:root{
  --bg:#f5f6f8; --card:#fff; --line:#e3e6ea; --text:#1f2430; --muted:#6b7280;
  --brand:#2f7d5d; --brand-d:#276b4f; --danger:#c0392b; --radius:10px;
}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--text);
  font:14px/1.5 -apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif}
a{color:var(--brand);text-decoration:none}
a:hover{text-decoration:underline}
h1{font-size:20px;margin:0 0 16px}

.topbar{display:flex;align-items:center;justify-content:space-between;
  background:var(--card);border-bottom:1px solid var(--line);padding:12px 20px;flex-wrap:wrap;gap:8px}
.topbar .brand{font-weight:700;color:var(--brand)}
.topbar nav{display:flex;align-items:center;gap:16px}
.topbar .who{color:var(--muted)}
.topbar .logout{color:var(--danger)}

.wrap{max-width:1040px;margin:20px auto;padding:0 16px}
.flash{background:#e7f6ee;border:1px solid #b7e2c9;color:#1b6b43;padding:10px 14px;border-radius:var(--radius);margin-bottom:16px}
.err{background:#fdecea;border:1px solid #f5c6c0;color:var(--danger);padding:10px 14px;border-radius:var(--radius);margin-bottom:16px}

/* 登录 */
.login-box{max-width:340px;margin:8vh auto;background:var(--card);padding:28px;border:1px solid var(--line);border-radius:var(--radius)}
.login-box h1{text-align:center;color:var(--brand)}
.login-box label{display:block;margin:14px 0}
.login-box input{width:100%;margin-top:6px}

/* 列表 */
.filter{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:12px}
.filter .btn-add{margin-left:auto;align-self:center}
.meta{color:var(--muted);margin:6px 0 14px}
.table-wrap{overflow-x:auto;background:var(--card);border:1px solid var(--line);border-radius:var(--radius)}
table{width:100%;border-collapse:collapse;white-space:nowrap}
th,td{padding:10px 12px;text-align:left;border-bottom:1px solid var(--line)}
th{background:#fafbfc;color:var(--muted);font-weight:600}
tr:last-child td{border-bottom:0}
td.empty,.empty{text-align:center;color:var(--muted);padding:24px}
.pager{display:flex;align-items:center;gap:14px;justify-content:center;margin:18px 0}
.pager a.disabled{color:var(--muted);pointer-events:none}

/* 表单 */
.pform{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:20px}
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.pform label{display:flex;flex-direction:column;font-size:13px;color:var(--muted);gap:6px}
input,select,button{font:inherit}
input[type=text],input[type=password],select{
  padding:8px 10px;border:1px solid var(--line);border-radius:8px;background:#fff;color:var(--text);width:100%}
input:focus,select:focus{outline:2px solid #bfe0cf;border-color:var(--brand)}
input:disabled{background:#f1f2f4;color:var(--muted)}

.pickers{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:18px}
.picker{border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.picker-head{display:flex;align-items:center;gap:10px;padding:10px 12px;background:#fafbfc;border-bottom:1px solid var(--line);font-weight:600}
.picker-head small{color:var(--muted);font-weight:400}
.picker-head .search{margin-left:auto;max-width:180px}
.picker-head .size-layer{max-width:150px;font-size:13px}
.picker-list{max-height:260px;overflow:auto;padding:6px}
.chk{display:flex;align-items:center;gap:8px;padding:5px 8px;border-radius:6px;color:var(--text);font-size:13px}
.chk:hover{background:#f3f5f7}
.chk input{width:auto}
.chk em{color:var(--muted);font-style:normal;font-size:12px}
.chk.hide{display:none}
.chk.disabled{opacity:.4}

.actions{margin-top:20px;display:flex;align-items:center;gap:14px}
button,.btn-add,.cancel{cursor:pointer}
button,.btn-add{background:var(--brand);color:#fff;border:0;padding:9px 18px;border-radius:8px}
button:hover,.btn-add:hover{background:var(--brand-d);text-decoration:none}
button.primary{padding:11px 26px;font-size:15px}
.cancel{color:var(--muted)}

@media(max-width:860px){
  .grid{grid-template-columns:1fr 1fr}
  .pickers{grid-template-columns:1fr}
}
@media(max-width:560px){ .grid{grid-template-columns:1fr} }