/* ============================================================
   Natternet — redesigned shell (2026)
   Built on the Natterbox Design System tokens.
   Three header/accent treatments switch via [data-variant].
   ============================================================ */
@import url("colors_and_type.css");

:root {
  --nn-ink:      var(--nb-deep);        /* #002733 */
  --nn-body:     var(--nb-gray-400);    /* #5c6770 */
  --nn-cyan:     var(--nb-cyan);        /* #00a9ce */
  --nn-lime:     var(--nb-lime-300);    /* #d0de33 — Natternet signature */
  --nn-lime-ink: var(--nb-lime-700);    /* #626b00 */
  --nn-page:     #f4f7f8;
  --nn-card:     #ffffff;
  --nn-line:     var(--nb-gray-50);     /* #dee1e2 */
  --nn-line-2:   var(--nb-gray-100);
  --nn-shell:    1280px;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: var(--font-sans);
  background: var(--nn-page);
  color: var(--nn-ink);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; }
::selection { background: color-mix(in srgb, var(--nn-cyan) 24%, transparent); }

.nn-shell { max-width: var(--nn-shell); margin: 0 auto; padding: 0 48px; }

/* striped image placeholder ---------------------------------- */
.nn-ph {
  background-color: #e3eaed;
  background-image: repeating-linear-gradient(45deg,
     rgba(0,39,51,.05) 0 10px, rgba(0,39,51,0) 10px 20px);
}

/* ============================================================
   HEADER  —  base (variant A: editorial light)
   ============================================================ */
.nn-header { position: sticky; top: 0; z-index: 60; background: rgba(255,255,255,.88);
  backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--nn-line); }
.nn-headbar { display: flex; align-items: center; gap: 20px; padding: 14px 0 4px; }
.nn-logo { height: 40px; width: auto; }
.nn-headlogo { flex-shrink: 0; }
.nn-search-wrap { flex: 1; position: relative; min-width: 240px; }
.nn-search {
  width: 100%; border: 1px solid var(--nn-line-2); background: #fff;
  border-radius: var(--radius-pill); padding: 0 20px 0 50px; height: 40px;
  font: 400 16px var(--font-sans); color: var(--nn-ink); cursor: pointer;
  transition: border-color var(--dur-base) var(--ease), box-shadow var(--dur-base) var(--ease);
}
.nn-search::placeholder { color: var(--nb-gray-300); }
.nn-search:hover { border-color: var(--nn-cyan); }
.nn-search:focus { outline: none; border-color: var(--nn-cyan); box-shadow: 0 0 0 4px var(--ring); }
.nn-search-ic { position: absolute; left: 18px; top: 50%; transform: translateY(-50%);
  width: 20px; height: 20px; color: var(--nb-gray-300); pointer-events: none; }
.nn-head-actions { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }
.nn-iconbtn { width: 40px; height: 40px; border-radius: var(--radius-pill); border: 1px solid var(--nn-line);
  background: #fff; display: grid; place-items: center; cursor: pointer; color: var(--nn-body);
  transition: background var(--dur-fast) var(--ease), border-color var(--dur-fast) var(--ease), color var(--dur-fast) var(--ease); }
.nn-iconbtn:hover { border-color: var(--nn-cyan); color: var(--nn-cyan); }
.nn-iconbtn svg { width: 18px; height: 18px; }
.nn-avatar { width: 38px; height: 38px; border-radius: var(--radius-pill); background: var(--nn-ink);
  color: #fff; display: grid; place-items: center; font-weight: 600; font-size: 13px; cursor: pointer;
  border: 1px solid var(--nn-line); flex-shrink: 0; }

/* nav (second row, below the search bar) */
.nn-nav { display: flex; align-items: center; gap: 4px; padding: 0 0 8px; margin: 0 0 0 -14px; }
.nn-nav__spacer { flex: 1; }
.nn-nav__quick { display: flex; align-items: center; gap: 4px; }
.nn-nav__quick a { font: 500 13.5px var(--font-sans); color: var(--nb-gray-300); padding: 8px 12px; border-radius: var(--radius-sm);
  display: inline-flex; align-items: center; gap: 7px; transition: color var(--dur-fast) var(--ease), background var(--dur-fast) var(--ease); }
.nn-nav__quick a:hover { color: var(--nn-cyan); background: var(--bg-subtle); }
.nn-nav__quick svg { width: 14px; height: 14px; opacity: .8; }
.nn-nav__sep { width: 1px; height: 18px; background: var(--nn-line); margin: 0 6px; }
.nn-navlink { position: relative; display: inline-flex; align-items: center; gap: 5px;
  font: 500 15px var(--font-sans); color: var(--nn-body); padding: 10px 14px; cursor: pointer;
  border-radius: var(--radius-sm); transition: color var(--dur-fast) var(--ease), background var(--dur-fast) var(--ease); }
.nn-navlink:hover { color: var(--nn-cyan); }
.nn-navlink svg { width: 15px; height: 15px; opacity: .7; }
.nn-navlink.active { color: var(--nn-ink); font-weight: 600; }
.nn-navlink.active::after { content: ""; position: absolute; left: 14px; right: 14px; bottom: 0;
  height: 3px; border-radius: 3px 3px 0 0; background: var(--nn-lime); }

/* dept dropdown */
.nn-dd { position: relative; }
.nn-dd-menu { position: absolute; left: 0; top: calc(100% + 6px); min-width: 280px;
  background: #fff; border: 1px solid var(--nn-line); border-radius: var(--radius-lg);
  box-shadow: var(--shadow-3); padding: 8px; opacity: 0; visibility: hidden; transform: translateY(-6px);
  transition: all var(--dur-base) var(--ease); z-index: 70; columns: 1; }
.nn-dd.open .nn-dd-menu { opacity: 1; visibility: visible; transform: translateY(0); }
.nn-dd-item { display: block; padding: 9px 12px; border-radius: var(--radius-sm); font-size: 14px;
  color: var(--nn-body); transition: background var(--dur-fast) var(--ease), color var(--dur-fast) var(--ease); }
.nn-dd-item:hover { background: var(--bg-subtle); color: var(--nn-cyan); }
.nn-more[hidden] { display: none; }
.nn-more .nn-dd-menu { left: auto; right: 0; min-width: 200px; }
.nn-more-menu { display: block; }

/* ---- Variant B: deep brand header ---- */
[data-variant="b"] .nn-header { background: var(--nn-ink); border-bottom: none; }
[data-variant="b"] .nn-headbar { padding: 14px 0; }
[data-variant="b"] .nn-search { background: rgba(255,255,255,.08); border-color: rgba(255,255,255,.16); color: #fff; }
[data-variant="b"] .nn-search::placeholder { color: rgba(255,255,255,.55); }
[data-variant="b"] .nn-search-ic { color: rgba(255,255,255,.55); }
[data-variant="b"] .nn-search:hover, [data-variant="b"] .nn-search:focus { border-color: var(--nn-cyan); background: rgba(255,255,255,.12); }
[data-variant="b"] .nn-iconbtn { background: rgba(255,255,255,.06); border-color: rgba(255,255,255,.16); color: rgba(255,255,255,.85); }
[data-variant="b"] .nn-iconbtn:hover { border-color: var(--nn-cyan); color: #fff; }
[data-variant="b"] .nn-navlink.active::after { background: var(--nn-cyan); }
[data-variant="b"] .nn-navlink { color: rgba(255,255,255,.72); }
[data-variant="b"] .nn-navlink:hover { color: #fff; }
[data-variant="b"] .nn-navlink.active { color: #fff; }
[data-variant="b"] .nn-logo { filter: brightness(0) invert(1); }

/* ---- Variant C: lime signature ---- */
[data-variant="c"] .nn-header { border-bottom: 2px solid var(--nn-lime); }
[data-variant="c"] .nn-navlink:hover { color: var(--nn-lime-ink); }
[data-variant="c"] .nn-navlink.active { color: var(--nn-ink); font-weight: 700; }
[data-variant="c"] .nn-navlink.active::after { background: var(--nn-lime); }
[data-variant="c"] .nn-search:hover, [data-variant="c"] .nn-search:focus { border-color: var(--nn-lime-ink); }
[data-variant="c"] .nn-avatar { background: var(--nn-ink); }

/* ============================================================
   MAIN  LAYOUT
   ============================================================ */
main.nn-main { padding: 16px 0 0; }
.nn-section { margin: 0 0 var(--nn-sec-gap, 16px); }
.nn-sec-head { display: flex; align-items: center; gap: 10px; margin: 0 0 14px; }
.nn-sec-mark { width: 26px; height: 26px; border-radius: 8px; display: grid; place-items: center;
  background: color-mix(in srgb, var(--nn-lime) 30%, transparent); color: var(--nn-lime-ink); flex-shrink: 0; }
.nn-sec-mark svg { width: 15px; height: 15px; }
.nn-sec-title { font: 700 21px/1.2 var(--font-sans); letter-spacing: -.01em; color: var(--nn-ink); margin: 0; }
.nn-sec-link { margin-left: auto; font: 600 13.5px var(--font-sans); color: var(--nn-cyan);
  display: inline-flex; align-items: center; gap: 5px; }
.nn-sec-link svg { width: 15px; height: 15px; transition: transform var(--dur-fast) var(--ease); }
.nn-sec-link:hover svg { transform: translateX(3px); }
.nn-viewmore { margin-top: 14px; }
.nn-viewmore .nn-sec-link { margin-left: 0; }

/* ---- Hero row: carousel + quick actions ---- */
.nn-hero-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; align-items: stretch; margin-bottom: 8px; }
@media (max-width: 1080px){ .nn-hero-grid { grid-template-columns: 1fr; } .nn-carousel { grid-column: auto; } }

.nn-carousel { grid-column: span 2; position: relative; border-radius: var(--radius-xl); overflow: hidden; min-height: 300px;
  height: 100%; box-shadow: var(--shadow-2); }
.nn-carousel__img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover;
  transition: transform 1.2s var(--ease-out); }
.nn-carousel:hover .nn-carousel__img { transform: scale(1.04); }
.nn-carousel__scrim { position: absolute; inset: 0;
  background: linear-gradient(0deg, rgba(0,18,24,.94) 0%, rgba(0,18,24,.78) 26%, rgba(0,18,24,.42) 52%, rgba(0,18,24,.12) 76%, rgba(0,18,24,0) 100%); }
.nn-carousel__body { position: absolute; left: 0; right: 0; bottom: 0; padding: 30px 32px; z-index: 2; }
.nn-carousel__eyebrow { display: inline-flex; align-items: center; gap: 7px; font: 600 11px var(--font-sans);
  letter-spacing: .12em; text-transform: uppercase; color: #fff; margin-bottom: 12px;
  text-shadow: 0 1px 3px rgba(0,18,24,.85), 0 1px 10px rgba(0,18,24,.6); }
.nn-carousel__title { font: 600 30px/1.1 var(--font-sans); letter-spacing: -.02em; color: #fff; margin: 0 0 10px;
  max-width: 22ch; text-shadow: 0 2px 16px rgba(0,18,24,.6), 0 1px 4px rgba(0,18,24,.55); }
.nn-carousel__desc { font: 400 15px/1.5 var(--font-sans); color: rgba(255,255,255,.92); max-width: 56ch; margin: 0 0 20px;
  text-shadow: 0 1px 10px rgba(0,18,24,.55); }
.nn-dots { display: flex; align-items: center; gap: 7px; }
.nn-dot { width: 8px; height: 8px; border-radius: 99px; background: rgba(255,255,255,.35); cursor: pointer;
  transition: all var(--dur-base) var(--ease); border: none; padding: 0; }
.nn-dot.active { width: 30px; background: var(--nn-lime); }
.nn-carousel__nav { position: absolute; top: 50%; transform: translateY(-50%); z-index: 3;
  width: 42px; height: 42px; border-radius: 99px; border: none; cursor: pointer; display: grid; place-items: center;
  background: rgba(255,255,255,.14); color: #fff; backdrop-filter: blur(4px);
  opacity: 0; transition: opacity var(--dur-base) var(--ease), background var(--dur-fast) var(--ease); }
.nn-carousel:hover .nn-carousel__nav { opacity: 1; }
.nn-carousel__nav:hover { background: rgba(255,255,255,.28); }
.nn-carousel__nav svg { width: 20px; height: 20px; }
.nn-carousel__nav.prev { left: 10px; } .nn-carousel__nav.next { right: 10px; }

/* quick actions */
.nn-quick { display: flex; flex-direction: column; gap: 8px; height: 100%; }
.nn-tile--exec { margin-top: auto; }
.nn-qgrid { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.nn-tile { display: flex; align-items: center; gap: 12px; background: var(--nn-card);
  border: 1.5px solid color-mix(in srgb, var(--nn-cyan) 55%, transparent); border-radius: var(--radius-lg);
  padding: 10px 14px; min-height: var(--nn-tile-h, 80px); cursor: pointer;
  text-align: left; transition: transform var(--dur-base) var(--ease), box-shadow var(--dur-base) var(--ease), border-color var(--dur-base) var(--ease); }
.nn-tile:hover { transform: translateY(-2px); box-shadow: var(--shadow-2); border-color: var(--nn-cyan); }
.nn-tile__ic { width: 38px; height: 38px; border-radius: 11px; flex-shrink: 0; display: grid; place-items: center;
  background: var(--nb-cyan-tint); color: var(--nn-cyan); }
.nn-tile__ic svg { width: 19px; height: 19px; }
.nn-tile__img { width: 44px; height: 44px; object-fit: contain; flex-shrink: 0; }
.nn-tile__label { font: 600 14px var(--font-sans); color: var(--nn-ink); line-height: 1.25; }
.nn-tile--wide { grid-column: 1 / -1; }
.nn-tile--exec .nn-tile__ic { background: var(--accent-soft); }
[data-variant="c"] .nn-tile__ic { background: color-mix(in srgb, var(--nn-lime) 26%, transparent); color: var(--nn-lime-ink); }

/* ---- Category boxes (lime-accented, per original) ---- */
.nn-cat-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; }
@media (max-width: 760px){ .nn-cat-grid { grid-template-columns: 1fr; } }
.nn-cat { position: relative; display: flex; gap: 14px; align-items: center; background: var(--nn-card);
  border: 1.5px solid color-mix(in srgb, var(--nn-lime) 80%, transparent); border-radius: var(--radius-lg);
  padding: 14px 16px; min-height: var(--nn-tile-h, 80px); cursor: pointer; overflow: hidden;
  transition: transform var(--dur-base) var(--ease), box-shadow var(--dur-base) var(--ease), border-color var(--dur-base) var(--ease); }
.nn-cat:hover { transform: translateY(-3px); box-shadow: var(--shadow-2); border-color: var(--nn-lime); }
.nn-cat::before { content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 4px; background: var(--nn-lime);
  opacity: 0; transition: opacity var(--dur-base) var(--ease); }
.nn-cat:hover::before { opacity: 0; }
.nn-cat__ic { width: 42px; height: 42px; border-radius: 12px; flex-shrink: 0; display: grid; place-items: center;
  background: color-mix(in srgb, var(--nn-lime) 28%, transparent); color: var(--nn-lime-ink); }
.nn-cat__ic svg { width: 21px; height: 21px; }
.nn-cat__img { width: 48px; height: 48px; object-fit: contain; flex-shrink: 0; }
.nn-cat__title { font: 600 16px var(--font-sans); color: var(--nn-ink); margin: 2px 0 4px; }
.nn-cat__desc { font: 400 13.5px/1.45 var(--font-sans); color: var(--nn-body); margin: 0; }
[data-variant="c"] .nn-cat::before { background: var(--nn-lime); }
[data-variant="c"] .nn-cat__ic { background: color-mix(in srgb, var(--nn-lime) 26%, transparent); color: var(--nn-lime-ink); }

/* ---- Latest guides + AI sidebar ---- */
.nn-latest-grid { display: grid; grid-template-columns: minmax(0,1fr) 520px; gap: 8px; align-items: stretch; }
@media (max-width: 1080px){ .nn-latest-grid { grid-template-columns: minmax(0,1fr); } }

.nn-feed { display: flex; flex-direction: column; gap: var(--nn-card-gap, 8px); }
.nn-guide { display: flex; gap: 16px; background: var(--nn-card); border: 1px solid var(--nn-line);
  border-radius: var(--radius-lg); padding: var(--nn-card-pad, 12px); cursor: pointer;
  transition: transform var(--dur-base) var(--ease), box-shadow var(--dur-base) var(--ease), border-color var(--dur-base) var(--ease); }
.nn-guide:hover { transform: translateY(-2px); box-shadow: var(--shadow-2); border-color: transparent; }
.nn-guide__thumb { width: var(--nn-thumb-w, 170px); height: var(--nn-thumb-h, 130px); border-radius: var(--radius-md); flex-shrink: 0; overflow: hidden; }
.nn-guide__thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform 1s var(--ease-out); }
.nn-guide:hover .nn-guide__thumb img { transform: scale(1.05); }
.nn-guide__body { display: flex; flex-direction: column; min-width: 0; flex: 1; min-height: var(--nn-thumb-h, 130px); }
@media (max-width: 767px){
  .nn-guide__body { height: auto; min-width: 0; }
  .nn-guide__thumb { width: 96px; height: 96px; }
  .nn-guide__title { overflow-wrap: anywhere; }
  .nn-feed { min-width: 0; }
}
.nn-guide__top { display: flex; align-items: flex-start; justify-content: space-between; gap: 10px; }
.nn-guide__title { font: 600 17px/1.25 var(--font-sans); letter-spacing: -.01em; color: var(--nn-ink); margin: 0;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
  transition: color var(--dur-fast) var(--ease); }
.nn-guide:hover .nn-guide__title { color: var(--nn-cyan); }
.nn-views { display: inline-flex; align-items: center; gap: 4px; font: 500 12px var(--font-mono); color: var(--nb-gray-300);
  white-space: nowrap; flex-shrink: 0; }
.nn-views svg { width: 13px; height: 13px; }
.nn-guide__meta { display: flex; align-items: center; gap: 8px; margin: 6px 0 8px; font-size: 12px; }
.nn-guide__dept { color: var(--nn-cyan); font-weight: 600; }
.nn-guide__dept:hover { text-decoration: underline; }
.nn-guide__date { color: var(--nb-gray-300); font-family: var(--font-mono); font-size: 11.5px; }
.nn-guide__dot { color: var(--nn-line-2); }
.nn-guide__desc { font: 400 14px/1.5 var(--font-sans); color: var(--nn-body); margin: 0 0 10px;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.nn-tags { display: flex; gap: 6px; flex-wrap: wrap; margin-top: auto; }
.nn-tag { font: 600 10px var(--font-sans); letter-spacing: .06em; text-transform: uppercase;
  padding: 3px 9px; border-radius: 99px; background: var(--bg-subtle); color: var(--nn-body);
  cursor: pointer; transition: opacity var(--dur-fast) var(--ease); }
.nn-tag:hover { opacity: 0.75; }
.nn-tag--policy { background: var(--nb-lime-50); color: var(--nb-lime-700); }
.nn-tag--guide  { background: var(--nb-aqua-50); color: var(--nb-aqua-700); }
.nn-tag--ai     { background: var(--nb-cyan-tint); color: var(--nb-teal); }

/* AI solutions sidebar — light, cyan-accented (matches original) */
.nn-ai-aside { background: var(--nn-card); border: 1px solid color-mix(in srgb, var(--nn-cyan) 32%, var(--nn-line));
  border-radius: var(--radius-lg); overflow: hidden; display: flex; flex-direction: column; box-shadow: var(--shadow-1); }
.nn-ai-head { padding: 16px 16px 14px; background: linear-gradient(180deg, rgba(0,169,206,0.07), rgba(0,169,206,0)); border-bottom: 1px solid var(--nn-line); }
.nn-ai-head__row { display: flex; align-items: center; gap: 9px; margin-bottom: 12px; }
.nn-ai-mark { width: 22px; height: 22px; border-radius: 6px; flex-shrink: 0; object-fit: contain; }
.nn-ai-head__title { font: 600 16px var(--font-sans); color: var(--nn-ink); letter-spacing: -.01em; }
.nn-ai-head__sub { font: 400 12.5px var(--font-sans); color: rgba(255,255,255,.65); margin-top: 1px; }
.nn-ai-search { position: relative; }
.nn-ai-search input { width: 100%; border: 1px solid var(--nn-line-2); background: #fff;
  border-radius: var(--radius-sm); padding: 9px 12px 9px 34px; font: 400 13px var(--font-sans); color: var(--nn-ink); box-sizing: border-box; }
.nn-ai-search input::placeholder { color: var(--nb-gray-300); }
.nn-ai-search input:focus { outline: none; border-color: var(--nn-cyan); box-shadow: 0 0 0 3px var(--ring); }
.nn-ai-search svg { position: absolute; left: 11px; top: 50%; transform: translateY(-50%); width: 15px; height: 15px; color: var(--nb-gray-300); }
/* Single-line scroll: all chips on one row, swipe sideways, soft fade hints there's more */
.nn-ai-chips { display: flex; flex-wrap: nowrap; gap: 6px; padding: 12px 16px; border-bottom: 1px solid var(--nn-line);
  overflow-x: auto; scrollbar-width: none; -webkit-overflow-scrolling: touch; cursor: grab; }
.nn-ai-chips.grabbing { cursor: grabbing; user-select: none; }
.nn-ai-chips::-webkit-scrollbar { display: none; }
.nn-ai-chips.fade-right { -webkit-mask-image: linear-gradient(to right, #000 calc(100% - 30px), transparent); mask-image: linear-gradient(to right, #000 calc(100% - 30px), transparent); }
.nn-ai-chips.fade-left { -webkit-mask-image: linear-gradient(to right, transparent, #000 30px); mask-image: linear-gradient(to right, transparent, #000 30px); }
.nn-ai-chips.fade-left.fade-right { -webkit-mask-image: linear-gradient(to right, transparent, #000 30px, #000 calc(100% - 30px), transparent); mask-image: linear-gradient(to right, transparent, #000 30px, #000 calc(100% - 30px), transparent); }
.nn-chip { flex-shrink: 0; font: 700 10px var(--font-sans); letter-spacing: .05em; text-transform: uppercase; cursor: pointer;
  border: none; border-radius: 99px; padding: 4px 11px; background: var(--bg-subtle); color: var(--nn-body); white-space: nowrap;
  transition: background var(--dur-fast) var(--ease), color var(--dur-fast) var(--ease); }
.nn-chip.active { background: var(--nn-cyan); color: #fff; }
.nn-ai-list { flex: 1; min-height: 0; overflow-y: auto; }
.nn-ai-group { border-bottom: 1px solid var(--nn-line); }
.nn-ai-group__head { display: flex; align-items: center; gap: 8px; padding: 12px 16px; cursor: pointer; user-select: none; }
.nn-ai-group__head:hover { background: var(--bg-subtle); }
.nn-ai-group__name { font: 600 13.5px var(--font-sans); color: var(--nn-ink); flex: 1; }
.nn-ai-group__count { font: 500 11px var(--font-mono); color: var(--nb-gray-300); }
.nn-ai-group__chev { width: 16px; height: 16px; color: var(--nb-gray-300); transition: transform var(--dur-base) var(--ease); }
.nn-ai-group.open .nn-ai-group__chev { transform: rotate(180deg); }
.nn-ai-group__items { display: none; padding: 0 16px 8px; }
.nn-ai-group.open .nn-ai-group__items { display: block; }
.nn-ai-tool { padding: 9px 0 9px 14px; border-left: 2px solid var(--nn-line); margin-left: 2px; cursor: pointer;
  transition: border-color var(--dur-fast) var(--ease); }
.nn-ai-tool:hover { border-left-color: var(--nn-cyan); }
.nn-ai-tool__name { font: 600 13px var(--font-sans); color: var(--nn-ink); }
.nn-ai-tool__desc { font: 400 12px/1.4 var(--font-sans); color: var(--nn-body); margin: 2px 0 6px; }
.nn-ai-tool__tags { display: flex; gap: 5px; flex-wrap: wrap; }
.nn-mini-tag { font: 700 9px var(--font-sans); letter-spacing: .05em; text-transform: uppercase;
  padding: 2px 7px; border-radius: 99px; background: var(--bg-subtle); color: var(--nn-body);
  border: none; cursor: pointer; transition: background var(--dur-fast) var(--ease), color var(--dur-fast) var(--ease); }
.nn-mini-tag:hover { background: var(--nb-cyan-tint); color: var(--nn-cyan); }

/* ---- Footer ---- */
.nn-footer { margin-top: 40px; border-top: 1px solid var(--nn-line); background: var(--nn-card); }
.nn-footer__in { display: flex; align-items: center; justify-content: space-between; gap: 20px; padding: 30px 0; }
.nn-footer img { height: 26px; opacity: .8; }
.nn-footer__cp { font: 400 12px var(--font-mono); color: var(--nb-gray-300); }

/* ============================================================
   SEARCH OVERLAY
   ============================================================ */
.nn-overlay { position: fixed; inset: 0; z-index: 200; display: none; justify-content: center; align-items: flex-start;
  padding: 8vh 16px 16px; }
.nn-overlay.open { display: flex; }
.nn-overlay__bd { position: absolute; inset: 0; background: rgba(0,39,51,.42); backdrop-filter: blur(7px); }
.nn-overlay__panel { position: relative; z-index: 1; width: min(880px, 95vw); max-height: 82vh; background: #fff;
  border-radius: var(--radius-lg); box-shadow: var(--shadow-3); display: flex; flex-direction: column; overflow: hidden; }
@keyframes nnpop { from { opacity: 0; transform: translateY(-10px) scale(.99); } to { opacity: 1; transform: none; } }
.nn-overlay__bar { display: flex; align-items: center; gap: 12px; padding: 16px 20px; border-bottom: 1px solid var(--nn-line); }
.nn-overlay__bar svg.lead { width: 20px; height: 20px; color: var(--nb-gray-300); flex-shrink: 0; }
.nn-overlay__bar input { flex: 1; border: none; outline: none; font: 400 17px var(--font-sans); color: var(--nn-ink); }
.nn-overlay__clear { background: var(--bg-subtle); border: none; cursor: pointer; font: 600 12px var(--font-sans);
  color: var(--nn-body); padding: 7px 13px; border-radius: var(--radius-sm); }
.nn-overlay__scroll { overflow-y: auto; }
.nn-ai-answer { margin: 16px; border-radius: var(--radius-md); padding: 18px 20px; color: #fff;
  background: var(--grad-deep); }
.nn-ai-answer__head { display: flex; align-items: center; gap: 9px; font: 600 14px var(--font-sans); }
.nn-ai-answer__head .nn-ai-mark { width: 18px; height: 18px; border-radius: 5px; background: #fff; padding: 1px; }
.nn-ai-answer__txt { font: 400 14px/1.6 var(--font-sans); color: rgba(255,255,255,.92); margin-top: 11px; }
.nn-ai-answer__txt mark { background: color-mix(in srgb, var(--nn-lime) 70%, transparent); color: #fff; padding: 0 3px; border-radius: 3px; }
.nn-res-label { font: 600 11px var(--font-sans); letter-spacing: .1em; text-transform: uppercase; color: var(--nb-gray-300);
  padding: 8px 20px; }
.nn-res { display: flex; gap: 14px; padding: 13px 20px; border-top: 1px solid var(--bg-subtle); cursor: pointer;
  transition: background var(--dur-fast) var(--ease); }
.nn-res:hover { background: var(--bg-subtle); }
.nn-res__thumb { width: 64px; height: 48px; border-radius: 8px; flex-shrink: 0; }
.nn-res__title { font: 600 15px var(--font-sans); color: var(--nn-ink); }
.nn-res__meta { font: 400 12px var(--font-mono); color: var(--nb-gray-300); margin-top: 2px; }
.nn-res__desc { font: 400 13px/1.4 var(--font-sans); color: var(--nn-body); margin-top: 4px; }

/* utility */
.nn-hide { display: none !important; }

/* ============================================================
   PUBLISH-GUIDE CTA + HELP MODAL
   ============================================================ */
.nn-publish-btn { display: inline-flex; align-items: center; gap: 8px; background: var(--nn-ink); color: #fff;
  border: none; cursor: pointer; font: 600 13.5px var(--font-sans); padding: 0 18px; height: 40px; border-radius: var(--radius-pill);
  white-space: nowrap; flex-shrink: 0; transition: transform var(--dur-fast) var(--ease), box-shadow var(--dur-base) var(--ease), background var(--dur-fast) var(--ease); }
.nn-publish-btn svg { width: 16px; height: 16px; }
.nn-publish-btn:hover { transform: translateY(-1px); box-shadow: var(--shadow-2); }
[data-variant="c"] .nn-publish-btn { background: var(--nn-lime); color: var(--nn-ink); }
[data-variant="c"] .nn-publish-btn:hover { background: var(--nb-lime-200); }
[data-variant="b"] .nn-publish-btn { background: var(--nn-lime); color: var(--nn-ink); }

.nn-pub-overlay { position: fixed; inset: 0; z-index: 210; display: none; justify-content: center; align-items: flex-start;
  padding: 8vh 16px 16px; }
.nn-pub-overlay.open { display: flex; }
.nn-pub-bd { position: absolute; inset: 0; background: rgba(0,39,51,.42); backdrop-filter: blur(7px); -webkit-backdrop-filter: blur(7px); }
.nn-pub-panel { position: relative; z-index: 1; width: min(560px, 95vw); background: #fff; border-radius: var(--radius-lg);
  box-shadow: var(--shadow-3); padding: 28px; max-height: 84vh; overflow-y: auto; }
.nn-pub-sec { margin-top: 20px; }
.nn-pub-sec:first-child { margin-top: 0; }
.nn-pub-sec h3 { font: 600 15px var(--font-sans); color: var(--nn-ink); margin: 0 0 8px; }
.nn-pub-sec p { font: 400 13.5px/1.6 var(--font-sans); color: var(--nn-body); margin: 0 0 9px; }
.nn-pub-sec p:last-child { margin-bottom: 0; }
.nn-pub-sec strong { color: var(--nn-ink); font-weight: 600; }
.nn-pub-close { position: absolute; top: 16px; right: 16px; width: 32px; height: 32px; border-radius: 99px; border: none;
  background: var(--bg-subtle); color: var(--nn-body); cursor: pointer; display: grid; place-items: center; transition: background var(--dur-fast) var(--ease); }
.nn-pub-close:hover { background: var(--nn-line); }
.nn-pub-close svg { width: 16px; height: 16px; }
.nn-pub-head { display: flex; gap: 14px; align-items: flex-start; margin-bottom: 22px; padding-right: 36px; }
.nn-pub-badge { width: 44px; height: 44px; border-radius: 12px; flex-shrink: 0; display: grid; place-items: center;
  background: color-mix(in srgb, var(--nn-lime) 28%, transparent); color: var(--nn-lime-ink); }
.nn-pub-badge svg { width: 22px; height: 22px; }
.nn-pub-head h2 { font: 600 20px var(--font-sans); letter-spacing: -.01em; color: var(--nn-ink); margin: 2px 0 5px; }
.nn-pub-head p { font: 400 14px/1.5 var(--font-sans); color: var(--nn-body); margin: 0; }
.nn-pub-steps { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 16px; }
.nn-pub-step { display: flex; gap: 14px; }
.nn-pub-num { width: 28px; height: 28px; border-radius: 99px; flex-shrink: 0; display: grid; place-items: center;
  background: var(--nn-ink); color: #fff; font: 700 13px var(--font-mono); }
.nn-pub-step h3 { font: 600 14.5px var(--font-sans); color: var(--nn-ink); margin: 3px 0 3px; }
.nn-pub-step p { font: 400 13.5px/1.5 var(--font-sans); color: var(--nn-body); margin: 0; }
.nn-pub-foot { display: flex; align-items: center; justify-content: center; gap: 18px; margin-top: 24px; padding-top: 20px; border-top: 1px solid var(--nn-line); flex-wrap: wrap; }
.nn-pub-primary { display: inline-flex; align-items: center; gap: 8px; background: var(--nn-cyan); color: #fff; border: none;
  cursor: pointer; font: 600 14px var(--font-sans); padding: 11px 18px; border-radius: var(--radius-sm); transition: background var(--dur-fast) var(--ease); }
.nn-pub-primary svg { width: 16px; height: 16px; }
.nn-pub-primary:hover { background: var(--accent-hover); }
.nn-pub-link { font: 600 13.5px var(--font-sans); color: var(--nn-cyan); cursor: pointer; }
.nn-pub-link:hover { text-decoration: underline; }
[data-variant="c"] .nn-pub-num { background: var(--nn-lime-ink); }

/* ============================================================
   ALL GUIDES PAGE
   ============================================================ */
.nn-main:has(.nn-guides-layout) { padding-top: 12px; }
.nn-guides-layout { display: grid; grid-template-columns: 260px minmax(0,1fr); gap: 8px; padding: 0; align-items: start; }

.nn-filters { position: sticky; top: 104px; display: flex; flex-direction: column; gap: 20px; }
.nn-fil-title { font: 600 11px var(--font-sans); letter-spacing: .12em; text-transform: uppercase; color: var(--nb-gray-300); margin: 0 0 12px; }
.nn-checks { display: flex; flex-direction: column; gap: 10px; }
.nn-check { display: flex; align-items: center; gap: 10px; cursor: pointer; font: 400 14px var(--font-sans); color: var(--nn-body);
  transition: color var(--dur-fast) var(--ease); }
.nn-check:hover { color: var(--nn-ink); }
.nn-check input { width: 16px; height: 16px; accent-color: var(--nn-cyan); cursor: pointer; flex-shrink: 0; }
.nn-check.is-extra { display: none; }
.nn-check.nn-pinned { background: var(--nb-lime-50); border-radius: 6px; padding: 4px 8px; margin: 0 -8px; }
.nn-check.nn-pinned span { font-weight: 700; color: var(--nn-ink); }
.nn-checks.expanded .nn-check.is-extra { display: flex; }
.nn-fil-more { background: none; border: none; cursor: pointer; font: 600 12px var(--font-sans); color: var(--nn-cyan);
  display: inline-flex; align-items: center; gap: 5px; padding: 6px 0 0; }
.nn-fil-more svg { width: 14px; height: 14px; transition: transform var(--dur-base) var(--ease); }
.nn-fil-more.open svg { transform: rotate(180deg); }
.nn-fil-actions { display: flex; gap: 18px; margin-top: 12px; }
.nn-fil-act { background: none; border: none; cursor: pointer; font: 700 11px var(--font-sans); letter-spacing: .06em;
  text-transform: uppercase; color: var(--nn-cyan); display: inline-flex; align-items: center; gap: 5px; }
.nn-fil-act:hover { opacity: .7; }
.nn-fil-act svg { width: 14px; height: 14px; }
.nn-fil-sep { height: 1px; background: var(--nn-line); border: none; margin: 0; }
.nn-select { width: 100%; border: 1px solid var(--nn-line-2); border-radius: var(--radius-sm); background: #fff;
  padding: 9px 12px; font: 400 14px var(--font-sans); color: var(--nn-ink); cursor: pointer; }
.nn-select:focus { outline: none; border-color: var(--nn-cyan); box-shadow: 0 0 0 3px var(--ring); }
[data-variant="c"] .nn-check input { accent-color: var(--nn-lime); }

/* main column */
.nn-crumb { display: flex; align-items: center; gap: 7px; font: 500 13px var(--font-sans); color: var(--nb-gray-300); margin: 0 0 16px; }
.nn-crumb a { color: var(--nb-gray-300); }
.nn-crumb a:hover { color: var(--nn-cyan); }
.nn-crumb svg { width: 15px; height: 15px; }
.nn-crumb .cur { color: var(--nn-ink); font-weight: 600; }
.nn-guides-head { font: 600 26px/1.15 var(--font-sans); letter-spacing: -.02em; color: var(--nn-ink); margin: 0 0 16px; }
.nn-guides-bar { display: flex; align-items: center; gap: 14px; margin: 0 0 16px; flex-wrap: wrap; }
.nn-guides-search { position: relative; flex: 1; min-width: 240px; }
.nn-guides-search svg { position: absolute; left: 16px; top: 50%; transform: translateY(-50%); width: 18px; height: 18px; color: var(--nb-gray-300); pointer-events: none; }
.nn-guides-search input { width: 100%; border: 1px solid var(--nn-line-2); border-radius: var(--radius-pill); background: #fff;
  padding: 11px 18px 11px 44px; font: 400 14.5px var(--font-sans); color: var(--nn-ink); }
.nn-guides-search input::placeholder { color: var(--nb-gray-300); }
.nn-guides-search input:focus { outline: none; border-color: var(--nn-cyan); box-shadow: 0 0 0 4px var(--ring); }
.nn-sortwrap { display: flex; align-items: center; gap: 8px; flex-shrink: 0; }
.nn-sortwrap label { font: 600 11px var(--font-sans); letter-spacing: .08em; text-transform: uppercase; color: var(--nb-gray-300); }
.nn-sortwrap .nn-select { width: auto; padding: 8px 12px; }
.nn-results-meta { font: 500 12.5px var(--font-mono); color: var(--nb-gray-300); margin: 0 0 14px; }
.nn-dept-chip { display: inline-flex; align-items: center; gap: 9px; background: color-mix(in srgb, var(--nn-lime) 28%, transparent);
  color: var(--nn-lime-ink); font: 600 12.5px var(--font-sans); padding: 6px 8px 6px 14px; border-radius: var(--radius-pill); margin: 0; white-space: nowrap; }
.nn-banner-slot { flex-shrink: 0; }
.nn-banner-slot:empty { display: none; }
.nn-dept-chip button { background: rgba(255,255,255,.5); border: none; cursor: pointer; color: inherit; display: grid; place-items: center;
  width: 20px; height: 20px; border-radius: 99px; }
.nn-dept-chip button:hover { background: #fff; }
.nn-dept-chip svg { width: 13px; height: 13px; }

/* empty state */
.nn-empty { text-align: center; padding: 64px 20px; }
.nn-empty__ic { width: 58px; height: 58px; border-radius: 16px; background: var(--bg-subtle); display: grid; place-items: center;
  margin: 0 auto 16px; color: var(--nb-gray-300); }
.nn-empty__ic svg { width: 26px; height: 26px; }
.nn-empty h3 { font: 600 18px var(--font-sans); color: var(--nn-ink); margin: 0 0 6px; }
.nn-empty p { font: 400 14px var(--font-sans); color: var(--nn-body); margin: 0 auto; max-width: 42ch; }

/* pagination */
.nn-pager { display: flex; align-items: center; justify-content: center; gap: 8px; flex-wrap: wrap; margin: 30px 0 8px; }
.nn-pager__btn { height: 36px; min-width: 36px; padding: 0 12px; border: 1px solid var(--nn-line); background: #fff;
  border-radius: var(--radius-sm); font: 500 14px var(--font-sans); color: var(--nn-body); cursor: pointer;
  display: inline-flex; align-items: center; justify-content: center; transition: all var(--dur-fast) var(--ease); }
.nn-pager__btn:hover:not(:disabled):not(.active) { border-color: var(--nn-cyan); color: var(--nn-cyan); }
.nn-pager__btn.active { background: var(--nn-cyan); border-color: var(--nn-cyan); color: #fff; font-weight: 600; }
.nn-pager__btn:disabled { opacity: .4; cursor: default; }
.nn-pager__ellipsis { color: var(--nb-gray-300); padding: 0 2px; }
.nn-pager__per { margin-left: 10px; width: auto; padding: 8px 12px; }

/* ============================================================
   TWEAKS — expressive controls (attributes set on <html>)
   Defaults equal the base look, so default = direction C as shipped.
   ============================================================ */

/* ---- Density: reshapes spacing, tile heights, thumbs, padding ---- */
html[data-density="compact"]     { --nn-sec-gap: 12px; --nn-tile-h: 64px; --nn-card-pad: 10px; --nn-card-gap: 6px;  --nn-thumb-w: 130px; --nn-thumb-h: 96px;  }
html[data-density="comfortable"] { --nn-sec-gap: 16px; --nn-tile-h: 80px; --nn-card-pad: 12px; --nn-card-gap: 8px;  --nn-thumb-w: 170px; --nn-thumb-h: 130px; }
html[data-density="spacious"]    { --nn-sec-gap: 40px; --nn-tile-h: 96px; --nn-card-pad: 18px; --nn-card-gap: 14px; --nn-thumb-w: 196px; --nn-thumb-h: 144px; }

/* ---- Accent personality ---- */
/* Cyan-led: cool, corporate — the whole system keys off cyan */
html[data-accent="cyan"] .nn-carousel__eyebrow { color: #fff; }
html[data-accent="cyan"] .nn-dot.active { background: var(--nn-cyan); }
html[data-accent="cyan"] .nn-sec-mark { background: var(--nb-cyan-tint); color: var(--nn-cyan); }
html[data-accent="cyan"] .nn-cat { border-color: color-mix(in srgb, var(--nn-cyan) 55%, transparent); }
html[data-accent="cyan"] .nn-cat:hover { border-color: var(--nn-cyan); }
html[data-accent="cyan"] .nn-cat__ic { background: var(--nb-cyan-tint); color: var(--nn-cyan); }
html[data-accent="cyan"][data-variant="c"] .nn-tile__ic { background: var(--nb-cyan-tint); color: var(--nn-cyan); }
html[data-accent="cyan"][data-variant="c"] .nn-navlink.active { color: var(--nn-cyan); background: var(--nb-cyan-tint); }
html[data-accent="cyan"][data-variant="c"] .nn-header { border-bottom-color: var(--nn-cyan); }

/* Duotone: vibrant — lime nav + lime categories, cyan tiles, dots and eyebrow */
html[data-accent="duotone"] .nn-carousel__eyebrow { color: #fff; }
html[data-accent="duotone"] .nn-dot.active { background: var(--nn-cyan); }
html[data-accent="duotone"][data-variant="c"] .nn-tile__ic { background: var(--nb-cyan-tint); color: var(--nn-cyan); }

/* ---- Card style ---- */
/* Elevated: soft shadows always, lifts higher on hover */
html[data-cards="elevated"] .nn-guide { box-shadow: var(--shadow-2); border-color: transparent; }
html[data-cards="elevated"] .nn-cat,
html[data-cards="elevated"] .nn-tile,
html[data-cards="elevated"] .nn-ai-aside { box-shadow: var(--shadow-2); }
html[data-cards="elevated"] .nn-guide:hover,
html[data-cards="elevated"] .nn-cat:hover,
html[data-cards="elevated"] .nn-tile:hover { box-shadow: var(--shadow-3); }

/* Flat: no shadows, tighter corners, subtle tinted surface that whitens on hover */
html[data-cards="flat"] .nn-guide,
html[data-cards="flat"] .nn-cat,
html[data-cards="flat"] .nn-tile,
html[data-cards="flat"] .nn-ai-aside { box-shadow: none; border-radius: 8px; background: var(--bg-subtle); }
html[data-cards="flat"] .nn-guide:hover,
html[data-cards="flat"] .nn-cat:hover,
html[data-cards="flat"] .nn-tile:hover { transform: none; box-shadow: none; background: var(--nn-card); }
html[data-cards="flat"] .nn-guide__thumb { border-radius: 6px; }

/* ============================================================
   RESPONSIVE (placed last so it wins over base rules)
   ============================================================ */
/* All Guides: collapse the filter sidebar on narrow screens */
@media (max-width: 900px) {
  .nn-guides-layout { grid-template-columns: minmax(0, 1fr); }
  .nn-filters { display: none; }
}
/* Departments dropdown must never exceed the viewport (it's 440px / 2-col by default) */
@media (max-width: 520px) {
  .nn-dd-menu { min-width: 0 !important; max-width: calc(100vw - 24px); grid-template-columns: 1fr !important; }
}
/* Header: wrap + shrink so it never overflows on mobile */
@media (max-width: 640px) {
  .nn-headbar { flex-wrap: wrap; gap: 10px; }
  .nn-search-wrap { order: 3; flex-basis: 100%; min-width: 0; }
  .nn-publish-btn span { display: none; }
  .nn-publish-btn { padding: 0 12px; }
  .nn-shell { padding: 0 16px; }
}

/* Laptop / small-desktop (still side-by-side, but tighter so it doesn't feel
   oversized on smaller screens). Large external monitors (>1440) keep the
   comfortable layout. */
@media (min-width: 1081px) and (max-width: 1440px) {
  html[data-density="comfortable"] {
    --nn-sec-gap: 12px; --nn-tile-h: 68px; --nn-card-pad: 11px; --nn-card-gap: 7px;
    --nn-thumb-w: 148px; --nn-thumb-h: 110px;
  }
  .nn-shell { padding: 0 32px; }
  .nn-carousel { min-height: 260px; }
  .nn-carousel__title { font-size: 26px; }
  .nn-carousel__desc { font-size: 14px; }
  .nn-sec-title { font-size: 19px; }
  .nn-guides-head { font-size: 22px; }
  .nn-latest-grid { grid-template-columns: minmax(0,1fr) 440px; }
}
/* A gentler nudge for very small laptop widths */
@media (min-width: 1081px) and (max-width: 1200px) {
  .nn-carousel__title { font-size: 24px; }
  .nn-shell { padding: 0 24px; }
}