body {
  background-color: var(--paper);
}

/* ── Page shell ────────────────────────────────────────── */
.hsk-page {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 1.5rem 1rem 3rem;
}

/* ── Header ────────────────────────────────────────────── */
.hsk-header {
  text-align: center;
  padding: 1.75rem 0 1.5rem;
}

.hsk-badge {
  display: inline-block;
  background: var(--orange);
  color: white;
  font-family: 'DM Sans', sans-serif;
  font-weight: 700;
  font-size: 0.85rem;
  letter-spacing: 0.1em;
  padding: 0.35rem 1rem;
  border-radius: var(--radius-md);
  margin-bottom: 1rem;
}

.hsk-header h1 {
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-weight: 800;
  font-size: clamp(1.75rem, 5vw, 3rem);
  color: var(--ink);
  margin-bottom: 0.5rem;
}

.hsk-header .subtitle {
  color: var(--muted);
  font-size: 1rem;
  margin-bottom: 1.5rem;
}

/* ── Stats row ─────────────────────────────────────────── */
.hsk-stats {
  display: flex;
  gap: 1.5rem;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 1.5rem;
}

.hsk-stat-num {
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-weight: 800;
  font-size: 2rem;
  color: var(--orange);
  line-height: 1;
}

.hsk-stat-label {
  font-size: 0.8rem;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-top: 0.25rem;
}

/* ── Level nav ─────────────────────────────────────────── */
.hsk-level-nav {
  display: flex;
  gap: 0.5rem;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 2rem;
}

.hsk-nav-link {
  display: inline-block;
  padding: 0.4rem 0.85rem;
  border-radius: var(--radius-md);
  border: 2px solid transparent;
  font-family: 'DM Sans', sans-serif;
  font-weight: 600;
  font-size: 0.9rem;
  text-decoration: none;
  color: var(--muted);
  transition: color 0.2s, border-color 0.2s, background 0.2s;
}

.hsk-nav-link:hover,
.hsk-nav-link.active {
  color: var(--orange);
  border-color: var(--orange);
  background: rgba(249, 115, 22, 0.05);
}

/* ── Search ────────────────────────────────────────────── */
.word-search {
  position: relative;
  max-width: 480px;
  margin: 0 auto 0.75rem;
}

.word-search input {
  width: 100%;
  padding: 0.75rem 1rem 0.75rem 2.75rem;
  border: 2px solid rgba(249, 115, 22, 0.2);
  border-radius: var(--radius-lg);
  background: var(--white);
  font-size: 1rem;
  color: var(--ink);
  outline: none;
  transition: border-color 0.2s;
}

.word-search input:focus {
  border-color: var(--orange);
}

.word-search::before {
  content: '🔍';
  position: absolute;
  left: 0.85rem;
  top: 50%;
  transform: translateY(-50%);
  font-size: 0.9rem;
  pointer-events: none;
}

.result-count {
  text-align: center;
  font-size: 0.85rem;
  color: var(--muted);
  margin-bottom: 1.25rem;
}

/* ── Word table ────────────────────────────────────────── */
.word-table-wrap {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}

.word-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--white);
}

.word-table th {
  background: var(--ink);
  color: var(--white);
  font-family: 'DM Sans', sans-serif;
  font-weight: 700;
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.5rem 0.65rem;
  text-align: left;
}

.word-table td {
  padding: 0.45rem 0.65rem;
  border-bottom: 1px solid rgba(0, 0, 0, 0.05);
  vertical-align: middle;
}

.word-table tr:last-child td {
  border-bottom: none;
}

.word-table tbody tr:hover td {
  background: rgba(249, 115, 22, 0.03);
}

.word-row[data-href] {
  cursor: pointer;
}

.word-table .col-num {
  display: none;
}

.word-table .col-zh {
  font-size: 1.25rem;
  color: var(--ink);
  white-space: nowrap;
}

.word-table .col-py {
  font-family: 'DM Mono', monospace;
  font-size: 0.85rem;
  color: var(--orange);
  white-space: nowrap;
}

.word-table .col-en {
  color: var(--muted);
  font-size: 0.88rem;
}

.word-row.hidden-row {
  display: none;
}

.no-results {
  text-align: center;
  padding: 3rem;
  color: var(--muted);
  background: var(--white);
  display: none;
  border-top: 1px solid rgba(0, 0, 0, 0.05);
}

/* ── CTA ───────────────────────────────────────────────── */
.hsk-cta-section {
  text-align: center;
  margin-top: 2.5rem;
  padding: 1.75rem 1rem;
  background: var(--light);
  border-radius: var(--radius-xl);
  border: 1px solid rgba(249, 115, 22, 0.15);
}

.hsk-cta-section h2 {
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-weight: 700;
  font-size: 1.5rem;
  color: var(--ink);
  margin-bottom: 0.5rem;
}

.hsk-cta-section p {
  color: var(--muted);
  margin-bottom: 1.5rem;
}

.btn-primary {
  display: inline-block;
  background: var(--orange);
  color: var(--white);
  padding: 0.85rem 2.25rem;
  border-radius: 30px;
  font-family: 'DM Sans', sans-serif;
  font-weight: 700;
  font-size: 1rem;
  letter-spacing: 0.04em;
  text-decoration: none;
  transition: background 0.15s;
}

.btn-primary:hover {
  background: var(--orange-dark);
}

/* ── Index page level grid ─────────────────────────────── */
.level-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 0.75rem;
  margin: 1.5rem 0 2.5rem;
}

.level-card {
  display: block;
  padding: 1.5rem 1.25rem;
  background: var(--white);
  border-radius: var(--radius-lg);
  border: 2px solid transparent;
  text-decoration: none;
  box-shadow: var(--shadow-sm);
  transition: border-color 0.2s, box-shadow 0.2s, transform 0.15s;
}

.level-card:hover {
  border-color: var(--orange);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.level-card .level-badge {
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-weight: 800;
  font-size: 1.4rem;
  color: var(--orange);
  margin-bottom: 0.25rem;
}

.level-card .level-cefr {
  font-family: 'DM Mono', monospace;
  font-size: 0.8rem;
  color: var(--muted);
  margin-bottom: 0.5rem;
}

.level-card .level-desc {
  font-size: 0.95rem;
  color: var(--ink);
  font-weight: 500;
  margin-bottom: 0.5rem;
}

.level-card .level-count {
  font-size: 0.8rem;
  color: var(--muted);
}

/* ── Level color system ────────────────────────────────── */
.level-color-1   { --level-color: #16a34a; }
.level-color-2   { --level-color: #65a30d; }
.level-color-3   { --level-color: #ca8a04; }
.level-color-4   { --level-color: #ea580c; }
.level-color-5   { --level-color: #dc2626; }
.level-color-6   { --level-color: #9333ea; }
.level-color-7-9 { --level-color: #4f46e5; }

/* ── Spotlight cards ───────────────────────────────────── */
.spotlight-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: 0.75rem;
  margin: 0 0 2rem;
}

.spotlight-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 1rem 0.75rem;
  text-align: center;
  box-shadow: var(--shadow-sm);
  border-top: 3px solid var(--level-color, var(--orange));
  transition: transform 0.15s, box-shadow 0.15s;
  text-decoration: none;
  color: inherit;
}

.spotlight-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.spotlight-zh {
  font-size: 1.75rem;
  color: var(--ink);
  line-height: 1.2;
  margin-bottom: 0.35rem;
}

.spotlight-py {
  font-family: 'DM Mono', monospace;
  font-size: 0.85rem;
  color: var(--level-color, var(--orange));
  margin-bottom: 0.25rem;
}

.spotlight-en {
  font-size: 0.8rem;
  color: var(--muted);
  line-height: 1.3;
}

/* ── Enhanced level cards (hub page) ───────────────────── */
.level-card[class*="level-color-"] {
  padding: 0;
}

.level-accent-bar {
  height: 4px;
  background: var(--level-color, var(--orange));
  border-radius: 2px 2px 0 0;
}

.level-card-body {
  padding: 0 1.25rem 1.25rem;
  padding-top: 1rem;
}

.level-cefr-pill {
  display: inline-block;
  background: rgba(0, 0, 0, 0.05);
  border-radius: 99px;
  font-family: 'DM Mono', monospace;
  font-size: 0.75rem;
  padding: 0.15rem 0.6rem;
  color: var(--level-color, var(--muted));
  margin-bottom: 0.5rem;
}

.level-progress-wrap {
  height: 4px;
  background: rgba(0, 0, 0, 0.06);
  border-radius: 2px;
  margin-top: 0.75rem;
  overflow: hidden;
}

.level-progress-bar {
  height: 100%;
  background: var(--level-color, var(--orange));
  border-radius: 2px;
}

/* ── Hub intro ─────────────────────────────────────────── */
.hub-stats {
  margin-bottom: 0.75rem;
}

.hsk-intro {
  max-width: 680px;
  margin: 0 auto 2rem;
  text-align: center;
}

.hsk-intro-title {
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-weight: 700;
  font-size: 1.35rem;
  color: var(--ink);
  margin-bottom: 0.75rem;
}

.hsk-intro p {
  color: var(--muted);
  font-size: 0.95rem;
  line-height: 1.7;
}

/* ── FAQ section ───────────────────────────────────────── */
.hsk-faq {
  margin-top: 2.5rem;
  padding-top: 2rem;
  border-top: 1px solid rgba(0, 0, 0, 0.07);
}

.hsk-faq-title {
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-weight: 700;
  font-size: 1.35rem;
  color: var(--ink);
  margin-bottom: 1.25rem;
}

.hsk-faq-list {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.hsk-faq-item {
  background: var(--white);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
}

.hsk-faq-item summary.hsk-faq-q {
  list-style: none;
  padding: 1rem 1.25rem;
  font-weight: 500;
  color: var(--ink);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
}

.hsk-faq-item summary.hsk-faq-q::after {
  content: '+';
  font-family: 'DM Sans', sans-serif;
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--level-color, var(--orange));
  flex-shrink: 0;
  transition: transform 0.2s;
}

.hsk-faq-item[open] summary.hsk-faq-q::after {
  transform: rotate(45deg);
}

.hsk-faq-item summary.hsk-faq-q::-webkit-details-marker {
  display: none;
}

.hsk-faq-item .hsk-faq-a {
  padding: 0 1.25rem 1rem;
  color: var(--muted);
  font-size: 0.95rem;
  line-height: 1.65;
  border-top: 1px solid rgba(0, 0, 0, 0.05);
}

/* ── CTA app store links ───────────────────────────────── */
.hsk-cta-section app-store-links {
  display: block;
  max-width: 340px;
  margin: 0 auto;
}

/* ── Word detail pages ─────────────────────────────────── */
.word-breadcrumb {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.82rem;
  color: var(--muted);
  flex-wrap: wrap;
  margin-bottom: 2rem;
}

.word-breadcrumb a {
  color: var(--muted);
  text-decoration: none;
}

.word-breadcrumb a:hover {
  color: var(--orange);
}

.word-hero {
  text-align: center;
  padding: 1.25rem 0 2rem;
  border-bottom: 1px solid rgba(0, 0, 0, 0.07);
  margin-bottom: 2rem;
}

.word-char {
  font-size: clamp(4rem, 12vw, 7rem);
  color: var(--ink);
  line-height: 1;
  margin-bottom: 0.5rem;
  font-weight: 400;
}

.word-pinyin {
  font-family: 'DM Mono', monospace;
  font-size: clamp(1.1rem, 3vw, 1.5rem);
  color: var(--level-color, var(--orange));
  margin-bottom: 1rem;
}

.word-badges {
  display: flex;
  gap: 0.5rem;
  justify-content: center;
  flex-wrap: wrap;
}

.word-badges .hsk-badge {
  text-decoration: none;
}

.word-badges .hsk-badge:hover {
  opacity: 0.85;
}

.word-body {
  max-width: 680px;
  margin: 0 auto;
}

.word-section {
  margin-bottom: 2rem;
}

.word-section-title {
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-weight: 700;
  font-size: 1.2rem;
  color: var(--ink);
  margin-bottom: 1rem;
  padding-bottom: 0.4rem;
  border-bottom: 2px solid var(--level-color, var(--orange));
  display: inline-block;
}

.meanings-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  counter-reset: meanings;
}

.meaning-item {
  background: var(--white);
  border-radius: var(--radius-md);
  padding: 0.75rem 1rem;
  color: var(--ink);
  font-size: 0.95rem;
  line-height: 1.5;
  box-shadow: var(--shadow-sm);
  border-left: 3px solid var(--level-color, var(--orange));
  counter-increment: meanings;
}

.example-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 1.1rem 1rem;
  box-shadow: var(--shadow-sm);
  border-top: 3px solid var(--level-color, var(--orange));
}

.ex-chinese {
  font-size: 1.3rem;
  color: var(--ink);
  margin-bottom: 0.4rem;
  line-height: 1.4;
}

.ex-pinyin {
  font-family: 'DM Mono', monospace;
  font-size: 0.9rem;
  color: var(--level-color, var(--orange));
  margin-bottom: 0.5rem;
}

.ex-english {
  font-size: 0.9rem;
  color: var(--muted);
  font-style: italic;
}

.word-facts {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(130px, 1fr));
  gap: 0.75rem;
}

.word-fact {
  background: var(--white);
  border-radius: var(--radius-md);
  padding: 0.85rem 1rem;
  box-shadow: var(--shadow-sm);
}

.fact-label {
  display: block;
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--muted);
  margin-bottom: 0.3rem;
}

.fact-value {
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--ink);
}

.fact-value a {
  color: var(--orange);
  text-decoration: none;
}

.fact-value a:hover {
  text-decoration: underline;
}

.word-back {
  margin-top: 2rem;
  margin-bottom: 1rem;
}

.btn-back {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  color: var(--muted);
  font-size: 0.9rem;
  text-decoration: none;
  padding: 0.5rem 0;
  transition: color 0.15s;
}

.btn-back:hover {
  color: var(--orange);
}

/* ── Download bar ──────────────────────────────────────── */
.download-bar {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: 1.25rem;
  flex-wrap: wrap;
}

.download-label {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-right: 0.1rem;
}

.download-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  background: transparent;
  border: 1.5px solid rgba(249, 115, 22, 0.4);
  color: var(--orange);
  font-family: 'DM Sans', sans-serif;
  font-size: 0.8rem;
  font-weight: 600;
  padding: 0.35rem 0.85rem;
  border-radius: 20px;
  cursor: pointer;
  transition: background 0.15s, color 0.15s, border-color 0.15s;
  line-height: 1;
}

.download-btn:hover {
  background: var(--orange);
  color: #fff;
  border-color: var(--orange);
}

/* ── Desktop enhancements ──────────────────────────────── */
@media (min-width: 640px) {
  .hsk-page {
    padding: 2rem 1.25rem 5rem;
  }

  .hsk-header {
    padding: 3rem 0 2rem;
  }

  .hsk-header .subtitle {
    font-size: 1.1rem;
  }

  .hsk-stats {
    gap: 2.5rem;
    margin-bottom: 2rem;
  }

  .hsk-level-nav {
    margin-bottom: 2.5rem;
  }

  .word-table th {
    font-size: 0.8rem;
    padding: 0.75rem 1rem;
  }

  .word-table td {
    padding: 0.6rem 1rem;
  }

  .word-table .col-num {
    display: table-cell;
    color: var(--muted);
    font-size: 0.8rem;
    width: 3rem;
    text-align: right;
    padding-right: 0.5rem;
  }

  .word-table .col-zh {
    font-size: 1.5rem;
  }

  .word-table .col-py {
    font-size: 0.95rem;
  }

  .word-table .col-en {
    font-size: 0.9rem;
  }

  .hsk-cta-section {
    margin-top: 3rem;
    padding: 2.5rem 1.5rem;
  }

  .hsk-cta-section h2 {
    font-size: 1.75rem;
  }

  .level-grid {
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 1rem;
    margin: 2rem 0 3rem;
  }

  .spotlight-grid {
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: 1rem;
    margin: 0 0 2.5rem;
  }

  .spotlight-card {
    padding: 1.25rem 1rem;
  }

  .spotlight-zh {
    font-size: 2rem;
  }

  .hsk-intro {
    margin-bottom: 2.5rem;
  }

  .hsk-intro-title {
    font-size: 1.5rem;
  }

  .hsk-faq {
    margin-top: 3rem;
    padding-top: 2.5rem;
  }

  .hsk-faq-title {
    font-size: 1.5rem;
  }

  .word-breadcrumb {
    margin-bottom: 2.5rem;
  }

  .word-hero {
    padding: 1.5rem 0 2.5rem;
    margin-bottom: 2.5rem;
  }

  .word-section {
    margin-bottom: 2.5rem;
  }

  .example-card {
    padding: 1.5rem;
  }

  .ex-chinese {
    font-size: 1.4rem;
  }
}

/* ── Print brand (hidden on screen, shown on every printed page) */
#print-brand {
  display: none;
}

/* ── Print styles ──────────────────────────────────────── */
@media print {
  header,
  nav-bar,
  mandobridge-footer,
  download-bar,
  .hsk-level-nav,
  .word-search,
  .result-count,
  .spotlight-grid,
  .hsk-cta-section,
  .word-breadcrumb,
  .rad-filter-wrap {
    display: none !important;
  }

  body {
    background: white;
    /* room for fixed header + footer */
    margin-top: 3.2rem !important;
    margin-bottom: 2rem !important;
  }

  .hsk-page {
    padding: 0.5rem 0;
    max-width: 100%;
  }

  .hsk-header {
    margin-bottom: 1.5rem;
  }

  .word-table-wrap,
  .radicals-table-wrap,
  .pinyin-combo-wrap {
    box-shadow: none;
    overflow: visible;
  }

  .word-table,
  .radicals-table,
  .pinyin-combo-table {
    font-size: 0.75rem;
  }

  .combo-initial {
    position: static;
  }

  /* restore col-num for print */
  .word-table .col-num {
    display: table-cell;
  }

  /* ── Print brand header ── */
  #print-brand {
    display: block;
  }

  .print-brand-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    display: flex;
    align-items: center;
    gap: 0.6rem;
    padding: 0.35rem 1.25rem 0.75rem;
    background: white;
    border-bottom: 1.5px solid #e5e7eb;
    z-index: 9999;
  }

  .print-brand-logo {
    height: 22px;
    width: auto;
    flex-shrink: 0;
  }

  .print-brand-name {
    font-family: 'DM Sans', sans-serif;
    font-weight: 700;
    font-size: 0.85rem;
    color: #00102d;
    letter-spacing: 0.04em;
    flex-shrink: 0;
  }

  .print-brand-title {
    font-size: 0.72rem;
    color: #6b6460;
    margin-left: 0.25rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }

  .print-brand-footer {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.3rem 1.25rem;
    background: white;
    border-top: 1px solid #e5e7eb;
    font-size: 0.68rem;
    color: #6b6460;
    z-index: 9999;
  }

  .print-brand-url {
    font-weight: 600;
    color: #f97316;
  }
}