:root{
  --bg: #0b1220;
  --card: rgba(255,255,255,.06);
  --border: rgba(255,255,255,.10);
  --text: rgba(255,255,255,.92);
  --muted: rgba(255,255,255,.70);

  --ok: #20c997;
  --warn: #ffd43b;
  --bad: #ff6b6b;

  --btn: rgba(255,255,255,.08);
  --btnHover: rgba(255,255,255,.12);
  --stop: #d11d53;
  --stopHover: #b51745;
}

* { box-sizing: border-box; }

html, body {
  height: 100%;
  margin: 0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial;
  background:
    radial-gradient(1200px 700px at 20% 10%, rgba(59,130,246,.25), transparent 55%),
    radial-gradient(900px 600px at 80% 30%, rgba(236,72,153,.20), transparent 50%),
    var(--bg);
  color: var(--text);

  touch-action: manipulation;
  -webkit-user-select: none;
  user-select: none;
}

.app{
  min-height: 100%;
  display: grid;
  place-items: center;
  padding: 18px;
}

.top{
  width: min(720px, 100%);
  display: flex;
  gap: 16px;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 14px;
}

.title{
  margin: 0;
  font-size: 26px;
  letter-spacing: .3px;
}

.subtitle{
  margin: 6px 0 0;
  color: var(--muted);
  font-size: 14px;
}

.meta{
  display: grid;
  gap: 8px;
  min-width: 220px;
}

.metaRow{
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.metaLabel{
  color: var(--muted);
  font-size: 13px;
}

.badge{
  font-size: 12px;
  padding: 6px 10px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: rgba(255,255,255,.05);
  color: var(--text);
  white-space: nowrap;
}
.badge.is-ok{ border-color: rgba(32,201,151,.4); }
.badge.is-warn{ border-color: rgba(255,212,59,.4); }
.badge.is-bad{ border-color: rgba(255,107,107,.4); }

.card{
  width: min(720px, 100%);
  border: 1px solid var(--border);
  background: var(--card);
  border-radius: 18px;
  padding: 16px;
  backdrop-filter: blur(12px);
  box-shadow: 0 14px 40px rgba(0,0,0,.35);
}

.cardTitle{
  margin: 0 0 12px;
  font-size: 16px;
  color: var(--muted);
  font-weight: 600;
  letter-spacing: .2px;
}

.cardText{
  margin: 0 0 12px;
  font-size: 12px;
  color: var(--text);
  font-weight: 600;
  letter-spacing: .2px;
}

/* D-pad */
.pad{
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 12px;
  width: 100%;
  max-width: 420px;
  margin: 10px auto 6px;
}

.pad > span { height: 0; }

.btn{
  height: 76px;
  width: 100%;
  border-radius: 14px;
  border: 1px solid var(--border);
  background: var(--btn);
  color: var(--text);
  font-size: 16px;
  font-weight: 600;
  letter-spacing: .2px;
  cursor: pointer;
  transition: transform .06s ease, background .15s ease, border-color .15s ease;
}

.btn:hover { background: var(--btnHover); }

.btn:active { transform: scale(.97); }

.btnStop{
  background: var(--stop);
  border-color: rgba(255,255,255,.18);
}
.btnStop:hover{ background: var(--stopHover); }

.logWrap{
  margin-top: 14px;
}

.logHeader{
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 8px;
}

.logTitle{
  margin: 0;
  font-size: 14px;
  color: var(--muted);
  font-weight: 600;
}

.chip{
  border: 1px solid var(--border);
  background: rgba(255,255,255,.06);
  color: var(--text);
  border-radius: 999px;
  padding: 6px 10px;
  font-size: 12px;
  cursor: pointer;
}
.chip:hover{ background: rgba(255,255,255,.10); }

.log{
  margin: 0;
  padding: 12px;
  border-radius: 14px;
  border: 1px solid var(--border);
  background: rgba(0,0,0,.25);
  min-height: 92px;
  font-size: 12px;
  line-height: 1.35;
  color: rgba(255,255,255,.85);
  overflow: hidden; /* no endless scroll */
}

/* Mobile layout tweaks */
@media (max-width: 640px){
  .top{
    flex-direction: column;
    align-items: stretch;
  }
  .meta{
    min-width: unset;
  }
  .btn{
    height: 70px;
    font-size: 15px;
  }
}