/* ====== Green Responsive Theme with Top Nav (FULL OVERRIDE) ====== */
:root{
  --primary:#16a34a;          /* 绿色主色 */
  --primary-weak:#22c55e;
  --bg:#f6faf7;
  --text:#0f172a;
  --muted:#64748b;
  --line:#e5e7eb;
  --card:#ffffff;
  --warn-bg:#fff7e6;
  --warn-bd:#ffe58f;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body.bdc-page{font:15px/1.6 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;background:var(--bg);color:var(--text)}
a{color:var(--primary);text-decoration:none}
a:hover{text-decoration:underline}
.card{max-width:960px;margin:8vh auto;padding:22px;background:var(--card);border-radius:16px;box-shadow:0 10px 30px rgba(0,0,0,.06)}
.title{margin:0 0 10px;font-size:20px}
.sub{margin:0;color:var(--muted);font-size:13px}
.desc{margin:8px 0 16px;color:#374151}
.actions{display:flex;gap:10px;flex-wrap:wrap;margin:14px 0}
.btn{appearance:none;border:0;border-radius:10px;padding:10px 14px;font-weight:700;cursor:pointer;background:var(--primary);color:#fff}
.btn:hover{filter:brightness(1.04)}
.btn-ghost{background:#eef6f0;color:#0f172a;display:inline-block;border-radius:10px;padding:10px 14px}
.btn-outline{background:#fff;border:1px solid var(--line);color:var(--text)}
.warn{padding:12px;background:var(--warn-bg);border:1px solid var(--warn-bd);border-radius:8px}

input[type=text],input[type=date],input[type=datetime-local],input[type=password],textarea,select{
  width:100%;padding:10px 12px;border:1px solid var(--line);border-radius:10px;background:#fff;outline:none
}
input::placeholder,textarea::placeholder{color:#9ca3af}

.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:12px;background:#fff}
table{width:100%;border-collapse:collapse}
th,td{border-bottom:1px solid var(--line);padding:10px 10px;font-size:14px;white-space:nowrap}
th{background:#f1f8f3;text-align:left}
tr:hover td{background:#fafdfb}

.badge{display:inline-block;padding:2px 6px;border-radius:6px;background:#eef6f0;color:#065f46;font-weight:600;font-size:12px}
.stat{display:flex;gap:12px;flex-wrap:wrap;margin:8px 0}
.stat .k{padding:8px 10px;border-radius:10px;background:#f1f8f3}
.ft{margin-top:18px;color:#888;font-size:12px;text-align:center}

/* 顶部导航 */
.topnav{position:sticky;top:0;z-index:10;background:#fff;border:1px solid var(--line);display:flex;gap:12px;align-items:center;justify-content:space-between;padding:10px 14px;border-radius:12px;margin:-6px -6px 12px -6px}
.topnav .brand{font-weight:800;color:var(--primary)}
.topnav nav a{margin-right:8px;padding:8px 10px;border-radius:8px}
.topnav nav a.on{background:#e8f6ed;color:#065f46;font-weight:700;text-decoration:none}
.topnav .user{display:flex;gap:10px;align-items:center;font-size:13px;color:#475569}
.topnav .logout{color:#ef4444}

/* 二维码页 */
.qr-wrap{display:flex;justify-content:center;margin:12px 0}
.qr-wrap img{width:260px;height:260px;border-radius:12px;box-shadow:0 6px 18px rgba(0,0,0,.08)}

/* 小屏优化 */
@media (max-width:720px){
  .card{margin:18px 12px;padding:16px;border-radius:14px}
  .title{font-size:18px}
  th,td{font-size:13px}
  .actions{gap:8px}
  .topnav{padding:8px 10px}
  .topnav nav a{margin-right:6px}
}