:root{
  --bg:#f6f7f9;
  --surface:#ffffff;
  --border:#e6e7eb;
  --text:#16171d;
  --text-muted:#6b6f7b;
  --text-faint:#9a9da6;
  --accent:#5b5bd6;
  --accent-hover:#4c4cc4;
  --accent-soft:#eeeefb;
  --success:#1a8f5e;
  --success-soft:#e7f6ef;
  --danger:#d1403f;
  --danger-soft:#fbeaea;
  --warning:#b8710a;
  --warning-soft:#fbf1e2;
  --radius:8px;
  --shadow-sm:0 1px 2px rgba(16,17,20,.05);
  --shadow-md:0 4px 16px rgba(16,17,20,.08);
}

*{box-sizing:border-box}
html,body{height:100%}
body{
  background:var(--bg);
  color:var(--text);
  font-family:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;
  font-size:14px;
  -webkit-font-smoothing:antialiased;
}
a{color:var(--accent);text-decoration:none}
a:hover{color:var(--accent-hover)}
code,.mono{font-family:'JetBrains Mono',ui-monospace,Menlo,Consolas,monospace}

.app-shell{display:flex;min-height:100vh}

.sidebar{
  width:236px;flex:0 0 236px;background:var(--surface);border-right:1px solid var(--border);
  display:flex;flex-direction:column;position:sticky;top:0;height:100vh;
}
.sidebar-brand{display:flex;align-items:center;gap:10px;padding:18px 20px;border-bottom:1px solid var(--border)}
.sidebar-brand .mark{width:28px;height:28px;border-radius:7px;background:var(--accent);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:13px}
.sidebar-brand .name{font-weight:600;font-size:14px;letter-spacing:-.01em}
.sidebar-nav{flex:1;padding:14px 10px;overflow-y:auto}
.sidebar-section{font-size:11px;text-transform:uppercase;letter-spacing:.06em;color:var(--text-faint);padding:14px 10px 6px}
.sidebar-link{
  display:flex;align-items:center;gap:10px;padding:8px 10px;border-radius:6px;color:var(--text-muted);
  font-size:13.5px;font-weight:500;margin-bottom:2px;
}
.sidebar-link i{font-size:15px;width:16px;text-align:center}
.sidebar-link:hover{background:var(--bg);color:var(--text)}
.sidebar-link.active{background:var(--accent-soft);color:var(--accent)}
.sidebar-link.disabled{color:var(--text-faint);cursor:default}
.sidebar-link.disabled:hover{background:none;color:var(--text-faint)}
.sidebar-link .soon{margin-left:auto;font-size:9.5px;font-weight:700;letter-spacing:.03em;color:var(--text-faint);background:var(--bg);border:1px solid var(--border);padding:1px 5px;border-radius:20px}
.sidebar-foot{padding:14px 16px;border-top:1px solid var(--border)}
.sidebar-user{display:flex;align-items:center;gap:9px}
.sidebar-user .avatar{width:28px;height:28px;border-radius:50%;background:var(--accent-soft);color:var(--accent);display:flex;align-items:center;justify-content:center;font-weight:600;font-size:12px}
.sidebar-user .uname{font-size:13px;font-weight:600;line-height:1.2}
.sidebar-user .urole{font-size:11px;color:var(--text-faint);text-transform:capitalize}
.sidebar-user a{color:var(--text-faint);margin-left:auto}

.main{flex:1;min-width:0;display:flex;flex-direction:column}
.topbar{
  height:56px;flex:0 0 56px;border-bottom:1px solid var(--border);background:var(--surface);
  display:flex;align-items:center;justify-content:space-between;padding:0 22px;position:sticky;top:0;z-index:10;
}
.topbar .title{font-size:14.5px;font-weight:600}
.topbar .sub{font-size:12px;color:var(--text-faint);margin-top:1px}
.content{padding:24px 26px 60px;flex:1}

.page-header{display:flex;align-items:flex-end;justify-content:space-between;margin-bottom:20px;flex-wrap:wrap;gap:12px}
.page-header h1{font-size:20px;font-weight:650;letter-spacing:-.01em;margin:0}
.page-header p{color:var(--text-muted);font-size:13px;margin:4px 0 0}

.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow-sm)}
.card-header{padding:14px 18px;border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between}
.card-header h2{font-size:13.5px;font-weight:650;margin:0}
.card-body{padding:18px}

.stat-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:14px;margin-bottom:22px}
.stat-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:16px 18px;box-shadow:var(--shadow-sm)}
.stat-card .label{font-size:11.5px;color:var(--text-faint);font-weight:600;text-transform:uppercase;letter-spacing:.04em}
.stat-card .value{font-size:24px;font-weight:650;margin-top:6px;letter-spacing:-.02em}
.stat-card .delta{font-size:12px;margin-top:4px;color:var(--text-muted)}

.table{margin:0;font-size:13px}
.table thead th{
  font-size:11px;text-transform:uppercase;letter-spacing:.04em;color:var(--text-faint);
  font-weight:650;border-bottom:1px solid var(--border);padding:10px 14px;background:var(--bg);white-space:nowrap;
}
.table tbody td{padding:11px 14px;border-bottom:1px solid var(--border);vertical-align:middle}
.table tbody tr:last-child td{border-bottom:none}
.table tbody tr:hover{background:var(--bg)}
.table-wrap{overflow-x:auto}

.badge-pill{display:inline-flex;align-items:center;gap:4px;padding:2.5px 9px;border-radius:20px;font-size:11px;font-weight:650}
.badge-platform-polymarket_us{background:#eef0fb;color:#3d47c9}
.badge-platform-kalshi{background:#e7f6ef;color:#1a8f5e}
.badge-status-open{background:var(--success-soft);color:var(--success)}
.badge-status-closed{background:#eceef1;color:var(--text-muted)}
.badge-status-pending{background:var(--warning-soft);color:var(--warning)}
.badge-status-confirmed{background:var(--success-soft);color:var(--success)}
.badge-status-rejected{background:var(--danger-soft);color:var(--danger)}

.btn{border-radius:6px;font-size:13px;font-weight:600;padding:6px 14px;border:1px solid transparent}
.btn-primary{background:var(--accent);border-color:var(--accent)}
.btn-primary:hover{background:var(--accent-hover);border-color:var(--accent-hover)}
.btn-outline-secondary{border-color:var(--border);color:var(--text)}
.btn-outline-secondary:hover{background:var(--bg);color:var(--text)}
.btn-sm{padding:4px 10px;font-size:12.5px}

.form-control,.form-select{
  border-radius:6px;border-color:var(--border);font-size:13.5px;padding:7px 11px;
}
.form-control:focus,.form-select:focus{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-soft)}
.form-label{font-size:12.5px;font-weight:600;color:var(--text-muted);margin-bottom:5px}

.empty-state{padding:48px 20px;text-align:center;color:var(--text-faint)}
.empty-state i{font-size:26px;display:block;margin-bottom:10px}

.text-muted-sm{color:var(--text-faint);font-size:12px}
.filter-bar{display:flex;gap:10px;align-items:center;margin-bottom:14px;flex-wrap:wrap}
.filter-bar .form-select,.filter-bar .form-control{width:auto;min-width:150px}

.login-shell{min-height:100vh;display:flex;align-items:center;justify-content:center;background:var(--bg);padding:20px}
.login-card{width:380px;max-width:100%;background:var(--surface);border:1px solid var(--border);border-radius:12px;box-shadow:var(--shadow-md);padding:32px 30px}
.login-card .mark{width:36px;height:36px;border-radius:9px;background:var(--accent);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700;margin-bottom:14px}
.login-card h1{font-size:17px;font-weight:650;margin:0 0 2px}
.login-card p{font-size:12.5px;color:var(--text-faint);margin:0 0 22px}

/* Mobile / responsive */
.sidebar-toggle{
  display:none;width:32px;height:32px;border-radius:6px;border:1px solid var(--border);background:var(--surface);
  color:var(--text);font-size:16px;align-items:center;justify-content:center;flex:0 0 auto;
}
.sidebar-backdrop{display:none}

@media (max-width:900px){
  .sidebar-toggle{display:inline-flex}
  .app-shell{position:relative}
  .sidebar{
    position:fixed;top:0;left:0;bottom:0;z-index:1050;
    transform:translateX(-100%);transition:transform .2s ease;box-shadow:var(--shadow-md);
  }
  .sidebar.open{transform:translateX(0)}
  .sidebar-backdrop.open{
    display:block;position:fixed;inset:0;background:rgba(16,17,20,.4);z-index:1040;
  }
  .content{padding:16px 14px 40px}
  .topbar{padding:0 14px}
  .topbar .topbar-date{display:none}
  .page-header h1{font-size:18px}
  .stat-grid{grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:10px}
  .card-body{padding:14px}
  .filter-bar .form-select,.filter-bar .form-control{min-width:0;flex:1 1 140px}
}

@media (max-width:480px){
  .stat-grid{grid-template-columns:1fr 1fr}
  .login-card{padding:24px 20px}
}