/* Sidebar quick navigation — isolated styles (sqn- prefix) */

.sidebar-quick-nav {
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 0 12px;
  margin-bottom: 1cm;
}

.sqn-card {
  position: relative;
  display: block;
  min-height: 80px;
  padding: 14px 16px;
  border-radius: 16px;
  text-decoration: none;
  color: #fff;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.16);
  box-shadow:
    0 10px 28px rgba(0, 0, 0, 0.32),
    inset 0 1px 0 rgba(255, 255, 255, 0.12);
  transition: transform 0.2s ease, box-shadow 0.2s ease, filter 0.2s ease;
}

.sqn-card::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(125deg, rgba(255, 255, 255, 0.14) 0%, transparent 42%);
  pointer-events: none;
  z-index: 2;
}

.sqn-card:hover {
  transform: translateY(-3px) scale(1.01);
  box-shadow:
    0 16px 36px rgba(0, 0, 0, 0.42),
    inset 0 1px 0 rgba(255, 255, 255, 0.18);
  filter: brightness(1.07);
}

.sqn-card:active {
  transform: translateY(-1px) scale(1);
}

.sqn-card__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  color: #fff;
  pointer-events: none;
}

.sqn-art {
  position: absolute;
  top: 50%;
  right: -6%;
  width: 78%;
  height: 130%;
  transform: translateY(-50%);
  display: block;
}

.sqn-art--ads {
  right: -4%;
  width: 92%;
  height: 115%;
}

.sqn-card__shade {
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(
    105deg,
    rgba(0, 0, 0, 0.55) 0%,
    rgba(0, 0, 0, 0.28) 38%,
    rgba(0, 0, 0, 0.06) 68%,
    transparent 100%
  );
  pointer-events: none;
}

.sqn-card__title {
  position: relative;
  z-index: 3;
  display: block;
  font-size: 1rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  line-height: 1.2;
  text-shadow:
    0 2px 8px rgba(0, 0, 0, 0.45),
    0 1px 2px rgba(0, 0, 0, 0.35);
}

.sqn-card--inject {
  background: linear-gradient(135deg, #450a0a 0%, #b91c1c 42%, #ef4444 100%);
}

.sqn-card--bot {
  background: linear-gradient(135deg, #052e16 0%, #15803d 45%, #4ade80 100%);
}

.sqn-card--ads {
  background: linear-gradient(135deg, #172554 0%, #1d4ed8 48%, #38bdf8 100%);
}

@media (max-width: 900px) {
  .sidebar-quick-nav {
    margin-bottom: 0.75cm;
    gap: 10px;
  }

  .sqn-card {
    min-height: 72px;
    padding: 12px 14px;
  }

  .sqn-card__title {
    font-size: 0.92rem;
  }

  .sqn-art {
    width: 72%;
  }
}