/*
 * theme-toggle.css - Botón flotante de modo claro/oscuro
 * AAA: target size 48x48 (2.5.8), focus-visible, aria-switch.
 */

.theme-toggle {
    position: fixed;
    top: 14px;
    right: 16px;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--card-bg);
    border: 1.5px solid var(--border-strong);
    color: var(--text);
    cursor: pointer;
    z-index: 150;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-sm);
    transition: background 0.2s ease, border-color 0.2s ease, transform 0.15s ease, box-shadow 0.2s ease;
    padding: 0;
    font-family: inherit;
}
.theme-toggle:hover {
    border-color: var(--primary);
    box-shadow: var(--shadow-md);
    transform: translateY(-1px);
}
.theme-toggle:active { transform: translateY(0); }

.theme-toggle svg {
    width: 22px;
    height: 22px;
    stroke: currentColor;
    fill: none;
    stroke-width: 2;
    stroke-linecap: round;
    stroke-linejoin: round;
    pointer-events: none;
}
.theme-toggle .icon-sun  { display: none; }
.theme-toggle .icon-moon { display: block; }
[data-theme="dark"] .theme-toggle .icon-sun  { display: block; }
[data-theme="dark"] .theme-toggle .icon-moon { display: none; }

/* En admin, el botón va dentro de la navbar — versión inline */
.theme-toggle.inline {
    position: static;
    width: 44px;
    height: 44px;
}

/* Respeta preferencia de reducción de movimiento */
@media (prefers-reduced-motion: reduce) {
    .theme-toggle, .theme-toggle:hover, .theme-toggle:active {
        transition: none;
        transform: none;
    }
}

/* En móviles muy pequeños, reducir offset */
@media (max-width: 400px) {
    .theme-toggle:not(.inline) {
        top: 10px;
        right: 10px;
    }
}

/* ── Selector de idioma extensible (dropdown con banderas PNG) ── */
.lang-selector {
    position: fixed;
    top: 14px;
    right: 72px; /* a la izquierda del theme-toggle */
    z-index: 150;
}

.lang-toggle {
    background: var(--card-bg);
    border: 1.5px solid var(--border-strong);
    border-radius: 50%;
    padding: 0;
    width: 48px;
    height: 48px;
    cursor: pointer;
    box-shadow: var(--shadow-sm);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.15s, box-shadow 0.2s, border-color 0.2s;
    font-family: inherit;
}
.lang-toggle:hover,
.lang-toggle[aria-expanded="true"] {
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
    border-color: var(--primary);
}
.lang-toggle:active { transform: translateY(0); }
.lang-toggle:focus-visible {
    outline: 2px solid var(--primary);
    outline-offset: 2px;
}

.lang-flag {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    object-fit: cover;
    pointer-events: none;
    display: block;
}

/* Dropdown */
.lang-dropdown {
    display: none;
    position: absolute;
    top: calc(100% + 6px);
    right: 0;
    background: var(--card-bg);
    border: 1.5px solid var(--border-strong);
    border-radius: 10px;
    box-shadow: var(--shadow-md);
    list-style: none;
    margin: 0;
    padding: 4px 0;
    min-width: 140px;
    z-index: 200;
}
.lang-selector.open .lang-dropdown {
    display: block;
}

.lang-option {
    display: flex;
    align-items: center;
    gap: 9px;
    padding: 8px 14px;
    cursor: pointer;
    font-size: 0.9rem;
    color: var(--text);
    white-space: nowrap;
    transition: background 0.15s;
    outline: none;
}
.lang-option:hover,
.lang-option:focus {
    background: rgba(0,0,0,0.06);
}
[data-theme="dark"] .lang-option:hover,
[data-theme="dark"] .lang-option:focus {
    background: rgba(255,255,255,0.08);
}
.lang-option--active {
    font-weight: 600;
    color: var(--primary);
}

.lang-flag-sm {
    width: 22px;
    height: 22px;
    border-radius: 50%;
    object-fit: cover;
    flex-shrink: 0;
}

@media (max-width: 400px) {
    .lang-selector { top: 10px; right: 66px; }
}

@media (prefers-reduced-motion: reduce) {
    .lang-toggle, .lang-toggle:hover, .lang-toggle:active {
        transition: none;
        transform: none;
    }
}