:root {
  --bg: #ffffff;
  --paper: #fffaf3;
  --ink: #1f1b18;
  --muted: #5f5a54;
  --border: #e2d3c1;
  --orange: #f26b2f;
  --orange-soft: #fff0e6;
  --shadow: 0 8px 20px rgba(62, 41, 20, 0.06);
  --dark: #1f1b18;
  --dark-soft: #2a2420;

  --sn-bg: var(--bg);
  --sn-paper: var(--paper);
  --sn-ink: var(--ink);
  --sn-muted: var(--muted);
  --sn-border: var(--border);
  --sn-orange: var(--orange);
  --sn-orange-soft: var(--orange-soft);
  --sn-shadow: var(--shadow);
}

/* =========================================================
   01. Base
   ========================================================= */

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.6;
}

h1,
h2,
h3 {
  margin: 0;
  color: var(--ink);
  font-family: Georgia, "Times New Roman", serif;
  line-height: 1.15;
}

a {
  color: inherit;
  text-decoration: none;
}

main {
  max-width: 1180px;
  margin: 0 auto;
  padding: 54px 24px 80px;
}

/* Shared single content */
.sn-single-page {
  max-width: 900px;
  margin: 0 auto;
  padding: 48px 24px 80px;
}

.sn-breadcrumb {
  margin-bottom: 10px;
  color: var(--sn-muted);
  font-size: 12px;
  letter-spacing: 0.01em;
}

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

.sn-pill {
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  padding: 5px 9px;
  background: #fff6ef;
  color: var(--sn-orange);
  font-size: 10px;
  font-weight: 800;
  text-transform: uppercase;
}

.sn-post-title {
  max-width: 900px;
  margin-bottom: 22px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--sn-border);
  color: var(--sn-ink);
  font-size: clamp(34px, 4.2vw, 46px);
  line-height: 1.05;
  letter-spacing: -0.03em;
  overflow-wrap: anywhere;
}

.sn-post-content {
  max-width: 760px;
  color: var(--sn-ink);
  font-size: 16px;
  line-height: 1.62;
}

.sn-post-content > * + * {
  margin-top: 16px;
}

.sn-post-content section {
  margin: 0 0 34px;
}

.sn-post-content section + section {
  padding-top: 28px;
  border-top: 1px solid var(--sn-border);
}

.sn-post-content h1,
.sn-post-content h2,
.sn-post-content h3 {
  color: var(--sn-ink);
  letter-spacing: -0.01em;
}

.sn-post-content h1 {
  margin: 34px 0 14px;
  font-size: 28px;
  line-height: 1.18;
}

.sn-post-content h2 {
  margin: 32px 0 12px;
  padding-top: 22px;
  border-top: 1px solid var(--sn-border);
  font-size: 23px;
  line-height: 1.2;
}

.sn-post-content h3 {
  margin: 24px 0 10px;
  font-family: Inter, system-ui, sans-serif;
  font-size: 18px;
  line-height: 1.25;
}

.sn-post-content p {
  max-width: 70ch;
  margin: 0 0 14px;
}

.sn-post-content ul,
.sn-post-content ol {
  margin: 0 0 20px;
  padding-left: 24px;
}

.sn-post-content li {
  margin-bottom: 7px;
}

.sn-post-content figure {
  max-width: 100%;
  margin: 20px 0 28px;
  overflow-x: auto;
}

.sn-post-content table {
  width: 100%;
  margin: 0;
  border: 1px solid var(--sn-border);
  border-collapse: collapse;
  background: #ffffff;
  font-size: 0.95rem;
  line-height: 1.45;
}

.sn-post-content th,
.sn-post-content td {
  padding: 9px 12px;
  border: 1px solid var(--sn-border);
  text-align: left;
  vertical-align: top;
}

.sn-post-content th {
  background: #fffaf3;
  color: var(--sn-ink);
  font-size: 0.78rem;
  font-weight: 800;
  text-transform: uppercase;
}

.sn-post-content details {
  margin: 0 0 12px;
  padding: 10px 12px;
  border: 1px solid var(--sn-border);
  border-radius: 10px;
  background: #ffffff;
}

.sn-post-content summary {
  color: var(--sn-ink);
  cursor: pointer;
  font-weight: 750;
}

.sn-post-content details[open] summary {
  margin-bottom: 8px;
  color: var(--sn-orange);
}

.sn-post-content details p:last-child {
  margin-bottom: 0;
}

.sn-post-content hr {
  margin: 32px 0;
  border: 0;
  border-top: 1px solid var(--sn-border);
}

.sn-post-content .exercise-block {
  display: grid;
  gap: 10px;
  margin: 18px 0 28px;
}

.sn-post-content .sn-exercise-item {
  margin-bottom: 0;
}

.sn-intro,
.translation,
.sn-translation {
  color: var(--sn-muted);
}

.sn-conversations-page.sn-single-page {
  max-width: 900px;
}

.sn-conversations-page .sn-post-title {
  max-width: 900px;
  margin-bottom: 22px;
  font-size: clamp(30px, 4vw, 44px);
  line-height: 1.08;
  overflow-wrap: anywhere;
}

.sn-conversations-page .sn-post-content {
  max-width: 760px;
}

.sn-conversations-page .sn-post-content h2 {
  margin-top: 0;
  font-size: 25px;
}

.sn-conversations-page .sn-post-content h3 {
  font-size: 18px;
}

.sn-conversations-page .sn-post-content .dialogue {
  display: grid;
  gap: 10px;
  margin: 20px 0 26px;
}

.sn-conversations-page .sn-post-content .dialogue p {
  max-width: 72ch;
  margin: 0;
  line-height: 1.7;
}

.sn-conversations-page .sn-post-content .dialogue p strong:first-child {
  color: var(--sn-ink);
  font-weight: 900;
}

.sn-conversations-page .sn-post-content .dialogue p em {
  color: var(--sn-muted);
}

.explore-panel h1 {
  margin-bottom: 8px;
}

.explore-intro {
  margin: 0 0 18px;
  color: var(--muted);
  font-size: 15px;
}

.explore-filters {
  display: grid;
  gap: 16px;
  margin-bottom: 22px;
}

.explore-filter-title {
  margin-bottom: 10px;
  font-family: Inter, system-ui, sans-serif;
  font-size: 13px;
  font-weight: 900;
  text-transform: uppercase;
}

.explore-filter-options {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.explore-pill {
  display: inline-flex;
  align-items: center;
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 7px 11px;
  background: #ffffff;
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
}

.explore-pill:hover,
.explore-pill:focus-visible,
.explore-pill.is-active {
  border-color: var(--orange);
  background: var(--orange-soft);
  color: var(--orange);
}

.explore-result-count {
  margin: 0 0 10px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 500;
}

.explore-group-title {
  margin: 18px 0 10px;
  font-family: Inter, system-ui, sans-serif;
  font-size: 15px;
  font-weight: 750;
}

.explore-result-count + .explore-group-title {
  margin-top: 0;
}

@media (max-width: 900px) {
  main {
    padding: 34px 18px 64px;
  }

  .sn-single-page {
    padding: 32px 18px 64px;
  }
}