.stp-measurement { box-sizing: border-box; max-width: 760px; margin: 16px auto; padding: 20px; border: 1px solid #c7d2e4; border-radius: 8px; background: #fff; color: #152238; font: 14px/1.5 system-ui, sans-serif; text-align: left; }
.stp-measurement[hidden] { display: none !important; }
.stp-measurement p { margin: 10px 0; font: inherit; color: inherit; }
.stp-measurement a { color: #2148b8; text-decoration: underline; }
.stp-measurement-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 12px; }
.stp-measurement button, .stp-measurement-preferences button { width: auto; min-height: 44px; padding: 10px 16px; border: 1px solid #67768c; border-radius: 4px; background: #fff; color: #152238; font: 14px/1.4 system-ui, sans-serif; cursor: pointer; }
.stp-measurement button:focus-visible, .stp-measurement-preferences button:focus-visible { outline: 3px solid #2455fb; outline-offset: 3px; }
.stp-measurement-preferences { padding: 16px; text-align: center; }
@media (max-width: 800px) { .stp-measurement { margin: 12px; } }