/* ===================================================================
   i18n — 言語セレクタ＋サジェストバナー（style.css の :root 変数を利用）
   =================================================================== */

/* 言語セレクタ（details/summary・JS不要） */
.lang-switch { position: relative; display: inline-block; margin-left: 4px; }
.lang-switch > summary {
    list-style: none; cursor: pointer; user-select: none;
    display: inline-flex; align-items: center; gap: 6px;
    padding: 8px 12px; border-radius: var(--radius-md);
    color: var(--text-secondary); font-size: 14px; font-weight: 500;
    border: 1px solid var(--border-color); background: transparent;
    transition: all var(--transition-fast);
}
.lang-switch > summary::-webkit-details-marker { display: none; }
.lang-switch > summary:hover { color: var(--text-primary); border-color: var(--border-focus); background: var(--accent-glow-lg); }
.lang-switch > summary svg { width: 16px; height: 16px; }
.lang-switch > summary .caret { width: 12px; height: 12px; transition: transform .2s ease; opacity: .7; }
.lang-switch[open] > summary .caret { transform: rotate(180deg); }

.lang-menu {
    position: absolute; right: 0; top: calc(100% + 8px);
    min-width: 190px; max-height: 60vh; overflow-y: auto;
    background: var(--bg-primary); border: 1px solid var(--border-color);
    border-radius: var(--radius-md); box-shadow: var(--shadow-lg);
    padding: 6px; z-index: 200; display: flex; flex-direction: column; gap: 2px;
}
.lang-menu a {
    display: flex; align-items: center; justify-content: space-between; gap: 10px;
    padding: 9px 12px; border-radius: var(--radius-sm);
    color: var(--text-secondary); text-decoration: none; font-size: 14px;
    transition: all var(--transition-fast);
}
.lang-menu a:hover { background: var(--accent-glow-lg); color: var(--text-primary); }
.lang-menu a.is-current { color: var(--primary); font-weight: 600; }
.lang-menu a.is-current::after { content: "✓"; font-size: 12px; }

/* サジェストバナー */
.lang-suggest {
    position: fixed; left: 16px; right: 16px; bottom: 16px; z-index: 3000;
    max-width: 560px; margin: 0 auto;
    display: flex; align-items: center; gap: 12px; flex-wrap: wrap;
    background: var(--bg-tertiary); border: 1px solid var(--border-focus);
    border-radius: var(--radius-lg); padding: 14px 16px;
    box-shadow: var(--shadow-glow);
    transform: translateY(140%); transition: transform .35s ease;
}
.lang-suggest.show { transform: translateY(0); }
.lang-suggest .ls-icon { color: var(--primary); flex-shrink: 0; display: flex; }
.lang-suggest .ls-icon svg { width: 22px; height: 22px; }
.lang-suggest .ls-text { flex: 1; min-width: 160px; font-size: 14px; color: var(--text-primary); }
.lang-suggest .ls-actions { display: flex; gap: 8px; align-items: center; }
.lang-suggest .ls-go {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: #04130c; font-weight: 700; font-size: 14px;
    padding: 8px 16px; border-radius: var(--radius-md); text-decoration: none; white-space: nowrap;
}
.lang-suggest .ls-go:hover { box-shadow: 0 4px 16px var(--accent-glow); }
.lang-suggest .ls-close {
    background: transparent; border: none; color: var(--text-tertiary);
    cursor: pointer; font-size: 20px; line-height: 1; padding: 4px 8px;
}
.lang-suggest .ls-close:hover { color: var(--text-primary); }

@media (max-width: 480px) {
    .lang-switch > summary span.label { display: none; }
}