:root {
  --bg: #f2f4f7;
  --surface: #ffffff;
  --surface-soft: #f8fafc;
  --surface-strong: #eef4ff;
  --text: #1f2937;
  --muted: #667085;
  --border: #d0d5dd;
  --accent: #2563eb;
  --accent-strong: #1d4ed8;
  --success: #027a48;
  --success-soft: #ecfdf3;
  --danger: #b42318;
  --danger-soft: #fef3f2;
  --info: #175cd3;
  --info-soft: #eff8ff;
  --shadow: 0 1px 2px rgba(16, 24, 40, 0.06), 0 10px 20px rgba(16, 24, 40, 0.06);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background: var(--bg);
  color: var(--text);
  font-family: "Segoe UI", Tahoma, Arial, sans-serif;
}

.page-shell {
  width: min(1180px, calc(100% - 28px));
  margin: 0 auto;
  padding: 24px 0 40px;
}

.hero,
.panel {
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--surface);
  box-shadow: var(--shadow);
}

.hero {
  margin-bottom: 18px;
  padding: 20px 22px;
  background: var(--surface);
}

.eyebrow,
.section-label {
  margin: 0 0 8px;
  color: var(--accent);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.hero h1 {
  margin: 0;
  font-size: 1.9rem;
  font-weight: 700;
}

.hero-copy {
  margin: 10px 0 0;
  color: var(--muted);
  line-height: 1.6;
  max-width: 780px;
}

.panel {
  margin-top: 18px;
  padding: 20px;
}

.section-heading {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 16px;
  margin-bottom: 16px;
}

.section-heading h2,
.download-panel h2 {
  margin: 0;
  font-size: 1.35rem;
  font-weight: 600;
}

.section-note {
  margin: 0;
  color: var(--muted);
  font-size: 0.92rem;
  line-height: 1.5;
}

.field-label {
  display: block;
  margin-bottom: 8px;
  font-size: 0.95rem;
  font-weight: 600;
}

textarea,
select,
.question-input {
  width: 100%;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: #fff;
  color: var(--text);
  font: 0.96rem/1.5 "Segoe UI", Tahoma, Arial, sans-serif;
}

textarea {
  min-height: 190px;
  resize: vertical;
  padding: 14px 16px;
}

select,
.question-input {
  padding: 11px 12px;
}

textarea:focus,
select:focus,
.question-input:focus,
details summary:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.12);
}

.compose-grid,
.stack-grid,
.preview-grid,
.agent-grid {
  display: grid;
  gap: 14px;
}

.compose-grid {
  grid-template-columns: minmax(0, 280px);
}

.stack-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.preview-grid,
.agent-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.select-field {
  display: grid;
  gap: 6px;
}

.select-field span {
  font-size: 0.9rem;
  font-weight: 600;
}

.action-row,
.question-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.action-row {
  margin-top: 16px;
}

button {
  border: 1px solid transparent;
  border-radius: 10px;
  padding: 10px 16px;
  font: 600 0.94rem/1 "Segoe UI", Tahoma, Arial, sans-serif;
  cursor: pointer;
}

button:disabled {
  cursor: not-allowed;
  opacity: 0.6;
}

.primary-button {
  background: var(--accent);
  color: #fff;
}

.primary-button:hover:not(:disabled) {
  background: var(--accent-strong);
}

.secondary-button {
  background: #344054;
  color: #fff;
}

.success-button {
  background: #039855;
  color: #fff;
}

.ghost-button {
  background: #fff;
  color: var(--text);
  border-color: var(--border);
}

.status-message {
  margin-top: 14px;
  padding: 12px 14px;
  border: 1px solid transparent;
  border-radius: 10px;
  font-size: 0.93rem;
  line-height: 1.5;
}

.status-message.loading,
.status-message.info {
  background: var(--info-soft);
  border-color: #b2ddff;
  color: var(--info);
}

.status-message.success {
  background: var(--success-soft);
  border-color: #abefc6;
  color: var(--success);
}

.status-message.error {
  background: var(--danger-soft);
  border-color: #fecdca;
  color: var(--danger);
}

.agent-panel {
  background: var(--surface);
}

.agent-bubble {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  padding: 16px;
  border: 1px solid #dbe7ff;
  border-radius: 14px;
  background: #f8fbff;
  margin-bottom: 16px;
}

.agent-avatar {
  width: 42px;
  height: 42px;
  border-radius: 999px;
  background: var(--accent);
  color: #fff;
  display: grid;
  place-items: center;
  font-weight: 700;
  flex: 0 0 auto;
}

.agent-copy {
  min-width: 0;
}

.agent-name {
  margin: 0 0 6px;
  font-weight: 700;
}

.agent-inline-heading {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 16px;
  margin-bottom: 14px;
}

.question-cards {
  display: grid;
  gap: 12px;
}

.question-card {
  padding: 14px 16px;
  border: 1px solid #dbe7ff;
  border-radius: 12px;
  background: #fff;
}

.question-card h4 {
  margin: 0 0 8px;
  font-size: 1rem;
}

.question-position {
  margin: 0 0 10px;
  color: var(--accent);
  font-size: 0.84rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.question-reason {
  margin: 0 0 12px;
  color: var(--muted);
  line-height: 1.55;
}

.question-hint {
  margin: 10px 0 0;
  color: var(--muted);
  font-size: 0.88rem;
  line-height: 1.5;
}

.question-control {
  display: grid;
  gap: 8px;
}

.suggestion-block {
  margin-top: 14px;
  padding: 14px;
  border: 1px solid #bfd4fe;
  border-radius: 12px;
  background: #eff8ff;
}

.suggestion-title {
  margin: 0 0 8px;
  color: var(--accent);
  font-weight: 700;
}

.suggestion-reason {
  margin: 0 0 12px;
  color: var(--text);
  line-height: 1.55;
}

.final-requirements-block {
  margin: 0 0 14px;
  white-space: pre-wrap;
  padding: 14px;
  border: 1px solid #d0d5dd;
  border-radius: 10px;
  background: #101828;
  color: #f8fafc;
  font: 0.92rem/1.6 Consolas, "Courier New", monospace;
}

.advanced-stack {
  margin-top: 18px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: #fff;
}

.advanced-stack summary {
  padding: 14px 16px;
  cursor: pointer;
  font-weight: 600;
}

.advanced-stack .section-note,
.advanced-stack .stack-grid {
  margin: 0 16px 16px;
}

.stack-chip-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 16px;
}

.stack-chip {
  display: inline-flex;
  gap: 6px;
  align-items: center;
  padding: 6px 10px;
  border: 1px solid #bfd4fe;
  border-radius: 999px;
  background: #eff8ff;
  color: var(--info);
  font-size: 0.85rem;
}

.card {
  padding: 16px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--surface-soft);
}

.card.wide {
  grid-column: 1 / -1;
}

.card h3 {
  margin: 0 0 10px;
  font-size: 1rem;
  font-weight: 600;
}

.list-block,
.modules-list,
.files-list {
  margin: 0;
  padding: 0;
}

.list-block {
  list-style: none;
  display: grid;
  gap: 8px;
}

.list-block li {
  padding: 10px 12px;
  border: 1px solid #eaecf0;
  border-radius: 8px;
  background: #fff;
  line-height: 1.5;
}

.command-list li {
  font-family: Consolas, "Courier New", monospace;
}

.text-block {
  margin: 0;
  line-height: 1.65;
}

.required-inputs-copy {
  margin: 0 0 12px;
  color: var(--muted);
  line-height: 1.6;
}

.required-inputs-table-wrap {
  overflow-x: auto;
  border: 1px solid #eaecf0;
  border-radius: 10px;
  background: #fff;
}

.required-inputs-table {
  width: 100%;
  border-collapse: collapse;
  min-width: 720px;
}

.required-inputs-table th,
.required-inputs-table td {
  padding: 10px 12px;
  border-bottom: 1px solid #eaecf0;
  text-align: left;
  vertical-align: top;
  line-height: 1.5;
}

.required-inputs-table th {
  background: #f9fafb;
  font-size: 0.84rem;
  font-weight: 700;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.required-inputs-table tr:last-child td {
  border-bottom: 0;
}

.required-inputs-table code {
  font-family: Consolas, "Courier New", monospace;
}

.module-card {
  padding: 12px 14px;
  border: 1px solid #eaecf0;
  border-radius: 10px;
  background: #fff;
}

.module-card + .module-card,
.file-entry + .file-entry {
  margin-top: 10px;
}

.module-card h4 {
  margin: 0;
  font-size: 0.98rem;
}

.module-card p {
  margin: 8px 0 10px;
  color: var(--muted);
  line-height: 1.6;
}

.key-files {
  margin: 0;
  color: var(--muted);
  font-size: 0.88rem;
}

.code-block {
  margin: 0;
  overflow-x: auto;
  padding: 14px;
  border: 1px solid #d0d5dd;
  border-radius: 10px;
  background: #101828;
  color: #f8fafc;
  font: 0.92rem/1.6 Consolas, "Courier New", monospace;
}

.file-entry {
  border: 1px solid #d0d5dd;
  border-radius: 10px;
  overflow: hidden;
  background: #fff;
}

.file-entry summary {
  padding: 12px 14px;
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
  background: #f9fafb;
}

.file-entry summary::-webkit-details-marker {
  display: none;
}

.file-entry-header {
  display: flex;
  align-items: center;
  gap: 8px;
  min-width: 0;
}

.file-entry-dots {
  display: inline-flex;
  gap: 4px;
}

.file-entry-dots span {
  width: 7px;
  height: 7px;
  border-radius: 999px;
  background: #98a2b3;
}

.file-entry-path {
  font: 0.9rem/1.4 Consolas, "Courier New", monospace;
  word-break: break-all;
}

.file-entry-tag {
  color: var(--muted);
  font-size: 0.76rem;
  font-weight: 700;
  text-transform: uppercase;
}

.download-copy {
  margin: 0;
  line-height: 1.6;
}

.download-link {
  display: inline-block;
  margin-top: 12px;
  padding: 10px 16px;
  border-radius: 10px;
  background: var(--accent);
  color: #fff;
  text-decoration: none;
  font-weight: 600;
}

@media (max-width: 960px) {
  .section-heading,
  .agent-inline-heading {
    flex-direction: column;
  }

  .stack-grid,
  .preview-grid,
  .agent-grid {
    grid-template-columns: 1fr;
  }

  .card,
  .card.wide {
    grid-column: 1 / -1;
  }
}

@media (max-width: 640px) {
  .page-shell {
    width: min(100% - 16px, 1180px);
    padding: 16px 0 28px;
  }

  .panel,
  .hero {
    padding: 16px;
  }

  .action-row,
  .question-actions {
    flex-direction: column;
  }

  button,
  .download-link {
    width: 100%;
  }

  .compose-grid {
    grid-template-columns: 1fr;
  }
}