/* Color Picker Tool - W3Schools Style */
/* Uses same theme as index.php */

/* Prevent horizontal scroll on mobile */
html, body {
    overflow-x: hidden;
    max-width: 100vw;
}

/* Override content spacing for color picker tool */
.content {
    margin-top: 0 !important;
    padding-top: 0 !important;
    max-width: 100%;
    overflow-x: hidden;
}

.tool-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px 40px 24px;
    padding-left: 24px;
    padding-right: 24px;
}

.tool-container h1 {
    font-size: 32px;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 30px;
}

.color-picker-wrapper {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 20px;
}

.color-picker-section {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 24px;
    padding-left: 24px;
    padding-right: 24px;
    box-shadow: var(--shadow-sm);
}

/* Image upload section - auto height based on content only */
.image-upload-section-wrapper {
    height: fit-content !important;
    min-height: auto !important;
    align-self: start;
}

.color-picker-section h3 {
    font-size: 16px;
    font-weight: 600;
    color: var(--text);
    margin-bottom: 16px;
}

.color-picker-section h4 {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-muted);
    margin-bottom: 12px;
}

/* Color Wheel */
.color-wheel-container {
    position: relative;
    width: 300px;
    height: 300px;
    margin: 0 auto;
    cursor: crosshair;
    display: flex;
    align-items: center;
    justify-content: center;
}

#colorWheel {
    width: 300px;
    height: 300px;
    border-radius: 50%;
    box-shadow: var(--shadow);
    display: block;
}

.color-wheel-marker {
    position: absolute;
    width: 20px;
    height: 20px;
    border: 3px solid white;
    border-radius: 50%;
    box-shadow: 0 0 0 2px var(--brand), 0 2px 8px rgba(0,0,0,0.3);
    transform: translate(-50%, -50%);
    pointer-events: none;
    z-index: 10;
}

.lightness-slider-group {
    margin-top: 20px;
    width: 100%;
}

/* Guide Icon Button */
.guide-icon-btn {
    width: 20px;
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: none;
    background: transparent;
    color: var(--text-muted);
    cursor: pointer;
    padding: 0;
    border-radius: 50%;
    transition: var(--transition-fast);
    flex-shrink: 0;
}

.guide-icon-btn:hover {
    color: var(--brand);
    background: var(--bg-muted);
}

.guide-icon-btn svg {
    width: 16px;
    height: 16px;
}

/* Guide Tooltip */
.lightness-slider-group > div,
.opacity-slider-group > div,
.color-value-item > div:first-child {
    position: relative;
}

.guide-tooltip {
    position: absolute;
    top: 100%;
    left: 0;
    margin-top: 8px;
    z-index: 1000;
    min-width: 280px;
    max-width: 320px;
}

.guide-tooltip-content {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 16px;
    box-shadow: var(--shadow-lg);
    font-size: 13px;
    line-height: 1.6;
    color: var(--text);
}

.guide-tooltip-content p {
    margin: 0 0 12px 0;
}

.guide-tooltip-content p:last-child {
    margin-bottom: 0;
}

.guide-tooltip-content strong {
    color: var(--brand);
    font-weight: 600;
}

/* RGB Sliders */
.rgb-controls {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.rgb-slider-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.rgb-slider-group label {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
}

.slider-container {
    display: flex;
    align-items: center;
    gap: 12px;
}

.color-slider {
    flex: 1;
    height: 8px;
    border-radius: 4px;
    background: var(--bg-muted);
    outline: none;
    -webkit-appearance: none;
    appearance: none;
}

.color-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--brand);
    cursor: pointer;
    box-shadow: var(--shadow-sm);
    transition: var(--transition-fast);
}

.color-slider::-webkit-slider-thumb:hover {
    transform: scale(1.1);
    box-shadow: var(--shadow);
}

.color-slider::-moz-range-thumb {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--brand);
    cursor: pointer;
    border: none;
    box-shadow: var(--shadow-sm);
    transition: var(--transition-fast);
}

.color-slider::-moz-range-thumb:hover {
    transform: scale(1.1);
    box-shadow: var(--shadow);
}

.color-input {
    width: 70px;
    padding: 8px 12px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    font-size: 14px;
    font-weight: 600;
    text-align: center;
    background: var(--bg-card);
    color: var(--text);
    transition: var(--transition-fast);
}

.color-input:focus {
    outline: none;
    border-color: var(--brand);
    box-shadow: 0 0 0 3px rgba(9, 135, 245, 0.1);
}

/* HEX Input */
.hex-input-group {
    display: flex;
    gap: 12px;
    align-items: center;
    width: 100%;
    box-sizing: border-box;
}

.hex-input {
    flex: 1;
    min-width: 0;
    padding: 12px 16px;
    border: 2px solid var(--border);
    border-radius: var(--radius);
    font-size: 16px;
    font-weight: 600;
    font-family: 'Courier New', monospace;
    text-transform: uppercase;
    background: var(--bg-card);
    color: var(--text);
    transition: var(--transition-fast);
    box-sizing: border-box;
}

.hex-input:focus {
    outline: none;
    border-color: var(--brand);
    box-shadow: 0 0 0 3px rgba(9, 135, 245, 0.1);
}

.btn-copy-hex {
    flex-shrink: 0;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 2px solid var(--border);
    border-radius: var(--radius);
    background: var(--bg-card);
    color: var(--text-muted);
    cursor: pointer;
    transition: var(--transition-fast);
    box-sizing: border-box;
    padding: 0;
}

.btn-copy-hex:hover {
    background: var(--bg-muted);
    border-color: var(--brand);
    color: var(--brand);
    transform: translateY(-1px);
}

.btn-copy-hex:active {
    transform: translateY(0);
}

.btn-copy-hex svg {
    width: 18px;
    height: 18px;
}

.btn-validate {
    flex-shrink: 0;
    padding: 12px 24px;
    border: none;
    border-radius: var(--radius);
    background: var(--brand);
    color: white;
    font-weight: 600;
    font-size: 14px;
    cursor: pointer;
    transition: var(--transition-fast);
    box-shadow: var(--shadow-sm);
    white-space: nowrap;
    box-sizing: border-box;
}

.btn-validate:hover {
    background: var(--brand-2);
    transform: translateY(-1px);
    box-shadow: var(--shadow);
}

/* Reset Opacity Button */
.btn-reset-opacity {
    padding: 4px 10px;
    border: 1px solid var(--border);
    border-radius: 6px;
    background: var(--bg-card);
    color: var(--text-muted);
    font-size: 11px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-fast);
    font-family: inherit;
}

.btn-reset-opacity:hover {
    background: var(--bg-muted);
    border-color: var(--brand);
    color: var(--brand);
    transform: translateY(-1px);
}

.btn-reset-opacity:active {
    transform: translateY(0);
}

.error-message {
    margin-top: 8px;
    padding: 8px 12px;
    background: #fee;
    color: #c33;
    border-radius: var(--radius);
    font-size: 13px;
    border: 1px solid #fcc;
}

/* Color Preview */
.color-preview-large {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.preview-section {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.preview-label {
    font-size: 13px;
    font-weight: 600;
    color: var(--text-muted);
}

.color-preview-box-solid {
    width: 100%;
    height: 120px;
    border-radius: var(--radius);
    border: 2px solid var(--border);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    background-color: #ffffff;
}

.color-preview-box {
    width: 100%;
    height: 120px;
    border-radius: var(--radius);
    border: 2px solid var(--border);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    background-image: 
        linear-gradient(45deg, #f0f0f0 25%, transparent 25%),
        linear-gradient(-45deg, #f0f0f0 25%, transparent 25%),
        linear-gradient(45deg, transparent 75%, #f0f0f0 75%),
        linear-gradient(-45deg, transparent 75%, #f0f0f0 75%);
    background-size: 20px 20px;
    background-position: 0 0, 0 10px, 10px -10px, -10px 0px;
}

.color-preview-text {
    display: flex;
    gap: 16px;
}

.text-option {
    flex: 1;
    padding: 16px;
    border-radius: var(--radius);
    border: 1px solid var(--border);
    text-align: center;
    position: relative;
    overflow: hidden;
    min-height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-fast);
}

.text-option span {
    position: relative;
    z-index: 2;
    font-weight: 600;
    font-size: 14px;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.3);
}

#blackText span {
    color: #000;
}

#whiteText span {
    color: #fff;
}

.text-shadow {
    display: none; /* Hide shadow overlay so background color is visible */
}

/* Color Values */
.color-values {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.color-value-item {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.color-value-item label {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-muted);
}

.value-display {
    display: flex;
    flex-direction: column;
    gap: 8px;
    padding: 16px;
    background: var(--bg-muted);
    border-radius: var(--radius);
    border: 1px solid var(--border);
}

.value-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
}

.value-row span {
    font-size: 13px;
    font-weight: 600;
    color: var(--text-muted);
    min-width: 80px;
}

.value-input {
    flex: 1;
    padding: 8px 12px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    font-size: 14px;
    font-weight: 600;
    text-align: center;
    background: var(--bg-card);
    color: var(--text);
    font-family: 'Courier New', monospace;
}

.value-input-hex {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    font-size: 16px;
    font-weight: 600;
    text-align: center;
    background: var(--bg-card);
    color: var(--text);
    font-family: 'Courier New', monospace;
    text-transform: uppercase;
}

.copy-button-group {
    display: flex;
    gap: 8px;
}

.btn-copy {
    flex: 1;
    padding: 10px 16px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: var(--bg-card);
    color: var(--text);
    font-weight: 600;
    font-size: 13px;
    cursor: pointer;
    transition: var(--transition-fast);
}

.btn-copy:hover {
    background: var(--brand);
    color: white;
    border-color: var(--brand);
    transform: translateY(-1px);
}

.btn-copy:active {
    transform: translateY(0);
}

.btn-copy.copied {
    background: var(--success);
    color: white;
    border-color: var(--success);
}

/* Image Upload Section */
.image-upload-section {
    display: flex;
    flex-direction: column;
    gap: 16px;
    width: 100%;
    position: relative;
}

.drop-zone-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 12px;
    padding: 40px 20px;
    border: 2px dashed var(--border);
    border-radius: var(--radius);
    background: var(--bg-muted);
    transition: var(--transition-fast);
    min-height: 200px;
}

.drop-zone-content .drop-zone-icon {
    color: var(--brand);
    opacity: 0.7;
}

.drop-zone-text {
    font-size: 16px;
    font-weight: 600;
    color: var(--text);
    margin: 0;
}

.drop-zone-or {
    font-size: 14px;
    color: var(--text-muted);
    margin: 0;
}

.image-upload-section.drag-over .drop-zone-content {
    border-color: var(--brand);
    background: var(--brand-light);
    border-width: 3px;
    transform: scale(1.02);
}

.image-upload-section.drag-over .drop-zone-icon {
    opacity: 1;
    transform: scale(1.1);
}

.image-upload-section.drag-over .drop-zone-text {
    color: var(--brand);
}

/* Remove empty gaps when content is hidden */
#uploadedImagePreview[style*="display: none"] {
    display: none !important;
    margin: 0 !important;
    padding: 0 !important;
    height: 0 !important;
}

#imageColorCodes[style*="display: none"] {
    display: none !important;
    margin: 0 !important;
    padding: 0 !important;
    height: 0 !important;
}

.btn-upload-image {
    padding: 12px 32px;
    border: 2px solid var(--brand);
    border-radius: var(--radius);
    background: var(--brand);
    color: white;
    font-weight: 600;
    font-size: 14px;
    cursor: pointer;
    transition: var(--transition-fast);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-family: inherit;
}

.btn-upload-image:hover {
    background: var(--brand-2);
    border-color: var(--brand-2);
    transform: translateY(-1px);
    box-shadow: var(--shadow);
}

.btn-upload-image svg {
    width: 20px;
    height: 20px;
}

/* Image URL Input */
.image-url-input-group {
    display: flex;
    gap: 8px;
    align-items: center;
    width: 100%;
    max-width: 500px;
    margin: 0 auto;
}

.image-url-input {
    flex: 1;
    padding: 10px 14px;
    border: 2px solid var(--border);
    border-radius: var(--radius);
    font-size: 14px;
    background: var(--bg-card);
    color: var(--text);
    transition: var(--transition-fast);
    font-family: inherit;
}

.image-url-input:focus {
    outline: none;
    border-color: var(--brand);
    box-shadow: 0 0 0 3px rgba(9, 135, 245, 0.1);
}

.btn-load-url {
    padding: 10px 20px;
    border: none;
    border-radius: var(--radius);
    background: #000000;
    color: white;
    font-weight: 600;
    font-size: 14px;
    cursor: pointer;
    transition: var(--transition-fast);
    white-space: nowrap;
    font-family: inherit;
}

.btn-load-url:hover {
    background: #333333;
    transform: translateY(-1px);
    box-shadow: var(--shadow);
}

.btn-load-url:active {
    transform: translateY(0);
    background: #000000;
}

.upload-disclaimer {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    padding: 12px 16px;
    background: var(--bg-muted);
    border-radius: var(--radius);
    border: 1px solid var(--border);
    font-size: 12px;
    color: var(--text-muted);
    line-height: 1.5;
}

.upload-disclaimer svg {
    width: 16px;
    height: 16px;
    color: var(--success);
    flex-shrink: 0;
    margin-top: 2px;
}

.upload-disclaimer span {
    flex: 1;
}

.btn-remove-image {
    padding: 8px 16px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: var(--bg-card);
    color: var(--text);
    font-weight: 600;
    font-size: 13px;
    cursor: pointer;
    transition: var(--transition-fast);
    font-family: inherit;
}

.btn-remove-image:hover {
    background: var(--bg-muted);
    border-color: var(--text-light);
}

/* Image Picker Cursor */
.uploaded-image-wrapper {
    position: relative;
}

.image-picker-cursor {
    position: absolute;
    width: 20px;
    height: 20px;
    border: 2px solid white;
    border-radius: 50%;
    box-shadow: 0 0 0 2px var(--brand);
    pointer-events: none;
    transform: translate(-50%, -50%);
    z-index: 10;
}

/* Small Copy Button */
.btn-copy-small {
    padding: 6px;
    background: transparent;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
    transition: var(--transition-fast);
    flex-shrink: 0;
}

.btn-copy-small:hover {
    background: var(--brand);
    border-color: var(--brand);
    color: white;
    transform: scale(1.1);
}

.btn-copy-small.copied {
    background: var(--success);
    border-color: var(--success);
    color: white;
}

.btn-copy-small svg {
    width: 16px;
    height: 16px;
}

/* Color Palette Grid - 1/3 width */
.color-palette-section {
    /* Normal width - takes 1 column in grid (1/3 of 3-column grid) */
    height: fit-content;
    padding-bottom: 24px;
}

.color-palette-grid {
    display: grid;
    grid-template-columns: repeat(15, 1fr);
    gap: 3px;
    padding: 0;
    background: transparent;
    border: none;
    min-height: auto;
    max-height: none;
    overflow: visible;
    position: relative;
}

.color-swatch {
    aspect-ratio: 1;
    cursor: pointer;
    border-radius: 0;
    transition: transform 0.15s ease, box-shadow 0.15s ease;
    border: none;
    position: relative;
    min-height: 12px;
    will-change: transform;
}

.color-swatch:hover {
    transform: scale(1.3);
    z-index: 100;
    box-shadow: 0 0 0 2px white, 0 0 0 4px var(--brand);
    position: relative;
}

.color-swatch:active {
    transform: scale(1.2);
}

/* Content Section (After Tools) - Professional & SEO Friendly */
.content-section {
    margin-top: 80px;
    padding-top: 60px;
    border-top: 1px solid var(--border);
    background: var(--bg);
    position: relative;
}

/* Scroll to Top Button */
.scroll-to-top-btn {
    position: fixed !important;
    bottom: 30px !important;
    right: 30px !important;
    width: 50px !important;
    height: 50px !important;
    background: #0987f5 !important;
    color: white !important;
    border: none !important;
    border-radius: 50% !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    cursor: pointer !important;
    z-index: 99999 !important;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15) !important;
    transition: opacity 0.3s ease, visibility 0.3s ease, transform 0.2s ease !important;
    opacity: 0 !important;
    visibility: hidden !important;
    pointer-events: none !important;
}

.scroll-to-top-btn.show {
    opacity: 1 !important;
    visibility: visible !important;
    pointer-events: auto !important;
    display: flex !important;
}

.scroll-to-top-btn:hover {
    background: #0776d4 !important;
    transform: translateY(-3px) !important;
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.2) !important;
}

.scroll-to-top-btn:active {
    transform: translateY(-1px) !important;
    background: #0665b3 !important;
}

.scroll-to-top-btn svg {
    width: 24px;
    height: 24px;
}

.content-wrapper {
    max-width: 900px;
    margin: 0 auto;
    padding: 0 24px 60px 24px;
}

.content-wrapper h2 {
    font-size: 32px;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 24px;
    line-height: 1.3;
    letter-spacing: -0.5px;
}

.content-wrapper h3 {
    font-size: 24px;
    font-weight: 600;
    color: var(--text);
    margin-top: 40px;
    margin-bottom: 20px;
    line-height: 1.4;
    letter-spacing: -0.3px;
}

.content-wrapper h4 {
    font-size: 18px;
    font-weight: 600;
    color: var(--text);
    margin-top: 28px;
    margin-bottom: 14px;
    line-height: 1.4;
}

.content-wrapper p {
    font-size: 16px;
    line-height: 1.8;
    color: var(--text-muted);
    margin-bottom: 20px;
}

.content-wrapper ul,
.content-wrapper ol {
    margin-left: 24px;
    margin-bottom: 20px;
    color: var(--text-muted);
    line-height: 1.8;
}

.content-wrapper li {
    margin-bottom: 10px;
}

.content-wrapper strong {
    color: var(--text);
    font-weight: 600;
}

.content-wrapper code {
    background: var(--bg-muted);
    padding: 3px 8px;
    border-radius: 4px;
    font-family: 'Courier New', monospace;
    font-size: 14px;
    color: var(--brand);
    border: 1px solid var(--border);
}

/* FAQ Accordion Styles */
.faq-accordion {
    margin-top: 30px;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.faq-item {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: var(--transition-fast);
}

.faq-item:hover {
    box-shadow: var(--shadow);
    border-color: var(--brand);
}

.faq-question {
    width: 100%;
    padding: 20px 24px;
    background: transparent;
    border: none;
    text-align: left;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    font-size: 16px;
    font-weight: 600;
    color: var(--text);
    transition: var(--transition-fast);
    font-family: inherit;
}

.faq-question:hover {
    color: var(--brand);
}

.faq-question span {
    flex: 1;
    text-align: left;
}

.faq-icon {
    width: 20px;
    height: 20px;
    color: var(--brand);
    transition: transform 0.3s ease;
    flex-shrink: 0;
}

.faq-question[aria-expanded="true"] .faq-icon {
    transform: rotate(180deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease, padding 0.3s ease;
    padding: 0 24px;
}

.faq-question[aria-expanded="true"] + .faq-answer {
    max-height: 500px;
    padding: 0 24px 20px 24px;
}

.faq-answer p {
    margin-bottom: 12px;
    color: var(--text-muted);
    line-height: 1.7;
}

.faq-answer ul {
    margin-top: 8px;
    margin-bottom: 0;
}

.faq-answer li {
    margin-bottom: 6px;
}

/* Responsive */
@media (max-width: 768px) {
    .color-picker-wrapper {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .color-picker-section {
        padding: 16px !important;
        padding-left: 16px !important;
        padding-right: 16px !important;
    }
    
    .color-wheel-container {
        width: 100%;
        max-width: 280px;
        height: auto;
        aspect-ratio: 1;
        margin: 0 auto;
    }
    
    #colorWheel {
        width: 100%;
        height: 100%;
        max-width: 280px;
        max-height: 280px;
    }
    
    .tool-container {
        padding: 16px 12px 24px 12px !important;
        max-width: 100%;
    }
    
    .tool-container h1 {
        font-size: 24px !important;
        margin-bottom: 20px !important;
    }
    
    .content-section {
        padding-left: 12px !important;
        padding-right: 12px !important;
        margin-top: 40px !important;
        padding-top: 40px !important;
    }
    
    .scroll-to-top-btn {
        bottom: 20px !important;
        right: 20px !important;
        width: 44px !important;
        height: 44px !important;
    }
    
    .scroll-to-top-btn svg {
        width: 20px !important;
        height: 20px !important;
    }
    
    .content-wrapper {
        padding: 0 12px 40px 12px !important;
    }
    
    .content-wrapper h2 {
        font-size: 22px !important;
    }
    
    .content-wrapper h3 {
        font-size: 18px !important;
    }
    
    .content-wrapper h4 {
        font-size: 15px !important;
    }
    
    .hex-input-group {
        display: flex !important;
        flex-direction: row !important;
        gap: 8px !important;
        width: 100% !important;
        align-items: center !important;
    }
    
    .hex-input {
        flex: 1 !important;
        min-width: 0 !important;
    }
    
    .btn-validate {
        flex-shrink: 0 !important;
        white-space: nowrap !important;
    }
    
    .btn-copy-hex {
        flex-shrink: 0 !important;
    }
    
    .image-url-input-group {
        max-width: 100% !important;
        padding: 0 4px;
    }
    
    .btn-upload-image {
        width: 100%;
        max-width: 100%;
    }
    
    .drop-zone-content {
        padding: 30px 16px !important;
    }
    
    .guide-tooltip {
        min-width: 260px;
        max-width: calc(100vw - 32px);
        left: 50% !important;
        transform: translateX(-50%);
    }
    
    .lightness-slider-group,
    .opacity-slider-group {
        margin-top: 16px !important;
    }
    
    .slider-container {
        display: flex !important;
        flex-direction: row !important;
        align-items: center !important;
        gap: 10px !important;
        width: 100%;
    }
    
    .color-slider {
        flex: 1 !important;
        min-width: 0 !important;
    }
    
    .color-input {
        width: 70px !important;
        min-width: 70px !important;
        max-width: 70px !important;
        flex-shrink: 0 !important;
    }
    
    .rgb-controls {
        gap: 16px !important;
        width: 100%;
    }
    
    .rgb-slider-group {
        width: 100%;
    }
    
    .hex-input-group {
        display: flex !important;
        flex-direction: row !important;
        gap: 8px !important;
        width: 100% !important;
        align-items: center !important;
    }
    
    .hex-input {
        flex: 1 !important;
        min-width: 0 !important;
    }
    
    .btn-validate {
        flex-shrink: 0 !important;
        white-space: nowrap !important;
    }
    
    .btn-copy-hex {
        flex-shrink: 0 !important;
    }
    
    .color-preview-large {
        flex-direction: column;
        gap: 16px;
    }
    
    .preview-section {
        width: 100%;
    }
    
    .color-values {
        gap: 12px !important;
    }
    
    .value-display {
        gap: 8px !important;
    }
    
    .color-palette-grid {
        grid-template-columns: repeat(auto-fill, minmax(40px, 1fr)) !important;
        gap: 8px !important;
    }
    
    .faq-item {
        padding: 16px 12px !important;
    }
    
    .faq-question {
        padding: 12px 16px !important;
        font-size: 14px !important;
    }
    
    .faq-answer {
        padding: 0 16px 16px 16px !important;
    }
}

/* Extra small screens (Android phones) */
@media (max-width: 480px) {
    .tool-container {
        padding: 12px 8px 20px 8px !important;
    }
    
    .color-picker-section {
        padding: 12px !important;
        padding-left: 12px !important;
        padding-right: 12px !important;
    }
    
    .color-wheel-container {
        max-width: 240px;
    }
    
    #colorWheel {
        max-width: 240px;
        max-height: 240px;
    }
    
    .tool-container h1 {
        font-size: 20px !important;
    }
    
    .content-section {
        padding-left: 8px !important;
        padding-right: 8px !important;
    }
    
    .scroll-to-top-btn {
        bottom: 16px !important;
        right: 16px !important;
        width: 40px !important;
        height: 40px !important;
    }
    
    .scroll-to-top-btn svg {
        width: 18px !important;
        height: 18px !important;
    }
    
    .content-wrapper {
        padding: 0 8px 30px 8px !important;
    }
    
    .slider-container {
        display: flex !important;
        flex-direction: row !important;
        gap: 6px !important;
        width: 100% !important;
    }
    
    .color-slider {
        flex: 1 !important;
        min-width: 0 !important;
    }
    
    .color-input {
        width: 60px !important;
        min-width: 60px !important;
        max-width: 60px !important;
        flex-shrink: 0 !important;
    }
    
    .rgb-controls {
        gap: 12px !important;
        width: 100% !important;
    }
    
    .hex-input-group {
        display: flex !important;
        flex-direction: row !important;
        gap: 6px !important;
        width: 100% !important;
    }
    
    .hex-input {
        flex: 1 !important;
        min-width: 0 !important;
    }
    
    .btn-validate {
        padding: 10px 14px !important;
        font-size: 12px !important;
        flex-shrink: 0 !important;
        white-space: nowrap !important;
    }
    
    .btn-copy-hex {
        width: 34px !important;
        height: 34px !important;
        flex-shrink: 0 !important;
    }
    
    .image-url-input-group {
        padding: 0 !important;
    }
    
    .drop-zone-content {
        padding: 24px 12px !important;
    }
}