/* === Experiments & Detail views === */
.experiment-detail {
  display: none;
}

.experiment-detail.active {
  display: block;
}

.detail-header {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 24px;
}

.detail-header .back-btn {
  background: none;
  border: none;
  font-size: 18px;
  cursor: pointer;
  color: var(--text-tertiary);
  padding: 4px;
}

.detail-header .back-btn:hover {
  color: var(--text-primary);
}

.detail-meta {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 20px;
}

.detail-meta .meta-item {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.detail-meta .meta-label {
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-tertiary);
  font-weight: 600;
}

.detail-meta .meta-value {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-primary);
}

/* Process parameter cards */
.param-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 12px;
  margin-bottom: 20px;
}

.param-card {
  background: var(--bg-tertiary);
  border-radius: var(--radius-md);
  padding: 14px 16px;
  text-align: center;
}

.param-card .param-label {
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-tertiary);
  font-weight: 600;
}

.param-card .param-value {
  font-size: 20px;
  font-weight: 700;
  color: var(--text-primary);
  margin-top: 4px;
  font-variant-numeric: tabular-nums;
}

.param-card .param-range {
  font-size: 10.5px;
  color: var(--text-tertiary);
  margin-top: 2px;
}

/* Media component breakdown */
.media-breakdown {
  margin-top: 16px;
}

.media-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 0;
  border-bottom: 1px solid var(--border-light);
  font-size: 12.5px;
}

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

.media-row .media-name {
  font-weight: 500;
  color: var(--text-primary);
  flex: 1;
}

.media-row .media-cat {
  font-size: 11px;
  color: var(--text-tertiary);
  background: var(--bg-tertiary);
  padding: 2px 8px;
  border-radius: 100px;
  margin: 0 12px;
}

.media-row .media-cost {
  font-family: var(--font-mono);
  font-weight: 600;
  color: var(--accent);
  font-size: 12px;
}

/* Cost breakdown donut legend */
.cost-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 12px;
}

.cost-legend-item {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 11.5px;
}

.cost-legend-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}

/* Optimizer section */
.optimizer-controls {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 20px;
}

.optimizer-controls .form-group {
  margin-bottom: 0;
  min-width: 160px;
}

.suggestion-card {
  background: var(--bg-accent);
  border: 1px solid var(--border-accent);
  border-radius: var(--radius-md);
  padding: 16px 20px;
  margin-bottom: 12px;
}

.suggestion-card .suggestion-title {
  font-size: 13px;
  font-weight: 600;
  color: var(--accent-dark);
  margin-bottom: 6px;
}

.suggestion-card .suggestion-body {
  font-size: 12.5px;
  color: var(--text-secondary);
  line-height: 1.5;
}

.suggestion-card .suggestion-impact {
  margin-top: 8px;
  font-size: 11.5px;
  font-weight: 600;
  color: var(--success);
}

/* AI chat panel */
.ai-panel {
  position: fixed;
  right: 0;
  top: 0;
  bottom: 0;
  width: 380px;
  background: var(--bg-secondary);
  border-left: 1px solid var(--border);
  box-shadow: var(--shadow-lg);
  display: flex;
  flex-direction: column;
  z-index: 200;
  transform: translateX(100%);
  transition: transform 0.3s ease;
}

.ai-panel.open {
  transform: translateX(0);
}

.ai-panel-header {
  padding: 14px 18px;
  border-bottom: 1px solid var(--border-light);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.ai-panel-header h3 {
  font-size: 13px;
  font-weight: 600;
}

.ai-messages {
  flex: 1;
  overflow-y: auto;
  padding: 16px;
}

.ai-message {
  margin-bottom: 14px;
}

.ai-message.user {
  text-align: right;
}

.ai-message .msg-bubble {
  display: inline-block;
  max-width: 85%;
  padding: 10px 14px;
  border-radius: var(--radius-md);
  font-size: 12.5px;
  line-height: 1.5;
  text-align: left;
}

.ai-message.user .msg-bubble {
  background: var(--accent);
  color: white;
}

.ai-message.assistant .msg-bubble {
  background: var(--bg-tertiary);
  color: var(--text-primary);
}

.ai-input-area {
  padding: 12px 16px;
  border-top: 1px solid var(--border-light);
  display: flex;
  gap: 8px;
}

.ai-input-area input {
  flex: 1;
  padding: 8px 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 12.5px;
  font-family: inherit;
}

.ai-input-area input:focus {
  outline: none;
  border-color: var(--accent);
}

.ai-toggle-btn {
  position: fixed;
  bottom: 24px;
  right: 24px;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--accent);
  color: white;
  border: none;
  box-shadow: var(--shadow-md);
  cursor: pointer;
  font-size: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 201;
  transition: all var(--transition);
}

.ai-toggle-btn:hover {
  background: var(--accent-dark);
  transform: scale(1.05);
}