/* ═══════════════════════════════════════════════
   CRATOORA STEREO — stereo.css v9.2
   Deploy to: assets.cratoora.com/styles/stereo.css
   Sidebar + main layout, unique to Stereo
═══════════════════════════════════════════════ */

/* ── Reset body for app layout ── */
body.stereo-layout {
  overflow: hidden;
  height: 100dvh;
  display: flex;
  flex-direction: column;
}

/* ── Shell: sidebar + main side by side ── */
.stereo-shell {
  display: flex;
  flex: 1;
  overflow: hidden;
  height: calc(100dvh - 72px); /* 72px = player bar height */
}

/* ════════════════════════════════════
   SIDEBAR
════════════════════════════════════ */
.stereo-sidebar {
  width: 240px;
  flex-shrink: 0;
  background: #0d0d0d;
  border-right: 1px solid rgba(255,255,255,0.07);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  transition: width 0.3s cubic-bezier(0.23,1,0.32,1);
  position: relative;
  z-index: 20;
}

/* Collapsed sidebar */
.stereo-sidebar.collapsed {
  width: 64px;
}

.stereo-sidebar.collapsed .snl-label,
.stereo-sidebar.collapsed .sidebar-nav-label,
.stereo-sidebar.collapsed .sidebar-footer,
.stereo-sidebar.collapsed .sidebar-logo img { opacity: 0; pointer-events: none; }

.stereo-sidebar.collapsed .sidebar-logo {
  justify-content: center;
}

.stereo-sidebar.collapsed .sidebar-nav-link {
  justify-content: center;
  padding: 0.75rem;
}

/* Sidebar header */
.sidebar-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 0.85rem;
  border-bottom: 1px solid rgba(255,255,255,0.06);
  flex-shrink: 0;
}

.sidebar-logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  text-decoration: none;
}

.sidebar-collapse-btn {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  color: rgba(255,255,255,0.4);
  background: transparent;
  border: none;
  cursor: pointer;
  flex-shrink: 0;
  transition: background 0.15s, color 0.15s;
}
.sidebar-collapse-btn:hover {
  background: rgba(255,255,255,0.08);
  color: #fff;
}

/* Sidebar nav */
.sidebar-nav {
  flex: 1;
  overflow-y: auto;
  overflow-x: hidden;
  padding: 0.75rem 0;
  scrollbar-width: thin;
  scrollbar-color: rgba(255,255,255,0.1) transparent;
}

.sidebar-nav-group {
  padding: 0.5rem 0 0.75rem;
}

.sidebar-nav-label {
  display: block;
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.3);
  padding: 0.35rem 1rem 0.4rem;
  white-space: nowrap;
  overflow: hidden;
  transition: opacity 0.2s;
}

.sidebar-nav-link {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.6rem 1rem;
  font-size: 0.88rem;
  font-weight: 500;
  color: rgba(255,255,255,0.55);
  text-decoration: none;
  border-radius: 0;
  transition: color 0.15s, background 0.15s;
  white-space: nowrap;
  overflow: hidden;
  position: relative;
}

.sidebar-nav-link::before {
  content: '';
  position: absolute;
  left: 0;
  top: 20%;
  bottom: 20%;
  width: 3px;
  background: var(--c-purple, #8B5CF6);
  border-radius: 0 2px 2px 0;
  opacity: 0;
  transition: opacity 0.15s;
}

.sidebar-nav-link:hover {
  color: #fff;
  background: rgba(255,255,255,0.05);
}

.sidebar-nav-link.active {
  color: #fff;
  background: rgba(139,92,246,0.12);
  font-weight: 700;
}

.sidebar-nav-link.active::before { opacity: 1; }

.snl-icon {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  stroke-width: 1.8;
}

.snl-label {
  overflow: hidden;
  text-overflow: ellipsis;
  transition: opacity 0.2s;
}

/* Live dot in nav */
.live-dot-nav {
  color: #ef4444;
  font-size: 0.55em;
  vertical-align: middle;
  animation: liveFlash 2s ease-in-out infinite;
}

/* Sidebar footer */
.sidebar-footer {
  padding: 0.85rem;
  border-top: 1px solid rgba(255,255,255,0.06);
  flex-shrink: 0;
  transition: opacity 0.2s;
}

.sidebar-auth {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.btn-sidebar-signin {
  display: block;
  text-align: center;
  padding: 0.5rem;
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: 8px;
  font-size: 0.82rem;
  font-weight: 600;
  color: rgba(255,255,255,0.7);
  text-decoration: none;
  transition: border-color 0.15s, color 0.15s;
}
.btn-sidebar-signin:hover { border-color: rgba(255,255,255,0.35); color: #fff; }

.btn-sidebar-signup {
  display: block;
  text-align: center;
  padding: 0.5rem;
  background: var(--c-purple, #8B5CF6);
  border-radius: 8px;
  font-size: 0.82rem;
  font-weight: 700;
  color: #fff;
  text-decoration: none;
  transition: opacity 0.15s;
}
.btn-sidebar-signup:hover { opacity: 0.88; }

/* ════════════════════════════════════
   MAIN CONTENT AREA
════════════════════════════════════ */
.stereo-main {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  background: #080808;
}

/* Sticky topbar */
.stereo-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 1.5rem;
  height: 56px;
  background: rgba(8,8,8,0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(255,255,255,0.06);
  flex-shrink: 0;
  z-index: 10;
  gap: 1rem;
}

.topbar-left {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  min-width: 0;
}

.topbar-burger {
  display: none; /* hidden on desktop — shown on mobile */
  flex-direction: column;
  gap: 4px;
  width: 32px;
  height: 32px;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: none;
  cursor: pointer;
  border-radius: 8px;
  padding: 0.3rem;
}
.topbar-burger span {
  display: block;
  width: 18px;
  height: 2px;
  background: rgba(255,255,255,0.6);
  border-radius: 1px;
  transition: background 0.15s;
}
.topbar-burger:hover span { background: #fff; }

.topbar-nav-btn {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: rgba(255,255,255,0.08);
  border: none;
  color: rgba(255,255,255,0.6);
  font-size: 0.85rem;
  cursor: pointer;
  transition: background 0.15s, color 0.15s;
  flex-shrink: 0;
}
.topbar-nav-btn:hover { background: rgba(255,255,255,0.14); color: #fff; }

.topbar-page-title {
  font-family: var(--font-display, 'Syne', sans-serif);
  font-size: 0.95rem;
  font-weight: 700;
  color: rgba(255,255,255,0.7);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  padding-left: 0.25rem;
  transition: opacity 0.3s;
}

.topbar-right {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-shrink: 0;
}

.btn-topbar-upgrade {
  padding: 0.4rem 1rem;
  background: var(--c-purple, #8B5CF6);
  border-radius: 99px;
  font-size: 0.8rem;
  font-weight: 700;
  color: #fff;
  text-decoration: none;
  white-space: nowrap;
  transition: opacity 0.15s;
}
.btn-topbar-upgrade:hover { opacity: 0.88; }

/* Scrollable content */
.stereo-content {
  flex: 1;
  overflow-y: auto;
  overflow-x: hidden;
  scroll-behavior: smooth;
  scrollbar-width: thin;
  scrollbar-color: rgba(255,255,255,0.1) transparent;
  padding-bottom: 2rem;
}

/* ════════════════════════════════════
   SECTIONS
════════════════════════════════════ */
.stereo-section {
  padding: 2rem 1.5rem 0.5rem;
}

.stereo-genre-filter {
  padding: 1rem 0 0.5rem;
  position: sticky;
  top: 0;
  background: rgba(8,8,8,0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  z-index: 5;
  border-bottom: 1px solid rgba(255,255,255,0.05);
}

.stereo-section-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1.1rem;
}

.stereo-heading {
  font-family: var(--font-display, 'Syne', sans-serif);
  font-size: clamp(1.15rem, 2vw, 1.45rem);
  font-weight: 800;
  color: #fff;
  margin: 0 0 0.2rem;
  line-height: 1.2;
}

.stereo-sub {
  font-size: 0.78rem;
  color: rgba(255,255,255,0.4);
  margin: 0;
}

/* ════════════════════════════════════
   DIG IN THE CRATES
════════════════════════════════════ */
.dig-section { padding-top: 2.5rem; }

.dig-heading .dig-icon {
  font-style: normal;
  margin-right: 0.3rem;
}

/* Dig tabs */
.dig-tabs {
  display: flex;
  gap: 0.4rem;
  flex-wrap: wrap;
  margin-bottom: 1.25rem;
}

.dig-tab {
  padding: 0.45rem 1rem;
  border-radius: 99px;
  font-size: 0.8rem;
  font-weight: 600;
  color: rgba(255,255,255,0.5);
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.08);
  cursor: pointer;
  font-family: inherit;
  transition: all 0.18s;
}
.dig-tab:hover { color: #fff; background: rgba(255,255,255,0.1); }
.dig-tab.active {
  color: #fff;
  background: rgba(139,92,246,0.2);
  border-color: rgba(139,92,246,0.5);
}

.dig-panel { display: block; }
.dig-panel[hidden] { display: none; }

/* Neighborhood grid */
.neighborhood-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 0.85rem;
}

.hood-card {
  position: relative;
  border-radius: 14px;
  overflow: hidden;
  aspect-ratio: 4/3;
  text-decoration: none;
  cursor: pointer;
  transition: transform 0.22s ease, box-shadow 0.22s ease;
}
.hood-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 40px rgba(0,0,0,0.5);
}

.hood-card-bg {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, var(--hood-from), var(--hood-to));
  opacity: 0.9;
  transition: opacity 0.22s;
}
.hood-card:hover .hood-card-bg { opacity: 1; }

/* Subtle noise texture on hood cards */
.hood-card-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.08'/%3E%3C/svg%3E");
  opacity: 0.35;
  mix-blend-mode: overlay;
}

.hood-card-body {
  position: relative;
  z-index: 2;
  padding: 1rem;
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
}

.hood-name {
  font-family: var(--font-display, 'Syne', sans-serif);
  font-size: 1.05rem;
  font-weight: 800;
  color: #fff;
  line-height: 1.1;
  margin-bottom: 0.25rem;
}

.hood-count {
  font-size: 0.7rem;
  font-weight: 700;
  color: rgba(255,255,255,0.7);
  margin-bottom: 0.2rem;
}

.hood-vibe {
  font-size: 0.65rem;
  color: rgba(255,255,255,0.5);
}

/* Mood grid */
.mood-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 0.75rem;
}

.mood-card {
  position: relative;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--m-from), var(--m-to));
  padding: 1.25rem 1rem;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.35rem;
  text-decoration: none;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  overflow: hidden;
}
.mood-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 32px rgba(0,0,0,0.45);
}

.mood-emoji { font-size: 1.8rem; line-height: 1; }

.mood-name {
  font-family: var(--font-display, 'Syne', sans-serif);
  font-size: 0.95rem;
  font-weight: 800;
  color: #fff;
}

.mood-count {
  font-size: 0.68rem;
  color: rgba(255,255,255,0.55);
}

/* Era list */
.era-list {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.era-row {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1rem 1.25rem;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.07);
  border-radius: 12px;
  text-decoration: none;
  transition: background 0.18s, border-color 0.18s, transform 0.18s;
}
.era-row:hover {
  background: rgba(255,255,255,0.08);
  border-color: rgba(139,92,246,0.3);
  transform: translateX(4px);
}

.era-decade {
  font-family: var(--font-display, 'Syne', sans-serif);
  font-size: 1.3rem;
  font-weight: 800;
  color: var(--c-purple, #8B5CF6);
  min-width: 52px;
}

.era-desc {
  flex: 1;
  font-size: 0.85rem;
  color: rgba(255,255,255,0.65);
  line-height: 1.4;
}

.era-count {
  font-size: 0.75rem;
  font-weight: 600;
  color: rgba(255,255,255,0.35);
  white-space: nowrap;
}

.era-arrow {
  color: rgba(255,255,255,0.25);
  font-size: 0.9rem;
  transition: color 0.15s, transform 0.15s;
}
.era-row:hover .era-arrow { color: #fff; transform: translateX(3px); }

/* Underground banner */
.underground-banner {
  background: linear-gradient(135deg, rgba(139,92,246,0.12), rgba(59,7,100,0.2));
  border: 1px solid rgba(139,92,246,0.25);
  border-radius: 16px;
  padding: 1.5rem;
  margin-bottom: 1.25rem;
}

.ug-eyebrow {
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--c-purple, #8B5CF6);
  margin-bottom: 0.5rem;
}

.ug-title {
  font-family: var(--font-display, 'Syne', sans-serif);
  font-size: 1.4rem;
  font-weight: 800;
  color: #fff;
  margin-bottom: 0.5rem;
}

.ug-body {
  font-size: 0.85rem;
  color: rgba(255,255,255,0.55);
  line-height: 1.5;
  max-width: 520px;
}

/* ════════════════════════════════════
   CHARTS GRID
════════════════════════════════════ */
.charts-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}

@media (min-width: 800px) {
  .charts-grid { grid-template-columns: 1fr 1fr; }
}

.charts-col-header {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.4);
  padding: 0 0 0.75rem;
  border-bottom: 1px solid rgba(255,255,255,0.07);
  margin-bottom: 0.25rem;
}

.charts-track-list .track-row { padding: 0.5rem 0; }

/* Chart trend indicator */
.chart-trend {
  font-size: 0.65rem;
  font-weight: 800;
  min-width: 28px;
  text-align: center;
  flex-shrink: 0;
}
.chart-trend.up   { color: #10b981; }
.chart-trend.down { color: #ef4444; }
.chart-trend.same { color: rgba(255,255,255,0.25); }
.chart-trend.new  {
  color: var(--c-amber, #D97706);
  font-size: 0.58rem;
  letter-spacing: 0.05em;
}

/* ════════════════════════════════════
   MOBILE — sidebar as drawer
════════════════════════════════════ */
@media (max-width: 768px) {
  body.stereo-layout { overflow: auto; }

  .stereo-shell { flex-direction: column; height: auto; overflow: visible; }

  .stereo-sidebar {
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    width: 280px;
    transform: translateX(-100%);
    transition: transform 0.32s cubic-bezier(0.23,1,0.32,1);
    z-index: 200;
  }
  .stereo-sidebar.open { transform: translateX(0); }

  .stereo-main {
    height: auto;
    overflow: visible;
  }

  .stereo-content {
    overflow: visible;
    height: auto;
  }

  .topbar-burger { display: flex; }

  .stereo-topbar { padding: 0 1rem; }

  .stereo-section { padding: 1.5rem 1rem 0.5rem; }

  .neighborhood-grid { grid-template-columns: repeat(2, 1fr); }
  .mood-grid { grid-template-columns: repeat(2, 1fr); }
  .charts-grid { grid-template-columns: 1fr; }

  .stereo-backdrop {
    display: block;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.6);
    z-index: 190;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s;
  }
  .stereo-backdrop.visible {
    opacity: 1;
    pointer-events: all;
  }
}

/* Desktop — no backdrop needed */
@media (min-width: 769px) {
  .stereo-backdrop { display: none !important; }
}