*{box-sizing:border-box;margin:0;padding:0}:root{--primary-color:#3a86ff;--secondary-color:#8338ec;--accent-color:#ff006e;--light-color:#f8f9fa;--dark-color:#212529;--gray-color:#6c757d;--success-color:#06d6a0;--warning-color:#ffd166;--danger-color:#ef476f;--border-radius:12px;--box-shadow:0 4px 6px rgba(0,0,0,.1);--transition:all .3s ease}body{-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;color:var(--dark-color);background-color:#f5f7fa;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica Neue,sans-serif;line-height:1.6}.app{flex-direction:column;min-height:100vh;display:flex}.navigation{background:linear-gradient(135deg,var(--primary-color),var(--secondary-color));color:#fff;box-shadow:var(--box-shadow);z-index:1000;padding:1rem 0;position:-webkit-sticky;position:sticky;top:0}.nav-container{justify-content:space-between;align-items:center;max-width:1200px;margin:0 auto;padding:0 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#e0e0e0;margin-bottom:1.5rem;padding-bottom:.5rem;font-size:1.3rem}.monthly-chart{flex-direction:column;gap:1rem;display:flex}.monthly-item{align-items:center;gap:1rem;display:flex}.month-label{min-width:80px;color:var(--dark-color);font-weight:500}.month-bar{background-color:#e0e0e0;border-radius:10px;flex:1;height:20px;overflow:hidden}.month-bar-fill{background:linear-gradient(90deg,var(--primary-color),var(--secondary-color));height:100%;transition:width .8s}.month-count{text-align:right;min-width:50px;color:var(--gray-color);font-weight:500}.writing-habits{background-color:var(--light-color);border-radius:var(--border-radius);padding:1.5rem}.writing-habits h3{color:var(--dark-color);margin-bottom:1rem;font-size:1.3rem}.habits-info p{color:var(--dark-color);margin-bottom:.75rem;line-height:1.6}.highlight{color:var(--primary-color);font-size:1.1em;font-weight:700}.diary-modal-overlay{z-index:1000;background-color:rgba(0,0,0,.5);justify-content:center;align-items:center;animation:.3s 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.3s;display:flex}.close-btn:hover{background-color:var(--light-color);color:var(--dark-color)}.diary-modal-body{padding:20px}.diary-date{color:var(--primary-color);margin-bottom:15px;font-size:1.1rem;font-weight:500}.diary-content{color:var(--dark-color);white-space:pre-wrap;word-wrap:break-word;background-color:var(--light-color);border-radius:var(--border-radius);min-height:100px;margin-bottom:20px;padding:15px;line-height:1.8}.diary-stats{color:var(--gray-color);border-bottom:1px solid #e0e0e0;margin-bottom:20px;padding:10px 0;font-size:.9rem}.emotion-stats{background-color:var(--light-color);border-radius:var(--border-radius);margin-top:3rem;padding:2rem}.emotion-stats h3{color:var(--dark-color);border-bottom:2px solid 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h4{color:#333;margin-bottom:20px;font-size:18px;font-weight:600}.wall-chart{padding:10px 0;overflow-x:auto}.wall-months{color:#666;margin-bottom:5px;font-size:12px;display:flex}.wall-month-label{text-align:center;flex:none;width:28px;margin-left:28px}.wall-weekdays{float:left;flex-direction:column;margin-right:5px;display:flex}.wall-weekday-label{color:#666;flex:none;justify-content:center;align-items:center;height:28px;font-size:12px;display:flex}.wall-grid{flex-wrap:wrap;gap:2px;display:inline-flex}.wall-cell{background-color:#ebedf0;border-radius:1px;width:10px;height:10px;transition:transform .2s}.wall-cell:hover{z-index:1;transform:scale(1.5)}.wall-cell.positive{background-color:#52c41a}.wall-cell.neutral{background-color:#faad14}.wall-cell.negative{background-color:#f5222d}.wall-cell.none{background-color:#ebedf0}.trend-legend{flex-wrap:wrap;justify-content:center;gap:1.5rem;display:flex}.legend-item{color:var(--dark-color);align-items:center;gap:.5rem;font-size:.9rem;display:flex}.legend-color{background-color:#d9d9d9;border-radius:2px;width:12px;height:12px}.legend-color.positive{background-color:#52c41a}.legend-color.neutral{background-color:#faad14}.legend-color.negative{background-color:#f5222d}.legend-color.none{background-color:#ebedf0}.emotion-summary{border-radius:var(--border-radius);box-shadow:var(--box-shadow);background-color:#fff;padding:1.5rem}.emotion-summary h4{color:var(--dark-color);margin-bottom:1rem;font-size:1.1rem}.summary-content p{color:var(--dark-color);margin:0;line-height:1.6}.diary-modal .emotion-result{background-color:var(--light-color);border-radius:var(--border-radius);margin-top:20px;padding:15px}.diary-modal .emotion-header h4{margin:0;font-size:1.1rem}@keyframes slideUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.bookcase-container{border-radius:var(--border-radius);box-shadow:var(--box-shadow);background-color:#fff;padding:2rem}.bookcase-container h2{color:var(--primary-color);text-align:center;margin-bottom:1.5rem;font-size:2rem}.bookcase-intro{text-align:center;color:var(--gray-color);background-color:var(--light-color);border-radius:var(--border-radius);margin-bottom:2rem;padding:1rem}.shelves-container{flex-direction:column;gap:2rem;margin-bottom:2rem;display:flex}.shelf{background:linear-gradient(135deg,var(--light-color),#fff);border-radius:var(--border-radius);box-shadow:var(--box-shadow);min-height:300px;transition:var(--transition);border:1px solid #e0e0e0;padding:1.5rem}.shelf:hover{box-shadow:0 8px 16px 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0;display:grid}.shelf-item{transition:var(--transition);cursor:grab;background-color:#fff;border:1px solid #e0e0e0;border-radius:6px;padding:12px;font-size:14px;box-shadow:0 2px 6px rgba(0,0,0,.1)}.shelf-item:hover{transform:translateY(-3px);box-shadow:0 6px 12px rgba(0,0,0,.1)}.shelf-item:active{cursor:grabbing}.quote-item{flex-direction:column;gap:.5rem;display:flex}.quote-content{color:var(--dark-color);margin:0;font-style:italic;line-height:1.6}.quote-author{color:var(--primary-color);align-self:flex-end;margin:0;font-weight:500}.image-item{text-align:center;flex-direction:column;gap:.5rem;display:flex}.image-item img{object-fit:cover;border-radius:4px;width:100%;height:120px;margin-bottom:.5rem;transition:transform .3s}.image-item:hover img{transform:scale(1.02)}.image-alt{color:var(--gray-color);margin:0;font-size:.9rem}.note-item{flex-direction:column;gap:.5rem;display:flex}.note-item h4{color:var(--dark-color);border-bottom:1px solid #e0e0e0;margin:0;padding-bottom:.5rem;font-size:1.1rem}.note-item p{color:var(--dark-color);margin:0;line-height:1.6}.delete-btn{background-color:var(--danger-color);color:#fff;border-radius:var(--border-radius);cursor:pointer;transition:var(--transition);border:none;align-self:flex-start;margin-top:.5rem;padding:.35rem .75rem;font-size:.85rem}.delete-btn:hover{background-color:#e03e60;transform:translateY(-1px);box-shadow:0 2px 4px rgba(0,0,0,.15)}.bookcase-tips{background-color:var(--light-color);border-radius:var(--border-radius);padding:1.5rem}.bookcase-tips h4{color:var(--dark-color);margin-bottom:1rem;font-size:1.1rem}.bookcase-tips ul{padding:0;list-style:none}.bookcase-tips li{color:var(--dark-color);margin-bottom:.5rem;padding-left:1.5rem;line-height:1.6;position:relative}.bookcase-tips li:before{content:"•";color:var(--primary-color);font-weight:700;position:absolute;left:0}.shelf-item.dragging{opacity:.7;transform:rotate(1deg)scale(.95)}.shelf.drag-over{background:linear-gradient(135deg,#f0f4ff,#fff);box-shadow:0 0 0 3px rgba(58,134,255,.1)}.celebration-date{animation:2s infinite celebratePulse;position:relative}.celebration-emoji{color:gold;margin-left:10px;font-size:1.2em;animation:1s ease-in-out infinite celebrateJump;display:inline-block}.celebration-highlight{color:#4caf50;font-weight:700;animation:1.5s ease-in-out infinite alternate celebrateGlow}@keyframes celebratePulse{0%,to{transform:scale(1)}50%{transform:scale(1.02)}}@keyframes celebrateJump{0%,to{transform:translateY(0)}50%{transform:translateY(-5px)}}@keyframes celebrateGlow{0%{text-shadow:0 0 2px #4caf50}to{text-shadow:0 0 10px #4caf50,0 0 20px rgba(76,175,80,.5)}}.time-tracker-container{border-radius:var(--border-radius);box-shadow:var(--box-shadow);background-color:#fff;padding:2rem}.time-tracker-container h2{color:var(--primary-color);text-align:center;margin-bottom:1.5rem;font-size:2rem}.time-tracker-container h3{color:var(--dark-color);border-bottom:2px solid #e0e0e0;margin-bottom:1rem;padding-bottom:.5rem;font-size:1.3rem}.time-tracker-form{background:linear-gradient(135deg,var(--light-color),#fff);border-radius:var(--border-radius);box-shadow:var(--box-shadow);border:1px solid #e0e0e0;margin-bottom:2rem;padding:1.5rem}.form-group{margin-bottom:1.5rem}.form-group label{color:var(--dark-color);margin-bottom:.5rem;font-weight:500;display:block}.form-group input[type=text],.form-group input[type=number],.form-group select{border-radius:var(--border-radius);width:100%;transition:var(--transition);border:2px solid #e0e0e0;padding:.75rem 1rem;font-size:1rem}.form-group input[type=text]:focus,.form-group input[type=number]:focus,.form-group select:focus{border-color:var(--primary-color);outline:none;box-shadow:0 0 0 3px rgba(58,134,255,.1)}.time-input-group{align-items:center;gap:1rem;display:flex}.time-input-group input{flex:1;max-width:120px}.time-input-group span{color:var(--gray-color);font-weight:500}.radio-group{gap:2rem;display:flex}.radio-group label{cursor:pointer;align-items:center;gap:.5rem;font-weight:400;display:flex}.radio-group input[type=radio]{width:auto;margin:0}.submit-btn{background:linear-gradient(135deg,var(--primary-color),var(--secondary-color));color:#fff;border-radius:var(--border-radius);cursor:pointer;transition:var(--transition);border:none;width:100%;padding:.75rem 2rem;font-size:1rem;font-weight:500;box-shadow:0 2px 4px rgba(0,0,0,.1)}.submit-btn:hover{transform:translateY(-2px);box-shadow:0 4px 8px 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