*{margin:0;padding:0;box-sizing:border-box}html,body{height:100%;width:100%}:root{--primary-color: #2563eb;--primary-dark: #1e40af;--secondary-color: #64748b;--success-color: #16a34a;--danger-color: #dc2626;--warning-color: #ea580c;--light-bg: #f8fafc;--border-color: #e2e8f0;--text-primary: #1e293b;--text-secondary: #64748b;--shadow-sm: 0 1px 2px 0 rgb(0 0 0 / .05);--shadow-md: 0 4px 6px -1px rgb(0 0 0 / .1);--shadow-lg: 0 10px 15px -3px rgb(0 0 0 / .1)}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,sans-serif;background-color:var(--light-bg);color:var(--text-primary);line-height:1.6}.app{display:flex;flex-direction:column;min-height:100vh}.header{background:linear-gradient(135deg,var(--primary-color) 0%,var(--primary-dark) 100%);color:#fff;padding:2rem 1rem;text-align:center;box-shadow:var(--shadow-md)}.header h1{font-size:2.5rem;font-weight:700;margin-bottom:.5rem}.tagline{font-size:1.1rem;opacity:.9;font-weight:300}.navbar{display:flex;gap:0;background:#fff;border-bottom:2px solid var(--border-color);box-shadow:var(--shadow-sm);overflow-x:auto}.nav-button{flex:1;padding:1rem;border:none;background:none;color:var(--text-secondary);cursor:pointer;font-size:1rem;font-weight:500;border-bottom:3px solid transparent;transition:all .3s ease;white-space:nowrap;min-width:max-content}.nav-button:hover{background-color:var(--light-bg);color:var(--text-primary)}.nav-button.active{color:var(--primary-color);border-bottom-color:var(--primary-color)}.main{flex:1;padding:2rem 1rem;max-width:1200px;width:100%;margin:0 auto}.loading{display:flex;align-items:center;justify-content:center;min-height:100vh;font-size:1.2rem;color:var(--text-secondary)}.btn{padding:.75rem 1.5rem;border:none;border-radius:.5rem;font-size:1rem;font-weight:500;cursor:pointer;transition:all .2s ease;display:inline-flex;align-items:center;gap:.5rem}.btn:disabled{opacity:.6;cursor:not-allowed}.btn-primary{background-color:var(--primary-color);color:#fff}.btn-primary:hover:not(:disabled){background-color:var(--primary-dark);box-shadow:var(--shadow-md);transform:translateY(-1px)}.btn-secondary{background-color:var(--secondary-color);color:#fff}.btn-secondary:hover:not(:disabled){background-color:#475569;box-shadow:var(--shadow-md)}.btn-danger{background-color:var(--danger-color);color:#fff}.btn-danger:hover:not(:disabled){background-color:#b91c1c}.empty-state{text-align:center;padding:3rem 1rem;color:var(--text-secondary);font-size:1.1rem}.error-message{background-color:#fee2e2;border:1px solid #fecaca;border-radius:.5rem;padding:1rem;color:#991b1b;margin-bottom:1rem}@media (max-width: 768px){.header h1{font-size:1.8rem}.navbar{gap:0}.nav-button{flex:1;min-width:auto;font-size:.9rem;padding:.75rem}.main{padding:1rem}}.family-member-form{display:flex;flex-direction:column;gap:1.5rem;background:#fff;border-radius:.75rem;border-left:4px solid var(--primary-color)}.family-member-form h3{font-size:1.5rem;color:var(--text-primary);margin-bottom:.5rem}.form-group{display:flex;flex-direction:column;gap:.5rem}.form-group label{font-weight:600;color:var(--text-primary);font-size:.95rem}.form-group input,.form-group select{padding:.75rem;border:1px solid var(--border-color);border-radius:.375rem;font-size:1rem;font-family:inherit;transition:border-color .2s ease}.form-group input:focus,.form-group select:focus{outline:none;border-color:var(--primary-color);box-shadow:0 0 0 3px #2563eb1a}.form-row{display:grid;grid-template-columns:1fr 1fr;gap:1rem}.height-mode-toggle{display:flex;gap:.5rem;margin-bottom:.75rem;border-bottom:2px solid var(--border-color)}.toggle-btn{flex:1;padding:.5rem;background:none;border:none;border-bottom:3px solid transparent;color:var(--text-secondary);font-weight:500;font-size:.9rem;cursor:pointer;transition:all .2s ease}.toggle-btn:hover{color:var(--text-primary)}.toggle-btn.active{color:var(--primary-color);border-bottom-color:var(--primary-color)}.height-feet-inches{display:grid;grid-template-columns:1fr 1fr;gap:.75rem}.height-input-group{position:relative;display:flex;align-items:center;gap:.5rem}.height-input-group input{flex:1;padding:.75rem;border:1px solid var(--border-color);border-radius:.375rem;font-size:1rem;font-family:inherit}.height-input-group input:focus{outline:none;border-color:var(--primary-color);box-shadow:0 0 0 3px #2563eb1a}.height-unit{font-size:.9rem;color:var(--text-secondary);font-weight:500;min-width:2rem;text-align:center}.form-actions{display:flex;gap:1rem;justify-content:flex-end;margin-top:1rem;border-top:1px solid var(--border-color);padding-top:1.5rem}@media (max-width: 640px){.form-row{grid-template-columns:1fr}.form-actions{flex-direction:column}.form-actions .btn{width:100%;justify-content:center}}.form-error{padding:.75rem 1rem;border-radius:.375rem;background-color:#fee2e2;border:1px solid #fecaca;color:#991b1b}.family-member-card{background:#fff;border-radius:.75rem;box-shadow:var(--shadow-md);overflow:hidden;transition:all .3s ease;border-left:4px solid var(--primary-color)}.family-member-card:hover{box-shadow:var(--shadow-lg);transform:translateY(-2px)}.card-header{display:flex;justify-content:space-between;align-items:center;padding:1.25rem;background-color:var(--light-bg);border-bottom:1px solid var(--border-color)}.card-header h3{font-size:1.25rem;color:var(--text-primary);margin:0}.card-actions{display:flex;gap:.5rem}.btn-icon{background:none;border:none;font-size:1.25rem;cursor:pointer;padding:.25rem .5rem;border-radius:.25rem;transition:background-color .2s ease}.btn-icon:hover{background-color:#0000000d}.btn-icon.btn-danger:hover{background-color:#dc26261a}.card-content{padding:1.5rem}.info-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:1.5rem}.info-item{display:flex;flex-direction:column;gap:.25rem}.info-item .label{font-size:.85rem;color:var(--text-secondary);font-weight:600;text-transform:uppercase;letter-spacing:.5px}.info-item .value{font-size:1.1rem;color:var(--text-primary);font-weight:500}@media (max-width: 480px){.info-grid{grid-template-columns:1fr}.card-header{flex-direction:column;gap:1rem;align-items:flex-start}.card-actions{align-self:flex-end;margin-top:-2rem}}.family-members-page{width:100%}.family-members-page .page-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:2rem;flex-wrap:wrap;gap:1rem}.family-members-page .page-header h2{font-size:2rem;color:var(--text-primary)}.form-container{background:#fff;border-radius:.75rem;padding:2rem;margin-bottom:2rem;box-shadow:var(--shadow-md)}.members-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:1.5rem}@media (max-width: 768px){.family-members-page .page-header{flex-direction:column;align-items:flex-start}.family-members-page .page-header h2{font-size:1.5rem}.members-grid{grid-template-columns:1fr}.form-container{padding:1rem}}.medication-search{background:#fff;padding:1.5rem;border-radius:.75rem;box-shadow:var(--shadow-md);margin-bottom:2rem}.search-mode-tabs{display:flex;gap:.5rem;margin-bottom:1.5rem;border-bottom:2px solid var(--border-color)}.mode-tab{flex:1;padding:.75rem 1rem;background:none;border:none;border-bottom:3px solid transparent;color:var(--text-secondary);font-weight:500;cursor:pointer;transition:all .2s ease}.mode-tab:hover{color:var(--text-primary);background-color:var(--light-bg)}.mode-tab.active{color:var(--primary-color);border-bottom-color:var(--primary-color)}.search-input-group{display:flex;gap:1rem}.search-input{flex:1;padding:.75rem;border:1px solid var(--border-color);border-radius:.375rem;font-size:1rem;font-family:inherit;transition:border-color .2s ease}.search-input:focus{outline:none;border-color:var(--primary-color);box-shadow:0 0 0 3px #2563eb1a}.search-hint{margin-top:1rem;font-size:.9rem;color:var(--text-secondary);text-align:center}@media (max-width: 640px){.medication-search{padding:1rem}.search-mode-tabs{flex-direction:column;margin-bottom:1rem}.mode-tab{padding:.5rem;font-size:.9rem;border-bottom:2px solid transparent}.mode-tab.active{border-bottom-color:var(--primary-color)}.search-input-group{flex-direction:column}.search-input{width:100%}.search-input-group .btn{width:100%;justify-content:center}}.medication-card{padding:1.5rem;overflow-y:auto;max-height:600px}.med-header{border-bottom:2px solid var(--border-color);padding-bottom:1rem;margin-bottom:1.5rem}.med-header h3{margin:0 0 .25rem;font-size:1.5rem;color:var(--text-primary)}.med-header .generic-name{margin:0;font-size:.95rem;color:var(--text-secondary);font-style:italic}.med-section{margin-bottom:1.5rem}.med-section .label{font-weight:600;color:var(--text-secondary);display:inline-block;margin-right:.5rem;text-transform:uppercase;font-size:.85rem;letter-spacing:.5px}.med-section h4{margin:0 0 .75rem;font-size:1.05rem;color:var(--text-primary)}.med-section p{margin:0;color:var(--text-secondary);line-height:1.6}.med-section.warning{background-color:#fef3c7;border-left:4px solid var(--warning-color);padding:1rem;border-radius:.375rem;margin-left:-1.5rem;margin-right:-1.5rem;padding-left:calc(2.5rem - 4px)}.med-section.warning h4,.med-section.warning p{color:#92400e}.med-section select{width:100%;padding:.75rem;border:1px solid var(--border-color);border-radius:.375rem;font-size:1rem;font-family:inherit;margin-bottom:1rem}.med-section select:focus{outline:none;border-color:var(--primary-color);box-shadow:0 0 0 3px #2563eb1a}.member-dosage-info{background-color:#e0f2fe;border-left:4px solid var(--primary-color);padding:1rem;border-radius:.375rem;margin-top:1rem}.member-dosage-info h5{margin:0 0 .75rem;color:#0c4a6e}.member-dosage-info p{margin:.5rem 0;color:#0c4a6e}.dosage-note{background-color:#fecaca;border:1px solid #fca5a5;padding:.75rem;border-radius:.375rem;margin-top:.75rem;color:#7f1d1d;font-size:.9rem}@media (max-width: 1024px){.medication-card{max-height:none}}.medications-page{width:100%}.medications-page .page-header{margin-bottom:2rem}.medications-page .page-header h2{font-size:2rem;color:var(--text-primary);margin-bottom:.5rem}.medications-page .page-header p{font-size:1.05rem;color:var(--text-secondary)}.medications-container{display:grid;grid-template-columns:1fr 1fr;gap:2rem;margin-top:2rem}.medications-list{background:#fff;border-radius:.75rem;box-shadow:var(--shadow-md);max-height:600px;overflow-y:auto}.medication-item{padding:1rem;border-bottom:1px solid var(--border-color);cursor:pointer;transition:all .2s ease}.medication-item:hover{background-color:var(--light-bg)}.medication-item.selected{background-color:#dbeafe;border-left:4px solid var(--primary-color);padding-left:calc(1rem - 4px)}.medication-item h4{margin:0 0 .25rem;color:var(--text-primary);font-size:1rem}.medication-item .generic{margin:0;font-size:.85rem;color:var(--text-secondary);font-style:italic}.medication-detail{background:#fff;border-radius:.75rem;box-shadow:var(--shadow-md)}@media (max-width: 1024px){.medications-container{grid-template-columns:1fr}.medications-list{max-height:400px}}@media (max-width: 640px){.medications-page .page-header h2{font-size:1.5rem}.medications-container{gap:1rem}}.dosage-calculator-page{display:flex;flex-direction:column;gap:2rem}.dosage-calculator-page__header h2{font-size:2rem;color:var(--text-primary);margin-bottom:.5rem}.dosage-calculator-page__header p{font-size:1.05rem;color:var(--text-secondary)}.dosage-calculator-page__layout{display:grid;grid-template-columns:repeat(auto-fit,minmax(320px,1fr));gap:2rem;align-items:start}.dosage-calculator-page__panel{display:flex;flex-direction:column;gap:1.5rem;background:#fff;padding:2rem;border-radius:.75rem;box-shadow:var(--shadow-md)}.dosage-calculator-page__panel section{display:flex;flex-direction:column;gap:1rem}.dosage-calculator-page__panel h3{font-size:1.25rem;color:var(--text-primary);border-bottom:2px solid var(--primary-color);padding-bottom:.5rem}.dosage-calculator-page__field{display:flex;flex-direction:column;gap:.5rem}.dosage-calculator-page__field label{font-weight:600;color:var(--text-primary);font-size:.95rem}.dosage-calculator-page__field input,.dosage-calculator-page__field select{padding:.75rem;border:1px solid var(--border-color);border-radius:.375rem;font-size:1rem;font-family:inherit;background:#fff;transition:border-color .2s ease}.dosage-calculator-page__field input:focus,.dosage-calculator-page__field select:focus{outline:none;border-color:var(--primary-color);box-shadow:0 0 0 3px #2563eb1a}.dosage-calculator-page__field small,.dosage-calculator-page__panel>section>small{font-size:.85rem;color:var(--text-secondary)}.dosage-calculator-page__row{display:grid;grid-template-columns:1fr 1fr;gap:1rem}.dosage-calculator-page__empty{padding:1.5rem;text-align:center;color:var(--text-secondary);background-color:var(--light-bg);border-radius:.375rem}.dosage-calculator-page__error{padding:.75rem 1rem;border-radius:.375rem;background-color:#fee2e2;border:1px solid #fecaca;color:#991b1b}.dosage-calculator-page__results{display:flex;flex-direction:column;gap:.75rem;background:var(--light-bg);padding:1.5rem;border-radius:.375rem;border-left:4px solid var(--primary-color)}.dosage-calculator-page__results>div{display:flex;justify-content:space-between;align-items:baseline;gap:1rem}.dosage-calculator-page__results dt{font-weight:600;color:var(--text-primary)}.dosage-calculator-page__results dd{color:var(--text-secondary);text-align:right}.dosage-calculator-page__results-key{background:#fff;padding:.875rem 1rem;border-radius:.375rem;border-left:4px solid var(--success-color)}.dosage-calculator-page__results-key dd strong{color:var(--text-primary);font-size:1.15rem}.dosage-calculator-page__volume{display:block;color:var(--text-secondary);font-size:.95rem}.dosage-calculator-page__notice{border:2px solid var(--warning-color);background:#ea580c14;border-radius:.375rem;padding:1.25rem}.dosage-calculator-page__notice h4{color:var(--warning-color);margin-bottom:.5rem}.dosage-calculator-page__notice ul{margin:0;padding-left:1.25rem;color:var(--text-secondary);line-height:1.6}.dosage-calculator-page__hint{color:var(--text-secondary);font-size:.95rem}.dosage-calculator-page__disclaimer{border:2px solid var(--warning-color);background:#ea580c14;border-radius:.375rem;padding:1.5rem}.dosage-calculator-page__disclaimer h4{color:var(--warning-color);margin-bottom:.75rem}.dosage-calculator-page__disclaimer p{color:var(--text-secondary);line-height:1.6}@media (max-width: 640px){.dosage-calculator-page__panel{padding:1.25rem}.dosage-calculator-page__row{grid-template-columns:1fr}.dosage-calculator-page__results>div{flex-direction:column;align-items:flex-start}.dosage-calculator-page__results dd{text-align:left}}.double-dose-page{display:flex;flex-direction:column;gap:2rem}.double-dose-page__header h2{font-size:2rem;color:var(--text-primary);margin-bottom:.5rem}.double-dose-page__header p{font-size:1.05rem;color:var(--text-secondary)}.double-dose-page__layout{display:grid;grid-template-columns:repeat(auto-fit,minmax(320px,1fr));gap:2rem;align-items:start}.double-dose-page__panel{display:flex;flex-direction:column;gap:1.5rem;background:#fff;padding:2rem;border-radius:.75rem;box-shadow:var(--shadow-md)}.double-dose-page__panel section{display:flex;flex-direction:column;gap:1rem}.double-dose-page__panel h3{font-size:1.25rem;color:var(--text-primary);border-bottom:2px solid var(--primary-color);padding-bottom:.5rem}.double-dose-page__panel h4{font-size:1.05rem;color:var(--text-primary)}.double-dose-page__help{font-size:.95rem;color:var(--text-secondary)}.double-dose-page__inputs{display:flex;flex-direction:column;gap:.75rem;list-style:none;margin:0;padding:0}.double-dose-page__inputs li{display:flex;gap:.5rem;align-items:center}.double-dose-page__inputs input{flex:1;padding:.75rem;border:1px solid var(--border-color);border-radius:.375rem;font-size:1rem;font-family:inherit;transition:border-color .2s ease}.double-dose-page__inputs input:focus{outline:none;border-color:var(--primary-color);box-shadow:0 0 0 3px #2563eb1a}.double-dose-page__remove{padding:.5rem .75rem;background-color:var(--danger-color);color:#fff;border:none;border-radius:.375rem;cursor:pointer;font-weight:600;line-height:1}.double-dose-page__remove:hover{background-color:#b91c1c}.double-dose-page__error{padding:.75rem 1rem;border-radius:.375rem;background-color:#fee2e2;border:1px solid #fecaca;color:#991b1b}.double-dose-page__group{display:flex;flex-direction:column;gap:1rem}.double-dose-page__card{border-left:4px solid var(--danger-color);background-color:#dc26260f;border-radius:.375rem;padding:1.25rem;display:flex;flex-direction:column;gap:.75rem}.double-dose-page__card h4{font-size:1.05rem;color:var(--text-primary)}.double-dose-page__card p{color:var(--text-secondary);line-height:1.6}.double-dose-page__badge{align-self:flex-start;padding:.3rem .7rem;border-radius:.375rem;font-size:.75rem;font-weight:700;letter-spacing:.02em;background-color:#dc26262e;color:#7f1d1d}.double-dose-page__none,.double-dose-page__unknown{padding:1.25rem;border-radius:.375rem;background-color:var(--light-bg);border-left:4px solid var(--secondary-color)}.double-dose-page__none h4,.double-dose-page__unknown h4{margin-bottom:.5rem}.double-dose-page__none p,.double-dose-page__unknown p{color:var(--text-secondary);line-height:1.6}.double-dose-page__disclaimer{border:2px solid var(--warning-color);background:#ea580c14;border-radius:.375rem;padding:1.5rem}.double-dose-page__disclaimer h4{color:var(--warning-color);margin-bottom:.75rem}.double-dose-page__disclaimer p{color:var(--text-secondary);line-height:1.6}@media (max-width: 640px){.double-dose-page__panel{padding:1.25rem}}.settings-page{max-width:800px;margin:0 auto}.settings-page .page-header h2{font-size:2rem;color:var(--text-primary);margin-bottom:2rem}.settings-section{background:#fff;border-radius:.75rem;padding:2rem;margin-bottom:1.5rem;box-shadow:var(--shadow-md)}.settings-section h3{margin:0 0 1rem;font-size:1.25rem;color:var(--text-primary)}.section-description{color:var(--text-secondary);margin:0 0 1.5rem;font-size:.95rem}.setting-group{display:flex;flex-direction:column;gap:1rem}.radio-label{display:flex;align-items:flex-start;gap:1rem;cursor:pointer;padding:1rem;border-radius:.375rem;transition:background-color .2s ease}.radio-label:hover{background-color:var(--light-bg)}.radio-label input[type=radio]{margin-top:.25rem;cursor:pointer;width:1.25rem;height:1.25rem;flex-shrink:0}.radio-text{display:flex;flex-direction:column;gap:.25rem}.radio-text strong{color:var(--text-primary);font-size:1rem}.radio-text small{color:var(--text-secondary);font-size:.85rem}.settings-section p{margin:.75rem 0;color:var(--text-secondary);line-height:1.6}.settings-section a{color:var(--primary-color);text-decoration:none;font-weight:500}.settings-section a:hover{text-decoration:underline}.settings-section.warning{background-color:#fef3c7;border-left:4px solid var(--warning-color)}.settings-section.warning h3,.settings-section.warning p{color:#92400e}@media (max-width: 640px){.settings-section{padding:1.5rem}.settings-page .page-header h2{font-size:1.5rem}.radio-label{padding:.75rem}}