.btn { display: inline-flex; align-items: center; justify-content: center; border-radius: 12px; padding: 12px 20px; transition: transform 0.25s ease, box-shadow 0.25s ease, background-color 0.25s ease, border-color 0.25s ease; border: 1px solid transparent; font-weight: 600; min-height: 44px; }
.btn-primary { background: var(--brand-primary); color: var(--white); }
.btn-primary:hover { background: var(--brand-primary-dark); box-shadow: 0 10px 22px rgba(14, 165, 233, 0.35); transform: translateY(-1px); }
.btn-accent { background: var(--brand-accent); color: var(--white); box-shadow: 0 8px 20px rgba(14, 165, 233, 0.28); }
.btn-accent:hover { transform: translateY(-1px); box-shadow: 0 12px 26px rgba(14, 165, 233, 0.35); }
.btn-light { background: var(--white); color: var(--brand-primary); }
.btn-light:hover { transform: translateY(-1px); box-shadow: 0 10px 22px rgba(255, 255, 255, 0.3); }
.btn-outline { border-color: var(--brand-primary); color: var(--brand-primary); background: rgba(255, 255, 255, 0.9); }
.btn-outline:hover { border-color: var(--brand-primary-dark); color: var(--brand-primary-dark); }
.btn-outline.light { border-color: var(--brand-primary-dark); color: var(--brand-primary-dark); background: rgba(255, 255, 255, 0.82); }
.card { border: 1px solid var(--neutral-200); border-radius: 14px; padding: 22px; background: var(--white); box-shadow: 0 4px 24px rgba(15, 23, 42, 0.08); transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease; }
.card:hover { transform: translateY(-4px); box-shadow: 0 16px 30px rgba(15, 23, 42, 0.12); border-color: rgba(26, 111, 255, 0.22); }
.badge { font-size: 12px; color: var(--brand-primary-dark); border: 1px solid rgba(14, 165, 233, 0.35); border-radius: 999px; padding: 6px 10px; display: inline-block; margin-bottom: 20px; background: rgba(255, 255, 255, 0.8); }
.tag { display: inline-block; font-size: 12px; border-radius: 999px; padding: 4px 10px; margin-bottom: 10px; }
.tag.blue { background: rgba(26, 111, 255, 0.1); color: var(--brand-primary); }
.tag.purple { background: rgba(125, 211, 252, 0.2); color: #0284c7; }
.tabs, .filters {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 28px;
  padding: 8px;
  border: 1px solid rgba(125, 211, 252, 0.45);
  border-radius: 14px;
  background: linear-gradient(180deg, rgba(240, 249, 255, 0.95), rgba(248, 252, 255, 0.95));
}
.tab-btn, .filter-btn {
  border: 1px solid transparent;
  background: transparent;
  padding: 10px 18px;
  border-radius: 999px;
  cursor: pointer;
  transition: all 0.25s ease;
  color: var(--neutral-700);
  font-weight: 600;
}
.tab-btn:hover, .filter-btn:hover {
  border-color: rgba(56, 189, 248, 0.45);
  background: rgba(56, 189, 248, 0.12);
  color: var(--brand-primary-dark);
}
.tab-btn.active, .filter-btn.active {
  background: var(--white);
  color: var(--brand-primary-dark);
  border-color: rgba(56, 189, 248, 0.5);
  box-shadow: 0 8px 18px rgba(56, 189, 248, 0.2);
}
.tab-btn:focus-visible, .filter-btn:focus-visible {
  outline: 2px solid rgba(56, 189, 248, 0.55);
  outline-offset: 2px;
}
.btn:active { transform: translateY(0); }
.tab-panel { display: none; }
.tab-panel.active { display: block; }
@media (hover: none) and (pointer: coarse) {
  .btn { transition-duration: 0.15s; }
  .btn:active { filter: brightness(0.97); transform: scale(0.99); }
  .tab-btn:active, .filter-btn:active { background: rgba(56, 189, 248, 0.16); border-color: rgba(56, 189, 248, 0.5); }
}
@media (max-width: 640px) {
  .tabs, .filters {
    flex-wrap: nowrap;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    padding: 6px;
    gap: 8px;
  }
  .tabs::-webkit-scrollbar, .filters::-webkit-scrollbar { display: none; }
  .tab-btn, .filter-btn { white-space: nowrap; padding: 9px 14px; font-size: 14px; }
}