.tool-box{
  --bg: #f6f8f8; --panel: #ffffff; --panel-2: #f0f4f4; --line: #e1e8e7;
  --accent: #0f766e; --accent-soft: #d7ede9; --accent-dim: #f0f8f7;
  --text: #172725; --muted: #5b736f; --muted-2: #98aeaa; --bad: #b3402f;
}

/* PANEL — everything lives in one unified card */
.rbpg-panel{
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 14px;
  overflow: hidden;
  margin-top: 20px;
}

/* CONTROLS */
.rbpg-controls{
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  padding: 18px 20px;
  background: var(--panel-2);
  border-bottom: 1px solid var(--line);
}

.rbpg-field{ display: flex; flex-direction: column; gap: 6px; }
.rbpg-field label{
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .5px;
  text-transform: uppercase;
  color: var(--muted);
}

.rbpg-input{
  padding: 15px 16px;
  border: 2px solid var(--line);
  border-radius: 10px;
  width: 120px;
  text-align: center;
  font-family: 'JetBrains Mono', monospace;
  font-size: 22px;
  font-weight: 700;
  background: var(--panel);
  color: var(--text);
  transition: box-shadow .15s ease, border-color .15s ease;
}
.rbpg-input:focus{ outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); }

.rbpg-btn{
  padding: 12px 26px;
  border: none;
  background: var(--accent);
  color: #fff;
  border-radius: 8px;
  cursor: pointer;
  font-weight: 700;
  font-size: 13.5px;
  font-family: 'Inter', sans-serif;
  white-space: nowrap;
  transition: filter .15s ease, transform .12s ease;
}
.rbpg-btn:hover{ filter: brightness(1.08); transform: translateY(-1px); }
.rbpg-btn:active{ transform: translateY(0); }
.rbpg-btn[disabled]{ opacity: .6; cursor: not-allowed; transform: none; }

.rbpg-spinner{ display: inline-block; width: 13px; height: 13px; border: 2px solid #fff; border-right-color: transparent; border-radius: 50%; animation: rbpg-spin .7s linear infinite; vertical-align: middle; margin-right: 7px; }
@keyframes rbpg-spin{ to{ transform: rotate(360deg); } }

/* SUMMARY BAR */
.rbpg-summary{
  display: none;
  align-items: center;
  justify-content: space-between;
  padding: 10px 20px;
  border-bottom: 1px solid var(--line);
  background: var(--accent-dim);
}
.rbpg-summary.show{ display: flex; }
.rbpg-summary-text{ font-size: 12px; font-weight: 700; color: var(--muted); letter-spacing: .2px; }
.rbpg-copyall-btn{
  padding: 6px 12px;
  font-size: 11.5px;
  font-weight: 700;
  border: 1px solid var(--line);
  background: var(--panel);
  color: var(--accent);
  border-radius: 6px;
  cursor: pointer;
  transition: border-color .15s ease, background .15s ease;
}
.rbpg-copyall-btn:hover{ border-color: var(--accent); background: var(--accent-soft); }

/* RESULTS GRID (small stat-style boxes) */
.rbpg-grid{
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 12px;
  padding: 20px;
}

@keyframes rbpg-fade{ from{ opacity: 0; transform: scale(.96); } to{ opacity: 1; transform: scale(1); } }

.rbpg-empty{ grid-column: 1 / -1; text-align: center; color: var(--muted-2); font-size: 13.5px; padding: 40px 20px; }

.rbpg-card{
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 8px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 18px 12px;
  box-shadow: 0 1px 2px rgba(23,39,37,.05);
  animation: rbpg-fade .25s ease-in;
  transition: transform .15s ease, box-shadow .15s ease;
}
.rbpg-card:hover{ transform: translateY(-3px); box-shadow: 0 10px 20px rgba(23,39,37,.1); }

.rbpg-card-icon{
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--accent-soft);
  color: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.rbpg-card-icon svg{ width: 22px; height: 22px; }

.rbpg-card-name{ font-size: 14px; font-weight: 700; color: var(--text); }

.rbpg-card-copy{
  margin-top: 2px;
  padding: 5px 14px;
  font-size: 11px;
  font-weight: 700;
  border: none;
  background: var(--panel-2);
  color: var(--muted);
  border-radius: 20px;
  cursor: pointer;
  transition: background .15s ease, color .15s ease;
}
.rbpg-card-copy:hover{ background: var(--accent); color: #fff; }
.rbpg-card-copy.rbpg-copied{ background: var(--accent); color: #fff; }