:root{--primary:#2563eb;--primary-dark:#1e40af;--primary-light:#3b82f6;--accent:#3b82f6;--bg:#fff;--bg-secondary:#f8fafc;--bg-tertiary:#f1f5f9;--text:#0f172a;--text-secondary:#475569;--text-muted:#94a3b8;--border:#e2e8f0;--success:#10b981;--warning:#f59e0b;--danger:#ef4444;--shadow:#0000001a;--radius:8px}*{box-sizing:border-box;margin:0;padding:0}body{background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;line-height:1.6}#root{flex-direction:column;min-height:100vh;display:flex}.app-container{flex-direction:column;flex:1;max-width:100vw;display:flex;overflow-x:hidden}.content{flex:1;padding-bottom:80px;overflow-y:auto}.tab-bar{background:var(--bg);border-top:1px solid var(--border);z-index:100;box-shadow:0 -2px 10px var(--shadow);display:flex;position:fixed;bottom:0;left:0;right:0}.tab-button{color:var(--text-secondary);cursor:pointer;background:0 0;border:none;flex-direction:column;flex:1;align-items:center;gap:4px;padding:12px;font-size:14px;transition:all .2s;display:flex}.tab-button:hover{background:var(--bg-secondary);color:var(--primary)}.tab-button.active{color:var(--primary);font-weight:600}.tab-icon{font-size:24px}.guide-container{max-width:800px;margin:0 auto;padding:24px 16px}.guide-header{text-align:center;margin-bottom:32px}.guide-header h1{color:var(--primary);margin-bottom:8px;font-size:32px}.guide-header p{color:var(--text-secondary);font-size:16px}.guide-section{background:var(--bg-secondary);border-radius:var(--radius);border:1px solid var(--border);margin-bottom:24px;padding:24px}.guide-section h2{color:var(--primary);align-items:center;gap:12px;margin-bottom:16px;font-size:24px;display:flex}.section-icon{font-size:28px}.guide-section h3{color:var(--text);margin-top:16px;margin-bottom:8px;font-size:18px}.guide-section p{color:var(--text-secondary);margin-bottom:12px}.guide-section ul,.guide-section ol{color:var(--text-secondary);margin-bottom:12px;margin-left:24px}.guide-section li{margin-bottom:8px}.tip-box{background:var(--bg);border-left:4px solid var(--primary);border-radius:4px;margin:16px 0;padding:16px}.tip-box strong{color:var(--primary)}.warning-box{border-left:4px solid var(--warning);color:#92400e;background:#fef3c7;border-radius:4px;margin:16px 0;padding:16px}.checklist-container{max-width:800px;margin:0 auto;padding:24px 16px}.checklist-header{margin-bottom:24px}.checklist-header h1{color:var(--primary);margin-bottom:8px;font-size:32px}.checklist-header p{color:var(--text-secondary)}.progress-section{background:var(--bg-secondary);border-radius:var(--radius);border:1px solid var(--border);margin-bottom:24px;padding:20px}.progress-stats{justify-content:space-between;align-items:center;margin-bottom:12px;display:flex}.progress-stats h2{color:var(--text);font-size:20px}.progress-text{color:var(--text-secondary);font-size:14px}.progress-bar{background:var(--border);border-radius:4px;height:8px;overflow:hidden}.progress-fill{background:var(--primary);height:100%;transition:width .3s}.category-section{margin-bottom:32px}.category-header{color:var(--primary);margin-bottom:16px;font-size:20px;font-weight:600}.checklist-item{background:var(--bg);border:1px solid var(--border);border-radius:var(--radius);cursor:pointer;align-items:flex-start;gap:12px;margin-bottom:12px;padding:16px;transition:all .2s;display:flex}.checklist-item:hover{border-color:var(--primary);box-shadow:0 2px 8px var(--shadow)}.checklist-item.completed{background:var(--bg-tertiary);opacity:.7}.checkbox{border:2px solid var(--border);cursor:pointer;background:var(--bg);border-radius:4px;justify-content:center;align-items:center;width:24px;min-width:24px;height:24px;transition:all .2s;display:flex}.checkbox:hover{border-color:var(--primary)}.checkbox.checked{background:var(--primary);border-color:var(--primary);color:#fff;font-size:16px}.checklist-item-content{flex:1}.checklist-item-title{color:var(--text);margin-bottom:4px;font-size:16px;font-weight:600}.checklist-item.completed .checklist-item-title{color:var(--text-muted);text-decoration:line-through}.checklist-item-description{color:var(--text-secondary);font-size:14px}.empty-state{text-align:center;color:var(--text-secondary);padding:48px 24px}.empty-state-icon{opacity:.3;margin-bottom:16px;font-size:64px}.empty-state h3{color:var(--text);margin-bottom:8px;font-size:20px}.reset-button{background:var(--primary);color:#fff;border-radius:var(--radius);cursor:pointer;border:none;margin-top:24px;padding:12px 24px;font-size:16px;font-weight:600;transition:background .2s}.reset-button:hover{background:var(--primary-dark)}.reset-button.secondary{background:var(--bg-tertiary);color:var(--text);border:1px solid var(--border)}.reset-button.secondary:hover{background:var(--border)}@media (width>=768px){.tab-bar{border-top:none;border-bottom:1px solid var(--border);box-shadow:0 2px 10px var(--shadow);position:relative}.content{padding-bottom:24px}.tab-button{padding:16px 24px}}