/* Explain: App-specific layout utilities and Mars-themed background effects. */
.mars-app-bg {
    background-color: var(--background-color);
    background-image:
        radial-gradient(ellipse 90% 55% at 50% 115%, color-mix(in srgb, var(--primary-color) 22%, transparent), transparent 58%),
        radial-gradient(ellipse 45% 35% at 85% -10%, color-mix(in srgb, var(--accent-color) 18%, transparent), transparent 50%),
        radial-gradient(circle at 12% 18%, color-mix(in srgb, var(--text-color) 12%, transparent) 0 1px, transparent 2px);
    background-size: 100% 100%, 100% 100%, 140px 140px;
}

.chat-hud-grid {
    background-image:
        linear-gradient(color-mix(in srgb, var(--primary-color) 8%, transparent) 1px, transparent 1px),
        linear-gradient(90deg, color-mix(in srgb, var(--primary-color) 8%, transparent) 1px, transparent 1px);
    background-size: 56px 56px;
}

.no-scrollbar::-webkit-scrollbar {
    display: none;
}

.no-scrollbar {
    -ms-overflow-style: none;
    scrollbar-width: none;
}

.mention-chip {
    color: var(--primary-color);
    font-weight: 650;
    background: color-mix(in srgb, var(--primary-color) 16%, transparent);
    padding: 0.05em 0.4em;
    border-radius: 0.35rem;
    border: 1px solid color-mix(in srgb, var(--primary-color) 35%, transparent);
}

.mention-me {
    color: #fff;
    font-weight: 700;
    background: var(--primary-color);
    padding: 0.05em 0.45em;
    border-radius: 0.35rem;
    box-shadow: 0 0 12px color-mix(in srgb, var(--primary-color) 55%, transparent);
}