/* ===== Site nav (codebase header pattern) — used on all signed-in app pages ===== */
:root { --site-nav-height: 70px; }

.site-nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  padding: 14px 32px;
  background: rgba(10, 10, 26, 0.85);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}
.site-nav-inner {
  max-width: 1200px; margin: 0 auto;
  display: flex; align-items: center; justify-content: space-between;
}
.site-nav-logo { display: flex; align-items: center; gap: 14px; text-decoration: none; }
/* Constrain the JPG logo to the same height as the gradient mark — without
   this, the raw image renders at its native ~500px size and blows up the nav. */
.site-nav-logo img,
.cs-nav-brand img,
.cs-brand img {
  height: 42px; width: auto; border-radius: 8px; display: block;
}
.site-nav-logo-mark {
  width: 42px; height: 42px; border-radius: 10px; display: grid; place-items: center;
  background: linear-gradient(135deg, #00d4ff 0%, #9b59b6 100%);
  color: #fff; font: 700 15px/1 'Poppins', sans-serif; letter-spacing: .04em;
}
.site-nav-logo span:not(.site-nav-logo-mark) {
  font-family: 'Poppins', sans-serif; font-weight: 600; font-size: 1.15rem;
  background: linear-gradient(135deg, #00d4ff 0%, #9b59b6 100%);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}
.site-nav-links { display: flex; align-items: center; gap: 32px; }
.site-nav-links a {
  color: #fff; text-decoration: none;
  font: 500 0.88rem/1 'Poppins', sans-serif;
  transition: color .3s ease;
}
.site-nav-links a:hover,
.site-nav-links a[aria-current="page"]:not(.nav-cta) { color: #00d4ff; }
.site-nav-links a.nav-locked { color: #a8a8c0; cursor: pointer; }
.site-nav-links a.nav-locked:hover { color: #00d4ff; }
.site-nav-links a.nav-cta {
  padding: 10px 22px;
  background: linear-gradient(135deg, #00d4ff 0%, #9b59b6 100%);
  border-radius: 6px; color: #fff !important; font-weight: 600;
  transition: all .3s ease;
}
.site-nav-links a.nav-cta:hover { transform: translateY(-2px); box-shadow: 0 12px 28px rgba(0,212,255,0.3); }

.site-nav-theme {
  background: transparent; border: 1px solid rgba(255,255,255,0.12);
  color: #fff; width: 36px; height: 36px; border-radius: 999px;
  display: grid; place-items: center; cursor: pointer; padding: 0;
  transition: background .2s, border-color .2s;
}
.site-nav-theme:hover { background: rgba(255,255,255,0.06); border-color: rgba(0,212,255,0.4); }
.site-nav-theme i { width: 16px; height: 16px; }
[data-theme="light"] .site-nav-theme .moon { display: none; }
[data-theme="dark"]  .site-nav-theme .sun  { display: none; }

.site-nav-hamburger {
  display: none; font-size: 24px; cursor: pointer; color: #a8a8c0;
  background: none; border: none; padding: 4px;
}
@media (max-width: 768px) {
  .site-nav-links {
    display: none; flex-direction: column; position: absolute;
    right: 20px; top: 64px;
    background: rgba(10,10,26,0.95);
    backdrop-filter: blur(24px); -webkit-backdrop-filter: blur(24px);
    padding: 20px 24px; border-radius: 12px;
    border: 1px solid rgba(255,255,255,0.08);
    box-shadow: 0 8px 32px rgba(0,0,0,0.4);
    gap: 16px; z-index: 1001;
  }
  .site-nav-links.show { display: flex; }
  .site-nav-hamburger { display: block; }
  .site-nav { padding: 12px 20px; }
}