/* ============================================================
   DaVinci's Forge — stylesheet
   Dark theme · terracotta accent · public/private indicators
   ============================================================ */

:root {
  --bg: #0d0d11;
  --bg-elev: #16161c;
  --bg-elev-2: #1e1e26;
  --border: #2a2a36;
  --border-strong: #3a3a48;
  --text: #ece9e0;
  --text-soft: #a5a298;
  --text-dim: #6b6a62;
  --accent: #c9542d;
  --accent-soft: #e07c4a;
  --accent-bg: rgba(201, 84, 45, 0.12);
  --green: #6fb37a;
  --amber: #d4a046;
  --blue: #6f9bc4;
  --vis-private: #d4a046;
  --vis-public: #6fb37a;

  --font-display: 'Fraunces', Georgia, serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, system-ui, sans-serif;
  --font-mono: 'IBM Plex Mono', 'SF Mono', Menlo, monospace;
}

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

html, body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 14px;
  line-height: 1.55;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a { color: inherit; text-decoration: none; }

/* ===== HEADER ===== */
.site-header {
  background: linear-gradient(180deg, #14141a 0%, #0d0d11 100%);
  border-bottom: 1px solid var(--border);
  padding: 28px 0 22px;
}
.header-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 32px;
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 24px;
  flex-wrap: wrap;
}
.site-title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 38px;
  letter-spacing: -0.02em;
  color: var(--text);
}
.site-subtitle {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-dim);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-top: 4px;
}
.site-meta { display: flex; gap: 8px; font-family: var(--font-mono); font-size: 11px; color: var(--text-soft); }
.meta-pill { background: var(--bg-elev); border: 1px solid var(--border); padding: 6px 12px; border-radius: 12px; }
.meta-num { color: var(--accent); font-weight: 600; }

/* ===== CONTENT ===== */
.content { max-width: 1280px; margin: 0 auto; padding: 36px 32px 80px; }

/* ===== FILTER BAR ===== */
.filter-bar {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 36px;
  padding: 10px 16px;
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: 10px;
}
.filter-bar input {
  flex: 1; background: transparent; border: none; outline: none;
  font-family: var(--font-body); font-size: 14px; color: var(--text); padding: 6px 4px;
}
.filter-bar input::placeholder { color: var(--text-dim); }
.filter-counts { font-family: var(--font-mono); font-size: 11px; color: var(--text-dim); white-space: nowrap; }

/* ===== CATEGORY SECTIONS ===== */
.category { margin-bottom: 44px; }
.category-title {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 14px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border);
}

/* ===== CARDS GRID ===== */
.cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 14px;
}
.card {
  display: block;
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 18px 18px 16px;
  transition: border-color 0.15s, background 0.15s, transform 0.15s;
  cursor: pointer;
  position: relative;
  overflow: hidden;
}
.card:hover { border-color: var(--border-strong); background: var(--bg-elev-2); transform: translateY(-1px); }
.card.pinned::before {
  content: '';
  position: absolute;
  top: 0; left: 0; bottom: 0;
  width: 3px;
  background: var(--accent);
}
.card-header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 12px;
  margin-bottom: 8px;
}
.card-title { font-family: var(--font-display); font-size: 17px; font-weight: 500; color: var(--text); line-height: 1.3; }
.pin { color: var(--accent); }
.card-updated { font-family: var(--font-mono); font-size: 10px; color: var(--text-dim); white-space: nowrap; letter-spacing: 0.04em; }
.card-description { font-size: 13px; color: var(--text-soft); line-height: 1.5; margin-bottom: 12px; }
.card-tags { display: flex; flex-wrap: wrap; gap: 5px; align-items: center; }
.tag {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--text-soft);
  background: var(--bg-elev-2);
  border: 1px solid var(--border);
  padding: 2px 7px;
  border-radius: 10px;
  letter-spacing: 0.02em;
}

/* visibility pill */
.vis-pill {
  font-family: var(--font-mono);
  font-size: 9px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 2px 7px;
  border-radius: 10px;
  border: 1px solid currentColor;
}
.vis-pill.vis-private { color: var(--vis-private); }
.vis-pill.vis-public { color: var(--vis-public); }

/* ===== FOOTER ===== */
.site-footer {
  margin-top: 60px;
  padding-top: 24px;
  border-top: 1px solid var(--border);
  text-align: center;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-dim);
}
.site-footer code {
  background: var(--bg-elev); border: 1px solid var(--border);
  padding: 2px 6px; border-radius: 4px; color: var(--text-soft);
}

/* ============================================================
   PAGE DETAIL (individual content page)
   ============================================================ */
body.page-detail { padding: 0; }
.breadcrumb {
  max-width: 900px;
  margin: 0 auto;
  padding: 24px 32px 0;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-dim);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.breadcrumb a:hover { color: var(--accent); }
.breadcrumb-sep { color: var(--text-dim); margin: 0 8px; }
.breadcrumb-cat { color: var(--text-soft); }

.page-content {
  max-width: 900px;
  margin: 0 auto;
  padding: 20px 32px 80px;
}
.page-meta h1 {
  font-family: var(--font-display);
  font-size: 40px;
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.15;
  margin-bottom: 14px;
}
.meta-row { display: flex; align-items: center; gap: 12px; margin-bottom: 14px; flex-wrap: wrap; }
.meta-mono { font-family: var(--font-mono); font-size: 11px; color: var(--text-dim); letter-spacing: 0.04em; text-transform: uppercase; }
.page-summary { font-family: var(--font-display); font-size: 17px; font-weight: 400; font-style: italic; color: var(--text-soft); line-height: 1.5; margin-bottom: 14px; }
.page-tags { display: flex; flex-wrap: wrap; gap: 5px; margin-bottom: 36px; padding-bottom: 24px; border-bottom: 1px solid var(--border); }

/* Body content from Markdown */
.page-body h1, .page-body h2, .page-body h3, .page-body h4 {
  font-family: var(--font-display);
  font-weight: 500;
  color: var(--text);
  letter-spacing: -0.01em;
  margin-top: 32px;
  margin-bottom: 12px;
}
.page-body h1 { font-size: 28px; }
.page-body h2 { font-size: 22px; margin-top: 38px; padding-top: 0; }
.page-body h3 {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  margin-top: 28px;
}
.page-body p, .page-body li {
  font-size: 15px;
  line-height: 1.7;
  color: var(--text-soft);
  margin-bottom: 12px;
}
.page-body strong { color: var(--text); font-weight: 600; }
.page-body em { color: var(--text); font-style: italic; }
.page-body ul, .page-body ol { padding-left: 24px; margin-bottom: 14px; }
.page-body li { margin-bottom: 6px; }
.page-body a {
  color: var(--accent-soft);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}
.page-body a:hover { color: var(--accent); }
.page-body code {
  font-family: var(--font-mono);
  font-size: 12px;
  background: var(--bg-elev);
  border: 1px solid var(--border);
  padding: 1px 6px;
  border-radius: 3px;
  color: var(--text);
}
.page-body pre {
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 14px 18px;
  overflow-x: auto;
  margin-bottom: 16px;
}
.page-body pre code { background: none; border: none; padding: 0; }
.page-body blockquote {
  border-left: 3px solid var(--accent);
  padding-left: 16px;
  margin-left: 0;
  margin-bottom: 14px;
  color: var(--text-soft);
  font-style: italic;
}
.page-body table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 18px;
  font-size: 13px;
}
.page-body th, .page-body td {
  border: 1px solid var(--border);
  padding: 8px 12px;
  text-align: left;
}
.page-body th {
  background: var(--bg-elev);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-soft);
}
.page-body hr { border: none; border-top: 1px solid var(--border); margin: 32px 0; }

/* ===== RESPONSIVE ===== */
@media (max-width: 700px) {
  .header-inner { flex-direction: column; align-items: flex-start; }
  .site-title { font-size: 30px; }
  .content { padding: 24px 20px 60px; }
  .cards { grid-template-columns: 1fr; }
  .page-content { padding: 20px 20px 60px; }
  .page-meta h1 { font-size: 30px; }
}