/* ============================================================
   Help Center – Sidebar Navigation & Layout
   Ascult AI  ·  Appilix SaaS Design
   ============================================================ */

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

/* ==========  1. Layout  ========== */
.hc-layout {
  display: flex;
  min-height: calc(100vh - 80px);          /* below navbar */
  position: relative;
}

/* ==========  2. Sidebar  ========== */
.hc-sidebar {
  width: 300px;
  min-width: 300px;
  background: #ffffff;
  border-right: 1px solid var(--color-border);
  position: sticky;
  top: 80px;                                /* navbar height */
  height: calc(100vh - 80px);
  overflow-y: auto;
  overflow-x: hidden;
  padding: 28px 0 40px;
  z-index: 10;
  scrollbar-width: thin;
  scrollbar-color: var(--color-border) transparent;
}

.hc-sidebar::-webkit-scrollbar {
  width: 5px;
}

.hc-sidebar::-webkit-scrollbar-track {
  background: transparent;
}

.hc-sidebar::-webkit-scrollbar-thumb {
  background: var(--color-border);
  border-radius: 999px;
}

/* ==========  3. Sidebar Header  ========== */
.hc-sidebar-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px 20px;
  border-bottom: 1px solid var(--color-border);
  margin-bottom: 12px;
}

.hc-sidebar-header h2 {
  font-family: 'Exo 2', sans-serif;
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-dark);
  margin: 0;
}

.hc-sidebar-close {
  display: none;                            /* shown on mobile */
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border: none;
  border-radius: 8px;
  background: transparent;
  color: var(--color-muted);
  font-size: 1.25rem;
  cursor: pointer;
  transition: background 0.2s ease, color 0.2s ease;
}

.hc-sidebar-close:hover {
  background: var(--color-primary-soft);
  color: var(--color-dark);
}

/* ==========  4. Category Buttons  ========== */
.hc-category-header {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  padding: 12px 24px;
  border: none;
  background: transparent;
  font-family: 'Exo 2', sans-serif;
  font-size: 0.925rem;
  font-weight: 600;
  color: var(--color-dark);
  cursor: pointer;
  text-align: left;
  transition: background 0.2s ease, color 0.2s ease;
}

.hc-category-header:hover {
  background: var(--color-primary-soft);
}

.hc-category-header .hc-nav-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: 8px;
  background: var(--color-primary-soft);
  color: var(--color-primary);
  font-size: 0.95rem;
  flex-shrink: 0;
  transition: background 0.25s ease, color 0.25s ease;
}

.hc-category-header .hc-nav-icon svg,
.hc-subgroup-header .hc-nav-icon svg,
.hc-nav-external .hc-nav-icon svg {
  width: 16px;
  height: 16px;
}

.hc-nav-chevron svg {
  width: 16px;
  height: 16px;
}

.hc-nav-check svg {
  width: 10px;
  height: 10px;
}

.hc-category-header:hover .hc-nav-icon {
  background: var(--color-primary);
  color: #ffffff;
}

.hc-category-header .hc-nav-label {
  flex: 1;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* Libraria de Sabloane standalone link — matches category-header style */
.hc-nav-sabloane {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  padding: 12px 24px;
  font-family: 'Exo 2', sans-serif;
  font-size: 0.925rem;
  font-weight: 600;
  color: var(--color-dark);
  text-decoration: none;
  cursor: pointer;
  transition: background 0.2s ease, color 0.2s ease;
}
.hc-nav-sabloane:hover {
  background: var(--color-primary-soft);
}
.hc-nav-sabloane .hc-nav-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: 8px;
  background: var(--color-primary-soft);
  color: var(--color-primary);
  flex-shrink: 0;
  transition: background 0.25s ease, color 0.25s ease;
}
.hc-nav-sabloane .hc-nav-icon svg {
  width: 16px;
  height: 16px;
}
.hc-nav-sabloane:hover .hc-nav-icon {
  background: var(--color-primary);
  color: #ffffff;
}
.hc-nav-sabloane .hc-nav-label {
  flex: 1;
}

/* ==========  5. Category Items Container (collapsible)  ========== */
.hc-category-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

.hc-category.open > .hc-category-content {
  max-height: 2000px;                      /* large enough for any content */
  transition: max-height 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ==========  6. Sub-group (nested collapsible for guide chapters)  ========== */
.hc-subgroup {
  padding-left: 0;
}

.hc-subgroup-header {
  display: flex;
  align-items: center;
  gap: 8px;
  width: 100%;
  padding: 9px 24px 9px 62px;              /* indent: icon-width + gap + parent pad */
  border: none;
  background: transparent;
  font-family: 'Inter', system-ui, sans-serif;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-dark);
  cursor: pointer;
  text-align: left;
  transition: background 0.2s ease, color 0.2s ease;
}

.hc-subgroup-header:hover {
  background: var(--color-primary-soft);
}

.hc-subgroup-header .hc-nav-label {
  flex: 1;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.hc-subgroup-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.hc-subgroup.open > .hc-subgroup-content {
  max-height: 1500px;
  transition: max-height 0.45s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ==========  7. Leaf Items  ========== */
.hc-sidebar-link {
  display: flex;
  align-items: center;
  gap: 8px;
  width: 100%;
  padding: 8px 24px 8px 76px;              /* deeper indent */
  border: none;
  border-left: 3px solid transparent;
  background: transparent;
  font-family: 'Inter', system-ui, sans-serif;
  font-size: 0.835rem;
  font-weight: 400;
  color: var(--color-muted);
  cursor: pointer;
  text-align: left;
  text-decoration: none;
  transition: background 0.2s ease,
              color 0.2s ease,
              border-color 0.2s ease;
}

.hc-sidebar-link:hover {
  background: var(--color-primary-soft);
  color: var(--color-dark);
}

/* Active state */
.hc-sidebar-link.active {
  background: var(--color-primary-soft);
  color: var(--color-primary);
  border-left-color: var(--color-primary);
  font-weight: 500;
}

/* Completed state – shows the check icon */
.hc-sidebar-link.completed {
  color: var(--color-muted);
}

.hc-sidebar-link.completed .hc-nav-check {
  display: inline-flex;
}

/* Items directly under category (no subgroup) */
.hc-category-content > .hc-sidebar-link {
  padding-left: 44px;
  font-weight: 500;
  font-size: 0.875rem;
  color: var(--color-dark);
}

.hc-sidebar-link .hc-nav-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 22px;
  height: 22px;
  border-radius: 6px;
  background: var(--color-primary-soft);
  color: var(--color-primary);
  flex-shrink: 0;
}

.hc-sidebar-link .hc-nav-icon svg {
  width: 13px;
  height: 13px;
}

/* ==========  8. Chapter Number  ========== */
.hc-nav-num {
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--color-muted);
  opacity: 0.7;
  min-width: 18px;
  flex-shrink: 0;
}

/* ==========  9. Check Icon  ========== */
.hc-nav-check {
  display: none;                            /* hidden by default */
  align-items: center;
  justify-content: center;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--color-primary);
  color: #ffffff;
  font-size: 0.6rem;
  flex-shrink: 0;
  margin-left: auto;
}

/* ==========  10. Chevron  ========== */
.hc-nav-chevron {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 20px;
  height: 20px;
  font-size: 0.7rem;
  color: var(--color-muted);
  flex-shrink: 0;
  transition: transform 0.25s ease;
  margin-left: auto;
}

/* Rotate when parent is open */
.hc-category.open > .hc-category-header .hc-nav-chevron,
.hc-subgroup.open > .hc-subgroup-header .hc-nav-chevron {
  transform: rotate(180deg);
}

/* ==========  10b. Nav Separator  ========== */
.hc-nav-separator {
  height: 1px;
  background: var(--color-border);
  margin: 12px 24px;
}

/* ==========  11. External Link  ========== */
.hc-nav-external {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  padding: 12px 24px;
  border: none;
  background: transparent;
  font-family: 'Exo 2', sans-serif;
  font-size: 0.925rem;
  font-weight: 600;
  color: var(--color-primary);
  cursor: pointer;
  text-align: left;
  text-decoration: none;
  transition: background 0.2s ease;
}

.hc-nav-external:hover {
  background: var(--color-primary-soft);
}

.hc-nav-external .hc-nav-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: 8px;
  background: var(--color-primary-soft);
  color: var(--color-primary);
  font-size: 0.95rem;
  flex-shrink: 0;
}

.hc-nav-external .hc-nav-arrow {
  margin-left: auto;
  font-size: 0.8rem;
  opacity: 0.6;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.hc-nav-external:hover .hc-nav-arrow {
  transform: translateX(3px);
  opacity: 1;
}

/* ==========  12. Content Area  ========== */
.hc-content {
  flex: 1;
  max-width: 900px;
  margin: 0 auto;                           /* center content in available space */
  padding: 40px 48px 80px;
  min-width: 0;                             /* prevent flex blowout */
}

/* ==========  13. Sections  ========== */
.hc-section {
  display: none;
}

.hc-section.active {
  display: block;
  animation: hcFadeIn 0.35s ease-out both;
}

/* ==========  13b. All guide chapters visible (no step-by-step)  ========== */
.hc-section .guide-chapter {
  display: block !important;
  animation: none;
}

.hc-section .guide-chapter + .guide-chapter {
  margin-top: 3rem;
  padding-top: 3rem;
  border-top: 1px solid var(--color-border);
}

/* Hide progress bar and nav footer inside help center */
.hc-section .guide-progress,
.hc-section .guide-nav-footer {
  display: none !important;
}

/* ==========  14. Mobile Sidebar Toggle  ========== */
.hc-sidebar-toggle {
  display: none;                            /* hidden on desktop */
  align-items: center;
  justify-content: center;
  position: fixed;
  bottom: 24px;
  left: 24px;
  width: 48px;
  height: 48px;
  border: none;
  border-radius: 50%;
  background: var(--color-primary);
  color: #ffffff;
  font-size: 1.2rem;
  cursor: pointer;
  box-shadow: 0 4px 16px rgba(0, 200, 150, 0.35);
  z-index: 100;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.hc-sidebar-toggle:hover {
  transform: scale(1.08);
  box-shadow: 0 6px 24px rgba(0, 200, 150, 0.45);
}

/* ==========  15. Mobile Overlay  ========== */
.hc-sidebar-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.35);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  z-index: 199;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.hc-sidebar-overlay.visible,
.hc-sidebar-overlay.active {
  display: block;
  opacity: 1;
}

/* ============================================================
   16. Responsive – Mobile  (<=960px)
   ============================================================ */
@media (max-width: 960px) {

  /* Show toggle */
  .hc-sidebar-toggle {
    display: flex;
  }

  /* Show close button inside sidebar */
  .hc-sidebar-close {
    display: flex;
  }

  /* Off-canvas sidebar */
  .hc-sidebar {
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    height: 100vh;
    width: 300px;
    min-width: 300px;
    z-index: 200;
    transform: translateX(-100%);
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: none;
    padding-top: 0;
  }

  .hc-sidebar.open {
    transform: translateX(0);
    box-shadow: 8px 0 32px rgba(0, 0, 0, 0.1);
  }

  /* Sidebar header sticks at top on mobile */
  .hc-sidebar-header {
    position: sticky;
    top: 0;
    background: #ffffff;
    z-index: 2;
    padding-top: 20px;
  }

  /* Content fills full width */
  .hc-content {
    padding: 32px 20px 80px;
    max-width: 100%;
  }
}

/* Extra-small screens */
@media (max-width: 480px) {
  .hc-sidebar {
    width: 85vw;
    min-width: 260px;
  }

  .hc-content {
    padding: 24px 16px 80px;
  }

  .hc-sidebar-link {
    padding-left: 56px;
  }

  .hc-category-content > .hc-sidebar-link {
    padding-left: 48px;
  }

  .hc-subgroup-header {
    padding-left: 48px;
  }
}

/* ============================================================
   Desktop – ensure sidebar is always visible
   ============================================================ */
@media (min-width: 961px) {
  .hc-sidebar-toggle {
    display: none !important;
  }

  .hc-sidebar-overlay {
    display: none !important;
  }

  .hc-sidebar {
    transform: none !important;
  }

  .hc-sidebar-close {
    display: none !important;
  }
}