:root {
  --pt-bg: #ffffff;
  --pt-text: #2d3436;
  --pt-border: #f1f3f5;
  --pt-header-bg: #ffffff;
  --pt-header-text: #adb5bd;
  --pt-row-border: #f1f3f5;
  --pt-hover-bg: #f8f9fa;
  --pt-details-bg: #fcfcfd;
  --pt-label-text: #2d3436;
  --pt-value-text: #2d3436;
  --pt-placeholder: #dee2e6;
  --pt-accent: #339af0;
  --pt-shadow: 0 2px 15px rgba(0,0,0,0.03);
}

[data-bs-theme="dark"] {
  --pt-bg: #1a1d20;
  --pt-text: #e9ecef;
  --pt-border: #2d3238;
  --pt-header-bg: #1a1d20;
  --pt-header-text: #6c757d;
  --pt-row-border: #2d3238;
  --pt-hover-bg: #212529;
  --pt-details-bg: #16191c;
  --pt-label-text: #e9ecef;
  --pt-value-text: #e9ecef;
  --pt-placeholder: #343a40;
  --pt-accent: #4dabf7;
  --pt-shadow: 0 4px 20px rgba(0,0,0,0.2);
}

.protocol-table-container {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  color: var(--pt-text);
  margin: 3rem 0;
  border: 1px solid var(--pt-border);
  border-radius: 12px;
  overflow: hidden;
  background: var(--pt-bg);
  box-shadow: var(--pt-shadow);
}

.protocol-table {
  width: 100%;
  border-collapse: collapse;
}

.protocol-table th {
  background-color: var(--pt-header-bg);
  padding: 20px 24px;
  text-align: left;
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  border-bottom: 1px solid var(--pt-border);
  color: var(--pt-text);
}

.protocol-row {
  border-bottom: 1px solid var(--pt-row-border);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.protocol-row:last-child {
  border-bottom: none;
}

.protocol-row:hover {
  background-color: var(--pt-hover-bg);
}

.protocol-cell {
  padding: 18px 24px;
  font-size: 1rem;
  cursor: pointer;
  position: relative;
  transition: color 0.2s ease;
}

.protocol-cell:hover {
  color: var(--pt-accent);
}

.protocol-cell::after {
  content: '';
  width: 6px;
  height: 6px;
  border-right: 1.5px solid currentColor;
  border-bottom: 1.5px solid currentColor;
  transform: rotate(45deg);
  margin-left: 12px;
  opacity: 0.3;
  transition: all 0.3s ease;
  display: inline-block;
  vertical-align: middle;
  margin-top: -3px;
}

.protocol-cell.active::after {
  transform: rotate(-135deg);
  opacity: 1;
}

.details-panel {
  display: none;
}

.details-panel.show {
  display: table-row;
}

.details-content {
  padding: 20px 40px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 20px;
  background-color: var(--pt-details-bg);
}

.detail-item {
  display: flex;
  flex-direction: column;
}

.detail-label {
  font-size: 1.4rem;
  font-weight: 700;
  /*text-transform: uppercase;*/
  letter-spacing: 0.05em;
  color: var(--pt-label-text);
  margin-bottom: 4px;
}

.detail-value {
  font-size: 1.4rem;
  color: var(--pt-value-text);
  line-height: 1.5;
}

.detail-placeholder {
  opacity: 0.5;
  font-style: italic;
}

.protocol-cell.active {
  color: var(--pt-accent);
}

.protocol-cell.active::after {
  transform: rotate(-135deg);
  opacity: 1;
  margin-top: 2px;
}

.details-panel {
  display: none;
  background-color: var(--pt-details-bg);
}

.details-panel.show {
  display: table-row;
}

.details-content {
  padding: 30px 48px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 30px;
  border-bottom: 1px solid var(--pt-border);
  animation: fadeInDetails 0.4s ease-out;
}

@keyframes fadeInDetails {
  from {
    opacity: 0;
    transform: translateY(-10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.detail-item {
  display: flex;
  flex-direction: column;
}

.detail-label {
  font-size: .9rem;
  font-weight: 700;
  color: var(--pt-label-text);
  margin-bottom: 4px;
  /*text-transform: uppercase;*/
}

.detail-value {
  font-size: 0.9rem;
  color: var(--pt-value-text);
  line-height: 1.5;
}

.detail-placeholder {
  color: var(--pt-placeholder);
  font-style: italic;
}