:root{--bac-primary:#0ea5e9;--bac-secondary:#7c3aed;--bac-success:#16a34a;--bac-warning:#f59e0b;--bac-danger:#dc2626;--bac-light:#f8fafc}body{background:#f4f7fb}.bac-card{border:none;border-radius:24px;overflow:hidden;box-shadow:0 10px 30px rgba(0,0,0,.06)}.main-title{font-size:2.4rem;font-weight:800;color:#111827}.section-subtitle{color:#64748b;font-size:1rem}.gender-box{background:#eef2f7;border-radius:20px;padding:25px 15px;text-align:center;cursor:pointer;border:3px solid transparent;transition:.25s ease;height:100%}.gender-box:hover{transform:translateY(-2px)}.gender-box.active{border-color:var(--bac-primary);background:#dff4ff}.gender-icon{font-size:3rem;margin-bottom:10px;line-height:1}.male-icon{color:#0284c7}.female-icon{color:#ec4899}.gender-text{font-weight:800;font-size:1.2rem;color:#111827}.input-card{background:#eef2f7;border-radius:22px;padding:24px;margin-bottom:28px}.input-label{font-size:.82rem;font-weight:800;color:#111827;text-transform:uppercase;margin-bottom:10px}.weight-input{width:100%;border:none;background:0 0;font-size:2.5rem;font-weight:800;color:#111827;outline:0}.weight-unit{font-size:2rem;font-weight:800;color:#111827}.drink-card{text-align:center;padding:16px;border-radius:18px;background:#fff;box-shadow:0 5px 15px rgba(0,0,0,.05);transition:.2s ease;height:100%}.drink-card:hover{transform:translateY(-2px)}.drink-icon{font-size:3rem;margin-bottom:12px}.drink-title{font-size:1.1rem;font-weight:800;color:#111827}.drink-abv{color:#64748b;font-weight:700;margin-top:4px;margin-bottom:18px}.drink-counter{display:flex;justify-content:center;align-items:center;gap:12px}.counter-btn{width:42px;height:42px;border-radius:12px;border:none;background:#dbeafe;color:#2563eb;font-size:1.3rem;font-weight:800}.counter-value{width:55px;height:42px;border-radius:12px;border:none;background:#eef2f7;text-align:center;font-weight:800;font-size:1.2rem}.time-box{background:#eef2f7;border-radius:22px;padding:24px}.time-value{width:80px;border:none;background:0 0;font-size:2.5rem;font-weight:800;text-align:center;outline:0}.time-label{font-size:1.6rem;font-weight:800}.result-card{background:linear-gradient(89deg,#645cdd,#11cdab)!important;color:#fff;border-radius:26px;padding:40px 30px;height:100%;position:sticky;top:20px}.result-title{font-size:1.6rem;font-weight:800;margin-bottom:35px}.bac-result{font-size:5rem;font-weight:900;line-height:1;margin-bottom:15px}.risk-badge{padding:12px 24px;border-radius:50px;display:inline-block;font-weight:800;font-size:1rem}.risk-safe{background:rgba(22,163,74,.2);color:#86efac}.risk-warning{background:rgba(245,158,11,.2);color:#fde68a}.risk-danger{background:rgba(220,38,38,.2);color:#fecaca}.meter-container{margin-top:45px}.meter-bar{height:24px;border-radius:30px;overflow:hidden;display:flex;position:relative}.meter-safe{width:20%;background:#16a34a}.meter-warning{width:25%;background:#f59e0b}.meter-danger{width:55%;background:#dc2626}.meter-pointer{width:24px;height:24px;border-radius:50%;background:#fff;border:4px solid #111827;position:absolute;top:0;left:0;transform:translate(-50%,0);transition:.3s ease}.result-grid{margin-top:40px}.result-box{background:rgba(255,255,255,.08);border-radius:18px;padding:18px;text-align:center;height:100%}.result-box-label{font-size:.75rem;text-transform:uppercase;color:#cbd5e1;font-weight:700;margin-bottom:8px}.result-box-value{font-size:1.4rem;font-weight:800}.info-card{background:#fff;border-radius:24px;padding:30px;margin-top:30px;box-shadow:0 10px 30px rgba(0,0,0,.05)}.info-title{font-size:1.4rem;font-weight:800;margin-bottom:20px}.info-card li,.info-card p{color:#475569;line-height:1.8}