/* Styles for Integer Factor Finder Calculator */
.calcufacil-integer_factor_finder.calcufacil-container {
    max-width: 750px; margin: 25px auto; background: #fdfdfd; padding: 25px;
    border-radius: 10px; box-shadow: 0 4px 15px rgba(0,0,0,0.08);
    display: flex; flex-direction: row; flex-wrap: wrap; gap: 30px;
    font-family: 'Arial', sans-serif; border: 1px solid #5E35B1; /* Deep Purple for math */
    box-sizing: border-box;
}
.calcufacil-integer_factor_finder.calcufacil-container *,
.calcufacil-integer_factor_finder.calcufacil-container *::before,
.calcufacil-integer_factor_finder.calcufacil-container *::after { box-sizing: border-box; }

.calcufacil-integer_factor_finder h2 {
    width: 100%; text-align: center; color: #4527A0; /* Darker Purple */
    margin-top:0; margin-bottom: 15px; font-size: 1.6em;
}
.calcufacil-integer_factor_finder .calcufacil-left.calculator-form {
    flex: 1; min-width: 280px; max-width:350px; padding: 20px; background-color: #fff;
    border-radius: 8px; box-shadow: 0 2px 8px rgba(0,0,0,0.05); border: 1px solid #EDE7F6;
}
.calcufacil-integer_factor_finder .calcufacil-right.results {
    flex: 1.2; min-width: 320px; background: #EDE7F6; /* Lightest Purple */
    padding: 25px; border-radius: 8px; border: 1px solid #D1C4E9; /* Light Purple */
    box-shadow: 0 2px 8px rgba(0,0,0,0.05); display: flex; flex-direction: column;
    justify-content: flex-start; align-items: center;
}

.calcufacil-integer_factor_finder .input-group { margin-bottom: 20px; }
.calcufacil-integer_factor_finder label {
    display: block; font-weight: 600; color: #311B92; /* Deepest Purple */
    margin-bottom: 8px; font-size: 1em;
}
.calcufacil-integer_factor_finder input[type="text"] {
    width: 100%; padding: 12px 15px; border: 1px solid #B39DDB; /* Medium Purple border */
    border-radius: 5px; font-size: 1.1em; background: #F9F5FF; font-family: Consolas, Monaco, monospace;
    text-align: center;
}
.calcufacil-integer_factor_finder input[type="text"]:focus {
    border-color: #673AB7; box-shadow: 0 0 0 3px rgba(103, 58, 183, 0.25); outline: none;
}
.calcufacil-integer_factor_finder .note { font-size: 0.85em; color: #512DA8; margin-bottom:15px; line-height: 1.4; text-align: center;}


.calcufacil-integer_factor_finder button[type="submit"] {
    background-color: #673AB7; /* Deep Purple */ color: #fff; padding: 12px 25px;
    border: none; border-radius: 5px; cursor: pointer; font-size: 1.05em;
    width: 100%; transition: background-color 0.3s ease; font-weight: 600; margin-top:10px;
}
.calcufacil-integer_factor_finder button[type="submit"]:hover { background-color: #512DA8; }

/* Results Styling */
.calcufacil-integer_factor_finder .results-header h2 { color: #4527A0; margin-bottom: 20px; font-size: 1.4em; }
.calcufacil-integer_factor_finder .results-header h4 { color: #512DA8; margin-top:15px; margin-bottom:8px; font-size:1.15em; text-align:left; border-bottom: 1px solid #B39DDB; padding-bottom: 4px;}
.calcufacil-integer_factor_finder .initial-message {
    text-align: center; color: #4527A0; font-style: italic; padding: 20px;
    background-color: #EDE7F6; border: 1px dashed #B39DDB; border-radius: 5px; width:100%;
}
.calcufacil-integer_factor_finder .calculation-summary { width: 100%; margin-bottom: 20px; text-align: left;}
.calcufacil-integer_factor_finder .calculation-desc { font-size: 1.1em; color: #311B92; margin-bottom: 15px; text-align:center; }
.calcufacil-integer_factor_finder .calculation-desc strong { font-weight: bold; }

.calcufacil-integer_factor_finder .result-section { margin-bottom: 20px; }
.calcufacil-integer_factor_finder .factor-list,
.calcufacil-integer_factor_finder .prime-factorization-display {
    font-size: 1.1em;
    color: #4527A0;
    background-color: #F9F5FF;
    padding: 10px 15px;
    border-radius: 5px;
    border: 1px solid #D1C4E9;
    word-wrap: break-word;
    line-height: 1.6;
}
.calcufacil-integer_factor_finder .prime-factorization-display sup {
    font-size: 0.7em;
    vertical-align: super;
    margin-left: 1px;
}


.calcufacil-integer_factor_finder .errors {
    color: #B71C1C; background-color: #FFEBEE; border: 1px solid #FFCDD2;
    padding: 10px 15px; border-radius: 4px; margin: 15px 0; text-align: center; width:100%;
}
.calcufacil-integer_factor_finder .errors ul { list-style: none; padding: 0; margin: 0; }

/* Responsive */
@media (max-width: 768px) {
    .calcufacil-integer_factor_finder.calcufacil-container { flex-direction: column; gap: 20px; padding: 15px; }
    .calcufacil-integer_factor_finder .calcufacil-left.calculator-form,
    .calcufacil-integer_factor_finder .calcufacil-right.results { min-width: unset; width: 100%; }
    .calcufacil-integer_factor_finder h2 { font-size: 1.4em; }
    .calcufacil-integer_factor_finder .results-header h2 { font-size: 1.25em; }
}