.readings-history{background:#fff;border:1px solid #e1e5e9;border-radius:8px;margin-top:1rem;overflow:hidden;box-shadow:0 2px 4px #0000000f}.readings-table{border-collapse:collapse;table-layout:fixed;width:100%}.readings-table thead{background:#f7fafc}.readings-table th,.readings-table td{text-align:left;vertical-align:middle;border-bottom:1px solid #edf2f7;padding:10px 12px;font-size:.95rem}.readings-table th{color:#6b7280;text-transform:uppercase;letter-spacing:.02em;font-size:.75rem;font-weight:600}.readings-table tbody tr:last-child td{border-bottom:none}.readings-table .muted{color:#6b7280}.readings-table .center{text-align:center}.recent-entries h4{color:#1a202c;margin:1rem 0 .5rem;font-size:1rem}.pressure-entry-layout{grid-template-columns:1fr;gap:1.25rem;display:grid}@media (min-width:900px){.pressure-entry-layout{grid-template-columns:1fr 1fr}}