* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: var(--font-sans);
  background: var(--color-bg);
  color: var(--color-text);
}

.app-nav {
  display: flex;
  align-items: center;
  gap: 24px;
  padding: 12px 24px;
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
}
.app-nav-brand { font-weight: 700; }
.app-nav-links { display: flex; gap: 16px; flex: 1; }
.nav-link { color: var(--color-text-muted); text-decoration: none; padding: 6px 10px; border-radius: var(--radius); }
.nav-link-active { color: var(--color-primary); background: color-mix(in srgb, var(--color-primary) 12%, transparent); font-weight: 600; }
.app-nav-logout button {
  background: none; border: 1px solid var(--color-border); border-radius: var(--radius);
  padding: 6px 12px; cursor: pointer; color: var(--color-text-muted);
}

.app-main { max-width: 1200px; margin: 0 auto; padding: 24px; }

.login-body {
  display: flex; align-items: center; justify-content: center;
  min-height: 100vh; margin: 0; font-family: var(--font-sans); background: var(--color-bg);
}
.login-card {
  background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius);
  padding: 32px; width: 320px; box-shadow: var(--shadow-card);
}
.login-card h1 { font-size: 1.25rem; margin: 0 0 4px; }
.login-subtitle { color: var(--color-text-muted); margin: 0 0 20px; font-size: 0.9rem; }
.login-error { color: var(--color-critical-text); font-size: 0.9rem; }
.login-form { display: flex; flex-direction: column; gap: 8px; }
.login-form label { font-size: 0.85rem; color: var(--color-text-muted); }
.login-form input {
  padding: 8px 10px; border: 1px solid var(--color-border); border-radius: var(--radius); font-size: 1rem;
}
.login-form button {
  margin-top: 8px; padding: 10px; border: none; border-radius: var(--radius);
  background: var(--color-primary); color: white; font-weight: 600; cursor: pointer;
}

h1.page-title { font-size: 1.4rem; margin: 0 0 4px; }
p.page-subtitle { color: var(--color-text-muted); margin: 0 0 20px; }
section.page-section { margin: 32px 0; }
section.page-section h2 { font-size: 1.1rem; margin: 0 0 12px; }