:root{--primary: #4A90A4;--primary-dark: #357A8A;--primary-light: #6BA3B4;--success: #4CAF50;--warning: #FF9800;--error: #F44336;--text-primary: #333333;--text-secondary: #666666;--text-muted: #999999;--bg-primary: #FFFFFF;--bg-secondary: #F5F5F5;--bg-tertiary: #EEEEEE;--border: #E0E0E0;--shadow: rgba(0, 0, 0, .1)}*{margin:0;padding:0;box-sizing:border-box}body{font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background-color:var(--bg-secondary);color:var(--text-primary);line-height:1.5}a{color:var(--primary);text-decoration:none}a:hover{text-decoration:underline}button{font-family:inherit;cursor:pointer}input,select,textarea{font-family:inherit;font-size:1rem}.container{max-width:1200px;margin:0 auto;padding:0 1rem}.page{min-height:100vh;display:flex;flex-direction:column}.card{background:var(--bg-primary);border-radius:12px;box-shadow:0 2px 8px var(--shadow);padding:1.5rem}.card-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:1rem;padding-bottom:1rem;border-bottom:1px solid var(--border)}.card-title{font-size:1.25rem;font-weight:600;color:var(--text-primary)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;padding:.75rem 1.5rem;border-radius:8px;font-weight:500;font-size:1rem;transition:all .2s ease;border:none}.btn-primary{background:var(--primary);color:#fff}.btn-primary:hover{background:var(--primary-dark)}.btn-secondary{background:var(--bg-tertiary);color:var(--text-primary)}.btn-secondary:hover{background:var(--border)}.btn-danger{background:var(--error);color:#fff}.btn-danger:hover{background:#d32f2f}.btn-sm{padding:.5rem 1rem;font-size:.875rem}.btn-block{width:100%}.btn:disabled{opacity:.6;cursor:not-allowed}.form-group{margin-bottom:1.25rem}.form-label{display:block;margin-bottom:.5rem;font-weight:500;color:var(--text-primary)}.form-input{width:100%;padding:.75rem 1rem;border:1px solid var(--border);border-radius:8px;font-size:1rem;transition:border-color .2s ease,box-shadow .2s ease}.form-input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px #4a90a41a}.form-input:disabled{background:var(--bg-tertiary);cursor:not-allowed}.form-error{color:var(--error);font-size:.875rem;margin-top:.25rem}.form-select{width:100%;padding:.75rem 1rem;border:1px solid var(--border);border-radius:8px;font-size:1rem;background:#fff;cursor:pointer}.alert{padding:1rem;border-radius:8px;margin-bottom:1rem}.alert-error{background:#ffebee;color:var(--error);border:1px solid #FFCDD2}.alert-success{background:#e8f5e9;color:var(--success);border:1px solid #C8E6C9}.alert-warning{background:#fff3e0;color:var(--warning);border:1px solid #FFE0B2}.badge{display:inline-block;padding:.25rem .75rem;border-radius:20px;font-size:.75rem;font-weight:600;text-transform:uppercase}.badge-owner{background:#e3f2fd;color:#1976d2}.badge-caregiver{background:#e8f5e9;color:#388e3c}.badge-viewer{background:#fff3e0;color:#f57c00}.table{width:100%;border-collapse:collapse}.table th,.table td{padding:1rem;text-align:left;border-bottom:1px solid var(--border)}.table th{font-weight:600;color:var(--text-secondary);background:var(--bg-secondary)}.table tr:hover{background:var(--bg-secondary)}.nav{background:var(--bg-primary);box-shadow:0 2px 4px var(--shadow);position:sticky;top:0;z-index:100}.nav-inner{display:flex;justify-content:space-between;align-items:center;padding:1rem;max-width:1200px;margin:0 auto}.nav-brand{font-size:1.25rem;font-weight:700;color:var(--primary)}.nav-links{display:flex;gap:1.5rem;align-items:center}.nav-link{color:var(--text-secondary);font-weight:500;transition:color .2s ease}.nav-link:hover,.nav-link.active{color:var(--primary);text-decoration:none}.empty-state{text-align:center;padding:3rem;color:var(--text-muted)}.empty-state-icon{font-size:3rem;margin-bottom:1rem}.empty-state-title{font-size:1.25rem;font-weight:600;color:var(--text-secondary);margin-bottom:.5rem}.loading{display:flex;justify-content:center;align-items:center;padding:2rem}.spinner{width:40px;height:40px;border:3px solid var(--border);border-top-color:var(--primary);border-radius:50%;animation:spin 1s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#00000080;display:flex;justify-content:center;align-items:center;z-index:1000}.modal{background:var(--bg-primary);border-radius:12px;padding:1.5rem;max-width:500px;width:90%;max-height:90vh;overflow-y:auto}.modal-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:1rem}.modal-title{font-size:1.25rem;font-weight:600}.modal-close{background:none;border:none;font-size:1.5rem;color:var(--text-muted);cursor:pointer}.modal-footer{display:flex;justify-content:flex-end;gap:.75rem;margin-top:1.5rem}.grid{display:grid;gap:1.5rem}.grid-2{grid-template-columns:repeat(auto-fit,minmax(300px,1fr))}.grid-3{grid-template-columns:repeat(auto-fit,minmax(250px,1fr))}.grid-4{grid-template-columns:repeat(auto-fit,minmax(200px,1fr))}.text-center{text-align:center}.text-right{text-align:right}.text-muted{color:var(--text-muted)}.text-error{color:var(--error)}.text-success{color:var(--success)}.mt-1{margin-top:.5rem}.mt-2{margin-top:1rem}.mt-3{margin-top:1.5rem}.mt-4{margin-top:2rem}.mb-1{margin-bottom:.5rem}.mb-2{margin-bottom:1rem}.mb-3{margin-bottom:1.5rem}.mb-4{margin-bottom:2rem}.flex{display:flex}.flex-center{justify-content:center;align-items:center}.flex-between{justify-content:space-between}.gap-1{gap:.5rem}.gap-2{gap:1rem}