/* Cozy clinical theme */
:root {
  --bg: #f7f8fb;
  --surface: #ffffff;
  --text: #1f2937;
  --muted: #616e7c;
  --accent: #3b82f6;
  --accent-soft: #dbeafe;
  --border: #dbe2ed;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; font-family: Inter, "Segoe UI", Helvetica, Arial, sans-serif; background: var(--bg); color: var(--text); }
.page-body { min-height: 100vh; display: flex; flex-direction: column; }
.site-header { background: var(--surface); border-bottom: 1px solid var(--border); padding: 1rem 1.25rem; display: flex; align-items: center; justify-content: space-between; position: sticky; top: 0; z-index: 10; }
.site-brand { font-size: 1.1rem; font-weight: 700; color: var(--accent); }
.site-nav-toggle { display: none; border: 1px solid var(--border); border-radius: 6px; background: var(--surface); color: var(--accent); padding: 0.4rem 0.75rem; font-size: 1.1rem; cursor: pointer; }
.site-nav { display: none; }
.site-nav a { margin-left: 0.75rem; color: var(--text); text-decoration: none; font-weight: 500; }
.site-nav a:hover { color: var(--accent); }
.content { flex: 1; padding: 1.25rem; max-width: 900px; margin: 0 auto; }
.site-footer { padding: 1rem 1.25rem; background: var(--surface); border-top: 1px solid var(--border); text-align: center; color: var(--muted); }

h1, h2 { color: #0f172a; }
h1 { margin-top: 0; font-size: 2rem; }
h2 { margin: 1.25rem 0 0.5rem; }

ul { padding-left: 1.25rem; }
ul li { margin: 0.45rem 0; }
li.task-list-item { list-style: none; padding-left: 0; }
li.task-list-item > input[type="checkbox"] { margin-right: 0.45rem; }
input[type="checkbox"] { accent-color: var(--accent); }

a { color: var(--accent); }
a:hover { color: #1d4ed8; }

.clear-checklist {
  margin: 1rem 0;
  padding: 0.6rem 1rem;
  border: 1px solid var(--border);
  background: var(--accent-soft);
  color: var(--accent);
  border-radius: 6px;
  cursor: pointer;
}

.clear-checklist:hover {
  background: #c7dafe;
}

.clinical-intro, .actions-by-stage { background: var(--surface); border: 1px solid var(--border); padding: 1rem; border-radius: 10px; margin-bottom: 1rem; }

.checklist-table { width: 100%; border-collapse: collapse; margin: 1rem 0; }
.checklist-table th, .checklist-table td { border: 1px solid var(--border); padding: 0.6rem 0.8rem; vertical-align: top; }
.checklist-table th { background: #eff6ff; color: #1d4ed8; text-align: left; }
.checklist-table ul { margin: 0; padding-left: 1rem; }
.checklist-table li { margin: 0.25rem 0; }

.markdown-body { font-size: 1rem; line-height: 1.6; }

@media (max-width: 768px) {
  .site-header {
    flex-wrap: wrap;
    justify-content: space-between;
  }

  .site-nav-toggle {
    display: block;
  }

  .site-nav {
    display: none;
    flex-direction: column;
    width: 100%;
    margin-top: 0.75rem;
    padding-top: 0.5rem;
    border-top: 1px solid var(--border);
  }

  .site-nav.open {
    display: flex;
  }

  .site-nav a {
    margin: 0.4rem 0;
    padding: 0.35rem 0;
    font-size: 0.95rem;
  }

  .content {
    padding: 1rem;
    width: 100%;
  }

  h1 { font-size: 1.6rem; }
  h2 { font-size: 1.3rem; }

  .clear-checklist {
    width: 100%;
    padding-left: 0.85rem;
    padding-right: 0.85rem;
  }

  .site-footer {
    padding: 0.75rem 0.9rem;
    font-size: 0.9rem;
  }
}

@media (min-width: 769px) {
  .site-nav {
    display: flex;
    align-items: center;
  }

  .site-nav-toggle {
    display: none;
  }
  .site-nav a {
    margin-left: 0.75rem;
    margin-top: 0;
  }
}