/* Pizza Home — encyclopedia layout (sidebar + content) */

:root {
  --ink2: #2c3e50;
  --indigo: #34495e;
  --amber: #d19b26;
  --parch: #f7f4ec;
  --entry: #2b2b26;
  --dim: #7c7668;
  --hair: #ddd6c6;
  --panel: #fbf9f3;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--parch);
  color: var(--entry);
  font-family: Verdana, Geneva, Tahoma, sans-serif;
  font-size: 14.5px;
  line-height: 1.75;
}

h1, h2, h3 { font-family: Tahoma, Verdana, sans-serif; color: var(--ink2); }
h1 { font-size: 1.7rem; line-height: 1.3; margin: 0 0 0.7rem; }
h2 { font-size: 1.12rem; letter-spacing: 0.02em; margin: 2.2rem 0 0.6rem; padding-bottom: 0.3rem; border-bottom: 2px solid var(--indigo); }
h3 { font-size: 0.98rem; margin: 1.3rem 0 0.25rem; }

p { margin: 0 0 0.9rem; }

a { color: var(--indigo); }
a:hover { color: var(--amber); }

/* top bar */
.topbar { background: var(--indigo); color: #fff; }
.topbar-inner {
  max-width: 1120px; margin: 0 auto; padding: 0.55rem 1rem;
  display: flex; align-items: center; justify-content: space-between; gap: 1rem; flex-wrap: wrap;
}
.topbar a { color: #eef2f6; text-decoration: none; font-size: 0.8rem; letter-spacing: 0.04em; }
.topbar a:hover { color: var(--amber); }
.topbar .who { font-size: 0.72rem; opacity: 0.85; }

/* layout: sidebar + article */
.shell {
  max-width: 1120px; margin: 0 auto; padding: 2rem 1rem;
  display: grid; grid-template-columns: 250px minmax(0, 1fr); gap: 2.4rem;
  align-items: start;
}
.sidebar {
  position: sticky; top: 1rem;
  background: var(--panel); border: 1px solid var(--hair); border-radius: 8px;
  padding: 1.1rem 1.1rem 0.6rem;
}
.sidebar h4 {
  margin: 0 0 0.7rem; font-size: 0.72rem; letter-spacing: 0.14em;
  text-transform: uppercase; color: var(--dim); font-weight: 700;
}
.sidebar ul { list-style: none; margin: 0 0 1rem; padding: 0; }
.sidebar li { margin: 0; }
.sidebar a.side-link {
  display: block; padding: 0.28rem 0.5rem; font-size: 0.83rem;
  border-left: 3px solid transparent; text-decoration: none; color: var(--entry);
}
.sidebar a.side-link:hover { background: var(--parch); border-left-color: var(--amber); color: var(--ink2); }
.side-box {
  border-top: 1px solid var(--hair); padding-top: 0.9rem; margin-top: 0.4rem;
}
.side-box .btn {
  display: block; text-align: center; background: var(--indigo); color: #fff;
  padding: 0.55rem 0.8rem; border-radius: 6px; font-size: 0.82rem; text-decoration: none; font-weight: bold;
}
.side-box .btn:hover { background: #223041; }
.side-box small { display: block; color: var(--dim); font-size: 0.72rem; margin-top: 0.45rem; }

/* article */
.article h1 { color: var(--ink2); }
.article .updated { font-size: 0.75rem; color: var(--dim); margin-bottom: 1.4rem; }

.def-list { margin: 0.6rem 0 0; }
.def-list .entry { border-bottom: 1px dotted var(--hair); padding: 0.75rem 0; }
.def-list h3 { display: inline; }
.def-list p { display: block; margin: 0.25rem 0 0; font-size: 0.9rem; }
.def-list .build { display: block; margin-top: 0.3rem; font-size: 0.8rem; color: var(--dim); }
.def-list .build b { color: var(--indigo); font-weight: bold; letter-spacing: 0.05em; }

.note {
  background: #eef3f7; border: 1px solid #d4dfe8; border-radius: 8px;
  padding: 0.85rem 1rem; font-size: 0.85rem; margin: 1.4rem 0;
}

/* footer */
.foot {
  border-top: 4px solid var(--indigo); background: var(--panel);
  padding: 1.6rem 0 2rem; margin-top: 2rem;
}
.foot-inner { max-width: 1120px; margin: 0 auto; padding: 0 1rem; font-size: 0.8rem; color: var(--dim); }
.foot-inner ul { list-style: none; display: flex; flex-wrap: wrap; gap: 0.3rem 1.3rem; margin: 0.7rem 0 0.7rem; padding: 0; }
.foot-inner a { color: var(--entry); }

.page-head { padding: 2rem 0 0.4rem; }

@media (max-width: 860px) {
  .shell { grid-template-columns: 1fr; }
  .sidebar { position: static; }
}