:root{
  --background: 220 20% 4%;
  --foreground: 210 20% 92%;
  --card: 220 18% 8%;
  --primary: 185 85% 50%;
  --primary-foreground: 220 20% 4%;
  --secondary: 220 15% 14%;
  --secondary-foreground: 210 20% 85%;
  --muted-foreground: 215 15% 55%;
  --border: 220 15% 16%;
  --radius: 0.75rem;
  --font-heading: "Space Grotesk", system-ui, sans-serif;
  --font-body: "Inter", system-ui, sans-serif;
}

body{
  background: hsl(var(--background));
  color: hsl(var(--foreground));
  font-family: var(--font-body);
  -webkit-font-smoothing: antialiased;
}

*,
*::before,
*::after{
  box-sizing:border-box;
}

.container{
  width:100%;
  max-width:1400px;
  margin:0 auto;
  padding-inline:clamp(1rem, 3vw, 2rem) !important;
}

header.site{
  position: sticky;
  top: 0;
  z-index: 50;
  border-bottom: 1px solid hsl(var(--border));
  background: hsl(var(--background) / 0.88);
  backdrop-filter: blur(12px);
}
.head-row{display:flex;align-items:center;justify-content:space-between;padding:.75rem 0;gap:1rem}
.logo{display:flex;align-items:center;gap:.65rem;font-family:var(--font-heading);font-weight:700;font-size:1.125rem;color:inherit;text-decoration:none}
.logo-mark{width:48px;height:48px;flex:0 0 auto;display:block}
.logo-text{display:inline-flex;gap:0;align-items:baseline;line-height:1}
.logo-ghost{color:hsl(var(--primary))}
.logo-pilot{color:hsl(var(--foreground))}
.head-nav{display:flex;align-items:center;gap:.75rem}
.head-link{font-size:.9rem;color:hsl(var(--foreground));opacity:.85;text-decoration:none}
.head-link:hover{opacity:1;text-decoration:underline}
.btn-head{
  font-size:.875rem;
  font-weight:600;
  padding:.5rem 1rem;
  border-radius:var(--radius);
  background:hsl(var(--primary));
  color:hsl(var(--primary-foreground));
  text-decoration:none;
  transition:filter .15s;
}
.btn-head:hover{filter:brightness(1.08)}

.hidden{display:none!important}

.header-account{
  display:inline-flex;
  align-items:center;
  gap:.5rem;
  text-decoration:none;
  color:hsl(var(--foreground));
  font-size:.875rem;
  font-weight:600;
  padding:.35rem .5rem .35rem .85rem;
  border-radius:var(--radius);
  border:1px solid hsl(var(--border));
  background:hsl(var(--secondary));
  transition:border-color .15s, background .15s;
}
.header-account:hover{
  border-color:hsl(var(--primary) / .35);
  background:hsl(var(--secondary) / .85);
}
.header-account-label{white-space:nowrap}
.header-avatar{
  width:2rem;
  height:2rem;
  border-radius:50%;
  display:grid;
  place-items:center;
  font-size:.7rem;
  font-weight:700;
  letter-spacing:.02em;
  background:hsl(var(--primary) / .18);
  color:hsl(var(--primary));
  flex-shrink:0;
}

.header-logout{
  display:inline-flex;
  align-items:center;
  gap:.45rem;
  font:inherit;
  font-size:.875rem;
  font-weight:600;
  padding:.5rem .85rem;
  border-radius:var(--radius);
  border:1px solid hsl(var(--border));
  background:hsl(var(--secondary));
  color:hsl(var(--foreground));
  cursor:pointer;
  transition:border-color .15s, background .15s, color .15s;
}
.header-logout:hover:not(:disabled){
  border-color:hsl(0 70% 50% / .35);
  color:hsl(0 70% 70%);
  background:hsl(0 70% 50% / .08);
}
.header-logout:disabled{opacity:.6;cursor:wait}
.header-logout-icon{flex-shrink:0;display:block}

.site-footer{
  padding: 1.5rem;
  text-align: center;
  font-size: 0.8rem;
  color: hsl(var(--muted-foreground));
  border-top: 1px solid hsl(var(--border));
}