*{box-sizing:border-box;margin:0;padding:0}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,sans-serif;background-color:#0f172a;color:#f8fafc;min-height:100vh;display:flex;justify-content:center;align-items:center;padding:20px}.container{width:100%;max-width:580px;display:flex;flex-direction:column;gap:20px}.header{text-align:center}.badge{display:inline-block;padding:4px 12px;border-radius:9999px;background-color:#3b82f626;color:#60a5fa;font-size:.85rem;font-weight:600;margin-bottom:8px;border:1px solid rgba(59,130,246,.3)}.header h1{font-size:2rem;font-weight:700;color:#fff;margin-bottom:4px}.subtitle{color:#94a3b8;font-size:.95rem}.card{background:#1e293b;border-radius:12px;padding:24px;box-shadow:0 10px 25px #0000004d;border:1px solid #334155}.task-form{display:flex;gap:10px;margin-bottom:20px}.task-input{flex:1;padding:12px 16px;border-radius:8px;background-color:#0f172a;border:1px solid #475569;color:#f8fafc;font-size:1rem;outline:none;transition:border-color .2s}.task-input:focus{border-color:#3b82f6}.add-button{padding:12px 20px;background-color:#3b82f6;color:#fff;border:none;border-radius:8px;font-size:.95rem;font-weight:600;cursor:pointer;transition:background-color .2s}.add-button:hover{background-color:#2563eb}.error-banner{background-color:#ef444426;color:#f87171;padding:10px 14px;border-radius:6px;font-size:.9rem;margin-bottom:15px;border:1px solid rgba(239,68,68,.3)}.loading,.empty-state{text-align:center;padding:30px 0;color:#64748b;font-size:.95rem}.task-list{list-style:none;display:flex;flex-direction:column;gap:8px}.task-item{display:flex;align-items:center;justify-content:space-between;padding:12px 16px;background-color:#0f172a;border-radius:8px;border:1px solid #334155;transition:all .2s}.task-item:hover{border-color:#475569}.task-item.completed span{text-decoration:line-through;color:#64748b}.task-label{display:flex;align-items:center;gap:12px;cursor:pointer;flex:1}.task-label input[type=checkbox]{width:18px;height:18px;accent-color:#3b82f6;cursor:pointer}.delete-button{background:transparent;border:none;color:#64748b;font-size:1rem;cursor:pointer;padding:4px 8px;border-radius:4px;transition:color .2s,background-color .2s}.delete-button:hover{color:#ef4444;background-color:#ef44441a}.footer{text-align:center;font-size:.85rem;color:#64748b}.api-url{background:#1e293b;padding:2px 6px;border-radius:4px;color:#38bdf8;font-family:monospace}
