/* ---- EXPERIMENT DESIGNER (s8) ---- */

.experiments-container {
  max-width: 960px;
  margin: 0 auto;
  padding: 32px 20px 60px;
}

.experiments-header {
  text-align: center;
  margin-bottom: 32px;
}

.experiments-header h1 {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 28px;
  font-weight: 700;
  margin-bottom: 8px;
}

.experiments-header p {
  font-size: 14px;
  color: var(--muted);
}

/* Experiment list */
.exp-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 24px;
}

.exp-card {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 16px 18px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  cursor: pointer;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.exp-card:hover {
  border-color: var(--green);
  box-shadow: 0 2px 12px rgba(16,185,129,0.08);
}

.exp-card-body {
  flex: 1;
  min-width: 0;
}

.exp-card-title {
  font-weight: 600;
  font-size: 14px;
  margin-bottom: 4px;
}

.exp-card-meta {
  font-size: 11px;
  color: var(--muted);
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.exp-card-actions {
  display: flex;
  gap: 6px;
  align-items: center;
}

/* Experiment editor */
.exp-editor {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 24px;
  margin-bottom: 24px;
}

.exp-editor-title {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.exp-field {
  margin-bottom: 16px;
}

.exp-field label {
  display: block;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--muted);
  margin-bottom: 6px;
}

.exp-field input,
.exp-field textarea,
.exp-field select {
  width: 100%;
  padding: 10px 14px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 10px;
  color: var(--text);
  font-size: 13px;
  font-family: 'Inter', sans-serif;
  box-sizing: border-box;
}

.exp-field input:focus,
.exp-field textarea:focus,
.exp-field select:focus {
  outline: none;
  border-color: var(--green);
}

.exp-field textarea {
  resize: vertical;
  min-height: 60px;
}

/* Scenario builder within experiment */
.exp-scenarios {
  margin-top: 20px;
}

.exp-scenario-item {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 16px;
  margin-bottom: 12px;
}

.exp-scenario-item h4 {
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 10px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.exp-rq-list {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-top: 8px;
}

.exp-rq-item {
  display: flex;
  gap: 8px;
  align-items: center;
}

.exp-rq-item input {
  flex: 1;
  padding: 8px 12px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text);
  font-size: 12px;
  font-family: 'Inter', sans-serif;
}

.exp-rq-item input:focus {
  outline: none;
  border-color: var(--green);
}

.exp-rq-remove {
  background: none;
  border: none;
  color: var(--muted);
  cursor: pointer;
  font-size: 16px;
  padding: 4px;
}

.exp-rq-remove:hover {
  color: var(--red);
}

/* Assignment panel */
.exp-assignment {
  margin-top: 20px;
}

.exp-assigned-list {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 8px;
}

.exp-assigned-tag {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 10px;
  background: rgba(79,142,255,0.1);
  border: 1px solid rgba(79,142,255,0.2);
  border-radius: 20px;
  font-size: 11px;
  color: var(--accent);
}

.exp-assigned-tag .remove {
  cursor: pointer;
  opacity: 0.6;
  font-size: 14px;
  line-height: 1;
}

.exp-assigned-tag .remove:hover {
  opacity: 1;
  color: var(--red);
}

/* Results dashboard */
.exp-results {
  margin-top: 20px;
}

.exp-results-summary {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
  gap: 10px;
  margin-bottom: 16px;
}

.exp-results-stat {
  text-align: center;
  padding: 12px;
  background: var(--bg);
  border-radius: 10px;
}

.exp-results-stat .val {
  font-size: 20px;
  font-weight: 700;
  font-family: 'Space Grotesk', sans-serif;
}

.exp-results-stat .label {
  font-size: 10px;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-top: 2px;
}

.exp-result-row {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 12px;
  border-bottom: 1px solid var(--border);
  font-size: 13px;
}

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

/* Group management */
.exp-groups {
  margin-top: 20px;
}

.exp-group-card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 14px;
  margin-bottom: 8px;
}

.exp-group-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 8px;
}

.exp-group-name {
  font-weight: 600;
  font-size: 13px;
}

.exp-group-count {
  font-size: 11px;
  color: var(--muted);
}

/* Tabs within experiment editor */
.exp-tabs {
  display: flex;
  gap: 4px;
  margin-bottom: 20px;
  border-bottom: 1px solid var(--border);
}

.exp-tab {
  padding: 8px 16px;
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  color: var(--muted);
  font-size: 12px;
  font-family: 'Inter', sans-serif;
  cursor: pointer;
  transition: all 0.2s;
}

.exp-tab:hover {
  color: var(--text);
}

.exp-tab.active {
  color: var(--green);
  border-bottom-color: var(--green);
  font-weight: 600;
}

/* Action buttons row */
.exp-actions {
  display: flex;
  gap: 8px;
  margin-top: 20px;
  flex-wrap: wrap;
}

/* Assigned experiments grid in hub */
.assigned-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 12px;
}

.experiment-card {
  background: var(--card) !important;
}

/* Export button */
.exp-export-btn {
  padding: 6px 12px;
  background: none;
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text);
  font-size: 11px;
  font-family: 'Inter', sans-serif;
  cursor: pointer;
}

.exp-export-btn:hover {
  border-color: var(--green);
  color: var(--green);
}