.config-panel {
  width: 100%;
  max-width: 1080px;
  margin: 0 auto;
}

.config-panel-title {
  text-align: center;
  margin-bottom: 24px;
  padding-top: 4px;
}

.config-title-eyebrow {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 10px;
  padding: 4px 12px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--surface-raised);
  color: var(--text-muted);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.8px;
  text-transform: uppercase;
}

.config-panel-title h1 {
  font-size: 32px;
  line-height: 1.1;
  font-weight: 800;
  color: var(--accent);
  letter-spacing: 1px;
  margin-bottom: 8px;
}

.config-panel-title p {
  color: var(--text-muted);
  font-size: 14px;
}

.config-layout {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.config-task-section,
.config-card,
.config-advanced-section {
  background: var(--surface-raised);
  border: 1px solid var(--border);
  border-radius: 18px;
  box-shadow: var(--shadow-card);
}

.config-task-section {
  padding: 24px;
}

.config-task-section label {
  display: block;
  font-weight: 700;
  font-size: 13px;
  color: var(--text);
  margin-bottom: 10px;
}

.config-task-textarea,
.config-textarea,
.config-input,
.config-json-editor {
  width: 100%;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  color: var(--text);
  font-family: inherit;
  font-size: 13px;
  outline: none;
  box-shadow: inset 0 1px 2px rgba(15, 23, 42, 0.03);
  transition: border-color 0.15s, box-shadow 0.15s, background 0.15s;
}

.config-task-textarea,
.config-textarea,
.config-json-editor {
  padding: 14px 16px;
  resize: vertical;
  line-height: 1.7;
}

.config-task-textarea {
  min-height: 150px;
}

.config-textarea {
  min-height: 108px;
}

.config-textarea-sm {
  min-height: 78px;
}

.config-input {
  padding: 11px 13px;
}

.config-json-editor {
  min-height: 320px;
  font-family: 'SFMono-Regular', Consolas, monospace;
}

.config-task-textarea:focus,
.config-textarea:focus,
.config-input:focus,
.config-json-editor:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
  background: var(--surface-raised);
}

.config-submit-row {
  display: flex;
  align-items: center;
  gap: 12px;
  justify-content: flex-end;
  margin-top: 18px;
  flex-wrap: wrap;
  padding-top: 4px;
}

.config-mode-switch {
  display: inline-flex;
  background: color-mix(in srgb, var(--surface) 96%, var(--accent) 4%);
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
  padding: 3px;
  flex-shrink: 0;
}

.config-mode-option {
  background: transparent;
  color: var(--text-muted);
  border: none;
  border-radius: 9px;
  padding: 8px 14px;
  font-size: 12px;
  font-weight: 700;
}

.config-mode-option.active {
  background: var(--accent);
  color: var(--button-text);
  box-shadow: 0 8px 18px var(--accent-soft-strong);
}

.config-mode-option:not(.active):hover:not(:disabled) {
  background: var(--surface-hover-strong);
  color: var(--text);
}

.config-run-mode-row {
  display: grid;
  grid-template-columns: auto minmax(260px, 1fr) auto;
  align-items: center;
  gap: 14px;
  margin-top: 16px;
}

.config-run-mode-row .config-field-hint {
  margin-top: 0;
  min-width: 0;
}

.config-mode-hint {
  padding: 8px 12px;
  border-radius: 10px;
  background: var(--surface-hover);
}

.config-scenario-button {
  flex-shrink: 0;
  white-space: nowrap;
}

.config-run-options-row {
  display: grid;
  grid-template-columns: 80px minmax(120px, 1fr) minmax(260px, 1.2fr);
  align-items: center;
  gap: 12px;
  margin-top: 14px;
}

.config-run-options-row label {
  margin-bottom: 0;
  min-width: 0;
  color: var(--text-muted);
}

.config-number-input {
  width: 100%;
  max-width: 96px;
}

.config-run-options-row .config-field-hint {
  margin-top: 0;
  min-width: 0;
  padding-left: 2px;
}

.btn-start {
  background: linear-gradient(135deg, var(--accent), var(--accent-hover));
  color: var(--button-text);
  font-weight: 800;
  font-size: 14px;
  padding: 11px 30px;
  border-radius: 12px;
  letter-spacing: 0.3px;
  box-shadow: 0 12px 26px var(--accent-soft-strong);
}

.btn-start:hover:not(:disabled) {
  opacity: 0.85;
}

.config-card-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.config-card {
  padding: 22px 24px;
}

.config-card-header {
  margin-bottom: 14px;
}

.config-card-header h3 {
  font-size: 18px;
  color: var(--text);
  margin-bottom: 6px;
}

.config-card-header p {
  font-size: 12px;
  color: var(--text-muted);
  line-height: 1.6;
}

.config-field {
  margin-top: 14px;
}

.config-field:first-child {
  margin-top: 0;
}

.config-field label {
  display: block;
  font-size: 11px;
  font-weight: 700;
  color: var(--text-muted);
  margin-bottom: 6px;
  text-transform: uppercase;
  letter-spacing: 0.4px;
}

.config-field-hint {
  margin-top: 6px;
  font-size: 12px;
  color: var(--text-muted);
  line-height: 1.6;
}

.config-task-textarea::placeholder,
.config-textarea::placeholder,
.config-input::placeholder,
.config-json-editor::placeholder {
  color: color-mix(in srgb, var(--text-muted) 72%, transparent);
}

.config-fixed-mode {
  margin-right: auto;
  color: var(--text-muted);
  font-size: 12px;
  line-height: 1.5;
}

.config-agents,
.config-report-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.config-agent-card,
.config-report-card {
  background: var(--surface-hover);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 16px;
}

.config-agents.readonly,
.config-report-grid.readonly {
  margin-top: 10px;
}

.config-report-card p,
.config-agent-card p {
  color: var(--text-muted);
  font-size: 12px;
  line-height: 1.65;
  margin: 0;
}

.config-report-card pre,
.config-readonly-block pre {
  margin: 12px 0 0;
  max-height: 260px;
  overflow: auto;
  white-space: pre-wrap;
  word-break: break-word;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text-muted);
  font-family: 'SFMono-Regular', Consolas, monospace;
  font-size: 11px;
  line-height: 1.55;
  padding: 10px;
}

.config-readonly-block {
  margin-top: 18px;
}

.config-readonly-block:first-child {
  margin-top: 0;
}

.config-readonly-title {
  color: var(--text);
  font-size: 13px;
  font-weight: 700;
  margin-bottom: 10px;
}

.config-readonly-content {
  color: var(--text-muted);
}

.config-readonly-meta {
  margin-top: 8px !important;
  color: var(--accent) !important;
}

.config-empty-detail {
  color: var(--text-muted);
  font-size: 13px;
  padding: 12px 0 0;
}

.config-agent-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 10px;
}

.config-agent-head span {
  font-size: 14px;
  font-weight: 700;
  color: var(--text);
}

.config-agent-head code {
  color: var(--accent);
  background: var(--accent-soft);
  border-radius: 999px;
  padding: 3px 8px;
  font-size: 11px;
}

.config-subgrid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
}

.config-advanced-section {
  overflow: hidden;
}

.config-advanced-toggle {
  width: 100%;
  background: transparent;
  border: none;
  padding: 16px 20px;
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--text);
  font-size: 13px;
  font-weight: 700;
  cursor: pointer;
  text-align: left;
  border-radius: 0;
}

.config-advanced-toggle:hover {
  color: var(--accent);
  background: var(--surface-hover);
}

.config-advanced-chevron {
  margin-left: auto;
  transition: transform 0.2s;
}

.config-advanced-chevron.open {
  transform: rotate(180deg);
}

.config-advanced-body {
  padding: 0 20px 20px;
  border-top: 1px solid var(--border);
}

@media (max-width: 900px) {
  .config-task-section,
  .config-card {
    padding: 18px;
  }

  .config-run-mode-row,
  .config-run-options-row {
    grid-template-columns: 1fr;
    align-items: stretch;
  }

  .config-mode-switch {
    width: 100%;
  }

  .config-mode-option {
    flex: 1;
  }

  .config-scenario-button,
  .config-number-input {
    width: 100%;
    max-width: none;
  }

  .config-card-grid,
  .config-agents,
  .config-report-grid {
    grid-template-columns: 1fr;
  }
}