/* Global reset styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* Theme variables */
:root {
    --primary-color: #1877f2;
    --primary-color-rgb: 24, 119, 242;
    --primary-dark: #1d4ed8;
    --secondary-color: #42b883;
    --accent-color: #ff6b6b;
    --accent-color-rgb: 255, 107, 107;
    --accent-dark: #e55555;
    --warning-color: #f59e0b;
    --success-color: #10b981;
    --background-color: #f8fafc;
    --surface-color: #ffffff;
    --text-primary: #1e293b;
    --text-secondary: #64748b;
    --text-muted-rgb: 100, 116, 139;
    --border-color: #e2e8f0;
    --border-color-rgb: 226, 232, 240;
    --hover-color: #f1f5f9;
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --border-radius: 12px;
    --transition: all 0.2s ease-in-out;
}

[data-theme="dark"] {
    --background-color: #0f172a;
    --surface-color: #1e293b;
    --text-primary: #f1f5f9;
    --text-secondary: #94a3b8;
    --text-muted-rgb: 148, 163, 184;
    --border-color: #334155;
    --border-color-rgb: 51, 65, 85;
    --hover-color: #334155;
}

/* Base body styling */
body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background-color: var(--background-color);
    color: var(--text-primary);
    line-height: 1.6;
    transition: var(--transition);
    overflow-x: hidden;
    max-width: 100vw;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    box-sizing: border-box;
}

.container {
    margin: 0 auto;
    padding: 0 20px;
    max-width: 100%;
    box-sizing: border-box;
}

/* Header styles */
.header {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    padding: 2rem 0;
    box-shadow: var(--shadow-lg);
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.logo {
    font-size: 1.8rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin: 0;
    padding: 0;
}

.logo-link {
    color: inherit;
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: var(--transition);
}

.logo-link:hover {
    color: inherit;
    text-decoration: none;
    opacity: 0.9;
}

.logo-link::before {
    content: "😀";
    font-size: 2rem;
}

.search-container {
    flex: 1;
    max-width: 800px;
    position: relative;
}

.search-input {
    width: 100%;
    padding: 0.75rem 1rem;
    border: none;
    border-radius: var(--border-radius);
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    transition: var(--transition);
    box-shadow: var(--shadow);
}

.search-input:focus {
    outline: none;
    background: white;
    box-shadow: 0 0 0 3px rgba(255, 255, 255, 0.3);
}

.search-clear {
    position: absolute;
    right: 1rem;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    font-size: 1.2rem;
    opacity: 0.7;
    transition: var(--transition);
    pointer-events: none;
}

.search-clear.visible {
    opacity: 1;
    pointer-events: auto;
}

.header-controls {
    display: flex;
    justify-content: center;
    align-items: center;
}

.theme-toggle {
    background: rgba(255, 255, 255, 0.2);
    border: none;
    color: white;
    padding: 0.5rem;
    border-radius: 8px;
    cursor: pointer;
    transition: var(--transition);
    font-size: 1.2rem;
}

.theme-toggle:hover {
    background: rgba(255, 255, 255, 0.3);
}

/* Main layout styles */
.main-layout {
    display: grid;
    grid-template-columns: 320px minmax(700px, 1fr);
    gap: 2rem;
    padding: 2rem 0;
    flex: 1;
    max-width: 1600px;
    margin: 0 auto;
    box-sizing: border-box;
}

.content-area {
    display: flex;
    flex-direction: column;
    min-width: 700px;
    width: 100%;
    box-sizing: border-box;
}

/* Sidebar styles */
.sidebar {
    background: var(--surface-color);
    border-radius: var(--border-radius);
    padding: 1.5rem;
    box-shadow: var(--shadow);
    height: fit-content;
    position: sticky;
    top: 120px;
    width: 320px;
    min-width: 320px;
    max-width: 320px;
}

.sidebar h2,
.sidebar h3,
.section-header h2,
.section-header h3 {
    margin-bottom: 0.75rem;
    color: var(--text-primary);
    font-size: 1.1rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    justify-content: flex-start;
    gap: 0.5rem;
}

.category-list {
    list-style: none;
    margin-bottom: 1rem;
}

/* SEO-friendly category links - invisible wrapper around buttons */
.category-link {
    text-decoration: none;
    color: inherit;
    display: block;
}

.category-item {
    margin-bottom: 0.25rem;
}

.category-button {
    width: 100%;
    padding: 0.5rem 1rem;
    border: none;
    background: transparent;
    text-align: left;
    border-radius: 8px;
    cursor: pointer;
    transition: var(--transition);
    font-size: 0.95rem;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.category-button:hover {
    background: var(--hover-color);
    color: var(--text-primary);
}

.category-button.active {
    background: var(--primary-color) !important;
    color: white !important;
    font-weight: 500 !important;
}



/* Expandable Categories */
.category-item.expandable .category-button {
    position: relative;
}

.expand-icon {
    margin-left: auto;
    font-size: 0.8rem;
    transition: transform 0.2s ease;
    color: var(--text-secondary);
}

.category-item.expandable.expanded .expand-icon {
    transform: rotate(180deg);
}

/* Subcategory List */
.subcategory-list {
    list-style: none;
    margin: 0;
    padding: 0;
    margin-top: 0.5rem;
    border-left: 2px solid var(--border-color);
    margin-left: 1.5rem;
    padding-left: 0.5rem;
}


.subcategory-button {
    width: 100%;
    padding: 0.5rem 0.75rem;
    border: none;
    background: transparent;
    text-align: left;
    border-radius: 6px;
    cursor: pointer;
    transition: var(--transition);
    font-size: 0.85rem;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    position: relative;
}

.subcategory-button:hover {
    background: var(--hover-color);
    color: var(--text-primary);
}

.subcategory-button.active {
    background: rgba(var(--primary-color-rgb), 0.1);
    color: var(--primary-color);
    font-weight: 500;
    border-left: 3px solid var(--primary-color);
    padding-left: calc(0.75rem - 3px);
}



/* Recent and Favorites */
.recent-section, .favorites-section {
    margin-bottom: 2rem;
}

.section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1rem;
}

.section-header h2,
.section-header h3 {
    margin-bottom: 0;
}

.clear-button {
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.25rem;
    border-radius: 4px;
    font-size: 1rem;
    color: var(--text-secondary);
    transition: var(--transition);
    opacity: 0.7;
}

.clear-button:hover {
    background: var(--hover-color);
    color: var(--accent-color);
    opacity: 1;
    transform: scale(1.1);
}

.recent-emojis, .favorite-emojis {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: 0.5rem;
}

.recent-emoji, .favorite-emoji {
    background: var(--background-color);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 0.5rem;
    cursor: pointer;
    transition: var(--transition);
    font-size: 1.2rem;
    position: relative;
    font-family: "Twemoji Mozilla", 
                "Apple Color Emoji", 
                "Segoe UI Emoji", 
                "Segoe UI Symbol", 
                "Noto Color Emoji", 
                "EmojiOne Color", 
                "Android Emoji", 
                sans-serif;
}

.recent-emoji:hover, .favorite-emoji:hover {
    background: var(--hover-color);
    transform: scale(1.1);
}

.favorite-emoji .remove-favorite {
    position: absolute;
    top: -5px;
    right: -5px;
    background: var(--accent-color);
    color: white;
    border: none;
    border-radius: 50%;
    width: 16px;
    height: 16px;
    font-size: 10px;
    cursor: pointer;
    display: none;
}

.favorite-emoji:hover .remove-favorite {
    display: block;
}

/* Content Area */
.content {
    background: var(--surface-color);
    border-radius: var(--border-radius);
    padding: 2rem;
    margin-top: 2rem;
    box-shadow: var(--shadow);
}

.content-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
    flex-wrap: wrap;
    gap: 1rem;
}

.content-title {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-primary);
}

.content-controls {
    display: flex;
    gap: 1.5rem;
    align-items: center;
    flex-wrap: wrap;
}

.view-toggle {
    display: flex;
    background: var(--background-color);
    border-radius: 8px;
    padding: 0.25rem;
    gap: 0.5rem;
}

.view-button {
    padding: 0.5rem 1rem;
    border: none;
    background: transparent;
    border-radius: 6px;
    cursor: pointer;
    transition: var(--transition);
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin: 0 0.25rem;
}

.view-button.active {
    background: var(--primary-color);
    color: white;
}

.sort-select {
    padding: 0.5rem 1rem;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    background: var(--background-color);
    color: var(--text-primary);
    font-size: 0.9rem;
}

/* Twemoji Styles - Apply to all Twemoji images */
img.emoji[src*="twemoji"] {
    height: 1.2em;
    width: 1.2em;
    margin: 0 0.05em 0 0.1em;
    vertical-align: -0.1em;
    display: inline-block;
    object-fit: contain;
}

.emoji-item img.emoji[src*="twemoji"] {
    height: 24px;
    width: 24px;
    margin: 0;
    vertical-align: middle;
    object-fit: contain;
}

.recent-emoji img.emoji[src*="twemoji"],
.favorite-emoji img.emoji[src*="twemoji"] {
    height: 20px;
    width: 20px;
    margin: 0;
    vertical-align: middle;
    object-fit: contain;
    aspect-ratio: 1;
    border-radius: 2px;
}

.copy-box img.emoji[src*="twemoji"] {
    height: 18px;
    width: 18px;
    margin: 0 2px;
    vertical-align: middle;
    object-fit: contain;
    aspect-ratio: 1;
    border-radius: 2px;
}

/* Ensure containers maintain square aspect ratio */
.recent-emoji,
.favorite-emoji {
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 24px;
    min-height: 24px;
    aspect-ratio: 1;
}

.copy-box-item {
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

/* Legacy Twemoji mode styles for backward compatibility */
.twemoji-mode img.emoji {
    height: 1.2em;
    width: 1.2em;
    margin: 0 0.05em 0 0.1em;
    vertical-align: -0.1em;
    display: inline-block;
}

.twemoji-mode .emoji-item img.emoji {
    height: 24px;
    width: 24px;
    margin: 0;
    vertical-align: middle;
}

.twemoji-mode .emoji-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 60px;
    aspect-ratio: 1;
}

.twemoji-mode .emoji-grid.small .emoji-item {
    min-height: 40px;
}

.twemoji-mode .emoji-grid.large .emoji-item {
    min-height: 80px;
}

.twemoji-mode .recent-emoji img.emoji,
.twemoji-mode .favorite-emoji img.emoji {
    height: 20px;
    width: 20px;
    margin: 0;
    vertical-align: middle;
}

.twemoji-mode .recent-emoji,
.twemoji-mode .favorite-emoji {
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 40px;
    min-height: 40px;
    aspect-ratio: 1;
}

/* Emoji grid display */
.emoji-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(80px, 1fr));
    gap: 0.75rem;
    margin-bottom: 2rem;
}

.emoji-grid.large {
    gap: 1rem;
}

.emoji-grid.small {
    gap: 0.5rem;
}

.emoji-item {
    background: var(--background-color);
    border: 2px solid transparent;
    border-radius: var(--border-radius);
    padding: 1rem;
    text-align: center;
    cursor: pointer;
    transition: var(--transition);
    position: relative;
    overflow: visible;
}

.emoji-item:hover {
    background: var(--hover-color);
    transform: scale(1.1);
}

.emoji-item.copied {
    border-color: var(--success-color);
    background: var(--success-color);
    color: white;
}

.emoji-item.long-press-starting {
    transform: scale(1.02);
    border-color: var(--warning-color);
    background: rgba(255, 193, 7, 0.05);
    transition: all 0.4s ease-out;
    position: relative;
}

.emoji-item.long-press-starting::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    border: 2px solid var(--warning-color);
    border-radius: var(--border-radius);
    animation: longPressProgress 0.4s ease-out;
    pointer-events: none;
}

@keyframes longPressProgress {
    0% {
        transform: scale(1);
        opacity: 0.3;
    }
    50% {
        transform: scale(1.05);
        opacity: 0.6;
    }
    100% {
        transform: scale(1);
        opacity: 0.9;
    }
}

.emoji-item.long-pressed {
    transform: scale(0.95);
    transition: transform 0.1s ease-in-out;
    border-color: var(--success-color);
    background: rgba(34, 197, 94, 0.1);
}

.emoji-item.favorited {
    border-color: var(--warning-color);
}

.emoji-symbol {
    font-size: 2rem;
    margin-bottom: 0.5rem;
    display: block;
    font-family: "Twemoji Mozilla", 
                "Apple Color Emoji", 
                "Segoe UI Emoji", 
                "Segoe UI Symbol", 
                "Noto Color Emoji", 
                "EmojiOne Color", 
                "Android Emoji", 
                sans-serif;
}

.emoji-symbol .fi {
    font-size: 2rem;
    width: 2rem;
    height: 2rem;
    display: inline-block;
    vertical-align: middle;
    background-size: contain;
    background-position: center;
    background-repeat: no-repeat;
}

.emoji-grid.large .emoji-symbol {
    font-size: 2.5rem;
}

.emoji-grid.small .emoji-symbol {
    font-size: 1.5rem;
    margin-bottom: 0.25rem;
}

.emoji-grid.small .emoji-item {
    padding: 0.5rem;
}

.emoji-grid.small .emoji-title {
    display: none;
}

.emoji-title {
    font-size: 0.75rem;
    color: var(--text-secondary);
    line-height: 1.2;
    word-break: break-word;
    text-transform: capitalize;
}

.emoji-item.copied .emoji-title {
    color: white;
}

.emoji-item .favorite-star {
    position: absolute;
    top: -5px;
    right: -5px;
    background: var(--accent-color);
    color: white;
    border: none;
    border-radius: 50%;
    width: 16px;
    height: 16px;
    font-size: 10px;
    cursor: pointer;
    display: none;
    z-index: 10;
}

.emoji-item:hover .favorite-star {
    display: block;
}

.emoji-item .favorite-star.favorited {
    display: block;
}

.favorite-btn.touch-active {
    transform: scale(0.9);
    background: rgba(255, 193, 7, 0.2);
    transition: all 0.1s ease-in-out;
}

.favorite-btn.favorite-tapped {
    transform: scale(1.1);
    background: var(--warning-color);
    color: white;
    transition: all 0.1s ease-in-out;
}

/* Loading and Empty States */
.loading {
    text-align: center;
    padding: 3rem;
    color: var(--text-secondary);
}

.loading::before {
    content: "⏳";
    font-size: 2rem;
    display: block;
    margin-bottom: 1rem;
    animation: spin 2s linear infinite;
}

@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.empty-state {
    text-align: center;
    padding: 3rem;
    color: var(--text-secondary);
}

.empty-state::before {
    content: "🔍";
    font-size: 3rem;
    display: block;
    margin-bottom: 1rem;
}

/* Toast Notification */
.toast {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    background: var(--surface-color);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    padding: 1rem 1.5rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-lg);
    transform: translateY(100px);
    opacity: 0;
    transition: var(--transition);
    z-index: 1000;
    max-width: 300px;
}

.toast.show {
    transform: translateY(0);
    opacity: 1;
}

.toast.success {
    background: var(--success-color);
    color: white;
}

.toast.warning {
    background: var(--warning-color);
    color: white;
}

.toast.error {
    background: var(--accent-color);
    color: white;
}

/* Keyboard Navigation Indicator */
.keyboard-nav {
    position: fixed;
    bottom: 1rem;
    left: 1rem;
    background: var(--surface-color);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 0.5rem 1rem;
    font-size: 0.8rem;
    color: var(--text-secondary);
    opacity: 0;
    transition: var(--transition);
    z-index: 1000;
}

.keyboard-nav.show {
    opacity: 1;
}

/* Responsive Design */
@media (max-width: 1084px) {
    .emoji-grid.small .favorite-star {
        pointer-events: none !important;
    }
    /* Prevent horizontal scrolling */
    body {
        overflow-x: hidden;
        max-width: 100vw;
    }
    
    .emoji-item .favorite-btn {
        top: 2px;
        right: 2px;
        width: 24px;
        height: 24px;
        font-size: 1rem;
        transform: scale(1);
    }

    .emoji-item .favorite-btn {
        opacity: 0.8;
    }

    .emoji-item .favorite-btn.is-favorite,
    .emoji-item .favorite-btn.favorited {
        opacity: 1;
    }

    .emoji-item .favorite-btn {
        min-width: 32px;
        min-height: 32px;
        touch-action: manipulation;
    }

    .emoji-item {
        touch-action: manipulation;
        -webkit-tap-highlight-color: transparent;
        -webkit-touch-callout: none;
        -webkit-user-select: none;
        user-select: none;
    }

    .emoji-item.long-press-starting {
        transform: scale(1.05);
        box-shadow: 0 4px 12px rgba(255, 193, 7, 0.3);
    }

    .emoji-item.long-pressed {
        transform: scale(0.98);
        box-shadow: 0 2px 8px rgba(34, 197, 94, 0.4);
    }

    .main-layout {
        grid-template-columns: 1fr;
        gap: 1rem;
        padding: 1rem 0;
        width: 100%;
        max-width: 100%;
        box-sizing: border-box;
    }

    .sidebar {
        position: static;
        order: 2;
        width: 100%;
        max-width: 100%;
        min-width: auto;
    }

    .header-content {
        flex-direction: row;
        flex-wrap: wrap;
        text-align: left;
        width: 100%;
        max-width: 100%;
        align-items: flex-start;
        justify-content: space-between;
    }

    .logo {
        order: 1;
        flex: 0 0 auto;
    }

    .header-controls {
        order: 2;
        flex: 0 0 auto;
        width: auto;
        max-width: none;
        justify-content: flex-end;
    }

    .search-container {
        order: 3;
        flex: 1 1 100%;
        max-width: 100%;
        width: 100%;
        margin: 1rem 0 0 0;
    }

    .emoji-grid {
        grid-template-columns: repeat(auto-fill, minmax(60px, 1fr));
        gap: 0.5rem;
        width: 100%;
        max-width: 100%;
    }

    .emoji-grid.large {
        grid-template-columns: repeat(auto-fill, minmax(80px, 1fr));
    }

    .emoji-symbol {
        font-size: 1.5rem !important;
    }

    .emoji-grid.large .emoji-symbol {
        font-size: 2rem !important;
    }

    .content {
        padding: 1rem;
        width: 100%;
        max-width: 100%;
        box-sizing: border-box;
        min-width: auto;
    }

    .content-area {
        min-width: auto;
        width: 100%;
        max-width: 100%;
    }

    .content-header {
        flex-direction: column;
        align-items: stretch;
        width: 100%;
        max-width: 100%;
    }

    .content-controls {
        justify-content: space-between;
        width: 100%;
        max-width: 100%;
    }

    .container {
        padding: 0 15px;
        width: 100%;
        max-width: 100%;
        box-sizing: border-box;
    }

    .emoji-item {
        word-break: break-word;
        min-width: 0;
    }

    .emoji-title {
        word-break: break-word;
        overflow-wrap: break-word;
        text-transform: capitalize;
    }
}

@media (max-width: 480px) {
    /* Prevent horizontal scrolling */
    body {
        overflow-x: hidden;
        max-width: 100vw;
    }
    
    .container {
        padding: 0 10px;
        width: 100%;
        max-width: 100%;
        box-sizing: border-box;
    }

    .header {
        padding: 1rem 0;
        width: 100%;
        max-width: 100%;
    }

    .logo {
        font-size: 1.5rem;
    }

    .emoji-grid {
        grid-template-columns: repeat(auto-fill, minmax(45px, 1fr));
        gap: 0.25rem;
        width: 100%;
        max-width: 100%;
    }

    .toast {
        bottom: 1rem;
        right: 1rem;
        left: 1rem;
        max-width: none;
        box-sizing: border-box;
    }

    .emoji-item {
        padding: 0.5rem;
        box-sizing: border-box;
    }

    .emoji-symbol {
        font-size: 1.25rem !important;
    }

    .emoji-title {
        font-size: 0.7rem;
        text-transform: capitalize;
    }
    
    .content-area {
        min-width: auto;
        width: 100%;
        max-width: 100%;
    }
}

/* Animations */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.emoji-item {
    animation: fadeIn 0.3s ease-out;
}

/* Modal Styles */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    backdrop-filter: blur(4px);
}

.modal {
    background: var(--surface-color);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-lg);
    max-width: 400px;
    width: 90%;
    max-height: 90vh;
    overflow: hidden;
    animation: modalSlideIn 0.3s ease-out;
}

@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: translateY(-20px) scale(0.95);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.modal-header {
    padding: 1.5rem 1.5rem 1rem;
    border-bottom: 1px solid var(--border-color);
}

.modal-header h3 {
    margin: 0;
    color: var(--text-primary);
    font-size: 1.2rem;
    font-weight: 600;
}

.modal-body {
    padding: 1.5rem;
    color: var(--text-primary);
    line-height: 1.6;
}

.modal-body p {
    margin: 0 0 1rem;
}

.modal-body p:last-child {
    margin-bottom: 0;
}

.modal-footer {
    padding: 1rem 1.5rem 1.5rem;
    display: flex;
    gap: 1rem;
    justify-content: flex-end;
    border-top: 1px solid var(--border-color);
}

.modal-btn {
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-size: 0.95rem;
    font-weight: 500;
    transition: var(--transition);
    min-width: 100px;
}

.modal-btn-cancel {
    background: var(--background-color);
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
}

.modal-btn-cancel:hover {
    background: var(--hover-color);
    color: var(--text-primary);
}

.modal-btn-confirm {
    background: var(--accent-color);
    color: white;
}

.modal-btn-confirm:hover {
    background: #e55555;
    transform: translateY(-1px);
}

/* Scrollbar Styling */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--background-color);
}

::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--text-secondary);
}

/* Focus Styles */
.category-button:focus,
.view-button:focus,
.emoji-item:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

/* High Contrast Mode */
@media (prefers-contrast: high) {
    :root {
        --border-color: #000000;
        --text-secondary: #000000;
    }
}

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Print Styles */
@media print {
    .header, .sidebar, .toast, .keyboard-nav {
        display: none;
    }
    .main-layout {
        grid-template-columns: 1fr;
    }
    .emoji-grid {
        grid-template-columns: repeat(10, 1fr);
    }
}

/* Mobile Sidebar Toggle Button */
.mobile-sidebar-toggle {
    display: none;
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 56px;
    height: 56px;
    background: linear-gradient(135deg, #3b82f6 0%, #1d4ed8 100%);
    border: none;
    border-radius: 50%;
    color: white;
    cursor: pointer;
    box-shadow: 0 4px 20px rgba(59, 130, 246, 0.4);
    transition: all 0.3s ease;
    z-index: 1000;
    backdrop-filter: blur(10px);
}

/* Hamburger Icon */
.hamburger-icon {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    width: 20px;
    height: 16px;
}

.hamburger-icon span {
    display: block;
    width: 20px;
    height: 2px;
    background-color: white;
    margin: 2px 0;
    border-radius: 1px;
    transition: all 0.3s ease;
}

.mobile-sidebar-toggle:hover {
    transform: translateY(-2px) scale(1.05);
    box-shadow: 0 6px 25px rgba(59, 130, 246, 0.6);
    background: linear-gradient(135deg, #2563eb 0%, #1e40af 100%);
}

.mobile-sidebar-toggle:hover .hamburger-icon span {
    background-color: #ffffff;
}

.mobile-sidebar-toggle:active {
    transform: translateY(0) scale(0.95);
}

.sidebar.open ~ .mobile-sidebar-toggle .hamburger-icon span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.sidebar.open ~ .mobile-sidebar-toggle .hamburger-icon span:nth-child(2) {
    opacity: 0;
}

.sidebar.open ~ .mobile-sidebar-toggle .hamburger-icon span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -6px);
}

@media (max-width: 1084px) {
    .mobile-sidebar-toggle {
        display: flex;
        align-items: center;
        justify-content: center;
        width: 48px;
        height: 48px;
        bottom: 1.5rem;
        right: 1.5rem;
        font-size: 1.25rem;
    }

    .sidebar {
        position: fixed;
        top: 0;
        left: -100%;
        width: 260px;
        height: 100vh;
        background: var(--surface-color);
        border-right: none;
        transition: left 0.3s ease;
        z-index: 999;
        overflow-y: auto;
        padding: 1.5rem 0.75rem;
        box-shadow: 4px 0 20px rgba(0, 0, 0, 0.15);
        border-radius: 0;
    }

    .sidebar h3 {
        color: var(--text-primary);
        font-weight: 600;
        margin: 0.75rem 0 0.5rem 0;
        font-size: 0.9rem;
    }

    .sidebar .category-button {
        background: var(--hover-color);
        border: 1px solid var(--border-color);
        color: var(--text-secondary);
        transition: all 0.2s ease;
        padding: 0.5rem 0.75rem;
        margin-bottom: 0.5rem;
        font-size: 0.85rem;
        border-radius: 6px;
    }

    .sidebar .category-button:hover {
        background: var(--hover-color);
        border-color: var(--primary-color);
        color: var(--primary-color);
    }

    .sidebar .category-button.active {
        background: linear-gradient(135deg, var(--primary-color), var(--primary-dark)) !important;
        border-color: var(--primary-dark) !important;
        color: white !important;
    }

    /* Sidebar Subcategory Styles */
    .sidebar .subcategory-list {
        border-left: 2px solid rgba(var(--border-color-rgb), 0.5);
        margin-left: 1rem;
        padding-left: 0.5rem;
        margin-top: 0.5rem;
    }

    .sidebar .subcategory-button {
        background: var(--hover-color);
        border: 1px solid var(--border-color);
        color: var(--text-secondary);
        padding: 0.4rem 0.6rem;
        margin-bottom: 0.25rem;
        font-size: 0.8rem;
        border-radius: 4px;
    }

    .sidebar .subcategory-button:hover {
        background: var(--hover-color);
        border-color: var(--primary-color);
        color: var(--primary-color);
    }

    .sidebar .subcategory-button.active {
        background: rgba(var(--primary-color-rgb), 0.15) !important;
        border-color: var(--primary-color) !important;
        color: var(--primary-color) !important;
        font-weight: 500;
        border-left: 3px solid var(--primary-color);
        padding-left: calc(0.6rem - 3px);
    }

    .sidebar .expand-icon {
        font-size: 0.7rem;
    }

    .sidebar .recent-emojis,
    .sidebar .favorite-emojis {
        background: var(--background-color);
        border: 1px solid var(--border-color);
        border-radius: 6px;
        padding: 0.5rem;
        margin-bottom: 0.75rem;
    }

    .sidebar .recent-emoji,
    .sidebar .favorite-emoji {
        background: var(--hover-color);
        border: 1px solid var(--border-color);
        color: var(--text-color);
    }

    .sidebar .section-header {
        margin-bottom: 0.25rem;
    }

    .sidebar .categories {
        margin-bottom: 0.75rem;
    }

    .sidebar .recent-section + .favorites-section {
        margin-top: 0.5rem;
    }

    .sidebar .clear-button {
        background: rgba(var(--accent-color-rgb), 0.1);
        color: var(--accent-color);
        border: 1px solid rgba(var(--accent-color-rgb), 0.2);
    }

    .sidebar .clear-button:hover {
        background: rgba(var(--accent-color-rgb), 0.2);
    }

    .sidebar.open {
        left: 0;
    }

    .sidebar-overlay {
        display: none;
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background: rgba(0, 0, 0, 0.6);
        z-index: 998;
        backdrop-filter: blur(4px);
        transition: opacity 0.3s ease;
    }

    .sidebar-overlay.active {
        display: block;
        opacity: 1;
    }
}

/* Icon Display Switcher */
.icon-display-switcher {
    display: flex;
    gap: 0.5rem;
    justify-content: center;
    align-items: center;
}

.display-btn {
    background: none;
    border: 2px solid transparent;
    padding: 0.2rem;
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.2s ease;
    opacity: 0.7;
    font-size: 1.2rem;
    line-height: 1;
}

.display-btn:hover {
    opacity: 1;
    transform: scale(1.1);
}

.display-btn.active {
    border-color: var(--primary-color);
    background: var(--primary-color);
    color: white;
    opacity: 1;
}

/* Display Toggle Styles */
.display-toggle {
    display: flex;
    gap: 0.5rem;
    justify-content: left;
}

.display-btn {
    background: none;
    border: 2px solid transparent;
    padding: 0.4rem 0.6rem;
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.2s ease;
    opacity: 0.7;
    font-size: 0.85rem;
    display: flex;
    align-items: center;
    gap: 0.3rem;
    color: var(--text-primary);
}

.display-btn:hover {
    opacity: 1;
    transform: scale(1.05);
}

.display-btn.active {
    border-color: var(--primary-color);
    background: var(--primary-color);
    color: white;
    opacity: 1;
}

.display-btn span {
    font-size: 1rem;
    line-height: 1;
}

/* Language Flags Styles */
.language-flags {
    display: flex;
    gap: 0.5rem;
    justify-content: left;
}

.flag-btn {
    background: none;
    border: 2px solid transparent;
    padding: 0.2rem;
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.2s ease;
    opacity: 0.7;
}

.flag-btn:hover {
    opacity: 1;
    transform: scale(1.1);
}

.flag-btn.active {
    border-color: var(--primary-color);
    background: var(--primary-color);
    color: white;
    opacity: 1;
}

.flag-btn .fi {
    font-size: 1.2rem;
    line-height: 1;
}

/* Click and Hold Animation Styles */
.emoji-item.click-and-hold {
    position: relative;
    overflow: visible;
    cursor: pointer;
    user-select: none;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    -webkit-touch-callout: none;
}

.emoji-item.click-and-hold .fill {
    position: absolute;
    top: 0;
    left: 0;
    width: var(--hold-progress, 0%);
    height: 100%;
    background: linear-gradient(90deg,
        rgba(var(--accent-color-rgb), 0.3) 0%,
        rgba(var(--accent-color-rgb), 0.6) 100%);
    transition: width 0.05s linear;
    z-index: 1;
    pointer-events: none;
}

.emoji-item.click-and-hold.hold-add .fill {
    background: linear-gradient(90deg,
        rgba(34, 197, 94, 0.3) 0%,
        rgba(34, 197, 94, 0.6) 100%);
}

.emoji-item.click-and-hold.hold-remove .fill {
    background: linear-gradient(90deg,
        rgba(239, 68, 68, 0.3) 0%,
        rgba(239, 68, 68, 0.6) 100%);
}

.emoji-item.click-and-hold.holding {
    transform: scale(0.98);
    transition: transform 0.1s ease;
}

.emoji-item.click-and-hold.hold-complete {
    transform: scale(1.02);
    background: rgba(var(--success-color-rgb, 16, 185, 129), 0.2);
    transition: all 0.3s ease;
}

.emoji-item.click-and-hold.hold-complete.hold-add {
    background: rgba(34, 197, 94, 0.2);
}

.emoji-item.click-and-hold.hold-complete.hold-remove {
    background: rgba(239, 68, 68, 0.2);
}

.emoji-item.click-and-hold .emoji-symbol,
.emoji-item.click-and-hold .emoji-title {
    position: relative;
    z-index: 2;
}

.emoji-grid.small .emoji-item.click-and-hold.holding *,
.emoji-grid.normal .emoji-item.click-and-hold.holding *,
.emoji-grid.large .emoji-item.click-and-hold.holding *,
.emoji-grid .emoji-item.click-and-hold.holding * {
    user-select: none;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
}

/* Removed duplicate favorite star ::after pseudo-element to prevent double icons */

.emoji-item .favorite-star {
    position: absolute;
    top: -5px;
    right: -5px;
    font-size: 0.7rem;
    z-index: 11;
    cursor: pointer;
    opacity: 0;
    transition: all 0.2s ease;
    background: none;
    border: none;
    padding: 2px;
    line-height: 1;
    border-radius: 50%;
    width: 16px;
    height: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    pointer-events: auto;
}

/* Favorited items: show golden/yellow star permanently */
.emoji-item .favorite-star.favorited {
    opacity: 1;
    background: rgba(255, 215, 0, 0.9); /* Golden background */
    border: 1px solid rgba(255, 193, 7, 0.8);
    color: #ff8f00; /* Golden/orange star color */
    box-shadow: 0 1px 3px rgba(255, 193, 7, 0.3);
}

/* Non-favorited items: show black star on hover only */
.emoji-item:hover .favorite-star.not-favorited {
    opacity: 1;
    background: rgba(255, 255, 255, 0.9);
    border: 1px solid rgba(0, 0, 0, 0.2);
    color: #000; /* Black star for non-favorited on hover */
}

@media (hover: hover) and (pointer: fine) {
    .emoji-item:hover .favorite-star {
        opacity: 1;
    }
}

/* Removed duplicate color rules - handled above */

.emoji-item .favorite-star:hover {
    transform: scale(1.1);
}

/* Info icon styles - positioned in bottom-right corner */
.emoji-item .info-icon {
    position: absolute;
    bottom: -5px;
    right: -5px;
    font-size: 0.7rem;
    z-index: 9;
    cursor: pointer;
    opacity: 0;
    transition: all 0.2s ease;
    background: none;
    border: none;
    color: white;
    text-decoration: none;
    border-radius: 50%;
    width: 16px;
    height: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    pointer-events: auto;
}

/* Show info icon on hover */
.emoji-item:hover .info-icon {
    opacity: 1;
}

@media (hover: hover) and (pointer: fine) {
    .emoji-item:hover .info-icon {
        opacity: 1;
    }
}

.emoji-item .info-icon:hover {
    transform: scale(1.1);
}

/* Removed small/large grid ::after styles as we only use .favorite-star button */

.emoji-grid.small .emoji-item .favorite-star {
    font-size: 0.6rem;
    top: -4px;
    right: -4px;
    width: 14px;
    height: 14px;
}

.emoji-grid.large .emoji-item .favorite-star {
    font-size: 0.8rem;
    top: -6px;
    right: -6px;
    width: 18px;
    height: 18px;
}

/* Info icon responsive sizes */
.emoji-grid.small .emoji-item .info-icon {
    font-size: 0.6rem;
    bottom: -4px;
    right: -4px;
    width: 14px;
    height: 14px;
}

.emoji-grid.large .emoji-item .info-icon {
    font-size: 0.8rem;
    bottom: -6px;
    right: -6px;
    width: 18px;
    height: 18px;
}

@media (max-width: 1084px) {
    .emoji-item.click-and-hold.holding {
        transform: scale(0.95);
    }
    .emoji-item.click-and-hold.hold-complete {
        transform: scale(1.05);
    }
    /* Removed mobile ::after styles as we only use .favorite-star button */
}

.language-section {
    margin-top: 1rem;
}

/* Footer Styles */
.footer {
    margin-top: auto;
    margin-bottom: 0;
    padding: 2rem 0;
}

.footer-content {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 20px;
}

.footer-main {
    padding: 1.5rem;
    background: rgba(var(--text-muted-rgb, 128, 128, 128), 0.05);
    border-radius: var(--border-radius);
    border: 1px solid rgba(var(--border-color-rgb, 200, 200, 200), 0.3);
}

.footer-links {
    margin-bottom: 1rem;
    display: flex;
    justify-content: flex-start;
    align-items: center;
    gap: 1.5rem;
    flex-wrap: wrap;
}

.footer-links a {
    color: var(--primary-color);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 400;
    padding: 0;
    transition: color 0.2s ease;
}

.footer-links a:hover {
    color: var(--text-color);
    text-decoration: underline;
}

.footer-separator {
    color: var(--text-muted);
    font-size: 1.2rem;
    opacity: 0.6;
}

.footer-disclaimer {
    font-size: 0.85rem;
    color: var(--text-muted);
    line-height: 1.6;
    text-align: left;
    margin: 0;
    padding: 0;
    background: none;
    border: none;
    border-radius: 0;
}

.footer-disclaimer p {
    margin: 0;
    font-style: italic;
}

/* Batch Loading Indicator */
.batch-loading {
    text-align: center;
    padding: 3rem;
    color: var(--text-secondary);
}

.batch-loading::before {
    content: "⏳";
    font-size: 2rem;
    display: block;
    margin-bottom: 1rem;
    animation: spin 2s linear infinite;
}

/* Responsive Footer */
@media (max-width: 1084px) {
    .footer-content {
        margin-left: auto;
        margin-right: auto;
        padding: 0 10px;
    }
    .footer-links {
        justify-content: center;
        text-align: center;
    }
    .footer-disclaimer {
        text-align: center;
        font-size: 0.8rem;
    }
    .footer-links a {
        font-size: 0.85rem;
    }
}

/* Screen Reader Only Styles */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.skip-link {
    position: absolute;
    top: -40px;
    left: 6px;
    background: var(--primary-color);
    color: white;
    padding: 8px;
    text-decoration: none;
    border-radius: 4px;
    z-index: 1000;
    transition: top 0.3s;
}

.skip-link:focus {
    top: 6px;
}

/* Desktop-specific improvements */
@media (min-width: 1024px) {
    .search-container {
        max-width: 600px;
    }
    .header-content {
        position: relative;
    }
    .language-section {
        margin-top: 1rem;
    }
    .language-flags {
        display: flex;
        flex-direction: row;
        justify-content: left;
        gap: 0.75rem;
        flex-wrap: nowrap;
    }
}

@media (max-width: 1084px) {
    .language-section {
        margin-top: auto;
        margin-bottom: 1rem;
    }
    .language-flags {
        display: flex;
        flex-direction: row;
        justify-content: left;
        gap: 0.5rem;
        flex-wrap: nowrap;
    }
}

/* Copy Box Styles */
.copy-box-section {
    padding: 1.0rem;
    background: var(--surface-color);
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.copy-box-section.sticky-enabled {
    position: sticky;
    top: 120px;
    z-index: 90;
}

.copy-box-section + * {
    margin-top: 1rem;
}

.copy-box-header {
    margin-bottom: 1rem;
}

.copy-box-main {
    display: flex;
    gap: 1rem;
    align-items: flex-start;
}

.copy-box-header h3 {
    color: var(--text-primary);
    font-size: 1.2rem;
    font-weight: 600;
    margin: 0;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.copy-box-header h3::before {
    content: "📝";
    font-size: 1.3rem;
}

.copy-box-controls {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    flex-shrink: 0;
}

.copy-box-btn {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 2px solid var(--border-color);
    border-radius: calc(var(--border-radius) * 0.75);
    background: var(--surface-color);
    color: var(--text-primary);
    font-size: 1rem;
    cursor: pointer;
    transition: var(--transition);
}

.copy-box-btn:hover {
    background: var(--hover-color);
    transform: translateY(-1px);
    box-shadow: var(--shadow);
}

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

.copy-all-btn {
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.copy-all-btn:hover {
    background: var(--primary-color);
    color: white;
}

.clear-all-btn {
    border-color: var(--accent-color);
    color: var(--accent-color);
}

.clear-all-btn:hover {
    background: var(--accent-color);
    color: white;
}

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

.copy-box-btn:disabled:hover {
    background: var(--surface-color);
    transform: none;
    box-shadow: none;
}

.btn-icon {
    font-size: 1rem;
    line-height: 1;
}

.btn-text {
    font-size: 0.9rem;
    line-height: 1;
}

.copy-box-content {
    min-height: 40px;
    max-height: 80px;
    overflow-y: auto;
    background: var(--background-color);
    border: 2px dashed var(--border-color);
    border-radius: calc(var(--border-radius) * 0.75);
    padding: 0.75rem 5.5rem 0.75rem 0.75rem;
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    align-items: center;
    justify-content: center;
    align-content: center;
    transition: var(--transition);
    cursor: pointer;
    flex: 1;
    position: relative;
}

.copy-box-placeholder {
    color: var(--text-muted);
    font-style: italic;
    font-size: 0.8rem;
    text-align: center;
    width: 100%;
}

.copy-box-content:not(.empty) .copy-box-placeholder {
    display: none;
}

.copy-box-content.has-emojis {
    justify-content: flex-start;
    align-items: flex-start;
    align-content: flex-start;    
}

.copy-box-item {
    background: white;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 0.5rem;
    cursor: pointer;
    transition: var(--transition);
    font-size: 1.2rem;
    position: relative;
}

.copy-box-item:hover {
    background: var(--hover-color);
    transform: scale(1.1);
}

.copy-box-item-remove {
    position: absolute;
    top: -5px;
    right: -5px;
    background: var(--danger-color, #dc3545);
    color: white;
    border: none;
    border-radius: 50%;
    width: 18px;
    height: 18px;
    font-size: 12px;
    font-weight: bold;
    cursor: pointer;
    display: none;
    line-height: 1;
    display: flex;
    align-items: center;
    justify-content: center;
}

.copy-box-item:hover .copy-box-item-remove {
    display: block;
}

.copy-box-clear-icon {
    position: absolute;
    top: 50%;
    right: 3.5rem;
    transform: translateY(-50%);
    background: transparent;
    color: var(--text-secondary);
    border: none;
    width: 32px;
    height: 32px;
    font-size: 1.2rem;
    font-weight: bold;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10;
    opacity: 0;
    visibility: hidden;
}

.copy-box-content.has-emojis .copy-box-clear-icon {
    opacity: 0.7;
    visibility: visible;
}

.copy-box-clear-icon:hover {
    color: var(--danger-color, #dc3545);
    opacity: 1;
    transform: translateY(-50%) scale(1.05);
}

.copy-box-integrated-icon {
    position: absolute;
    top: 50%;
    right: 0.75rem;
    transform: translateY(-50%);
    background: transparent;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
    border-radius: 6px;
    width: 36px;
    height: 36px;
    font-size: 1.3rem;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10;
}

.copy-box-integrated-icon:hover {
    background: var(--primary-color);
    color: white;
    transform: translateY(-50%) scale(1.05);
}

.copy-box-integrated-icon:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: translateY(-50%);
}

.copy-box-integrated-icon:disabled:hover {
    background: transparent;
    color: var(--primary-color);
    transform: translateY(-50%);
}

/* Copy Box Responsive */
@media (min-width: 1000px) {
    .copy-box-section.sticky-enabled {
        top: 125px;
    }
}



@media (max-width: 1084px) {
    .copy-box-section {
        padding: 1rem;
    }
    
    .copy-box-section.sticky-enabled {
        top: 125px;
    }
    
    .copy-box-content {
        max-height: 60px;
        min-height: 30px;
        padding: 0.5rem 4rem 0.5rem 0.5rem;
        align-items: center;
        align-content: center;
    }
    
    .copy-box-clear-icon {
        width: 28px;
        height: 28px;
        font-size: 0.9rem;
        right: 2.5rem;
    }
    
    .copy-box-integrated-icon {
        width: 32px;
        height: 32px;
        font-size: 1.1rem;
        right: 0.5rem;
    }
}

@media (max-width: 480px) {
    .copy-box-section.sticky-enabled {
        top: 172px;
    }
    
    .copy-box-btn {
        padding: 0.5rem 0.75rem;
        font-size: 0.8rem;
        width: 36px;
        height: 36px;
    }
    
    .copy-box-item {
        padding: 0.3rem 0.5rem;
        font-size: 1rem;
        display: flex;
        align-items: center;
        justify-content: center;
    }
    
    .copy-box-item-emoji {
        font-size: 1.4rem;
    }
}

/* Breadcrumb Navigation */
.breadcrumb {
    margin-bottom: 1rem;
    padding: 0.5rem 0;
}

.breadcrumb-list {
    display: flex;
    align-items: center;
    list-style: none;
    margin: 0;
    padding: 0;
    font-size: 0.75rem;
    color: var(--text-secondary);
}

.breadcrumb-item {
    display: flex;
    align-items: center;
}

.breadcrumb-item:not(:last-child)::after {
    content: '›';
    margin: 0 0.5rem;
    color: var(--text-muted);
    font-weight: 500;
}

.breadcrumb-link {
    color: var(--text-secondary);
    text-decoration: none;
    transition: var(--transition);
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
}

.breadcrumb-link:hover {
    color: var(--primary-color);
    background-color: var(--hover-color);
}

.breadcrumb-current {
    color: var(--text-primary);
    font-weight: 500;
    padding: 0.25rem 0.5rem;
}

/* Responsive breadcrumb */
@media (max-width: 768px) {
    .breadcrumb {
        margin-bottom: 0.75rem;
    }

    .breadcrumb-list {
        font-size: 0.8rem;
    }

    .breadcrumb-item:not(:last-child)::after {
        margin: 0 0.375rem;
    }

    .breadcrumb-link,
    .breadcrumb-current {
        padding: 0.2rem 0.375rem;
    }
}

/* Icon Detail Page Styles */
.icon-detail-content {
    max-width: 800px;
    margin: 0 auto;
    padding: 20px;
}

.icon-detail-header {
    text-align: center;
    margin-bottom: 40px;
}

.icon-display {
    margin-bottom: 20px;
}

.icon-large {
    font-size: 6rem;
    line-height: 1;
    display: block;
}

.icon-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 10px;
}

.icon-description {
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin: 0;
}

.icon-details {
    display: grid;
    gap: 30px;
}

.detail-section h2,
.copy-section h2 {
    font-size: 1.5rem;
    margin-bottom: 15px;
    color: var(--text-primary);
}

.detail-grid {
    display: grid;
    gap: 15px;
    grid-template-columns: 1fr;
}

.detail-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 15px;
    background: var(--background-color);
    border-radius: 8px;
    border: 1px solid var(--border-color);
}

.detail-label {
    font-weight: 600;
    color: var(--text-primary);
}

.detail-value {
    color: var(--text-secondary);
    font-family: monospace;
}

.copy-section {
    text-align: center;
}

.copy-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
}

.copy-btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 15px 30px;
    background: var(--primary-color);
    color: white;
    border: none;
    border-radius: var(--border-radius);
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    flex: 1;
    min-width: 200px;
    max-width: 300px;
}

.copy-btn:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.copy-btn.large {
    font-size: 1.3rem;
    padding: 20px 40px;
}

.copy-btn.copy-to-box {
    background: var(--accent-color);
}

.copy-btn.copy-to-box:hover {
    background: var(--accent-dark);
}

.copy-emoji {
    font-size: 1.5rem;
}

.copy-text {
    font-weight: 600;
}

/* Responsive Icon Detail */
@media (max-width: 768px) {
    .icon-detail-content {
        padding: 15px;
    }

    .icon-large {
        font-size: 4rem;
    }

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

    .icon-description {
        font-size: 1rem;
    }

    .detail-item {
        flex-direction: column;
        align-items: flex-start;
        gap: 5px;
    }

    .copy-btn.large {
        font-size: 1.1rem;
        padding: 15px 25px;
    }

    .copy-buttons {
        flex-direction: column;
        gap: 0.75rem;
    }

    .copy-btn {
        min-width: unset;
        max-width: unset;
        width: 100%;
    }
}