\
:root{
 --bg:#f4f6f9;--panel:#fff;--text:#18212f;--muted:#6c7888;--line:#dfe5ec;
 --primary:#376092;--primary-dark:#274869;--success:#247a52;--warning:#a06b16;--danger:#a63d40;
 --shadow:0 10px 30px rgba(20,40,70,.07);--radius:16px
}
*{box-sizing:border-box}body{margin:0;font-family:Inter,Segoe UI,Arial,sans-serif;background:var(--bg);color:var(--text)}
a{text-decoration:none;color:inherit}.app-shell{min-height:100vh;display:grid;grid-template-columns:260px 1fr}
.sidebar{background:#162235;color:#fff;padding:24px 18px;display:flex;flex-direction:column;gap:28px}
.brand{display:flex;align-items:center;gap:12px;padding:5px}.brand img{width:48px;height:48px}.brand strong{display:block;font-size:22px;letter-spacing:.12em}.brand span{font-size:13px;color:#c7d2df}
.sidebar nav{display:grid;gap:7px}.sidebar nav a{padding:12px 14px;border-radius:11px;color:#dbe4ee}.sidebar nav a:hover{background:#233651;color:#fff}
.sidebar-footer{margin-top:auto;color:#9fb0c3;font-size:12px;line-height:1.6}
.content-shell{min-width:0}.topbar{height:72px;background:#fff;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:0 30px}
.topbar>div{display:flex;gap:14px;align-items:center}.chip,.badge{display:inline-flex;padding:5px 9px;border-radius:999px;background:#eef3f8;color:#48637f;font-size:12px}
.main{padding:30px;max-width:1500px;margin:0 auto}.page-head{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-bottom:22px}.page-head h1{margin:0 0 6px;font-size:30px}.page-head p{margin:0;color:var(--muted)}
.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}
.metric-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-bottom:20px}.metric-card{padding:22px}.metric-card small,.metric-card span{display:block;color:var(--muted)}.metric-card strong{display:block;font-size:34px;margin:7px 0}
.detail-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-bottom:20px}.section{padding:24px}.section h2{margin-top:0;font-size:19px}.muted{color:var(--muted)}
.status{display:inline-flex;padding:8px 12px;border-radius:999px;font-size:13px}.status.ok{background:#e7f6ef;color:var(--success)}.status.warning{background:#fff3dc;color:var(--warning)}
.btn{border:1px solid var(--line);background:#fff;color:var(--text);padding:10px 14px;border-radius:10px;font-weight:650;cursor:pointer;display:inline-flex;align-items:center;justify-content:center}.btn:hover{filter:brightness(.98)}.btn-primary{background:var(--primary);border-color:var(--primary);color:#fff}.btn-light{background:#f5f7fa}.btn-full{width:100%}
.actions{display:flex;gap:10px;flex-wrap:wrap}.actions form{display:inline}
.table-wrap{overflow:auto}table{width:100%;border-collapse:collapse}th,td{text-align:left;padding:12px 10px;border-bottom:1px solid var(--line);vertical-align:top}th{font-size:12px;text-transform:uppercase;color:var(--muted);letter-spacing:.04em}code{font-family:Consolas,monospace;font-size:12px}
.activity-list{display:grid}.activity-list>div{padding:12px 0;border-bottom:1px solid var(--line)}.activity-list strong,.activity-list span{display:block}.activity-list span{font-size:13px;color:var(--muted);margin-top:4px}
.info-list{margin:0}.info-list div{display:flex;justify-content:space-between;gap:20px;padding:10px 0;border-bottom:1px solid var(--line)}.info-list dt{color:var(--muted)}.info-list dd{margin:0;text-align:right}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}.form-grid label{display:grid;gap:7px;font-size:13px;font-weight:600}.form-grid .full{grid-column:1/-1}input,select,textarea{width:100%;border:1px solid #cad4df;border-radius:10px;padding:11px 12px;font:inherit;background:#fff}textarea{resize:vertical}
.flash{margin-bottom:18px;padding:12px 14px;border-radius:10px}.flash.success{background:#e7f6ef;color:var(--success)}.flash.error{background:#fdeaea;color:var(--danger)}
.token-box{background:#fff3dc;border:1px solid #ead39f;padding:18px;border-radius:14px;margin-bottom:20px}.token-box code{display:block;font-size:14px;overflow-wrap:anywhere;margin:10px 0}.token-box span{color:var(--muted)}
.login-body{min-height:100vh;display:grid;place-items:center;padding:20px;background:linear-gradient(145deg,#eef3f8,#dce6f0)}.login-card{width:min(420px,100%);background:#fff;border:1px solid var(--line);box-shadow:var(--shadow);border-radius:20px;padding:34px}.login-logo{width:72px;height:72px}.login-card h1{margin-bottom:5px}.login-card>p{color:var(--muted);margin-top:0}.login-card form{display:grid;gap:16px}.login-card label{display:grid;gap:7px;font-size:13px;font-weight:600}
@media(max-width:950px){.app-shell{grid-template-columns:1fr}.sidebar{display:none}.metric-grid{grid-template-columns:1fr 1fr}.detail-grid{grid-template-columns:1fr}}
@media(max-width:600px){.main{padding:18px}.topbar{padding:0 18px}.metric-grid{grid-template-columns:1fr}.form-grid{grid-template-columns:1fr}.page-head{align-items:flex-start;flex-direction:column}}