:root {
    --global-header-height: 78px;
}

body {
    animation: globalFadeIn 0.35s ease;
}

@keyframes globalFadeIn {
    from {
        opacity: 0;
        transform: translateY(8px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.page-shell {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

#globalHeader,
#globalFooter {
    width: 100%;
}

.global-site-header {
    position: sticky;
    top: 0;
    z-index: 1000;
    border-bottom: 1px solid var(--border);
    background: rgba(255, 255, 255, 0.94);
    -webkit-backdrop-filter: blur(10px);
    backdrop-filter: blur(10px);
}

html[data-theme="dark"] .global-site-header {
    background: rgba(15, 23, 42, 0.95);
}

.global-site-header .global-header-inner {
    min-height: var(--global-header-height);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}

.global-brand {
    display: inline-flex;
    align-items: center;
    gap: 0.65rem;
    color: var(--text-main);
    text-decoration: none;
    font-weight: 800;
    letter-spacing: -0.02em;
}

.global-brand-badge {
    width: 40px;
    height: 40px;
    border-radius: 12px;
    display: grid;
    place-items: center;
    color: #fff;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    box-shadow: var(--shadow-sm);
}

.global-nav {
    display: flex;
    align-items: center;
    gap: 0.55rem;
    flex-wrap: wrap;
}

.global-nav-link,
.global-theme-toggle {
    border: 1px solid var(--border);
    border-radius: 999px;
    background: var(--bg-surface);
    color: var(--text-soft);
    text-decoration: none;
    font-size: 0.86rem;
    font-weight: 700;
    padding: 0.46rem 0.82rem;
    display: inline-flex;
    align-items: center;
    gap: 0.38rem;
    transition: var(--transition);
    cursor: pointer;
}

.global-nav-link:hover,
.global-theme-toggle:hover {
    color: var(--text-main);
    border-color: var(--primary);
    transform: translateY(-1px);
}

.global-nav-link.active {
    color: #ffffff;
    border-color: transparent;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
}

.global-main {
    flex: 1;
    padding-top: 1.25rem;
}

.global-site-footer {
    border-top: 1px solid var(--border);
    margin-top: 2rem;
    background: var(--bg-surface);
}

.global-footer-inner {
    padding-top: 1.15rem;
    padding-bottom: 1.15rem;
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
}

.global-footer-text {
    color: var(--text-muted);
    font-size: 0.88rem;
}

.global-footer-links {
    display: flex;
    flex-wrap: wrap;
    gap: 0.6rem;
}

.global-footer-links a {
    color: var(--text-soft);
    text-decoration: none;
    font-size: 0.82rem;
    font-weight: 700;
    border: 1px solid var(--border);
    border-radius: 999px;
    padding: 0.35rem 0.72rem;
    transition: var(--transition);
}

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

@media (max-width: 900px) {
    .global-site-header .global-header-inner {
        flex-direction: column;
        align-items: stretch;
        justify-content: center;
        min-height: 0;
        padding-top: 0.8rem;
        padding-bottom: 0.8rem;
    }

    .global-brand {
        justify-content: center;
    }

    .global-nav {
        justify-content: center;
    }

    .global-footer-inner {
        flex-direction: column;
        align-items: flex-start;
    }
}