.bac-calculator{--bac-primary: #dc2626;--bac-secondary: #ef4444;--bac-accent: #fca5a5;--bac-dark: #7f1d1d;--bac-light: #fef2f2;--bac-gradient: linear-gradient(135deg, #dc2626 0%, #b91c1c 50%, #991b1b 100%);--bac-card-bg: #ffffff;--bac-border: #e5e7eb;--bac-text: #1f2937;--bac-text-muted: #6b7280;--bac-success: #10b981;--bac-warning: #f59e0b;max-width:900px;margin:0 auto;font-family:system-ui,-apple-system,sans-serif}.bac-header{text-align:center;margin-bottom:1rem;padding:2rem;background:var(--bac-gradient);border-radius:20px;color:#fff;position:relative;overflow:hidden}.bac-header:before{content:"🍺";position:absolute;font-size:8rem;opacity:.1;right:-1rem;top:50%;transform:translateY(-50%)}.bac-title{font-size:2rem;font-weight:800;margin:0 0 .5rem;position:relative}.bac-description{font-size:1.1rem;opacity:.95;margin:0;position:relative}.bac-disclaimer{display:flex;align-items:flex-start;gap:.75rem;background:#fef3c7;border:2px solid #f59e0b;border-radius:12px;padding:1rem;margin-bottom:2rem}.bac-disclaimer-icon{font-size:1.5rem;flex-shrink:0}.bac-disclaimer p{margin:0;color:#92400e;font-weight:500;font-size:.9rem;line-height:1.5}.bac-formula-container{background:var(--bac-card-bg);border-radius:16px;padding:1.5rem;margin-bottom:2rem;box-shadow:0 4px 20px #dc26261a;border:1px solid var(--bac-border)}.bac-formula-title{font-size:1.1rem;font-weight:700;color:var(--bac-dark);margin:0 0 1rem;text-align:center}.bac-formula-grid{display:grid;grid-template-columns:1fr;gap:1rem}.bac-formula-card{background:linear-gradient(135deg,#fef2f2,#fee2e2);border-radius:12px;padding:1.25rem;text-align:center}.bac-formula-label{font-size:.875rem;font-weight:600;color:var(--bac-primary);margin:0 0 .75rem;text-transform:uppercase;letter-spacing:.05em}.bac-formula-display{min-height:3rem;display:flex;align-items:center;justify-content:center;overflow-x:auto;overflow-y:hidden;font-size:1rem}.bac-form-container{background:var(--bac-card-bg);border-radius:16px;padding:1.5rem;margin-bottom:2rem;box-shadow:0 4px 20px #dc26261a;border:1px solid var(--bac-border)}.bac-unit-toggle{display:grid;grid-template-columns:1fr 1fr;gap:.5rem;margin-bottom:1.5rem;background:var(--bac-light);padding:.375rem;border-radius:12px}.bac-unit-btn{display:flex;flex-direction:column;align-items:center;gap:.125rem;padding:.75rem 1rem;border:none;background:transparent;border-radius:10px;cursor:pointer;transition:all .3s ease}.bac-unit-btn.active{background:#fff;box-shadow:0 2px 8px #dc262633}.bac-unit-label{font-weight:700;font-size:.95rem;color:var(--bac-dark)}.bac-unit-detail{font-size:.7rem;color:var(--bac-text-muted)}.bac-form{display:flex;flex-direction:column;gap:1.25rem}.bac-input-group{display:flex;flex-direction:column;gap:.5rem}.bac-label{font-weight:600;font-size:.9rem;color:var(--bac-text)}.bac-input{padding:.875rem 1rem;border:2px solid var(--bac-border);border-radius:10px;font-size:1rem;transition:all .2s ease;background:#fff}.bac-input:focus{outline:none;border-color:var(--bac-primary);box-shadow:0 0 0 4px #dc26261a}.bac-input-with-unit{display:flex;align-items:center;gap:.5rem}.bac-input-with-unit .bac-input{flex:1}.bac-input-unit{font-weight:600;color:var(--bac-text-muted);min-width:2rem}.bac-input-note{font-size:.75rem;color:var(--bac-text-muted);font-style:italic}.bac-gender-toggle{display:grid;grid-template-columns:1fr 1fr;gap:.5rem}.bac-gender-btn{display:flex;align-items:center;justify-content:center;padding:.875rem 1rem;border:2px solid var(--bac-border);border-radius:10px;cursor:pointer;transition:all .3s ease;font-weight:600;color:var(--bac-text-muted)}.bac-gender-btn input{display:none}.bac-gender-btn.active{border-color:var(--bac-primary);background:var(--bac-light);color:var(--bac-primary)}.bac-buttons{display:grid;grid-template-columns:2fr 1fr;gap:.75rem;margin-top:.5rem}.bac-calculate-btn{display:flex;align-items:center;justify-content:center;gap:.5rem;padding:1rem;background:var(--bac-gradient);color:#fff;border:none;border-radius:12px;font-size:1rem;font-weight:700;cursor:pointer;transition:all .3s ease;box-shadow:0 4px 15px #dc26264d}.bac-calculate-btn:hover{transform:translateY(-2px);box-shadow:0 6px 20px #dc262666}.bac-btn-icon{font-size:1.25rem}.bac-reset-btn{padding:1rem;background:var(--bac-light);color:var(--bac-primary);border:none;border-radius:12px;font-size:.95rem;font-weight:600;cursor:pointer;transition:all .2s ease}.bac-reset-btn:hover{background:#fecaca}.bac-results{background:var(--bac-card-bg);border-radius:16px;padding:1.5rem;margin-bottom:2rem;box-shadow:0 4px 20px #dc26261a;border:1px solid var(--bac-border)}.bac-results.hidden{display:none}.bac-results-title{font-size:1.25rem;font-weight:700;color:var(--bac-dark);margin:0 0 1.25rem;text-align:center}.bac-main-result{display:flex;flex-direction:column;align-items:center;gap:1rem;padding:1.5rem;border-radius:16px;border:3px solid var(--bac-success);margin-bottom:1.5rem;background:linear-gradient(135deg,#f9fafb,#f3f4f6)}.bac-result-gauge{width:100%;height:2rem;background:#e5e7eb;border-radius:1rem;position:relative;overflow:hidden}.bac-gauge-fill{height:100%;background:var(--bac-success);border-radius:1rem;transition:all .5s ease}.bac-gauge-value{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);font-size:1rem;font-weight:800;color:var(--bac-dark);text-shadow:0 0 10px white}.bac-result-status{display:flex;flex-direction:column;align-items:center;gap:.25rem;text-align:center}.bac-status-label{font-size:1.5rem;font-weight:800}.bac-status-description{font-size:.9rem;color:var(--bac-text-muted)}.bac-times-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:1rem;margin-bottom:1.5rem}.bac-time-card{display:flex;align-items:center;gap:.75rem;background:#f9fafb;border-radius:12px;padding:1rem}.bac-time-card.warning{background:#fef3c7;border:2px solid #f59e0b}.bac-time-icon{font-size:1.5rem}.bac-time-content{display:flex;flex-direction:column;gap:.125rem}.bac-time-label{font-size:.75rem;font-weight:600;color:var(--bac-text-muted);text-transform:uppercase}.bac-time-value{font-size:1.1rem;font-weight:700;color:var(--bac-dark)}.bac-chart-container{margin-top:1.5rem;padding-top:1.5rem;border-top:1px solid var(--bac-border)}.bac-chart-title{font-size:1rem;font-weight:700;color:var(--bac-dark);margin:0 0 1rem;text-align:center}.bac-chart{position:relative;height:150px}.bac-chart-bars{display:flex;align-items:flex-end;gap:.25rem;height:100%;padding-bottom:1.5rem}.bac-chart-bar{flex:1;display:flex;flex-direction:column;align-items:center;height:100%;justify-content:flex-end}.bac-bar-fill{width:100%;border-radius:4px 4px 0 0;transition:all .3s ease;min-height:2px}.bac-bar-label{font-size:.6rem;color:var(--bac-text-muted);margin-top:.25rem;position:absolute;bottom:0}.bac-chart-lines{position:absolute;left:0;right:0;top:0;bottom:1.5rem;pointer-events:none}.bac-chart-line{position:absolute;left:0;right:0;height:1px;background:#0003}.bac-chart-line.legal{background:var(--bac-primary)}.bac-chart-line.caution{background:var(--bac-warning)}.bac-chart-line span{position:absolute;right:0;top:-.6rem;font-size:.6rem;font-weight:600;color:var(--bac-primary);background:#fff;padding:0 .25rem}.bac-chart-line.caution span{color:var(--bac-warning)}.bac-content{margin-top:3rem}.bac-section{margin-bottom:2.5rem}.bac-section-title{font-size:1.5rem;font-weight:800;color:var(--bac-dark);margin:0 0 1rem;padding-bottom:.5rem;border-bottom:3px solid var(--bac-accent)}.bac-paragraph{color:var(--bac-text);line-height:1.7;margin-bottom:1rem}.bac-features-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:1rem;margin-top:1.5rem}.bac-feature-card{background:var(--bac-card-bg);border-radius:12px;padding:1.25rem;text-align:center;border:1px solid var(--bac-border);transition:all .3s ease}.bac-feature-card:hover{transform:translateY(-2px);box-shadow:0 8px 25px #dc262626}.bac-feature-icon{font-size:2rem;display:block;margin-bottom:.75rem}.bac-feature-title{font-size:1rem;font-weight:700;color:var(--bac-dark);margin:0 0 .5rem}.bac-feature-description{font-size:.875rem;color:var(--bac-text-muted);margin:0;line-height:1.5}.bac-tips-list{display:flex;flex-direction:column;gap:1rem;margin-top:1.5rem}.bac-tip-card{display:flex;gap:1rem;background:var(--bac-card-bg);border-radius:12px;padding:1.25rem;border:1px solid var(--bac-border)}.bac-tip-icon{font-size:1.5rem;flex-shrink:0}.bac-tip-content{flex:1}.bac-tip-title{font-size:1rem;font-weight:700;color:var(--bac-dark);margin:0 0 .375rem}.bac-tip-text{font-size:.9rem;color:var(--bac-text-muted);margin:0;line-height:1.6}.bac-table-wrapper{overflow-x:auto;margin-top:1.5rem;border-radius:12px;border:1px solid var(--bac-border)}.bac-table{width:100%;border-collapse:collapse;font-size:.85rem}.bac-table th{background:var(--bac-light);padding:.875rem .75rem;text-align:left;font-weight:700;color:var(--bac-dark);border-bottom:2px solid var(--bac-border)}.bac-table td{padding:.875rem .75rem;border-bottom:1px solid var(--bac-border);color:var(--bac-text)}.bac-table-bac{font-weight:700;white-space:nowrap}.bac-table-row.minimal{background:#10b9810d}.bac-table-row.mild{background:#fbbf241a}.bac-table-row.moderate{background:#f973161a}.bac-table-row.significant{background:#ef44441a}.bac-table-row.severe{background:#dc262626}.bac-table-row.dangerous{background:#991b1b33}.bac-faq-list{display:flex;flex-direction:column;gap:.75rem;margin-top:1.5rem}.bac-faq-item{background:var(--bac-card-bg);border-radius:12px;border:1px solid var(--bac-border);overflow:hidden}.bac-faq-question{display:flex;align-items:center;gap:.75rem;padding:1rem 1.25rem;cursor:pointer;font-weight:600;color:var(--bac-dark);list-style:none}.bac-faq-question::-webkit-details-marker{display:none}.bac-faq-icon{display:flex;align-items:center;justify-content:center;width:1.75rem;height:1.75rem;background:var(--bac-gradient);color:#fff;border-radius:6px;font-size:.75rem;font-weight:800;flex-shrink:0}.bac-faq-item[open] .bac-faq-question{border-bottom:1px solid var(--bac-border)}.bac-faq-answer{padding:1rem 1.25rem;background:#fafafa}.bac-faq-answer p{margin:0;color:var(--bac-text);line-height:1.7;font-size:.95rem}@media (max-width: 768px){.bac-title{font-size:1.5rem}.bac-description{font-size:1rem}.bac-header:before{font-size:5rem}.bac-features-grid,.bac-buttons{grid-template-columns:1fr}.bac-formula-display{min-height:2.5rem;font-size:.9rem}.bac-times-grid{grid-template-columns:1fr}}.hidden{display:none!important}