/* ==========================================================================
   UniScript Tools - Additional Styles
   ========================================================================== */

/* Tools Hero */
.tools-hero {
    padding: var(--space-3xl) 0;
    background: linear-gradient(135deg, var(--color-gray-800) 0%, var(--color-gray-900) 100%);
    color: white;
    text-align: center;
}

.tools-hero h1 {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: var(--space-md);
}

.tools-hero p {
    font-size: 1.125rem;
    color: var(--color-gray-300);
    max-width: 600px;
    margin: 0 auto;
}

/* Filter Bar */
.tools-filter {
    background-color: white;
    padding: var(--space-lg) 0;
    border-bottom: 1px solid var(--color-gray-200);
    position: sticky;
    top: 60px;
    z-index: 100;
}

.filter-bar {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.search-box {
    position: relative;
    max-width: 400px;
    margin: 0 auto;
}

.search-box input {
    width: 100%;
    padding: var(--space-md) var(--space-lg);
    padding-left: 2.5rem;
    font-size: 1rem;
    border: 2px solid var(--color-gray-200);
    border-radius: var(--radius-full);
    background-color: var(--color-gray-50);
    transition: all var(--transition-fast);
}

.search-box input:focus {
    outline: none;
    border-color: var(--color-primary);
    background-color: white;
    box-shadow: 0 0 0 4px var(--color-primary-subtle);
}

.search-icon {
    position: absolute;
    left: var(--space-md);
    top: 50%;
    transform: translateY(-50%);
    font-size: 1rem;
    opacity: 0.5;
}

.filter-buttons {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--space-sm);
}

.filter-btn {
    padding: var(--space-sm) var(--space-md);
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-gray-600);
    background-color: transparent;
    border: 1px solid var(--color-gray-300);
    border-radius: var(--radius-full);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.filter-btn:hover {
    background-color: var(--color-gray-100);
    border-color: var(--color-gray-400);
}

.filter-btn.active {
    background-color: var(--color-primary);
    color: white;
    border-color: var(--color-primary);
}

/* Tools Grid */
.tools-section {
    padding: var(--space-3xl) 0;
}

.tools-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: var(--space-lg);
}

.tool-item {
    background-color: white;
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    transition: all var(--transition-normal);
}

.tool-item:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--color-primary-light);
}

.tool-item.hidden {
    display: none;
}

.tool-header {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    margin-bottom: var(--space-md);
}

.tool-icon {
    font-size: 2rem;
}

.tool-name {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--color-gray-900);
}

.tool-description {
    color: var(--color-gray-600);
    font-size: 0.9375rem;
    margin-bottom: var(--space-lg);
    line-height: 1.6;
}

.tool-actions {
    display: flex;
    gap: var(--space-md);
}

.tool-actions .btn {
    flex: 1;
}

/* Legacy Section */
.legacy-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--space-lg);
}

.legacy-item {
    display: flex;
    align-items: flex-start;
    gap: var(--space-lg);
    padding: var(--space-lg);
    background-color: var(--color-gray-50);
    border: 1px dashed var(--color-gray-300);
    border-radius: var(--radius-lg);
}

.legacy-icon {
    font-size: 2.5rem;
    flex-shrink: 0;
}

.legacy-content h3 {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--color-gray-900);
    margin-bottom: var(--space-xs);
}

.legacy-content p {
    color: var(--color-gray-600);
    font-size: 0.9375rem;
    margin-bottom: var(--space-md);
}

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

@media (max-width: 640px) {
    .tools-hero {
        padding: var(--space-2xl) 0;
    }

    .tools-hero h1 {
        font-size: 2rem;
    }

    .tools-hero p {
        font-size: 1rem;
    }

    .tools-filter {
        top: 56px;
    }

    .filter-buttons {
        gap: var(--space-xs);
    }

    .filter-btn {
        padding: var(--space-xs) var(--space-sm);
        font-size: 0.8125rem;
    }

    .tools-grid {
        grid-template-columns: 1fr;
    }

    .tool-item {
        padding: var(--space-md);
    }
}

@media (min-width: 768px) {
    .filter-bar {
        flex-direction: row;
        justify-content: space-between;
        align-items: center;
    }

    .search-box {
        margin: 0;
    }
}

/* Animation for filtering */
.tool-item.animate-in {
    animation: fadeInUp 0.4s ease forwards;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* No results message */
.no-results {
    grid-column: 1 / -1;
    text-align: center;
    padding: var(--space-2xl);
    color: var(--color-gray-500);
}

.no-results-icon {
    font-size: 3rem;
    margin-bottom: var(--space-md);
}

.no-results h3 {
    font-size: 1.25rem;
    color: var(--color-gray-700);
    margin-bottom: var(--space-sm);
}