#ultimate-calculator{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;max-width:650px;margin:20px auto;padding:25px;background-color:#fff;border:1px solid #e4e7eb;border-radius:12px;box-shadow:0 5px 25px rgb(0 0 0 / .07)}.form-section{padding:20px;margin-bottom:15px;border:1px solid #e9ecef;border-radius:8px;background-color:#f8f9fa}.form-group{margin-bottom:18px;position:relative}.form-group:last-child{margin-bottom:0}#ultimate-form label{display:block;font-weight:500;font-size:15px;color:#34495e;margin-bottom:8px}.sub-label{font-weight:600;color:#495057;margin-top:20px;margin-bottom:10px;display:block}#ultimate-form input[type="date"],#ultimate-form input[type="number"],#ultimate-form select{width:100%;height:100%;padding:12px;border:1px solid #dcdfe6;border-radius:6px;box-sizing:border-box;font-size:16px;background-color:#fff;color:#333;transition:border-color 0.3s ease,box-shadow 0.3s ease}#ultimate-calculate-btn{width:100%;font-size:16px;font-weight:700;cursor:pointer;border:none;border-radius:8px;padding:15px;margin-top:10px;transition:all 0.3s ease;height:auto}#ultimate-calculate-btn:disabled{background:#ccc;cursor:not-allowed;opacity:.8}.form-divider{border:none;border-top:1px solid #e9ecef;margin:20px 0}#ultimate-form input:focus,#ultimate-form select:focus{outline:none;border-color:#1abc9c;box-shadow:0 0 0 3px rgb(26 188 156 / .2)}#ultimate-calculate-btn{background:#16a085;color:#fff}#ultimate-calculate-btn:hover:not(:disabled){background:#1abc9c;transform:translateY(-2px);box-shadow:0 4px 10px rgb(0 0 0 / .1)}.btn-toggle.selected{background-color:#1abc9c;color:#fff;border-color:#16a085;font-weight:700}.accordion-header[aria-expanded="true"]{background-color:#e8f8f5}.spinner{border:4px solid #d4f4ec;border-top-color:#1abc9c}.hero-item.highlight span{color:#16a085}.fertile{background-color:#e8f8f5;border-color:#d4f4ec}.highest{background-color:#16a085;color:#fff;border-color:#117a65}.ovulate{background-color:#a3e4d7;border-color:#76d7c4}.box.f{background:#e8f8f5}.box.h{background:#16a085}.box.o{background:#a3e4d7}#specific-date-result{color:#16a085}.tta-theme #ultimate-form input:focus,.tta-theme #ultimate-form select:focus{border-color:#3498db;box-shadow:0 0 0 3px rgb(52 152 219 / .2)}.tta-theme #ultimate-calculate-btn{background:#2980b9}.tta-theme #ultimate-calculate-btn:hover:not(:disabled){background:#3498db}.tta-theme .btn-toggle.selected{background-color:#3498db;border-color:#2980b9}.tta-theme .accordion-header[aria-expanded="true"]{background-color:#eaf4ff}.tta-theme .spinner{border-color:#d6eaf8;border-top-color:#3498db}.tta-theme .hero-item.highlight span{color:#2980b9}.tta-theme .fertile{background-color:#eaf4ff;border-color:#d6eaf8}.tta-theme .highest{background-color:#2980b9;color:#fff;border-color:#2471a3}.tta-theme .ovulate{background-color:#aed6f1;border-color:#85c1e9}.tta-theme .box.f{background:#eaf4ff}.tta-theme .box.h{background:#2980b9}.tta-theme .box.o{background:#aed6f1}.tta-theme #specific-date-result{color:#2980b9}.goal-selector{display:flex;gap:10px}.btn-toggle{flex:1;padding:12px;background-color:#f1f3f5;color:#495057;border:1px solid #ced4da;border-radius:6px;cursor:pointer;transition:all 0.2s ease;font-weight:500}.accordion{border-top:1px solid #f1f3f5}.accordion-item{border-bottom:1px solid #f1f3f5}.accordion-header{all:unset;display:flex;justify-content:space-between;align-items:center;width:100%;padding:15px 5px;font-size:16px;font-weight:600;color:#34495e!important;cursor:pointer;box-sizing:border-box;border-radius:4px;transition:background-color 0.2s ease;-webkit-tap-highlight-color:#fff0}.accordion-header:hover{background-color:#f8f9fa}.accordion-header .icon{width:10px;height:10px;border-right:2px solid #34495e;border-bottom:2px solid #34495e;transform:rotate(45deg);transition:transform 0.3s ease}.accordion-header[aria-expanded="true"] .icon{transform:rotate(-135deg)}.accordion-content{display:none;padding:10px 5px 15px}.form-row{display:flex;gap:10px;align-items:stretch;margin-bottom:10px}.form-row .form-group{margin-bottom:0}.input-group{flex:1;min-width:0}.unit-selector-group{flex-grow:0;flex-shrink:0;flex-basis:90px}.height-group{display:flex;gap:10px;flex:1}.height-group.cm-group{display:none}.height-group input{flex:1 1 50%;min-width:40px}#ultimate-result{display:none;margin-top:25px}.spinner{width:36px;height:36px;border-radius:50%;margin:30px auto;animation:spin 1s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.result-wrapper{opacity:0;transform:translateY(15px);transition:opacity 0.4s ease,transform 0.4s ease}.result-wrapper.visible{opacity:1;transform:translateY(0)}.result-hero{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:15px;background-color:#f8f9fa;border-radius:8px;padding:20px}.hero-item{text-align:center}.hero-item label{display:block;font-size:14px;color:#6c757d;margin-bottom:5px}.hero-item span{display:block;font-size:18px;font-weight:600;color:#2c3e50}.hero-item.highlight span{font-size:20px}.accordion-results{margin-top:20px}.details-list{display:flex;flex-direction:column;gap:12px}.detail-item{display:flex;justify-content:space-between;align-items:baseline;font-size:16px;padding:10px 0;border-bottom:1px solid #f1f3f5}.detail-item:last-child{border-bottom:none}.detail-item strong{font-weight:500;color:#303133;margin-right:15px}.detail-item span{color:#606266;text-align:right;font-weight:500}.cc_calendar{padding-top:15px}.cc_header{display:flex;justify-content:space-between;align-items:center;margin-bottom:15px}.cc_header button{background:#f1f3f5;color:#495057;border:1px solid #dee2e6;border-radius:50%;width:35px;height:35px;cursor:pointer;font-weight:700;font-size:18px;display:flex;align-items:center;justify-content:center}.cc_header span{font-weight:600;font-size:18px;color:#2c3e50}.cc_weekdays{display:grid;grid-template-columns:repeat(7,1fr);text-align:center;font-weight:500;color:#909399;margin-bottom:5px;font-size:14px}.cc_days{display:grid;grid-template-columns:repeat(7,1fr);gap:4px}.cc_day{border:1px solid #f1f3f5;border-radius:6px;position:relative;cursor:pointer;aspect-ratio:1 / 1;display:flex;flex-direction:column;justify-content:space-between;padding:4px;overflow:hidden}.cc_day .num{font-size:13px;text-align:left}.cc_day .pct{font-size:11px;text-align:center;color:#6c757d;font-weight:500}.menstruation{background-color:#ffe3e3;border-color:#ffc9c9}.light-menstruation{background-color:#fff0f0;border-color:#ffe3e3}.cc_legend{display:flex;align-items:center;justify-content:center;font-size:13px;gap:15px;flex-wrap:wrap;margin-top:15px}.legend-item{display:flex;align-items:center;gap:6px}.box{width:14px;height:14px;border-radius:3px}.box.m{background:#ffe3e3}#specific-date-checker{padding-top:10px}#specific-date-checker #specific-date-btn{height:100%;flex-basis:100px;background-color:#495057;color:#fff;border:none;font-weight:500}#specific-date-result{text-align:center;font-weight:600;margin-top:15px;font-size:16px}.cc_day.highest .num,.cc_day.highest .pct{color:#fff}.share-section{text-align:center;margin-top:20px}#ultimate-share-btn{background:#f1f3f5;color:#495057;border:1px solid #dee2e6}