.layout {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background: var(--bg-primary);
}

/* Header */
.header {
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border-primary);
  padding: 0;
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(12px);
  background: rgba(17, 17, 19, 0.85);
}

.header-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 64px;
}

/* Logo */
.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--text-primary);
  font-size: 1.25rem;
  font-weight: 600;
  text-decoration: none;
  transition: opacity var(--transition-fast);
}

.logo:hover {
  opacity: 0.9;
  color: var(--text-primary);
}

.logo-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: var(--accent-gradient);
  border-radius: var(--radius-md);
  color: white;
  box-shadow: var(--shadow-glow);
}

.logo-text {
  letter-spacing: -0.02em;
}

/* Navigation */
.nav {
  display: flex;
  gap: 8px;
}

.nav a {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  color: var(--text-primary);
  font-size: 0.875rem;
  font-weight: 500;
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}

.nav a:hover {
  color: var(--text-primary);
  background: var(--bg-hover);
}

.nav a.active {
  color: var(--accent-primary);
  background: rgba(16, 185, 129, 0.1);
}

.nav a svg {
  opacity: 0.8;
}

.nav a:hover svg,
.nav a.active svg {
  opacity: 1;
}

.nav-link-muted {
  opacity: 0.7;
}

/* Main content */
.main {
  flex: 1;
  padding: 32px 0 64px;
}

/* Footer */
.footer {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-primary);
  padding: 24px 0;
}

.footer-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.footer-logo {
  font-weight: 600;
  color: var(--text-primary);
}

.footer-tagline {
  color: var(--text-secondary);
  font-size: 0.875rem;
}

.footer-links {
  display: flex;
  gap: 24px;
}

.footer-links a {
  color: var(--text-secondary);
  font-size: 0.875rem;
  transition: color var(--transition-fast);
}

.footer-links a:hover {
  color: var(--text-primary);
}

/* Responsive */
@media (max-width: 640px) {
  .header-content {
    height: 56px;
  }

  .logo-text {
    display: none;
  }

  .nav a span {
    display: none;
  }

  .footer-content {
    flex-direction: column;
    gap: 16px;
    text-align: center;
  }

  .footer-brand {
    flex-direction: column;
    gap: 4px;
  }
}