:root {
  color-scheme: light;
  --bg: #f6f3ee;
  --panel: #fbfaf7;
  --ink: #111111;
  --muted: #5b5955;
  --line: rgba(17, 17, 17, 0.2);
  --line-strong: rgba(17, 17, 17, 0.48);
}

* { box-sizing: border-box; }
html { font-family: 'JetBrains Mono', monospace; background: var(--bg); color: var(--ink); }
body { margin: 0; min-height: 100vh; }
a { color: inherit; }
button, input, select, textarea { font: inherit; }

.skip-link {
  position: absolute;
  left: 1rem;
  top: -3rem;
  background: #111;
  color: #fff;
  padding: 0.75rem 1rem;
}

.skip-link:focus { top: 1rem; }

.page-shell { max-width: 1360px; margin: 0 auto; padding: 1.5rem; }

.topbar, .hero, .panel, .session-card, .agenda-card, .share-card, .calendar-card, .protocol-card {
  border: 1px solid var(--line-strong);
  background: var(--panel);
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem 1.25rem;
}

.brand { text-decoration: none; display: grid; gap: 0.2rem; }
.brand-mark { font-size: 1.25rem; font-weight: 800; }
.brand-copy, .eyebrow, .field-label, .inline-status { text-transform: uppercase; letter-spacing: 0.08em; font-size: 0.78rem; }

.topnav { display: flex; gap: 1rem; flex-wrap: wrap; }
.account-button, .primary-button, .secondary-button {
  border: 1px solid var(--ink);
  background: var(--ink);
  color: #fff;
  padding: 0.9rem 1.1rem;
  cursor: pointer;
}
.secondary-button { background: transparent; color: var(--ink); }

.hero, .manage-grid, .feeds-grid {
  display: grid;
  gap: 1rem;
  margin-top: 1rem;
}

.hero {
  grid-template-columns: minmax(0, 1.25fr) minmax(320px, 0.85fr);
  padding: 1.2rem;
}

.manage-grid, .feeds-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.hero-copy, .status-panel, .panel { display: grid; gap: 1rem; }
.panel { padding: 1rem; }
.session-card, .agenda-card, .share-card, .calendar-card, .protocol-card { padding: 1rem; }

.hero h1, .section-heading h2 {
  margin: 0;
  font-size: clamp(2rem, 4vw, 3.3rem);
  line-height: 1.05;
}

.compact h2 { font-size: 1.5rem; }
.lede, .session-text { color: var(--muted); line-height: 1.7; }

.stack-form { display: grid; gap: 0.85rem; }
.form-grid { display: grid; gap: 0.85rem; grid-template-columns: repeat(2, minmax(0, 1fr)); }
.field-input {
  width: 100%;
  min-height: 3.25rem;
  border: 1px solid var(--ink);
  background: #fff;
  padding: 0.9rem 1rem;
}

.agenda-list, .calendar-list, .share-list {
  display: grid;
  gap: 0.85rem;
}

.agenda-card h3, .calendar-card h3, .share-card h3, .protocol-card p { margin: 0; }
.agenda-card p, .calendar-card p, .share-card p { margin: 0.35rem 0 0; color: var(--muted); line-height: 1.6; }
.share-actions { display: flex; gap: 0.5rem; flex-wrap: wrap; margin-top: 0.75rem; }

.inline-status[data-kind='error'] { color: #7a2314; }
.inline-status[data-kind='success'] { color: #145a32; }

:focus-visible {
  outline: 2px solid #0d62ff;
  outline-offset: 2px;
}

@media (max-width: 980px) {
  .hero,
  .manage-grid,
  .feeds-grid,
  .form-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 760px) {
  .page-shell { padding: 1rem; }
  .topbar { flex-direction: column; align-items: start; }
}