:root {
  --bg: #f6f7fb;
  --card: #ffffff;
  --accent: #ff4d4d;
  --text: #222;
  --muted: #666;
}

body {
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial;
  background: linear-gradient(180deg,#eef2ff 0%, #f6f7fb 100%);
  color: var(--text);
  display: flex;
  align-items: center;
  justify-content: center;
  height: 100vh;
  margin: 0;
}

.card {
  background: var(--card);
  padding: 20px;
  border-radius: 12px;
  box-shadow: 0 8px 30px rgba(25, 40, 60, 0.08);
  width: min(820px, 100%); /* expanded to make room for side panel, responsive */
  text-align: center;
}

.title { font-size: 18px; margin: 0 0 12px 0; }

/* NO idle animation: light is dim by default; .on makes it bright during Morse pulses */
.light {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  margin: 8px auto 14px auto;
  background: var(--accent);
  /* dim / off default */
  opacity: 0.12;
  transform: scale(0.95);
  box-shadow: none;
  cursor: pointer;
}

/* Bright "on" state for Morse pulses */
.light.on {
  transform: scale(1.06);
  opacity: 1;
  box-shadow: 0 0 18px rgba(255,77,77,0.95), 0 0 32px rgba(255,77,77,0.45) inset;
}

/* layout: controls on left, side panel on right; image vertically aligned */
.main-row {
  display: flex;
  align-items: center; /* vertically align image with the number fields */
  gap: 16px;
  margin-top: 6px;
}
.controls { flex: 1; } /* let the controls take available space */

.side-info {
  width: 240px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  padding: 8px;
  box-sizing: border-box;
}
.side-info .side-text {
  font-size: 14px;
  color: var(--text);
  text-align: center;
}
.side-info .side-img {
  max-width: 100%;
  height: auto;
  display: block;
}

/* Responsive: stack on narrow screens */
@media (max-width: 700px) {
  .main-row {
    flex-direction: column;
    align-items: stretch;
  }
  .side-info {
    width: 100%;
    flex-direction: row;
    gap: 12px;
    align-items: center;
    justify-content: flex-start;
  }
  .side-info .side-text { text-align: left; }
  .side-info .side-img { width: 72px; }
}

.controls { display: grid; gap: 10px; margin-top: 6px; }
.row { display:flex; align-items:center; gap:8px; }
.label { width:36px; text-align:left; font-size:14px; color:var(--muted); }

input[type="number"] {
  -moz-appearance: textfield; appearance: textfield;
  width:100%; padding:8px 10px; font-size:16px; border-radius:8px; border:1px solid #e6e9f5; text-align:center;
}

.input-wrap { display:flex; gap:8px; align-items:center; flex:1; }

.dict-area { margin-top:12px; text-align:left; }
.dict-row { margin-top:8px; display:flex; gap:8px; align-items:center; }
.unit-label { font-size:13px; color:var(--muted); }
.unit-label input { width:70px; margin-left:6px; padding:6px; border-radius:6px; border:1px solid #e6e9f5; }

.status-row { margin-top:8px; display:flex; gap:8px; align-items:center; justify-content:space-between; }
.hash-out { font-size:12px; color:#333; font-family:monospace; }
.status { font-size:12px; color:var(--muted); }

.small-btn { font-size:12px; padding:6px 10px; border-radius:8px; border:none; background:#eef2ff; cursor:pointer; }