/* ===== Cookie banner + back-to-top styles ===== */
#cookie-banner {
  position: fixed;
  inset: auto 0 0 0;
  z-index: 1000;
  display: flex;
  justify-content: center;
  padding: var(--space-md);
  pointer-events: none;
}

#cookie-banner .ck-card {
  pointer-events: auto;
  position: relative;
  width: 100%;
  max-width: 680px;
  background: linear-gradient(180deg, rgba(18,18,42,.96), rgba(10,10,26,.96));
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border: 1px solid rgba(255,255,255,.08);
  border-radius: var(--radius-2xl);
  padding: var(--space-xl);
  box-shadow: 0 20px 60px rgba(0,0,0,.5), 0 0 0 1px rgba(124,58,237,.12);
  transform: translateY(30px) scale(.98);
  opacity: 0;
  transition: transform .45s cubic-bezier(.34,1.2,.6,1), opacity .35s ease;
  overflow: hidden;
}

#cookie-banner.ck-show .ck-card { transform: translateY(0) scale(1); opacity: 1; }
#cookie-banner.ck-hide .ck-card { transform: translateY(30px) scale(.98); opacity: 0; }

#cookie-banner .ck-glow {
  position: absolute; top: 0; left: 0; right: 0; height: 3px;
  background: var(--gradient-primary); opacity: .9;
}
#cookie-banner .ck-glow::after {
  content: ''; position: absolute; top: -1px; left: 10%; right: 10%; height: 60px;
  background: radial-gradient(ellipse 60% 100% at 50% 0%, rgba(168,85,247,.35), transparent 70%);
  filter: blur(10px); pointer-events: none;
}

#cookie-banner .ck-header {
  display: flex; align-items: flex-start; gap: var(--space-md);
  margin-bottom: var(--space-lg);
}
#cookie-banner .ck-badge {
  flex-shrink: 0; width: 44px; height: 44px;
  display: flex; align-items: center; justify-content: center;
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, rgba(124,58,237,.25), rgba(6,182,212,.15));
  border: 1px solid rgba(167,139,250,.3);
  color: var(--color-primary-light);
  box-shadow: 0 4px 20px rgba(124,58,237,.2);
}
#cookie-banner .ck-title-wrap h3 {
  font-size: var(--font-size-lg);
  color: var(--color-text-primary);
  margin: 0 0 4px; font-weight: var(--font-weight-bold); letter-spacing: -.01em;
}
#cookie-banner .ck-sub {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  margin: 0; line-height: var(--line-height-relaxed);
}
#cookie-banner .ck-sub a {
  color: var(--color-primary-light); text-decoration: none;
  font-weight: var(--font-weight-medium);
  border-bottom: 1px solid rgba(167,139,250,.35);
  transition: color .2s, border-color .2s;
}
#cookie-banner .ck-sub a:hover { color: var(--color-secondary-light); border-color: var(--color-secondary-light); }

#cookie-banner .ck-details {
  max-height: 0; overflow: hidden; opacity: 0;
  transition: max-height .45s ease, opacity .35s ease, margin .35s ease;
  display: flex; flex-direction: column; gap: var(--space-sm);
  margin-bottom: 0;
}
#cookie-banner .ck-card[data-mode='detail'] .ck-details {
  max-height: 520px; opacity: 1; margin-bottom: var(--space-lg);
}

#cookie-banner .ck-opt {
  display: flex; align-items: center; gap: var(--space-md);
  padding: var(--space-md);
  background: rgba(255,255,255,.03);
  border: 1px solid rgba(255,255,255,.06);
  border-radius: var(--radius-lg);
  transition: border-color .2s, background .2s;
}
#cookie-banner .ck-opt:hover { background: rgba(255,255,255,.05); border-color: rgba(167,139,250,.25); }
#cookie-banner .ck-opt-icon {
  flex-shrink: 0; width: 36px; height: 36px;
  display: flex; align-items: center; justify-content: center;
  border-radius: var(--radius-md);
  background: rgba(124,58,237,.12);
  color: var(--color-primary-light);
}
#cookie-banner .ck-opt-info { flex: 1; min-width: 0; }
#cookie-banner .ck-opt-info strong {
  display: block; font-size: var(--font-size-sm);
  color: var(--color-text-primary);
  font-weight: var(--font-weight-semibold);
  margin-bottom: 2px;
}
#cookie-banner .ck-opt-info span {
  display: block; font-size: var(--font-size-xs);
  color: var(--color-text-muted); line-height: 1.5;
}

#cookie-banner .ck-toggle {
  position: relative; width: 46px; height: 26px;
  flex-shrink: 0; cursor: pointer; display: block;
}
#cookie-banner .ck-toggle input { opacity: 0; width: 0; height: 0; position: absolute; }
#cookie-banner .ck-toggle span {
  position: absolute; inset: 0;
  background: rgba(255,255,255,.1);
  border: 1px solid rgba(255,255,255,.08);
  border-radius: 13px; transition: all .3s;
}
#cookie-banner .ck-toggle span::before {
  content: ''; position: absolute; width: 18px; height: 18px;
  left: 3px; top: 50%; transform: translateY(-50%);
  background: #fff; border-radius: 50%;
  box-shadow: 0 2px 6px rgba(0,0,0,.35);
  transition: left .3s, background .3s;
}
#cookie-banner .ck-toggle input:checked + span {
  background: var(--gradient-btn);
  border-color: transparent;
  box-shadow: 0 0 16px rgba(124,58,237,.4);
}
#cookie-banner .ck-toggle input:checked + span::before { left: 23px; }
#cookie-banner .ck-toggle.ck-on { pointer-events: none; }
#cookie-banner .ck-toggle.ck-on span {
  background: var(--gradient-btn);
  border-color: transparent;
  opacity: .85;
}
#cookie-banner .ck-toggle.ck-on span::before { left: 23px; }

#cookie-banner .ck-buttons {
  display: flex; gap: var(--space-sm);
  justify-content: flex-end; flex-wrap: wrap;
}
#cookie-banner .ck-btn {
  font-family: inherit;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  padding: 10px 18px;
  border-radius: var(--radius-lg);
  border: 1px solid transparent;
  cursor: pointer; transition: all .2s;
  letter-spacing: .01em; line-height: 1;
}
#cookie-banner .ck-btn-ghost { background: transparent; color: var(--color-text-secondary); }
#cookie-banner .ck-btn-ghost:hover { color: var(--color-text-primary); background: rgba(255,255,255,.05); }
#cookie-banner .ck-btn-outline { background: transparent; color: var(--color-text-primary); border-color: rgba(167,139,250,.4); }
#cookie-banner .ck-btn-outline:hover { border-color: var(--color-primary-light); background: rgba(124,58,237,.1); }
#cookie-banner .ck-btn-save { background: rgba(255,255,255,.06); color: var(--color-text-primary); border-color: rgba(255,255,255,.1); }
#cookie-banner .ck-btn-save:hover { background: rgba(255,255,255,.1); border-color: rgba(167,139,250,.4); }
#cookie-banner .ck-btn-primary {
  background: var(--gradient-btn); color: #fff;
  box-shadow: 0 4px 16px rgba(124,58,237,.4);
}
#cookie-banner .ck-btn-primary:hover {
  background: var(--gradient-btn-hover);
  box-shadow: 0 6px 22px rgba(124,58,237,.55);
  transform: translateY(-1px);
}

@media (max-width: 600px) {
  #cookie-banner { padding: var(--space-sm); }
  #cookie-banner .ck-card { padding: var(--space-lg); border-radius: var(--radius-xl); }
  #cookie-banner .ck-header { gap: var(--space-sm); margin-bottom: var(--space-md); }
  #cookie-banner .ck-badge { width: 38px; height: 38px; }
  #cookie-banner .ck-title-wrap h3 { font-size: var(--font-size-base); }
  #cookie-banner .ck-sub { font-size: var(--font-size-xs); }
  #cookie-banner .ck-opt { padding: var(--space-sm) var(--space-md); gap: var(--space-sm); }
  #cookie-banner .ck-opt-icon { width: 32px; height: 32px; }
  #cookie-banner .ck-buttons { flex-direction: column-reverse; }
  #cookie-banner .ck-btn { width: 100%; padding: 12px 16px; }
}

@media (prefers-reduced-motion: reduce) {
  #cookie-banner .ck-card,
  #cookie-banner .ck-details,
  #cookie-banner .ck-btn,
  #cookie-banner .ck-toggle span,
  #cookie-banner .ck-toggle span::before { transition: none !important; }
}