/**
 * Přepínač light/dark — landing chrome i app sidebar.
 * Ikony = SVG (emoji má asymetrické glyph metriky → vypadá mimo střed).
 */
.theme-toggle {
    display: inline-grid;
    place-items: center;
    place-content: center;
    width: 2.5rem;
    height: 2.5rem;
    padding: 0;
    margin: 0;
    box-sizing: border-box;
    border-radius: 999px;
    border: 1.5px solid rgba(15, 23, 42, 0.12);
    background: #fff;
    color: #0f172a;
    cursor: pointer;
    line-height: 0;
    flex-shrink: 0;
    font-family: inherit;
    appearance: none;
    -webkit-appearance: none;
    transition: background 0.16s ease, border-color 0.16s ease, transform 0.16s ease;
}

.theme-toggle:hover,
.theme-toggle:focus-visible {
    border-color: var(--color-accent-amber, #f59e0b);
    background: var(--color-accent-amber-soft, rgba(245, 158, 11, 0.18));
    outline: none;
    transform: translateY(-1px);
}

.theme-toggle .theme-toggle__moon,
.theme-toggle .theme-toggle__sun {
    display: none;
    width: 1.15rem;
    height: 1.15rem;
    margin: 0;
    padding: 0;
    flex-shrink: 0;
    overflow: visible;
}

.theme-toggle .theme-toggle__moon { display: block; }

html[data-theme="dark"] .theme-toggle .theme-toggle__moon { display: none; }
html[data-theme="dark"] .theme-toggle .theme-toggle__sun { display: block; }

@media (prefers-color-scheme: dark) {
    html:not([data-theme="light"]) .theme-toggle .theme-toggle__moon { display: none; }
    html:not([data-theme="light"]) .theme-toggle .theme-toggle__sun { display: block; }
}

/* V indigo sidebaru — světlý outline + volitelný text label */
.sidebar .theme-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 2.65rem;
    margin: 0.35rem 0 0.65rem;
    border-color: rgba(255, 255, 255, 0.28);
    background: rgba(255, 255, 255, 0.1);
    color: #fff;
    gap: 0.45rem;
    font-size: 0.92rem;
    font-weight: 700;
    font-family: inherit;
    line-height: 1;
}

.sidebar .theme-toggle:hover,
.sidebar .theme-toggle:focus-visible {
    background: rgba(245, 158, 11, 0.28);
    border-color: var(--color-accent-amber, #f59e0b);
    color: #fff;
}

.sidebar .theme-toggle-label {
    font-size: 0.88rem;
    font-weight: 700;
    line-height: 1;
}

/* Mobilní topbar (indigo) — kompaktní, bez textového labelu */
.mobile-topbar .theme-toggle--topbar,
.theme-toggle.theme-toggle--topbar {
    width: 2.45rem;
    height: 2.45rem;
    border-color: rgba(255, 255, 255, 0.28);
    background: rgba(255, 255, 255, 0.12);
    color: #fff;
}

.mobile-topbar .theme-toggle--topbar:hover,
.mobile-topbar .theme-toggle--topbar:focus-visible,
.theme-toggle.theme-toggle--topbar:hover,
.theme-toggle.theme-toggle--topbar:focus-visible {
    background: rgba(245, 158, 11, 0.28);
    border-color: var(--color-accent-amber, #f59e0b);
    color: #fff;
}

@media (prefers-reduced-motion: reduce) {
    .theme-toggle:hover,
    .theme-toggle:focus-visible {
        transform: none;
    }
}