:root{
  --bg:#0f172a; --panel:#1e293b; --panel2:#273449; --line:#334155;
  --text:#e2e8f0; --muted:#94a3b8; --accent:#3b82f6; --accent2:#2563eb;
  --ok:#22c55e; --warn:#f59e0b; --err:#ef4444;
}
*{box-sizing:border-box}
body{margin:0;font-family:-apple-system,"Segoe UI",Roboto,"PingFang SC","Microsoft YaHei",sans-serif;
  background:var(--bg);color:var(--text);font-size:14px}
a{color:var(--accent);text-decoration:none}
a:hover{text-decoration:underline}
code{background:#0b1220;padding:1px 5px;border-radius:4px;font-family:ui-monospace,Menlo,Consolas,monospace}

.topbar{display:flex;align-items:center;gap:24px;padding:12px 24px;background:var(--panel);border-bottom:1px solid var(--line)}
.brand{font-weight:700;font-size:16px}
.logo{display:inline-block;background:var(--accent);color:#fff;border-radius:6px;padding:2px 8px;margin-right:6px;font-weight:800}
.nav{display:flex;gap:6px;flex:1}
.nav a{padding:6px 14px;border-radius:8px;color:var(--muted)}
.nav a.active,.nav a:hover{background:var(--panel2);color:var(--text);text-decoration:none}
.logout button{background:transparent;border:1px solid var(--line);color:var(--muted);padding:6px 12px;border-radius:8px;cursor:pointer}

.container{max-width:1200px;margin:24px auto;padding:0 24px}
.page-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px}
h1{font-size:22px;margin:0}

.btn{background:var(--panel2);color:var(--text);border:1px solid var(--line);padding:8px 14px;border-radius:8px;cursor:pointer;font-size:13px}
.btn:hover{border-color:var(--accent)}
.btn.primary{background:var(--accent2);border-color:var(--accent2);color:#fff}
.btn.primary:hover{background:var(--accent)}
.btn.sm{padding:4px 9px;font-size:12px}
.btn.danger{border-color:#7f1d1d;color:#fca5a5}
.btn.block{width:100%;margin-top:8px}

table.grid{width:100%;border-collapse:collapse;background:var(--panel);border-radius:10px;overflow:hidden}
.grid th,.grid td{padding:10px 12px;text-align:left;border-bottom:1px solid var(--line);vertical-align:top}
.grid th{background:var(--panel2);color:var(--muted);font-weight:600;font-size:12px;text-transform:uppercase}
.grid tr:last-child td{border-bottom:none}
.actions{white-space:nowrap;display:flex;gap:4px;flex-wrap:wrap}

.badge{display:inline-block;padding:2px 9px;border-radius:20px;font-size:12px;font-weight:600}
.badge.ok{background:rgba(34,197,94,.15);color:var(--ok)}
.badge.warn{background:rgba(245,158,11,.15);color:var(--warn)}
.badge.err{background:rgba(239,68,68,.15);color:var(--err)}
.badge.muted{background:var(--panel2);color:var(--muted)}

.muted{color:var(--muted)}
.small{font-size:12px}
.center{text-align:center}
.ok{color:var(--ok)}
.err{color:var(--err)}

.modal{display:none;position:fixed;inset:0;background:rgba(0,0,0,.6);z-index:50;align-items:flex-start;justify-content:center;padding-top:60px}
.modal.open{display:flex}
.modal-card{background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:24px;width:440px;max-height:80vh;overflow:auto}
.modal-card.wide{width:640px}
.modal-card h2{margin-top:0;font-size:18px}
.modal-actions{display:flex;justify-content:flex-end;gap:8px;margin-top:16px}
label{display:block;margin:10px 0;font-size:13px;color:var(--muted)}
label.check{display:flex;align-items:center;gap:8px;color:var(--text)}
input,select,textarea{width:100%;margin-top:4px;background:#0b1220;border:1px solid var(--line);border-radius:8px;padding:9px 10px;color:var(--text);font-size:14px}
label.check input{width:auto;margin-top:0}
.row{display:flex;gap:12px}
.row label{flex:1}
textarea.code,pre.code{font-family:ui-monospace,Menlo,Consolas,monospace;font-size:12.5px;line-height:1.5}
pre.code{background:#0b1220;border:1px solid var(--line);border-radius:8px;padding:12px;overflow:auto;white-space:pre-wrap;word-break:break-all}
.logbox{max-height:460px;overflow:auto}

.panel{background:var(--panel);border:1px solid var(--line);border-radius:10px;padding:18px;margin-bottom:16px}
.panel h3{margin-top:0}
.cards{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:16px}
.card{background:var(--panel);border:1px solid var(--line);border-radius:10px;padding:12px 16px;min-width:120px}
.card .k{color:var(--muted);font-size:12px}
.card .v{font-size:16px;font-weight:600;margin-top:4px}
.alert{padding:10px 14px;border-radius:8px;margin-bottom:12px}
.alert.err{background:rgba(239,68,68,.12);color:#fca5a5;border:1px solid #7f1d1d}
.alert.ok{background:rgba(34,197,94,.12);color:#86efac;border:1px solid #14532d}
table.kv td{padding:4px 12px 4px 0;color:var(--muted)}
table.kv td:last-child{color:var(--text)}

.login-body{display:flex;align-items:center;justify-content:center;min-height:100vh}
.login-card{background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:36px;width:360px;text-align:center}
.login-card h1{font-size:18px;margin:8px 0 20px}
.login-card form{text-align:left}
.brand-lg .logo{font-size:26px;padding:8px 14px}

/* ---- 统计页 ---- */
.stats-filters{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
label.inline{display:flex;align-items:center;gap:6px;margin:0;color:var(--muted);font-size:13px}
label.inline input{width:auto;margin-top:0}
.stats-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin-bottom:16px}
@media (max-width:960px){.stats-grid{grid-template-columns:1fr}}
.bar-list{display:flex;flex-direction:column;gap:12px}
.bar-row{display:flex;flex-direction:column;gap:4px}
.bar-meta{display:flex;justify-content:space-between;gap:8px;flex-wrap:wrap;font-size:13px}
.bar-label{font-weight:600}
.bar-nums{color:var(--muted);font-size:12px}
.bar-track{height:8px;background:#0b1220;border-radius:999px;overflow:hidden;border:1px solid var(--line)}
.bar-fill{height:100%;background:linear-gradient(90deg,var(--accent2),var(--accent));border-radius:999px}
.table-wrap{overflow:auto}
.content-cell{max-width:220px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
#stats-summary .card{min-width:110px;flex:1}