/* ============================================================
   Shavian Crosswords — main.css
   Aesthetic: refined editorial, ink-and-paper
   ============================================================ */

/* Google Fonts: Noto Sans Shavian, Playfair Display, Source Sans 3 */

:root {
  --ink:        #1a1208;
  --ink-soft:   #4a3f2f;
  --ink-muted:  #8a7a6a;
  --paper:      #faf7f2;
  --paper-dark: #f0ebe0;
  --rule:       #d8cfc0;
  --accent:     #8b3a1e;
  --accent-lt:  #c45e38;
  --accent-bg:  #fdf1ec;
  --highlight:  #f5e6a0;
  --correct:    #c8e6c9;
  --wrong:      #ffcdd2;
  --revealed:   #bbdefb;

  --font-shavian: 'Noto Sans Shavian', serif;
  --font-display: 'Playfair Display', Georgia, serif;
  --font-body:    'Source Sans 3', system-ui, sans-serif;

  --radius:  4px;
  --shadow:  0 2px 12px rgba(26,18,8,0.10);
  --shadow-lg: 0 8px 32px rgba(26,18,8,0.16);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { font-size: 17px; }

body {
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  font-weight: 300;
  line-height: 1.6;
  min-height: 100vh;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ---- Site header ---- */
.site-header {
  background: var(--ink);
  color: var(--paper);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: var(--shadow);
}

.header-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
  height: 56px;
  display: flex;
  align-items: center;
  gap: 1rem;
}

.site-title {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
  flex: 1;
}

.shavian-title {
  font-family: var(--font-shavian);
  font-size: 1.4rem;
  color: var(--paper);
}

.subtitle {
  font-family: var(--font-display);
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-muted);
}

.puzzle-meta {
  flex: 1;
  display: flex;
  flex-direction: column;
  line-height: 1.2;
  overflow: hidden;
}

.puzzle-title {
  font-family: var(--font-display);
  font-size: 0.95rem;
  color: var(--paper);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.puzzle-byline {
  font-size: 0.72rem;
  color: rgba(255,255,255,0.55);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-shrink: 0;
}

.admin-link, .back-link {
  color: var(--rule);
  font-size: 0.85rem;
  letter-spacing: 0.04em;
  transition: color 0.15s;
}
.admin-link:hover, .back-link:hover { color: var(--paper); text-decoration: none; }

.admin-badge {
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  background: var(--accent);
  color: white;
  padding: 2px 8px;
  border-radius: 2px;
}

/* ---- Buttons ---- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.5rem 1.1rem;
  border: 1.5px solid transparent;
  border-radius: var(--radius);
  font-family: var(--font-body);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  cursor: pointer;
  transition: all 0.15s;
  white-space: nowrap;
}

.btn-primary {
  background: var(--accent);
  color: white;
  border-color: var(--accent);
}
.btn-primary:hover { background: var(--accent-lt); border-color: var(--accent-lt); }

.btn-ghost {
  background: transparent;
  color: var(--paper);
  border-color: rgba(255,255,255,0.25);
}
.btn-ghost:hover { border-color: var(--paper); }

.btn-check {
  background: var(--paper-dark);
  color: var(--ink);
  border-color: var(--rule);
}
.btn-check:hover { background: var(--highlight); border-color: #c8b840; }

.btn-reveal {
  background: var(--paper-dark);
  color: var(--ink);
  border-color: var(--rule);
}
.btn-reveal:hover { background: var(--revealed); border-color: #7cb4d8; }

.btn-clear {
  background: transparent;
  color: var(--ink-muted);
  border-color: var(--rule);
}
.btn-clear:hover { color: var(--accent); border-color: var(--accent); }

.link-btn {
  background: none;
  border: none;
  color: var(--accent);
  cursor: pointer;
  font-family: inherit;
  font-size: inherit;
  padding: 0;
  text-decoration: underline;
}

/* ---- Section labels ---- */
.section-label {
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 400;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-muted);
  margin-bottom: 1.2rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--rule);
}

/* ---- Footer ---- */
.site-footer {
  text-align: center;
  padding: 2rem 1.5rem;
  font-size: 0.8rem;
  color: var(--ink-muted);
  border-top: 1px solid var(--rule);
  margin-top: 4rem;
}

/* ---- Skeleton loading ---- */
.skeleton-line {
  background: linear-gradient(90deg, var(--rule) 25%, var(--paper-dark) 50%, var(--rule) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.4s infinite;
  border-radius: var(--radius);
  height: 1em;
  margin-bottom: 0.6em;
}
.skeleton-line.wide  { width: 70%; }
.skeleton-line.narrow { width: 40%; }

@keyframes shimmer {
  0%   { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* ---- Home page ---- */
.home-main {
  max-width: 900px;
  margin: 0 auto;
  padding: 3rem 1.5rem;
}

.featured-card {
  background: white;
  border: 1px solid var(--rule);
  border-left: 4px solid var(--accent);
  border-radius: var(--radius);
  padding: 1.8rem 2rem;
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  cursor: pointer;
  transition: box-shadow 0.2s, transform 0.2s;
  text-decoration: none;
  color: inherit;
}
.featured-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-2px); text-decoration: none; }

.featured-card .puzzle-name {
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--ink);
}

.featured-card .puzzle-info {
  font-size: 0.85rem;
  color: var(--ink-muted);
  display: flex;
  gap: 1.2rem;
  flex-wrap: wrap;
}

.archive-section { margin-top: 3rem; }

.puzzle-list {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.puzzle-row {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0.9rem 1rem;
  border-bottom: 1px solid var(--rule);
  cursor: pointer;
  transition: background 0.12s;
  text-decoration: none;
  color: inherit;
}
.puzzle-row:hover { background: var(--paper-dark); text-decoration: none; }
.puzzle-row:first-child { border-top: 1px solid var(--rule); }

.puzzle-row .row-title {
  flex: 1;
  font-weight: 600;
  color: var(--ink);
}
.puzzle-row .row-meta {
  font-size: 0.8rem;
  color: var(--ink-muted);
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.solved-badge {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  background: var(--correct);
  color: #2e7d32;
  padding: 2px 7px;
  border-radius: 20px;
}

/* ---- Responsive ---- */
@media (max-width: 600px) {
  .home-main { padding: 1.5rem 1rem; }
  .featured-card { padding: 1.2rem 1.2rem; }
  .featured-card .puzzle-name { font-size: 1.25rem; }
}