:root {
  --ink: #1d2a26;
  --muted: #66736e;
  --paper: #f6f4ee;
  --card: #ffffff;
  --line: #d9d6cc;
  --accent: #1f5b4a;
  --ok: #2f7a3d;
  --busy: #8a6a12;
  --error: #a3322a;
  font-family: system-ui, -apple-system, "Segoe UI", sans-serif;
  color: var(--ink);
  background: var(--paper);
}

body { margin: 0; }

header {
  display: flex;
  gap: 1rem;
  align-items: center;
  padding: 0.75rem 1.25rem;
  background: var(--accent);
  color: #fff;
}
header .brand { color: #fff; font-weight: 700; text-decoration: none; }
header .title { flex: 1; opacity: 0.85; }

button {
  font: inherit;
  padding: 0.4rem 0.9rem;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--card);
  color: var(--ink);
  cursor: pointer;
}
button.primary { background: var(--accent); border-color: var(--accent); color: #fff; }

#stage { padding: 1.25rem; }
#entrance { max-width: 28rem; margin: 4rem auto; text-align: center; }
#gate { display: flex; gap: 0.5rem; justify-content: center; }
#gate input { padding: 0.4rem; font: inherit; }

main.studio {
  display: grid;
  grid-template-columns: minmax(12rem, 16rem) minmax(20rem, 1fr) minmax(24rem, 1.2fr);
  gap: 1.25rem;
  align-items: start;
}
@media (max-width: 70rem) {
  main.studio { grid-template-columns: 1fr; }
}

aside, .work, .side section {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 1rem;
}

nav.pages ul { list-style: none; padding-left: 0; margin: 0; }
nav.pages ul ul { padding-left: 0.75rem; margin: 0.25rem 0; }
nav.pages li { margin: 0.35rem 0; }
nav.pages a { color: var(--accent); }
form.new { display: grid; gap: 0.35rem; margin-top: 0.5rem; }
form.new input { font: inherit; padding: 0.3rem; }

form.fields label { display: grid; gap: 0.25rem; margin: 0.75rem 0; font-weight: 600; }
form.fields input, form.fields textarea {
  font: inherit;
  font-weight: 400;
  padding: 0.4rem;
  border: 1px solid var(--line);
  border-radius: 6px;
}
fieldset { border: 1px solid var(--line); border-radius: 8px; margin: 0.75rem 0; }
fieldset .item { border-top: 1px dashed var(--line); padding-top: 0.25rem; }
form.danger { margin-top: 2rem; }
form.inline { display: inline; margin-left: 0.5rem; }

dl.state { display: grid; grid-template-columns: auto 1fr; gap: 0.25rem 1rem; margin: 0 0 1rem; }
dl.state dt { color: var(--muted); }
dl.state dd { margin: 0; }

.preview-bar { display: flex; gap: 0.75rem; align-items: center; flex-wrap: wrap; margin-bottom: 0.5rem; }
#preview-frame { width: 100%; height: 70vh; border: 1px solid var(--line); border-radius: 6px; background: #fff; }

.ok { color: var(--ok); }
.busy { color: var(--busy); }
.error { color: var(--error); }
.muted { color: var(--muted); font-weight: 400; }
.failure { border-left: 3px solid var(--error); padding-left: 0.75rem; margin: 0.5rem 0 1rem; }
ul.errors { font-size: 0.9em; }
code { font-size: 0.9em; }