/* ============================================================
   Handled by TaskFlow - Documentation Hub
   Shared styles. Matches the main marketing site's design
   system (colors, type, spacing) so this feels like part of
   the same product.
   ============================================================ */

:root {
  --dark:        #1A1A1A;
  --dark-alt:    #0F0F0F;
  --blue:        #4A80E8;
  --blue-dark:   #3B6FD4;
  --blue-tint:   #EEF3FD;
  --bg:          #F7F5F0;
  --card:        #FFFFFF;
  --border:      #E8E5DF;
  --text:        #1A1A1A;
  --muted:       #888888;
  --muted-2:     #777777;
  --amber-bg:    #FEF3C7;
  --amber-bd:    #FDE68A;
  --amber-tx:    #92400E;
  --green:       #16A34A;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: 'DM Sans', sans-serif;
  background: var(--bg);
  color: var(--text);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

a { text-decoration: none; color: inherit; }
img { max-width: 100%; display: block; }

/* ── Skip link (accessibility) ───────────────────────────── */
.skip-link {
  position: absolute; left: -999px; top: 0; background: var(--blue);
  color: #fff; padding: 10px 16px; border-radius: 0 0 8px 0; z-index: 1000;
  font-size: 13px; font-weight: 600;
}
.skip-link:focus { left: 0; }

/* ── Navigation ───────────────────────────────────────────── */
.site-nav {
  background: var(--dark);
  padding: 0 5%;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: 100;
}
.nav-logo { font-family: 'Playfair Display', serif; font-size: 20px; color: #fff; display: flex; align-items: center; gap: 8px; }
.nav-logo span { color: var(--blue); }
.nav-logo small {
  font-family: 'DM Sans', sans-serif;
  font-size: 11px;
  font-weight: 600;
  color: #888;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  border-left: 1px solid #333;
  padding-left: 10px;
  margin-left: 2px;
}
.nav-links { display: flex; align-items: center; gap: 24px; }
.nav-links a { color: #888; font-size: 13px; cursor: pointer; transition: color 0.2s; }
.nav-links a:hover, .nav-links a.active { color: #fff; }
.nav-links .nav-search {
  display: flex; align-items: center; gap: 8px;
  background: #262626; border: 1px solid #333; border-radius: 7px;
  padding: 6px 10px; min-width: 190px;
}
.nav-links .nav-search input {
  background: transparent; border: none; outline: none; color: #eee;
  font-size: 13px; font-family: 'DM Sans', sans-serif; width: 100%;
}
.nav-links .nav-search input::placeholder { color: #666; }
.nav-links .nav-search i { color: #666; font-size: 15px; }

.nav-toggle {
  display: none;
  background: none;
  border: none;
  color: #fff;
  font-size: 24px;
  cursor: pointer;
  padding: 4px;
  line-height: 1;
}

.nav-back {
  display: flex;
  align-items: center;
  gap: 7px;
  background: var(--blue);
  color: #0F0F0F !important;
  font-size: 13px;
  font-weight: 600;
  padding: 8px 16px;
  border-radius: 7px;
  transition: background 0.2s;
}
.nav-back:hover { background: var(--blue-dark); }
.nav-back i { font-size: 15px; }

/* ── Page header (used on every page below the nav) ─────────*/
.page-header { background: var(--dark); padding: 46px 5% 40px; text-align: center; position: relative; overflow: hidden; }
.page-header-glow { position: absolute; width: 500px; height: 500px; border-radius: 50%; background: radial-gradient(circle, #4A80E815 0%, transparent 70%); top: 0; left: 50%; transform: translate(-50%, -50%); pointer-events: none; }
.page-eyebrow { display: inline-block; background: #1A2540; border: 1px solid #1E3F8A; color: var(--blue); font-size: 11px; font-weight: 600; letter-spacing: 0.06em; text-transform: uppercase; padding: 5px 14px; border-radius: 20px; margin-bottom: 18px; }
.page-title { font-family: 'Playfair Display', serif; font-size: 38px; color: #fff; line-height: 1.2; margin: 0 auto 12px; max-width: 640px; }
.page-title em { color: var(--blue); font-style: normal; }
.page-sub { font-size: 15px; color: #999; line-height: 1.7; max-width: 520px; margin: 0 auto; }

/* ── Breadcrumb ───────────────────────────────────────────── */
.breadcrumb { max-width: 900px; margin: 22px auto 0; padding: 0 5%; font-size: 12.5px; color: #777; display: flex; align-items: center; gap: 6px; flex-wrap: wrap; }
.breadcrumb a { color: var(--blue); }
.breadcrumb a:hover { text-decoration: underline; }
.breadcrumb i { font-size: 13px; color: #999; }

/* ── Toolbar (dashboard filters) ─────────────────────────── */
.toolbar {
  max-width: 1080px; margin: 0 auto; padding: 36px 5% 0;
  display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap;
}
.toolbar-search { display: flex; align-items: center; gap: 8px; background: #fff; border: 1px solid var(--border); border-radius: 8px; padding: 9px 14px; min-width: 260px; flex: 1; max-width: 360px; }
.toolbar-search i { color: #aaa; font-size: 16px; }
.toolbar-search input { border: none; outline: none; font-family: 'DM Sans', sans-serif; font-size: 13.5px; width: 100%; background: transparent; }
.toolbar-chips { display: flex; gap: 8px; flex-wrap: wrap; }
.chip {
  border: 1px solid var(--border); background: #fff; color: var(--muted);
  font-size: 12.5px; font-weight: 600; padding: 7px 14px; border-radius: 20px;
  cursor: pointer; transition: all 0.15s; font-family: 'DM Sans', sans-serif;
}
.chip:hover { border-color: var(--blue); color: var(--blue); }
.chip.active { background: var(--dark); border-color: var(--dark); color: #fff; }

/* ── Document grid / cards ───────────────────────────────── */
.doc-section { max-width: 1080px; margin: 0 auto; padding: 34px 5% 90px; }
.doc-count { font-size: 12.5px; color: var(--muted); margin-bottom: 18px; }
.doc-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 18px; }

.doc-card {
  background: var(--card); border: 1px solid var(--border); border-radius: 14px;
  padding: 24px 24px 20px; display: flex; flex-direction: column; gap: 14px;
  transition: box-shadow 0.2s, transform 0.2s, border-color 0.2s;
}
.doc-card:hover { box-shadow: 0 12px 28px rgba(26,26,26,0.08); transform: translateY(-2px); border-color: #d8d4cb; }

.doc-card-top { display: flex; align-items: flex-start; justify-content: space-between; gap: 10px; }
.doc-icon { width: 42px; height: 42px; border-radius: 10px; background: var(--blue-tint); display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.doc-icon i { font-size: 21px; color: #1A4FAF; }
.doc-category { font-size: 10.5px; font-weight: 700; letter-spacing: 0.06em; text-transform: uppercase; color: var(--blue); background: var(--blue-tint); padding: 4px 10px; border-radius: 20px; white-space: nowrap; }

.doc-title { font-size: 16.5px; font-weight: 600; color: var(--text); line-height: 1.35; }
.doc-desc { font-size: 13px; color: var(--muted); line-height: 1.6; flex-grow: 1; }

.doc-meta-row { display: flex; align-items: center; gap: 14px; font-size: 11.5px; color: #a3a3a3; padding-top: 10px; border-top: 1px solid #F0EEE8; flex-wrap: wrap; }
.doc-meta-row span { display: flex; align-items: center; gap: 5px; }
.doc-meta-row i { font-size: 14px; }

.doc-actions { display: flex; gap: 8px; margin-top: 4px; }
.btn { font-family: 'DM Sans', sans-serif; font-size: 13px; font-weight: 600; padding: 10px 16px; border-radius: 8px; cursor: pointer; border: none; display: inline-flex; align-items: center; justify-content: center; gap: 7px; transition: background 0.2s, border-color 0.2s, color 0.2s; }
.btn-primary { background: var(--blue); color: #0F0F0F; flex: 1; }
.btn-primary:hover { background: var(--blue-dark); }
.btn-ghost { background: transparent; color: var(--muted); border: 1px solid var(--border); }
.btn-ghost:hover { color: var(--text); border-color: #ccc7bb; }
.btn-block { width: 100%; }
.btn i { font-size: 16px; }

.empty-state { text-align: center; padding: 70px 20px; color: var(--muted); }
.empty-state i { font-size: 34px; color: #ccc; margin-bottom: 14px; display: block; }
.empty-state p { font-size: 14px; }

/* ── Single document page ────────────────────────────────── */
.doc-page { max-width: 900px; margin: 0 auto; padding: 34px 5% 90px; }
.doc-hero {
  background: var(--card); border: 1px solid var(--border); border-radius: 16px;
  padding: 36px 36px 30px; display: flex; gap: 24px; align-items: flex-start; flex-wrap: wrap;
}
.doc-hero-icon { width: 62px; height: 62px; border-radius: 14px; background: var(--blue-tint); display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.doc-hero-icon i { font-size: 30px; color: #1A4FAF; }
.doc-hero-body { flex: 1; min-width: 220px; }
.doc-hero-cat { font-size: 11px; font-weight: 700; letter-spacing: 0.06em; text-transform: uppercase; color: var(--blue); margin-bottom: 8px; }
.doc-hero-title { font-family: 'Playfair Display', serif; font-size: 28px; color: var(--text); line-height: 1.3; margin-bottom: 10px; }
.doc-hero-desc { font-size: 14.5px; color: #555; line-height: 1.7; max-width: 560px; }

.doc-info-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 16px; margin-top: 26px; padding-top: 24px; border-top: 1px solid #F0EEE8; }
.doc-info-item .label { font-size: 10.5px; font-weight: 700; letter-spacing: 0.06em; text-transform: uppercase; color: #aaa; margin-bottom: 5px; }
.doc-info-item .value { font-size: 14px; font-weight: 600; color: var(--text); display: flex; align-items: center; gap: 6px; }
.doc-info-item .value i { font-size: 15px; color: var(--blue); }

.doc-hero-actions { display: flex; gap: 10px; margin-top: 26px; flex-wrap: wrap; }
.doc-hero-actions .btn { padding: 12px 22px; font-size: 14px; }

.doc-viewer-wrap { margin-top: 24px; background: var(--card); border: 1px solid var(--border); border-radius: 16px; overflow: hidden; }
.doc-viewer-bar { display: flex; align-items: center; justify-content: space-between; padding: 14px 20px; border-bottom: 1px solid var(--border); }
.doc-viewer-bar h2 { font-size: 13.5px; font-weight: 600; color: var(--text); display: flex; align-items: center; gap: 8px; }
.doc-viewer-bar h2 i { color: var(--blue); }
.doc-viewer-bar a { font-size: 12.5px; color: var(--blue); font-weight: 600; display: flex; align-items: center; gap: 5px; }
.doc-viewer-bar a:hover { text-decoration: underline; }
.doc-viewer { width: 100%; height: 76vh; min-height: 480px; border: none; display: block; background: #F2F0EA; }
.doc-viewer-fallback { padding: 60px 20px; text-align: center; color: var(--muted); }
.doc-viewer-fallback i { font-size: 30px; color: #ccc; margin-bottom: 12px; display: block; }

.related-wrap { margin-top: 40px; }
.related-wrap h3 { font-family: 'Playfair Display', serif; font-size: 20px; margin-bottom: 16px; }
.related-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 14px; }

.share-row { display: flex; align-items: center; gap: 10px; margin-top: 22px; padding: 14px 18px; background: #fff; border: 1px solid var(--border); border-radius: 10px; flex-wrap: wrap; }
.share-row .share-label { font-size: 12.5px; color: var(--muted); font-weight: 600; }
.share-link-box { flex: 1; min-width: 200px; display: flex; align-items: center; gap: 8px; background: var(--bg); border: 1px solid var(--border); border-radius: 7px; padding: 8px 12px; }
.share-link-box input { border: none; background: transparent; outline: none; font-size: 12.5px; color: #555; width: 100%; font-family: 'DM Sans', sans-serif; }
.copy-btn { font-size: 12.5px; font-weight: 600; color: var(--blue); background: var(--blue-tint); border: none; padding: 8px 14px; border-radius: 7px; cursor: pointer; display: flex; align-items: center; gap: 6px; white-space: nowrap; }
.copy-btn:hover { background: #e2ebfb; }
.copy-btn.copied { background: #DCFCE7; color: var(--green); }

.not-found { max-width: 560px; margin: 60px auto; text-align: center; padding: 0 5%; }
.not-found i { font-size: 40px; color: #ccc; margin-bottom: 16px; display: block; }
.not-found h1 { font-family: 'Playfair Display', serif; font-size: 26px; margin-bottom: 10px; }
.not-found p { color: var(--muted); font-size: 14px; margin-bottom: 22px; }

/* ── 404 page ─────────────────────────────────────────────── */
.error-page { max-width: 620px; margin: 0 auto; padding: 40px 5% 10px; }
.error-card {
  background: var(--card); border: 1px solid var(--border); border-radius: 16px;
  padding: 46px 40px; text-align: center;
}
.error-icon {
  width: 62px; height: 62px; border-radius: 14px; background: var(--blue-tint);
  display: flex; align-items: center; justify-content: center; margin: 0 auto 20px;
}
.error-icon i { font-size: 28px; color: #1A4FAF; }
.error-card h2 { font-family: 'Playfair Display', serif; font-size: 21px; color: var(--text); margin-bottom: 10px; }
.error-card p { color: var(--muted); font-size: 14px; line-height: 1.7; max-width: 400px; margin: 0 auto 26px; }
.error-actions { display: flex; gap: 10px; justify-content: center; flex-wrap: wrap; }
.error-actions .btn { padding: 12px 22px; font-size: 14px; flex: 0 1 auto; }
.error-suggest-section { max-width: 720px; margin: 0 auto; padding: 34px 5% 90px; }
.error-suggest-section .doc-count { text-align: center; }

/* ── Footer ───────────────────────────────────────────────── */
.site-footer { background: var(--dark); padding: 34px 5%; text-align: center; }
.site-footer p { color: #666; font-size: 12px; }
.site-footer a { color: #888; }
.site-footer a:hover { color: #fff; }

/* ── Responsive ───────────────────────────────────────────── */
@media (max-width: 720px) {
  .nav-toggle { display: block; }
  .nav-links {
    position: absolute;
    top: 60px;
    left: 0;
    right: 0;
    background: var(--dark);
    flex-direction: column;
    align-items: flex-start;
    gap: 14px;
    padding: 18px 5% 22px;
    display: none;
    border-top: 1px solid #2A2A2A;
  }
  .nav-links.open { display: flex; }
  .nav-links .nav-search { display: none; }
  .page-title { font-size: 28px; }
  .doc-hero { padding: 26px 22px 22px; }
  .doc-hero-title { font-size: 22px; }
  .doc-info-grid { grid-template-columns: repeat(2, 1fr); }
  .toolbar { flex-direction: column; align-items: stretch; }
  .toolbar-search { max-width: none; }
}