/* Bố cục chung – header, main, footer */

.header {
    background: var(--white);
    border-bottom: 1px solid var(--border);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 0;
    min-height: 56px;
}

.logo {
    font-size: 18px;
    font-weight: 600;
    color: var(--primary);
    text-decoration: none;
    letter-spacing: -0.02em;
}

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

.nav {
    display: flex;
    align-items: center;
    gap: 8px;
}

.nav a {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    font-size: 14px;
    padding: 8px 12px;
    border-radius: var(--radius);
}

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

.main {
    flex: 1;
    padding: 32px 0 48px;
}

.footer {
    background: var(--white);
    border-top: 1px solid var(--border);
    padding: 20px 0;
    margin-top: auto;
}

.footer p {
    margin: 0;
    text-align: center;
    font-size: 13px;
    color: var(--text-tertiary);
}