/* ═══════════════════════════════════════════
   UNIT CONVERTER — Glassmorphism
   ═══════════════════════════════════════════ */
.uc-mode-pills {
  display: flex; gap: 0.5rem; margin-bottom: 1.25rem; flex-wrap: wrap;
}
.uc-mode-pill {
  flex: 1; display: inline-flex; align-items: center; justify-content: center;
  gap: 0.45rem; padding: 0.65rem 0.8rem; border: 1.5px solid var(--t-border);
  border-radius: 100px; background: transparent; color: var(--text-secondary);
  font-family: var(--t-font); font-size: 0.78rem; font-weight: 600;
  cursor: pointer; transition: all 0.25s cubic-bezier(0.16,1,0.3,1); white-space: nowrap;
}
.uc-mode-pill:hover {
  border-color: var(--t-accent); color: var(--t-accent);
  background: var(--t-accent-light); box-shadow: var(--shadow-md);
}
.uc-mode-pill.active {
  background: var(--primary);
  color: #fff; border-color: transparent; box-shadow: var(--shadow-md);
}
.uc-layout {
  display: grid; grid-template-columns: 1fr 1fr; gap: 1.25rem;
  margin-bottom: 1rem; align-items: start;
}
.uc-col { display: flex; flex-direction: column; gap: 0.75rem; }
.uc-input-group { display: flex; flex-direction: column; gap: 0.5rem; }
.uc-input-label {
  display: block; font-size: 0.72rem; font-weight: 700;
  text-transform: uppercase; letter-spacing: 0.06em;
  color: var(--text-tertiary); margin-bottom: 0.4rem;
}
.uc-input {
  width: 100%; padding: 0.65rem 0.85rem; border: 1.5px solid var(--t-border);
  border-radius: var(--t-radius-sm); background: var(--bg, #fff);
  color: var(--text); font-family: var(--t-font); font-size: 0.9rem;
  outline: none; transition: all 0.25s; box-sizing: border-box;
}
.uc-input:focus {
  border-color: var(--t-accent);
  box-shadow:  0 0 0 3px var(--primary-soft);
}
.uc-input[readonly] {
  background: var(--bg-card);
  font-family: var(--t-mono); font-weight: 700; color: var(--t-accent);
}
.uc-select {
  width: 100%; padding: 0.65rem 0.85rem; border: 1.5px solid var(--t-border);
  border-radius: var(--t-radius-sm); background: var(--bg, #fff);
  color: var(--text); font-family: var(--t-font); font-size: 0.9rem;
  outline: none; cursor: pointer; appearance: none; transition: all 0.25s;
}
.uc-select:focus {
  border-color: var(--t-accent);
  box-shadow:  0 0 0 3px var(--primary-soft);
}
.uc-actions-row {
  display: flex; gap: 0.5rem; justify-content: center; margin-top: 0.5rem;
}
.uc-action-btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 0.5rem;
  padding: 0.75rem 1.6rem; border: 1.5px solid var(--t-border); border-radius: 100px;
  background: var(--t-bg); color: var(--text-secondary);
  font-family: var(--t-font); font-size: 0.88rem; font-weight: 700;
  cursor: pointer; transition: all 0.25s cubic-bezier(0.16,1,0.3,1);
  white-space: nowrap;
}
.uc-action-btn:hover:not(:disabled) {
  border-color: var(--t-accent); color: var(--t-accent);
  background: var(--t-accent-light); transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}
@media (max-width: 768px) {
  .uc-layout { grid-template-columns: 1fr; gap: 1rem; }
  .uc-mode-pill { font-size: 0.72rem; padding: 0.45rem 0.5rem; }
}
@media (max-width: 480px) {
  .uc-mode-pills { gap: 0.35rem; }
  .uc-mode-pill { font-size: 0.68rem; padding: 0.4rem 0.4rem; gap: 0.2rem; }
  .uc-action-btn { font-size: 0.78rem; padding: 0.65rem 1.2rem; }
}