:root{--bg-primary: #0f172a;--bg-secondary: #1e293b;--bg-tertiary: #334155;--bg-card: #1e293b;--text-primary: #f1f5f9;--text-secondary: #94a3b8;--text-muted: #64748b;--accent: #6366f1;--accent-light: #818cf8;--accent-glow: rgba(99, 102, 241, .3);--border: #334155;--danger: #f43f5e;--success: #22c55e;--radius: 14px;--radius-sm: 10px;--safe-top: env(safe-area-inset-top, 0px);--safe-bottom: env(safe-area-inset-bottom, 0px)}*{margin:0;padding:0;box-sizing:border-box;-webkit-tap-highlight-color:transparent}html,body,#root{height:100%;width:100%;overflow:hidden}body{font-family:-apple-system,BlinkMacSystemFont,PingFang SC,Helvetica Neue,sans-serif;background:var(--bg-primary);color:var(--text-primary);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;-webkit-user-select:none;user-select:none}input,textarea{-webkit-user-select:text;user-select:text}.app{display:flex;flex-direction:column;height:100%;max-width:480px;margin:0 auto;position:relative;overflow:hidden}.header{padding:calc(var(--safe-top) + 12px) 20px 12px;display:flex;align-items:center;justify-content:space-between;background:var(--bg-primary);z-index:10;flex-shrink:0}.header-title{font-size:22px;font-weight:700;background:linear-gradient(135deg,var(--accent-light),#c084fc);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.header-actions{display:flex;gap:8px}.icon-btn{width:40px;height:40px;border-radius:50%;border:none;background:var(--bg-secondary);color:var(--text-secondary);font-size:18px;display:flex;align-items:center;justify-content:center;cursor:pointer;transition:all .2s}.icon-btn:active{transform:scale(.92);background:var(--bg-tertiary)}.tab-bar{display:flex;padding:0 20px;gap:4px;flex-shrink:0;background:var(--bg-primary)}.tab-item{flex:1;padding:10px 0;text-align:center;font-size:13px;font-weight:500;color:var(--text-muted);border:none;background:none;cursor:pointer;border-bottom:2px solid transparent;transition:all .2s}.tab-item.active{color:var(--accent-light);border-bottom-color:var(--accent)}.content{flex:1;overflow-y:auto;overflow-x:hidden;padding:12px 16px;padding-bottom:calc(80px + var(--safe-bottom));-webkit-overflow-scrolling:touch}.idea-card{background:var(--bg-card);border-radius:var(--radius);padding:16px;margin-bottom:10px;border:1px solid var(--border);transition:all .2s;position:relative}.idea-card:active{transform:scale(.98)}.idea-card .card-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:10px}.idea-card .card-category{font-size:12px;padding:3px 10px;border-radius:20px;font-weight:500}.idea-card .card-time{font-size:11px;color:var(--text-muted)}.idea-card .card-content{font-size:15px;line-height:1.6;color:var(--text-primary);word-break:break-all}.idea-card .card-content a{color:var(--accent-light);text-decoration:none}.idea-card .card-image{width:100%;max-height:300px;object-fit:cover;border-radius:var(--radius-sm);margin-top:10px}.idea-card .card-actions{display:flex;gap:12px;margin-top:12px;padding-top:10px;border-top:1px solid var(--border)}.card-action-btn{font-size:12px;color:var(--text-muted);background:none;border:none;cursor:pointer;padding:4px 0}.card-action-btn:active{color:var(--text-primary)}.card-action-btn.danger:active{color:var(--danger)}.date-group{margin-bottom:4px}.date-label{font-size:13px;font-weight:600;color:var(--text-muted);padding:8px 4px 6px;position:sticky;top:0;background:var(--bg-primary);z-index:2}.fab{position:fixed;bottom:calc(24px + var(--safe-bottom));left:50%;transform:translate(-50%);width:60px;height:60px;border-radius:50%;background:linear-gradient(135deg,var(--accent),#8b5cf6);color:#fff;border:none;font-size:28px;display:flex;align-items:center;justify-content:center;cursor:pointer;box-shadow:0 4px 20px var(--accent-glow);z-index:100;transition:all .2s}.fab:active{transform:translate(-50%) scale(.9)}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#0009;z-index:200;display:flex;align-items:flex-end;justify-content:center;animation:fadeIn .2s}.modal-sheet{background:var(--bg-secondary);width:100%;max-width:480px;border-radius:20px 20px 0 0;padding:20px;padding-bottom:calc(20px + var(--safe-bottom));max-height:85vh;overflow-y:auto;animation:slideUp .3s ease-out}.modal-center{align-items:center}.modal-center .modal-sheet{border-radius:20px;margin:0 16px;max-height:80vh}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes slideUp{0%{transform:translateY(100%)}to{transform:translateY(0)}}.modal-handle{width:36px;height:4px;background:var(--bg-tertiary);border-radius:2px;margin:0 auto 16px}.modal-title{font-size:18px;font-weight:600;margin-bottom:16px}.form-group{margin-bottom:16px}.form-label{font-size:13px;font-weight:500;color:var(--text-secondary);margin-bottom:8px;display:block}.form-input{width:100%;padding:12px 16px;border-radius:var(--radius-sm);border:1px solid var(--border);background:var(--bg-primary);color:var(--text-primary);font-size:15px;outline:none;transition:border-color .2s;font-family:inherit}.form-input:focus{border-color:var(--accent)}textarea.form-input{min-height:100px;resize:vertical;line-height:1.6}.btn-primary{width:100%;padding:14px;border-radius:var(--radius-sm);border:none;background:linear-gradient(135deg,var(--accent),#8b5cf6);color:#fff;font-size:16px;font-weight:600;cursor:pointer;transition:all .2s}.btn-primary:active{transform:scale(.98);opacity:.9}.btn-primary:disabled{opacity:.5;cursor:not-allowed}.btn-secondary{width:100%;padding:12px;border-radius:var(--radius-sm);border:1px solid var(--border);background:var(--bg-tertiary);color:var(--text-primary);font-size:14px;font-weight:500;cursor:pointer;transition:all .2s}.btn-secondary:active{transform:scale(.98)}.category-tags{display:flex;flex-wrap:wrap;gap:10px}.category-tag{padding:10px 18px;border-radius:22px;font-size:14px;font-weight:500;border:2px solid transparent;cursor:pointer;transition:all .2s;-webkit-tap-highlight-color:transparent;touch-action:manipulation;min-height:42px;display:inline-flex;align-items:center;justify-content:center}.category-tag:active{transform:scale(.95);opacity:.85}.category-tag.selected{border-color:#fff;box-shadow:0 0 12px #ffffff26;transform:scale(1.02)}.category-tag.add-tag{background:var(--bg-tertiary);color:var(--text-secondary);border:2px dashed var(--text-muted)}.category-tag.add-tag:active{background:var(--bg-primary);border-color:var(--accent);color:var(--accent-light)}.inline-cat-creator{display:flex;gap:8px;margin-top:10px;animation:fadeIn .2s}.inline-cat-creator input{flex:1;padding:10px 14px;border-radius:var(--radius-sm);border:1px solid var(--border);background:var(--bg-primary);color:var(--text-primary);font-size:14px;outline:none;font-family:inherit}.inline-cat-creator input:focus{border-color:var(--accent)}.inline-cat-creator button{padding:10px 16px;border-radius:var(--radius-sm);border:none;background:var(--accent);color:#fff;font-size:13px;font-weight:500;cursor:pointer;white-space:nowrap}.inline-cat-creator button:active{opacity:.85}.empty-cat-hint{color:var(--text-muted);font-size:13px;text-align:center;padding:12px;line-height:1.5}.view-toggle{display:flex;background:var(--bg-secondary);border-radius:10px;padding:3px;gap:2px;flex:1}.view-toggle-btn{flex:1;padding:8px 0;text-align:center;font-size:13px;font-weight:500;color:var(--text-muted);border:none;background:none;border-radius:8px;cursor:pointer;transition:all .2s}.view-toggle-btn.active{background:var(--bg-tertiary);color:var(--text-primary);box-shadow:0 1px 4px #0003}.view-toggle-btn:active{transform:scale(.97)}.cat-view-header{display:flex;align-items:center;justify-content:space-between;padding:14px 16px;background:var(--bg-card);border-radius:var(--radius-sm);border:1px solid var(--border);cursor:pointer;transition:all .2s;margin-bottom:2px}.cat-view-header:active{background:var(--bg-tertiary);transform:scale(.99)}.filter-bar{display:flex;gap:6px;padding:4px 0 12px;overflow-x:auto;flex-shrink:0;-webkit-overflow-scrolling:touch}.filter-bar::-webkit-scrollbar{display:none}.filter-chip{flex-shrink:0;padding:6px 14px;border-radius:20px;font-size:12px;font-weight:500;background:var(--bg-secondary);color:var(--text-secondary);border:1px solid var(--border);cursor:pointer;transition:all .2s;white-space:nowrap}.filter-chip.active{border-color:var(--accent);color:var(--accent-light);background:#6366f11a}.report-section{margin-bottom:20px}.report-section-title{font-size:16px;font-weight:600;margin-bottom:10px;display:flex;align-items:center;gap:8px}.report-section-title .dot{width:8px;height:8px;border-radius:50%;flex-shrink:0}.report-stat{display:flex;gap:12px;margin-bottom:16px}.stat-card{flex:1;background:var(--bg-card);border-radius:var(--radius-sm);padding:14px;text-align:center;border:1px solid var(--border)}.stat-value{font-size:28px;font-weight:700;background:linear-gradient(135deg,var(--accent-light),#c084fc);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.stat-label{font-size:12px;color:var(--text-muted);margin-top:4px}.report-idea-item{padding:10px 14px;background:var(--bg-card);border-radius:var(--radius-sm);margin-bottom:6px;border:1px solid var(--border)}.report-idea-item .ri-time{font-size:11px;color:var(--text-muted)}.report-idea-item .ri-content{font-size:14px;margin-top:4px;line-height:1.5}.week-selector{display:flex;align-items:center;justify-content:center;gap:16px;padding:8px 0 16px}.week-nav-btn{width:36px;height:36px;border-radius:50%;border:1px solid var(--border);background:var(--bg-secondary);color:var(--text-secondary);font-size:16px;display:flex;align-items:center;justify-content:center;cursor:pointer}.week-nav-btn:active{background:var(--bg-tertiary)}.week-label{font-size:14px;font-weight:500;color:var(--text-primary)}.empty-state{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:60px 20px;text-align:center}.empty-icon{font-size:48px;margin-bottom:16px}.empty-title{font-size:16px;font-weight:600;color:var(--text-secondary);margin-bottom:8px}.empty-desc{font-size:13px;color:var(--text-muted);line-height:1.5}.suggest-badge{display:inline-flex;align-items:center;gap:4px;padding:4px 10px;border-radius:12px;font-size:11px;background:#6366f126;color:var(--accent-light);margin-top:8px;cursor:pointer}.color-picker{display:flex;gap:8px;flex-wrap:wrap}.color-dot{width:28px;height:28px;border-radius:50%;cursor:pointer;border:2px solid transparent;transition:all .2s}.color-dot.selected{border-color:#fff;transform:scale(1.15)}.settings-item{display:flex;align-items:center;justify-content:space-between;padding:16px;background:var(--bg-card);border-radius:var(--radius-sm);margin-bottom:8px;border:1px solid var(--border);cursor:pointer}.settings-item:active{background:var(--bg-tertiary)}.settings-item-label{font-size:15px}.settings-item-arrow{color:var(--text-muted)}.toast{position:fixed;top:calc(var(--safe-top) + 60px);left:50%;transform:translate(-50%);background:var(--bg-tertiary);color:var(--text-primary);padding:10px 20px;border-radius:20px;font-size:14px;z-index:999;animation:fadeIn .2s;box-shadow:0 4px 20px #0000004d}.backup-banner{position:fixed;top:calc(var(--safe-top) + 56px);left:8px;right:8px;max-width:464px;margin:0 auto;z-index:300;animation:slideBannerDown .4s ease-out}@keyframes slideBannerDown{0%{transform:translateY(-120%);opacity:0}to{transform:translateY(0);opacity:1}}.backup-banner.hiding{animation:slideBannerUp .3s ease-in forwards}@keyframes slideBannerUp{0%{transform:translateY(0);opacity:1}to{transform:translateY(-120%);opacity:0}}.backup-banner-inner{background:linear-gradient(135deg,#1a2e1a,#1e293b);border:1px solid #22c55e40;border-radius:16px;padding:16px;box-shadow:0 8px 30px #0006,0 0 20px #22c55e14}.backup-banner .bb-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:10px}.backup-banner .bb-title{font-size:15px;font-weight:600;color:#22c55e;display:flex;align-items:center;gap:6px}.backup-banner .bb-close{width:28px;height:28px;border-radius:50%;border:none;background:#ffffff14;color:var(--text-muted);font-size:14px;cursor:pointer;display:flex;align-items:center;justify-content:center}.backup-banner .bb-close:active{background:#ffffff26}.backup-banner .bb-rows{display:flex;flex-direction:column;gap:6px}.backup-banner .bb-row{display:flex;align-items:flex-start;gap:8px;font-size:12px;line-height:1.6}.backup-banner .bb-row-icon{flex-shrink:0;width:18px;text-align:center;margin-top:1px}.backup-banner .bb-row-label{color:var(--text-muted);flex-shrink:0;min-width:60px}.backup-banner .bb-row-value{color:var(--text-primary);word-break:break-all}.backup-banner .bb-row-value.highlight{color:#22c55e;font-weight:500}.backup-banner .bb-safe-note{margin-top:10px;padding:8px 10px;background:#22c55e14;border-radius:8px;font-size:11px;color:var(--text-secondary);line-height:1.6;display:flex;align-items:flex-start;gap:6px}.backup-banner .bb-safe-note .note-icon{flex-shrink:0;margin-top:1px}.backup-banner-inner.error{background:linear-gradient(135deg,#2e1a1a,#1e293b);border-color:#f43f5e40}.backup-banner-inner.error .bb-title{color:#f43f5e}.confirm-buttons{display:flex;gap:10px;margin-top:20px}.confirm-buttons button{flex:1;padding:12px;border-radius:var(--radius-sm);border:none;font-size:15px;font-weight:500;cursor:pointer}.confirm-buttons .cancel-btn{background:var(--bg-tertiary);color:var(--text-primary)}.confirm-buttons .danger-btn{background:var(--danger);color:#fff}.content::-webkit-scrollbar{width:0}