*{margin:0;padding:0;box-sizing:border-box}body{font-family:Segoe UI,Tahoma,Geneva,Verdana,sans-serif;background:linear-gradient(135deg,#667eea,#764ba2);min-height:100vh}.empty-state{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:100vh;text-align:center;padding:2rem;color:#64748b;background-color:#fff}.empty-icon{font-size:5rem;margin-bottom:1.5rem;opacity:.7}.empty-state h2{font-size:2rem;font-weight:600;color:#1e293b;margin:0 0 1rem}.empty-state p{font-size:1.1rem;max-width:420px;margin:0 0 2.5rem;line-height:1.5}.create-first-btn{padding:.9rem 2.2rem;font-size:1.1rem;font-weight:500;color:#fff;background:#6366f1;border:none;border-radius:12px;cursor:pointer;transition:all .2s ease;box-shadow:0 4px 12px #6366f140}.create-first-btn:hover{background:#4f46e5;transform:translateY(-2px);box-shadow:0 6px 20px #6366f159}.create-first-btn:active{transform:translateY(0)}.note-view-overlay{position:fixed;inset:0;background:#0000008c;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);display:flex;align-items:center;justify-content:center;z-index:1000;padding:1.5rem}.note-view-card{background:#fff;border-radius:24px;width:100%;max-width:620px;max-height:90vh;overflow-y:auto;box-shadow:0 20px 50px #00000040,0 0 0 1px #ffffff1a inset;position:relative;animation:popIn .4s cubic-bezier(.34,1.56,.64,1)}@keyframes popIn{0%{transform:scale(.85);opacity:0}to{transform:scale(1);opacity:1}}.note-view-header{padding:1.6rem 2rem .8rem;display:flex;align-items:center;gap:1rem;border-bottom:1px solid #f1f5f9;position:sticky;top:0;background:#fff;z-index:10}.cute-icon{font-size:2.2rem;animation:float 3s ease-in-out infinite}@keyframes 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a{color:#667eea;text-decoration:none;font-weight:600}.app-container{display:flex;height:100vh}.app-container.active{display:flex}.sidebar{width:280px;background:#fff;box-shadow:2px 0 10px #0000001a;display:flex;flex-direction:column}.sidebar-header{padding:20px;border-bottom:1px solid #e0e0e0}.sidebar-header h1{font-size:24px;color:#333;margin-bottom:5px}.user-info{display:flex;align-items:center;gap:10px;padding:15px 20px;border-bottom:1px solid #e0e0e0}.user-avatar{width:40px;height:40px;border-radius:50%;background:linear-gradient(135deg,#667eea,#764ba2);display:flex;align-items:center;justify-content:center;color:#fff;font-weight:600}.user-details{flex:1}.user-name{font-weight:600;color:#333}.user-email{font-size:12px;color:#666}.new-note-btn{margin:20px;padding:12px;background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;border:none;border-radius:8px;font-size:14px;font-weight:600;cursor:pointer;transition:transform .2s}.new-note-btn:hover{transform:translateY(-2px)}.sidebar-menu{flex:1;overflow-y:auto;padding:0 10px}.menu-item{padding:12px 15px;margin:5px 0;border-radius:8px;cursor:pointer;transition:background .2s;display:flex;align-items:center;gap:10px}.menu-item:hover{background:#f5f5f5}.menu-item.active{background:#e8eaf6;color:#667eea;font-weight:600}.logout-btn{margin:20px;padding:12px;background:#f44336;color:#fff;border:none;border-radius:8px;cursor:pointer}.main-content{flex:1;display:flex;flex-direction:column;overflow:hidden}.top-bar{background:#fff;padding:15px 30px;box-shadow:0 2px 10px #0000001a;display:flex;align-items:center;gap:20px}.search-box{flex:1;max-width:500px}.search-box input{width:100%;padding:10px 15px;border:2px solid #e0e0e0;border-radius:8px;font-size:14px}.search-box input:focus{outline:none;border-color:#667eea}.view-toggle{display:flex;gap:10px}.view-btn{padding:8px 12px;border:2px solid #e0e0e0;background:#fff;border-radius:6px;cursor:pointer;transition:all .2s}.view-btn.active{border-color:#667eea;background:#e8eaf6;color:#667eea}.notes-container{flex:1;padding:30px;overflow-y:auto;background:#ffffff1a}.notes-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:20px}.note-card{background:#fff;border-radius:12px;padding:20px;box-shadow:0 2px 10px #0000001a;cursor:pointer;transition:transform .2s,box-shadow .2s}.note-card:hover{transform:translateY(-5px);box-shadow:0 5px 20px #0003}.note-header{display:flex;justify-content:space-between;align-items:start;margin-bottom:10px}.note-title{font-size:18px;font-weight:600;color:#333;margin-bottom:5px}.note-date{font-size:12px;color:#999}.note-content{color:#666;font-size:14px;line-height:1.6;margin-bottom:15px;display:-webkit-box;-webkit-line-clamp:4;-webkit-box-orient:vertical;overflow:hidden}.note-tags{display:flex;flex-wrap:wrap;gap:5px}.tag{padding:4px 10px;background:#e8eaf6;color:#667eea;border-radius:12px;font-size:12px}.note-actions{display:flex;gap:5px}.action-btn{width:24px;height:24px;border:none;background:#f5f5f5;border-radius:4px;cursor:pointer;font-size:14px}.modal{display:none;position:fixed;top:0;left:0;width:100%;height:100%;background:#00000080;z-index:1000;align-items:center;justify-content:center}.modal.active{display:flex}.modal-content{background:#fff;width:90%;max-width:800px;max-height:90vh;border-radius:20px;overflow:hidden;display:flex;flex-direction:column}.modal-header{padding:20px;border-bottom:1px solid #e0e0e0;display:flex;justify-content:space-between;align-items:center}.modal-header h3{font-size:20px}.close-btn{width:32px;height:32px;border:none;background:#f5f5f5;border-radius:50%;cursor:pointer;font-size:20px}.modal-body{flex:1;padding:20px;overflow-y:auto}.editor-title{width:100%;padding:15px;border:none;font-size:24px;font-weight:600;margin-bottom:15px}.editor-title:focus{outline:none}.editor-content{width:100%;min-height:300px;padding:15px;border:2px solid #e0e0e0;border-radius:8px;font-size:14px;font-family:inherit;resize:vertical}.editor-content:focus{outline:none;border-color:#667eea}.modal-footer{padding:20px;border-top:1px solid #e0e0e0;display:flex;gap:10px;justify-content:flex-end}.btn-secondary{padding:10px 20px;background:#f5f5f5;border:none;border-radius:8px;cursor:pointer}.btn-primary{padding:10px 20px;background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;border:none;border-radius:8px;cursor:pointer}@media(max-width:768px){.sidebar{position:fixed;left:-280px;height:100vh;z-index:100;transition:left .3s}.sidebar.active{left:0}.notes-grid{grid-template-columns:1fr}}.deletemodal{display:none;position:fixed;inset:0;background:#000000a6;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);z-index:1000;align-items:center;justify-content:center}.deletemodal-content{background:#fff;padding:2rem 2.5rem;border-radius:16px;width:90%;max-width:400px;box-shadow:0 20px 40px #00000040;text-align:center}.deletemodal-content h3{margin:0 0 1rem;color:#e53e3e;font-size:1.6rem}.deletemodal-content p{margin:0 0 1.8rem;color:#4a5568;line-height:1.5}.modal-buttons{display:flex;gap:1rem;justify-content:center}.btn{padding:.75rem 1.8rem;border:none;border-radius:8px;font-size:1rem;font-weight:500;cursor:pointer;transition:all .2s}.btn.cancel{background:#edf2f7;color:#2d3748}.btn.cancel:hover{background:#e2e8f0}.btn.delete{background:#e53e3e;color:#fff}.btn.delete:hover{background:#c53030}