/* ============================================================
   EDUSOFTWARE – Knowledge Base & Manuals Stylesheet (kb.css)
   ============================================================ */

/* ── Breadcrumb ──────────────────────────────────────────────── */
.kb-breadcrumb {
  font-family: var(--font-display);
  font-size: 0.85rem;
  letter-spacing: 0.08em;
  color: var(--steel);
  margin-bottom: 1rem;
  text-transform: uppercase;
}
.kb-breadcrumb a { color: var(--amber); transition: opacity 0.2s; }
.kb-breadcrumb a:hover { opacity: 0.75; }
.kb-breadcrumb span { margin: 0 0.5rem; }

/* ── Search Bar ──────────────────────────────────────────────── */
.kb-search-bar {
  background: var(--navy-mid);
  border-bottom: 1px solid var(--border);
  padding: 2rem 0;
}
.kb-search-inner {
  max-width: 640px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 1rem;
  background: rgba(255,255,255,0.06);
  border: 1.5px solid rgba(255,255,255,0.12);
  border-radius: 4px;
  padding: 0.85rem 1.25rem;
  transition: border-color 0.2s;
}
.kb-search-inner:focus-within {
  border-color: var(--amber);
}
.kb-search-inner svg {
  width: 20px;
  height: 20px;
  color: var(--steel);
  flex-shrink: 0;
}
.kb-search-inner input {
  background: none;
  border: none;
  outline: none;
  color: var(--white);
  font-family: var(--font-body);
  font-size: 1rem;
  width: 100%;
}
.kb-search-inner input::placeholder { color: var(--steel); }

/* ── Hub Section ─────────────────────────────────────────────── */
.kb-hub-section { background: var(--off-white); color: var(--navy); }

/* Quick link cards */
.kb-quick-links {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  margin-bottom: 4rem;
}
.kb-quick-card {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  padding: 2rem;
  border-radius: 6px;
  border: 2px solid transparent;
  transition: all 0.25s;
  color: var(--white);
  cursor: pointer;
  position: relative;
}
.kb-quick-guard   { background: var(--navy); }
.kb-quick-messenger { background: var(--navy-mid); }
.kb-quick-card:hover {
  border-color: var(--amber);
  transform: translateY(-3px);
  box-shadow: 0 15px 40px rgba(0,0,0,0.2);
}
.kb-quick-icon {
  width: 56px;
  height: 56px;
  color: var(--amber);
  flex-shrink: 0;
}
.kb-quick-icon svg { width: 100%; height: 100%; }
.kb-quick-card h3 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.4rem;
  text-transform: uppercase;
  margin-bottom: 0.35rem;
}
.kb-quick-card p {
  font-size: 0.9rem;
  color: var(--steel-light);
  line-height: 1.55;
  margin-bottom: 0.5rem;
}
.kb-article-count {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--amber);
  border: 1px solid rgba(245,158,11,0.3);
  border-radius: 2px;
  padding: 0.2rem 0.6rem;
}
.kb-arrow {
  margin-left: auto;
  font-size: 1.5rem;
  color: var(--amber);
  flex-shrink: 0;
  transition: transform 0.2s;
}
.kb-quick-card:hover .kb-arrow { transform: translateX(4px); }

/* Popular questions */
.kb-popular { margin-bottom: 3rem; }
.kb-faq-preview {
  display: flex;
  flex-direction: column;
  gap: 0;
  border: 1px solid #e2e8f0;
  border-radius: 6px;
  overflow: hidden;
  background: var(--white);
}
.faq-preview-item a {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1rem 1.25rem;
  font-size: 0.95rem;
  color: var(--navy);
  border-bottom: 1px solid #f1f5f9;
  transition: background 0.2s;
}
.faq-preview-item:last-child a { border-bottom: none; }
.faq-preview-item a:hover { background: #f8fafc; color: var(--navy); }
.faq-tag {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 0.2rem 0.6rem;
  border-radius: 2px;
  flex-shrink: 0;
  white-space: nowrap;
}
.faq-tag--guard {
  background: rgba(11,22,40,0.08);
  color: var(--navy);
}
.faq-tag--messenger {
  background: rgba(26,48,96,0.1);
  color: var(--navy-light);
}

/* Manuals CTA box */
.kb-manuals-cta { margin-top: 3rem; }
.kb-manuals-cta-inner {
  display: flex;
  align-items: center;
  gap: 2rem;
  background: var(--navy);
  color: var(--white);
  padding: 2rem 2.5rem;
  border-radius: 6px;
  border: 1px solid var(--border);
}
.kb-manuals-icon {
  width: 52px;
  height: 52px;
  color: var(--amber);
  flex-shrink: 0;
}
.kb-manuals-icon svg { width: 100%; height: 100%; }
.kb-manuals-cta-inner h3 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.3rem;
  text-transform: uppercase;
  margin-bottom: 0.3rem;
}
.kb-manuals-cta-inner p {
  font-size: 0.92rem;
  color: var(--steel-light);
}
.kb-manuals-cta-inner .btn { margin-left: auto; flex-shrink: 0; }

/* ── Article Page Layout ─────────────────────────────────────── */
.kb-article-section { background: var(--off-white); color: var(--navy); }
.kb-layout {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 4rem;
  align-items: start;
}

/* Sidebar */
.kb-sidebar {
  position: sticky;
  top: 90px;
}
.kb-sidebar-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.75rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--steel);
  margin-bottom: 0.75rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid #e2e8f0;
}
.kb-toc { display: flex; flex-direction: column; gap: 0.1rem; }
.kb-toc li a {
  display: block;
  padding: 0.45rem 0.75rem;
  font-family: var(--font-display);
  font-size: 0.9rem;
  letter-spacing: 0.03em;
  color: #475569;
  border-radius: 3px;
  transition: background 0.2s, color 0.2s;
}
.kb-toc li a:hover,
.kb-toc li a.active {
  background: rgba(245,158,11,0.1);
  color: var(--navy);
}
.kb-sidebar-manual-btn {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  margin-top: 2rem;
  padding: 0.75rem 1rem;
  background: var(--navy);
  color: var(--amber);
  border-radius: 4px;
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  transition: background 0.2s;
}
.kb-sidebar-manual-btn svg {
  width: 18px; height: 18px; flex-shrink: 0;
}
.kb-sidebar-manual-btn:hover { background: var(--navy-light); color: var(--amber); }

/* FAQ Content */
.kb-content { min-width: 0; }
.kb-section { margin-bottom: 3rem; }
.kb-section-title {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.3rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--navy);
  margin-bottom: 1rem;
  padding-bottom: 0.75rem;
  border-bottom: 2px solid var(--amber);
}
.kb-section-title svg {
  width: 22px; height: 22px;
  color: var(--amber);
  flex-shrink: 0;
}

/* FAQ Accordion Items */
.faq-item {
  border: 1px solid #e2e8f0;
  border-radius: 4px;
  margin-bottom: 0.5rem;
  background: var(--white);
  overflow: hidden;
  scroll-margin-top: 90px;
}
.faq-q {
  width: 100%;
  text-align: left;
  background: none;
  border: none;
  padding: 1.1rem 1.25rem;
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 400;
  color: var(--navy);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  transition: background 0.2s;
  line-height: 1.5;
}
.faq-q:hover { background: #f8fafc; }
.faq-q::after {
  content: '+';
  font-size: 1.4rem;
  font-weight: 300;
  color: var(--amber);
  flex-shrink: 0;
  line-height: 1;
  transition: transform 0.25s;
}
.faq-q[aria-expanded="true"] { background: #f8fafc; }
.faq-q[aria-expanded="true"]::after { transform: rotate(45deg); }

.faq-a {
  display: none;
  padding: 0 1.25rem 1.25rem;
  border-top: 1px solid #f1f5f9;
}
.faq-a.open { display: block; }
.faq-a p {
  font-size: 0.97rem;
  color: #334155;
  line-height: 1.8;
  margin-bottom: 0.75rem;
}
.faq-a p:last-child { margin-bottom: 0; }
.faq-a a { color: var(--navy-light); text-decoration: underline; }
.faq-a a:hover { color: var(--navy); }

.faq-list {
  margin: 0.5rem 0 0.75rem 1.25rem;
  list-style: disc;
}
.faq-list--numbered { list-style: decimal; }
.faq-list li {
  font-size: 0.96rem;
  color: #334155;
  line-height: 1.75;
  margin-bottom: 0.3rem;
}
.faq-list strong { color: var(--navy); }

/* Contact prompt */
.kb-contact-prompt {
  background: var(--navy);
  color: var(--white);
  border-radius: 6px;
  padding: 2rem 2.5rem;
  margin-top: 2rem;
  display: flex;
  align-items: center;
  gap: 2rem;
}
.kb-contact-prompt h4 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.2rem;
  text-transform: uppercase;
  margin-bottom: 0.25rem;
}
.kb-contact-prompt p {
  font-size: 0.92rem;
  color: var(--steel-light);
}
.kb-contact-prompt .btn { margin-left: auto; flex-shrink: 0; }

/* ── Manuals Page ────────────────────────────────────────────── */
.manuals-admin-notice {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  background: #fffbeb;
  border: 1.5px solid #fcd34d;
  border-radius: 4px;
  padding: 1rem 1.25rem;
  margin-bottom: 3rem;
  font-size: 0.9rem;
  color: #78350f;
}
.manuals-admin-notice svg {
  width: 20px; height: 20px;
  color: #f59e0b;
  flex-shrink: 0;
  margin-top: 0.1rem;
}
.manuals-admin-notice strong { color: #92400e; }

.manual-product-block {
  background: var(--white);
  border: 1px solid #e2e8f0;
  border-radius: 8px;
  overflow: hidden;
}
.manual-product-header {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  padding: 1.5rem 2rem;
  border-bottom: 1px solid #e2e8f0;
}
.manual-product-header--guard   { background: var(--navy); color: var(--white); }
.manual-product-header--messenger { background: var(--navy-mid); color: var(--white); }
.manual-product-icon {
  width: 48px; height: 48px;
  color: var(--amber);
  flex-shrink: 0;
}
.manual-product-icon svg { width: 100%; height: 100%; }
.manual-product-header h2 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.5rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  margin-bottom: 0.1rem;
}
.manual-product-header p {
  font-family: var(--font-display);
  font-size: 0.85rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--amber);
}

.manual-cards {
  display: flex;
  flex-direction: column;
}
.manual-card {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  padding: 1.5rem 2rem;
  border-bottom: 1px solid #f1f5f9;
  transition: background 0.2s;
}
.manual-card:last-child { border-bottom: none; }
.manual-card:hover { background: #f8fafc; }
.manual-card-icon {
  width: 44px; height: 44px;
  color: var(--navy-light);
  flex-shrink: 0;
}
.manual-card-icon svg { width: 100%; height: 100%; }
.manual-card-info { flex: 1; min-width: 0; }
.manual-card-info h3 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.1rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--navy);
  margin-bottom: 0.3rem;
}
.manual-card-info p {
  font-size: 0.9rem;
  color: #475569;
  line-height: 1.6;
  margin-bottom: 0.6rem;
}
.manual-meta {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}
.manual-tag {
  font-family: var(--font-display);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 0.2rem 0.6rem;
  border-radius: 2px;
  background: #f1f5f9;
  color: #475569;
}

.manual-card-action { flex-shrink: 0; }
.manual-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.85rem;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  padding: 0.65rem 1.25rem;
  border-radius: var(--radius);
  background: var(--navy);
  color: var(--amber);
  border: 2px solid var(--navy);
  transition: all 0.2s;
  white-space: nowrap;
}
.manual-btn svg { width: 16px; height: 16px; }
.manual-btn:hover {
  background: var(--amber);
  border-color: var(--amber);
  color: var(--navy);
}
.manual-btn--placeholder {
  background: #f1f5f9;
  color: #94a3b8;
  border-color: #e2e8f0;
  cursor: default;
  pointer-events: none;
}

.manuals-note {
  margin-top: 2.5rem;
  padding: 1.25rem 1.5rem;
  background: var(--white);
  border: 1px solid #e2e8f0;
  border-radius: 4px;
  font-size: 0.9rem;
  color: #64748b;
  text-align: center;
}
.manuals-note a { color: var(--navy); text-decoration: underline; }

/* ── Responsive ──────────────────────────────────────────────── */
@media (max-width: 900px) {
  .kb-quick-links { grid-template-columns: 1fr; }
  .kb-layout { grid-template-columns: 1fr; }
  .kb-sidebar { position: static; }
  .kb-manuals-cta-inner { flex-wrap: wrap; }
  .kb-manuals-cta-inner .btn { margin-left: 0; }
  .kb-contact-prompt { flex-wrap: wrap; }
  .kb-contact-prompt .btn { margin-left: 0; }
}
@media (max-width: 600px) {
  .manual-card { flex-wrap: wrap; }
  .manual-card-action { width: 100%; }
  .manual-btn { width: 100%; justify-content: center; }
  .kb-quick-card { flex-wrap: wrap; }
  .kb-arrow { display: none; }
}