@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap');
:root{
  --bg-primary: #f8fafc;
  --bg-secondary: #f1f5f9;
  --bg-card: #ffffff;
  --bg-sidebar: #1e3a5f;
  --text-primary: #0f172a;
  --text-secondary: #64748b;
  --text-muted: #94a3b8;
  --border-color: #d1d5db;
  --accent: #2563eb;
  --accent-hover: #1d4ed8;
  --icon-color: #ffffff;
  --shadow: 0 1px 3px rgba(0,0,0,0.12);
  --sidebar-width:220px;
  --sidebar-text: rgba(255,255,255,0.85);
  --sidebar-active-bg: rgba(255,255,255,0.18);
  --sidebar-active-text: #ffffff;
  --sidebar-hover-bg: rgba(255,255,255,0.12);
}
[data-theme="dark"]{
  --bg-primary: #0f172a;
  --bg-secondary: #1e293b;
  --bg-card: #1e293b;
  --bg-sidebar: #0f172a;
  --text-primary: #f1f5f9;
  --text-secondary: #e2e8f0;
  --text-muted: #cbd5e1;
  --border-color: #334155;
  --accent: #2563eb;
  --accent-hover: #3b82f6;
  --icon-color: #94a3b8;
  --shadow: 0 1px 3px rgba(0,0,0,0.45);
  --sidebar-text: rgba(255,255,255,0.9);
  --sidebar-active-bg: rgba(255,255,255,0.2);
  --sidebar-active-text: #ffffff;
  --sidebar-hover-bg: rgba(255,255,255,0.12);
}
body{font-family:'Inter',system-ui,Segoe UI,Roboto,Arial,sans-serif;margin:0;background:var(--bg-primary);color:var(--text-primary);font-size:16px;line-height:1.55}

h1{font-size:26px;font-weight:600;letter-spacing:-.01em;margin:0}
h2{font-size:22px;font-weight:600;letter-spacing:-.01em;margin:0}
h3{font-size:18px;font-weight:600;letter-spacing:-.01em;margin:0}
.shell,.dashboard-layout{display:flex;min-height:100vh}
#sidebar{width:var(--sidebar-width);transition:width 0.2s ease;overflow:hidden;white-space:nowrap;background:var(--bg-sidebar) !important;color:#fff !important;padding:18px;position:fixed;top:0;bottom:0;left:0;z-index:100}
#sidebar h2{margin:0 0 16px;font-size:18px;color:#fff !important}
#sidebar #sidebar-toggle{color:#fff !important}
#sidebar .nav-icon,#sidebar .nav-label{color:#fff !important}
.nav a{display:flex;align-items:center;gap:8px;color:#fff !important;text-decoration:none;padding:9px 12px;border-radius:8px;margin-bottom:6px;font-size:14px;font-weight:600}
.nav a:hover{background:var(--sidebar-hover-bg)}
.nav a.active{background:var(--sidebar-active-bg);color:#fff !important}
.nav-label{white-space:nowrap}
#main-content,.main-container{margin-left:var(--sidebar-width);width:100%;padding:24px 32px;max-width:1800px;transition:margin-left .2s ease}
#sidebar-toggle{width:100%;padding:12px 16px;background:none;border:none;color:var(--icon-color);text-align:left;cursor:pointer;font-size:18px}
.card{background:var(--bg-card);border:1px solid var(--border-color);border-radius:10px;padding:14px;box-shadow:var(--shadow)}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:12px;margin:12px 0}
.row{display:flex;gap:12px;align-items:center;margin:10px 0}
.label{font-size:14px;color:var(--text-secondary);text-transform:uppercase;letter-spacing:.04em}
.value{font-size:22px;font-weight:600;margin-top:6px}
#status{color:var(--text-secondary)}
.topbar{display:flex;justify-content:space-between;align-items:center;padding:10px 12px;border:1px solid var(--border-color);border-radius:12px;background:var(--bg-card);margin:12px 0}
.topbar-label{font-size:13px;color:var(--text-secondary);text-transform:uppercase;letter-spacing:.04em}
.topbar-value{font-weight:600;margin-top:2px}
.topbar-right{display:flex;gap:10px;align-items:center}
.topbar-pill{font-size:13px;color:var(--text-secondary);border:1px solid var(--border-color);padding:6px 10px;border-radius:999px}
.theme-toggle{border:1px solid var(--border-color);background:var(--bg-card);color:var(--text-primary);border-radius:8px;padding:6px 8px;cursor:pointer}
.toast{position:fixed;bottom:20px;right:20px;background:var(--bg-sidebar);color:var(--text-primary);padding:10px 14px;border-radius:8px;font-size:14px;box-shadow:var(--shadow);opacity:0;transform:translateY(6px);transition:all .2s ease}
.toast.show{opacity:1;transform:translateY(0)}
.demo-banner{background:var(--bg-secondary);color:var(--text-secondary);padding:6px 10px;border-radius:8px;font-size:12px;margin:6px 0}

[data-mode="simple"] .nav-item{display:flex}

@media (max-width:900px){.topbar{flex-direction:column;align-items:flex-start;gap:8px}.topbar-right{width:100%;justify-content:space-between}#sidebar{position:static;width:100%;}#main-content,.main-container{margin-left:0}}