.drug-demo {
  padding: 100px 0;
  background: #f8f8f6;
  position: relative;
}

.drug-demo-header {
  margin-bottom: 48px;
}

.drug-demo-header h2 {
  font-size: clamp(1.75rem, 3.5vw, 2.5rem);
  font-weight: 800;
  color: var(--zd-text-dark, #11110d);
  margin-bottom: 12px;
  letter-spacing: -0.02em;
}

.drug-demo-header p {
  font-size: 1.0625rem;
  color: var(--zd-text-body, #4a4a45);
  line-height: 1.6;
}

.drug-demo-workspace {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  min-height: 480px;
}

.drug-demo-search-col {
  display: flex;
  flex-direction: column;
}

.drug-search-box {
  display: flex;
  align-items: center;
  gap: 12px;
  background: #fff;
  border: 1px solid rgba(0,0,0,0.1);
  border-radius: 14px;
  padding: 16px 20px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.04);
  transition: border-color 0.2s, box-shadow 0.2s;
}

.drug-search-box:focus-within {
  border-color: #0d9488;
  box-shadow: 0 0 0 3px rgba(13,148,136,0.1);
}

.drug-search-box svg {
  color: var(--zd-text-muted, #6b6b66);
  flex-shrink: 0;
}

.drug-search-box input {
  flex: 1;
  background: none;
  border: none;
  outline: none;
  font-size: 1.0625rem;
  color: var(--zd-text-dark, #11110d);
  font-family: inherit;
}

.drug-search-box input::placeholder {
  color: var(--zd-text-muted, #6b6b66);
}

.drug-results-hint {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  margin-top: 14px;
  padding: 0 4px;
}

.drug-results-hint span {
  font-size: 0.8rem;
  color: var(--zd-text-muted, #6b6b66);
  font-weight: 500;
}

.drug-hint-tag {
  background: #fff;
  border: 1px solid rgba(0,0,0,0.1);
  border-radius: 8px;
  padding: 5px 12px;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--zd-text-body, #4a4a45);
  cursor: pointer;
  font-family: inherit;
  transition: all 0.15s;
}

.drug-hint-tag:hover {
  background: #f0f0ee;
  color: var(--zd-text-dark, #11110d);
  border-color: rgba(0,0,0,0.15);
}

.drug-results {
  margin-top: 16px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  overflow-y: auto;
  max-height: 380px;
  scrollbar-width: thin;
  scrollbar-color: rgba(0,0,0,0.1) transparent;
}

.drug-result-item {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px 16px;
  background: #fff;
  border: 1px solid rgba(0,0,0,0.06);
  border-radius: 12px;
  cursor: pointer;
  transition: all 0.15s;
}

.drug-result-item:hover,
.drug-result-item.active {
  background: rgba(13,148,136,0.04);
  border-color: rgba(13,148,136,0.3);
}

.drug-result-schedule {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.65rem;
  font-weight: 800;
  flex-shrink: 0;
}

.drug-result-schedule.otc {
  background: rgba(16,185,129,0.1);
  color: #059669;
}

.drug-result-schedule.h {
  background: rgba(245,158,11,0.1);
  color: #d97706;
}

.drug-result-schedule.h1 {
  background: rgba(239,68,68,0.1);
  color: #dc2626;
}

.drug-result-info {
  flex: 1;
  min-width: 0;
}

.drug-result-name {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--zd-text-dark, #11110d);
  margin-bottom: 2px;
}

.drug-result-generic {
  font-size: 0.8rem;
  color: var(--zd-text-muted, #6b6b66);
}

.drug-result-price {
  font-size: 0.9375rem;
  font-weight: 700;
  color: #0d9488;
  white-space: nowrap;
}

.drug-result-empty {
  text-align: center;
  padding: 48px 20px;
  color: var(--zd-text-muted, #6b6b66);
  font-size: 0.9375rem;
}

/* Detail Panel */
.drug-detail-col {
  background: #fff;
  border: 1px solid rgba(0,0,0,0.08);
  border-radius: 16px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  box-shadow: 0 2px 8px rgba(0,0,0,0.04);
}

.drug-detail-empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100%;
  padding: 48px;
  text-align: center;
  gap: 16px;
  color: rgba(0,0,0,0.2);
}

.drug-detail-empty p {
  font-size: 0.9375rem;
  max-width: 260px;
  line-height: 1.6;
}

.drug-detail-head {
  padding: 28px 28px 20px;
  border-bottom: 1px solid rgba(0,0,0,0.06);
}

.drug-detail-brand {
  font-size: 1.375rem;
  font-weight: 800;
  color: var(--zd-text-dark, #11110d);
  margin-bottom: 4px;
}

.drug-detail-generic-name {
  font-size: 0.9rem;
  color: var(--zd-text-muted, #6b6b66);
  margin-bottom: 14px;
}

.drug-detail-meta {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.drug-detail-meta-item {
  font-size: 0.8rem;
  color: var(--zd-text-muted, #6b6b66);
}

.drug-detail-meta-item strong {
  color: var(--zd-text-dark, #11110d);
  font-weight: 600;
}

.drug-detail-body {
  padding: 24px 28px;
  display: flex;
  flex-direction: column;
  gap: 24px;
  overflow-y: auto;
  flex: 1;
}

.drug-detail-section-title {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--zd-text-muted, #6b6b66);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 10px;
}

/* Stock Info */
.drug-stock-row {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 10px;
}

.drug-stock-item {
  background: #f8f8f6;
  border-radius: 10px;
  padding: 12px 14px;
}

.drug-stock-item .label {
  font-size: 0.7rem;
  color: var(--zd-text-muted, #6b6b66);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: 4px;
}

.drug-stock-item .value {
  font-size: 0.9375rem;
  font-weight: 700;
  color: var(--zd-text-dark, #11110d);
}

.drug-stock-item .value.in-stock {
  color: #059669;
}

.drug-stock-item .value.low-stock {
  color: #d97706;
}

.drug-stock-item .value.expiry {
  color: var(--zd-text-body, #4a4a45);
}

/* Interactions */
.drug-interaction-card {
  display: flex;
  gap: 12px;
  padding: 14px;
  border-radius: 10px;
  align-items: start;
}

.drug-interaction-card.warning {
  background: rgba(239,68,68,0.06);
  border: 1px solid rgba(239,68,68,0.15);
}

.drug-interaction-card.caution {
  background: rgba(245,158,11,0.06);
  border: 1px solid rgba(245,158,11,0.15);
}

.drug-interaction-card.safe {
  background: rgba(16,185,129,0.06);
  border: 1px solid rgba(16,185,129,0.15);
}

.drug-interaction-card svg {
  flex-shrink: 0;
  margin-top: 1px;
}

.drug-interaction-text {
  font-size: 0.875rem;
  line-height: 1.5;
  color: var(--zd-text-body, #4a4a45);
}

.drug-interaction-text strong {
  color: var(--zd-text-dark, #11110d);
}

/* Alternatives */
.drug-alt-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.drug-alt-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 14px;
  background: #f8f8f6;
  border: 1px solid rgba(0,0,0,0.05);
  border-radius: 10px;
}

.drug-alt-info {
  display: flex;
  flex-direction: column;
}

.drug-alt-name {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--zd-text-dark, #11110d);
}

.drug-alt-mfg {
  font-size: 0.75rem;
  color: var(--zd-text-muted, #6b6b66);
}

.drug-alt-price {
  font-size: 0.875rem;
  font-weight: 700;
  color: #059669;
}

.drug-alt-savings {
  font-size: 0.7rem;
  color: #059669;
  text-align: right;
}

/* Responsive */
@media (max-width: 768px) {
  .drug-demo-workspace {
    grid-template-columns: 1fr;
    min-height: auto;
  }

  .drug-detail-col {
    min-height: 400px;
  }

  .drug-stock-row {
    grid-template-columns: 1fr;
  }

  .drug-demo {
    padding: 72px 0;
  }
}