:root{--red:#d71920;--bg:#f3f4f7;--side:#1f2330;--line:#e6e8ee;--muted:#8a8f9c}
*{box-sizing:border-box}
body{margin:0;font:14px/1.6 system-ui,-apple-system,"PingFang SC","Microsoft YaHei",Arial,sans-serif;background:var(--bg);color:#222}
a{color:var(--red);text-decoration:none}a:hover{text-decoration:underline}
.layout{display:flex;min-height:100vh}
.side{width:210px;background:var(--side);color:#cfd3dc;flex-shrink:0;position:sticky;top:0;height:100vh}
.side .brand{padding:20px;font-weight:700;font-size:17px;color:#fff;border-bottom:1px solid #2c3142}
.side .brand small{display:block;font-weight:400;font-size:12px;color:var(--muted)}
.side nav a{display:block;padding:12px 22px;color:#cfd3dc;border-left:3px solid transparent}
.side nav a:hover{background:#272c3b;text-decoration:none}
.side nav a.on{background:#272c3b;color:#fff;border-left-color:var(--red)}
.side .count{float:right;background:var(--red);color:#fff;border-radius:10px;padding:0 7px;font-size:12px;line-height:18px;margin-top:3px}
.main{flex:1;min-width:0}
.top{background:#fff;border-bottom:1px solid var(--line);padding:14px 26px;display:flex;justify-content:space-between;align-items:center}
.top h1{margin:0;font-size:18px}
.top .acts a{margin-left:16px;color:#555}
.wrap{padding:22px 26px}
.card{background:#fff;border:1px solid var(--line);border-radius:10px;padding:18px 20px;margin-bottom:18px}
.card h3{margin:0 0 14px;font-size:15px}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(190px,1fr));gap:14px;margin-bottom:18px}
.stat{background:#fff;border:1px solid var(--line);border-radius:10px;padding:16px 18px}
.stat .n{font-size:26px;font-weight:700;color:#111}
.stat .l{color:var(--muted);font-size:13px}
.stat.hl{border-color:var(--red)}.stat.hl .n{color:var(--red)}
table{width:100%;border-collapse:collapse}
th,td{padding:10px 10px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}
th{background:#fafbfc;color:#555;font-weight:600;white-space:nowrap}
tr:hover td{background:#fcfcfd}
.badge{display:inline-block;color:#fff;border-radius:4px;padding:1px 8px;font-size:12px;white-space:nowrap}
.muted{color:var(--muted)}
.filters{display:flex;flex-wrap:wrap;gap:10px;align-items:center;margin-bottom:14px}
input,select,textarea{padding:8px 10px;border:1px solid #cfd3dc;border-radius:6px;font:inherit;background:#fff}
textarea{width:100%;min-height:90px}
.btn{display:inline-block;background:var(--red);color:#fff;border:0;border-radius:6px;padding:8px 18px;cursor:pointer;font:inherit;font-weight:600}
.btn:hover{opacity:.9;text-decoration:none}
.btn.gray{background:#6c757d}.btn.light{background:#fff;color:#333;border:1px solid #cfd3dc}
.btn.sm{padding:4px 10px;font-size:12px;font-weight:500}
.flash{padding:12px 16px;border-radius:8px;margin-bottom:16px;border:1px solid}
.flash.success{background:#eafaf0;color:#146c43;border-color:#badbcc}
.flash.error{background:#fdecec;color:#a61b1b;border-color:#f3c2c2}
.pager{display:flex;gap:6px;align-items:center;margin-top:14px;flex-wrap:wrap}
.pager a{padding:4px 11px;border:1px solid var(--line);border-radius:6px;color:#333;background:#fff}
.pager a.active{background:var(--red);color:#fff;border-color:var(--red)}
.kv{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:2px 24px}
.kv div{padding:8px 0;border-bottom:1px dashed var(--line)}
.kv b{display:block;color:var(--muted);font-weight:500;font-size:12px}
.sec{margin:16px 0 6px;font-weight:700;color:var(--red);font-size:13px}
.two{display:grid;grid-template-columns:2fr 1fr;gap:18px}
@media(max-width:1000px){.two{grid-template-columns:1fr}.side{display:none}}
label.f{display:block;font-weight:600;margin:12px 0 4px}
label.f+input{width:100%}
fieldset{border:1px solid var(--line);border-radius:8px;padding:6px 16px 16px;margin:0 0 16px}
legend{font-weight:700;color:var(--red);padding:0 6px}
.tip{color:var(--muted);font-size:12px}
.bar{height:8px;background:#eef0f4;border-radius:4px;overflow:hidden}.bar i{display:block;height:100%;background:var(--red)}
.login{max-width:380px;margin:12vh auto;background:#fff;border-radius:12px;padding:34px;box-shadow:0 8px 30px rgba(0,0,0,.08)}
.login h1{margin:0 0 6px;font-size:22px}.login input{width:100%;margin:14px 0}
.login .btn{width:100%;padding:11px}
/* RBAC 侧边栏分组 / 权限树 */
.side nav a.sub{padding-left:34px}
.ptree{list-style:none;margin:0;padding-left:0}
.ptree ul{list-style:none;padding-left:26px;margin:2px 0}
.ptree li{padding:3px 0}
.ptree label{font-weight:400;cursor:pointer}
.ptree code{font-size:11px}
code{background:#f3f4f7;border-radius:4px;padding:1px 5px;font-size:12px}
fieldset[disabled]{opacity:.7}
/* 侧边栏可折叠目录 */
.side{display:flex;flex-direction:column;overflow-y:auto}
.side nav{flex:1}
.side nav .grp-title{display:flex;justify-content:space-between;align-items:center;color:#e3e6ec;font-weight:600;user-select:none}
.side nav .grp-title:hover{background:#272c3b;text-decoration:none}
.side nav .grp .arrow{font-size:12px;color:#8a8f9c;transition:transform .2s}
.side nav .grp.open .arrow{transform:rotate(90deg)}
.side nav .grp.has-active>.grp-title{color:#fff}
.side nav .grp-items{overflow:hidden;max-height:0;transition:max-height .25s ease}
.side nav .grp.open .grp-items{max-height:600px}
.side nav a.sub{padding-left:40px;font-size:13.5px}
.side-tools{display:flex;justify-content:space-between;padding:12px 22px;border-top:1px solid #2c3142;font-size:12px}
.side-tools a{color:#8a8f9c}
.side-tools a:hover{color:#fff;text-decoration:none}