* { box-sizing: border-box; }
body {
  margin: 0; min-height: 100vh; display: grid; place-items: center;
  font: 16px/1.4 system-ui, -apple-system, sans-serif; background: #f2f4f7; color: #1d2433;
  padding: 16px;
}
.card { width: 100%; max-width: 380px; background: #fff; border-radius: 14px; padding: 24px;
  box-shadow: 0 4px 24px rgba(0,0,0,.08); }
h1 { margin: 0 0 8px; font-size: 22px; }
label { display: block; margin: 12px 0 4px; font-size: 14px; color: #555; }
input { width: 100%; padding: 10px 12px; font-size: 16px; border: 1px solid #ccd; border-radius: 8px; margin-top: 4px; }
button { padding: 10px 16px; font-size: 15px; border: 0; border-radius: 8px; cursor: pointer;
  background: #e4e7ee; color: #1d2433; margin-top: 12px; }
button.green { background: #1f9d55; color: #fff; }
button.red { background: #d64545; color: #fff; }
button.link { background: none; padding: 0; margin: 0; color: #3562d0; font-size: 14px; }
#login button { width: 100%; background: #3562d0; color: #fff; }
#dial { display: flex; gap: 8px; align-items: flex-end; }
#dial input { flex: 1; }
.status { font-size: 14px; padding: 6px 10px; border-radius: 6px; display: inline-block; }
.status.off { background: #eee; color: #666; }
.status.ok { background: #e3f6ea; color: #17733f; }
.status.warn { background: #fff4d6; color: #8a6100; }
.status.err { background: #fde8e8; color: #a12626; }
.incoming { background: #fff4d6; border-radius: 10px; padding: 12px; margin-top: 16px; animation: pulse 1s infinite alternate; }
@keyframes pulse { from { box-shadow: 0 0 0 0 rgba(255,180,0,.4); } to { box-shadow: 0 0 0 8px rgba(255,180,0,0); } }
.me { font-size: 14px; color: #555; }