.tool-box{
  --bg: #eef1fb; --panel: #ffffff; --panel-2: #dfe3f7; --line: #c2c9f0;
  --accent: #4338ca; --accent-soft: #d6d9f6; --accent-dim: #eef0fc;
  --text: #1e1a4a; --muted: #5f5c8f; --muted-2: #9a97c9; --bad: #b3402f;
}

.tool-box .fields{ display: grid; grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); gap: 14px; margin-bottom: 16px; }
.tool-box .field label{ display: block; font-size: 12px; font-weight: 600; color: var(--muted); margin-bottom: 6px; }
.tool-box .field input, .tool-box .field select{ width: 100%; padding: 10px 12px; border: 1px solid var(--line); border-radius: 8px; font-size: 13.5px; background: var(--panel); color: var(--text); box-sizing: border-box; font-family: 'JetBrains Mono', monospace; }
.tool-box .field input:focus, .tool-box .field select:focus{ outline: none; border-color: var(--accent); }

.tool-box .grid{ display: grid; grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); gap: 12px; margin-top: 8px; }
.tool-box .card11{ background: var(--panel-2); border: 1px solid var(--line); border-radius: 10px; padding: 14px; }
.tool-box .card11 h3{ margin: 0 0 6px; font-size: 11px; font-weight: 700; text-transform: uppercase; letter-spacing: .4px; color: var(--muted); }
.tool-box .card11 p{ margin: 0; font-size: 17px; font-weight: 800; color: var(--accent); font-family: 'JetBrains Mono', monospace; word-break: break-all; }
.tool-box .card11 p.error{ color: var(--bad); font-size: 13px; font-weight: 600; }