/* ---------------------------------------------------------------
   yedhu.me — panel theme
   dark · mono · blue bars · amber panel titles
   --------------------------------------------------------------- */

:root {
  --bg: #14161c;
  --panel: #171a22;
  --fg: #c8ccd8;
  --bright: #ffffff;
  --muted: #6b7385;
  --border: #2a2f3d;
  --bar: #2a5caa;
  --bar-fg: #cfe0ff;
  --link: #8fb6ff;
  --amber: #e0af68;
  --green: #9ece6a;
  --sel: #3d4666;
  --code-bg: #0d0f14;
  --mono: ui-monospace, "SF Mono", "Cascadia Code", "JetBrains Mono", Menlo, Consolas, monospace;
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0 auto;
  max-width: 52rem;
  padding: 1rem 1.25rem 5rem;
  background: var(--bg);
  color: var(--fg);
  font-family: var(--mono);
  font-size: 0.9rem;
  line-height: 1.65;
}

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

/* ----------------------------- header ----------------------------- */

.head {
  background: var(--bar);
  color: #fff;
  text-align: center;
  font-weight: 700;
  padding: 0.35rem 0.75rem;
  letter-spacing: 0.02em;
}

.head-sub { font-weight: 400; color: var(--bar-fg); }

.tabs {
  background: #1a1e2a;
  color: var(--muted);
  text-align: center;
  padding: 0.25rem;
  font-size: 0.82rem;
  margin-bottom: 1.5rem;
  border-bottom: 1px solid var(--border);
}

.tabs a { color: var(--muted); }
.tabs a:hover { color: var(--link); text-decoration: none; }
.tabs a.active { color: var(--amber); font-weight: 700; }
.tabs .sep { margin: 0 0.6rem; color: var(--border); }

/* ----------------------------- panels ----------------------------- */

.cols {
  display: grid;
  grid-template-columns: 1.7fr 1fr;
  gap: 1rem;
  align-items: start;
}

.panel {
  border: 1px solid var(--border);
  background: var(--panel);
  padding: 0.9rem 1.1rem;
  position: relative;
}

.paneltitle {
  position: absolute;
  top: -0.8em;
  left: 0.9rem;
  background: var(--bg);
  padding: 0 0.5rem;
  margin: 0;
  font-size: 0.78rem;
  color: var(--amber);
  font-weight: 700;
  letter-spacing: 0.05em;
}

/* --------------------------- post index --------------------------- */

.post-index { border-collapse: collapse; width: 100%; }

.post-index td { padding: 0.16rem 0.3rem; }

.post-index td.val {
  color: var(--muted);
  text-align: right;
  white-space: nowrap;
  font-size: 0.85rem;
}

tr.year-sep td {
  color: var(--muted);
  font-size: 0.78rem;
  padding-top: 0.6rem;
  letter-spacing: 0.05em;
}

tr.post-row td:first-child::before { content: "  "; white-space: pre; }
tr.post-row.sel td:first-child::before { content: "▸ "; color: var(--amber); }

tr.post-row.sel td { background: var(--sel); }
tr.post-row.sel td a { color: var(--bright); }
tr.post-row.sel td.val { color: var(--bar-fg); }

/* ------------------------------ info ------------------------------ */

.help { color: var(--muted); font-size: 0.84rem; line-height: 1.6; }
.help b, .help strong { color: var(--green); font-weight: 400; }
.help p { margin: 0 0 0.8rem; }

#selected-info {
  border-top: 1px dashed var(--border);
  padding-top: 0.8rem;
  min-height: 3.5rem;
}

/* ------------------------------ post ------------------------------ */

.post-view {
  padding: 1.25rem 1.5rem;
  margin-top: 0.5rem;
}

.post-header h1 {
  color: var(--bright);
  font-size: 1.25rem;
  margin: 0 0 0.3rem;
  line-height: 1.4;
}

.post-meta {
  color: var(--muted);
  font-size: 0.8rem;
  margin: 0 0 1.3rem;
}

.tag { color: var(--green); margin-right: 0.5rem; }

.post-content { max-width: 42rem; }

.post-content h2,
.post-content h3,
.post-content h4 {
  color: var(--amber);
  font-size: 1rem;
  margin: 1.7rem 0 0.5rem;
}

.post-content h2::before { content: "── "; }
.post-content h2::after { content: " ──"; }
.post-content h3::before { content: "· "; }

.post-content img {
  max-width: 100%;
  height: auto;
  border: 1px solid var(--border);
}

.post-content blockquote {
  margin: 1.3rem 0;
  padding: 0.5rem 1rem;
  border-left: 3px solid var(--green);
  color: var(--green);
  font-style: italic;
}

.post-content blockquote p { margin: 0.3rem 0; }

.post-content hr {
  border: none;
  border-top: 1px dashed var(--border);
  margin: 2rem 0;
}

.post-content table {
  border-collapse: collapse;
  width: 100%;
  margin: 1.3rem 0;
  font-size: 0.85rem;
}

.post-content th,
.post-content td {
  border: 1px solid var(--border);
  padding: 0.3rem 0.6rem;
  text-align: left;
}

.post-content th { color: var(--amber); font-weight: 700; }

/* ------------------------------ code ------------------------------ */

code {
  font-family: var(--mono);
  color: var(--amber);
  background: var(--code-bg);
  padding: 0.1em 0.35em;
  border-radius: 3px;
  font-size: 0.9em;
}

pre {
  background: var(--code-bg);
  border: 1px solid var(--border);
  border-radius: 3px;
  padding: 1rem;
  overflow-x: auto;
  line-height: 1.5;
}

pre code {
  background: none;
  padding: 0;
  color: var(--fg);
  font-size: 0.82rem;
}

pre.term { color: var(--muted); }

/* rouge syntax highlighting */
.highlight .c, .highlight .cm, .highlight .c1, .highlight .cs,
.highlight .cd { color: #565f89; font-style: italic; }
.highlight .k, .highlight .kd, .highlight .kn, .highlight .kp,
.highlight .kr, .highlight .kt, .highlight .kv, .highlight .ow { color: #bb9af7; }
.highlight .s, .highlight .s1, .highlight .s2, .highlight .sb,
.highlight .sc, .highlight .sd, .highlight .se, .highlight .sh,
.highlight .si, .highlight .sr, .highlight .ss, .highlight .sx { color: #9ece6a; }
.highlight .m, .highlight .mf, .highlight .mh, .highlight .mi,
.highlight .mo, .highlight .il { color: #ff9e64; }
.highlight .nf, .highlight .fm { color: #8fb6ff; }
.highlight .nc, .highlight .nn, .highlight .no { color: #e0af68; }
.highlight .na, .highlight .nb, .highlight .bp { color: #7dcfff; }
.highlight .nt { color: #9ece6a; }
.highlight .nv, .highlight .vc, .highlight .vg, .highlight .vi { color: #e0af68; }
.highlight .o { color: var(--fg); }
.highlight .gd { color: #f7768e; }
.highlight .gi { color: #9ece6a; }
.highlight .gh, .highlight .gu { color: #7dcfff; font-weight: 700; }
.highlight .err { color: #f7768e; }

/* ---------------------------- comments ---------------------------- */

.comments {
  margin-top: 2.5rem;
  border-top: 1px dashed var(--border);
  padding-top: 1.25rem;
}

.comments-title {
  color: var(--amber);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  margin: 0 0 1rem;
}

/* ----------------------------- footer ----------------------------- */

.site-footer {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-top: 2rem;
  padding-top: 1rem;
  font-size: 0.78rem;
  color: var(--muted);
}

.footer-links a { color: var(--muted); margin-left: 0.9rem; }
.footer-links a:hover { color: var(--link); }

/* ----------------------------- key bar ---------------------------- */

.keybar {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--bar);
  color: var(--bar-fg);
  font-size: 0.78rem;
  padding: 0.3rem 1rem;
  display: flex;
  gap: 1.4rem;
  flex-wrap: wrap;
  justify-content: center;
}

.keybar b {
  background: var(--bg);
  color: #fff;
  padding: 0 0.35rem;
  border-radius: 2px;
  font-weight: 400;
}

/* ---------------------------- responsive --------------------------- */

@media (hover: hover) {
  tr.post-row:hover td { background: #1f2430; }
}

@media (max-width: 700px) {
  .cols { grid-template-columns: 1fr; }
  .keybar { display: none; }
  body { padding-bottom: 2rem; }
  .post-index td.val { display: none; }
}