/* Layout */
.container { max-width: var(--max-width); margin: 0 auto; padding: 0 var(--space-6); }
.container--narrow { max-width: var(--max-width-narrow); }
.container--wide { max-width: var(--max-width-wide); }

/* Navbar */
.navbar {
    padding: var(--space-4) 0;
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(255,255,255,0.92);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--color-border);
}
.navbar__inner { display: flex; align-items: center; justify-content: space-between; }
.navbar__brand {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
    text-decoration: none;
    line-height: 1;
}
.navbar__logo {
    height: 24px;
    width: auto;
    display: block;
    flex-shrink: 0;
}
.navbar__wordmark {
    font-size: var(--text-lg);
    font-weight: 700;
    color: var(--color-text);
    letter-spacing: var(--tracking-tight);
    line-height: 1;
    padding-top: 4px;
}
.navbar__wordmark span { color: var(--color-primary); }
.navbar__links { display: flex; align-items: center; gap: var(--space-6); }
.navbar__link {
    color: var(--color-text-secondary);
    text-decoration: none;
    font-size: var(--text-sm);
    font-weight: 500;
    transition: color var(--transition-fast);
}
.navbar__link:hover { color: var(--color-text); }

/* Footer */
.footer {
    border-top: 1px solid var(--color-border);
    padding: var(--space-10) 0;
    margin-top: var(--space-20);
    color: var(--color-text-muted);
    font-size: var(--text-sm);
}
.footer__inner { display: flex; justify-content: space-between; align-items: center; }
.footer__links { display: flex; gap: var(--space-6); }
.footer__brand {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
    text-decoration: none;
    line-height: 1;
    opacity: 0.5;
    transition: opacity var(--transition-fast);
}
.footer__brand:hover { opacity: 0.8; }
.footer__logo {
    height: 20px;
    width: auto;
    display: block;
    flex-shrink: 0;
}
.footer__wordmark {
    font-size: var(--text-sm);
    font-weight: 700;
    color: var(--color-text);
    letter-spacing: var(--tracking-tight);
    line-height: 1;
    padding-top: 3px;
}
.footer__wordmark span { color: var(--color-primary); }
.footer__link { color: var(--color-text-muted); text-decoration: none; transition: color var(--transition-fast); }
.footer__link:hover { color: var(--color-text-secondary); }

/* Page content */
.page { padding: var(--space-10) 0; }
.page__header { margin-bottom: var(--space-8); }
.page__title { font-size: var(--text-3xl); font-weight: 700; margin-bottom: var(--space-2); }
.page__subtitle { color: var(--color-text-secondary); font-size: var(--text-lg); line-height: var(--leading-normal); }

/* Flash messages */
.messages { padding: var(--space-4) 0; }
.message {
    padding: var(--space-3) var(--space-4);
    border-radius: var(--radius-md);
    margin-bottom: var(--space-2);
    font-size: var(--text-sm);
    font-weight: 500;
}
.message--success { background: #dcfce7; color: #166534; }
.message--error { background: #fef2f2; color: #991b1b; }
.message--warning { background: #fefce8; color: #854d0e; }
.message--info { background: #eff6ff; color: #1e40af; }