:root{
  --bg:#f3f5f9; --panel:#fff; --line:#e3e7ef;
  --ink:#1f2733; --muted:#6b7482; --brand:#2456e6;
  --warn-bg:#fff7e6; --warn:#8a6d1a; --err:#c0392b;
  --info-bg:#eaf1ff; --info:#2456e6; --ok:#1e8e3e;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{background:var(--bg);color:var(--ink);
  font-family:"Segoe UI","Microsoft YaHei",system-ui,-apple-system,sans-serif;font-size:14px}
a{color:var(--brand);text-decoration:none}
a:hover{text-decoration:underline}

/* 左侧栏（类似 TraeWork） */
.sidebar{position:fixed;left:0;top:0;bottom:0;width:224px;
  background:#1d2530;color:#fff;display:flex;flex-direction:column;
  padding:16px 12px 14px;z-index:20}
.sidebar .brand{display:flex;flex-direction:column;gap:3px;padding:4px 8px 18px;
  border-bottom:1px solid #2c3744;margin-bottom:12px}
.sidebar .brand-name{font-weight:600;font-size:16px;letter-spacing:.5px}
.sidebar .brand-sub{color:#8b98a8;font-size:11px;letter-spacing:.5px}
.sidebar .nav{display:flex;flex-direction:column;gap:2px;flex:1;overflow-y:auto}
.sidebar .nav a{color:#cbd2de;padding:9px 11px;border-radius:7px;white-space:nowrap;
  display:flex;align-items:center;gap:10px;font-size:14px}
.sidebar .nav a:hover{background:#2c3744;color:#fff;text-decoration:none}
.sidebar .nav a.on{background:#2456e6;color:#fff}
.sidebar .user{display:flex;align-items:center;gap:10px;padding:12px 6px 2px;
  border-top:1px solid #2c3744;margin-top:12px}
.sidebar .user .avatar{width:34px;height:34px;border-radius:9px;background:#2456e6;color:#fff;
  display:flex;align-items:center;justify-content:center;font-weight:600;flex:none;font-size:15px}
.sidebar .user .meta{display:flex;flex-direction:column;min-width:0;gap:1px}
.sidebar .user .who{color:#fff;font-weight:600;font-size:13px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.sidebar .user .roles{color:#9aa6b5;font-size:11px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.sidebar .link{background:none;border:none;color:#cbd2de;cursor:pointer;font-size:12px;margin-left:auto;padding:4px}
.sidebar .link:hover{color:#fff}

.content{margin:0 auto 0 224px;padding:26px 30px 48px;max-width:1180px}
.page h1{margin:0 0 6px;font-size:22px}
.muted{color:var(--muted)}
.sub{color:var(--muted)}

/* 卡片 */
.cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:14px;margin-top:22px}
.card{background:var(--panel);border:1px solid var(--line);border-radius:10px;
  padding:18px;color:inherit;transition:.15s}
.card:hover{box-shadow:0 6px 18px rgba(20,30,60,.08);border-color:#c9d3e5;text-decoration:none}
.card-title{font-weight:600;font-size:15px;margin-bottom:4px}
.card-sub{color:var(--muted);font-size:12px}

/* 提示 */
.notice{padding:10px 14px;border-radius:8px;margin-top:12px;font-size:13px}
.notice.info{background:var(--info-bg);color:var(--info)}
.notice.warn{background:var(--warn-bg);color:var(--warn)}
.notice.err{background:#fdecea;color:var(--err)}

/* 按钮 */
.btn{background:var(--brand);color:#fff;border:none;padding:8px 16px;border-radius:8px;
  cursor:pointer;font-size:14px}
.btn:hover{opacity:.9}
.btn.ghost{background:#fff;color:var(--brand);border:1px solid #c9d3e5}
.btn:disabled{opacity:.5;cursor:not-allowed}

/* 表单 */
.form-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));
  gap:14px;background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:18px}
.form-grid label{display:flex;flex-direction:column;gap:6px;font-size:13px;color:var(--ink)}
.form-grid select,.form-grid input,.form-grid textarea{padding:8px 10px;border:1px solid var(--line);
  border-radius:8px;font-size:14px;font-family:inherit;background:#fff}
.form-grid textarea{font-family:Consolas,Menlo,monospace;font-size:12px}
.form-grid .row{display:flex;gap:10px;align-items:center}
.notice{margin-top:0}

/* 结果/表格 */
.panel{background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:18px;margin-top:16px}
table.list{width:100%;border-collapse:collapse;margin-top:10px}
table.list th,table.list td{border:1px solid var(--line);padding:6px 9px;text-align:left;font-size:13px}
table.list th{background:#eef1f7;white-space:nowrap}
table.list td.mono{font-family:Consolas,Menlo,monospace;font-size:12px;white-space:nowrap}
.badge{display:inline-block;padding:0 8px;border-radius:10px;font-size:12px;background:var(--info-bg);color:var(--info)}
.row{display:flex;gap:10px;align-items:center}

/* 登录 */
.login-body{display:flex;align-items:center;justify-content:center;min-height:100vh;
  background:linear-gradient(135deg,#1d2530,#2456e6)}
.login-card{background:#fff;border-radius:14px;padding:36px 40px;width:340px;box-shadow:0 20px 60px rgba(0,0,0,.25)}
.login-card h1{margin:0 0 4px;font-size:20px}
.login-card form{display:flex;flex-direction:column;gap:14px;margin-top:22px}
.login-card label{display:flex;flex-direction:column;gap:6px;font-size:13px;color:var(--ink)}
.login-card input{padding:10px 12px;border:1px solid var(--line);border-radius:8px;font-size:14px}
.login-card button{margin-top:6px;padding:11px;border:none;border-radius:8px;background:var(--brand);color:#fff;font-size:15px;cursor:pointer}
.login-card button:hover{opacity:.9}
.login-card .err{color:var(--err);font-size:13px;margin:0;min-height:18px}
.login-card .hint{font-size:13px;color:var(--muted);margin:14px 0 0}