/* =============================================================
   ZeonTools — Shared Utility CSS
   Merged from: append.css + mobile-grid-fix.css
   ============================================================= */

/* ── SEO Article / Feature Classes ── */
.seo-feature-box {
    background: var(--bg-deep);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    padding: 24px;
    transition: transform 0.2s ease;
}
.seo-feature-box:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}
.seo-feature-title {
    font-size: 1.15rem;
    font-weight: 800;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 10px;
}
.seo-grid-2 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 280px), 1fr));
    gap: 24px;
}
.seo-premium-card {
    background: rgba(167, 139, 250, 0.03);
    border: 1px solid rgba(167, 139, 250, 0.2);
    border-radius: var(--radius-lg);
    padding: 32px;
    box-shadow: inset 0 0 40px rgba(167, 139, 250, 0.05);
}

/* ── Responsive Input Grids (Mobile-First) ── */
.responsive-input-row {
    display: grid;
    grid-template-columns: 1fr;
    gap: 12px;
    margin-bottom: 20px;
}
@media (min-width: 640px) {
    .responsive-input-row {
        grid-template-columns: 1fr 1fr;
    }
}
.responsive-input-row-3 {
    display: grid;
    grid-template-columns: 1fr;
    gap: 12px;
    margin-bottom: 20px;
}
@media (min-width: 640px) {
    .responsive-input-row-3 {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* ── Mobile Layout Fixes ── */
@media (max-width: 1023px) {
    .calc-controls {
        position: relative !important;
        top: auto !important;
        z-index: 1 !important;
    }
}