:root {
    --core-bg: #1c1310;
    --core-bg-raised: #251a15;
    --core-bg-card: #2e2018;
    --core-border: #3d2b1f;
    --core-border-hover: #5c3d28;
    --core-text: #f4deb8;
    --core-text-muted: #e8c28a;
    --core-text-dim: #b37a48;
    --core-accent: #d4975c;
    --core-accent-bright: #e8c28a;
    --core-radius: 10px;
    --core-transition: 0.2s ease;
    --core-max-w: 720px;
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: var(--core-bg);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--core-border);
}

.site-announcement {
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 0.75rem 1.5rem;
    background: rgba(212, 151, 92, 0.12);
    color: var(--core-text);
    border-bottom: 1px solid rgba(212, 151, 92, 0.18);
    font-size: 0.95rem;
    text-align: center;
}

.site-announcement p {
    margin: 0;
    max-width: 820px;
}

.nav-container {
    max-width: var(--core-max-w);
    margin: 0 auto;
    padding: 0.875rem 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo {
    font-family: 'Lota', Georgia, 'Times New Roman', serif;
    font-style: italic;
    font-size: 1.25rem;
    color: var(--core-text);
}

.nav-logo:hover {
    opacity: 0.6;
}

.nav-menu {
    list-style: none;
    display: flex;
    gap: 1.5rem;
}

.nav-menu a {
    font-size: 0.875rem;
    color: var(--core-text-muted);
    letter-spacing: 0.01em;
}

.nav-menu a:hover {
    color: var(--core-text);
    opacity: 1;
}

.nav-dropdown {
    position: relative;
}

.nav-dropdown details {
    position: relative;
}

.nav-dropdown summary {
    list-style: none;
    cursor: pointer;
    font-size: 0.875rem;
    color: var(--core-text-muted);
    letter-spacing: 0.01em;
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
}

.nav-dropdown summary::-webkit-details-marker {
    display: none;
}

.nav-dropdown summary:hover,
.nav-dropdown:hover summary,
.nav-dropdown:focus-within summary,
.nav-dropdown details[open] summary {
    color: var(--core-text);
}

.nav-dropdown .dropdown-menu {
    position: absolute;
    left: 0;
    top: calc(100% + 0.5rem);
    min-width: 220px;
    margin: 0;
    padding: 0.5rem 0;
    background: var(--core-bg);
    border: 1px solid var(--core-border);
    border-radius: 0.75rem;
    box-shadow: 0 18px 40px rgba(0, 0, 0, 0.08);
    list-style: none;
    z-index: 200;
    display: none;
}

.nav-dropdown:hover .dropdown-menu,
.nav-dropdown:focus-within .dropdown-menu,
.nav-dropdown details[open] .dropdown-menu {
    display: block;
}

.nav-dropdown .dropdown-menu li {
    white-space: nowrap;
}

.nav-dropdown .dropdown-menu a,
.nav-dropdown .dropdown-disabled {
    display: block;
    padding: 0.5rem 1rem;
    color: var(--core-text-muted);
    font-size: 0.875rem;
}

.nav-dropdown .dropdown-menu a:hover {
    background: rgba(255, 255, 255, 0.04);
    color: var(--core-text);
}

.nav-dropdown .dropdown-disabled {
    cursor: default;
    color: var(--core-text-dim);
}

.nav-dropdown summary:focus {
    outline: none;
}

.site-footer {
    max-width: var(--core-max-w);
    margin: 0 auto;
    padding: 2.5rem 1.5rem 3rem;
    border-top: 1px solid var(--core-border);
    font-size: 0.8125rem;
    color: var(--core-text-dim);
    line-height: 1.8;
}

.site-footer a {
    color: var(--core-text-muted);
}

.site-footer a:hover {
    color: var(--core-text);
    opacity: 1;
}

.privacy-notice {
    position: fixed;
    bottom: 1.5rem;
    right: 1.5rem;
    max-width: 320px;
    background: var(--core-bg-card);
    border: 1px solid var(--core-border);
    border-radius: var(--core-radius);
    padding: 1rem 1.25rem;
    z-index: 150;
    animation: coreSlideUp 0.3s ease;
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.24);
}

.privacy-notice p {
    font-size: 0.8125rem;
    color: var(--core-text-muted);
    line-height: 1.6;
    margin: 0;
}

.privacy-notice a {
    color: var(--core-accent);
    text-decoration: underline;
}

.privacy-notice a:hover {
    opacity: 0.75;
}

.privacy-close {
    position: absolute;
    top: 0.5rem;
    right: 0.5rem;
    background: transparent;
    border: none;
    color: var(--core-text-dim);
    font-size: 1rem;
    cursor: pointer;
    padding: 0.25rem 0.5rem;
    transition: color var(--core-transition);
}

.privacy-close:hover {
    color: var(--core-accent);
}

.privacy-notice.hidden {
    display: none;
}

@keyframes coreSlideUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@media (max-width: 600px) {
    .nav-dropdown .dropdown-menu {
        position: static;
        box-shadow: none;
        border: none;
    }

    .nav-menu {
        display: none;
    }

    .privacy-notice {
        bottom: 1rem;
        right: 1rem;
    }
}