/* 1RM Estimator Styles - Adapted */
.calcufacil-one_rep_max_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-one_rep_max_calculator h3 {
    width: 100%; text-align: center; color: #343a40; /* Dark Gray - Fitness/Strength */
    margin-bottom: 20px; font-size: 24px;
}
.calcufacil-one_rep_max_calculator .calcufacil-left,
.calcufacil-one_rep_max_calculator .calcufacil-right {
    flex: 1; min-width: 300px;
}
/* Form */
.calcufacil-one_rep_max_calculator .calculator-form h2 { font-size: 20px; color: #343a40; margin-bottom: 15px; }
.calcufacil-one_rep_max_calculator .input-group { margin-bottom: 18px; }
.calcufacil-one_rep_max_calculator label { display: block; font-weight: bold; color: #333; margin-bottom: 5px; font-size: 14px; }
.calcufacil-one_rep_max_calculator input[type="number"],
.calcufacil-one_rep_max_calculator select {
    width: 100%; padding: 10px; border: 1px solid #ccc; border-radius: 4px;
    box-sizing: border-box; font-size: 16px; background: #f9f9f9;
}
.calcufacil-one_rep_max_calculator .radio-group.inline label { display: inline-block; margin-right: 15px; font-weight: normal; font-size: 14px; cursor: pointer; }
.calcufacil-one_rep_max_calculator .radio-group.inline input[type="radio"] { margin-right: 4px; vertical-align: middle; }
.calcufacil-one_rep_max_calculator select {
    appearance: none; -webkit-appearance: none; -moz-appearance: none;
    background-image: url('data:image/svg+xml;charset=US-ASCII,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20width%3D%22292.4%22%20height%3D%22292.4%22%3E%3Cpath%20fill%3D%22%23343A40%22%20d%3D%22M287%2069.4a17.6%2017.6%200%200%200-13-5.4H18.4c-5%200-9.3%201.8-12.9%205.4A17.6%2017.6%200%200%200%200%2082.2c0%205%201.8%209.3%205.4%2012.9l128%20127.9c3.6%203.6%207.8%205.4%2012.8%205.4s9.2-1.8%2012.8-5.4L287%2095c3.5-3.5%205.4-7.8%205.4-12.8%200-5-1.9-9.2-5.5-12.8z%22%2F%3E%3C%2Fsvg%3E');
    background-repeat: no-repeat; background-position: right 10px top 50%; background-size: 10px auto;
    padding-right: 30px;
}
.calcufacil-one_rep_max_calculator button {
    background-color: #495057; /* Darker Gray */ 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: 10px;
}
.calcufacil-one_rep_max_calculator button:hover { background-color: #343a40; /* Darkest Gray */ }
.calcufacil-one_rep_max_calculator .calculator-form .note { font-size: 12px; color: #666; margin-top: 15px; text-align: center; font-style: italic; }
/* Results */
.calcufacil-one_rep_max_calculator .results { background: #f8f9fa; padding: 25px; border-radius: 8px; border: 1px solid #dee2e6; }
.calcufacil-one_rep_max_calculator .results-header { text-align: center; margin-bottom: 20px; }
.calcufacil-one_rep_max_calculator .results-header h2 { font-size: 20px; color: #343a40; margin: 0; }
.calcufacil-one_rep_max_calculator .results-breakdown { display: flex; flex-direction: column; gap: 10px; margin-bottom: 20px; }
.calcufacil-one_rep_max_calculator .breakdown-item {
    display: flex; justify-content: space-between; align-items: center; padding: 10px 15px;
    background: #fff; border-radius: 4px; font-size: 14px; color: #333;
    border-left: 3px solid #6c757d; /* Medium Gray */
}
.calcufacil-one_rep_max_calculator .breakdown-item span:last-child { font-weight: bold; color: #343a40; text-align: right; font-size: 1.2em; }
.calcufacil-one_rep_max_calculator .breakdown-item.main-result { background-color: #e9ecef; padding: 15px; font-weight: bold; border-left-color: #495057; }
.calcufacil-one_rep_max_calculator .breakdown-item.main-result span:first-child { color: #333; font-size: 16px; }
.calcufacil-one_rep_max_calculator .breakdown-item.main-result span:last-child { font-size: 2em; color: #212529; /* Black */ }
/* Percentages Table */
.calcufacil-one_rep_max_calculator .results h4 { font-size: 16px; color: #495057; margin-top: 25px; margin-bottom: 10px; text-align: center; }
.calcufacil-one_rep_max_calculator .percentages-table { width: 100%; border-collapse: collapse; font-size: 13px; background-color: #fff; box-shadow: 0 1px 2px rgba(0,0,0,0.05); margin-bottom: 15px; }
.calcufacil-one_rep_max_calculator .percentages-table th,
.calcufacil-one_rep_max_calculator .percentages-table td { border: 1px solid #e9ecef; padding: 8px 10px; text-align: center; }
.calcufacil-one_rep_max_calculator .percentages-table thead th { background-color: #e9ecef; font-weight: bold; color: #495057; }
.calcufacil-one_rep_max_calculator .percentages-table tbody tr:nth-child(even) { background-color: #f8f9fa; }
.calcufacil-one_rep_max_calculator .percentages-table td:last-child { font-weight: 500; }

.calcufacil-one_rep_max_calculator .note { font-size: 12px; color: #555; text-align: center; margin-top: 15px; font-style: italic; line-height: 1.4; }
.calcufacil-one_rep_max_calculator .errors { color: #721c24; background-color: #f8d7da; border: 1px solid #f5c6cb; padding: 10px 15px; border-radius: 4px; margin-top: 15px; }
.calcufacil-one_rep_max_calculator .errors ul { list-style: none; padding: 0; margin: 0; }
.calcufacil-one_rep_max_calculator .errors li { margin-bottom: 5px; }
.calcufacil-one_rep_max_calculator .errors li:last-child { margin-bottom: 0; }