/* Remove iOS/Android blue tap flash on interactive controls */
:where(a, button, summary, input, select, textarea, [role="button"], .badge) {
    -webkit-tap-highlight-color: transparent;
}

/* Keyboard focus system */
:where(a, button, summary, input, select, textarea, [role="button"], .badge):focus-visible {
    outline: 2px solid var(--liquid-glass-focus-ring);
    outline-offset: 2px;
}

/* Backdrop fallback for browsers/devices without backdrop-filter support */
@supports not ((-webkit-backdrop-filter: blur(1px)) or (backdrop-filter: blur(1px))) {
    :root {
        --liquid-glass-surface: rgba(19, 27, 38, 0.56);
        --liquid-glass-surface-soft: rgba(19, 27, 38, 0.5);
        --liquid-glass-surface-deep: rgba(13, 19, 28, 0.68);
        --surface-popup-bg: rgba(19, 27, 38, 0.62);
        --surface-popup-item-bg: rgba(148, 163, 184, 0.22);
        --surface-popup-item-bg-hover: rgba(59, 130, 246, 0.22);
    }

    body.theme-light {
        --liquid-glass-surface: rgba(255, 255, 255, 0.78);
        --liquid-glass-surface-soft: rgba(255, 255, 255, 0.72);
        --liquid-glass-surface-deep: rgba(248, 250, 252, 0.86);
        --surface-popup-bg: rgba(255, 255, 255, 0.84);
        --surface-popup-item-bg: rgba(226, 232, 240, 0.66);
        --surface-popup-item-bg-hover: rgba(191, 219, 254, 0.62);
    }
}

/* Mobile performance tuning: reduce saturation work on lower-power devices */
@media (max-width: 1024px) {
    :root {
        --liquid-glass-saturation: 132%;
    }
}

@media (max-width: 640px) {
    :root {
        --liquid-glass-saturation: 124%;
    }
}

body:not(.theme-light) .brand-logo {
    filter: brightness(0) invert(1);
}

body.theme-light .brand-logo {
    filter: none;
}

@media (max-width: 1024px) {
    .brand-logo {
        height: 24px;
    }
}

select {
    color-scheme: dark;
}

body.theme-light select {
    color-scheme: light;
}

/* Keep unloaded Leaflet tile gaps theme-matched instead of showing the vendor default gray/white surface. */
.leaflet-container {
    background-color: var(--map-surface-bg) !important;
}

select option,
select optgroup {
    background: var(--native-select-menu-bg);
    color: var(--native-select-menu-text);
}

select option:disabled,
select optgroup:disabled {
    color: var(--native-select-menu-muted);
}

/* Toasts are global feedback; keep them prominent enough to notice over map/player surfaces. */
.toast-host {
    top: calc(env(safe-area-inset-top, 0px) + var(--site-header-height) + 18px);
    right: 22px;
    gap: 14px;
    max-width: min(520px, calc(100% - 32px));
}

.toast {
    position: relative;
    gap: 16px;
    align-items: center;
    padding: 18px 20px;
    border-radius: 20px;
    border-color: color-mix(in srgb, var(--accent) 36%, var(--liquid-glass-edge));
    background:
        linear-gradient(135deg, color-mix(in srgb, var(--accent) 18%, transparent), transparent 58%),
        var(--liquid-glass-surface-deep);
    box-shadow:
        0 20px 45px rgba(0, 0, 0, 0.28),
        inset 0 1px 0 rgba(255, 255, 255, 0.12);
    transform: translateY(-10px) scale(0.98);
}

.toast::before {
    content: '';
    width: 10px;
    align-self: stretch;
    border-radius: 999px;
    background: var(--accent);
    box-shadow: 0 0 18px color-mix(in srgb, var(--accent) 58%, transparent);
}

.toast.is-visible {
    transform: translateY(0) scale(1);
}

.toast-title {
    font-size: 13px;
    letter-spacing: 0.12em;
    color: color-mix(in srgb, var(--text) 76%, var(--muted));
}

.toast-message {
    font-size: 16px;
    line-height: 1.45;
    font-weight: 650;
}

.toast-danger {
    border-color: color-mix(in srgb, var(--danger) 58%, var(--liquid-glass-edge));
    background:
        linear-gradient(135deg, color-mix(in srgb, var(--danger) 28%, transparent), transparent 60%),
        var(--liquid-glass-surface-deep);
}

.toast-danger::before {
    background: var(--danger);
    box-shadow: 0 0 18px color-mix(in srgb, var(--danger) 62%, transparent);
}

.toast-warning {
    border-color: color-mix(in srgb, var(--accent-2) 58%, var(--liquid-glass-edge));
    background:
        linear-gradient(135deg, color-mix(in srgb, var(--accent-2) 28%, transparent), transparent 60%),
        var(--liquid-glass-surface-deep);
}

.toast-warning::before {
    background: var(--accent-2);
    box-shadow: 0 0 18px color-mix(in srgb, var(--accent-2) 62%, transparent);
}

.toast-close {
    width: 34px;
    height: 34px;
    border-radius: 999px;
    background: color-mix(in srgb, var(--text) 8%, transparent);
    font-size: 22px;
}

@media (max-width: 640px) {
    .toast-host {
        top: auto;
        right: 12px;
        bottom: calc(env(safe-area-inset-bottom, 0px) + var(--site-overlay-gap) + 16px);
        max-width: calc(100% - 24px);
    }

    .toast {
        padding: 16px;
    }

    .toast-message {
        font-size: 15px;
    }
}