*{box-sizing:border-box;margin:0;padding:0}
body{font:14px/1.6 -apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;background:#f5f7fa;color:#1f2937}
a{color:#3b82f6;text-decoration:none}
a:hover{text-decoration:underline}
.container{max-width:1100px;margin:0 auto;padding:20px}
.nav{background:#fff;border-bottom:1px solid #e5e7eb;padding:12px 0;position:sticky;top:0;z-index:10}
.nav .container{display:flex;align-items:center;gap:24px}
.nav .logo{font-size:18px;font-weight:700;color:#3b82f6}
.nav a{color:#4b5563;padding:6px 10px;border-radius:6px}
.nav a.active,.nav a:hover{background:#eff6ff;color:#3b82f6;text-decoration:none}
.nav .spacer{flex:1}
.card{background:#fff;border:1px solid #e5e7eb;border-radius:10px;padding:20px;margin-bottom:16px;box-shadow:0 1px 2px rgba(0,0,0,.04)}
.btn{display:inline-block;padding:8px 16px;border-radius:6px;border:1px solid transparent;background:#3b82f6;color:#fff;cursor:pointer;font-size:14px}
.btn:hover{opacity:.9;text-decoration:none}
.btn.secondary{background:#fff;color:#374151;border-color:#d1d5db}
.btn.danger{background:#ef4444}
.btn.small{padding:4px 10px;font-size:12px}
input,select,textarea{width:100%;padding:8px 12px;border:1px solid #d1d5db;border-radius:6px;font-size:14px;font-family:inherit}
input:focus,select:focus,textarea:focus{outline:none;border-color:#3b82f6;box-shadow:0 0 0 3px rgba(59,130,246,.1)}
label{display:block;margin-bottom:4px;color:#374151;font-weight:500}
.row{display:flex;gap:12px;flex-wrap:wrap}
.row > *{flex:1;min-width:200px}
.grid{display:grid;gap:16px;grid-template-columns:repeat(auto-fill,minmax(220px,1fr))}
.tag{display:inline-block;padding:2px 8px;border-radius:99px;background:#eff6ff;color:#3b82f6;font-size:12px}
.muted{color:#6b7280;font-size:13px}
table{width:100%;border-collapse:collapse;background:#fff;border-radius:8px;overflow:hidden}
th,td{padding:10px 12px;text-align:left;border-bottom:1px solid #e5e7eb}
th{background:#f9fafb;font-weight:600;color:#374151;font-size:13px}
tr:last-child td{border-bottom:0}
.empty{text-align:center;padding:60px 20px;color:#9ca3af}
.alert{padding:10px 14px;border-radius:6px;margin-bottom:12px}
.alert.error{background:#fee2e2;color:#991b1b}
.alert.success{background:#d1fae5;color:#065f46}
.modal-bg{position:fixed;inset:0;background:rgba(0,0,0,.4);display:none;align-items:center;justify-content:center;z-index:50}
.modal-bg.show{display:flex}
.modal{background:#fff;border-radius:12px;padding:24px;max-width:480px;width:90%;max-height:90vh;overflow:auto}
.pet-stage{font-size:48px;text-align:center}
.points{font-size:24px;font-weight:700;color:#3b82f6}
.coins{color:#f59e0b}