:root {
  --bg: #f7f6f1;
  --ink: #1f2a23;
  --muted: #6b7a6f;
  --line: #d8d6cd;
  --accent: #4a6b3a;
  --accent-ink: #fff;
  --danger: #a23b3b;
  --card: #fff;
}
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font: 16px/1.45 -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;
  color: var(--ink);
  background: var(--bg);
}
.muted { color: var(--muted); font-size: 0.9em; }
.hidden { display: none !important; }

/* Topbar */
.topbar {
  display: flex; justify-content: space-between; align-items: center;
  padding: 0.75rem 1rem; background: var(--card); border-bottom: 1px solid var(--line);
}
.topbar .brand { font-weight: 600; }
.topbar .who { display: flex; gap: 1rem; align-items: center; font-size: 0.9em; }
button.link {
  background: none; border: 0; color: var(--accent);
  padding: 0; font: inherit; cursor: pointer; text-decoration: underline;
}

main { padding: 1rem; max-width: 1200px; margin: 0 auto; }

/* Auth */
body.auth { display: flex; align-items: center; justify-content: center; min-height: 100vh; padding: 1rem; }
.card {
  background: var(--card); border: 1px solid var(--line); border-radius: 8px;
  padding: 2rem; width: 100%; max-width: 380px;
}
.card h1 { margin: 0 0 0.25rem; }
form label { display: block; margin: 0.85rem 0; font-size: 0.9em; color: var(--muted); }
form input, form select, form textarea {
  display: block; width: 100%; padding: 0.6rem 0.75rem; margin-top: 0.25rem;
  border: 1px solid var(--line); border-radius: 6px; background: #fff;
  font: inherit; color: var(--ink);
}
form button[type=submit] {
  display: block; width: 100%; padding: 0.7rem;
  background: var(--accent); color: var(--accent-ink); border: 0;
  border-radius: 6px; font: inherit; font-weight: 600; cursor: pointer;
  margin-top: 1rem;
}
.error {
  background: #fbeaea; border: 1px solid #e7c0c0; color: var(--danger);
  padding: 0.6rem 0.75rem; border-radius: 6px; margin-bottom: 0.5rem; font-size: 0.9em;
}

/* Modal */
.modal {
  position: fixed; inset: 0; background: rgba(20, 25, 22, 0.55);
  display: flex; align-items: center; justify-content: center; padding: 1rem; z-index: 50;
}
.modal-card {
  background: var(--card); border-radius: 10px; padding: 1.25rem 1.5rem;
  width: 100%; max-width: 460px; max-height: 90vh; overflow: auto;
}
.modal-card h2 { margin: 0 0 0.5rem; }
.modal-card .row { display: flex; gap: 0.5rem; }
.modal-card .row > label { flex: 1; }
.modal-card .actions {
  display: flex; gap: 0.5rem; justify-content: flex-end; margin-top: 1rem;
}
.modal-card .actions button {
  padding: 0.55rem 1rem; border-radius: 6px; border: 0; font: inherit; cursor: pointer;
}
.modal-card .actions button[type=submit] { background: var(--accent); color: #fff; font-weight: 600; }
.modal-card .actions button.ghost { background: #eee; }
.modal-card .actions button.danger { background: var(--danger); color: #fff; margin-right: auto; }

/* Calendar tweaks */
#calendar { background: var(--card); border: 1px solid var(--line); border-radius: 8px; padding: 0.5rem; }
.fc .fc-toolbar-title { font-size: 1.1rem; }
@media (max-width: 700px) {
  .topbar { padding: 0.6rem 0.75rem; }
  main { padding: 0.5rem; }
  .fc .fc-toolbar.fc-header-toolbar {
    flex-direction: column; gap: 0.4rem; margin-bottom: 0.5rem;
  }
}