:root {
  --main: #235f56;
  --sub: #d9a441;
  --accent: #2f6f9f;
  --ink: #172026;
  --muted: #617078;
  --line: #dde6e4;
  --soft: #f5f8f7;
  --soft-blue: #f1f6f8;
  --panel: #ffffff;
  --danger: #b5473f;
  --radius: 8px;
  --shadow: 0 14px 34px rgba(30, 58, 63, 0.08);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--ink);
  background: #ffffff;
  line-height: 1.68;
}

a { color: var(--main); text-decoration: none; }
a:hover { text-decoration: underline; }
img { display: block; max-width: 100%; height: auto; }

h1, h2, h3 {
  line-height: 1.28;
  letter-spacing: 0;
  color: #102125;
}

h1 { font-size: clamp(32px, 5vw, 52px); margin: 0 0 16px; }
h2 { font-size: clamp(24px, 3vw, 32px); margin: 36px 0 14px; }
h3 { font-size: 20px; margin: 22px 0 10px; }
p { margin: 0 0 14px; }
ul, ol { padding-left: 22px; }
li + li { margin-top: 6px; }

.skip-link {
  position: absolute;
  left: -999px;
  top: 8px;
  z-index: 20;
  background: var(--ink);
  color: #fff;
  padding: 8px 12px;
  border-radius: 6px;
}

.skip-link:focus { left: 8px; }

.wrap,
.container {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  border-bottom: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(10px);
}

.header-inner {
  min-height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-width: 220px;
  color: var(--ink);
}

.brand:hover { text-decoration: none; }

.brand-logo,
.brand-mark {
  width: 40px;
  height: 40px;
  flex: 0 0 40px;
  border-radius: 8px;
}

.brand-logo {
  display: block;
}

.brand-mark {
  display: inline-grid;
  place-items: center;
  background: var(--main);
  color: #fff;
  font-weight: 850;
}

.brand strong { display: block; font-size: 17px; }
.brand small { display: block; color: var(--muted); font-size: 12px; font-weight: 520; }

.main-nav,
.nav {
  display: flex;
  align-items: center;
  gap: 18px;
  flex-wrap: wrap;
  font-size: 14px;
}

.main-nav a,
.nav a {
  color: #223136;
  font-weight: 700;
}

.main-nav a[aria-current="page"] {
  color: var(--main);
}

.admin-link {
  padding: 7px 10px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.hero {
  border-bottom: 1px solid var(--line);
  background: linear-gradient(180deg, #f3faf8 0%, #ffffff 100%);
}

.hero-grid {
  min-height: 560px;
  padding: 64px 0 48px;
  display: grid;
  grid-template-columns: minmax(0, 1.02fr) minmax(320px, 0.98fr);
  gap: 42px;
  align-items: center;
}

.hero h1 { max-width: 760px; }
.hero > .wrap > div:first-child > p:not(.eyebrow),
.hero-copy {
  max-width: 680px;
  color: #34464a;
  font-size: 18px;
}

.hero-panel {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
  box-shadow: var(--shadow);
}

.hero-panel img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

.hero-panel > div { padding: 18px 20px 20px; }
.hero-panel ul { margin-bottom: 0; }

.eyebrow {
  display: inline-block;
  color: var(--accent);
  font-weight: 850;
  font-size: 13px;
  margin: 0 0 8px;
}

.button {
  min-height: 42px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 0 15px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  color: var(--ink);
  font-weight: 780;
  cursor: pointer;
  font: inherit;
}

.button:hover { text-decoration: none; border-color: #b9c9c6; }
.button.primary { background: var(--main); border-color: var(--main); color: #fff; }
.button.secondary { background: #f7faf9; }
.button.danger, .danger { color: var(--danger); border-color: #e4c4c0; }
.button.small { min-height: 34px; padding: 0 10px; font-size: 13px; }

.hero-actions,
.toolbar,
.row-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
}

.section { padding: 46px 0; }
.section-band { background: var(--soft); border-block: 1px solid var(--line); }

.section-head {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 18px;
  margin-bottom: 18px;
}

.section-head h1,
.section-head h2 { margin: 0; }

.section-lead {
  max-width: 760px;
  margin: -4px 0 18px;
  color: #405056;
}

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

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

.content-card,
.category-card,
.category-row,
.editor-box,
.purpose-box,
.notice,
.toc,
.summary-box,
.answer-box,
.contact-form,
.ad-wrap,
.admin-card,
.admin-panel,
.preview-box {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
}

.content-card,
.category-card,
.editor-box,
.purpose-box,
.admin-card {
  padding: 18px;
}

.content-card,
.category-card {
  min-height: 100%;
}

.content-card h3 { margin-top: 6px; }
.content-card p,
.category-card p { color: #405056; }

.category-card {
  display: block;
  color: var(--ink);
}

.category-card span {
  display: block;
  width: 34px;
  height: 6px;
  margin-bottom: 14px;
  border-radius: 999px;
  background: var(--category-color, var(--main));
}

.category-card:hover,
.content-card:hover {
  box-shadow: var(--shadow);
  text-decoration: none;
}

.category-list {
  display: grid;
  gap: 12px;
  padding-bottom: 48px;
}

.reading-order {
  padding-bottom: 22px;
}

.reading-order h2 {
  margin-top: 6px;
}

.reading-order ol {
  display: grid;
  gap: 10px;
  padding-left: 0;
  list-style: none;
  counter-reset: reading;
}

.reading-order li {
  counter-increment: reading;
  display: grid;
  grid-template-columns: 36px minmax(0, 1fr);
  gap: 12px;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
}

.reading-order li::before {
  content: counter(reading);
  width: 30px;
  height: 30px;
  display: inline-grid;
  place-items: center;
  border-radius: 999px;
  background: var(--soft-blue);
  color: var(--main);
  font-weight: 850;
}

.reading-order a {
  font-weight: 800;
}

.reading-order span {
  display: block;
  color: var(--muted);
  font-size: 14px;
}

.category-row {
  display: grid;
  grid-template-columns: 14px minmax(120px, 180px) minmax(0, 1fr) auto;
  gap: 14px;
  align-items: center;
  padding: 16px;
  color: var(--ink);
}

.category-row span {
  width: 12px;
  height: 36px;
  border-radius: 999px;
}

.category-row p { margin: 0; color: var(--muted); }
.category-row small { color: var(--muted); }

.two-column {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(300px, 0.62fr);
  gap: 28px;
  align-items: start;
}

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

.purpose-box {
  padding: 24px;
  background: var(--soft-blue);
}

.trust-signal-panel {
  padding-top: 36px;
}

.trust-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

.trust-card,
.policy-panel,
.correction-box,
.review-note {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
}

.trust-card {
  padding: 16px;
}

.trust-card strong {
  display: block;
  margin-bottom: 8px;
  color: var(--main);
  font-size: 17px;
}

.trust-card p,
.policy-panel p,
.correction-box p {
  color: #405056;
}

.policy-list li + li {
  margin-top: 10px;
}

.policy-panel {
  padding: 20px;
  background: #fffdf7;
}

.policy-panel h2 {
  margin-top: 0;
}

.policy-panel ol {
  padding-left: 22px;
  margin-bottom: 18px;
}

.correction-box {
  margin-top: 20px;
  padding: 16px 18px;
  background: var(--soft-blue);
}

.correction-box strong {
  display: block;
  margin-bottom: 6px;
}

.comparison-hub {
  display: grid;
  gap: 28px;
  padding-bottom: 48px;
}

.compare-cluster {
  padding-top: 6px;
  border-top: 1px solid var(--line);
}

.compare-cluster:first-child {
  border-top: 0;
}

.page-title {
  padding: 54px 0 28px;
}

.page-title p {
  max-width: 760px;
  color: #405056;
  font-size: 18px;
}

.article {
  max-width: 820px;
  padding: 42px 0 24px;
}

.article-header {
  padding-bottom: 18px;
  border-bottom: 1px solid var(--line);
  margin-bottom: 22px;
}

.article-header p {
  color: #405056;
  font-size: 18px;
}

.article-meta,
.card-meta,
.meta,
.breadcrumb,
.small-muted,
.copyright {
  color: var(--muted);
  font-size: 14px;
}

.review-note {
  display: grid;
  gap: 6px;
  margin-top: 16px;
  padding: 12px 14px;
  background: #f9fbfa;
}

.review-note strong {
  color: var(--main);
}

.review-note span {
  color: #405056;
  font-size: 14px;
}

.card-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 14px;
}

.breadcrumb {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 16px;
}

.toc,
.summary-box,
.answer-box,
.notice {
  padding: 16px 18px;
  background: var(--soft);
}

.toc ol { margin-bottom: 0; }
.summary-box { border-left: 4px solid var(--main); }
.answer-box {
  margin: 18px 0 24px;
  border-left: 4px solid var(--sub);
  background: #fffdf7;
}

.answer-box strong {
  display: block;
  margin-bottom: 8px;
  color: var(--main);
}

.answer-box p { margin: 0; }

.table-scroll {
  width: 100%;
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
}

.comparison-table {
  width: 100%;
  min-width: 680px;
  border-collapse: collapse;
}

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

.comparison-table thead th {
  background: #f5f8f7;
  color: #223136;
}

.comparison-table tbody th {
  width: 24%;
  color: var(--main);
}

.comparison-table tr:last-child th,
.comparison-table tr:last-child td {
  border-bottom: 0;
}
.check-list li::marker { color: var(--main); font-weight: 800; }

.calculator {
  display: grid;
  grid-template-columns: minmax(0, 1.12fr) minmax(280px, 0.88fr);
  gap: 18px;
  margin: 24px 0 34px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fbfdfc;
}

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

.calculator label {
  display: grid;
  gap: 6px;
  color: #34464a;
  font-weight: 760;
  font-size: 14px;
}

.calculator .checkbox-row {
  grid-template-columns: auto minmax(0, 1fr);
  align-items: center;
  min-height: 42px;
  padding: 8px 10px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
}

.calculator input {
  width: 100%;
  min-height: 42px;
  padding: 8px 10px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  color: var(--ink);
  font: inherit;
}

.calculator input[type="checkbox"] {
  width: 18px;
  height: 18px;
  min-height: 0;
  padding: 0;
}

.calculator button {
  align-self: end;
}

.calculator output {
  display: block;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
}

.calculator dl {
  display: grid;
  gap: 10px;
  margin: 0 0 14px;
}

.calculator dl div {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--line);
}

.calculator dl div:last-child {
  border-bottom: 0;
}

.calculator dt {
  color: var(--muted);
  font-weight: 700;
}

.calculator dd {
  margin: 0;
  color: var(--main);
  font-weight: 850;
  text-align: right;
}

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

.ad-wrap {
  width: min(1120px, calc(100% - 32px));
  min-height: 90px;
  margin: 24px auto;
  padding: 10px;
  background: #fbfcfb;
}

.article .ad-wrap {
  width: 100%;
  margin: 26px 0;
}

.ad-wrap > span {
  display: block;
  margin-bottom: 8px;
  color: var(--muted);
  font-size: 12px;
  text-align: center;
}

details {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 12px 14px;
  margin: 10px 0;
  background: #fff;
}

summary {
  cursor: pointer;
  font-weight: 760;
}

details p { margin: 10px 0 0; }

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

.editor-box {
  margin-top: 24px;
  background: #fffdf7;
}

.author-admin-box {
  margin-top: 18px;
  padding: 16px;
  border-left: 4px solid var(--sub);
}

.visitor-message { color: var(--muted); }

.prose {
  max-width: 820px;
}

.prose h1:first-child { margin-top: 0; }

.sitemap-list {
  padding-bottom: 48px;
}

.sitemap-list h2 { margin-top: 28px; }

.contact-form {
  display: grid;
  gap: 12px;
  padding: 18px;
  margin-top: 18px;
}

label {
  display: grid;
  gap: 6px;
  color: #26373b;
  font-size: 14px;
  font-weight: 760;
}

.checkbox-row {
  display: flex;
  align-items: center;
  gap: 8px;
}

.checkbox-row input { width: auto; }

input,
textarea,
select {
  width: 100%;
  border: 1px solid #cbd9d6;
  border-radius: var(--radius);
  padding: 10px 11px;
  background: #fff;
  color: var(--ink);
  font: inherit;
}

textarea {
  min-height: 130px;
  resize: vertical;
}

.site-footer {
  margin-top: 44px;
  padding: 36px 0 24px;
  border-top: 1px solid var(--line);
  background: #f8faf9;
}

.footer-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 24px;
  align-items: start;
}

.footer-grid nav {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  justify-content: end;
}

.copyright {
  width: min(1120px, calc(100% - 32px));
  margin: 22px auto 0;
}

body.admin-page .site-footer { margin-top: 0; }

.admin-shell[data-admin-app] {
  width: min(1180px, calc(100% - 32px));
  min-height: 680px;
  margin: 32px auto;
  display: grid;
  grid-template-columns: 250px minmax(0, 1fr);
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #f3f7f6;
}

.admin-shell.admin-login-view {
  display: block;
  min-height: auto;
  max-width: 520px;
  border: 0;
  background: transparent;
}

.login-card {
  padding: 24px;
  box-shadow: var(--shadow);
}

.admin-sidebar {
  padding: 20px;
  background: #152b2e;
  color: #fff;
}

.admin-sidebar strong {
  display: block;
  margin-bottom: 4px;
  font-size: 18px;
}

.admin-sidebar hr {
  border: 0;
  border-top: 1px solid rgba(255, 255, 255, 0.18);
  margin: 14px 0;
}

.admin-sidebar a,
.admin-sidebar button {
  display: block;
  width: 100%;
  margin: 3px 0;
  padding: 10px;
  border: 0;
  border-radius: 7px;
  background: transparent;
  color: #fff;
  text-align: left;
  font: inherit;
  cursor: pointer;
}

.admin-sidebar a:hover,
.admin-sidebar button:hover,
.admin-sidebar .active {
  background: rgba(255, 255, 255, 0.12);
  text-decoration: none;
}

.admin-main {
  padding: 26px;
  min-width: 0;
}

.admin-topbar {
  display: grid;
  gap: 8px;
  margin-bottom: 22px;
}

.admin-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

.admin-card strong {
  display: block;
  font-size: 30px;
}

.admin-card > span {
  display: block;
  margin-top: 4px;
  color: var(--muted);
  font-size: 13px;
}

.dashboard-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  margin: 18px 0 28px;
}

.dashboard-panel {
  padding: 18px;
}

.dashboard-panel h2,
.dashboard-panel h3 {
  margin-top: 0;
}

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

.metric-row,
.mini-table div,
.bar-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 14px;
  align-items: center;
  padding: 10px 0;
  border-bottom: 1px solid var(--line);
}

.metric-row:last-child,
.mini-table div:last-child,
.bar-row:last-child {
  border-bottom: 0;
}

.metric-row span,
.mini-table span,
.bar-row span,
.bar-row strong {
  min-width: 0;
}

.metric-row strong,
.mini-table strong,
.bar-row strong {
  color: var(--main);
  font-size: 18px;
}

.mini-table small {
  display: block;
  color: var(--muted);
  font-size: 12px;
}

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

.bar-row {
  grid-template-columns: 66px minmax(0, 1fr) 48px;
}

.bar-row div {
  height: 10px;
  overflow: hidden;
  border-radius: 999px;
  background: var(--soft-blue);
}

.bar-row i {
  display: block;
  height: 100%;
  min-width: 4px;
  border-radius: 999px;
  background: var(--main);
}

.status-badge {
  display: inline-flex;
  align-items: center;
  min-height: 22px;
  margin-right: 6px;
  padding: 0 8px;
  border-radius: 999px;
  background: var(--soft-blue);
  color: var(--main);
  font-size: 12px;
  font-weight: 850;
}

.status-badge.scheduled {
  background: #fff5d7;
  color: #7b5a0b;
}

.status-badge.draft {
  background: #f1f3f4;
  color: #59666b;
}

.empty-state {
  margin: 10px 0 0;
  padding: 14px;
  border: 1px dashed #c7d4d1;
  border-radius: var(--radius);
  background: #fbfdfc;
  color: var(--muted);
}

.compact-list {
  gap: 8px;
}

.event-log .mini-table,
.event-log {
  font-size: 14px;
}

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

.list-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 14px;
  align-items: center;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
}

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

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

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

.category-editor label:has(textarea),
.category-editor textarea {
  grid-column: 1 / -1;
}

.json-output {
  min-height: 420px;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 13px;
}

.preview-box {
  padding: 18px;
  background: #fff;
}

.toast {
  position: fixed;
  right: 18px;
  bottom: 18px;
  z-index: 40;
  max-width: min(420px, calc(100% - 36px));
  padding: 12px 14px;
  border-radius: var(--radius);
  background: #173d38;
  color: #fff;
  box-shadow: var(--shadow);
}

.toast.error {
  background: var(--danger);
}

@media (max-width: 980px) {
  .hero-grid,
  .two-column,
  .calculator,
  .dashboard-grid,
  .footer-grid,
  .admin-shell[data-admin-app] {
    grid-template-columns: 1fr;
  }

  .hero-grid { min-height: auto; }
  .category-grid,
  .card-grid,
  .trust-grid,
  .admin-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .footer-grid nav { justify-content: flex-start; }
}

@media (max-width: 720px) {
  .header-inner {
    align-items: flex-start;
    flex-direction: column;
    padding: 14px 0;
  }

  .main-nav { gap: 10px 14px; }
  .hero-grid { padding-top: 40px; }
  .category-grid,
  .card-grid,
  .trust-grid,
  .compact,
  .calculator form,
  .editor-grid,
  .category-editor {
    grid-template-columns: 1fr;
  }

  .category-row {
    grid-template-columns: 12px minmax(0, 1fr);
  }

  .category-row p,
  .category-row small {
    grid-column: 2;
  }

  .list-row {
    grid-template-columns: 1fr;
  }

  .admin-main { padding: 20px; }
}