/* CSS Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* Kalpurush Font Definition */
@font-face {
    font-family: 'kalpurush';
    src: url('https://banglafont.pages.dev/fonts/files/kalpurush.ttf') format('truetype');
    font-weight: normal;
    font-style: normal;
    font-display: swap;
}

:root {
    /* Light theme colors */
    --bg-primary: #ffffff;
    --bg-secondary: #f8fafc;
    --bg-tertiary: #f1f5f9;
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --text-muted: #64748b;
    --accent-primary: #3b82f6;
    --accent-secondary: #8b5cf6;
    --border-color: #e2e8f0;
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --gradient-primary: linear-gradient(135deg, #3b82f6 0%, #8b5cf6 100%);
    --gradient-secondary: linear-gradient(135deg, #f1f5f9 0%, #e2e8f0 100%);
}

/* Dark theme colors */
.dark-theme {
    --bg-primary: #0f172a;
    --bg-secondary: #1e293b;
    --bg-tertiary: #334155;
    --text-primary: #f8fafc;
    --text-secondary: #cbd5e1;
    --text-muted: #94a3b8;
    --accent-primary: #60a5fa;
    --accent-secondary: #a78bfa;
    --border-color: #475569;
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.3);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.3), 0 2px 4px -2px rgb(0 0 0 / 0.3);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.3), 0 4px 6px -4px rgb(0 0 0 / 0.3);
    --gradient-secondary: linear-gradient(135deg, #1e293b 0%, #334155 100%);
}

/* Base Typography */
body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--bg-primary);
    transition: background-color 0.3s ease, color 0.3s ease;
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* Header */
.header {
    background: var(--bg-primary);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(8px);
}

.nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 4rem;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.logo {
    font-size: 1.5rem;
}

.nav-brand h1 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.theme-toggle {
    background: none;
    border: 1px solid var(--border-color);
    border-radius: 0.5rem;
    padding: 0.5rem;
    cursor: pointer;
    transition: all 0.2s ease;
    color: var(--text-primary);
}

.theme-toggle:hover {
    background: var(--bg-secondary);
}

.github-link {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: var(--text-primary);
    color: var(--bg-primary);
    text-decoration: none;
    border-radius: 0.5rem;
    font-weight: 500;
    transition: opacity 0.2s ease;
}

.github-link:hover {
    opacity: 0.9;
}

/* Hero Section */
.hero {
    background: var(--gradient-secondary);
    padding: 4rem 0;
    text-align: center;
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

.hero-title {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 1rem;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.5rem;
    color: var(--text-secondary);
    margin-bottom: 1rem;
}

.hero-description {
    font-size: 1.125rem;
    color: var(--text-muted);
    margin-bottom: 3rem;
    line-height: 1.7;
}

/* Installation Section */
.install-section {
    background: var(--bg-primary);
    border-radius: 1rem;
    padding: 2rem;
    box-shadow: var(--shadow-lg);
    margin-top: 2rem;
}

.install-section h3 {
    font-size: 1.25rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.install-command {
    display: flex;
    align-items: center;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 0.5rem;
    padding: 1rem;
    margin-bottom: 1rem;
    font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
}

.install-command code {
    flex: 1;
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 0.875rem;
}

.copy-btn {
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.25rem;
    font-size: 1rem;
    transition: opacity 0.2s ease;
}

.copy-btn:hover {
    opacity: 0.7;
}

.install-options {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

.download-btn, .manual-link {
    padding: 0.5rem 1rem;
    border-radius: 0.5rem;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.2s ease;
}

.download-btn {
    background: var(--accent-primary);
    color: white;
}

.download-btn:hover {
    opacity: 0.9;
}

.manual-link {
    background: var(--bg-secondary);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.manual-link:hover {
    background: var(--bg-tertiary);
}

/* Statistics Section */
.stats-section {
    padding: 3rem 0;
    background: var(--bg-secondary);
}

.stats-box {
    background: var(--bg-primary);
    border-radius: 1.5rem;
    padding: 2.5rem;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
    animation: slideInUp 0.6s ease-out;
}

.stats-box:hover {
    transform: translateY(-2px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

.stats-title {
    text-align: center;
    font-size: 1.75rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 2rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
}

.stat-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1.5rem;
    background: var(--bg-secondary);
    border-radius: 1rem;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

.stat-item:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
    border-color: var(--accent-primary);
}

.stat-icon {
    font-size: 2rem;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 3rem;
    height: 3rem;
    background: var(--accent-primary);
    border-radius: 0.75rem;
    color: white;
}

.stat-content {
    flex: 1;
    min-width: 0;
}

.stat-number {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--accent-primary);
    margin-bottom: 0.25rem;
    line-height: 1;
    transition: all 0.3s ease;
}

.stat-label {
    font-size: 0.875rem;
    color: var(--text-muted);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Responsive adjustments for stats */
@media (max-width: 768px) {
    .stats-grid {
        grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
        gap: 1rem;
    }
    
    .stat-item {
        padding: 1rem;
        gap: 0.75rem;
    }
    
    .stat-icon {
        font-size: 1.5rem;
        width: 2.5rem;
        height: 2.5rem;
    }
    
    .stat-number {
        font-size: 1.25rem;
    }
    
    .stats-title {
        font-size: 1.5rem;
    }
}

/* Stats animations */
@keyframes slideInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes countUp {
    from {
        opacity: 0;
        transform: scale(0.8);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

/* Font Preview Section */
.font-preview {
    padding: 4rem 0;
    background: var(--bg-primary);
}

.font-preview h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: var(--text-primary);
}

.preview-controls {
    background: var(--bg-secondary);
    border-radius: 1rem;
    padding: 2rem;
    margin-bottom: 3rem;
    box-shadow: var(--shadow-md);
}

.input-group, .control-group {
    margin-bottom: 1.5rem;
}

.input-group:last-child,
.control-group:last-child {
    margin-bottom: 0;
}

.input-group label,
.control-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: var(--text-primary);
}

.input-group input[type="text"] {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: 0.5rem;
    background: var(--bg-primary);
    color: var(--text-primary);
    font-size: 1rem;
}

.control-group {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.control-group input[type="range"] {
    flex: 1;
}

#font-size-value {
    min-width: 3rem;
    font-weight: 500;
    color: var(--text-secondary);
}

/* Font Selector Section */
.font-selector-section {
    background: var(--bg-secondary);
    border-radius: 1rem;
    padding: 2rem;
    margin-bottom: 2rem;
    box-shadow: var(--shadow-md);
}

.font-selector {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: 0.5rem;
    background: var(--bg-primary);
    color: var(--text-primary);
    font-size: 1rem;
    cursor: pointer;
}

.font-selector:focus {
    outline: none;
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

/* Font Preview Display */
.font-preview-display {
    background: var(--bg-secondary);
    border-radius: 1rem;
    padding: 3rem 2rem;
    margin-bottom: 3rem;
    box-shadow: var(--shadow-md);
    text-align: center;
    min-height: 150px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.selected-font-preview {
    width: 100%;
}

.loading-spinner {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    color: var(--text-muted);
}

.spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--border-color);
    border-top: 3px solid var(--accent-primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.preview-text-display {
    font-size: 24px;
    line-height: 1.4;
    color: var(--text-primary);
    word-wrap: break-word;
    transition: opacity 0.3s ease;
    font-family: 'kalpurush', 'Noto Sans Bengali', 'SolaimanLipi', serif;
}

/* Font List Section */
.font-list-section {
    margin-top: 4rem;
}

.font-list-section h3 {
    font-size: 1.5rem;
    margin-bottom: 2rem;
    color: var(--text-primary);
    text-align: center;
}

/* Font List Grid Layout */
.font-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 1.5rem;
}

.font-item {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 1rem;
    padding: 2rem;
    transition: all 0.3s ease;
}

.font-item:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

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

.font-name-section {
    flex: 1;
}

.font-name {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.25rem;
}

.font-meta {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    font-size: 0.875rem;
    color: var(--text-muted);
}

.font-filename {
    font-family: 'Courier New', monospace;
    background: var(--bg-tertiary);
    padding: 0.125rem 0.375rem;
    border-radius: 0.25rem;
}

.font-author {
    font-style: italic;
}

.font-size-badge {
    font-size: 0.875rem;
    color: var(--text-muted);
    background: var(--bg-tertiary);
    padding: 0.25rem 0.5rem;
    border-radius: 0.25rem;
    white-space: nowrap;
}

.font-downloads {
    color: var(--accent-primary);
    font-weight: 500;
}

.font-license {
    font-size: 0.875rem;
    color: var(--text-muted);
    background: var(--bg-tertiary);
    padding: 0.25rem 0.5rem;
    border-radius: 0.25rem;
    white-space: nowrap;
}

.font-metadata {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.metadata-item {
    font-size: 0.8rem;
    color: var(--text-muted);
    background: var(--bg-tertiary);
    padding: 0.25rem 0.5rem;
    border-radius: 0.375rem;
    border: 1px solid var(--border-color);
}

.font-description {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 1rem;
    line-height: 1.5;
    font-style: italic;
}

.font-preview-text {
    font-size: 24px;
    line-height: 1.5;
    color: var(--text-primary);
    margin-bottom: 1rem;
    min-height: 2em;
    word-wrap: break-word;
}

.font-actions {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.font-btn {
    padding: 0.5rem 1rem;
    border: 1px solid var(--border-color);
    border-radius: 0.5rem;
    background: var(--bg-primary);
    color: var(--text-primary);
    text-decoration: none;
    font-size: 0.875rem;
    font-weight: 500;
    transition: all 0.2s ease;
    cursor: pointer;
}

.font-btn:hover {
    background: var(--bg-tertiary);
}

.font-btn.primary {
    background: var(--accent-primary);
    color: white;
    border-color: var(--accent-primary);
}

.font-btn.primary:hover {
    opacity: 0.9;
}

/* Manual Install Section */
.manual-install {
    padding: 4rem 0;
    background: var(--bg-secondary);
}

.manual-install h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: var(--text-primary);
}

.install-methods {
    display: grid;
    gap: 2rem;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.install-method {
    background: var(--bg-primary);
    border-radius: 1rem;
    padding: 2rem;
    box-shadow: var(--shadow-md);
}

.install-method h3 {
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.code-block {
    position: relative;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 0.5rem;
    padding: 1rem;
    font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
    font-size: 0.875rem;
    line-height: 1.5;
    overflow-x: auto;
}

.code-block code {
    color: var(--text-primary);
}

.code-block .copy-btn {
    position: absolute;
    top: 0.5rem;
    right: 0.5rem;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 0.25rem;
    padding: 0.25rem 0.5rem;
}

.install-method ul {
    list-style: none;
    padding-left: 0;
}

.install-method li {
    margin-bottom: 0.5rem;
    padding-left: 1.5rem;
    position: relative;
}

.install-method li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--accent-primary);
    font-weight: bold;
}

.install-method code {
    background: var(--bg-tertiary);
    padding: 0.125rem 0.25rem;
    border-radius: 0.25rem;
    font-size: 0.875rem;
}

/* Available Fonts Section */


.font-card h3 {
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.font-card .font-meta {
    font-size: 0.875rem;
    color: var(--text-muted);
    margin-bottom: 1rem;
}

.font-card .font-sample {
    font-size: 1.125rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
    min-height: 1.5em;
}

/* Uninstall Section */
.uninstall-section {
    padding: 4rem 0;
    background: var(--bg-secondary);
    text-align: center;
}

.uninstall-section h2 {
    font-size: 2rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.uninstall-section p {
    color: var(--text-secondary);
    margin-bottom: 2rem;
}

.small-text {
    font-size: 0.875rem;
    color: var(--text-muted);
    margin-top: 1rem;
}

/* Footer */
.footer {
    background: var(--bg-tertiary);
    padding: 3rem 0 1rem;
    border-top: 1px solid var(--border-color);
}

.footer-content {
    display: grid;
    gap: 2rem;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    margin-bottom: 2rem;
}

.footer-section h3 {
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.footer-section h4 {
    margin-bottom: 0.75rem;
    color: var(--text-primary);
    font-size: 1rem;
}

.footer-section p {
    color: var(--text-secondary);
    line-height: 1.6;
}

.footer-section ul {
    list-style: none;
}

.footer-section li {
    margin-bottom: 0.5rem;
}

.footer-section a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color 0.2s ease;
}

.footer-section a:hover {
    color: var(--accent-primary);
}

.footer-bottom {
    border-top: 1px solid var(--border-color);
    padding-top: 1rem;
    text-align: center;
}

.footer-bottom p {
    color: var(--text-muted);
    font-size: 0.875rem;
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1.25rem;
    }
    
    .nav-brand h1 {
        display: none;
    }
    
    .install-command {
        flex-direction: column;
        gap: 0.5rem;
    }
    
    .install-command code {
        word-break: break-all;
    }
    
    .control-group {
        flex-direction: column;
        align-items: stretch;
    }
    
    .fonts-grid {
        grid-template-columns: 1fr;
    }
    
    .install-methods {
        grid-template-columns: 1fr;
    }
}

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

.font-item,
.font-card,
.install-method {
    animation: fadeIn 0.6s ease-out;
}

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

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

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

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

/* Focus States */
button:focus,
input:focus,
a:focus {
    outline: 2px solid var(--accent-primary);
    outline-offset: 2px;
}

/* Loading States */
.loading {
    opacity: 0.6;
    pointer-events: none;
    position: relative;
}

.font-item.loading .font-preview-text {
    background: linear-gradient(90deg, var(--bg-tertiary) 25%, var(--bg-secondary) 50%, var(--bg-tertiary) 75%);
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite;
    border-radius: 0.25rem;
    color: transparent;
    min-height: 2em;
}

@keyframes shimmer {
    0% {
        background-position: -200% 0;
    }
    100% {
        background-position: 200% 0;
    }
}

.font-preview-text {
    transition: opacity 0.5s ease-in, color 0.3s ease;
}

/* Success/Error States */
.copy-success {
    background: #10b981 !important;
    color: white !important;
}

.copy-error {
    background: #ef4444 !important;
    color: white !important;
}

.font-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.font-btn.downloading {
    background: var(--accent-primary);
    color: white;
    animation: pulse 1s infinite;
}

@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.7;
    }
}