body{margin:0;font-family:system-ui;background:#121212;color:#fff}
.header{text-align:center;padding:16px}
.subtitle{color:#ccc;font-size:14px}
.weekdays{display:grid;grid-template-columns:repeat(7,1fr);background:#1e1e1e;text-align:center;font-weight:600;padding:6px 0}
.calendar{display:grid;grid-template-columns:repeat(7,1fr);grid-auto-rows:110px}
.day{border:1px solid #1f1f1f;padding:6px}
.day-number{color:#bbb;font-size:14px;margin-bottom:4px}
.badge{padding:4px 6px;border-radius:6px;font-size:12px;text-align:center;color:#fff}
.M{background:#e74c3c}.P{background:#3498db}.N{background:#2ecc71}.RC{background:#9b59b6}.RN{background:#1e8449}.ON{background:#f39c12}