/* ============================================
   Layout: Sidebar + Main Content
   ============================================ */

/* Page body — flex container for sidebar + main */
.cg-page-body {
  display: flex;
  align-items: flex-start;
  min-height: calc(100vh - var(--cg-header-height));
  background-color: var(--cg-bg-primary);
}

/* Main wrapper */
.cg-main {
  flex: 1;
  min-width: 0;
  padding: var(--cg-spacing-md) var(--cg-spacing-lg) var(--cg-spacing-2xl);
  background-color: var(--cg-bg-primary);
}

/* Container */
.cg-container {
  max-width: 100%;
  margin: 0;
  padding: 0;
}

/* ============================================
   Left Sidebar
   ============================================ */

.cg-sidebar {
  width: var(--cg-sidebar-width);
  flex-shrink: 0;
  position: sticky;
  top: var(--cg-header-height);
  height: calc(100vh - var(--cg-header-height));
  overflow-y: auto;
  background: var(--cg-bg-sidebar);
  border-right: 1px solid var(--cg-border-light);
  padding: var(--cg-spacing-sm) 0 var(--cg-spacing-2xl);
  scrollbar-width: thin;
  scrollbar-color: var(--cg-border) transparent;
  z-index: 100;
}

.cg-sidebar::-webkit-scrollbar {
  width: 4px;
}

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

.cg-sidebar::-webkit-scrollbar-thumb {
  background: var(--cg-border);
  border-radius: var(--cg-radius-full);
}

.cg-sidebar-section {
  margin-bottom: var(--cg-spacing-xs);
}

.cg-sidebar-heading {
  font-size: 10px;
  font-weight: var(--cg-font-weight-bold);
  color: var(--cg-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.8px;
  padding: 0 var(--cg-spacing-md);
  margin-bottom: var(--cg-spacing-xs);
  margin-top: var(--cg-spacing-md);
  display: block;
}

.cg-sidebar-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px var(--cg-spacing-md);
  font-size: var(--cg-font-size-sm);
  font-weight: var(--cg-font-weight-medium);
  color: var(--cg-text-secondary);
  cursor: pointer;
  border: none;
  background: transparent;
  width: 100%;
  text-align: left;
  transition: background-color var(--cg-transition-fast), color var(--cg-transition-fast);
  position: relative;
}

.cg-sidebar-item i {
  width: 18px;
  text-align: center;
  font-size: 14px;
  color: var(--cg-text-muted);
  flex-shrink: 0;
  transition: color var(--cg-transition-fast);
}

.cg-sidebar-item:hover {
  background-color: var(--cg-bg-hover);
  color: var(--cg-primary);
}

.cg-sidebar-item:hover i {
  color: var(--cg-primary);
}

.cg-sidebar-item.active {
  background-color: var(--cg-primary-subtle);
  color: var(--cg-primary);
  font-weight: var(--cg-font-weight-semibold);
}

.cg-sidebar-item.active i {
  color: var(--cg-primary);
}

/* Left accent bar on active item */
.cg-sidebar-item.active::before {
  content: '';
  position: absolute;
  left: 0;
  top: 4px;
  bottom: 4px;
  width: 3px;
  background: var(--cg-primary);
  border-radius: 0 3px 3px 0;
}

.cg-sidebar-divider {
  height: 1px;
  background: var(--cg-border-light);
  margin: var(--cg-spacing-sm) var(--cg-spacing-md);
}

/* ============================================
   Sidebar Overlay & Mobile Toggle (FAB)
   ============================================ */

.cg-sidebar-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.45);
  z-index: 200;
  opacity: 0;
  transition: opacity var(--cg-transition-base);
}

.cg-sidebar-overlay.active {
  opacity: 1;
}

.cg-sidebar-toggle {
  display: none;
  position: fixed;
  bottom: 20px;
  left: 16px;
  width: 44px;
  height: 44px;
  border-radius: var(--cg-radius-full);
  background: var(--cg-primary);
  color: #ffffff;
  border: none;
  cursor: pointer;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  box-shadow: 0 4px 16px rgba(97, 71, 255, 0.4);
  z-index: 201;
}

/* ============================================
   Section titles & headers
   ============================================ */

.cg-section-title {
  font-size: var(--cg-font-size-xl);
  font-weight: var(--cg-font-weight-bold);
  color: var(--cg-text-primary);
  margin-bottom: var(--cg-spacing-lg);
}

.cg-section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--cg-spacing-lg);
}

.cg-section-link {
  font-size: var(--cg-font-size-sm);
  color: var(--cg-primary);
  font-weight: var(--cg-font-weight-medium);
}

.cg-section-link:hover {
  color: var(--cg-primary-light);
  text-decoration: underline;
}

/* ============================================
   Sliders (Recently Played, Recommended)
   ============================================ */

.cg-slider-section {
  margin-bottom: var(--cg-spacing-2xl);
  background-color: var(--cg-bg-secondary);
  border-radius: var(--cg-radius-lg);
  padding: var(--cg-spacing-xl);
  border: 1px solid var(--cg-border-light);
}

.cg-slider-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--cg-spacing-md);
}

.cg-slider-title {
  font-size: var(--cg-font-size-lg);
  font-weight: var(--cg-font-weight-semibold);
  color: var(--cg-text-primary);
}

.cg-slider-controls {
  display: flex;
  gap: var(--cg-spacing-xs);
}

.cg-slider-btn {
  width: 32px;
  height: 32px;
  border-radius: var(--cg-radius-md);
  border: 1px solid var(--cg-border);
  background: var(--cg-bg-primary);
  color: var(--cg-text-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  cursor: pointer;
  transition: all var(--cg-transition-base);
}

.cg-slider-btn:hover:not(:disabled) {
  background: var(--cg-primary);
  border-color: var(--cg-primary);
  color: #ffffff;
}

.cg-slider-btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.cg-slider-viewport {
  overflow: hidden;
}

.cg-slider-container {
  overflow: hidden;
}

.cg-slider-track {
  display: flex;
  gap: var(--cg-spacing-md);
  transition: transform 0.35s ease;
}

/* Horizontal section (Recently Played, Recommended) */
.cg-horizontal-section {
  margin-bottom: var(--cg-spacing-2xl);
}

/* Detail page containers */
.cg-container-hero {
  max-width: var(--cg-container-max-width);
  margin: 0 auto;
  padding: 0 var(--cg-spacing-lg);
}

.cg-container-v {
  max-width: var(--cg-container-max-width);
  margin: 0 auto;
  padding: var(--cg-spacing-xl) var(--cg-spacing-lg) var(--cg-spacing-2xl);
}

/* ============================================
   Responsive
   ============================================ */

/* Tablet — sidebar collapses to icon-only strip */
@media (max-width: 1024px) {
  .cg-sidebar {
    width: 52px;
    overflow: visible;
  }

  .cg-sidebar-item span,
  .cg-sidebar-heading,
  .cg-sidebar-count {
    display: none;
  }

  .cg-sidebar-item {
    justify-content: center;
    padding: 10px;
  }

  .cg-sidebar-item i {
    width: auto;
    font-size: 18px;
  }

  .cg-sidebar-item.active::before {
    top: 6px;
    bottom: 6px;
  }

  .cg-sidebar-divider {
    margin: var(--cg-spacing-xs) var(--cg-spacing-sm);
  }
}

/* Mobile — sidebar becomes off-canvas drawer */
@media (max-width: 768px) {
  .cg-page-body {
    display: block;
  }

  .cg-sidebar {
    position: fixed;
    top: var(--cg-header-height);
    left: 0;
    height: calc(100vh - var(--cg-header-height));
    width: 240px;
    transform: translateX(-100%);
    transition: transform var(--cg-transition-base);
    z-index: 201;
    overflow-y: auto;
    box-shadow: var(--cg-shadow-xl);
  }

  .cg-sidebar.open {
    transform: translateX(0);
  }

  /* Restore text in open drawer */
  .cg-sidebar.open .cg-sidebar-item span,
  .cg-sidebar.open .cg-sidebar-heading,
  .cg-sidebar.open .cg-sidebar-count {
    display: inline;
  }

  .cg-sidebar.open .cg-sidebar-item {
    justify-content: flex-start;
    padding: 9px var(--cg-spacing-md);
  }

  .cg-sidebar.open .cg-sidebar-item i {
    font-size: 14px;
    width: 18px;
  }

  .cg-sidebar-overlay {
    display: block;
  }

  .cg-sidebar-toggle {
    display: flex;
  }

  .cg-main {
    padding: var(--cg-spacing-md);
  }

  .cg-slider-section {
    padding: var(--cg-spacing-md);
    border-radius: var(--cg-radius-md);
  }
}