:root{--bg:#f7f9fb;--card:#fff;--muted:#666;--accent:#1f6feb}
*{box-sizing:border-box;font-family:Inter,Segoe UI,Helvetica,Arial,sans-serif}
body{margin:0;background:var(--bg);color:#111}
.container{max-width:820px;margin:36px auto;padding:20px}
h1{margin:0 0 18px;font-size:20px}
.card{background:var(--card);padding:14px;border-radius:8px;box-shadow:0 1px 2px rgba(16,24,40,0.04);margin-bottom:12px}
.controls{display:flex;gap:12px;align-items:center}
button{background:var(--accent);color:#fff;border:0;padding:10px 14px;border-radius:8px;cursor:pointer}
button:hover{opacity:.95}
.status{color:var(--muted);font-size:13px}
.phone-item{padding:10px;border-top:1px dashed #eee}
.phone-item:first-child{border-top:0}
.error{color:#8b0000}
.suggest{margin-top:6px;color:var(--muted);font-size:13px}