:root{--bg-color: #e8e8e8;--paper-color: #fdfbf7;--text-color: #2d3436;--accent-color: #ff9f43;--danger-color: #ff6b6b;--gold: #f1c40f;--shadow-soft: 6px 6px 12px #c5c5c5, -6px -6px 12px #ffffff;--shadow-inset: inset 4px 4px 8px #d1d1d1, inset -4px -4px 8px #ffffff;--safe-top: env(safe-area-inset-top);--safe-bottom: env(safe-area-inset-bottom)}*{box-sizing:border-box;-webkit-tap-highlight-color:transparent;user-select:none}html,body{margin:0;padding:0;width:100%;height:100%;background-color:var(--bg-color);font-family:Nunito,sans-serif;overflow:hidden}body{color:var(--text-color);display:flex;justify-content:center;align-items:flex-start}input,textarea{user-select:text}#app{position:relative;width:100%;max-width:480px;height:100%;height:100dvh;overflow:hidden;background-color:var(--bg-color);box-shadow:0 0 40px #0000001a}.view{position:absolute;top:0;left:0;width:100%;height:100%;display:flex;flex-direction:column;transition:transform .3s cubic-bezier(.2,.8,.2,1);background-color:var(--bg-color);z-index:1;padding-top:var(--safe-top)}.view.hidden{transform:translate3d(100%,0,0);pointer-events:none}.view.slide-left{transform:translate3d(-25%,0,0);opacity:.8;pointer-events:none}header{padding:calc(15px + var(--safe-top)) 20px 10px 20px;display:flex;flex-direction:column;z-index:10}.header-top{display:flex;align-items:flex-start;justify-content:space-between;width:100%;gap:10px}.header-left{flex:1;min-width:0}.header-right{display:flex;flex-shrink:0}h1{font-size:1.4rem;font-weight:800;color:#57606f;margin:0 0 8px;transition:all .3s ease}#search-wrapper{display:none;width:100%;margin-top:5px;animation:fadeIn .4s cubic-bezier(.175,.885,.32,1.275)}@keyframes fadeIn{0%{opacity:0;transform:translateY(-5px)}to{opacity:1;transform:translateY(0)}}.search-active #search-wrapper{display:block}.search-active .gamification-bar{display:none}.search-active h1{margin-bottom:5px}#search-input{width:100%;padding:12px 18px;border-radius:20px;border:none;background:#fff;box-shadow:inset 4px 4px 8px #d1d1d1,inset -4px -4px 8px #fff;font-family:Nunito,sans-serif;font-weight:700;outline:none;font-size:1rem;color:var(--text-color);transition:all .3s ease;border:1px solid rgba(0,0,0,.05)}#search-input:focus{box-shadow:0 0 0 3px #ff9f4333;border-color:var(--accent-color)}.selection-mode-bar{position:fixed;bottom:calc(25px + var(--safe-bottom));left:20px;right:20px;background:#ffffffe6;backdrop-filter:blur(10px);padding:15px;border-radius:24px;box-shadow:0 10px 30px #00000026;display:none;gap:10px;z-index:200;max-width:440px;margin:0 auto;border:1px solid rgba(255,255,255,.5);animation:slideUp .3s cubic-bezier(.175,.885,.32,1.275)}@keyframes slideUp{0%{transform:translateY(100px);opacity:0}to{transform:translateY(0);opacity:1}}.selection-mode-bar.active{display:flex}.selection-btn{flex:1;padding:12px;border:none;border-radius:12px;font-family:Nunito,sans-serif;font-weight:700;cursor:pointer;transition:all .2s}.selection-btn.primary{background:var(--accent-color);color:#fff;box-shadow:0 4px 15px #ff9f434d}.selection-btn.danger{background:var(--danger-color);color:#fff;box-shadow:0 4px 15px #ff6b6b4d}.selection-btn.secondary{background:var(--bg-color);color:#636e72;box-shadow:var(--shadow-soft)}.selection-btn:active{transform:scale(.95)}.note-card.selection-mode{padding-left:50px;position:relative}.note-checkbox{position:absolute;left:15px;top:50%;transform:translateY(-50%);width:24px;height:24px;cursor:pointer;accent-color:var(--accent-color)}.note-card.selected{background:linear-gradient(135deg,#ff9f431a,#ff9f430d);border-left-color:var(--accent-color)!important}.app-footer{text-align:center;padding:30px 20px 100px;color:#b2bec3;font-size:.85rem;font-weight:600}.app-footer a{color:#8395a7;text-decoration:none}.gamification-bar{display:flex;gap:8px;margin-top:8px;flex-wrap:wrap;transition:all .3s ease}.chip{background:var(--paper-color);padding:10px 16px;border-radius:20px;font-size:.85rem;font-weight:800;color:#636e72;box-shadow:3px 3px 8px #a4b0be66,-3px -3px 8px #fffc;display:flex;align-items:center;gap:8px;cursor:pointer;transition:all .2s cubic-bezier(.175,.885,.32,1.275);border:2px solid transparent;min-width:110px;justify-content:center}.chip:active{transform:scale(.95)}.chip:hover{transform:translateY(-1px)}.chip.gold{color:#e67e22;background:#fff8e1;border-color:#ffeaa7;animation:pulse-gold 2s infinite}.chip.level-chip{color:#2980b9;background:#eef9ff;border-color:#bae6fd}@keyframes pulse-gold{0%{box-shadow:0 0 #ff9f4366}70%{box-shadow:0 0 0 6px #ff9f4300}to{box-shadow:0 0 #ff9f4300}}.reward-list{text-align:left;margin:20px 0;font-size:.95rem;color:#2d3436;line-height:1.5}.reward-item{margin-bottom:12px;display:flex;gap:12px;align-items:flex-start;padding:10px;background:#f1f2f680;border-radius:8px}.reward-icon{font-size:1.3rem;min-width:28px;line-height:1}.level-timeline{display:flex;flex-direction:column;gap:0;margin:20px 0;position:relative;padding-left:20px}.level-timeline:before{content:"";position:absolute;top:10px;bottom:10px;left:7px;width:2px;background:#dfe6e9;z-index:0}.level-step{position:relative;z-index:1;padding-bottom:20px;display:flex;align-items:flex-start;gap:15px;opacity:.5;transition:all .3s}.level-step.passed{opacity:1}.level-step.active{opacity:1;transform:scale(1.02)}.level-step:last-child{padding-bottom:0}.step-dot{width:16px;height:16px;border-radius:50%;background:#dfe6e9;border:2px solid #fff;box-shadow:0 0 0 2px #dfe6e9;margin-top:4px;flex-shrink:0}.level-step.passed .step-dot{background:#2ecc71;box-shadow:0 0 0 2px #2ecc71}.level-step.active .step-dot{background:var(--accent-color);box-shadow:0 0 0 4px #ff9f434d;transform:scale(1.2)}.step-content{text-align:left;flex:1}.step-title{font-weight:800;font-size:.95rem;color:#2d3436;margin-bottom:2px}.step-desc{font-size:.8rem;color:#636e72}.step-xp{font-size:.75rem;color:#b2bec3;font-weight:700;margin-top:2px}.modal-center{align-items:center;justify-content:center}.level-card{background:var(--paper-color);padding:25px;border-radius:25px;text-align:center;width:90%;max-width:400px;max-height:85vh;overflow-y:auto;box-shadow:0 10px 30px #0003;transform:scale(.8);transition:transform .3s;scrollbar-width:thin;scrollbar-color:rgba(0,0,0,.1) transparent}.level-card::-webkit-scrollbar{width:8px}.level-card::-webkit-scrollbar-track{background:transparent}.level-card::-webkit-scrollbar-thumb{background:#0006;border-radius:10px;border:2px solid var(--paper-color)}.level-card::-webkit-scrollbar-thumb:hover{background:var(--accent-color)}.modal-overlay.active .level-card{transform:scale(1)}.btn-claim{background:var(--accent-color);color:#fff;border:none;padding:12px 30px;border-radius:30px;font-weight:800;margin-top:15px;cursor:pointer;box-shadow:0 4px 15px #ff9f4380}.btn-icon{width:44px;height:44px;border-radius:12px;border:none;background:var(--bg-color);box-shadow:5px 5px 10px #d1d1d1,-5px -5px 10px #fff;color:#747d8c;display:flex;align-items:center;justify-content:center;font-size:1.2rem;cursor:pointer;outline:none;margin-left:12px;transition:all .2s ease}.btn-icon:hover{transform:translateY(-1px)}.btn-icon:active{box-shadow:var(--shadow-inset);transform:scale(.95)}.btn-icon.active{color:var(--accent-color);box-shadow:var(--shadow-inset)}.btn-icon.danger{color:var(--danger-color)}#note-list{flex:1;overflow-y:auto;padding:10px 20px calc(100px + var(--safe-bottom)) 20px;display:flex;flex-direction:column;gap:20px;scrollbar-width:thin;scrollbar-color:rgba(0,0,0,.3) transparent}#note-list::-webkit-scrollbar{width:8px}#note-list::-webkit-scrollbar-thumb{background:#0000004d;border-radius:10px;border:2px solid var(--bg-color)}.note-card{background:var(--paper-color);padding:15px;border-radius:15px;box-shadow:5px 5px 10px #d1d1d1,-5px -5px 10px #fff;position:relative;overflow:hidden;border-left:5px solid transparent;display:flex;flex-direction:column;transition:transform .2s}.note-card:active{transform:scale(.98)}.note-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:5px}.note-card h3{margin:0;font-size:1.1rem;color:#2d3436;max-width:75%;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.note-date{font-size:.7rem;color:#b2bec3;font-weight:700}.note-preview{font-family:Patrick Hand,cursive;color:#636e72;font-size:1rem;margin-bottom:8px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.note-meta{font-size:.7rem;color:#a4b0be;font-weight:700;display:flex;gap:10px;border-top:1px dashed rgba(0,0,0,.1);padding-top:8px}.fab{position:fixed;bottom:calc(30px + var(--safe-bottom));right:30px;width:60px;height:60px;border-radius:50%;background:var(--bg-color);border:none;box-shadow:5px 5px 10px #c5c5c5,-5px -5px 10px #fff;color:var(--accent-color);font-size:2rem;display:flex;align-items:center;justify-content:center;cursor:pointer;z-index:100}.fab:active{box-shadow:var(--shadow-inset);transform:scale(.9)}#editor-container{flex:1;background:var(--paper-color);margin:5px 15px calc(15px + var(--safe-bottom)) 15px;border-radius:16px;box-shadow:inset 2px 2px 6px #0000000d;display:flex;flex-direction:column;overflow:hidden;position:relative}#editor-container:after{content:"";position:absolute;top:60px;left:30px;bottom:20px;width:2px;background:#ff634833;pointer-events:none}#note-title{width:100%;padding:20px 20px 10px;border:none;background:transparent;font-family:Nunito,sans-serif;font-weight:800;font-size:1.3rem;color:#2d3436;outline:none}#note-body{flex:1;width:100%;padding:0 20px 20px 45px;border:none;resize:none;background:transparent;font-family:Patrick Hand,cursive;font-size:1.4rem;line-height:2.2rem;color:#2d3436;outline:none;background-image:linear-gradient(#a4b0be33 1px,transparent 1px);background-size:100% 2.2rem;background-attachment:local}#note-title::placeholder,#note-body::placeholder{color:#b2bec3;opacity:.7}.modal-overlay{position:fixed;top:0;left:0;width:100%;height:100%;background:#0006;backdrop-filter:blur(3px);z-index:999;display:flex;opacity:0;pointer-events:none;transition:opacity .3s}.modal-overlay.active{opacity:1;pointer-events:auto}.modal-sheet{margin-top:auto;width:100%;background:var(--bg-color);border-radius:25px 25px 0 0;padding:30px;transform:translateY(100%);transition:transform .3s cubic-bezier(.2,.8,.2,1)}.modal-overlay.active .modal-sheet{transform:translateY(0)}.export-btn{width:100%;background:var(--paper-color);border:none;padding:15px;border-radius:12px;font-weight:700;color:#636e72;display:flex;align-items:center;gap:15px;cursor:pointer;box-shadow:3px 3px 6px #d1d1d1,-3px -3px 6px #fff;margin-bottom:12px;font-size:1rem}.export-btn:active{transform:scale(.98)}#toast{position:fixed;top:calc(20px + var(--safe-top));left:50%;transform:translate(-50%) translateY(-20px);background:#fffffff2;padding:10px 24px;border-radius:30px;font-size:.9rem;color:#2d3436;box-shadow:0 10px 25px #0000001a;opacity:0;transition:all .4s cubic-bezier(.175,.885,.32,1.275);pointer-events:none;z-index:1000;font-weight:800;border:1px solid rgba(0,0,0,.05)}#toast.show{opacity:1;transform:translate(-50%) translateY(0)}#toast:before{content:"✓";color:#2ecc71;margin-right:8px;font-size:1rem}@media print{#app,.modal-overlay,#toast{display:none!important}html,body{height:auto;background:#fff!important;overflow:visible!important;display:block!important}#print-area{display:block!important;position:relative;width:100%;padding:0;color:#000;background:#fff;font-family:Times New Roman,serif}#print-area h1{font-family:Nunito,sans-serif;font-size:24pt;margin-bottom:10px;color:#000;border-bottom:2px solid #000;padding-bottom:10px}#print-area .meta-info{font-family:Nunito,sans-serif;font-size:10pt;color:#555;margin-bottom:30px;font-style:italic}#print-area .content-body{font-size:12pt;line-height:1.6;white-space:pre-wrap;text-align:justify}}#print-area{display:none}.empty-msg{text-align:center;color:#b2bec3;margin-top:50px;font-style:italic}#redeem-modal .modal-sheet{height:auto;max-height:80vh}.redeem-form{display:flex;flex-direction:column;gap:15px;margin-top:15px}.redeem-input{width:100%;padding:12px;border-radius:10px;border:1px solid #dcdde1;font-family:inherit;font-size:.95rem;outline:none}.file-upload-label{display:flex;align-items:center;justify-content:center;gap:10px;padding:20px;border:2px dashed #b2bec3;border-radius:10px;color:#636e72;font-weight:700;cursor:pointer;text-align:center}#redeem-file{display:none}