.rt-pro-container { max-width:520px; margin:18px auto; font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial; padding:12px; border-radius:10px; box-shadow:0 6px 18px rgba(0,0,0,0.08); background: #fff; }
.rt-pro-title { text-align:center; margin-bottom:12px; font-size:20px; }
.rt-controls label { display:block; font-weight:600; margin-top:8px; }
.rt-input-row { display:flex; align-items:center; gap:8px; margin-top:6px; }
.rt-input-row input[type=number] { width:110px; font-size:18px; padding:8px; text-align:center; border-radius:8px; border:1px solid #ddd; }
.rt-input-row button { width:46px; height:46px; border-radius:8px; font-size:20px; border:none; background:#007bff; color:#fff; }
.rt-extra { margin-top:12px; display:flex; gap:8px; align-items:center; flex-wrap:wrap; }
.rt-big-btn { padding:14px 18px; font-size:18px; border-radius:10px; border:none; background:#007bff; color:#fff; cursor:pointer; }
.rt-secondary { background:#6c757d; }
.rt-danger { background:#dc3545; }
.rt-screen { margin-top:18px; text-align:center; }
.rt-phase { font-size:26px; font-weight:700; }
.rt-timer { font-size:48px; margin-top:6px; }
.rt-round { font-size:16px; margin-top:6px; color:#555; }
progress { width:100%; height:14px; margin-top:12px; }
@media (max-width:600px){ .rt-pro-container { padding:10px; } .rt-input-row input[type=number]{ width:80px; } .rt-timer{ font-size:40px; } }