.app-header-card,
.hero-card,
.section-card,
.app-card,
.explorer-item,
.media-item,
.viewer-card,
.empty-state,
.form-card,
.calculator-card,
.chat-card,
.widget-card,
.home-hero-widget {
    background: rgba(17, 25, 47, 0.94);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
}

.app-header-card,
.hero-card,
.section-card,
.viewer-card,
.empty-state,
.form-card,
.calculator-card,
.chat-card,
.home-hero-widget {
    padding: var(--space-4);
}

.section-heading {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    margin-bottom: 14px;
}

.section-heading h2 {
    margin: 4px 0 0;
    font-size: 1.15rem;
    color: #ffffff;
}

.eyebrow {
    margin: 0;
    color: var(--text-soft);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.hero-card p,
.section-card p,
.empty-state p,
.viewer-card p,
.form-help,
.file-meta,
.path-label,
.path-value,
.viewer-label,
.home-hero-widget p,
.widget-card small {
    color: var(--text-soft);
}

.empty-state {
    text-align: center;
}

.empty-state i {
    font-size: 2rem;
    color: var(--accent);
    margin-bottom: 12px;
}