:root {
  --accent: #3788d8;
  --danger: #c0392b;
  --border: #d0d7de;
  --muted: #6b7280;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

* { box-sizing: border-box; }

html, body { height: 100%; margin: 0; }

body {
  display: flex;
  flex-direction: column;
  background: #f6f8fa;
  color: #1f2328;
}

button {
  font: inherit;
  padding: 0.45rem 0.9rem;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: #fff;
  cursor: pointer;
}
button.primary { background: var(--accent); border-color: var(--accent); color: #fff; }
button.danger { color: var(--danger); border-color: var(--danger); }

input, textarea {
  font: inherit;
  width: 100%;
  padding: 0.45rem 0.6rem;
  border: 1px solid var(--border);
  border-radius: 6px;
}
input[type="checkbox"] { width: auto; }
input[type="color"] { width: 3rem; height: 2.2rem; padding: 0.1rem; }

label { display: block; margin-bottom: 0.8rem; font-size: 0.9rem; }
label.check { display: flex; align-items: center; gap: 0.5rem; }

.muted { color: var(--muted); }
.error { color: var(--danger); }
.inline { display: inline; }
[hidden] { display: none !important; }

/* Login */
body.login { align-items: center; justify-content: center; }
.card {
  width: min(360px, 92vw);
  padding: 2rem;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 10px;
}
.card h1 { margin: 0; }
.card button { width: 100%; margin-top: 0.5rem; }
a.button {
  display: block;
  padding: 0.55rem 0.9rem;
  border: 1px solid var(--border);
  border-radius: 6px;
  text-align: center;
  text-decoration: none;
  color: inherit;
  font-weight: 500;
}
a.button:hover { background: #f6f8fa; }
.divider { text-align: center; font-size: 0.85rem; margin: 1rem 0; }

/* Calendario */
.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.6rem 1rem;
  background: #fff;
  border-bottom: 1px solid var(--border);
}
.topbar div { display: flex; gap: 0.5rem; align-items: center; }
.topbar a.button { padding: 0.45rem 0.9rem; font-weight: normal; }
.banner { margin: 0; padding: 0.6rem 1rem; background: #fdecea; }

#calendar {
  flex: 1;
  min-height: 0;
  padding: 1rem;
  background: #fff;
}

@media (max-width: 700px) {
  #calendar { padding: 0.5rem; }
  .fc .fc-toolbar { flex-direction: column; gap: 0.5rem; }
}

/* Dialog evento */
dialog {
  width: min(480px, 94vw);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 1.5rem;
}
dialog::backdrop { background: rgb(0 0 0 / 0.35); }
dialog h2 { margin-top: 0; }
.row { display: flex; gap: 0.8rem; }
.row label { flex: 1; }
.actions { display: flex; gap: 0.5rem; margin-top: 0.5rem; }
.spacer { flex: 1; }