/* ============================================================
   ENGELS811 SPOTIFY HQ – HEADER & NAVIGATION
   ============================================================

   Unified Header System for all three Spotify Admin Pages:
   - Dashboard (/admin/spotify)
   - Settings (/admin/spotify/settings)
   - Callback Appearance (/admin/spotify/callback-appearance)

   Components:
   - Hero Banner
   - Branding
   - Tabs Navigation
   - OBS Widgets Menu
   - Connection Status

   ============================================================ */

/* ============================================================
   HERO HEADER CONTAINER
   ============================================================ */

.spotify-hq-hero {
  position: relative;
  padding: var(--spacing-2xl);
  border-radius: 28px;
  border: 1px solid var(--border-soft);
  background: linear-gradient(
    135deg,
    rgba(29, 185, 84, 0.08) 0%,
    rgba(96, 165, 250, 0.06) 30%,
    rgba(232, 24, 24, 0.06) 100%
  );
  box-shadow: var(--shadow-lg), inset 0 1px 0 var(--glass-light);
  backdrop-filter: blur(10px);
  margin-bottom: var(--spacing-xl);
  display: flex;
  justify-content: space-between;
  gap: var(--spacing-xl);
  flex-wrap: wrap;
  align-items: flex-start;
}

.spotify-hq-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: 28px;
  background: radial-gradient(circle at top right, rgba(232, 24, 24, 0.08), transparent 60%);
  pointer-events: none;
  z-index: 0;
}

.spotify-hq-hero > * {
  position: relative;
  z-index: 1;
}

/* ============================================================
   HERO CONTENT SECTION
   ============================================================ */

.spotify-hq-hero__copy {
  display: grid;
  gap: var(--spacing-lg);
  max-width: 800px;
  flex: 1;
}

.spotify-hq-hero__copy h1 {
  margin: 0;
  background: linear-gradient(135deg, #ffffff 0%, #9ca3af 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.spotify-hq-hero__copy p {
  margin: 0;
  font-size: var(--text-base);
  line-height: 1.7;
  color: var(--text-secondary);
}

/* ============================================================
   HERO STATUS (Connection State)
   ============================================================ */

.spotify-hq-hero__state {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  width: fit-content;
  height: 42px;
  padding: 0 var(--spacing-lg);
  border-radius: 999px;
  border: 1px solid var(--border-soft);
  background: var(--glass-light);
  font-size: var(--text-sm);
  font-weight: 600;
}

.spotify-hq-hero__dot {
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: var(--status-warning);
  animation: pulse 2s ease-in-out infinite;
  box-shadow: 0 0 8px currentColor;
}

.spotify-hq-hero__state[data-health-state="live"] .spotify-hq-hero__dot {
  background: var(--status-success);
}

.spotify-hq-hero__state[data-health-state="error"] .spotify-hq-hero__dot {
  background: var(--status-error);
}

/* ============================================================
   HERO ACTION BUTTONS
   ============================================================ */

.spotify-hq-hero__actions {
  display: flex;
  gap: var(--spacing-md);
  flex-wrap: wrap;
  align-items: flex-start;
}

/* ============================================================
   TAB NAVIGATION SYSTEM
   ============================================================ */

.spotify-hq-tabs {
  display: flex;
  gap: var(--spacing-sm);
  flex-wrap: wrap;
  border-bottom: 1px solid var(--border-soft);
  padding-bottom: var(--spacing-lg);
  margin-bottom: var(--spacing-xl);
}

.spotify-hq-tab {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-sm);
  min-height: 40px;
  padding: 0 var(--spacing-lg);
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  background: transparent;
  color: var(--text-secondary);
  text-decoration: none;
  font-weight: 600;
  font-size: var(--text-sm);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  cursor: pointer;
  transition: all var(--transition);
  position: relative;
  white-space: nowrap;
}

.spotify-hq-tab:hover {
  color: var(--text-primary);
  background: var(--glass-light);
  border-color: var(--border-soft);
}

/* ACTIVE TAB – Red Neon Style */
.spotify-hq-tab.is-active {
  background: linear-gradient(135deg, rgba(232, 24, 24, 0.15), rgba(232, 24, 24, 0.08));
  border-color: var(--border-red-bright);
  color: var(--engels-red-bright);
  box-shadow: var(--glow-red-sm);
}

.spotify-hq-tab.is-active::before {
  content: '';
  position: absolute;
  bottom: -var(--spacing-lg);
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--engels-red), var(--engels-red-bright), var(--engels-red));
  border-radius: 1px;
  box-shadow: var(--glow-red-md);
}

/* Settings Style Tabs (for /admin/spotify/settings) */
.spotify-settings-tab {
  display: inline-flex;
  align-items: center;
  min-height: 38px;
  padding: 0 var(--spacing-lg);
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.09);
  background: rgba(255, 255, 255, 0.04);
  color: #fff;
  text-decoration: none;
  font-weight: 800;
  font-size: var(--text-sm);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.spotify-settings-tab:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: var(--border-red-glow);
}

.spotify-settings-tab.is-active {
  background: rgba(29, 185, 84, 0.18);
  border-color: rgba(29, 185, 84, 0.3);
}

/* ============================================================
   OBS WIDGETS MENU
   ============================================================ */

.spotify-hq-obs-wrapper {
  position: relative;
  z-index: 100;
}

.spotify-hq-obs-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  min-height: 40px;
  padding: var(--spacing-md) var(--spacing-lg);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-red-glow);
  background: linear-gradient(135deg, rgba(232, 24, 24, 0.1), rgba(232, 24, 24, 0.05));
  color: var(--text-primary);
  font-weight: 600;
  font-size: var(--text-sm);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  cursor: pointer;
  transition: all var(--transition-fast);
  box-shadow: var(--glow-red-sm);
  position: relative;
  overflow: visible;
}

.spotify-hq-obs-toggle:hover {
  border-color: var(--border-red-bright);
  box-shadow: var(--glow-red-md);
  transform: translateY(-2px);
  background: linear-gradient(135deg, rgba(232, 24, 24, 0.15), rgba(232, 24, 24, 0.08));
}

.spotify-hq-obs-toggle:active {
  transform: translateY(0);
}

.spotify-hq-obs-toggle[aria-expanded="true"] {
  background: linear-gradient(135deg, rgba(232, 24, 24, 0.2), rgba(232, 24, 24, 0.12));
  box-shadow: var(--glow-red-lg);
}

/* Menu Container */
.spotify-hq-obs-menu {
  position: absolute;
  top: calc(100% + var(--spacing-sm));
  right: 0;
  width: 280px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-red-glow);
  background: linear-gradient(135deg, rgba(26, 26, 26, 0.95), rgba(32, 32, 32, 0.92));
  backdrop-filter: blur(20px);
  box-shadow: var(--shadow-xl), var(--glow-red-md);
  padding: var(--spacing-md);
  z-index: 200;
  animation: slideDown var(--transition);
}

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

.spotify-hq-obs-menu[hidden] {
  display: none;
}

/* Menu Navigation */
.spotify-hq-obs-nav {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
}

.spotify-hq-obs-link {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  padding: var(--spacing-md) var(--spacing-lg);
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  background: transparent;
  color: var(--text-secondary);
  text-decoration: none;
  font-size: var(--text-sm);
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.spotify-hq-obs-link:hover {
  background: rgba(232, 24, 24, 0.1);
  border-color: var(--border-red-glow);
  color: var(--text-primary);
  transform: translateX(4px);
}

.spotify-hq-obs-link[data-obs-active="true"] {
  background: rgba(232, 24, 24, 0.15);
  border-color: var(--border-red-bright);
  color: var(--engels-red-bright);
  box-shadow: var(--glow-red-sm);
}

.spotify-hq-obs-icon {
  font-size: var(--text-xl);
  flex-shrink: 0;
}

/* ============================================================
   EYEBROW LABELS
   ============================================================ */

.spotify-hq-hero__eyebrow,
.spotify-settings-card__eyebrow {
  display: inline-flex;
  align-items: center;
  width: fit-content;
  min-height: 28px;
  padding: 0 var(--spacing-md);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.08);
  color: rgba(255, 255, 255, 0.74);
  font-size: var(--text-xs);
  font-weight: 900;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

/* ============================================================
   RESPONSIVE DESIGN
   ============================================================ */

@media (max-width: 1200px) {
  .spotify-hq-hero {
    flex-direction: column;
  }

  .spotify-hq-hero__copy {
    max-width: 100%;
  }

  .spotify-hq-hero__actions {
    width: 100%;
  }

  .spotify-hq-hero__actions .spotify-hq-btn {
    flex: 1;
    min-width: 120px;
  }
}

@media (max-width: 768px) {
  .spotify-hq-hero {
    padding: var(--spacing-xl) var(--spacing-lg);
    gap: var(--spacing-lg);
  }

  .spotify-hq-tabs {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    padding-bottom: var(--spacing-md);
    gap: var(--spacing-xs);
  }

  .spotify-hq-tab {
    min-width: fit-content;
    flex-shrink: 0;
  }

  .spotify-hq-obs-menu {
    position: fixed;
    top: auto;
    right: auto;
    bottom: 0;
    left: 0;
    width: 100%;
    border-radius: var(--radius-2xl) var(--radius-2xl) 0 0;
    max-height: 70vh;
    overflow-y: auto;
    animation: slideUp var(--transition);
  }

  @keyframes slideUp {
    from {
      opacity: 0;
      transform: translateY(100%);
    }
    to {
      opacity: 1;
      transform: translateY(0);
    }
  }

  .spotify-hq-hero__copy h1 {
    font-size: var(--text-3xl);
  }

  .spotify-hq-hero__actions {
    flex-direction: column;
    width: 100%;
  }

  .spotify-hq-hero__actions .spotify-hq-btn {
    width: 100%;
  }
}

@media (max-width: 480px) {
  .spotify-hq-hero {
    padding: var(--spacing-lg);
  }

  .spotify-hq-hero__copy h1 {
    font-size: var(--text-2xl);
  }

  .spotify-hq-tabs {
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-lg);
  }

  .spotify-hq-tab {
    font-size: var(--text-xs);
    padding: 0 var(--spacing-md);
  }

  .spotify-hq-obs-toggle {
    font-size: var(--text-xs);
    padding: var(--spacing-sm) var(--spacing-md);
  }
}

/* ============================================================
   ACCESSIBILITY
   ============================================================ */

@media (prefers-reduced-motion: reduce) {
  .spotify-hq-obs-toggle,
  .spotify-hq-tab,
  .spotify-hq-obs-link,
  .spotify-hq-obs-menu {
    transition: none;
    animation: none;
  }
}

/* Keyboard Focus */
.spotify-hq-obs-toggle:focus-visible,
.spotify-hq-tab:focus-visible,
.spotify-hq-obs-link:focus-visible {
  outline: 2px solid var(--engels-red);
  outline-offset: 2px;
}

/* ============================================================
   END: spotify-hq-header.css
   ============================================================ */