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

:root {
  --black:    #0a0a0a;
  --surface:  #111111;
  --border:   #1e1e1e;
  --mint:     #3fffa8;
  --mint-dim: #2dcc85;
  --text:     #d4d4d4;
  --muted:    #6b6b6b;
}

body {
  background: var(--black);
  color: var(--text);
  font-family: 'Georgia', serif;
  font-size: 1.3rem;
  line-height: 1.8;
}

/* ── Header ── */
header {
  border-bottom: 1px solid var(--border);
  padding: 0.75rem 1.5rem;
}
header .header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
header .site-name {
  font-family: 'Courier New', monospace;
  font-size: 1rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--mint);
  text-decoration: none;
}
header .site-name:hover { color: var(--mint-dim); }
header .header-portrait {
  width: 75px;
  height: 75px;
  object-fit: cover;
  filter: grayscale(100%);
  opacity: 0.75;
  border: 1px solid var(--border);
}

/* ── Page layout ── */
.page-wrapper {
  display: grid;
  grid-template-columns: 220px 1fr;
  min-height: calc(100vh - 91px);
}

/* ── Sidebar ── */
.sidebar {
  border-right: 1px solid var(--border);
  padding: 2.5rem 1.25rem 2.5rem 1.5rem;
  position: sticky;
  top: 0;
  height: 100vh;
  overflow-y: auto;
}
.sidebar-series-label {
  font-family: 'Courier New', monospace;
  font-size: 1.3rem;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: #ffffff;
  margin-bottom: 0.4rem;
}
.sidebar-title {
  font-family: 'Courier New', monospace;
  font-size: 0.95rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--mint);
  line-height: 1.5;
  margin-bottom: 2rem;
  text-decoration: none;
  display: block;
}
.sidebar-title:hover { color: var(--mint-dim); }
.stage-list { list-style: none; }
.stage-item { margin-bottom: 0.15rem; }
.stage-item a {
  display: block;
  padding: 0.45rem 0.65rem;
  text-decoration: none;
  color: var(--text);
  font-family: 'Courier New', monospace;
  font-size: 0.93rem;
  border: 1px solid transparent;
  line-height: 1.4;
}
.stage-item a:hover {
  border-color: var(--border);
  color: #ffffff;
}
.stage-item.active a {
  background: #0f0f0f;
  border-color: var(--mint);
  color: var(--mint);
}
.stage-name { display: block; }

/* ── Main content ── */
.main-content { min-width: 0; }
article {
  max-width: 860px;
  margin: 0 auto;
  padding: 3rem 2rem 5rem;
}

/* ── Article header ── */
.article-label {
  font-family: 'Courier New', monospace;
  font-size: 1.2rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--mint);
  margin-bottom: 1rem;
}
h1 {
  font-size: 2rem;
  font-weight: normal;
  line-height: 1.25;
  color: #ffffff;
  margin-bottom: 1rem;
}
.article-meta {
  font-family: 'Courier New', monospace;
  font-size: 1.2rem;
  color: #ffffff;
  letter-spacing: 0.08em;
  margin-bottom: 2.5rem;
  padding-bottom: 2rem;
  border-bottom: 1px solid var(--border);
}

/* ── Body typography ── */
h2 {
  font-size: 1.2rem;
  font-weight: normal;
  color: var(--mint);
  font-family: 'Courier New', monospace;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin: 2.75rem 0 1rem;
}
p { margin-bottom: 1.25rem; }
a { color: var(--mint); text-decoration: none; }
a:hover { color: var(--mint-dim); text-decoration: underline; }
strong { color: #ffffff; }
em { font-style: italic; }

/* ── Piece image ── */
.piece-image {
  width: 100%;
  display: block;
  margin: 2.5rem 0 0.75rem;
  border: 1px solid var(--border);
  opacity: 0.85;
}
.image-caption {
  font-family: 'Courier New', monospace;
  font-size: 0.78rem;
  color: var(--muted);
  letter-spacing: 0.08em;
  margin-bottom: 2.5rem;
  text-align: center;
}

/* ── Aphorisms ── */
.aphorism {
  border-left: 2px solid var(--border);
  padding-left: 1.5rem;
  margin-bottom: 2rem;
  color: var(--text);
}

/* ── Image reference (no actual image) ── */
.image-ref {
  font-family: 'Courier New', monospace;
  font-size: 0.8rem;
  color: var(--muted);
  letter-spacing: 0.08em;
  border: 1px solid var(--border);
  padding: 0.5rem 0.75rem;
  display: inline-block;
  margin-bottom: 2rem;
}

/* ── Footer ── */
footer {
  border-top: 1px solid var(--border);
  padding: 2rem 0;
  text-align: center;
  font-family: 'Courier New', monospace;
  font-size: 0.8rem;
  letter-spacing: 0.1em;
  color: #ffffff;
  text-transform: uppercase;
}

/* ── Mobile ── */
@media (max-width: 768px) {
  .page-wrapper { grid-template-columns: 1fr; }
  .sidebar {
    position: static;
    height: auto;
    border-right: none;
    border-bottom: 1px solid var(--border);
    padding: 1rem 1.5rem;
    overflow-x: auto;
    overflow-y: visible;
    white-space: nowrap;
    display: flex;
    align-items: center;
    gap: 1.25rem;
  }
  .sidebar-series-label { display: none; }
  .sidebar-title {
    display: inline-block;
    margin-bottom: 0;
    white-space: nowrap;
    flex-shrink: 0;
    font-size: 0.7rem;
  }
  .stage-list {
    display: inline-flex;
    gap: 0.4rem;
    flex-shrink: 0;
  }
  .stage-item { display: inline-block; margin-bottom: 0; }
  .stage-item a { padding: 0.25rem 0.5rem; white-space: nowrap; }
}

@media (max-width: 600px) {
  body { font-size: 1rem; }
  h1 { font-size: 1.6rem; }
  article { padding: 2rem 1rem 4rem; }
}