.app-container{height:100vh;display:flex;flex-direction:column;background:#f8fafc;font-family:sans-serif;color:#334155}.header{padding:1rem 2rem;background:#fff;display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid #e2e8f0}.logo{font-weight:700;display:flex;align-items:center;gap:8px;color:#6366f1}.status-badge{font-size:12px;color:#94a3b8;background:#f1f5f9;padding:4px 8px;border-radius:12px}.main-layout{display:flex;flex:1;overflow:hidden}.sidebar{width:300px;border-right:1px solid #e2e8f0;padding:1rem;display:flex;flex-direction:column;gap:1rem}.search-box{display:flex;align-items:center;gap:8px;background:#fff;padding:8px;border-radius:8px;border:1px solid #e2e8f0}.search-box input{border:none;outline:none;width:100%}.add-btn{background:#6366f1;color:#fff;border:none;padding:10px;border-radius:8px;cursor:pointer;display:flex;align-items:center;justify-content:center;gap:8px}.note-list{flex:1;overflow-y:auto}.note-item{padding:12px;border-radius:8px;cursor:pointer;border:1px solid transparent;margin-bottom:8px}.note-item:hover{background:#f1f5f9}.note-item.active{background:#eef2ff;border-color:#c7d2fe}.editor{flex:1;padding:2rem;display:flex;flex-direction:column}.editor-content{display:flex;flex-direction:column;gap:1rem;height:100%}.title-input{font-size:24px;font-weight:700;border:none;background:transparent;outline:none}.body-input{flex:1;border:none;background:#fff;padding:1rem;border-radius:12px;outline:none;resize:none;box-shadow:0 4px 6px -1px #0000001a}.delete-btn{align-self:flex-end;display:flex;align-items:center;gap:8px;color:#ef4444;background:none;border:none;cursor:pointer}.empty-state{display:flex;justify-content:center;align-items:center;height:100%;color:#94a3b8}input,textarea{font-family:inherit}*{box-sizing:border-box}::-webkit-scrollbar{width:6px}::-webkit-scrollbar-thumb{background:#cbd5e1;border-radius:3px}