:root {
  color-scheme: light;
  --bg: #f7f8f4;
  --surface: #ffffff;
  --surface-muted: #eef3ef;
  --ink: #17211b;
  --muted: #5e6b62;
  --line: #d8ded8;
  --accent: #0f766e;
  --accent-dark: #0a534e;
  --coral: #d85b45;
  --gold: #b97919;
  --blue: #3861b6;
  --shadow: 0 18px 60px rgba(23, 33, 27, 0.12);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  min-width: 320px;
  margin: 0;
  background:
    linear-gradient(180deg, rgba(15, 118, 110, 0.08), rgba(255, 255, 255, 0) 420px),
    var(--bg);
  color: var(--ink);
  font-family:
    system-ui,
    -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    sans-serif;
  line-height: 1.6;
}

button,
input,
select,
textarea {
  font: inherit;
}

a {
  color: inherit;
}

.app-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 14px clamp(16px, 4vw, 44px);
  border-bottom: 1px solid rgba(216, 222, 216, 0.85);
  background: rgba(247, 248, 244, 0.9);
  backdrop-filter: blur(14px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--ink);
  font-weight: 800;
  text-decoration: none;
}

.brand-mark {
  display: grid;
  width: 34px;
  height: 34px;
  place-items: center;
  border-radius: 8px;
  background: var(--ink);
  color: #fff;
  font-size: 13px;
  letter-spacing: 0;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 14px;
  color: var(--muted);
  font-size: 14px;
  font-weight: 700;
}

.nav-links a {
  text-decoration: none;
}

.nav-links a:hover {
  color: var(--accent);
}

.diagnosis-band,
.results-band,
.tools-band {
  padding: clamp(28px, 6vw, 72px) clamp(16px, 4vw, 44px);
}

.diagnosis-layout,
.section-shell {
  width: min(1160px, 100%);
  margin: 0 auto;
}

.diagnosis-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(360px, 1.08fr);
  gap: clamp(22px, 5vw, 56px);
  align-items: center;
}

.intro-copy h1 {
  max-width: 690px;
  margin: 0;
  font-size: clamp(34px, 5vw, 64px);
  line-height: 1.1;
  letter-spacing: 0;
}

.intro-copy p:not(.eyebrow) {
  max-width: 650px;
  margin: 18px 0 0;
  color: var(--muted);
  font-size: 16px;
}

.eyebrow {
  margin: 0 0 10px;
  color: var(--accent);
  font-size: 13px;
  font-weight: 800;
}

.signal-panel {
  display: grid;
  gap: 10px;
  max-width: 500px;
  margin-top: 30px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.68);
}

.signal-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.signal-row span {
  color: var(--muted);
  font-size: 13px;
  font-weight: 700;
}

.signal-row strong {
  font-size: 15px;
}

.signal-row.accent strong {
  color: var(--accent-dark);
}

.signal-line {
  height: 8px;
  border-left: 2px solid var(--line);
  margin-left: 20px;
}

.router-form {
  padding: clamp(18px, 4vw, 30px);
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  box-shadow: var(--shadow);
}

.field-label {
  display: block;
  margin-bottom: 8px;
  color: var(--ink);
  font-size: 14px;
  font-weight: 800;
}

textarea,
select {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  color: var(--ink);
}

textarea {
  min-height: 142px;
  padding: 14px;
  resize: vertical;
}

select {
  min-height: 46px;
  padding: 0 12px;
}

textarea:focus,
select:focus {
  border-color: var(--accent);
  outline: 3px solid rgba(15, 118, 110, 0.16);
}

.form-meta {
  display: flex;
  min-height: 24px;
  justify-content: space-between;
  gap: 12px;
  margin: 6px 0 18px;
  color: var(--muted);
  font-size: 13px;
}

#validation-message {
  color: var(--coral);
  font-weight: 700;
  text-align: right;
}

.form-grid {
  display: grid;
  grid-template-columns: minmax(160px, 0.75fr) minmax(0, 1.25fr);
  gap: 16px;
  align-items: end;
}

.prompt-option-grid,
.prompt-controls {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 16px;
}

.prompt-option-grid {
  margin-top: 16px;
}

.prompt-controls {
  align-items: end;
  margin: 0 0 18px;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.72);
}

.priority-field {
  min-width: 0;
  margin: 0;
  padding: 0;
  border: 0;
}

.segmented-control {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 6px;
  padding: 4px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface-muted);
}

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

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

.segmented-control label {
  min-width: 0;
}

.segmented-control input {
  position: absolute;
  opacity: 0;
}

.segmented-control span {
  display: grid;
  min-height: 38px;
  place-items: center;
  border-radius: 6px;
  color: var(--muted);
  cursor: pointer;
  font-size: 13px;
  font-weight: 800;
  text-align: center;
}

.segmented-control input:checked + span {
  background: var(--ink);
  color: #fff;
}

.example-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 18px 0;
}

.chip {
  border: 1px solid var(--line);
  border-radius: 999px;
  background: #fff;
  color: var(--muted);
  cursor: pointer;
  font-size: 13px;
  font-weight: 700;
  padding: 7px 11px;
}

.chip:hover {
  border-color: var(--accent);
  color: var(--accent-dark);
}

.primary-action,
.secondary-action,
.mini-action {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border: 0;
  border-radius: 8px;
  cursor: pointer;
  font-weight: 800;
  text-decoration: none;
}

.primary-action {
  width: 100%;
  min-height: 50px;
  background: var(--accent);
  color: #fff;
  font-size: 16px;
}

.primary-action:hover {
  background: var(--accent-dark);
}

.primary-action:disabled {
  cursor: wait;
  opacity: 0.74;
}

.secondary-action,
.mini-action {
  border: 1px solid var(--line);
  background: #fff;
  color: var(--ink);
}

.secondary-action {
  min-height: 42px;
  padding: 0 14px;
}

.mini-action {
  min-height: 34px;
  padding: 0 10px;
  font-size: 13px;
}

.is-hidden {
  display: none;
}

.loading-layer {
  position: fixed;
  inset: 0;
  z-index: 40;
  display: grid;
  place-items: center;
  padding: 20px;
  background: rgba(247, 248, 244, 0.86);
  backdrop-filter: blur(14px);
}

.loading-layer.is-hidden {
  display: none;
}

.loading-dialog {
  width: min(440px, 100%);
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  box-shadow: var(--shadow);
  text-align: center;
}

.loading-dialog h2 {
  margin: 0;
  font-size: 24px;
  line-height: 1.2;
}

.loading-dialog p:not(.eyebrow) {
  min-height: 28px;
  margin: 12px 0 0;
  color: var(--muted);
  font-weight: 700;
}

.spinner {
  width: 42px;
  height: 42px;
  margin: 0 auto 16px;
  border: 4px solid var(--surface-muted);
  border-top-color: var(--accent);
  border-radius: 999px;
  animation: spin 0.86s linear infinite;
}

.progress-track {
  height: 8px;
  margin-top: 18px;
  overflow: hidden;
  border-radius: 999px;
  background: var(--surface-muted);
}

.progress-track span {
  display: block;
  width: 42%;
  height: 100%;
  border-radius: inherit;
  background: var(--accent);
  animation: progressSweep 1.4s ease-in-out infinite;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

@keyframes progressSweep {
  0% {
    transform: translateX(-120%);
  }

  100% {
    transform: translateX(260%);
  }
}

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

.section-head h2 {
  margin: 0;
  font-size: clamp(26px, 3vw, 38px);
  line-height: 1.18;
}

.query-summary {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 18px;
}

.summary-pill {
  border: 1px solid var(--line);
  border-radius: 999px;
  background: #fff;
  color: var(--muted);
  font-size: 13px;
  font-weight: 700;
  padding: 7px 10px;
}

.summary-pill.warning {
  border-color: rgba(216, 91, 69, 0.45);
  color: var(--coral);
}

.result-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.result-card,
.comparison-wrap,
.tool-card {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
}

.result-card {
  display: grid;
  gap: 14px;
  padding: 18px;
}

.rank {
  display: inline-flex;
  width: fit-content;
  align-items: center;
  gap: 8px;
  border-radius: 999px;
  background: rgba(15, 118, 110, 0.1);
  color: var(--accent-dark);
  font-size: 13px;
  font-weight: 800;
  padding: 5px 10px;
}

.result-card h3,
.tool-card h3 {
  margin: 0;
  font-size: 22px;
  line-height: 1.25;
}

.meta-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
}

.meta-item {
  min-height: 64px;
  padding: 10px;
  border-radius: 8px;
  background: var(--surface-muted);
}

.meta-item span {
  display: block;
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
}

.meta-item strong {
  display: block;
  margin-top: 2px;
  font-size: 14px;
}

.reason-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.reason-list li {
  display: grid;
  grid-template-columns: 78px 1fr;
  gap: 10px;
  padding: 9px 0;
  border-top: 1px solid var(--line);
  font-size: 14px;
}

.reason-list b {
  color: var(--muted);
}

.prompt-box {
  display: grid;
  gap: 10px;
}

.prompt-badge {
  width: fit-content;
  border-radius: 999px;
  background: rgba(185, 121, 25, 0.12);
  color: var(--gold);
  font-size: 12px;
  font-weight: 800;
  padding: 5px 9px;
}

.prompt-text {
  min-height: 148px;
  margin: 0;
  overflow: auto;
  white-space: pre-wrap;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fbfcfb;
  color: #26312a;
  font-size: 13px;
  line-height: 1.55;
  padding: 12px;
}

.card-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.comparison-wrap {
  margin-top: 18px;
  padding: 18px;
}

.comparison-wrap h3 {
  margin: 0 0 12px;
  font-size: 18px;
}

.table-scroll {
  overflow-x: auto;
}

.comparison-table {
  width: 100%;
  min-width: 780px;
  border-collapse: collapse;
  font-size: 14px;
}

.comparison-table th,
.comparison-table td {
  border-top: 1px solid var(--line);
  padding: 12px 10px;
  text-align: left;
  vertical-align: top;
}

.comparison-table th {
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
}

.score-bar {
  display: grid;
  width: 88px;
  height: 8px;
  border-radius: 999px;
  background: var(--surface-muted);
  overflow: hidden;
}

.score-bar span {
  background: var(--accent);
}

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

.tool-card {
  display: grid;
  gap: 14px;
  padding: 18px;
}

.tool-card p {
  margin: 0;
  color: var(--muted);
}

.tag-row {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
}

.tag {
  border-radius: 999px;
  background: rgba(56, 97, 182, 0.1);
  color: var(--blue);
  font-size: 12px;
  font-weight: 800;
  padding: 5px 8px;
}

.detail-list {
  display: grid;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
  color: var(--muted);
  font-size: 14px;
}

.detail-list li {
  display: grid;
  grid-template-columns: 94px 1fr;
  gap: 10px;
}

.detail-list b {
  color: var(--ink);
}

.toast {
  position: fixed;
  right: 16px;
  bottom: 16px;
  z-index: 30;
  max-width: min(360px, calc(100vw - 32px));
  transform: translateY(16px);
  opacity: 0;
  border-radius: 8px;
  background: var(--ink);
  color: #fff;
  font-size: 14px;
  font-weight: 800;
  padding: 12px 14px;
  pointer-events: none;
  transition:
    opacity 0.2s ease,
    transform 0.2s ease;
}

.toast.is-visible {
  transform: translateY(0);
  opacity: 1;
}

.site-page {
  background:
    linear-gradient(135deg, rgba(15, 118, 110, 0.12), rgba(216, 91, 69, 0.08) 46%, rgba(255, 255, 255, 0) 74%),
    var(--bg);
}

.lp-hero,
.lp-band,
.lp-cta {
  padding: clamp(34px, 6vw, 78px) clamp(16px, 4vw, 44px);
}

.lp-hero-grid,
.lp-two-col {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(320px, 0.95fr);
  gap: clamp(24px, 5vw, 58px);
  align-items: center;
}

.lp-hero h1 {
  margin: 0;
  font-size: clamp(46px, 8vw, 92px);
  line-height: 0.95;
  letter-spacing: 0;
}

.lead {
  max-width: 680px;
  margin: 20px 0 0;
  color: var(--muted);
  font-size: 18px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 24px;
}

.hero-actions.center {
  justify-content: center;
}

.link-action {
  width: fit-content;
  min-width: 150px;
  padding: 0 16px;
}

.lp-preview,
.price-box,
.page-panel {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.82);
  box-shadow: var(--shadow);
}

.lp-preview {
  display: grid;
  gap: 14px;
  padding: clamp(18px, 4vw, 28px);
}

.lp-preview h2,
.lp-band h2,
.lp-cta h2,
.page-hero h1 {
  margin: 0;
  font-size: clamp(28px, 4vw, 46px);
  line-height: 1.12;
  letter-spacing: 0;
}

.preview-list {
  display: grid;
  gap: 8px;
}

.preview-list div {
  display: grid;
  gap: 2px;
  padding: 12px;
  border-radius: 8px;
  background: var(--surface-muted);
}

.preview-list span {
  color: var(--muted);
  font-size: 14px;
}

.lp-band.muted {
  background: rgba(238, 243, 239, 0.58);
}

.lp-card-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.lp-card-grid.four {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

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

.feature-list p {
  display: grid;
  gap: 4px;
  margin: 0;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}

.feature-list span {
  color: var(--muted);
}

.steps {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.steps div {
  display: grid;
  gap: 10px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}

.steps span {
  display: grid;
  width: 34px;
  height: 34px;
  place-items: center;
  border-radius: 999px;
  background: var(--ink);
  color: #fff;
  font-weight: 800;
}

.steps p,
.price-box p,
.page-panel p,
.page-panel li {
  color: var(--muted);
}

.price-box {
  display: grid;
  gap: 12px;
  padding: 22px;
}

.price-box h3 {
  margin: 0;
  font-size: 24px;
}

.price-box strong {
  font-size: 42px;
  line-height: 1;
}

.faq-list {
  display: grid;
  gap: 10px;
}

.faq-list details {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  padding: 14px 16px;
}

.faq-list summary {
  cursor: pointer;
  font-weight: 800;
}

.lp-cta {
  text-align: center;
}

.site-footer {
  padding: 24px clamp(16px, 4vw, 44px);
  border-top: 1px solid var(--line);
  background: #fff;
  color: var(--muted);
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.footer-inner nav {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.footer-inner a {
  color: var(--muted);
  font-weight: 700;
  text-decoration: none;
}

.page-hero {
  padding: clamp(34px, 6vw, 68px) clamp(16px, 4vw, 44px) 18px;
}

.page-panel {
  display: grid;
  gap: 18px;
  margin: 0 auto clamp(34px, 6vw, 72px);
  padding: clamp(18px, 4vw, 30px);
}

.page-panel h2 {
  margin: 0;
  font-size: 24px;
}

.page-panel ul {
  margin: 0;
  padding-left: 20px;
}

@media (max-width: 920px) {
  .diagnosis-layout,
  .result-grid,
  .tool-detail-grid,
  .lp-hero-grid,
  .lp-two-col,
  .lp-card-grid,
  .lp-card-grid.four,
  .steps {
    grid-template-columns: 1fr;
  }

  .diagnosis-layout {
    align-items: start;
  }
}

@media (max-width: 640px) {
  .app-header {
    align-items: flex-start;
    flex-direction: column;
    gap: 10px;
  }

  .nav-links {
    width: 100%;
    justify-content: flex-start;
  }

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

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

  .prompt-option-grid,
  .prompt-controls {
    grid-template-columns: 1fr;
  }

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

  .section-head {
    align-items: stretch;
    flex-direction: column;
  }

  .footer-inner {
    align-items: flex-start;
    flex-direction: column;
  }

  .secondary-action {
    width: 100%;
  }

  .reason-list li,
  .detail-list li {
    grid-template-columns: 1fr;
    gap: 2px;
  }
}