:root {
    --druyn-accent: var(--theme-bg-highlight);
}

.custom-background {
    background-color: var(--theme-bg-surface);
}

.brand-text {
    font-weight: 600;
    font-size: 1.1rem;
}

.brand-tagline {
    font-size: 0.8rem;
    opacity: 0.7;
    margin-left: 8px;
}

.header-image {
    background-image: url("/images/hero.svg");
    background-size: cover;
    background-position: center;
}

.surface {
    background-color: var(--theme-bg-elevated);
    border: 1px solid var(--theme-line-subtle);
    border-radius: 12px;
    padding: 2rem;
    height: 100%;
    box-shadow: 0 4px 20px var(--theme-bg-current);
    transition:
        border-color 0.2s ease,
        box-shadow 0.2s ease,
        transform 0.2s ease;
}

.surface-highlight {
    border: 2px solid var(--theme-bg-highlight);
    background-color: var(--theme-bg-current);
}

.surface-active {
    border: 2px solid var(--bulma-success);
    background-color: var(--bulma-success-soft);
    transform: translateY(-1px);
}

.horizontal-line {
    margin: 1.5rem auto;
    background-color: var(--theme-header-primary);
}

.footer {
    background-color: var(--theme-line-strong);
}

/* Mobile: remove Bulma's large line under the tabs */
@media screen and (max-width: 768px) {
    .tabs ul {
        border-bottom: none !important;
    }
    .tabs {
        border-bottom: 1px solid var(--bulma-border) !important;
    }
}