/*
 * 糀庵 共通スタイル
 * 全ページで共有するヘッダー、フッター、基本スタイル
 */

/* ===== CSS変数 ===== */
:root {
    --site-bg: #0f0f13;
    --site-bg-card: #12121a;
    --site-border: #2a2a3a;
    --site-text: #e0e0e8;
    --site-text-dim: #71717a;
    --site-accent-start: #06b6d4;
    --site-accent-end: #8b5cf6;
}

:root.light {
    --site-bg: #f8f9fa;
    --site-bg-card: #ffffff;
    --site-border: #d4d4d8;
    --site-text: #18181b;
    --site-text-dim: #71717a;
}

/* ===== 共通ヘッダー ===== */
.site-header {
    padding: 24px 40px;
    border-bottom: 1px solid var(--site-border);
    display: flex;
    align-items: center;
    gap: 12px;
}

.site-header a {
    color: var(--site-text);
    font-size: 14px;
    opacity: 0.6;
    text-decoration: none;
    transition: opacity 0.2s;
}

.site-header a:hover {
    opacity: 1;
}

.site-header .separator {
    opacity: 0.3;
    font-size: 13px;
    color: var(--site-text);
}

.site-header .current {
    color: var(--site-text);
    font-size: 14px;
    opacity: 0.6;
}

/* ===== テーマランプ ===== */
.site-theme-lamp {
    margin-left: auto;
    background: none;
    border: none;
    color: #F59E0B;
    cursor: pointer;
    padding: 6px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s;
    -webkit-appearance: none;
    appearance: none;
}

.site-theme-lamp svg {
    filter: drop-shadow(0 0 4px rgba(245, 158, 11, 0.3));
    animation: lamp-pulse 2s ease-in-out infinite;
}

@keyframes lamp-pulse {
    0%, 100% { filter: drop-shadow(0 0 4px rgba(245, 158, 11, 0.3)); }
    50% { filter: drop-shadow(0 0 8px rgba(245, 158, 11, 0.5)); }
}

.site-theme-lamp:hover {
    transform: scale(1.15);
}

:root.light .site-theme-lamp {
    color: #999;
}

:root.light .site-theme-lamp svg {
    filter: none;
    animation: none;
}

:root.light .site-header a img {
    filter: invert(1);
}

/* ===== レスポンシブ ===== */
@media (max-width: 768px) {
    .site-header {
        padding: 16px 20px;
        gap: 8px;
    }

    .site-header a,
    .site-header .current {
        font-size: 13px;
    }
}