.tool-tile {
    background: var(--surface);
    padding: 1.75rem;
    border-radius: 16px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
    /* very subtle initial shadow */
    border: 1px solid var(--border);
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
    position: relative;
    overflow: hidden;
}

.tool-tile[data-category="images"] {
    --accent: #4c82f7;
    --accent-glow: rgba(76, 130, 247, 0.35);
}

.tool-tile[data-category="video"] {
    --accent: #f97316;
    --accent-glow: rgba(249, 115, 22, 0.35);
}

.tool-tile[data-category="documents"] {
    --accent: #22c55e;
    --accent-glow: rgba(34, 197, 94, 0.35);
}

.tool-tile[data-category="developer"] {
    --accent: #f59e0b;
    --accent-glow: rgba(245, 158, 11, 0.35);
}

.tool-tile[data-category="text"] {
    --accent: #14b8a6;
    --accent-glow: rgba(20, 184, 166, 0.35);
}

.tool-tile[data-category="audio"] {
    --accent: #f43f5e;
    --accent-glow: rgba(244, 63, 94, 0.35);
}

.tool-tile:hover {
    transform: translateY(-6px);
    background: var(--surface-hover);
    border-color: rgba(255, 255, 255, 0.15);
    box-shadow: 0 12px 30px -10px rgba(0, 0, 0, 0.5),
        0 0 0 1px rgba(255, 255, 255, 0.05) inset;
    /* inner light */
}

/* Optional: Add a subtle glow on hover via pseudo-element */
.tool-tile::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 100%;
    background: radial-gradient(800px circle at var(--mouse-x) var(--mouse-y), rgba(255, 255, 255, 0.06), transparent 40%);
    opacity: 0;
    transition: opacity 0.5s;
    pointer-events: none;
    z-index: 1;
}

.tool-tile:hover::before {
    opacity: 1;
}

.tool-tile-icon {
    width: 42px;
    height: 42px;
    margin-bottom: 1.25rem;
    background-color: var(--accent);

    /* Enhance icon glow on hover */
    filter: drop-shadow(0 4px 12px var(--accent-glow));
    transition: filter 0.3s ease;

    -webkit-mask-size: contain;
    mask-size: contain;
    -webkit-mask-repeat: no-repeat;
    mask-repeat: no-repeat;
    -webkit-mask-position: center;
    mask-position: left;
    /* Align icon left if title is left? Usually tiles center. Let's keep center or check design. */
}

.tool-tile:hover .tool-tile-icon {
    filter: drop-shadow(0 0 15px var(--accent));
    transform: scale(1.05);
    /* Subtle scale up */
}

.tool-tile-title {
    font-size: 1.15rem;
    font-weight: 600;
    color: var(--text);
    transition: color 0.3s;
}

.tool-tile:hover .tool-tile-title {
    color: #fff;
    /* Ensure it stays bright white */
}

/* Tool Specific Components */
.upload-zone {
    border: 2px dashed var(--border);
    border-radius: 12px;
    padding: 3rem;
    text-align: center;
    background: rgba(255, 255, 255, 0.02);
    transition: all 0.3s;
    cursor: pointer;
    position: relative;
}

.upload-zone:hover,
.upload-zone.drag-over {
    border-color: var(--accent);
    background: rgba(76, 130, 247, 0.05);
}

.upload-zone input[type="file"] {
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    opacity: 0;
    cursor: pointer;
}

.btn-primary {
    background: var(--accent);
    color: white;
    border: none;
    padding: 1rem 2rem;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    box-shadow: 0 4px 15px var(--accent-glow);
    width: 100%;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px var(--accent-glow);
}

.btn-primary:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

.cookie-actions .btn-primary {
    width: auto;
    padding: 0.9rem 1.5rem;
}

.control-group {
    margin: 2rem 0;
}

/* Ads */
.ad-container {
    min-height: 80px;
    /* keeps layout stable */
    transition: opacity 0.2s ease;
}

.no-ads {
    display: none !important;
}

.ad-placeholder {
    color: #777;
    font-size: 0.8rem;
    text-align: center;
    padding: 1rem 0;
}

.ad-sidebar.ad-container {
    margin-top: 0;
    border-top: none;
    padding: 1.5rem;
}

.range-slider {
    width: 100%;
    margin-top: 1rem;
    -webkit-appearance: none;
    appearance: none;
    background: var(--border);
    height: 6px;
    border-radius: 3px;
    outline: none;
}

.range-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 20px;
    height: 20px;
    background: var(--accent);
    border-radius: 50%;
    cursor: pointer;
    box-shadow: 0 0 10px var(--accent-glow);
}

.result-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 1.5rem;
    margin-top: 2rem;
    display: none;
    /* hidden by default */
}

.result-card.show {
    display: block;
    animation: fadeIn 0.3s ease;
}

.result-img {
    max-width: 100%;
    border-radius: 8px;
    margin-bottom: 1rem;
    border: 1px solid var(--border);
}

/* Cookie consent */
.cookie-bar {
    position: fixed;
    left: 50%;
    bottom: 1rem;
    transform: translateX(-50%);
    width: min(1100px, calc(100% - 2rem));
    background: rgba(18, 21, 27, 0.9);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--border);
    box-shadow: var(--shadow);
    border-radius: 16px;
    padding: 1.25rem 1.5rem;
    display: none;
    gap: 1rem;
    align-items: center;
    z-index: 200;
}

.cookie-bar.show {
    display: grid;
    grid-template-columns: 1fr auto;
    align-items: center;
}

.cookie-copy {
    color: var(--text);
}

.cookie-title {
    margin: 0 0 0.35rem;
    font-weight: 700;
}

.cookie-text {
    margin: 0;
    color: var(--text-muted);
}

.cookie-actions {
    display: flex;
    gap: 0.75rem;
    align-items: center;
    flex-wrap: wrap;
    justify-content: flex-end;
}

.btn-ghost {
    padding: 0.8rem 1.4rem;
    border-radius: 10px;
    border: 1px solid var(--border);
    background: transparent;
    color: var(--text);
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
}

.btn-ghost:hover {
    background: var(--surface-hover);
    border-color: rgba(255, 255, 255, 0.2);
}

.nav-link.subtle {
    background: transparent;
    border-color: rgba(255, 255, 255, 0.12);
    color: var(--text-muted);
}

.nav-link.subtle:hover {
    color: #fff;
    border-color: rgba(255, 255, 255, 0.25);
}

@media (max-width: 768px) {
    .cookie-bar.show {
        grid-template-columns: 1fr;
    }

    .cookie-actions {
        justify-content: flex-start;
    }
}