/* DEMO (D18): koesivun ulkoasu (esittää koejärjestelmää). Valvontakomponentin tyylit ovat omassa Shadow DOMissaan. */
:root {
  --text: #1f2a3c;
  --muted: #536673;
  --border: #dddddd;
  --accent: #523fc3;
  font-family: Figtree, system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  color: var(--text);
  background: #fcfcfc;
}
body {
  margin: 0;
}
.ex-header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--border);
  background: #fff;
}
.ex-tag {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--accent);
  border: 1px solid var(--accent);
  border-radius: 999px;
  padding: 0.1rem 0.6rem;
}
.ex-main {
  max-width: 720px;
  margin: 0 auto;
  padding: 1rem 16px;
}
h1 {
  font-size: 1.35rem;
  font-weight: 800;
}
.ex-muted {
  color: var(--muted);
  font-size: 0.9rem;
}
.ex-form fieldset {
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 0.75rem 1rem;
  margin: 0 0 0.9rem;
  background: #fff;
}
.ex-form legend {
  font-weight: 700;
  padding: 0 0.25rem;
}
.ex-form label {
  display: block;
  padding: 0.35rem 0;
}
.ex-form textarea {
  width: 100%;
  box-sizing: border-box;
  font: inherit;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.5rem;
}
.ex-submit {
  font: inherit;
  font-weight: 800;
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: 8px;
  padding: 0.7rem 1.2rem;
  cursor: pointer;
}
.ex-done {
  color: #137a62;
  font-weight: 700;
}
/* Tilaa kelluvalle valvontakortille sivun lopussa. */
.ex-spacer {
  height: 140px;
}