:root{
  --paper: #faf8f3;
  --paper-raised: #fffefb;
  --ink: #211d19;
  --ink-soft: #6b6259;
  --ink-faint: #a89f93;
  --brass: #a17c3e;
  --brass-dim: #c9ad78;
  --oxblood: #7a3b32;
  --line: #ded5c4;
  --font-serif: Georgia, 'Iowan Old Style', 'Palatino Linotype', 'Book Antiqua', serif;
  --font-mono: 'Courier New', ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  --radius: 3px;
}

*{ box-sizing: border-box; }

html{ scroll-behavior: smooth; }

body{
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-serif);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

body::before{
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    radial-gradient(circle at 20% 30%, rgba(161,124,62,0.035), transparent 40%),
    radial-gradient(circle at 80% 70%, rgba(122,59,50,0.03), transparent 45%);
  z-index: 0;
}

a{ color: var(--oxblood); text-decoration: none; }
a:hover{ text-decoration: underline; }
a:focus-visible, button:focus-visible, input:focus-visible{
  outline: 2px solid var(--brass);
  outline-offset: 2px;
}

.wrap{
  position: relative;
  z-index: 1;
  max-width: 760px;
  margin: 0 auto;
  padding: 48px 24px 80px;
}

/* ---------- Header / masthead ---------- */

.masthead{
  text-align: center;
  margin-bottom: 40px;
}

.masthead .eyebrow{
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--ink-faint);
}

.masthead h1{
  font-size: clamp(28px, 5vw, 40px);
  margin: 8px 0 6px;
  font-weight: 400;
  letter-spacing: 0.5px;
}

.masthead .subtitle{
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--ink-soft);
  letter-spacing: 0.5px;
}

.rule{
  width: 64px;
  height: 1px;
  background: var(--brass);
  margin: 22px auto;
  border: none;
}

/* ---------- Search ---------- */

.search-bar{
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--paper-raised);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 10px 14px;
  margin-bottom: 28px;
}

.search-bar input{
  flex: 1;
  border: none;
  background: transparent;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--ink);
  outline: none;
}
.search-bar input::placeholder{ color: var(--ink-faint); }

.search-bar .count{
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--ink-faint);
  white-space: nowrap;
}

/* ---------- Number grid (coverage overview) ---------- */

.grid-section{
  margin-bottom: 32px;
}

.grid-heading{
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--ink-faint);
  margin-bottom: 10px;
}

.grid-progress{
  text-transform: none;
  letter-spacing: 0;
  color: var(--brass);
}

.number-grid{
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  padding: 14px;
  background: var(--paper-raised);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.number-tile{
  width: 30px;
  height: 22px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-size: 10px;
  border-radius: var(--radius);
}

.number-tile.filled{
  background: var(--brass);
  color: var(--paper-raised);
  font-weight: bold;
}
.number-tile.filled:hover{
  background: var(--oxblood);
  text-decoration: none;
}

.number-tile.empty{
  color: var(--ink-faint);
  border: 1px dashed var(--line);
}

/* ---------- Catalog list ---------- */

.catalog{
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.card{
  display: block;
  background: var(--paper-raised);
  border: 1px solid var(--line);
  border-left: 3px solid var(--brass);
  border-radius: var(--radius);
  padding: 16px 20px;
  transition: border-color 0.15s ease, transform 0.15s ease;
}

.card:hover{
  border-left-color: var(--oxblood);
  transform: translateX(2px);
  text-decoration: none;
}

.card .meta{
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--ink-faint);
  letter-spacing: 0.5px;
  margin-bottom: 6px;
}

.card .meta .num{ color: var(--brass); font-weight: bold; }

.card h2{
  font-size: 19px;
  font-weight: 400;
  margin: 0 0 6px;
  color: var(--ink);
}

.card p{
  margin: 0;
  font-size: 14px;
  color: var(--ink-soft);
  overflow: hidden;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
}

.empty-state{
  text-align: center;
  padding: 60px 20px;
  color: var(--ink-faint);
  font-family: var(--font-mono);
  font-size: 13px;
}

/* ---------- Reader page ---------- */

.back-link{
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--ink-soft);
  margin-bottom: 30px;
}

.reader-meta{
  text-align: center;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--ink-faint);
  margin-bottom: 4px;
}

.reader-date{
  text-align: center;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--ink-soft);
  margin-bottom: 20px;
}

.reader-title{
  text-align: center;
  font-size: clamp(24px, 4vw, 32px);
  font-weight: 400;
  margin: 0 0 28px;
}

.reader-body p{
  font-size: 17px;
  text-align: justify;
  margin: 0 0 18px;
}

.reader-body p:last-of-type{
  font-style: italic;
}

.reader-notes{
  margin-top: 36px;
  padding: 14px 16px;
  background: var(--paper-raised);
  border: 1px dashed var(--line);
  border-radius: var(--radius);
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--ink-soft);
}

.reader-footer{
  text-align: center;
  margin-top: 44px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--ink-faint);
}

@media (max-width: 520px){
  .wrap{ padding: 32px 16px 60px; }
  .card{ padding: 14px 16px; }
}