/* ===== Gizmo Grid Layout ===== */
.gizmo-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.25rem;
    padding: 1rem 0;
}

/* ===== Gizmo Card ===== */
.gizmo-card {
    height: 380px;
    display: flex;
    flex-direction: column;
    background: var(--bg-card);
    backdrop-filter: var(--card-bg-blur, blur(12px));
    -webkit-backdrop-filter: var(--card-bg-blur, blur(12px));
    border-radius: 16px;
    overflow: hidden;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow);
    transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1),
                box-shadow 0.3s ease,
                border-color 0.3s ease;
    position: relative;
}

.gizmo-card:hover {
    transform: scale(1.02);
    box-shadow: var(--shadow), 0 0 20px var(--glow-color, rgba(59, 130, 246, 0.2));
    border-color: var(--accent-primary);
}

/* ===== Card Header ===== */
.gizmo-card__header {
    background: var(--card-header-bg);
    flex-shrink: 0;
    position: relative;
    overflow: hidden;
}

/* Shimmer effect on header hover */
.gizmo-card__header::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
    transition: left 0.5s ease;
    pointer-events: none;
}

.gizmo-card:hover .gizmo-card__header::after {
    left: 100%;
}

.gizmo-card__header a {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    padding: 0.75rem 1rem;
    color: var(--card-header-text);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.95rem;
    font-family: 'Inter', system-ui, sans-serif;
    position: relative;
    z-index: 1;
    background: none;
}

.gizmo-card__header a:hover {
    background: none;
}

.gizmo-card__icon {
    font-size: 1.2rem;
    flex-shrink: 0;
    filter: drop-shadow(0 0 4px rgba(255, 255, 255, 0.3));
}

.gizmo-card__title {
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* ===== Card Body ===== */
.gizmo-card__body {
    flex: 1;
    overflow-y: auto;
    padding: 1rem;
    color: var(--text-primary);
    min-height: 0;
}

/* Themed scrollbar inside card body */
.gizmo-card__body::-webkit-scrollbar {
    width: 4px;
}

.gizmo-card__body::-webkit-scrollbar-track {
    background: transparent;
}

.gizmo-card__body::-webkit-scrollbar-thumb {
    background: var(--accent-primary);
    border-radius: 2px;
    opacity: 0.4;
}

.gizmo-placeholder {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100%;
    color: var(--text-secondary);
    font-style: italic;
    opacity: 0.7;
}

/* ===== Drag Handle ===== */
.gizmo-card__drag-handle {
    position: absolute;
    top: 0;
    right: 0;
    padding: 0.75rem 0.75rem;
    color: rgba(255, 255, 255, 0.4);
    cursor: grab;
    font-size: 1rem;
    letter-spacing: 2px;
    opacity: 0;
    transition: opacity 0.2s ease;
    z-index: 2;
    user-select: none;
    -webkit-user-select: none;
}

.gizmo-card:hover .gizmo-card__drag-handle {
    opacity: 1;
}

.gizmo-card__drag-handle:hover {
    color: rgba(255, 255, 255, 0.7);
}

.gizmo-card__drag-handle:active {
    cursor: grabbing;
}

/* ===== Responsive Grid ===== */

/* Tablet: 2 columns */
@media (min-width: 576px) {
    .gizmo-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Desktop: 3 columns */
@media (min-width: 992px) {
    .gizmo-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* Large: 4 columns */
@media (min-width: 1200px) {
    .gizmo-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}