:root {
  color-scheme: light;
  --bg: #f8f3e8;
  --panel: #fffaf1;
  --ink: #182235;
  --muted: #657084;
  --accent: #275efe;
  --accent-2: #db7f38;
  --border: #e4d7c2;
  --shadow: 0 20px 60px rgb(39 43 54 / 12%);
}

* { box-sizing: border-box; }
body {
  margin: 0;
  background: radial-gradient(circle at top left, #fff4d8, transparent 35rem), var(--bg);
  color: var(--ink);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.65;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
a.missing { color: #a33; border-bottom: 1px dashed currentColor; }

.topbar {
  align-items: center;
  backdrop-filter: blur(14px);
  background: rgb(255 250 241 / 82%);
  border-bottom: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  padding: 0.85rem clamp(1rem, 4vw, 3rem);
  position: sticky;
  top: 0;
  z-index: 10;
}

.brand {
  color: var(--ink);
  font-weight: 800;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.menu-button { display: none; }

.layout {
  display: grid;
  gap: 2rem;
  grid-template-columns: minmax(14rem, 18rem) minmax(0, 1fr);
  margin: 0 auto;
  max-width: 1240px;
  padding: 2rem clamp(1rem, 4vw, 3rem) 4rem;
}

.sidebar {
  align-self: start;
  background: rgb(255 250 241 / 75%);
  border: 1px solid var(--border);
  border-radius: 1.25rem;
  box-shadow: var(--shadow);
  padding: 1rem;
  position: sticky;
  top: 5rem;
}

.search-label { color: var(--muted); display: grid; font-size: 0.85rem; gap: 0.35rem; }
input, textarea {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 0.8rem;
  color: var(--ink);
  font: inherit;
  padding: 0.75rem 0.9rem;
  width: 100%;
}
textarea { min-height: 16rem; resize: vertical; }
nav { display: grid; gap: 0.35rem; margin-top: 1rem; }
nav a { border-radius: 0.7rem; color: var(--ink); padding: 0.45rem 0.6rem; }
nav a:hover { background: #f0e6d6; text-decoration: none; }

main { display: grid; gap: 2rem; min-width: 0; }
.note, .workspace {
  background: rgb(255 250 241 / 86%);
  border: 1px solid var(--border);
  border-radius: 1.5rem;
  box-shadow: var(--shadow);
  padding: clamp(1.25rem, 4vw, 3rem);
}

.eyebrow {
  color: var(--accent-2);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  margin: 0 0 0.5rem;
  text-transform: uppercase;
}

h1, h2, h3 { line-height: 1.2; }
h1 { font-size: clamp(2rem, 6vw, 4.2rem); margin: 0 0 1rem; }
h2 { border-top: 1px solid var(--border); margin-top: 2.5rem; padding-top: 1.5rem; }
.summary { color: var(--muted); font-size: 1.2rem; margin-bottom: 1.5rem; }
.tags { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-bottom: 2rem; }
.tags span {
  background: #e9efff;
  border: 1px solid #d6def8;
  border-radius: 999px;
  color: #26437a;
  font-size: 0.8rem;
  padding: 0.25rem 0.6rem;
}

pre, code { background: #182235; border-radius: 0.5rem; color: #fff2d9; }
code { padding: 0.1rem 0.35rem; }
pre { overflow: auto; padding: 1rem; }
pre.mermaid { background: #fff; border: 1px solid var(--border); color: var(--ink); }

table { border-collapse: collapse; display: block; overflow-x: auto; width: 100%; }
th, td { border: 1px solid var(--border); padding: 0.65rem; text-align: left; }
th { background: #f3eadb; }

.workspace-grid { display: grid; gap: 1rem; grid-template-columns: minmax(0, 1.4fr) minmax(14rem, 0.6fr); }
.button-row { display: flex; flex-wrap: wrap; gap: 0.6rem; margin-top: 0.75rem; }
button, .file-button {
  background: var(--ink);
  border: 0;
  border-radius: 999px;
  color: white;
  cursor: pointer;
  display: inline-flex;
  font: inherit;
  font-weight: 700;
  padding: 0.7rem 1rem;
}
.file-button input { display: none; }
[data-draft-list] { list-style: none; padding: 0; }
[data-draft-list] li { border-bottom: 1px solid var(--border); display: grid; gap: 0.4rem; padding: 0.6rem 0; }
[data-draft-list] .draft-actions { display: flex; gap: 0.4rem; }
[data-draft-list] button { font-size: 0.8rem; padding: 0.35rem 0.65rem; }

@media (max-width: 800px) {
  .menu-button { display: inline-flex; }
  .layout { grid-template-columns: 1fr; }
  .sidebar { display: none; position: static; }
  .sidebar.open { display: block; }
  .workspace-grid { grid-template-columns: 1fr; }
}