/* Equation Solver Styles - Math/Academic Theme */
.calcufacil-equation_solver_calculator.calcufacil-container {
    max-width: 900px; margin: 20px auto; background: #fff; padding: 20px;
    border-radius: 8px; box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
    display: flex; flex-wrap: wrap; gap: 30px; font-family: Arial, sans-serif;
}
.calcufacil-equation_solver_calculator h3 {
    width: 100%; text-align: center; color: #4a67a8; /* Muted Blue */
    margin-bottom: 20px; font-size: 24px;
}
.calcufacil-equation_solver_calculator .calcufacil-left,
.calcufacil-equation_solver_calculator .calcufacil-right {
    flex: 1; min-width: 300px;
}
/* Form */
.calcufacil-equation_solver_calculator .calculator-form h2 { font-size: 20px; color: #4a67a8; margin-bottom: 15px; }
.calcufacil-equation_solver_calculator .input-group { margin-bottom: 15px; }
.calcufacil-equation_solver_calculator label { display: block; font-weight: bold; color: #333; margin-bottom: 5px; font-size: 14px; }
.calcufacil-equation_solver_calculator label i { font-style: italic; color: #007bff; } /* Style coefficients */
.calcufacil-equation_solver_calculator input[type="text"] { /* Pattern used for numbers */
    width: 100%; padding: 10px; border: 1px solid #ccc; border-radius: 4px;
    box-sizing: border-box; font-size: 16px; background: #f9f9f9;
}
.calcufacil-equation_solver_calculator .radio-group.inline label { display: inline-block; margin-right: 15px; font-weight: normal; font-size: 14px; cursor: pointer; }
.calcufacil-equation_solver_calculator .radio-group.inline input[type="radio"] { margin-right: 4px; vertical-align: middle; }
.calcufacil-equation_solver_calculator .coefficients-area {
    display: grid; grid-template-columns: repeat(auto-fit, minmax(120px, 1fr)); gap: 15px;
    margin-top: 10px; padding: 10px; background: #f8f9fa; border-radius: 4px;
}

.calcufacil-equation_solver_calculator button {
    background-color: #5a81bb; color: #fff; padding: 12px 20px; border: none; border-radius: 4px;
    cursor: pointer; font-size: 16px; width: 100%; transition: background-color 0.3s ease; margin-top: 15px;
}
.calcufacil-equation_solver_calculator button:hover { background-color: #4a67a8; }
/* Results */
.calcufacil-equation_solver_calculator .results { background: #f0f4f8; padding: 25px; border-radius: 8px; border: 1px solid #d0d9e0; }
.calcufacil-equation_solver_calculator .results-header { text-align: center; margin-bottom: 15px; }
.calcufacil-equation_solver_calculator .results-header h2 { font-size: 20px; color: #3a5078; margin: 0; }
.calcufacil-equation_solver_calculator .equation-display {
    text-align: center; font-size: 1.2em; color: #444; margin-bottom: 20px;
    background-color: #fff; padding: 10px; border-radius: 4px; border: 1px solid #e0e5ea;
}
.calcufacil-equation_solver_calculator .equation-display strong { font-family: 'Times New Roman', Times, serif; color: #3a5078; }
.calcufacil-equation_solver_calculator .results-breakdown { display: flex; flex-direction: column; gap: 10px; margin-bottom: 15px; }
.calcufacil-equation_solver_calculator .breakdown-item {
    padding: 10px 15px; background: #fff; border-radius: 4px; font-size: 14px; color: #333;
    border-left: 3px solid #7a9bc5; display: flex; justify-content: space-between; align-items: center;
}
.calcufacil-equation_solver_calculator .breakdown-item span:last-child { font-weight: bold; color: #3a5078; text-align: right; font-size: 1.2em; }
.calcufacil-equation_solver_calculator .breakdown-item.main-result { background-color: #dde5f0; padding: 15px; font-weight: bold; border-left-color: #5a81bb; }
.calcufacil-equation_solver_calculator .breakdown-item.main-result span:first-child { font-size: 16px; }
.calcufacil-equation_solver_calculator .breakdown-item.main-result span:last-child { font-size: 1.8em; color: #2a3b58; }
.calcufacil-equation_solver_calculator .breakdown-item.main-result.alt span:last-child { font-size: 1.6em; }
.calcufacil-equation_solver_calculator .breakdown-item.details span:last-child { font-size: 1em; font-style: italic; }

.calcufacil-equation_solver_calculator .errors { color: #721c24; background-color: #f8d7da; border: 1px solid #f5c6cb; padding: 10px 15px; border-radius: 4px; margin-top: 15px; }
.calcufacil-equation_solver_calculator .errors ul { list-style: none; padding: 0; margin: 0; }
.calcufacil-equation_solver_calculator .errors li { margin-bottom: 5px; }
.calcufacil-equation_solver_calculator .errors li:last-child { margin-bottom: 0; }