:root{--primary: #2563eb;--primary-hover: #1d4ed8;--danger: #dc2626;--danger-hover: #b91c1c;--success: #16a34a;--bg: #f8fafc;--card: #ffffff;--text: #1e293b;--text-secondary: #64748b;--border: #e2e8f0}*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,sans-serif;background:var(--bg);color:var(--text);line-height:1.6}.app{max-width:800px;margin:0 auto;padding:20px}header{display:flex;justify-content:space-between;align-items:center;margin-bottom:30px;padding-bottom:20px;border-bottom:1px solid var(--border)}header h1{font-size:1.5rem;color:var(--primary)}nav{display:flex;gap:10px;justify-content:flex-start}nav a{padding:8px 16px;text-decoration:none;color:var(--text);background:var(--card);border-radius:8px;border:1px solid var(--border);transition:all .2s}nav a:hover,nav a.active{background:var(--primary);color:#fff;border-color:var(--primary)}.card{background:var(--card);border-radius:12px;padding:20px;margin-bottom:20px;box-shadow:0 1px 3px #0000001a}.card h2{font-size:1.2rem;margin-bottom:15px;color:var(--text)}.form-group{margin-bottom:15px}label{display:block;margin-bottom:5px;font-weight:500;color:var(--text)}input,select,textarea{width:100%;padding:10px;border:1px solid var(--border);border-radius:8px;font-size:1rem;transition:border-color .2s}input:focus,select:focus,textarea:focus{outline:none;border-color:var(--primary)}button{padding:10px 20px;border:none;border-radius:8px;font-size:1rem;cursor:pointer;transition:all .2s}.btn-primary{background:var(--primary);color:#fff}.btn-primary:hover{background:var(--primary-hover)}.btn-danger{background:var(--danger);color:#fff}.btn-danger:hover{background:var(--danger-hover)}.btn-secondary{background:var(--bg);color:var(--text);border:1px solid var(--border)}.btn-secondary:hover{background:var(--border)}.btn-sm{padding:5px 10px;font-size:.875rem}.medication-list,.record-list{list-style:none}.medication-item,.record-item{display:flex;justify-content:space-between;align-items:center;padding:15px;border:1px solid var(--border);border-radius:8px;margin-bottom:10px;background:var(--bg)}.medication-info h3{font-size:1rem;margin-bottom:5px}.medication-info p{font-size:.875rem;color:var(--text-secondary)}.empty-state{text-align:center;padding:40px;color:var(--text-secondary)}.quick-actions{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:15px;margin-bottom:30px}.quick-action-btn{padding:20px;background:var(--card);border:2px solid var(--border);border-radius:12px;text-align:center;cursor:pointer;transition:all .2s}.quick-action-btn:hover{border-color:var(--primary);background:#eff6ff}.quick-action-btn h3{margin-bottom:5px;color:var(--primary)}.stats-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:15px;margin-bottom:20px}.stat-card{background:var(--card);padding:20px;border-radius:12px;text-align:center;box-shadow:0 1px 3px #0000001a}.stat-card h3{font-size:2rem;color:var(--primary);margin-bottom:5px}.stat-card p{color:var(--text-secondary);font-size:.875rem}.modal-overlay{position:fixed;inset:0;background:#00000080;display:flex;align-items:center;justify-content:center;z-index:1000}.modal{background:var(--card);padding:25px;border-radius:12px;width:90%;max-width:500px}.modal h2{margin-bottom:20px}.modal-actions{display:flex;gap:10px;justify-content:flex-end;margin-top:20px}.loading{text-align:center;padding:40px;color:var(--text-secondary)}.error{background:#fef2f2;color:var(--danger);padding:15px;border-radius:8px;margin-bottom:20px}