/* TechTools — unit-convert styles */
/* ---- Category Tabs with accent ---- */
#categoryTabs {
  margin-bottom: 28px;
}
#categoryTabs .cat-tab {
  gap: 6px;
}
#categoryTabs .cat-tab .tab-icon {
  font-size: 16px;
}
/* Life accent override for active tab */
#categoryTabs .cat-tab.active {
  background: rgba(16,185,129,0.15);
  border-color: rgba(16,185,129,0.45);
  color: var(--cat-life);
  box-shadow: 0 0 20px rgba(16,185,129,0.18), 0 0 36px rgba(16,185,129,0.06);
}
#categoryTabs .cat-tab:hover {
  border-color: rgba(16,185,129,0.35);
}

/* ---- Converter Panel ---- */
.convert-panel {
  display: flex;
  align-items: center;
  gap: 0;
  background: rgba(255,255,255,0.02);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 20px;
  padding: 28px 24px;
  margin-bottom: 16px;
}
.convert-section {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 10px;
  min-width: 0;
}
.convert-label {
  font-size: 13px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
}
.from-section .convert-label { color: var(--cat-life); }
.to-section .convert-label { color: var(--accent-cyan); }

.convert-row {
  display: flex;
  gap: 10px;
  align-items: stretch;
}

.convert-input {
  flex: 1;
  min-width: 0;
  padding: 14px 18px;
  border-radius: 12px;
  background: rgba(0,0,0,0.35);
  border: 1px solid rgba(255,255,255,0.1);
  color: var(--text-primary);
  font-size: 20px;
  font-family: var(--font-hero);
  font-weight: 600;
  outline: none;
  transition: border-color 0.25s ease, box-shadow 0.25s ease;
  /* Hide number spinners */
  -moz-appearance: textfield;
}
.convert-input::-webkit-outer-spin-button,
.convert-input::-webkit-inner-spin-button {
  -webkit-appearance: none;
  margin: 0;
}
.from-section .convert-input:focus {
  border-color: rgba(16,185,129,0.5);
  box-shadow: 0 0 0 3px rgba(16,185,129,0.08);
}
.to-section .convert-input:focus {
  border-color: rgba(46,167,255,0.5);
  box-shadow: 0 0 0 3px rgba(46,167,255,0.08);
}
.convert-input::placeholder {
  color: var(--text-muted);
  font-weight: 400;
}

.convert-select {
  width: 180px;
  padding: 14px 16px;
  border-radius: 12px;
  background: rgba(0,0,0,0.35);
  border: 1px solid rgba(255,255,255,0.1);
  color: var(--text-primary);
  font-size: 15px;
  font-weight: 500;
  outline: none;
  cursor: pointer;
  transition: border-color 0.25s ease;
  appearance: none;
  -webkit-appearance: none;
  background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='rgba(255,255,255,0.5)' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3e%3cpolyline points='6 9 12 15 18 9'%3e%3c/polyline%3e%3c/svg%3e");
  background-repeat: no-repeat;
  background-position: right 10px center;
  background-size: 18px;
  padding-right: 36px;
}
.convert-select:focus {
  border-color: rgba(16,185,129,0.45);
  box-shadow: 0 0 0 3px rgba(16,185,129,0.06);
}
.convert-select option {
  background: #0a0528;
  color: var(--text-primary);
}

/* ---- Swap Divider ---- */
.convert-divider {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 12px;
  flex-shrink: 0;
}
.swap-btn {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  border: 1px solid rgba(16,185,129,0.3);
  background: rgba(16,185,129,0.08);
  color: var(--cat-life);
  font-size: 22px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s ease;
  flex-shrink: 0;
}
.swap-btn:hover {
  background: rgba(16,185,129,0.18);
  border-color: rgba(16,185,129,0.55);
  box-shadow: 0 0 20px rgba(16,185,129,0.25);
  transform: rotate(180deg) scale(1.08);
}
.swap-btn:active {
  transform: rotate(180deg) scale(0.95);
}

/* ---- Actions ---- */
.convert-actions {
  display: flex;
  justify-content: center;
  margin-bottom: 16px;
}
.convert-actions .btn-sm {
  border-color: rgba(16,185,129,0.25);
}
.convert-actions .btn-sm:hover {
  border-color: rgba(16,185,129,0.5);
  box-shadow: 0 0 20px rgba(16,185,129,0.15);
}

/* ---- Responsive ---- */
@media (max-width: 768px) {
  .convert-panel {
    flex-direction: column;
    gap: 16px;
    padding: 20px 16px;
  }
  .convert-divider {
    padding: 4px 0;
  }
  .convert-row {
    flex-direction: column;
  }
  .convert-select {
    width: 100%;
  }
  .convert-input {
    font-size: 18px;
    padding: 12px 16px;
  }
  #categoryTabs {
    gap: 6px;
  }
  #categoryTabs .cat-tab {
    padding: 7px 14px;
    font-size: 13px;
  }
}