:root{--primary: #1f6feb;--bg: #f5f6fa;--card: #ffffff;--text: #1f2329;--muted: #8a9099;--danger: #e5484d;--success: #30a46c;--radius: 14px}*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}html,body{margin:0;padding:0}body{font-family:-apple-system,BlinkMacSystemFont,PingFang SC,Segoe UI,Roboto,sans-serif;background:var(--bg);color:var(--text);-webkit-font-smoothing:antialiased}.app-root{max-width:640px;margin:0 auto;padding-bottom:62px;min-height:100vh}.tabbar{position:fixed;left:0;right:0;bottom:0;margin:0 auto;max-width:640px;display:flex;background:#fff;border-top:1px solid #eee;padding-bottom:env(safe-area-inset-bottom);z-index:100}.tab{flex:1;display:flex;flex-direction:column;align-items:center;padding:8px 0 6px;text-decoration:none;color:var(--muted);font-size:11px}.tab.active{color:var(--primary);font-weight:600}.tab-icon{font-size:21px;line-height:1;margin-bottom:3px}.page{padding:14px}.page-title{font-size:20px;font-weight:700;margin:6px 2px 14px}.card{background:var(--card);border-radius:var(--radius);padding:14px;box-shadow:0 1px 3px #0000000f;margin-bottom:12px}.btn{display:inline-flex;align-items:center;justify-content:center;background:var(--primary);color:#fff;border:none;border-radius:10px;padding:12px 18px;font-size:16px;font-weight:600;width:100%;cursor:pointer}.btn:active{opacity:.85}.btn.secondary{background:#fff;color:var(--primary);border:1px solid var(--primary)}.btn.danger{background:var(--danger)}.input{width:100%;padding:12px;border:1px solid #ddd;border-radius:10px;font-size:16px;background:#fff}.label{font-size:13px;color:var(--muted);margin-bottom:6px;display:block}.muted{color:var(--muted)}.row{display:flex;align-items:center;gap:10px}.spacer{flex:1}.empty{text-align:center;color:var(--muted);padding:40px 0}.badge{display:inline-block;padding:2px 8px;border-radius:20px;font-size:11px;font-weight:600}.badge.hot{background:#ffe3e3;color:var(--danger)}.badge.warm{background:#fff3d9;color:#b45309}.badge.nurture,.badge.cold{background:#e9ecef;color:var(--muted)}.badge.a{background:#ffe3e3;color:var(--danger)}.badge.b{background:#fff3d9;color:#b45309}.badge.c{background:#e9ecef;color:var(--muted)}.loading{text-align:center;color:var(--muted);padding:30px}