.calorie-calculator{--calorie-primary: #f97316;--calorie-primary-dark: #ea580c;--calorie-primary-light: #ffedd5;--calorie-secondary: #0ea5e9;--calorie-bg: linear-gradient(135deg, #fff7ed 0%, #fef3c7 100%);background:var(--calorie-bg);border-radius:1.5rem;padding:2rem;margin:1rem 0;box-shadow:0 10px 40px #f9731626}.calorie-calc-header{text-align:center;margin-bottom:2rem;position:relative}.calorie-header-accent{width:80px;height:4px;background:linear-gradient(90deg,var(--calorie-primary),var(--calorie-secondary));margin:0 auto 1rem;border-radius:2px}.calorie-calc-title{font-size:1.75rem;font-weight:800;color:#1e293b;margin:0 0 .5rem}.calorie-calc-description{color:#64748b;font-size:1rem;margin:0}.calorie-formula-section{background:linear-gradient(135deg,#fff7ed,#fed7aa);border:2px solid var(--calorie-primary);border-radius:1rem;padding:1.5rem;margin-bottom:1.5rem}.calorie-formula-title{font-size:.9rem;font-weight:700;color:var(--calorie-primary-dark);text-transform:uppercase;letter-spacing:.1em;margin:0 0 1rem;text-align:center}.calorie-formula-grid{display:flex;flex-direction:column;gap:1rem}.calorie-formula-card{background:#fff;border-radius:.75rem;padding:1rem;box-shadow:0 4px 6px -1px #f973161a;text-align:center}.calorie-formula-badge{display:inline-block;background:linear-gradient(135deg,var(--calorie-primary),var(--calorie-primary-dark));color:#fff;font-size:.75rem;font-weight:600;padding:.25rem .75rem;border-radius:9999px;text-transform:uppercase;letter-spacing:.05em;margin-bottom:.75rem}.calorie-unit-toggle-wrapper{display:flex;justify-content:center;margin-bottom:1.5rem}.calorie-unit-toggle{display:flex;background:#fff;border-radius:.75rem;padding:.25rem;box-shadow:0 2px 8px #0000001a;position:relative}.calorie-unit-btn{display:flex;flex-direction:column;align-items:center;padding:.75rem 1.5rem;border:none;background:transparent;cursor:pointer;border-radius:.5rem;transition:all .2s;position:relative;z-index:1}.calorie-unit-btn.active{background:var(--calorie-primary);color:#fff}.calorie-unit-label{font-weight:600;font-size:.9rem}.calorie-unit-detail{font-size:.7rem;opacity:.8}.calorie-calc-form{display:flex;flex-direction:column;gap:1.25rem}.calorie-input-row{display:grid;grid-template-columns:1fr 1fr;gap:1rem}.calorie-input-field{display:flex;flex-direction:column;gap:.5rem}.calorie-full-width{grid-column:1 / -1}.calorie-input-label{display:flex;justify-content:space-between;align-items:center;font-weight:600;color:#334155;font-size:.9rem}.calorie-label-unit{font-size:.75rem;color:#94a3b8;font-weight:500}.calorie-form-input{padding:.875rem 1rem;border:2px solid #e2e8f0;border-radius:.75rem;font-size:1rem;transition:all .2s;background:#fff;width:100%;box-sizing:border-box}.calorie-form-input:focus{outline:none;border-color:var(--calorie-primary);box-shadow:0 0 0 3px #f973161a}.calorie-height-inputs{display:flex;gap:.5rem}.calorie-height-input-group{display:flex;align-items:center;gap:.25rem;flex:1}.calorie-height-unit{font-size:.85rem;color:#64748b;font-weight:500}.calorie-gender-toggle{display:flex;gap:.5rem}.calorie-gender-btn{flex:1;display:flex;align-items:center;justify-content:center;gap:.5rem;padding:.75rem;border:2px solid #e2e8f0;border-radius:.75rem;background:#fff;cursor:pointer;transition:all .2s;font-weight:500}.calorie-gender-btn:hover{border-color:var(--calorie-primary)}.calorie-gender-btn.active{background:var(--calorie-primary-light);border-color:var(--calorie-primary);color:var(--calorie-primary-dark)}.calorie-gender-icon{font-size:1.25rem}.calorie-activity-options{display:flex;flex-direction:column;gap:.5rem}.calorie-activity-option{display:flex;align-items:center;gap:.75rem;padding:.75rem 1rem;background:#fff;border:2px solid #e2e8f0;border-radius:.75rem;cursor:pointer;transition:all .2s}.calorie-activity-option:hover{border-color:var(--calorie-primary)}.calorie-activity-option.selected{background:var(--calorie-primary-light);border-color:var(--calorie-primary)}.calorie-activity-option input{accent-color:var(--calorie-primary)}.calorie-activity-label{font-weight:600;color:#334155}.calorie-activity-desc{font-size:.85rem;color:#64748b;margin-left:auto}.calorie-goal-options{display:flex;gap:.5rem}.calorie-goal-btn{flex:1;display:flex;flex-direction:column;align-items:center;gap:.25rem;padding:1rem;border:2px solid #e2e8f0;border-radius:.75rem;background:#fff;cursor:pointer;transition:all .2s;font-weight:500}.calorie-goal-btn:hover{border-color:var(--calorie-primary)}.calorie-goal-btn.active{background:var(--calorie-primary-light);border-color:var(--calorie-primary);color:var(--calorie-primary-dark)}.calorie-goal-icon{font-size:1.5rem}.calorie-action-row{display:flex;gap:1rem;margin-top:.5rem}.calorie-calc-btn{flex:1;padding:1rem;border:none;border-radius:.75rem;font-size:1rem;font-weight:600;cursor:pointer;transition:all .2s}.calorie-calc-btn-primary{background:linear-gradient(135deg,var(--calorie-primary),var(--calorie-primary-dark));color:#fff;box-shadow:0 4px 15px #f973164d}.calorie-calc-btn-primary:hover{transform:translateY(-2px);box-shadow:0 6px 20px #f9731666}.calorie-calc-btn-secondary{background:#fff;color:#64748b;border:2px solid #e2e8f0}.calorie-calc-btn-secondary:hover{background:#f8fafc;border-color:#cbd5e1}.calorie-results-section{background:linear-gradient(135deg,#fff7ed,#ffedd5);border:2px solid var(--calorie-primary);border-radius:1rem;padding:1.5rem;margin-top:1.5rem}.calorie-results-title{font-size:1.25rem;font-weight:700;color:var(--calorie-primary-dark);text-align:center;margin:0 0 1.5rem}.calorie-results-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:1rem}.calorie-result-card{background:#fff;border-radius:.75rem;padding:1rem;text-align:center;box-shadow:0 2px 8px #0000000d}.calorie-result-highlight{grid-column:1 / -1;background:linear-gradient(135deg,var(--calorie-primary),var(--calorie-primary-dark));color:#fff}.calorie-result-label{display:block;font-size:.75rem;font-weight:600;text-transform:uppercase;letter-spacing:.05em;opacity:.8;margin-bottom:.25rem}.calorie-result-value{display:block;font-size:1.5rem;font-weight:800;color:var(--calorie-primary-dark)}.calorie-result-highlight .calorie-result-value{color:#fff}.calorie-result-big{font-size:2.5rem}.calorie-result-unit{display:block;font-size:.75rem;color:#64748b;margin-bottom:.25rem}.calorie-result-highlight .calorie-result-unit{color:#fffc}.calorie-result-desc{display:block;font-size:.7rem;color:#94a3b8}.calorie-result-highlight .calorie-result-desc{color:#ffffffb3}.calorie-educational-content{margin-top:2rem}.calorie-content-section{margin-bottom:2rem}.calorie-section-title{font-size:1.25rem;font-weight:700;color:#1e293b;margin:0 0 1rem;padding-bottom:.5rem;border-bottom:2px solid var(--calorie-primary-light)}.calorie-content-text{color:#475569;line-height:1.7;margin:0 0 1rem}.calorie-features-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:1rem;margin-top:1rem}.calorie-feature-card{background:#fff;border-radius:.75rem;padding:1.25rem;text-align:center;box-shadow:0 2px 8px #0000000d}.calorie-feature-icon{font-size:2rem;display:block;margin-bottom:.5rem}.calorie-feature-title{font-size:.95rem;font-weight:600;color:#334155;margin:0 0 .5rem}.calorie-feature-desc{font-size:.85rem;color:#64748b;margin:0;line-height:1.5}.calorie-tips-grid,.calorie-limitations-grid{display:flex;flex-direction:column;gap:.75rem;margin-top:1rem}.calorie-tip-card,.calorie-limitation-card{display:flex;gap:1rem;background:#fff;border-radius:.75rem;padding:1rem;box-shadow:0 2px 8px #0000000d}.calorie-tip-icon,.calorie-limitation-icon{font-size:1.5rem;flex-shrink:0}.calorie-tip-title,.calorie-limitation-title{font-size:.95rem;font-weight:600;color:#334155;margin:0 0 .25rem}.calorie-tip-text,.calorie-limitation-text{font-size:.85rem;color:#64748b;margin:0;line-height:1.5}.calorie-table-wrapper{overflow-x:auto;margin-top:1rem}.calorie-data-table{width:100%;border-collapse:collapse;background:#fff;border-radius:.75rem;overflow:hidden;box-shadow:0 2px 8px #0000000d}.calorie-data-table th,.calorie-data-table td{padding:.75rem 1rem;text-align:left;border-bottom:1px solid #e2e8f0}.calorie-data-table th{background:var(--calorie-primary-light);font-weight:600;color:var(--calorie-primary-dark);font-size:.85rem}.calorie-data-table td{font-size:.9rem;color:#475569}.calorie-faq-list{display:flex;flex-direction:column;gap:.75rem;margin-top:1rem}.calorie-faq-item{background:#fff;border-radius:.75rem;overflow:hidden;box-shadow:0 2px 8px #0000000d}.calorie-faq-question{padding:1rem 1.25rem;font-weight:600;color:#334155;cursor:pointer;list-style:none;display:flex;justify-content:space-between;align-items:center}.calorie-faq-question::-webkit-details-marker{display:none}.calorie-faq-question:after{content:"+";font-size:1.25rem;color:var(--calorie-primary);font-weight:300}.calorie-faq-item[open] .calorie-faq-question:after{content:"−"}.calorie-faq-answer{padding:0 1.25rem 1rem;color:#64748b;font-size:.9rem;line-height:1.6;margin:0}@media (max-width: 640px){.calorie-calculator{padding:1.25rem;border-radius:1rem}.calorie-input-row,.calorie-features-grid,.calorie-results-grid{grid-template-columns:1fr}.calorie-goal-options{flex-direction:column}.calorie-activity-desc{display:none}}