:root{--blue: #083f87;--bg: #f7f9fc;--text: #1a1a1a;--muted: #5a6572;--border: #d5dce4;--error: #b3261e;--success: #1b7a3d}*{box-sizing:border-box}body{margin:0;font-family:-apple-system,Segoe UI,Roboto,Arial,sans-serif;background:var(--bg);color:var(--text)}.screen{max-width:480px;margin:0 auto;padding:24px 20px 96px}h1{font-size:1.4rem;color:var(--blue)}.hint{color:var(--muted);font-size:.95rem}form,.screen{display:flex;flex-direction:column;gap:14px}label{display:flex;flex-direction:column;gap:6px;font-size:.95rem;font-weight:600}label.checkbox{flex-direction:row;align-items:center;gap:10px}input,select{font-size:1rem;padding:12px;border:1px solid var(--border);border-radius:8px;background:#fff}input[type=checkbox]{width:22px;height:22px}button{font-size:1.05rem;font-weight:600;padding:14px;border:none;border-radius:10px;background:var(--blue);color:#fff;cursor:pointer}button:disabled{opacity:.6}button.start{background:var(--success)}button.stop{background:var(--error)}.link-button{background:none;color:var(--muted);font-weight:400;font-size:.95rem;padding:8px;text-decoration:underline}.error{color:var(--error);font-size:.95rem}.success{color:var(--success);font-size:.95rem}.elapsed{font-size:3rem;font-variant-numeric:tabular-nums;text-align:center;margin:8px 0;color:var(--blue)}.running-address{text-align:center;color:var(--muted)}.auth-screen{padding-top:15vh}.tabbar{position:fixed;bottom:0;left:0;right:0;display:flex;justify-content:space-around;align-items:center;background:#fff;border-top:1px solid var(--border);padding:10px 6px calc(10px + env(safe-area-inset-bottom))}.tabbar a{color:var(--muted);text-decoration:none;font-size:.95rem;padding:6px 10px}.tabbar a.active{color:var(--blue);font-weight:700}.entries{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:10px}.entries li{background:#fff;border:1px solid var(--border);border-radius:10px;padding:12px;display:flex;justify-content:space-between;align-items:center;gap:8px}.entries li div{display:flex;flex-direction:column;gap:4px}.entries li span{color:var(--muted);font-size:.9rem}