:root{--bg-color: #FDFBF7;--paper-color: #FFFFFF;--text-main: #4A4A4A;--text-muted: #9CA3AF;--primary: #D4A373;--primary-hover: #C28E5C;--accent: #E9C46A;--danger: #E76F51;--border: #E5E7EB;--shadow-sm: 0 2px 8px rgba(0,0,0,.05);--shadow-md: 0 8px 24px rgba(212, 163, 115, .15);--header-bg: rgba(253, 251, 247, .8)}[data-theme=dark]{--bg-color: #1A1A1A;--paper-color: #2D2D2D;--text-main: #E5E7EB;--text-muted: #6B7280;--primary: #E6BE8A;--primary-hover: #D4A373;--accent: #F4A261;--danger: #EF476F;--border: #404040;--shadow-sm: 0 2px 8px rgba(0,0,0,.2);--shadow-md: 0 8px 24px rgba(0,0,0,.4);--header-bg: rgba(26, 26, 26, .8)}*{box-sizing:border-box;margin:0;padding:0;font-family:Nunito,PingFang SC,sans-serif}body{background-color:var(--bg-color);color:var(--text-main);background-image:radial-gradient(var(--border) 1px,transparent 1px);background-size:24px 24px;transition:background-color .3s,color .3s;min-height:100vh;display:flex;justify-content:center}.app-container{width:100%;max-width:600px;min-height:100vh;background:var(--bg-color);box-shadow:var(--shadow-sm);position:relative;display:flex;flex-direction:column}.app-header{position:sticky;top:0;z-index:10;display:flex;justify-content:space-between;align-items:center;padding:16px 20px;background:var(--header-bg);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid var(--border)}.header-left,.header-right{display:flex;align-items:center;gap:12px}.app-title{font-size:20px;font-weight:700;color:var(--primary);letter-spacing:1px}.icon-btn{background:none;border:none;color:var(--text-main);cursor:pointer;padding:6px;border-radius:50%;display:flex;align-items:center;justify-content:center;transition:background .2s}.icon-btn:hover{background:var(--border)}.sync-badge{display:flex;align-items:center;gap:4px;font-size:12px;padding:4px 10px;border-radius:20px;font-weight:600;transition:all .3s}.sync-badge.idle{background:var(--border);color:var(--text-muted)}.sync-badge.syncing{background:#dbeafe;color:#2563eb;animation:pulse 1.5s infinite}.sync-badge.success{background:#d1fae5;color:#059669}.sync-badge.error{background:#fee2e2;color:#dc2626}@keyframes pulse{0%{opacity:.6}50%{opacity:1}to{opacity:.6}}.app-main{padding:20px;flex:1;display:flex;flex-direction:column}.date-selector-container{margin-bottom:24px;overflow:hidden}.date-scroll{display:flex;gap:12px;overflow-x:auto;padding-bottom:12px;scrollbar-width:none;flex-direction:row-reverse}.date-scroll::-webkit-scrollbar{display:none}.date-pill{min-width:64px;height:72px;border-radius:16px;border:2px solid var(--border);background:var(--paper-color);color:var(--text-muted);display:flex;flex-direction:column;align-items:center;justify-content:center;cursor:pointer;transition:all .2s cubic-bezier(.4,0,.2,1);position:relative;flex-shrink:0}.date-pill .day{font-size:20px;font-weight:700;color:var(--text-main)}.date-pill .month{font-size:12px}.date-pill.has-data:after{content:"";position:absolute;top:6px;right:6px;width:6px;height:6px;border-radius:50%;background:var(--primary)}.date-pill.selected{border-color:var(--primary);background:var(--primary);color:#fff;transform:translateY(-4px);box-shadow:var(--shadow-md)}.date-pill.selected .day{color:#fff}.today-dot{position:absolute;bottom:-6px;width:4px;height:4px;border-radius:50%;background:var(--accent)}.current-date-title{display:flex;align-items:center;gap:8px;font-size:16px;color:var(--text-muted);margin-bottom:16px}.entry-card{background:var(--paper-color);border-radius:20px;padding:24px;box-shadow:var(--shadow-sm);border:1px solid var(--border);position:relative}.entry-text-display{font-size:16px;line-height:2;color:var(--text-main);white-space:pre-wrap;min-height:150px;background-image:linear-gradient(transparent 95%,var(--border) 95%);background-size:100% 2em}.entry-actions{display:flex;justify-content:space-between;align-items:center;margin-top:24px;padding-top:16px;border-top:1px dashed var(--border)}.word-count{font-size:13px;color:var(--text-muted)}.action-btns{display:flex;gap:12px}.action-btn{display:flex;align-items:center;gap:4px;background:none;border:none;font-size:14px;cursor:pointer;padding:6px 12px;border-radius:8px;transition:background .2s}.action-btn.edit{color:var(--primary)}.action-btn.edit:hover{background:#d4a3731a}.action-btn.delete{color:var(--danger)}.action-btn.delete:hover{background:#e76f511a}.empty-state{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:40px 20px;text-align:center;background:var(--paper-color);border-radius:20px;border:2px dashed var(--border)}.empty-svg{margin-bottom:20px;animation:float 3s ease-in-out infinite}@keyframes float{0%,to{transform:translateY(0)}50%{transform:translateY(-10px)}}.empty-state p{color:var(--text-muted);margin-bottom:24px;font-size:15px}.primary-btn{display:flex;align-items:center;justify-content:center;gap:8px;background:var(--primary);color:#fff;border:none;padding:12px 24px;border-radius:12px;font-size:16px;font-weight:600;cursor:pointer;transition:all .2s;box-shadow:var(--shadow-sm)}.primary-btn:hover:not(:disabled){background:var(--primary-hover);transform:translateY(-2px);box-shadow:var(--shadow-md)}.primary-btn:disabled{opacity:.5;cursor:not-allowed}.secondary-btn{background:var(--paper-color);color:var(--text-main);border:1px solid var(--border);padding:12px 24px;border-radius:12px;font-size:16px;font-weight:600;cursor:pointer}.danger-btn{background:var(--danger);color:#fff;border:none;padding:12px 24px;border-radius:12px;font-size:16px;font-weight:600;cursor:pointer}.view-writing{display:flex;flex-direction:column;height:100%;flex:1}.editor-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px}.editor-header h2{font-size:18px;color:var(--text-main)}.diary-textarea{flex:1;width:100%;min-height:300px;background:var(--paper-color);border:1px solid var(--border);border-radius:16px;padding:20px;font-size:16px;line-height:1.8;color:var(--text-main);resize:none;outline:none;box-shadow:inset 0 2px 4px #00000005;transition:border-color .2s}.diary-textarea:focus{border-color:var(--primary)}.editor-footer{display:flex;justify-content:flex-end;gap:12px;margin-top:20px}.modal-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background:#00000080;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);display:flex;align-items:center;justify-content:center;z-index:100}.confirm-modal{background:var(--paper-color);padding:24px;border-radius:20px;width:90%;max-width:320px;text-align:center;box-shadow:var(--shadow-md)}.confirm-modal h3{color:var(--text-main);margin-bottom:12px}.confirm-modal p{color:var(--text-muted);font-size:14px;margin-bottom:24px}.modal-actions{display:flex;gap:12px;justify-content:center}.modal-actions button{flex:1}