:root {
  --bg0:    #282c34;
  --bg1:    #31353f;
  --bg2:    #393f4a;
  --bg_d:   #21252b;
  --fg:     #abb2bf;
  --fg-dim: #5c6370;
  --green:  #98c379;
  --blue:   #61afef;
  --cyan:   #56b6c2;
  --purple: #c678dd;
  --orange: #d19a66;
  --yellow: #e5c07b;
  --red:    #e86671;
  --mono:   'JetBrains Mono', ui-monospace, Menlo, monospace;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
[hidden] { display: none !important; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--mono);
  font-size: 0.92rem;
  background: var(--bg0);
  color: var(--fg);
  line-height: 1.65;
  padding: 32px 20px 80px;
  max-width: 760px;
  margin: 0 auto;
  text-transform: lowercase;
  overflow-x: hidden;
}

/* ── header ── */
.bbs-header {
    margin-bottom: 36px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--bg2);
  }
  
  .bbs-logo-link {
    text-decoration: none;
    color: inherit;
    display: block;
  }
  
  .bbs-logo-link:hover .bbs-ascii {
    color: var(--cyan);
    transition: color 0.15s ease;
  }
  
  .bbs-ascii {
    font-family: var(--mono);
    font-size: clamp(6px, 1.6vw, 11px);
    line-height: 1.18;
    white-space: pre;
    overflow-x: auto;
    max-width: 100%;
    color: var(--green);
    margin: 0 0 16px;
    letter-spacing: 0;
    display: block;
    text-shadow: 0 0 12px rgba(152,195,121,.35);
    scrollbar-width: none;
  }
  
  .bbs-ascii::-webkit-scrollbar { display: none; }
  
  .bbs-logo-text {
    display: none;
    font-family: var(--mono);
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--green);
    text-shadow: 0 0 12px rgba(152,195,121,.35);
    letter-spacing: .04em;
    margin: 0 0 16px;
    border-left: 2px solid var(--green);
    padding-left: 12px;
  }
  
  .bbs-status {
    display: flex;
    align-items: center;
    gap: 8px;
    margin: 0 0 20px;
    font-size: .82rem;
    overflow: hidden;
    max-width: 100%;
  }
  
  .bbs-status-label { color: var(--fg-dim); white-space: nowrap; flex-shrink: 0; }
  .bbs-robot-face   { color: var(--green);  white-space: nowrap; flex-shrink: 0; }
  
  .bbs-robot-bubble {
    color: color-mix(in oklab, var(--yellow) 55%, var(--bg0));
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    min-width: 0;
    flex: 1;
  }
  
  .bbs-robot-bubble::before { content: '< '; color: color-mix(in oklab, var(--red) 55%, var(--bg0)); }
  .bbs-robot-bubble::after  { content: ' )'; color: color-mix(in oklab, var(--red) 55%, var(--bg0)); }
  
  nav.bbs-nav {
    display: flex;
    flex-wrap: wrap;
    gap: 0;
    align-items: center;
  }
  
  nav.bbs-nav a {
    font-size: .8rem;
    color: var(--fg-dim);
    text-decoration: none;
    letter-spacing: .04em;
    padding: 3px 0;
    transition: color .15s ease;
  }
  
  nav.bbs-nav a::after {
    content: ' /';
    color: var(--bg2);
    margin: 0 10px 0 0;
  }
  
  nav.bbs-nav a:last-child::after { content: ''; margin: 0; }
  nav.bbs-nav a:hover { color: var(--green); }
  
  /* ── page header ── */
  .page-header { margin-bottom: 32px; }
  
  .page-header h1 {
    font-size: clamp(1rem, 4vw, 1.4rem);
    color: var(--blue);
    font-weight: 700;
    margin-bottom: 6px;
  }
  
  .page-header h1::before { content: '# '; color: var(--fg-dim); }
  
  .page-header .tagline {
    color: var(--fg-dim);
    font-size: 0.82rem;
    font-style: italic;
  }
  
  .page-header .tagline::before { content: '// '; color: var(--green); }
  
  /* ── mobile ── */
  @media (max-width: 600px) {
    .bbs-ascii { display: none; }
    .bbs-logo-text { display: block; }
    .bbs-robot-bubble {
      overflow-x: auto;
      text-overflow: clip;
      -webkit-overflow-scrolling: touch;
    }
  }

/* ── filter bar ── */
.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 28px;
  padding: 12px;
  background: var(--bg_d);
  border: 1px solid var(--bg2);
  border-left: 2px solid var(--cyan);
}

.filter-label {
  font-size: 0.72rem;
  color: var(--fg-dim);
  padding: 3px 0;
  margin-right: 4px;
  align-self: center;
  flex-shrink: 0;
}

.filter-btn {
  font-family: var(--mono);
  font-size: 0.72rem;
  background: var(--bg1);
  color: var(--fg-dim);
  border: 1px solid var(--bg2);
  padding: 3px 10px;
  cursor: pointer;
  text-transform: lowercase;
  transition: all .15s;
  line-height: 1.6;
}

.filter-btn:hover { color: var(--cyan); border-color: var(--cyan); }
.filter-btn.active { background: var(--bg2); color: var(--cyan); border-color: var(--cyan); }

/* ── specimen count ── */
.specimen-count {
  font-size: 0.72rem;
  color: var(--fg-dim);
  margin-bottom: 28px;
}

.specimen-count::before { content: '// '; color: var(--green); }

/* ── class section ── */
.class-section {
  margin-bottom: 48px;
}

.class-heading {
  font-size: 1rem;
  color: var(--cyan);
  font-weight: 700;
  margin-bottom: 4px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--bg2);
}

.class-heading::before { content: '## '; color: var(--fg-dim); }

.class-desc {
  font-size: 0.8rem;
  color: var(--fg-dim);
  font-style: italic;
  margin-bottom: 20px;
  margin-top: 8px;
  padding-left: 10px;
  border-left: 2px solid var(--bg2);
}

.subclass-heading {
  font-size: 0.85rem;
  color: var(--green);
  font-weight: 600;
  margin: 20px 0 10px;
}

.subclass-heading::before { content: '### '; color: var(--fg-dim); }

/* ── specimen grid ── */
.specimen-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 2px;
  margin-bottom: 8px;
}

.specimen-card {
  background: var(--bg_d);
  border: 1px solid var(--bg2);
  padding: 12px 10px 10px;
  cursor: pointer;
  transition: border-color .12s, background .12s;
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  text-align: center;
}

.specimen-card::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--class-color, var(--bg2));
  pointer-events: none;
}

.specimen-card.multi-class::before {
  background: linear-gradient(to bottom, var(--class-color) 50%, var(--also-color) 50%);
}

.specimen-card:hover {
  border-color: var(--blue);
  background: var(--bg1);
}

.specimen-card:hover .specimen-icon { transform: scale(1.15); }

.specimen-icon {
  font-size: 2rem;
  line-height: 1;
  display: block;
  width: 4rem;
  height: 4rem;
  transition: transform .15s ease;
  filter: grayscale(15%);
  object-fit: contain;
  opacity: 0.85;
  clip-path: inset(0 4px 4px 0);
}

/* all PNG icons: consistent treatment */
img.specimen-icon {
  filter: grayscale(10%) brightness(1.05);
}

/* old photo PNGs — blend away dark backgrounds */
img.specimen-icon[src*="-photo.png"] {
  filter: grayscale(100%) contrast(1.5) brightness(1.3);
  mix-blend-mode: screen;
  object-fit: cover;
  opacity: 1;
}

.specimen-name {
  font-size: 0.75rem;
  color: var(--fg);
  font-weight: 600;
  line-height: 1.3;
}

.specimen-origin {
  font-size: 0.68rem;
  color: var(--fg-dim);
  line-height: 1.3;
}

.specimen-auto {
  font-size: 0.62rem;
  padding: 1px 6px;
  border: 1px solid;
  line-height: 1.5;
  margin-top: 2px;
}

.auto-non    { color: var(--fg-dim); border-color: var(--fg-dim); }
.auto-int    { color: var(--yellow); border-color: var(--yellow); }
.auto-eve    { color: var(--orange); border-color: var(--orange); }
.auto-full   { color: var(--red);    border-color: var(--red);    }

/* ── legend (collapsible, near filter) ── */
.legend {
  margin-bottom: 20px;
  background: var(--bg_d);
  border: 1px solid var(--bg2);
  border-left: 2px solid var(--yellow);
  font-size: 0.76rem;
}

.legend-toggle {
  display: flex;
  align-items: center;
  gap: 8px;
  width: 100%;
  background: none;
  border: none;
  padding: 8px 12px;
  cursor: pointer;
  font-family: var(--mono);
  font-size: 0.76rem;
  color: var(--yellow);
  text-align: left;
  text-transform: lowercase;
}

.legend-toggle:hover { color: var(--fg); }
.legend-toggle-label { flex: 1; }
.legend-toggle-arrow { font-size: 0.7rem; color: var(--fg-dim); }

.legend-body {
  padding: 12px 16px 14px;
  border-top: 1px solid var(--bg2);
}

.legend-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.legend-section h4 {
  color: var(--fg-dim);
  font-size: 0.72rem;
  margin-bottom: 6px;
  letter-spacing: 0.04em;
}

.legend-item {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 4px;
  color: var(--fg);
}

.legend-swatch {
  font-size: 0.62rem;
  padding: 1px 6px;
  border: 1px solid;
  white-space: nowrap;
  flex-shrink: 0;
}

.legend-classes {
  margin-top: 14px;
  padding-top: 12px;
  border-top: 1px solid var(--bg2);
}

.legend-classes h4 {
  color: var(--fg-dim);
  font-size: 0.72rem;
  margin-bottom: 8px;
  letter-spacing: 0.04em;
}

.legend-class-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 8px;
}

.legend-class-swatch {
  font-size: 0.62rem;
  padding: 1px 8px 1px 6px;
  border: 1px solid;
  border-left-width: 3px;
  white-space: nowrap;
}

.legend-class-note {
  font-size: 0.68rem;
  color: var(--fg-dim);
  font-style: italic;
}

/* ── modal ── */
body.modal-open { overflow: hidden; }

.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(21, 24, 28, 0.88);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 100;
  padding: 20px;
  backdrop-filter: blur(2px);
}

.modal {
  background: var(--bg1);
  border: 1px solid var(--bg2);
  border-left: none;
  padding: 24px 24px 24px 27px;
  max-width: 480px;
  width: 100%;
  position: relative;
  max-height: 90vh;
  overflow-y: auto;
}

.modal::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: linear-gradient(to bottom, var(--class-color, var(--blue)) 50%, var(--also-color, var(--class-color, var(--blue))) 50%);
}

.modal-close {
  position: absolute;
  top: 10px;
  right: 12px;
  background: none;
  border: none;
  color: var(--fg-dim);
  font-family: var(--mono);
  font-size: 0.78rem;
  cursor: pointer;
  transition: color .12s;
}

.modal-close:hover { color: var(--red); }

.modal-icon-wrap {
  display: flex;
  justify-content: center;
  margin-bottom: 16px;
}

.modal-icon {
  width: 80px;
  height: 80px;
  object-fit: contain;
  filter: grayscale(10%);
  opacity: 0.9;
}

.modal-name {
  color: var(--blue);
  font-weight: 700;
  font-size: 1rem;
  margin-bottom: 8px;
}

.modal-meta {
  color: var(--fg-dim);
  font-size: 0.75rem;
  margin-bottom: 12px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
}

.modal-meta .m-origin::before { content: '↳ '; }
.modal-meta .m-class { color: var(--cyan); }
.modal-meta .m-subclass { color: var(--fg-dim); font-style: italic; }
.modal-meta .m-subclass::before { content: '› '; }
.modal-meta .m-body  { color: var(--purple); }

.modal-note {
  color: var(--fg);
  font-size: 0.82rem;
  line-height: 1.65;
  border-top: 1px solid var(--bg2);
  padding-top: 12px;
  margin-top: 4px;
}

.modal-also {
  margin-top: 14px;
  padding-top: 10px;
  border-top: 1px solid var(--bg2);
  font-size: 0.75rem;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
}

.modal-also-label {
  color: var(--fg-dim);
  margin-right: 2px;
}

.modal-also-btn {
  font-size: 0.7rem;
  padding: 2px 8px;
}

/* ── footer ── */
footer {
  margin-top: 48px;
  padding-top: 16px;
  border-top: 1px solid var(--bg1);
  font-size: 0.76rem;
  color: var(--fg-dim);
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
}

footer::before { content: '~ '; color: var(--green); }
footer a { color: var(--fg-dim); text-decoration: none; }
footer a:hover { color: var(--green); }

/* ── selection ── */
::selection { background: rgba(97,175,239,.3); color: #fff; }

/* ── responsive ── */
@media (max-width: 600px) {
  body { padding: 18px 14px 60px; }
  .site-title { display: none; }
  .specimen-grid { grid-template-columns: repeat(auto-fill, minmax(130px, 1fr)); }
  .legend-grid { grid-template-columns: 1fr; }
}