@charset "UTF-8";*{box-sizing:border-box}body{margin:0;padding:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;background-color:#f5f5f5;color:#333}.btn{padding:.75rem 1.5rem;border:none;border-radius:8px;font-size:1rem;font-weight:500;cursor:pointer;transition:all .2s}.btn:disabled{opacity:.5;cursor:not-allowed}.btn:not(:disabled):hover{opacity:.9;transform:translateY(-1px)}.btn:not(:disabled):active{transform:translateY(0)}.btn-primary{background-color:#2196f3;color:#fff}.btn-secondary{background-color:#757575;color:#fff}.btn-success{background-color:#4caf50;color:#fff}.btn-warning{background-color:#ff9800;color:#fff}.btn-danger{background-color:#f44336;color:#fff}.card{background-color:#fff;border-radius:8px;padding:1rem;box-shadow:0 2px 4px #0000001a;margin-bottom:1rem}.error-message{padding:1rem;background-color:#fee;border:1px solid #fcc;border-left:4px solid #f44336;border-radius:4px;color:#c33;margin-bottom:1rem}.success-message{padding:1rem;background-color:#e8f5e9;border:1px solid #c8e6c9;border-left:4px solid #4caf50;border-radius:4px;color:#2e7d32;margin-bottom:1rem}.warning-message{padding:1rem;background-color:#fff3cd;border:1px solid #ffc107;border-left:4px solid #ff9800;border-radius:4px;color:#856404;margin-bottom:1rem}.loading{text-align:center;padding:2rem;color:#666}.loading:after{content:"...";animation:loading 1.5s infinite}@keyframes loading{0%,20%{content:"."}40%{content:".."}60%,to{content:"..."}}