:root {
  --bg: #ffffff;
  --surface: #ffffff;
  --surface-soft: #f8fafc;
  --text: #172033;
  --muted: #64748b;
  --line: #dbe3ef;
  --accent: #1665d8;
  --accent-soft: #e8f1ff;
  --success: #1f8a5b;
  --warning: #b7791f;
  --danger: #b42318;
  --shadow: 0 18px 45px rgba(21, 34, 55, 0.08);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family:
    "Pretendard", "Apple SD Gothic Neo", "Malgun Gothic", "Segoe UI",
    sans-serif;
  line-height: 1.55;
}

/* 운영자 전용 영역은 operator-tools-open 상태가 아니면 어떤 규칙보다 우선해 숨긴다.
   (.app-shell display:grid 등 뒤에 오는 규칙이 덮어쓰는 문제 방지) */
body:not(.operator-tools-open) .operator-only {
  display: none !important;
}

.operator-tools-open .operator-only {
  display: grid;
}

.operator-tools-open .app-header.operator-only {
  display: flex;
}

.operator-tools-open .lead-landing {
  display: none;
}

.lead-landing {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 28px 80px;
  background: #ffffff;
}

.lead-hero {
  display: grid;
  grid-template-columns: minmax(0, 1.3fr) minmax(300px, 0.7fr);
  gap: 36px;
  align-items: stretch;
  min-height: 520px;
  padding: 60px 52px;
  border: 1px solid rgba(219, 227, 239, 0.6);
  border-radius: 24px;
  background:
    linear-gradient(135deg, rgba(22, 101, 216, 0.06), rgba(31, 138, 91, 0.04)),
    #ffffff;
  box-shadow: 0 2px 40px rgba(21, 34, 55, 0.07);
  margin-top: 40px;
}

.lead-copy {
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.lead-label {
  margin: 0 0 12px;
  color: var(--accent);
  font-size: 14px;
  font-weight: 800;
}

.lead-copy h1 {
  max-width: 760px;
  margin: 0;
  font-size: 54px;
  line-height: 1.07;
  letter-spacing: -0.02em;
}

.lead-description {
  max-width: 680px;
  margin: 20px 0 0;
  color: #475569;
  font-size: 20px;
  line-height: 1.7;
}

.lead-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 26px;
}

.lead-actions a {
  text-decoration: none;
}

.lead-safe-copy {
  max-width: 760px;
  margin: 20px 0 0;
  color: var(--muted);
  font-size: 13px;
}

.lead-panel {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 22px;
  padding: 36px 32px;
  border-radius: 18px;
  background: linear-gradient(145deg, #1a56db 0%, #1e3a8a 100%);
  box-shadow: 0 16px 48px rgba(22, 101, 216, 0.3);
}

.lead-panel strong {
  display: block;
  margin-bottom: 12px;
  font-size: 18px;
}

.lead-panel ul {
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.lead-panel li {
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface-soft);
  font-weight: 700;
}

.landing-sections {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: 28px;
  margin-top: 48px;
}

.landing-sections section,
.lead-form-section {
  padding: 40px 36px;
  border: 1px solid rgba(219, 227, 239, 0.7);
  border-radius: 18px;
  background: var(--surface);
  box-shadow: 0 2px 24px rgba(21, 34, 55, 0.055);
}

.landing-sections h2,
.lead-form-section h2 {
  margin: 0;
  font-size: 28px;
  line-height: 1.2;
  letter-spacing: -0.01em;
}

.landing-sections p {
  margin: 12px 0 0;
  color: var(--muted);
}

.landing-sections h3 {
  margin: 8px 0 0;
  color: #334155;
  font-size: 17px;
  line-height: 1.45;
}

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

.landing-card-grid {
  display: grid;
  gap: 10px;
  margin-top: 14px;
}

.landing-card-grid.four,
.signal-grid,
.product-flow-grid,
.insight-card-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
  margin-top: 18px;
}

.landing-card-grid article {
  display: grid;
  gap: 4px;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface-soft);
}

.landing-card-grid span {
  color: var(--muted);
  font-size: 13px;
}

.signal-grid article,
.product-flow-grid article,
.insight-card-grid details,
.faq-grid details {
  display: grid;
  gap: 8px;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface-soft);
}

.signal-grid article span,
.product-flow-grid article span {
  color: var(--accent);
  font-size: 12px;
  font-weight: 900;
}

.signal-grid article strong,
.product-flow-grid article strong,
.insight-card-grid summary,
.faq-grid summary {
  color: var(--text);
  font-size: 15px;
  font-weight: 900;
}

.signal-grid article p,
.product-flow-grid article p,
.insight-card-grid p,
.faq-grid p {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
}

.question-section,
.score-section {
  align-self: stretch;
}

.question-chip-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 16px;
}

.question-chip-grid span {
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  padding: 8px 11px;
  border: 1px solid #bfdbfe;
  border-radius: 999px;
  background: #eff6ff;
  color: #1d4ed8;
  font-size: 13px;
  font-weight: 800;
}

.score-list {
  display: grid;
  gap: 8px;
  margin-top: 16px;
}

.score-list span {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 11px 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface-soft);
  color: #334155;
  font-weight: 800;
}

.score-list strong {
  color: var(--accent);
  font-size: 18px;
}

.product-flow-grid {
  grid-template-columns: repeat(5, minmax(0, 1fr));
}

.operation-difference {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin-top: 16px;
}

.operation-difference p {
  margin: 0;
  padding: 14px;
  border: 1px solid #bbf7d0;
  border-radius: 8px;
  background: #f0fdf4;
  color: #166534;
}

.comparison-list {
  display: grid;
  gap: 8px;
  margin: 16px 0 0;
  padding: 0;
  list-style: none;
}

.comparison-list li {
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface-soft);
  color: #334155;
  font-weight: 700;
}

.comparison-list.strong li {
  border-color: #bfdbfe;
  background: #eff6ff;
  color: #1d4ed8;
}

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

.insight-card-grid details,
.faq-grid details {
  align-content: start;
}

.insight-card-grid summary,
.faq-grid summary {
  cursor: pointer;
}

.faq-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin-top: 16px;
}

.final-cta-section {
  display: grid;
  justify-items: start;
  min-height: 220px;
  align-content: center;
  background:
    linear-gradient(135deg, rgba(15, 23, 42, 0.94), rgba(22, 101, 216, 0.88)),
    #0f172a !important;
}

.final-cta-section h2 {
  color: #ffffff;
  font-size: 34px;
}

.final-cta-section .secondary-button {
  border-color: rgba(255, 255, 255, 0.46);
  color: #ffffff;
}

.lead-form-section {
  margin-top: 22px;
}

.lead-form {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin-top: 18px;
}

.lead-form label {
  display: grid;
  gap: 7px;
  color: var(--text);
  font-size: 13px;
  font-weight: 800;
}

.lead-form .wide,
.privacy-copy,
.lead-form-actions {
  grid-column: 1 / -1;
}

.lead-form input,
.lead-form textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 11px 12px;
  color: var(--text);
  font: inherit;
  font-weight: 500;
}

.lead-form input:focus,
.lead-form textarea:focus {
  border-color: var(--accent);
  outline: none;
  box-shadow: 0 0 0 3px var(--accent-soft);
}

.privacy-copy {
  margin: 2px 0 0;
  color: var(--muted);
  font-size: 12px;
}

.lead-form-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
}

.developer-tools {
  border-top: 1px solid var(--line);
  padding-top: 8px;
}

.developer-tools summary {
  min-height: 38px;
  padding: 9px 12px;
  border-radius: 6px;
  color: var(--muted);
  cursor: pointer;
  font-size: 13px;
  font-weight: 800;
}

.developer-tools summary:hover,
.developer-tools summary:focus-visible {
  background: var(--surface-soft);
  outline: none;
}

.developer-tools .tab-button {
  margin-top: 8px;
}

.operator-lead-notice {
  display: grid;
  gap: 4px;
  margin-bottom: 16px;
  padding: 14px 16px;
  border: 1px solid #bfdbfe;
  border-left: 5px solid var(--accent);
  border-radius: 8px;
  background: #eff6ff;
}

.operator-lead-notice strong {
  color: #1e3a8a;
}

.operator-lead-notice span {
  color: #334155;
}

.operator-workflow-hero {
  display: grid;
  grid-template-columns: minmax(0, 1.3fr) minmax(260px, 0.7fr);
  gap: 14px;
  margin-bottom: 18px;
}

.operator-workflow-hero > div,
.operator-step-section,
.operator-cta-section,
.operator-shortcuts,
.operator-progress-status,
.operator-brief-panel,
.second-product-section {
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface-soft);
}

.operator-workflow-hero span,
.operator-status-card span {
  display: block;
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
}

.operator-workflow-hero strong {
  display: block;
  margin-top: 4px;
  font-size: 22px;
  line-height: 1.25;
}

.operator-workflow-hero p {
  margin: 8px 0 0;
  color: var(--muted);
}

.operator-status-card {
  background: #0f172a !important;
  color: #ffffff;
}

.operator-status-card span {
  color: #bfdbfe;
}

.operator-status-card strong {
  color: #ffffff;
}

.operator-step-section,
.operator-cta-section,
.operator-shortcuts,
.operator-progress-status,
.operator-brief-panel,
.second-product-section {
  margin-top: 14px;
}

.operator-step-section h3,
.operator-cta-section h3,
.operator-progress-status h3,
.operator-brief-panel h3,
.operator-shortcuts h3 {
  margin: 0 0 12px;
  font-size: 17px;
}

.operator-status-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.operator-status-chip {
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  padding: 7px 10px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: #ffffff;
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
}

.operator-status-chip.done {
  border-color: #bbf7d0;
  background: #f0fdf4;
  color: #166534;
}

.operator-status-chip.active {
  border-color: #bfdbfe;
  background: #eff6ff;
  color: #1d4ed8;
}

.operator-followup-alert {
  margin-top: 12px;
  padding: 12px 14px;
  border: 1px solid #bbf7d0;
  border-radius: 8px;
  background: #f0fdf4;
  color: #166534;
  font-weight: 800;
}

.operator-cta-section.report-ready {
  border-color: #93c5fd;
  background: #eff6ff;
}

.operator-step-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
}

.operator-step-grid article {
  display: grid;
  gap: 5px;
  min-height: 112px;
  padding: 13px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #ffffff;
}

.operator-step-grid span {
  color: var(--accent);
  font-size: 12px;
  font-weight: 800;
}

.operator-step-grid strong {
  font-size: 15px;
}

.operator-step-grid em {
  align-self: end;
  color: var(--muted);
  font-style: normal;
  font-size: 12px;
  font-weight: 800;
}

.operator-cta-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 10px;
  margin-bottom: 12px;
}

.operator-brief-panel textarea {
  width: 100%;
  min-height: 260px;
  margin: 8px 0 12px;
  resize: vertical;
  font: 13px/1.65 "Pretendard", "Apple SD Gothic Neo", "Malgun Gothic", sans-serif;
  color: var(--text);
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #ffffff;
}

.second-product-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin-top: 14px;
}

.second-product-grid article {
  display: grid;
  gap: 5px;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #ffffff;
}

.second-product-grid span {
  color: var(--muted);
  font-size: 13px;
}

.app-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 32px;
  max-width: 1180px;
  margin: 0 auto;
  padding: 42px 28px 26px;
}

.header-label {
  margin: 0 0 8px;
  color: var(--accent);
  font-size: 14px;
  font-weight: 700;
}

h1 {
  margin: 0;
  font-size: 34px;
  line-height: 1.2;
  letter-spacing: 0;
}

.header-description {
  margin: 12px 0 0;
  color: var(--muted);
  font-size: 16px;
}

.header-note {
  width: 280px;
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  color: var(--muted);
  font-size: 13px;
}

.header-note strong {
  display: block;
  margin-bottom: 4px;
  color: var(--text);
  font-size: 12px;
}

.header-note span {
  display: block;
  margin-bottom: 10px;
}

.header-note span:last-child {
  margin-bottom: 0;
}

.app-shell {
  display: grid;
  grid-template-columns: 220px minmax(0, 1fr);
  gap: 22px;
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 28px 48px;
}

.side-panel {
  position: sticky;
  top: 18px;
  display: grid;
  gap: 14px;
  align-self: start;
}

.tab-nav {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  box-shadow: var(--shadow);
}

.workflow-panel {
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  box-shadow: var(--shadow);
}

.workflow-panel h2 {
  margin: 0 0 10px;
  font-size: 15px;
}

.workflow-panel ol {
  display: grid;
  gap: 10px;
  margin: 0;
  padding-left: 20px;
}

.workflow-panel li {
  color: var(--muted);
  font-size: 12px;
}

.workflow-panel strong,
.workflow-panel span {
  display: block;
}

.workflow-panel strong {
  color: var(--text);
  font-size: 13px;
}

.tab-button {
  width: 100%;
  min-height: 42px;
  padding: 10px 12px;
  border: 1px solid transparent;
  border-radius: 6px;
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  font: inherit;
  font-size: 14px;
  font-weight: 700;
  text-align: left;
}

.tab-button:hover,
.tab-button:focus-visible {
  border-color: var(--line);
  background: var(--surface-soft);
  outline: none;
}

.tab-button.is-active {
  background: var(--accent);
  color: #ffffff;
}

.content-panel {
  min-height: 660px;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  box-shadow: var(--shadow);
}

.section-heading {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 24px;
}

.section-heading h2 {
  margin: 0;
  font-size: 26px;
  line-height: 1.25;
  letter-spacing: 0;
}

.section-heading p {
  margin: 8px 0 0;
  color: var(--muted);
}

.status-chip {
  display: inline-flex;
  align-items: center;
  min-height: 30px;
  padding: 6px 10px;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent);
  font-size: 12px;
  font-weight: 800;
  white-space: nowrap;
}

.grid {
  display: grid;
  gap: 14px;
}

.grid.two {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

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

.card {
  min-height: 120px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface-soft);
}

.card h3 {
  margin: 0 0 10px;
  font-size: 16px;
  line-height: 1.35;
  letter-spacing: 0;
}

.card p,
.card li {
  color: var(--muted);
  font-size: 14px;
}

.card p {
  margin: 0;
}

.card ul,
.card ol {
  margin: 0;
  padding-left: 18px;
}

.score-card {
  display: grid;
  grid-template-columns: 150px minmax(0, 1fr);
  gap: 20px;
  align-items: center;
  margin-bottom: 18px;
  padding: 22px;
  border: 1px solid #b8d2fb;
  border-radius: 8px;
  background: #f3f8ff;
}

.score-number {
  color: var(--accent);
  font-size: 44px;
  font-weight: 900;
  line-height: 1;
}

.score-number span {
  color: var(--muted);
  font-size: 18px;
}

.diagnosis-preview {
  display: grid;
  gap: 18px;
  margin-bottom: 22px;
  padding: 22px;
  border: 1px solid #b8d2fb;
  border-radius: 8px;
  background: #f7fbff;
}

.channel-preview {
  display: grid;
  gap: 18px;
  margin-bottom: 22px;
  padding: 22px;
  border: 1px solid #c7d7ef;
  border-radius: 8px;
  background: #fbfdff;
}

.source-notice {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 14px;
  margin-bottom: 18px;
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-left: 4px solid var(--accent);
  border-radius: 8px;
  background: #ffffff;
}

.source-notice strong,
.source-notice span {
  display: block;
}

.source-notice strong {
  flex: 0 0 auto;
  color: var(--text);
  font-size: 14px;
}

.source-notice span {
  color: var(--muted);
  font-size: 13px;
  line-height: 1.5;
}

.source-notice.current {
  border-left-color: var(--success);
  background: #f6fff9;
}

.source-notice.sample {
  border-left-color: var(--warning);
  background: #fffaf0;
}

.report-preview {
  display: grid;
  gap: 18px;
  margin-bottom: 22px;
  padding: 22px;
  border: 1px solid #cbd5e1;
  border-radius: 8px;
  background: #fbfcff;
}

.preview-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 22px;
}

.preview-header h3 {
  margin: 0;
  font-size: 20px;
}

.preview-header p {
  margin: 6px 0 0;
  color: var(--muted);
  font-size: 14px;
}

.preview-score {
  min-width: 160px;
  padding: 14px;
  border: 1px solid #b8d2fb;
  border-radius: 8px;
  background: #ffffff;
  text-align: center;
}

.preview-score strong {
  display: block;
  color: var(--accent);
  font-size: 34px;
  line-height: 1;
}

.preview-score strong span {
  color: var(--muted);
  font-size: 16px;
}

.preview-score p {
  margin: 8px 0 0;
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
}

.preview-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.channel-preview-list {
  display: grid;
  gap: 14px;
}

.channel-preview-card {
  display: grid;
  grid-template-columns: 130px minmax(0, 1fr);
  gap: 18px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #ffffff;
}

.channel-preview-name {
  color: var(--accent);
  font-size: 18px;
  font-weight: 900;
}

.channel-preview-body {
  display: grid;
  gap: 10px;
}

.channel-preview-body p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
}

.list-table {
  width: 100%;
  border-collapse: collapse;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
}

.list-table th,
.list-table td {
  padding: 13px 14px;
  border-bottom: 1px solid var(--line);
  font-size: 14px;
  text-align: left;
  vertical-align: top;
}

.list-table th {
  background: #eef4fb;
  color: #334155;
  font-weight: 800;
}

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

.tag {
  display: inline-flex;
  align-items: center;
  margin: 0 6px 6px 0;
  padding: 5px 8px;
  border-radius: 6px;
  background: #edf2f7;
  color: #475569;
  font-size: 12px;
  font-weight: 700;
}

.tag.warning {
  background: #fff7e6;
  color: var(--warning);
}

.tag.success {
  background: #e9f8f0;
  color: var(--success);
}

.tag.danger {
  background: #fff0ee;
  color: var(--danger);
}

.tag.draft {
  background: #eef4ff;
  color: #315c99;
}

.tag.waiting {
  background: #f1f5f9;
  color: #475569;
}

.channel-card {
  display: grid;
  grid-template-columns: 130px minmax(0, 1fr);
  gap: 18px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface-soft);
}

.channel-name {
  color: var(--accent);
  font-size: 18px;
  font-weight: 900;
}

.channel-detail {
  display: grid;
  gap: 10px;
}

.mock-output-section {
  display: grid;
  gap: 14px;
  margin-bottom: 22px;
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fbfcff;
}

.mock-scenario-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 14px;
}

.mock-status-section {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 18px;
  margin-bottom: 18px;
  padding: 18px;
  border: 1px solid var(--line);
  border-left: 4px solid #94a3b8;
  border-radius: 8px;
  background: #ffffff;
}

.mock-status-section.review {
  border-left-color: var(--warning);
  background: #fffaf0;
}

.mock-status-section.error {
  border-left-color: var(--danger);
  background: #fff7f6;
}

.mock-status-section.success {
  border-left-color: var(--success);
  background: #f6fff9;
}

.mock-status-section h3 {
  margin: 0;
  font-size: 18px;
}

.mock-status-section p {
  margin: 6px 0 0;
  color: var(--muted);
  font-size: 13px;
}

.mock-status-badge {
  display: inline-flex;
  align-items: center;
  min-height: 30px;
  padding: 6px 10px;
  border-radius: 999px;
  background: #f1f5f9;
  color: #475569;
  font-size: 12px;
  font-weight: 900;
  white-space: nowrap;
}

.mock-status-badge.success {
  background: #e9f8f0;
  color: var(--success);
}

.mock-status-badge.review {
  background: #fff0c2;
  color: #8a5a00;
}

.mock-status-badge.error {
  background: #fff0ee;
  color: var(--danger);
}

.operator-action-section {
  display: grid;
  gap: 14px;
  margin-bottom: 18px;
  padding: 18px;
  border: 1px solid #c7d7ef;
  border-radius: 8px;
  background: #fbfdff;
}

.operator-action-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 18px;
}

.operator-action-header h3 {
  margin: 0;
  font-size: 18px;
}

.operator-action-header p {
  margin: 6px 0 0;
  color: var(--muted);
  font-size: 13px;
}

.operator-recommendation {
  max-width: 260px;
  padding: 8px 10px;
  border-radius: 6px;
  background: var(--accent-soft);
  color: var(--accent);
  font-size: 13px;
  font-weight: 900;
  text-align: right;
}

.operator-action-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.operator-action-tags span {
  padding: 6px 9px;
  border-radius: 999px;
  background: #eef4fb;
  color: #334155;
  font-size: 12px;
  font-weight: 800;
}

.operator-action-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.operator-guide-panel {
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #ffffff;
}

.operator-guide-panel h4 {
  margin: 0 0 8px;
  font-size: 15px;
}

.operator-guide-panel ul {
  margin: 0;
  padding-left: 18px;
}

.operator-guide-panel li {
  color: var(--muted);
  font-size: 13px;
}

.mock-validation-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
}

.mock-validation-grid div {
  min-height: 70px;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #ffffff;
}

.mock-validation-grid span,
.mock-validation-grid strong {
  display: block;
}

.mock-validation-grid span {
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
}

.mock-validation-grid strong {
  margin-top: 6px;
  color: var(--text);
  font-size: 15px;
}

.delivery-status-card {
  margin-top: 12px;
  padding: 16px;
  border: 1px solid var(--line);
  border-left: 5px solid var(--accent);
  border-radius: 8px;
  background: #ffffff;
}

.delivery-status-card span,
.delivery-status-card strong,
.delivery-status-card p {
  display: block;
}

.delivery-status-card span {
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
}

.delivery-status-card strong {
  margin-top: 6px;
  color: var(--text);
  font-size: 20px;
}

.delivery-status-card p {
  margin: 6px 0 0;
  color: var(--muted);
  font-size: 13px;
}

.delivery-status-card.success {
  border-left-color: var(--success);
  background: #f6fff9;
}

.delivery-status-card.review {
  border-left-color: var(--warning);
  background: #fffaf0;
}

.delivery-status-card.error {
  border-left-color: var(--danger);
  background: #fff7f6;
}

.payload-status {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 18px;
  margin-bottom: 18px;
  padding: 18px;
  border: 1px solid var(--line);
  border-left: 5px solid var(--accent);
  border-radius: 8px;
  background: #ffffff;
}

.payload-status.success {
  border-left-color: var(--success);
  background: #f6fff9;
}

.payload-status.review {
  border-left-color: var(--warning);
  background: #fffaf0;
}

.payload-status.error {
  border-left-color: var(--danger);
  background: #fff7f6;
}

.payload-status h3,
.payload-status p {
  margin: 0;
}

.payload-status p {
  margin-top: 6px;
  color: var(--muted);
  font-size: 13px;
}

.payload-card {
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #ffffff;
}

.payload-card h3 {
  margin: 0 0 12px;
  font-size: 16px;
}

.payload-card dl {
  display: grid;
  gap: 10px;
  margin: 0;
}

.payload-card dl div {
  padding: 10px;
  border-radius: 6px;
  background: var(--surface-soft);
}

.payload-card dt {
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
}

.payload-card dd {
  margin: 4px 0 0;
  color: var(--text);
  font-size: 14px;
  line-height: 1.45;
  overflow-wrap: anywhere;
}

.payload-json {
  max-height: 520px;
  margin: 0;
  padding: 16px;
  overflow: auto;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #0f172a;
  color: #e2e8f0;
  font-size: 13px;
  line-height: 1.6;
}

.prompt-text {
  max-height: 620px;
  margin: 0;
  padding: 16px;
  overflow: auto;
  white-space: pre-wrap;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #111827;
  color: #f8fafc;
  font-size: 13px;
  line-height: 1.65;
}

.mock-alert {
  padding: 13px;
  border-radius: 6px;
  font-size: 13px;
}

.mock-alert strong {
  display: block;
  margin-bottom: 4px;
}

.mock-alert p {
  margin: 4px 0 0;
}

.mock-alert.warning {
  border: 1px solid #f4cf8a;
  background: #fffaf0;
  color: #6f4e12;
}

.mock-alert.error {
  border: 1px solid #f2b8b5;
  background: #fff4f2;
  color: var(--danger);
}

.mock-output-section h3,
.mock-output-section h4 {
  margin: 0;
}

.mock-output-section h4 {
  color: #334155;
  font-size: 15px;
}

.mock-disclaimer {
  padding: 12px;
  border: 1px solid #b8d2fb;
  border-radius: 6px;
  background: #f3f8ff;
  color: var(--accent);
  font-size: 13px;
}

.mock-output-list {
  display: grid;
  gap: 12px;
}

.mock-output-card {
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #ffffff;
}

.mock-output-title {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 10px;
}

.mock-output-title strong {
  color: var(--accent);
  font-size: 17px;
}

.mock-output-title span {
  color: var(--muted);
  font-size: 13px;
}

.mock-output-card h4 {
  margin: 0 0 8px;
  font-size: 16px;
}

.mock-output-card p {
  margin: 0 0 12px;
  color: var(--muted);
  font-size: 14px;
}

.mock-output-meta {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.mock-output-meta > div {
  padding: 10px;
  border-radius: 6px;
  background: var(--surface-soft);
}

.mock-output-meta span {
  display: block;
  margin-bottom: 6px;
  color: #334155;
  font-size: 12px;
  font-weight: 800;
}

.flow {
  display: grid;
  gap: 14px;
  counter-reset: flow;
}

.flow-step {
  position: relative;
  padding: 18px 18px 18px 58px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface-soft);
}

.flow-step::before {
  counter-increment: flow;
  content: counter(flow);
  position: absolute;
  top: 18px;
  left: 18px;
  display: grid;
  width: 28px;
  height: 28px;
  place-items: center;
  border-radius: 50%;
  background: var(--accent);
  color: #ffffff;
  font-size: 13px;
  font-weight: 900;
}

.flow-step h3 {
  margin: 0 0 6px;
  font-size: 16px;
}

.flow-step p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
}

.notice {
  margin-top: 18px;
  padding: 16px;
  border: 1px solid #f4cf8a;
  border-radius: 8px;
  background: #fffaf0;
  color: #6f4e12;
  font-size: 14px;
}

.notice.mvp-warning p {
  margin: 8px 0 0;
}

.tab-guidance {
  display: grid;
  gap: 12px;
  margin: 0 0 18px;
  padding: 16px;
  border: 1px solid var(--line);
  border-left: 4px solid var(--accent);
  border-radius: 8px;
  background: #f8fbff;
}

.tab-guidance strong,
.tab-guidance p {
  display: block;
  margin: 0;
}

.tab-guidance strong {
  color: var(--text);
  font-size: 13px;
}

.tab-guidance p {
  margin-top: 4px;
  color: var(--muted);
  line-height: 1.5;
}

.next-action {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  margin-top: 16px;
  padding: 14px 16px;
  border: 1px solid #cfe3f6;
  border-radius: 8px;
  background: #f4f9ff;
  color: var(--muted);
  line-height: 1.5;
}

.next-action strong {
  flex: 0 0 auto;
  color: var(--accent);
}

.flow-overview {
  margin-bottom: 18px;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #ffffff;
}

.flow-overview h3,
.flow-overview p {
  margin: 0;
}

.flow-overview h3 {
  font-size: 16px;
}

.flow-overview p {
  margin-top: 8px;
  color: var(--muted);
  line-height: 1.7;
}

.client-workflow-overview {
  border-left: 4px solid var(--accent);
}

.drive-root-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 16px;
  padding: 16px;
  border: 1px solid var(--line);
  border-left: 4px solid var(--accent);
  border-radius: 8px;
  background: #ffffff;
}

.drive-root-card h3,
.drive-root-card p {
  margin: 0;
}

.drive-root-card p {
  margin-top: 7px;
  color: var(--muted);
  line-height: 1.6;
}

.drive-root-card a {
  flex: 0 0 auto;
  padding: 10px 13px;
  border: 1px solid var(--accent);
  border-radius: 6px;
  color: var(--accent);
  font-weight: 800;
  text-decoration: none;
}

.folder-structure {
  margin-bottom: 18px;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
}

.folder-structure h3 {
  margin: 0 0 10px;
  font-size: 16px;
}

.folder-structure pre {
  margin: 0;
  overflow-x: auto;
  color: #334155;
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  font-size: 13px;
  line-height: 1.7;
}

.client-link-form input {
  font-size: 13px;
}

.client-link-summary {
  min-height: 220px;
  margin-top: 8px;
}

.button-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 14px 0;
}

.client-workflow {
  display: grid;
  gap: 12px;
  margin-bottom: 18px;
  counter-reset: client-flow;
}

.client-workflow-step {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(240px, 0.8fr);
  gap: 18px;
  padding: 16px 16px 16px 58px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
}

.client-workflow-step::before {
  counter-increment: client-flow;
  content: counter(client-flow);
  position: absolute;
  top: 16px;
  left: 16px;
  display: grid;
  width: 28px;
  height: 28px;
  place-items: center;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent);
  font-size: 13px;
  font-weight: 800;
}

.client-workflow-step h3,
.client-workflow-step p,
.client-workflow-step dl {
  margin: 0;
}

.client-workflow-step h3 {
  font-size: 16px;
}

.client-workflow-step p {
  margin-top: 6px;
  color: var(--muted);
  font-size: 14px;
}

.client-workflow-step dl {
  display: grid;
  gap: 10px;
}

.client-workflow-step dt {
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
}

.client-workflow-step dd {
  margin: 3px 0 0;
  color: var(--text);
  font-size: 13px;
  font-weight: 700;
}

.capability-split {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin-bottom: 18px;
}

.capability-split article {
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface-soft);
}

.capability-split h3 {
  margin: 0 0 10px;
  font-size: 16px;
}

.capability-split ul {
  display: grid;
  gap: 8px;
  margin: 0;
  padding-left: 20px;
  color: var(--muted);
  font-size: 14px;
}

.input-form {
  display: grid;
  gap: 18px;
}

.form-section {
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface-soft);
}

.form-section.required {
  border-left: 4px solid var(--accent);
}

.form-section.optional {
  border-left: 4px solid #94a3b8;
}

.form-section.import-section {
  border-left: 4px solid var(--success);
  background: #fbfefc;
}

.form-section-title {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 16px;
}

.form-section-title h3 {
  margin: 0;
  font-size: 17px;
}

.form-section-title p {
  max-width: 560px;
  margin: 0;
  color: var(--muted);
  font-size: 13px;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.form-grid label {
  display: grid;
  gap: 7px;
  color: #334155;
  font-size: 13px;
  font-weight: 800;
}

.form-grid label.wide {
  grid-column: 1 / -1;
}

.form-grid input,
.form-grid textarea,
.form-grid select {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #ffffff;
  color: var(--text);
  font: inherit;
  font-size: 14px;
  line-height: 1.5;
}

.form-grid input,
.form-grid select {
  min-height: 42px;
  padding: 9px 11px;
}

.form-grid textarea {
  min-height: 92px;
  padding: 10px 11px;
  resize: vertical;
}

.paste-label {
  display: block;
  margin-bottom: 7px;
  color: #334155;
  font-size: 13px;
  font-weight: 800;
}

.excel-workflow-guide {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  margin-bottom: 14px;
}

.excel-workflow-guide div {
  padding: 12px;
  border: 1px solid #cfe3f6;
  border-radius: 8px;
  background: #f4f9ff;
}

.excel-workflow-guide strong,
.excel-workflow-guide span {
  display: block;
}

.excel-workflow-guide strong {
  color: var(--text);
  font-size: 13px;
}

.excel-workflow-guide span {
  margin-top: 5px;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.45;
  overflow-wrap: anywhere;
}

.app-paste-format {
  margin-bottom: 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #ffffff;
}

.app-paste-format summary {
  padding: 10px 12px;
  cursor: pointer;
  color: #334155;
  font-size: 13px;
  font-weight: 800;
}

.app-paste-format pre {
  margin: 0 12px 10px;
  padding: 10px;
  overflow: auto;
  border-radius: 6px;
  background: #0f172a;
  color: #e2e8f0;
  font-size: 12px;
  line-height: 1.5;
}

.app-paste-format p {
  margin: 0;
  padding: 0 12px 12px;
  color: var(--muted);
  font-size: 13px;
}

.paste-textarea {
  width: 100%;
  min-height: 150px;
  padding: 10px 11px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #ffffff;
  color: var(--text);
  font: inherit;
  font-size: 13px;
  line-height: 1.5;
  resize: vertical;
}

.file-input {
  width: 100%;
  margin: 8px 0 10px;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #ffffff;
}

.csv-sample-help {
  margin: 2px 0 0;
  color: var(--muted);
  font-size: 13px;
}

.supported-headers {
  margin-top: 12px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #ffffff;
}

.supported-headers summary {
  padding: 10px 12px;
  cursor: pointer;
  color: #334155;
  font-size: 13px;
  font-weight: 800;
}

.supported-headers div {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 0 12px 12px;
}

.supported-headers span {
  padding: 5px 8px;
  border-radius: 6px;
  background: var(--surface-soft);
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
}

.csv-preview {
  margin-top: 12px;
  padding: 16px;
  border: 1px solid #cbd5e1;
  border-radius: 8px;
  background: #ffffff;
}

.csv-preview-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 14px;
  margin-bottom: 14px;
}

.csv-preview-header h4 {
  margin: 0;
  font-size: 16px;
}

.csv-preview-header p {
  margin: 4px 0 0;
  color: var(--muted);
  font-size: 13px;
}

.csv-status {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  padding: 5px 9px;
  border-radius: 999px;
  background: #f1f5f9;
  color: #475569;
  font-size: 12px;
  font-weight: 900;
  white-space: nowrap;
}

.csv-status.success {
  background: #e9f8f0;
  color: var(--success);
}

.csv-status.review {
  background: #fff7e6;
  color: var(--warning);
}

.csv-status.error {
  background: #fff0ee;
  color: var(--danger);
}

.csv-preview-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.csv-preview-grid div {
  min-height: 58px;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--surface-soft);
}

.csv-preview-grid span,
.csv-preview-grid strong {
  display: block;
}

.csv-preview-grid span {
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
}

.csv-preview-grid strong {
  margin-top: 4px;
  color: var(--text);
  font-size: 13px;
  line-height: 1.45;
  word-break: keep-all;
  overflow-wrap: anywhere;
}

.csv-preview-note {
  margin: 12px 0 0;
  color: var(--muted);
  font-size: 13px;
}

.next-step-callout {
  display: flex;
  gap: 10px;
  margin-top: 12px;
  padding: 12px;
  border: 1px solid #b8d2fb;
  border-radius: 8px;
  background: #f3f8ff;
  color: var(--accent);
  font-size: 13px;
  line-height: 1.5;
}

.next-step-callout strong {
  flex: 0 0 auto;
}

.form-grid input:focus,
.form-grid textarea:focus,
.form-grid select:focus,
.paste-textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(22, 101, 216, 0.12);
  outline: none;
}

.form-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.primary-button,
.secondary-button,
.ghost-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 11px 18px;
  border-radius: 8px;
  cursor: pointer;
  font: inherit;
  font-size: 14px;
  font-weight: 800;
}

.primary-button {
  border: 1px solid var(--accent);
  background: var(--accent);
  color: #ffffff;
}

.secondary-button {
  border: 1px solid #b8d2fb;
  background: var(--accent-soft);
  color: var(--accent);
}

.ghost-button {
  border: 1px solid var(--line);
  background: #ffffff;
  color: var(--muted);
}

.primary-button:hover,
.secondary-button:hover,
.ghost-button:hover {
  filter: brightness(0.97);
}

.primary-button.needs-attention {
  box-shadow: 0 0 0 3px rgba(245, 158, 11, 0.28);
  border-color: #f59e0b;
}

.inline-message {
  min-height: 38px;
  margin-top: 12px;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #ffffff;
  color: var(--muted);
  font-size: 13px;
}

.inline-message.info {
  border-color: #b8d2fb;
  background: #f3f8ff;
  color: var(--accent);
}

.inline-message.success {
  border-color: #b8e5ca;
  background: #effaf4;
  color: var(--success);
}

.inline-message.error {
  border-color: #f2b8b5;
  background: #fff4f2;
  color: var(--danger);
}

.ai-connection-status {
  margin: 18px 0;
  padding: 16px;
  border: 1px solid var(--line);
  border-left: 4px solid var(--accent);
  border-radius: 8px;
  background: #f8fbff;
}

.ai-client-panel {
  margin-top: 18px;
}

.mock-output-note {
  margin: 8px 0 14px;
  color: var(--muted);
  line-height: 1.5;
}

.ai-client-result {
  margin-top: 14px;
  padding: 14px;
  border: 1px solid var(--line);
  border-left: 4px solid var(--warning);
  border-radius: 8px;
  background: #fffaf0;
}

.ai-client-result.success {
  border-left-color: var(--success);
  background: #f6fff9;
}

.ai-client-result.error {
  border-left-color: var(--danger);
  background: #fff7f6;
}

.ai-client-result span,
.ai-client-result strong,
.ai-client-result p {
  display: block;
}

.ai-client-result span {
  color: var(--muted);
  font-size: 12px;
}

.ai-client-result strong {
  margin-top: 4px;
}

.ai-client-result p {
  margin: 6px 0 0;
  color: var(--muted);
  line-height: 1.5;
}

.ai-research-result-blocks {
  display: grid;
  gap: 12px;
  margin-top: 14px;
}

.ai-research-result-blocks section {
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #ffffff;
}

.ai-research-result-blocks pre {
  overflow: auto;
  max-height: 320px;
  margin: 10px 0 0;
  white-space: pre-wrap;
  color: var(--text);
  font-family: inherit;
  font-size: 13px;
  line-height: 1.55;
}

.consulting-report-preview,
.research-summary-preview {
  display: grid;
  gap: 12px;
  margin-top: 12px;
}

.consulting-report-preview h3 {
  margin: 0;
  font-size: 18px;
}

.consulting-report-header {
  padding: 14px;
  border: 1px solid #c7d2fe;
  border-radius: 8px;
  background: #eef2ff;
}

.consulting-report-header p {
  margin: 8px 0 0;
  color: var(--muted);
  line-height: 1.55;
}

.consulting-report-preview section,
.research-summary-preview section {
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fafafa;
}

.consulting-report-preview section.operator-review-section {
  border-color: #f59e0b;
  background: #fffbeb;
}

.consulting-report-preview section.client-disclaimer-section {
  border-color: #94a3b8;
  background: #f8fafc;
}

.consulting-report-preview h4,
.research-summary-preview h4 {
  margin: 0 0 8px;
  font-size: 14px;
}

.consulting-report-preview ul,
.research-summary-preview ul {
  margin: 0;
  padding-left: 18px;
}

.consulting-report-preview li,
.research-summary-preview li {
  margin: 5px 0;
  line-height: 1.55;
}

.consulting-report-preview .empty-note,
.research-summary-preview .empty-note {
  margin: 0;
  color: var(--muted);
}

@media (max-width: 900px) {
  .lead-landing {
    padding: 20px 16px 32px;
  }

  .lead-hero,
  .landing-sections,
  .lead-form,
  .landing-card-grid.four,
  .signal-grid,
  .product-flow-grid,
  .operation-difference,
  .insight-card-grid,
  .faq-grid,
  .operator-workflow-hero,
  .operator-step-grid,
  .operator-cta-grid,
  .second-product-grid {
    grid-template-columns: 1fr;
  }

  .lead-hero {
    min-height: auto;
    padding: 22px;
  }

  .lead-copy h1 {
    font-size: 34px;
  }

  .lead-description {
    font-size: 16px;
  }

  .lead-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .lead-actions .primary-button,
  .lead-actions .secondary-button,
  .lead-actions .ghost-button,
  .lead-form-actions .primary-button {
    width: 100%;
    justify-content: center;
  }

  .final-cta-section h2 {
    font-size: 26px;
  }

  .app-header {
    display: block;
  }

  .header-note {
    width: auto;
    margin-top: 18px;
  }

  .app-shell {
    grid-template-columns: 1fr;
  }

  .side-panel {
    position: static;
  }

  .tab-nav {
    flex-direction: row;
    flex-wrap: wrap;
  }

  .tab-button {
    width: auto;
  }

  .grid.two,
  .grid.three,
  .score-card,
  .channel-card,
  .channel-preview-card,
  .form-grid,
  .preview-grid,
  .csv-preview-grid,
  .mock-validation-grid,
  .mock-output-meta {
    grid-template-columns: 1fr;
  }

  .preview-header {
    display: block;
  }

  .mock-status-section,
  .payload-status,
  .operator-action-header,
  .mock-output-title,
  .drive-root-card {
    display: block;
  }

  .client-workflow-step,
  .capability-split,
  .excel-workflow-guide {
    grid-template-columns: 1fr;
  }

  .operator-recommendation {
    display: inline-block;
    margin-top: 10px;
    text-align: left;
  }

  .preview-score {
    margin-top: 14px;
  }

  .form-section-title {
    display: block;
  }

  .form-section-title p {
    margin-top: 6px;
  }
}

/* GEO 실행 시작 체크리스트 */
.execution-checklist-section {
  margin-top: 32px;
  padding: 24px;
  border: 1.5px solid #e2e8f0;
  border-radius: 14px;
  background: #f8fafc;
}

.execution-checklist-section .form-section-title h3 {
  color: #0f172a;
}

.checklist-group {
  margin-top: 20px;
}

.checklist-group:first-of-type {
  margin-top: 16px;
}

.checklist-label {
  display: block;
  font-size: 13px;
  font-weight: 700;
  color: #334155;
  margin-bottom: 8px;
}

.checklist-note {
  font-size: 12px;
  color: #64748b;
  margin: 0 0 8px;
  line-height: 1.5;
}

.checklist-radio-row,
.checklist-check-row,
.checklist-tasks {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 16px;
}

.checklist-tasks {
  flex-direction: column;
  gap: 6px;
}

.checklist-radio-row label,
.checklist-check-row label,
.checklist-tasks label {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  color: #1e293b;
  cursor: pointer;
}

.checklist-input {
  width: 100%;
  max-width: 360px;
  padding: 8px 12px;
  border: 1px solid #cbd5e1;
  border-radius: 8px;
  font-size: 13px;
  background: #fff;
  color: #1e293b;
  box-sizing: border-box;
}

.checklist-textarea {
  width: 100%;
  min-height: 80px;
  padding: 10px 12px;
  border: 1px solid #cbd5e1;
  border-radius: 8px;
  font-size: 13px;
  background: #fff;
  color: #1e293b;
  resize: vertical;
  box-sizing: border-box;
  line-height: 1.6;
}

/* 무료 진단 신청 혜택 안내 */
.form-benefit-intro {
  margin: 0 0 6px;
  font-size: 14px;
  color: #334155;
  font-weight: 600;
}

.form-benefit-list {
  margin: 0 0 4px;
  padding-left: 18px;
  list-style: disc;
}

.form-benefit-list li {
  font-size: 13px;
  color: #475569;
  line-height: 1.7;
}

/* 운영자 버튼 — 고객 화면에서 숨김 (기능 유지) */
.visually-hidden {
  display: none;
}

/* 추가 정보 접힘 영역 */
.optional-fields-group {
  grid-column: 1 / -1;
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 0;
  overflow: hidden;
}

.optional-fields-group > summary {
  padding: 12px 16px;
  font-size: 13px;
  font-weight: 600;
  color: #64748b;
  cursor: pointer;
  list-style: none;
  user-select: none;
  background: #f8fafc;
  border-bottom: 1px solid transparent;
  transition: background 0.15s;
}

.optional-fields-group > summary::-webkit-details-marker {
  display: none;
}

.optional-fields-group > summary::after {
  content: " ＋";
  font-weight: 400;
}

.optional-fields-group[open] > summary {
  border-bottom-color: var(--line);
  background: #f1f5f9;
}

.optional-fields-group[open] > summary::after {
  content: " －";
}

.optional-fields-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  padding: 16px;
}

.optional-fields-inner .wide {
  grid-column: 1 / -1;
}

@media (max-width: 600px) {
  .optional-fields-inner {
    grid-template-columns: 1fr;
  }
}

/* PDF 표지 — 고객 정보 메타 */
.client-meta {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
  margin: 0 0 14px;
  padding: 10px 14px;
  background: #f1f5f9;
  border-radius: 8px;
  font-size: 13px;
  color: #334155;
}
.client-meta strong { color: #0f172a; }

/* PDF 90일 로드맵 — 단계 배지 */
.roadmap-phases {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin: 0 0 12px;
}
.phase-badge {
  padding: 6px 14px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 700;
  color: #fff;
}
.phase-1 { background: #2563eb; }
.phase-2 { background: #16a34a; }
.phase-3 { background: #7c3aed; }

/* ──────────────────────────────────────────
   랜딩 리디자인 — 프리미엄 레이아웃 요소
   ────────────────────────────────────────── */

/* 상단 네비게이션 바 */
.landing-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 0;
  border-bottom: 1px solid rgba(219, 227, 239, 0.5);
}

.landing-nav-brand {
  font-size: 18px;
  font-weight: 700;
  color: var(--text);
  letter-spacing: -0.01em;
}

.landing-nav-brand strong {
  color: var(--accent);
}

.landing-nav-cta {
  text-decoration: none;
  min-height: 40px;
  padding: 10px 20px;
  font-size: 14px;
}

/* 섹션 아이브로우 (eyebrow label) */
.section-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin: 0 0 10px;
  color: var(--accent);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

/* 랜딩 CTA 버튼 — 더 크게 */
.lead-actions .primary-button,
.lead-form-actions .primary-button {
  min-height: 54px;
  padding: 14px 32px;
  font-size: 16px;
  border-radius: 10px;
}

.lead-actions .secondary-button {
  min-height: 54px;
  padding: 14px 28px;
  font-size: 15px;
  border-radius: 10px;
}

/* 리드 패널 — 혜택 체크리스트 */
.panel-eyebrow {
  margin: 0;
  color: rgba(255, 255, 255, 0.6);
  font-size: 11px;
  font-weight: 900;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.panel-checklist {
  display: grid;
  gap: 14px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.panel-checklist li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 0;
  border: none;
  background: none;
  border-radius: 0;
  color: #ffffff;
  font-size: 15px;
  font-weight: 600;
  line-height: 1.5;
}

.panel-checklist li::before {
  content: "✓";
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.2);
  color: #ffffff;
  font-size: 11px;
  font-weight: 900;
  margin-top: 2px;
}

.panel-note {
  margin: 0;
  padding: 12px 16px;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.1);
  color: rgba(255, 255, 255, 0.7);
  font-size: 13px;
  line-height: 1.5;
}

/* 4대 신호 — 원형 뱃지 */
.signal-grid article {
  padding: 28px 22px;
  gap: 14px;
  border-radius: 14px;
  border-color: rgba(219, 227, 239, 0.7);
}

.signal-grid article span {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background: var(--accent);
  color: #ffffff;
  font-size: 11px;
  font-weight: 900;
  letter-spacing: 0.04em;
  flex-shrink: 0;
}

.signal-grid article strong {
  font-size: 16px;
}

.signal-grid article p {
  font-size: 14px;
  line-height: 1.6;
}

/* 비교 섹션 — 2열 레이아웃 */
.comparison-section .comparison-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
  margin-top: 24px;
}

.comparison-col {
  padding: 28px 24px;
  border-radius: 12px;
}

.comparison-col-old {
  background: #f8fafc;
  border: 1px solid var(--line);
}

.comparison-col-new {
  background: linear-gradient(145deg, #eff6ff 0%, #e0f2fe 100%);
  border: 2px solid #3b82f6;
}

.comparison-col h3 {
  margin: 0 0 16px;
  font-size: 17px;
  font-weight: 900;
}

.comparison-col-old h3 {
  color: var(--muted);
}

.comparison-col-new h3 {
  color: #1e40af;
}

/* 상품 흐름 — 단계 강조 */
.product-flow-grid article {
  border-radius: 14px;
  padding: 24px 18px;
  gap: 10px;
}

.product-flow-grid article:first-child {
  border-color: #3b82f6;
  background: linear-gradient(145deg, #eff6ff, #dbeafe);
}

.product-flow-grid article:first-child span {
  color: #1e40af;
}

.product-free-badge {
  display: inline-flex;
  align-items: center;
  padding: 3px 10px;
  border-radius: 999px;
  background: #1a56db;
  color: #ffffff;
  font-size: 11px;
  font-weight: 900;
  letter-spacing: 0.04em;
  margin-top: 2px;
}

/* 최종 CTA — 시각적 풍성함 */
.final-cta-section {
  position: relative;
  overflow: hidden;
  padding: 60px 48px;
  border-radius: 24px;
}

.final-cta-section h2 {
  font-size: 36px;
  line-height: 1.25;
  letter-spacing: -0.02em;
  position: relative;
  z-index: 1;
}

.final-cta-section .lead-actions {
  position: relative;
  z-index: 1;
}

.final-cta-section::before {
  content: "";
  position: absolute;
  top: -80px;
  right: -60px;
  width: 340px;
  height: 340px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(99, 102, 241, 0.18), transparent 70%);
  pointer-events: none;
}

/* 진단 점수 섹션 — 미세 개선 */
.score-list span {
  padding: 14px 16px;
  border-radius: 10px;
  font-size: 14px;
}

.score-list strong {
  font-size: 20px;
  min-width: 52px;
}

/* 폼 섹션 간격 */
.lead-form-section {
  margin-top: 36px;
}

/* 인사이트 / FAQ 카드 */
.insight-card-grid details,
.faq-grid details {
  border-radius: 12px;
  padding: 20px;
}

.insight-card-grid summary,
.faq-grid summary {
  font-size: 16px;
  line-height: 1.4;
}

/* SEO·AEO·GEO 3층 프레임워크 */
.layer-stack {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin: 28px 0 18px;
}

.layer-stack article {
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 22px 26px;
  border-radius: 14px;
  border: 1px solid var(--line, #dbe3ef);
}

.layer-stack article span {
  font-size: 14px;
  font-weight: 800;
  color: var(--muted, #64748b);
  min-width: 34px;
}

.layer-stack article strong {
  display: block;
  font-size: 18px;
  margin-bottom: 4px;
}

.layer-stack article p {
  margin: 0;
  font-size: 14px;
  color: var(--muted, #64748b);
}

.layer-stack .layer-3f {
  background: #1c1226;
  border-color: #1c1226;
}

.layer-stack .layer-3f strong {
  color: #ff5d7a;
}

.layer-stack .layer-3f p,
.layer-stack .layer-3f span {
  color: rgba(255, 255, 255, 0.72);
}

.layer-stack .layer-2f {
  background: #fff0f3;
  border-color: #ffd9e0;
}

.layer-stack .layer-2f strong {
  color: #d81b4a;
}

.layer-stack .layer-1f {
  background: var(--surface-soft, #f8fafc);
}

.layer-note {
  font-size: 14px;
  font-weight: 600;
  background: var(--accent-soft, #e8f1ff);
  border-radius: 10px;
  padding: 14px 18px;
  display: inline-block;
}

/* 스팸 방지 허니팟 필드 (사람 눈에 보이지 않음) */
.hp-field {
  position: absolute !important;
  left: -9999px !important;
  top: -9999px !important;
  width: 1px;
  height: 1px;
  overflow: hidden;
  opacity: 0;
  pointer-events: none;
}

/* 개인정보 수집·이용 동의 */
.consent-row {
  display: flex !important;
  flex-direction: row !important;
  align-items: flex-start;
  gap: 10px;
  padding: 14px 16px;
  border: 1px solid var(--line, #dbe3ef);
  border-radius: 10px;
  background: var(--surface-soft, #f8fafc);
  cursor: pointer;
}

.consent-row input[type="checkbox"] {
  margin-top: 3px;
  width: 16px;
  height: 16px;
  flex-shrink: 0;
}

.consent-row span {
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--muted, #64748b);
}

.consent-row span strong {
  color: var(--text, #172033);
}

.lead-form .consent-row {
  grid-column: 1 / -1;
}