body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
            background-color: #f5f5f7;
            margin: 20px;
            display: flex;
            justify-content: center;
            align-items: flex-start;
        }
        .container {
            display: flex;
            max-width: 1200px;
            width: 100%;
        }
        .inputs-container {
            flex: 2;
            margin-right: 20px;
        }
        .input-box {
            margin-bottom: 15px;
        }
        textarea {
            width: 100%;
            font-size: 18px;
            padding: 12px;
            box-sizing: border-box;
            border: 1px solid #d1d1d6;
            border-radius: 12px;
            background-color: #fff;
            box-shadow: 0 1px 3px rgba(0,0,0,0.1);
            resize: vertical;
        }
        button.action-btn {
            font-size: 18px;
            padding: 12px 20px;
            background-color: #007aff;
            color: white;
            border: none;
            border-radius: 10px;
            cursor: pointer;
            transition: background-color 0.2s;
            margin-right: 10px;
            margin-bottom: 10px;
        }
        button.action-btn:hover {
            background-color: #0051a8;
        }
        .keyboard-container {
            flex: 1;
            background-color: #fff;
            border-radius: 12px;
            padding: 20px;
            box-shadow: 0 4px 10px rgba(0,0,0,0.05);
        }
        .keyboard-container h3 {
            margin-top: 0;
            font-weight: 600;
            text-align: center;
            margin-bottom: 20px;
        }
        .keyboard-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 10px;
            margin-bottom: 20px;
        }
        .keyboard-grid button {
            font-size: 22px;
            padding: 15px;
            background-color: #f2f2f7;
            border: 1px solid #d1d1d6;
            border-radius: 12px;
            cursor: pointer;
            transition: background-color 0.2s, box-shadow 0.2s;
        }
        .keyboard-grid button:hover {
            background-color: #e5e5ea;
            box-shadow: 0 2px 6px rgba(0,0,0,0.1);
        }
        .empty-cell {
            background-color: transparent;
            border: none;
            pointer-events: none;
        }
        .truth-table-container {
            margin-top: 20px;
            overflow-x: auto;
            border-radius: 12px;
            background-color: #fff;
            box-shadow: 0 4px 10px rgba(0,0,0,0.05);
            padding: 20px;
        }
        .truth-table {
            width: 100%;
            border-collapse: collapse;
            text-align: center;
            font-size: 16px;
            color: #333;
            border-radius: 12px;
            overflow: hidden;
        }
        .truth-table th, .truth-table td {
            padding: 10px;
            border: 1px solid #d1d1d6;
            background-color: #f9f9f9;
        }
        .truth-table th {
            background-color: #f2f2f7;
            font-weight: 600;
        }
        .truth-table tr:nth-child(even) td {
            background-color: #fafafa;
        }
        input.correcto {
            background-color: #dff0d8;
            border-color: #3c763d;
            color: #3c763d;
        }
        input.incorrecto {
            background-color: #f2dede;
            border-color: #a94442;
            color: #a94442;
        }
        input.correcto, input.incorrecto {
            transition: background-color 0.2s ease, border-color 0.2s ease, color 0.2s ease;
        }
        th.correcto, td.correcto {
            background-color: #dff0d8;
            border: 1px solid #3c763d;
            color: #3c763d;
        }
        th.incorrecto, td.incorrecto {
            background-color: #f2dede;
            border: 1px solid #a94442;
            color: #a94442;
        }
































.col-control, .row-header {
    user-select: none;
    background-color: #95c8ff !important;
}
.corner-control{
    user-select: none;
    background-color: transparent !important;
      border: 1px transparent !important;
}
.corner-title{
    user-select: none;
    background-color: transparent !important;
      border: 1px transparent !important;
}