.home-page{min-height:100vh;display:flex;flex-direction:column}.home-header{display:flex;align-items:center;justify-content:space-between;padding:16px 20px;background:var(--card-bg);border-bottom:1px solid var(--border);position:sticky;top:0;z-index:10}.app-title{font-size:20px;font-weight:700;color:var(--primary);letter-spacing:-.5px}.header-actions{display:flex;gap:4px}.icon-btn{width:38px;height:38px;display:flex;align-items:center;justify-content:center;border-radius:var(--radius-sm);font-size:18px;transition:background .2s}.icon-btn:hover{background:var(--bg)}.icon-btn.active{background:var(--primary-light)}.search-bar{padding:12px 20px;background:var(--card-bg);border-bottom:1px solid var(--border);display:flex;flex-direction:column;gap:8px}.search-bar input{padding:8px 14px;font-size:14px;background:var(--bg);border:1px solid transparent}.search-bar input:focus{background:var(--card-bg)}.time-filters{display:flex;gap:6px}.filter-btn{padding:4px 12px;font-size:12px;border-radius:20px;background:var(--bg);color:var(--text-secondary);border:1px solid var(--border);transition:all .2s}.filter-btn.active{background:var(--primary);color:#fff;border-color:var(--primary)}.editor-section{padding:16px 20px;background:var(--card-bg);position:relative}.note-editor{width:100%;min-height:180px;border:2px dashed var(--border);border-radius:var(--radius);padding:16px;font-size:16px;line-height:1.8;resize:vertical;background:var(--bg);transition:border-color .2s;color:var(--text)}.note-editor:focus{border-color:var(--primary);border-style:solid;background:var(--card-bg)}.note-editor::placeholder{color:var(--text-hint);font-size:14px}.close-editor-btn{position:absolute;top:24px;right:28px;background:var(--primary);color:#fff;padding:6px 16px;border-radius:20px;font-size:13px;font-weight:600}.close-editor-btn:hover{background:var(--primary-hover)}.sync-hint{font-size:12px;position:absolute;bottom:20px;right:28px}.sync-syncing{color:var(--text-hint);animation:pulse 1.5s infinite}@keyframes pulse{0%,to{opacity:.5}50%{opacity:1}}.sync-failed{color:var(--danger);cursor:pointer;text-decoration:underline}.notes-list{flex:1;padding:12px 20px 40px}.empty-notes{text-align:center;padding:60px 20px;color:var(--text-hint)}.empty-notes p:first-child{font-size:18px;color:var(--text-secondary);margin-bottom:8px}.empty-notes .hint{font-size:13px}.note-card{background:var(--card-bg);border-radius:var(--radius);padding:16px 18px;margin-bottom:10px;box-shadow:var(--shadow);cursor:pointer;transition:all .2s;position:relative}.note-card:hover{box-shadow:var(--shadow-md);transform:translateY(-1px)}.note-card.editing{border:2px solid var(--primary);background:var(--primary-light)}.note-preview{font-size:14px;line-height:1.7;color:var(--text);white-space:pre-wrap;word-break:break-word;max-height:120px;overflow:hidden;margin-bottom:10px}.inline-tag{color:var(--tag-color);background:var(--tag-bg);border-radius:3px;padding:1px 2px;font-weight:600}.note-meta{display:flex;align-items:center;justify-content:space-between}.note-time{font-size:12px;color:var(--text-hint)}.delete-btn{width:28px;height:28px;display:flex;align-items:center;justify-content:center;border-radius:50%;color:var(--text-hint);font-size:14px;transition:all .2s;opacity:0}.note-card:hover .delete-btn{opacity:1}.delete-btn:hover{background:#fef2f2;color:var(--danger)}.settings-page{min-height:100vh}.settings-header{display:flex;align-items:center;gap:16px;padding:16px 20px;background:var(--card-bg);border-bottom:1px solid var(--border)}.settings-header h1{font-size:18px;font-weight:600}.back-btn{color:var(--primary);font-weight:600;font-size:14px}.back-btn:hover{opacity:.8}.settings-content{padding:20px}.setting-group{background:var(--card-bg);border-radius:var(--radius);padding:16px 18px;margin-bottom:12px;box-shadow:var(--shadow)}.setting-group h3{font-size:13px;color:var(--text-hint);text-transform:uppercase;letter-spacing:.5px;margin-bottom:12px}.setting-item{display:flex;justify-content:space-between;align-items:center;padding:6px 0;font-size:14px}.setting-item span:last-child{color:var(--text-secondary)}.sync-status{font-size:12px;padding:2px 10px;border-radius:12px}.sync-status.synced{background:#ecfdf5;color:#059669}.sync-status.syncing{background:#eff6ff;color:#2563eb}.sync-status.failed{background:#fef2f2;color:var(--danger)}.setting-desc{font-size:13px;color:var(--text-hint);margin-top:8px}.logout-confirm{text-align:center}.logout-confirm p{font-size:14px;color:var(--text-secondary);margin-bottom:12px}.confirm-btns{display:flex;gap:10px;justify-content:center}@media (max-width: 480px){#root{max-width:100%}.home-header,.editor-section{padding:12px 16px}.note-editor{min-height:140px;font-size:15px}.notes-list{padding:10px 16px 40px}.note-card{padding:14px}.auth-card{padding:28px 20px}}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}:root{--bg: #f8f9fa;--card-bg: #ffffff;--text: #1a1a2e;--text-secondary: #6b7280;--text-hint: #9ca3af;--border: #e5e7eb;--primary: #4f46e5;--primary-hover: #4338ca;--primary-light: #eef2ff;--danger: #ef4444;--danger-hover: #dc2626;--tag-color: #7c3aed;--tag-bg: #f5f3ff;--shadow: 0 1px 3px rgba(0, 0, 0, .08);--shadow-md: 0 4px 12px rgba(0, 0, 0, .1);--radius: 10px;--radius-sm: 6px;--font-mono: "SF Mono", "Fira Code", "Cascadia Code", monospace}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;background:var(--bg);color:var(--text);line-height:1.6;-webkit-font-smoothing:antialiased;min-height:100vh}#root{max-width:720px;margin:0 auto;min-height:100vh}button{cursor:pointer;border:none;background:none;font-family:inherit;font-size:inherit}input,textarea{font-family:inherit;font-size:inherit;border:1px solid var(--border);border-radius:var(--radius-sm);padding:10px 14px;outline:none;transition:border-color .2s;width:100%}input:focus,textarea:focus{border-color:var(--primary);box-shadow:0 0 0 3px #4f46e51a}.loading-screen{display:flex;flex-direction:column;align-items:center;justify-content:center;height:100vh;gap:12px;color:var(--text-secondary)}.spinner{width:32px;height:32px;border:3px solid var(--border);border-top-color:var(--primary);border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.auth-page{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:20px}.auth-card{background:var(--card-bg);border-radius:var(--radius);padding:40px 32px;width:100%;max-width:400px;box-shadow:var(--shadow-md)}.auth-card h1{font-size:24px;font-weight:700;margin-bottom:4px;color:var(--text)}.auth-subtitle{color:var(--text-secondary);font-size:14px;margin-bottom:28px}.auth-card form{display:flex;flex-direction:column;gap:6px}.auth-card label{font-size:13px;font-weight:600;color:var(--text-secondary);margin-top:10px}.auth-error{color:var(--danger);font-size:13px;background:#fef2f2;padding:8px 12px;border-radius:var(--radius-sm);margin-top:4px}.auth-success{color:#059669;font-size:13px;background:#ecfdf5;padding:8px 12px;border-radius:var(--radius-sm);margin-top:4px}.btn-primary{background:var(--primary);color:#fff;padding:12px;border-radius:var(--radius-sm);font-weight:600;font-size:15px;margin-top:18px;transition:background .2s}.btn-primary:hover{background:var(--primary-hover)}.btn-primary:disabled{opacity:.6;cursor:not-allowed}.btn-secondary{background:var(--bg);color:var(--text);padding:10px 18px;border-radius:var(--radius-sm);font-weight:500;font-size:14px;border:1px solid var(--border);transition:all .2s}.btn-secondary:hover{background:var(--border)}.btn-danger{background:var(--danger);color:#fff;padding:10px 18px;border-radius:var(--radius-sm);font-weight:500;font-size:14px;transition:background .2s}.btn-danger:hover{background:var(--danger-hover)}.auth-switch{margin-top:20px;text-align:center;font-size:14px;color:var(--text-secondary)}.auth-links{margin-top:14px;text-align:center}.link-btn{color:var(--primary);font-weight:600;font-size:14px;text-decoration:underline;text-underline-offset:2px}.link-btn:hover{color:var(--primary-hover)}