/* ── Nuvio One Help Center ───────────────────────────────────────────────────
   Consumes the shared design tokens from style.css (--navy, --blue, --gray-*). */

body { background: var(--gray-50); }

/* ── Hub hero + search ─────────────────────────────────────────────────────── */
.help-hero {
  background: linear-gradient(180deg, var(--navy) 0%, var(--navy-mid) 100%);
  color: #fff;
  padding: 6.5rem 0 3rem;
  text-align: center;
}
.help-hero h1 {
  font-size: 2.1rem; font-weight: 800; letter-spacing: -0.02em; margin: 0 0 0.5rem;
}
.help-hero p { color: rgba(255,255,255,0.6); font-size: 1rem; margin: 0 auto 1.75rem; max-width: 520px; }

.help-search-hero {
  position: relative; max-width: 580px; margin: 0 auto;
}
.help-search-hero i {
  position: absolute; left: 1.1rem; top: 50%; transform: translateY(-50%);
  color: var(--gray-500); font-size: 1.05rem;
}
.help-search-hero input {
  width: 100%; padding: 0.95rem 1.1rem 0.95rem 2.9rem;
  font-size: 1rem; font-family: inherit; color: var(--navy);
  background: #fff; border: 1px solid transparent; border-radius: 12px;
  box-shadow: var(--shadow-lg); outline: none;
}
.help-search-hero input:focus { border-color: var(--blue); }

.help-aud-tabs { display: inline-flex; gap: 0.35rem; margin-top: 1.5rem; background: rgba(255,255,255,0.08); padding: 0.3rem; border-radius: 10px; }
.help-aud-tabs button {
  border: 0; background: transparent; color: rgba(255,255,255,0.7);
  font: inherit; font-size: 0.85rem; font-weight: 600; padding: 0.4rem 0.9rem; border-radius: 7px; cursor: pointer;
}
.help-aud-tabs button.active { background: #fff; color: var(--navy); }

/* ── Hub body ──────────────────────────────────────────────────────────────── */
.help-hub { padding: 2.5rem 0 4rem; }
.help-cat { margin-bottom: 2.5rem; scroll-margin-top: 90px; }
.help-cat-title {
  font-size: 0.78rem; font-weight: 800; letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--gray-500); margin: 0 0 1rem;
}
.help-card-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 1rem; }
.help-card {
  display: flex; flex-direction: column; gap: 0.3rem;
  background: #fff; border: 1px solid var(--border); border-radius: 12px;
  padding: 1.1rem 1.2rem; text-decoration: none; transition: border-color .12s, box-shadow .12s, transform .12s;
}
.help-card:hover { border-color: var(--blue); box-shadow: var(--shadow-md); transform: translateY(-2px); }
.help-card-title { font-size: 0.95rem; font-weight: 700; color: var(--navy); }
.help-card-sum { font-size: 0.82rem; color: var(--gray-500); line-height: 1.5; flex: 1; }

.help-aud-badge {
  align-self: flex-start; font-size: 0.62rem; font-weight: 700; letter-spacing: 0.04em; text-transform: uppercase;
  padding: 0.12rem 0.5rem; border-radius: 20px; margin-top: 0.4rem;
}
.help-aud-product { background: var(--blue-lt); color: var(--blue-hover); }
.help-aud-client  { background: var(--cyan-lt); color: var(--cyan); }

/* ── Hub search results ────────────────────────────────────────────────────── */
.help-results { display: flex; flex-direction: column; gap: 0.6rem; max-width: 720px; }
.help-result {
  display: block; background: #fff; border: 1px solid var(--border); border-radius: 10px;
  padding: 0.9rem 1.1rem; text-decoration: none;
}
.help-result:hover { border-color: var(--blue); }
.help-result-title { display: block; font-size: 0.92rem; font-weight: 700; color: var(--navy); }
.help-result-cat { display: block; font-size: 0.65rem; font-weight: 700; letter-spacing: 0.06em; text-transform: uppercase; color: var(--gray-500); margin-top: 0.15rem; }
.help-result-snip { display: block; font-size: 0.8rem; color: var(--gray-700); margin-top: 0.35rem; line-height: 1.5; }
.help-empty { color: var(--gray-500); font-size: 0.9rem; }

/* ── Article page ──────────────────────────────────────────────────────────── */
.help-article-shell { padding: 6rem 0 4rem; }
.help-breadcrumb {
  display: flex; flex-wrap: wrap; align-items: center; gap: 0.5rem;
  list-style: none; padding: 0; margin: 0 0 1.5rem; font-size: 0.8rem; color: var(--gray-500);
}
.help-breadcrumb a { color: var(--gray-500); text-decoration: none; }
.help-breadcrumb a:hover { color: var(--blue); }
.help-breadcrumb .bc-sep i { font-size: 0.6rem; }
.help-breadcrumb .bc-current { color: var(--navy); font-weight: 600; }

.help-article-grid { display: grid; grid-template-columns: minmax(0,1fr) 240px; gap: 3rem; align-items: start; }
.help-article {
  background: #fff; border: 1px solid var(--border); border-radius: 16px;
  padding: 2.25rem 2.5rem; box-shadow: var(--shadow-sm); min-width: 0;
}
.help-article h1 { font-size: 1.8rem; font-weight: 800; color: var(--navy); letter-spacing: -0.02em; margin: 0.6rem 0 0.4rem; }
.help-lede { font-size: 1.02rem; color: var(--gray-500); line-height: 1.65; margin: 0 0 1.75rem; }

.help-article h2 { font-size: 1.25rem; font-weight: 700; color: var(--navy); margin: 2rem 0 0.75rem; padding-top: 0.5rem; }
.help-article h3 { font-size: 1.02rem; font-weight: 700; color: var(--navy); margin: 1.5rem 0 0.5rem; }
.help-article p { font-size: 0.95rem; color: var(--gray-700); line-height: 1.75; margin: 0 0 1rem; }
.help-article ul, .help-article ol { margin: 0 0 1rem 1.25rem; padding: 0; }
.help-article li { font-size: 0.95rem; color: var(--gray-700); line-height: 1.7; margin-bottom: 0.35rem; }
.help-article strong { color: var(--navy); font-weight: 600; }
.help-article a { color: var(--blue); }
.help-article code {
  font-family: ui-monospace, SFMono-Regular, monospace; font-size: 0.85em;
  background: var(--gray-100); border-radius: 5px; padding: 0.1em 0.4em; color: var(--navy);
}
.help-article hr { border: 0; border-top: 1px solid var(--border); margin: 1.75rem 0; }
.help-article blockquote {
  border-left: 3px solid var(--blue); background: var(--blue-lt);
  margin: 1rem 0; padding: 0.75rem 1.1rem; border-radius: 0 8px 8px 0; color: var(--gray-700);
}
.help-article table { width: 100%; border-collapse: collapse; margin: 1rem 0 1.5rem; font-size: 0.88rem; }
.help-article th { background: var(--gray-50); color: var(--navy); font-weight: 600; text-align: left; padding: 0.6rem 0.9rem; border: 1px solid var(--border); }
.help-article td { padding: 0.55rem 0.9rem; border: 1px solid var(--border); color: var(--gray-700); vertical-align: top; }

.help-rule { margin-top: 2rem; }
.help-back { font-size: 0.85rem; font-weight: 600; color: var(--blue); text-decoration: none; }
.help-aud-badge.help-aud-product, .help-aud-badge.help-aud-client { display: inline-block; }

/* ── Article sidebar ───────────────────────────────────────────────────────── */
.help-aside { position: sticky; top: 90px; display: flex; flex-direction: column; gap: 1.25rem; }
.help-search-mini { position: relative; }
.help-search-mini > i { position: absolute; left: 0.8rem; top: 0.7rem; color: var(--gray-500); font-size: 0.85rem; }
.help-search-mini input {
  width: 100%; padding: 0.55rem 0.7rem 0.55rem 2.1rem; font: inherit; font-size: 0.85rem;
  color: var(--navy); background: #fff; border: 1px solid var(--border); border-radius: 9px; outline: none;
}
.help-search-mini input:focus { border-color: var(--blue); }
.help-mini-results { display: flex; flex-direction: column; }
.help-mini-results a { font-size: 0.82rem; color: var(--gray-700); text-decoration: none; padding: 0.4rem 0.3rem; border-bottom: 1px solid var(--gray-100); }
.help-mini-results a:hover { color: var(--blue); }
.help-mini-empty { font-size: 0.8rem; color: var(--gray-500); padding: 0.4rem 0.3rem; }

.help-related { background: #fff; border: 1px solid var(--border); border-radius: 12px; padding: 1rem 1.1rem; }
.help-related-label { font-size: 0.68rem; font-weight: 800; letter-spacing: 0.06em; text-transform: uppercase; color: var(--gray-500); margin-bottom: 0.6rem; }
.help-related a { display: block; font-size: 0.85rem; color: var(--gray-700); text-decoration: none; padding: 0.3rem 0; }
.help-related a:hover { color: var(--blue); }

/* ── Responsive ────────────────────────────────────────────────────────────── */
@media (max-width: 860px) {
  .help-article-grid { grid-template-columns: 1fr; }
  .help-aside { position: static; order: -1; }
  .help-related { display: none; }
  .help-article { padding: 1.5rem 1.4rem; }
}