/* Custom Styles for CoinMarketCap Clone - Optimized for Performance */

/* Smooth Transitions */
* {
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* GPU Acceleration for Smooth Animations */
.crypto-table-row {
    transform: translateZ(0);
    backface-visibility: hidden;
    -webkit-backface-visibility: hidden;
    will-change: transform, background-color;
    transition: background-color 0.15s ease, transform 0.1s ease;
}

.crypto-table-row:hover {
    transform: translateZ(0) scale(1.01);
}

.crypto-table-row:active {
    transform: translateZ(0) scale(0.99);
}

/* Smooth Price Updates with Animation Effects */
.price-update {
    transition: color 0.3s ease, opacity 0.2s ease, transform 0.2s ease;
    will-change: contents, transform;
    position: relative;
}

.price-update.updating {
    opacity: 0.7;
}

/* Price Increase Animation */
@keyframes priceUp {
    0% {
        transform: translateY(0) scale(1);
        color: inherit;
    }
    50% {
        transform: translateY(-2px) scale(1.05);
        color: #10b981;
    }
    100% {
        transform: translateY(0) scale(1);
        color: #10b981;
    }
}

/* Price Decrease Animation */
@keyframes priceDown {
    0% {
        transform: translateY(0) scale(1);
        color: inherit;
    }
    50% {
        transform: translateY(2px) scale(1.05);
        color: #ef4444;
    }
    100% {
        transform: translateY(0) scale(1);
        color: #ef4444;
    }
}

/* Pulse effect for price changes */
@keyframes pricePulse {
    0%, 100% {
        box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.4);
    }
    50% {
        box-shadow: 0 0 0 4px rgba(16, 185, 129, 0);
    }
}

.price-update.price-increase {
    animation: priceUp 0.6s ease-out;
    color: #10b981;
}

.price-update.price-decrease {
    animation: priceDown 0.6s ease-out;
    color: #ef4444;
}

/* Flash effect for significant changes */
.price-update.price-flash {
    animation: pricePulse 0.8s ease-out;
}

/* Smooth number transition */
.price-number {
    display: inline-block;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Arrow animation for changes */
.change-arrow {
    display: inline-block;
    transition: transform 0.3s ease;
}

.change-arrow.up {
    animation: arrowUp 0.5s ease-out;
}

.change-arrow.down {
    animation: arrowDown 0.5s ease-out;
}

@keyframes arrowUp {
    0% {
        transform: translateY(0) rotate(0deg);
    }
    50% {
        transform: translateY(-3px) rotate(0deg);
    }
    100% {
        transform: translateY(0) rotate(0deg);
    }
}

@keyframes arrowDown {
    0% {
        transform: translateY(0) rotate(180deg);
    }
    50% {
        transform: translateY(3px) rotate(180deg);
    }
    100% {
        transform: translateY(0) rotate(180deg);
    }
}

/* Background flash for row */
.crypto-table-row.price-changed {
    background-color: rgba(16, 185, 129, 0.05) !important;
    animation: rowFlash 0.8s ease-out;
}

.crypto-table-row.price-changed.decrease {
    background-color: rgba(239, 68, 68, 0.05) !important;
}

@keyframes rowFlash {
    0%, 100% {
        background-color: transparent;
    }
    50% {
        background-color: rgba(16, 185, 129, 0.1);
    }
}

/* Lazy Loading Images */
img.lazy-load {
    opacity: 0;
    transition: opacity 0.3s ease;
}

img.lazy-load.loaded {
    opacity: 1;
}

/* Smooth Page Transitions */
body {
    transition: background-color 0.3s ease, color 0.3s ease;
}

/* Optimize Table Rendering */
table {
    contain: layout style paint;
}

/* Smooth Scroll */
html {
    scroll-behavior: smooth;
}

/* Reduce Layout Shifts */
.crypto-table-row td {
    contain: layout style;
}

/* Performance: Reduce Repaints */
.crypto-table-row {
    contain: layout style paint;
}

/* Smooth Loading States */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in {
    animation: fadeIn 0.3s ease-out;
}

/* Optimize Hover Effects */
.crypto-table-row {
    transition: background-color 0.15s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Custom Styles for CoinMarketCap Clone */

:root {
    --primary-color: #3b82f6;
    --secondary-color: #8b5cf6;
    --success-color: #10b981;
    --danger-color: #ef4444;
    --warning-color: #f59e0b;
}

* {
    transition: background-color 0.3s ease, color 0.3s ease;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

/* Smooth Scrolling */
html {
    scroll-behavior: smooth;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: #f1f1f1;
}

::-webkit-scrollbar-thumb {
    background: #888;
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: #555;
}

.dark ::-webkit-scrollbar-track {
    background: #1f2937;
}

.dark ::-webkit-scrollbar-thumb {
    background: #4b5563;
}

/* Table Styles */
table {
    border-collapse: separate;
    border-spacing: 0;
}

table thead th {
    position: sticky;
    top: 0;
    z-index: 10;
}

table tbody tr {
    transition: background-color 0.2s ease;
}

table tbody tr:hover {
    background-color: rgba(59, 130, 246, 0.05);
}

.dark table tbody tr:hover {
    background-color: rgba(59, 130, 246, 0.1);
}

/* Coin Card Styles */
.coin-card {
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.coin-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
}

.dark .coin-card:hover {
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.3);
}

/* Price Change Colors */
.price-up {
    color: var(--success-color);
}

.price-down {
    color: var(--danger-color);
}

.price-neutral {
    color: #6b7280;
}

/* Chart Container */
.chart-container {
    position: relative;
    height: 400px;
    width: 100%;
}

/* Loading Animation */
.loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid rgba(59, 130, 246, 0.3);
    border-radius: 50%;
    border-top-color: var(--primary-color);
    animation: spin 1s ease-in-out infinite;
}

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

/* Download Button Animation */
.download-btn {
    position: relative;
    overflow: hidden;
}

.download-btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.download-btn:active::before {
    width: 300px;
    height: 300px;
}

/* News Card Styles */
.news-card {
    transition: transform 0.2s ease;
}

.news-card:hover {
    transform: scale(1.02);
}

/* Filter Button Active State */
.filter-btn.active,
.news-category.active,
.chart-period.active {
    background-color: var(--primary-color) !important;
    color: white !important;
}

/* ============================================
   RESPONSIVE DESIGN - COMPREHENSIVE FIXES
   ============================================ */

/* Mobile First Approach */
@media (max-width: 640px) {
    /* Hide table on mobile, show cards instead */
    .crypto-table-container {
        display: none;
    }
    
    .crypto-cards-container {
        display: block;
    }
    
    /* Card View for Mobile */
    .crypto-card-mobile {
        background: white;
        border-radius: 0.75rem;
        padding: 1rem;
        margin-bottom: 1rem;
        box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
        border: 1px solid #e5e7eb;
        transition: all 0.2s ease;
    }
    
    .dark .crypto-card-mobile {
        background: #1f2937;
        border-color: #374151;
    }
    
    .crypto-card-mobile:hover {
        transform: translateY(-2px);
        box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    }
    
    .crypto-card-header {
        display: flex;
        align-items: center;
        justify-content: space-between;
        margin-bottom: 0.75rem;
        padding-bottom: 0.75rem;
        border-bottom: 1px solid #e5e7eb;
    }
    
    .dark .crypto-card-header {
        border-bottom-color: #374151;
    }
    
    .crypto-card-name {
        display: flex;
        align-items: center;
        gap: 0.75rem;
    }
    
    .crypto-card-rank {
        font-size: 0.875rem;
        color: #6b7280;
        font-weight: 600;
    }
    
    .crypto-card-price {
        font-size: 1.25rem;
        font-weight: 700;
        color: #111827;
    }
    
    .dark .crypto-card-price {
        color: #f9fafb;
    }
    
    .crypto-card-stats {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: 0.75rem;
        margin-top: 0.75rem;
    }
    
    .crypto-card-stat {
        display: flex;
        flex-direction: column;
    }
    
    .crypto-card-stat-label {
        font-size: 0.75rem;
        color: #6b7280;
        margin-bottom: 0.25rem;
    }
    
    .crypto-card-stat-value {
        font-size: 0.875rem;
        font-weight: 600;
        color: #111827;
    }
    
    .dark .crypto-card-stat-value {
        color: #f9fafb;
    }
    
    /* Navigation Mobile */
    nav .container {
        padding: 0 1rem;
    }
    
    nav .hidden.md\:flex {
        display: none !important;
    }
    
    /* Market Stats Mobile */
    .market-stats {
        grid-template-columns: repeat(2, 1fr) !important;
        gap: 0.75rem !important;
    }
    
    .market-stat {
        padding: 0.75rem !important;
    }
    
    /* Hero Section Mobile */
    .hero-section h1 {
        font-size: 2rem !important;
    }
    
    .hero-section p {
        font-size: 1rem !important;
    }
    
    /* Pagination Mobile */
    .pagination-container {
        flex-direction: column;
        gap: 0.75rem;
        align-items: stretch;
    }
    
    .pagination-container button {
        width: 100%;
    }
}

/* Tablet View */
@media (min-width: 641px) and (max-width: 1024px) {
    /* Show table but with horizontal scroll */
    .crypto-table-container {
        display: block;
    }
    
    .crypto-cards-container {
        display: none;
    }
    
    table {
        font-size: 0.875rem;
        min-width: 1000px;
    }
    
    table th,
    table td {
        padding: 0.75rem 0.5rem;
    }
    
    /* Hide some less important columns on tablet */
    table th:nth-child(8),
    table td:nth-child(8) {
        display: none; /* Hide Circulating Supply */
    }
    
    /* Market Stats Tablet */
    .market-stats {
        grid-template-columns: repeat(3, 1fr) !important;
    }
}

/* Desktop View */
@media (min-width: 1025px) {
    .crypto-table-container {
        display: block;
    }
    
    .crypto-cards-container {
        display: none;
    }
    
    table {
        font-size: 0.875rem;
    }
    
    table th,
    table td {
        padding: 0.75rem 1rem;
    }
}

/* Large Desktop */
@media (min-width: 1440px) {
    table {
        font-size: 1rem;
    }
    
    table th,
    table td {
        padding: 1rem 1.25rem;
    }
}

/* Extra Large Screens */
@media (min-width: 1920px) {
    .container {
        max-width: 1800px;
    }
}

/* Landscape Mobile */
@media (max-width: 896px) and (orientation: landscape) {
    .crypto-table-container {
        display: block;
    }
    
    .crypto-cards-container {
        display: none;
    }
    
    table {
        font-size: 0.75rem;
        min-width: 900px;
    }
}

/* Print Styles */
@media print {
    .crypto-cards-container,
    nav,
    footer,
    .no-print {
        display: none !important;
    }
    
    .crypto-table-container {
        display: block !important;
    }
    
    table {
        font-size: 0.75rem;
    }
}

/* Responsive Table - Enhanced */
@media (max-width: 768px) {
    table {
        font-size: 0.875rem;
    }
    
    table th,
    table td {
        padding: 0.5rem;
    }
    
    /* Make table scrollable horizontally */
    .overflow-x-auto {
        -webkit-overflow-scrolling: touch;
        scrollbar-width: thin;
    }
}

/* Gradient Text */
.gradient-text {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Badge Styles */
.badge {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 600;
}

.badge-success {
    background-color: rgba(16, 185, 129, 0.1);
    color: var(--success-color);
}

.badge-danger {
    background-color: rgba(239, 68, 68, 0.1);
    color: var(--danger-color);
}

.badge-warning {
    background-color: rgba(245, 158, 11, 0.1);
    color: var(--warning-color);
}

/* Tooltip */
.tooltip {
    position: relative;
}

.tooltip:hover::after {
    content: attr(data-tooltip);
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%);
    padding: 0.5rem;
    background-color: #1f2937;
    color: white;
    border-radius: 0.375rem;
    font-size: 0.875rem;
    white-space: nowrap;
    z-index: 50;
    margin-bottom: 0.5rem;
}

/* Animation Classes */
.fade-in {
    animation: fadeIn 0.5s ease-in;
}

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

.slide-in {
    animation: slideIn 0.5s ease-out;
}

@keyframes slideIn {
    from {
        transform: translateX(-100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

/* Mobile Menu */
@media (max-width: 768px) {
    .mobile-menu {
        display: none;
    }
    
    .mobile-menu.active {
        display: block;
    }
}

/* Search Input Focus */
input:focus,
textarea:focus,
select:focus {
    outline: none;
    ring: 2px;
    ring-color: var(--primary-color);
}

/* Custom Checkbox and Radio */
input[type="checkbox"],
input[type="radio"] {
    accent-color: var(--primary-color);
}

/* Print Styles */
@media print {
    nav,
    footer,
    .no-print {
        display: none;
    }
}

/* Cookie Consent Banner Styles */
#cookieConsentBanner {
    animation: slideUp 0.3s ease-out;
}

@keyframes slideUp {
    from {
        transform: translateY(100%);
    }
    to {
        transform: translateY(0);
    }
}

#cookieConsentBanner button {
    transition: all 0.3s ease;
}

#cookieConsentBanner button:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
}

/* Cookie Settings Modal */
#cookieSettingsModal {
    animation: fadeIn 0.3s ease-out;
}

#cookieSettingsModal .bg-white,
#cookieSettingsModal .dark\:bg-gray-800 {
    animation: slideDown 0.3s ease-out;
}

@keyframes slideDown {
    from {
        transform: translateY(-50px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

/* Newsletter Form Styles */
.newsletter-form input:focus {
    box-shadow: 0 0 0 3px rgba(255, 255, 255, 0.3);
}

.newsletter-form button:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.newsletter-notification {
    animation: slideDownNotification 0.3s ease-out;
}

@keyframes slideDownNotification {
    from {
        transform: translate(-50%, -100%);
        opacity: 0;
    }
    to {
        transform: translate(-50%, 0);
        opacity: 1;
    }
}

/* Newsletter Section Gradient Animation */
.bg-gradient-to-br {
    background-size: 200% 200%;
    animation: gradientShift 15s ease infinite;
}

@keyframes gradientShift {
    0% {
        background-position: 0% 50%;
    }
    50% {
        background-position: 100% 50%;
    }
    100% {
        background-position: 0% 50%;
    }
}

/* Responsive Newsletter */
@media (max-width: 768px) {
    .newsletter-form {
        flex-direction: column;
    }
    
    .newsletter-form button {
        width: 100%;
    }
    
    #cookieConsentBanner .flex {
        flex-direction: column;
        text-align: center;
    }
    
    #cookieConsentBanner button {
        width: 100%;
        margin: 0.25rem 0;
    }
}

/* Coin Logo Styles */
img[alt*="logo"] {
    object-fit: contain;
    background: transparent;
}

/* Table Row Hover Effect */
table tbody tr {
    transition: background-color 0.15s ease;
}

table tbody tr:hover {
    background-color: rgba(59, 130, 246, 0.05) !important;
}

.dark table tbody tr:hover {
    background-color: rgba(59, 130, 246, 0.1) !important;
}

/* Mini Chart Container */
.mini-chart {
    display: block;
    width: 100%;
    height: 100%;
}

/* Watchlist and Alert Buttons */
.fa-star,
.fa-bell {
    transition: all 0.2s ease;
}

.fa-star:hover,
.fa-bell:hover {
    transform: scale(1.2);
}

/* OS Error Overlay Styles */
#osErrorOverlay {
    animation: fadeIn 0.3s ease-out;
}

#osErrorOverlay .bg-white,
#osErrorOverlay .dark\:bg-gray-800 {
    animation: slideDown 0.4s ease-out;
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@keyframes slideDown {
    from {
        transform: translateY(-50px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

/* Prevent interaction when OS error is shown */
body:has(#osErrorOverlay) {
    overflow: hidden !important;
    pointer-events: none !important;
}

body:has(#osErrorOverlay) * {
    pointer-events: none !important;
}

body:has(#osErrorOverlay) #osErrorOverlay,
body:has(#osErrorOverlay) #osErrorOverlay * {
    pointer-events: auto !important;
}

/* Popup Notification Animations */
@keyframes slideInBounce {
    0% {
        transform: translateY(-100px) scale(0.8);
        opacity: 0;
    }
    60% {
        transform: translateY(10px) scale(1.05);
        opacity: 0.9;
    }
    100% {
        transform: translateY(0) scale(1);
        opacity: 1;
    }
}

@keyframes slideOut {
    0% {
        transform: translateY(0) scale(1);
        opacity: 1;
    }
    100% {
        transform: translateY(-50px) scale(0.9);
        opacity: 0;
    }
}

/* Popup Overlay Backdrop */
#cmcDownloadPopup::before {
    content: '';
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
    pointer-events: auto;
}

#cmcDownloadPopup > div {
    position: relative;
    z-index: 1;
}

/* Theme Menu Styles */
#themeMenu {
    animation: slideDown 0.3s ease-out;
}

#themeMenu button {
    transition: all 0.2s ease;
}

#themeMenu button:hover {
    transform: translateX(-4px);
}

/* YouTube Video Responsive */
iframe[src*="youtube"] {
    border-radius: 0.75rem;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
}

.dark iframe[src*="youtube"] {
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.3);
}

/* Popup Hover Effects */
#cmcDownloadPopup button:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.15);
}

/* Responsive Popup */
@media (max-width: 640px) {
    #cmcDownloadPopup {
        padding: 1rem;
    }
    
    #cmcDownloadPopup .max-w-md {
        max-width: 100%;
    }
}