}

.spotlight .top {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 16px 16px;
  border-bottom: 1px solid var(--border, rgba(226, 231, 245, 0.9));
}

.spotlight .top input {
  flex: 1;
  border: 0;
  outline: 0;
  background: transparent;
  font-family: "DM Sans", sans-serif;
  font-size: 1.02rem;
  font-weight: 700;
  color: var(--text);
}

.spotlight .top input::placeholder {
  color: var(--muted2);
  font-weight: 600;
}

.spotlight .kbd {
  font-size: 0.72rem;
  font-weight: 900;
  color: var(--muted2);
  border: 1px solid rgba(226, 231, 245, 0.95);
  background: rgba(255, 255, 255, 0.75);
  border-radius: 10px;
  padding: 4px 8px;
  cursor: pointer;
  -webkit-user-select: none;
  user-select: none;
  transition: background 0.18s, border-color 0.18s, color 0.18s, box-shadow 0.18s;
}

.spotlight .kbd:hover,
.spotlight .kbd:focus-visible {
  background: var(--accent-lt, #eef2ff);
  border-color: #c7d2fe;
  color: var(--accent, #4f46e5);
  box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1);
  outline: none;
}

.spotlight .body {
  display: grid;
  grid-template-columns: 1fr 260px;
  min-height: 360px;
  max-height: min(520px, 60vh);
}

@media (max-width: 700px) {
  .spotlight .body {
    grid-template-columns: 1fr;
    max-height: min(560px, 70vh);
  }

  .spotlight .side {
    border-left: none !important;
    border-top: 1px solid var(--border, rgba(226, 231, 245, 0.9));
  }
}

.spotlight .results {
  overflow: auto;
  padding: 10px;
}

.spotlight .side {
  border-left: 1px solid rgba(226, 231, 245, 0.9);
  padding: 14px;
  background: rgba(248, 250, 252, 0.65);
}

.spotlight .sec-title {
  font-size: 0.65rem;
  font-weight: 900;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted2);
  margin-bottom: 10px;
}

.spotlight-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 12px;
  border-radius: 16px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s;
}

.spotlight-item:hover {
  background: rgba(238, 242, 255, 0.9);
}

.spotlight-item[aria-selected="true"] {
  background: rgba(238, 242, 255, 0.9);
  border-color: #c7d2fe;
}

.spotlight-item .ico {
  width: 38px;
  height: 38px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  flex-shrink: 0;
}

.spotlight-item .name {
  font-size: 0.92rem;
  font-weight: 900;
  color: var(--text);
  line-height: 1.2;
}

.spotlight-item .meta {
  font-size: 0.76rem;
  color: var(--muted);
  margin-top: 2px;
  line-height: 1.3;
}

.spotlight-empty {
  padding: 22px;
  color: var(--muted);
  text-align: center;
}

.recent-chip {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 10px 12px;
  border: 1px solid rgba(226, 231, 245, 0.9);
  background: rgba(255, 255, 255, 0.75);
  border-radius: 14px;
  cursor: pointer;
  transition: background 0.18s, border-color 0.18s;
}

.recent-chip:hover {
  background: rgba(238, 242, 255, 0.9);
  border-color: #c7d2fe;
}

.recent-chip .q {
  font-size: 0.86rem;
  font-weight: 800;
  color: var(--text);
}

.recent-chip .x {
  font-size: 0.72rem;
  font-weight: 900;
  color: var(--muted2);
}

/* Shell covers the viewport for stacking; must not steal taps from the sticky header
   (hamburger becomes “X” at z-index 10000 — drawer was 10040 and blocked clicks). */
.mobile-drawer {
  position: fixed;
  inset: 0;
  z-index: 10040;
  display: none;
  pointer-events: none;
}

.mobile-drawer.open {
  display: block;
  pointer-events: auto;
}

.drawer-scrim {
  position: absolute;
  inset: 0;
  z-index: 0;
  margin: 0;
  padding: 0;
  border: 0;
  cursor: pointer;
  background: rgba(15, 23, 42, 0.42);
  -webkit-backdrop-filter: blur(12px) saturate(120%);
  backdrop-filter: blur(12px) saturate(120%);
  opacity: 0;
  transition: opacity 0.22s ease;
  pointer-events: none;
}

.mobile-drawer.open .drawer-scrim {
  opacity: 1;
  pointer-events: auto;
}

.mobile-drawer .drawer {
  pointer-events: auto;
  position: absolute;
  z-index: 1;
  left: 0;
  right: 0;
  top: var(--header-height, 68px);
  bottom: 0;
  background: var(--dropdown-bg, rgba(255, 255, 255, 0.94));
  -webkit-backdrop-filter: blur(96px) saturate(180%) brightness(1.02);
  backdrop-filter: blur(96px) saturate(180%) brightness(1.02);
  border-top: 1px solid var(--border, rgba(226, 231, 245, 0.9));
  overflow: auto;
  -webkit-overflow-scrolling: touch;
  animation: megaDrawerSlide 0.28s cubic-bezier(0.22, 1, 0.36, 1);
}

@media (min-width: 768px) and (max-width: 1023px) {
  .mobile-drawer .drawer {
    left: 0;
    right: auto;
    width: min(var(--sidebar-width, 280px), 92vw);
    top: var(--header-height, 68px);
    border-right: 1px solid var(--border, rgba(226, 231, 245, 0.9));
    border-top: none;
    border-radius: 0;
    box-shadow: 16px 0 48px rgba(15, 23, 42, 0.12);
  }
}

@media (max-width: 767px) {
  .mobile-drawer .drawer {
    left: 0;
    right: 0;
    width: auto;
    top: var(--header-height-sm, 56px);
    border-radius: 0;
  }
}

@media (max-width: 479px) {
  .mobile-drawer .drawer {
    top: var(--header-height-xs, 52px);
  }
}

@keyframes megaDrawerSlide {
  from {
    opacity: 0;
    transform: translateY(-12px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.mobile-drawer .mwrap {
  display: flex;
  flex-direction: column;
  min-height: 100%;
  padding: 16px 20px calc(20px + env(safe-area-inset-bottom, 0px));
  box-sizing: border-box;
}

.mobile-drawer .m-sections {
  flex: 1 1 auto;
}

.m-drawer-footer {
  flex-shrink: 0;
  margin-top: auto;
  padding-top: 16px;
}

.nav-cta--drawer {
  display: flex !important;
  align-items: center;
  justify-content: center;
  width: 100%;
  box-sizing: border-box;
  padding: 14px 18px !important;
  border-radius: 14px;
  text-align: center;
}

@media (min-width: 1024px) {
  .nav-cta--drawer {
    display: none !important;
  }
}

.m-search {
  display: flex;
  align-items: center;
  gap: 10px;
  border: 1.5px solid rgba(226, 231, 245, 0.95);
  background: rgba(255, 255, 255, 0.85);
  border-radius: 16px;
  padding: 12px 12px;
  margin-bottom: 14px;
}

.m-search input {
  border: 0;
  outline: 0;
  background: transparent;
  font-family: "DM Sans", sans-serif;
  font-size: max(16px, 0.98rem);
  font-weight: 700;
  color: var(--text);
  width: 100%;
}

.m-search .hint {
  margin-left: auto;
  font-size: 0.72rem;
  font-weight: 900;
  color: var(--muted2);
  border: 1px solid rgba(226, 231, 245, 0.95);
  background: rgba(255, 255, 255, 0.75);
  border-radius: 10px;
  padding: 4px 8px;
}

.m-sections {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.m-sec {
  border: 1px solid rgba(226, 231, 245, 0.95);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.75);
  overflow: hidden;
}

.m-sec button {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 14px 14px;
  border: 0;
  background: transparent;
  cursor: pointer;
  font-family: "DM Sans", sans-serif;
  color: inherit;
}

.m-sec .t {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 900;
  color: var(--text);
}

.m-sec .t .ico {
  width: 34px;
  height: 34px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(238, 242, 255, 0.9);
  border: 1px solid rgba(199, 210, 254, 0.85);
}

.m-sec .chev {
  width: 12px;
  height: 12px;
  transition: transform 0.25s;
}

.m-sec[data-open="true"] .chev {
  transform: rotate(180deg);
}

.m-sec .list {
  height: 0;
  overflow: hidden;
  transition: height 0.32s cubic-bezier(0.22, 1, 0.36, 1);
  will-change: height;
  border-top: 1px solid rgba(226, 231, 245, 0.9);
}

.m-sec .list-inner {
  padding: 12px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.m-link {
  display: flex;
  gap: 10px;
  padding: 12px;
  border-radius: 16px;
  border: 1px solid rgba(226, 231, 245, 0.9);
  background: rgba(248, 250, 252, 0.65);
  min-width: 0;
  text-decoration: none;
  color: inherit;
}

.m-link:hover {
  border-color: #c7d2fe;
  background: rgba(238, 242, 255, 0.9);
}

.m-link .ico {
  width: 34px;
  height: 34px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.m-link .name {
  font-size: 0.88rem;
  font-weight: 900;
  color: var(--text);
  line-height: 1.2;
}

.m-link .desc {
  font-size: 0.74rem;
  color: var(--muted);
  line-height: 1.25;
  margin-top: 3px;
}

@media (max-width: 1023px) {
  .nav-center {
    display: none !important;
  }

  .nav-search-btn {
    display: none !important;
  }

  .nav-actions .nav-cta:not(.nav-cta--drawer) {
    display: none !important;
  }

  .hamburger {
    display: flex !important;
  }
}

@media (max-width: 480px) {
  .m-sec .list-inner {
    grid-template-columns: 1fr;
  }
}

@media (min-width: 1536px) {
  header nav.container.site-nav {
    max-width: min(var(--content-max, 1400px), 100%);
    margin-left: auto;
    margin-right: auto;
    padding-left: clamp(16px, 3vw, 48px);
    padding-right: clamp(16px, 3vw, 48px);
  }
}

/* Dark mode (uses same data-theme contract as site-chrome & pages) */
:root[data-theme="dark"] header {
  background: var(--header-bg);
  border-bottom-color: var(--border);
  box-shadow: 0 1px 0 var(--border);
}

:root[data-theme="dark"] .drawer-scrim {
  background: rgba(2, 6, 23, 0.62);
  -webkit-backdrop-filter: blur(18px) saturate(110%);
  backdrop-filter: blur(18px) saturate(110%);
}

:root[data-theme="dark"] .mega-tabs {
  background: rgba(30, 41, 59, 0.65);
  border-color: var(--border);
}

:root[data-theme="dark"] .mega-trigger:hover,
:root[data-theme="dark"] .mega-tab[data-open="true"] .mega-trigger {
  background: var(--accent-lt);
  color: var(--accent-h);
}

:root[data-theme="dark"] .nav-search-btn {
  background: rgba(38, 51, 72, 0.85);
  border-color: var(--border);
}

:root[data-theme="dark"] .nav-search-btn:hover {
  background: var(--surface2);
  border-color: var(--accent);
}

:root[data-theme="dark"] .nav-search-btn .hint {
  background: rgba(15, 23, 42, 0.65);
  border-color: var(--border);
  color: var(--muted);
}

:root[data-theme="dark"] .mega-scrim {
  background: rgba(2, 6, 23, 0.55);
}

:root[data-theme="dark"] .mega-panel {
  background: #1e293b;
  border-color: var(--border);
}

:root[data-theme="dark"] .mega-left {
  background: linear-gradient(180deg, rgba(30, 27, 75, 0.5), rgba(30, 41, 59, 0));
  border-right-color: var(--border);
}

:root[data-theme="dark"] .mega-right {
  background: rgba(15, 23, 42, 0.65);
  border-left-color: var(--border);
}

:root[data-theme="dark"] .mega-cat-ico {
  background: var(--accent-lt);
  border-color: var(--border);
}

:root[data-theme="dark"] .mega-item {
  background: rgba(15, 23, 42, 0.55);
  border-color: var(--border);
}

:root[data-theme="dark"] .mega-item:hover {
  background: var(--accent-lt);
  border-color: var(--accent);
}

:root[data-theme="dark"] .mega-item .name,
:root[data-theme="dark"] .mega-item .ico {
  color: var(--text);
}

:root[data-theme="dark"] .popular-mini-search {
  background: rgba(15, 23, 42, 0.6);
  border-color: var(--border);
}

:root[data-theme="dark"] .popular-item {
  background: rgba(15, 23, 42, 0.55);
  border-color: var(--border);
}

:root[data-theme="dark"] .popular-item:hover {
  background: var(--accent-lt);
  border-color: var(--accent);
}

:root[data-theme="dark"] .popular-rank {
  background: rgba(129, 140, 248, 0.18);
  border-color: rgba(129, 140, 248, 0.3);
  color: var(--accent-h);
}

:root[data-theme="dark"] .spotlight .dialog {
  background: var(--dropdown-bg, rgba(30, 41, 59, 0.92));
  border-color: var(--border);
}

:root[data-theme="dark"] .spotlight .top {
  border-bottom-color: var(--border);
}

:root[data-theme="dark"] .spotlight .kbd {
  background: rgba(15, 23, 42, 0.6);
  border-color: var(--border);
  color: var(--muted);
}

:root[data-theme="dark"] .spotlight .side {
  background: rgba(15, 23, 42, 0.6);
  border-left-color: var(--border);
}

:root[data-theme="dark"] .spotlight-item:hover,
:root[data-theme="dark"] .spotlight-item[aria-selected="true"] {
  background: var(--accent-lt);
  border-color: var(--accent);
}

:root[data-theme="dark"] .recent-chip {
  background: rgba(15, 23, 42, 0.55);
  border-color: var(--border);
}

:root[data-theme="dark"] .recent-chip:hover {
  background: var(--accent-lt);
  border-color: var(--accent);
}

:root[data-theme="dark"] .mobile-drawer .drawer {
  background: var(--dropdown-bg, rgba(30, 41, 59, 0.92));
  border-top-color: var(--border);
}

:root[data-theme="dark"] .m-search,
:root[data-theme="dark"] .m-sec,
:root[data-theme="dark"] .m-link {
  background: rgba(15, 23, 42, 0.55);
  border-color: var(--border);
  color: var(--text2);
}

:root[data-theme="dark"] .m-search input,
:root[data-theme="dark"] .spotlight .top input {
  color: var(--text);
}

:root[data-theme="dark"] .m-search .hint,
:root[data-theme="dark"] .m-sec .chev {
  color: var(--muted);
}

:root[data-theme="dark"] .m-sec .list {
  border-top-color: var(--border);
}

:root[data-theme="dark"] .m-sec .t .ico {
  background: var(--accent-lt);
  border-color: var(--border);
}

:root[data-theme="dark"] .m-link:hover {
  background: var(--accent-lt);
  border-color: var(--accent);
}

:root[data-theme="dark"] .hamburger:hover {
  background: rgba(38, 51, 72, 0.85);
}

:root[data-theme="dark"] .hamburger span {
  background: var(--text2);
}