/* Custom styles to complement Tailwind CSS */

/* Import Inter font */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&display=swap');

/* Custom utilities for responsive design */
.line-clamp-1 {
    overflow: hidden;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 1;
}

.line-clamp-2 {
    overflow: hidden;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 2;
}

.line-clamp-3 {
    overflow: hidden;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 3;
}

/* Safe area support for mobile devices */
@supports (padding: max(0px)) {
    .pt-safe-top {
        padding-top: max(1rem, env(safe-area-inset-top));
    }
    
    .pb-safe-bottom {
        padding-bottom: max(1rem, env(safe-area-inset-bottom));
    }
    
    .pl-safe-left {
        padding-left: max(1rem, env(safe-area-inset-left));
    }
    
    .pr-safe-right {
        padding-right: max(1rem, env(safe-area-inset-right));
    }
}

/* Clean, simple background */
body {
    background-color: #fafafa;
    position: relative;
    min-height: 100vh;
    min-height: 100dvh;
}

/* Remove all fancy styling from content areas */
.max-w-4xl {
    background: transparent;
    box-shadow: none;
    border-radius: 0;
    margin: 0 auto;
    padding: 0;
    position: static;
}

.max-w-4xl::before,
.max-w-4xl::after {
    display: none;
}

/* Optimized Questrial Typography */
.prose {
    color: #333333;
    line-height: 1.75;
    font-size: 1.125rem;
    font-family: 'Questrial', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    font-weight: 400;
    letter-spacing: 0.01em;
}

/* Bengali text styling */
.prose *[lang="bn"], 
.prose .bengali,
.prose [data-lang="bn"] {
    font-family: 'Noto Sans Bengali', 'Questrial', system-ui, sans-serif;
    line-height: 1.8;
    font-weight: 400;
    letter-spacing: 0.02em;
}

/* Responsive prose sizing */
@media (min-width: 640px) {
    .prose {
        font-size: 1.25rem;
        line-height: 1.8;
    }
}

@media (min-width: 1024px) {
    .prose {
        font-size: 1.375rem;
        line-height: 1.8;
    }
}

.prose h1,
.prose h2,
.prose h3,
.prose h4,
.prose h5,
.prose h6 {
    color: #111827;
    font-weight: 700;
    margin-top: 2rem;
    margin-bottom: 1rem;
    line-height: 1.25;
}

.prose h1 {
    font-size: clamp(2rem, 4.5vw, 2.75rem);
    margin-top: 0;
    margin-bottom: 1.5rem;
    color: #000000;
    font-weight: 600;
    font-family: 'Questrial', system-ui, sans-serif;
    line-height: 1.2;
    letter-spacing: -0.02em;
}

.prose h2 {
    font-size: clamp(1.5rem, 3.5vw, 2rem);
    margin-top: 2.5rem;
    margin-bottom: 1rem;
    padding-bottom: 0.5rem;
    color: #000000;
    font-weight: 600;
    font-family: 'Questrial', system-ui, sans-serif;
    line-height: 1.3;
    letter-spacing: -0.01em;
}

.prose h3 {
    font-size: clamp(1.25rem, 3vw, 1.5rem);
    margin-top: 2rem;
    margin-bottom: 0.75rem;
    color: #000000;
    font-weight: 600;
    font-family: 'Questrial', system-ui, sans-serif;
    line-height: 1.4;
}

.prose h4 {
    font-size: clamp(1.125rem, 2.5vw, 1.375rem);
    margin-top: 1.5rem;
    margin-bottom: 0.5rem;
    color: #000000;
    font-weight: 600;
    font-family: 'Questrial', system-ui, sans-serif;
    line-height: 1.4;
}

/* Bengali headings */
.prose h1 *[lang="bn"],
.prose h2 *[lang="bn"],
.prose h3 *[lang="bn"],
.prose h4 *[lang="bn"] {
    font-family: 'Noto Sans Bengali', 'Questrial', system-ui, sans-serif;
    font-weight: 600;
}

.prose p {
    margin-top: 1.5rem;
    margin-bottom: 1.5rem;
    line-height: 1.8;
    font-weight: 400;
}

/* Better paragraph spacing */
@media (min-width: 640px) {
    .prose p {
        margin-top: 1.75rem;
        margin-bottom: 1.75rem;
    }
}

@media (min-width: 1024px) {
    .prose p {
        margin-top: 2rem;
        margin-bottom: 2rem;
    }
}

.prose a {
    color: #000000;
    text-decoration: underline;
    font-weight: 500;
    text-decoration-thickness: 1px;
    text-underline-offset: 2px;
    transition: color 0.2s ease;
}

.prose a:hover {
    color: #333333;
    text-decoration-thickness: 2px;
}

.prose strong {
    color: #111827;
    font-weight: 600;
}

.prose code {
    color: #111827;
    background-color: #f3f4f6;
    padding: 0.25rem 0.5rem;
    border-radius: 0.375rem;
    font-size: 0.875rem;
    font-family: 'JetBrains Mono', 'Monaco', 'Consolas', monospace;
}

.prose pre {
    color: #f9fafb;
    background-color: #1f2937;
    overflow-x: auto;
    font-weight: 400;
    font-size: 0.875rem;
    line-height: 1.7142857;
    margin-top: 1.7142857em;
    margin-bottom: 1.7142857em;
    border-radius: 0.75rem;
    padding: 1rem;
    /* Better mobile scrolling */
    -webkit-overflow-scrolling: touch;
}

@media (min-width: 640px) {
    .prose pre {
        padding: 1.5rem;
    }
}

.prose pre code {
    background-color: transparent;
    border-width: 0;
    border-radius: 0;
    padding: 0;
    font-weight: inherit;
    color: inherit;
    font-size: inherit;
    font-family: inherit;
    line-height: inherit;
}

.prose blockquote {
    font-weight: 400;
    font-style: italic;
    color: #444444;
    border-left: 4px solid #000000;
    margin: 2rem 0;
    padding-left: 1.5rem;
    font-size: 1.125rem;
    line-height: 1.8;
}

@media (min-width: 640px) {
    .prose blockquote {
        font-size: 1.25rem;
        padding-left: 2rem;
    }
}

.prose ul,
.prose ol {
    margin-top: 1.25rem;
    margin-bottom: 1.25rem;
    padding-left: 1.625rem;
}

.prose li {
    margin-top: 0.5rem;
    margin-bottom: 0.5rem;
}

.prose table {
    width: 100%;
    table-layout: auto;
    text-align: left;
    margin-top: 2em;
    margin-bottom: 2em;
    font-size: 0.875rem;
    line-height: 1.7142857;
}

.prose thead {
    border-bottom-width: 1px;
    border-bottom-color: #d1d5db;
}

.prose thead th {
    color: #111827;
    font-weight: 600;
    vertical-align: bottom;
    padding-right: 0.5714286em;
    padding-bottom: 0.5714286em;
    padding-left: 0.5714286em;
}

.prose tbody tr {
    border-bottom-width: 1px;
    border-bottom-color: #e5e7eb;
}

.prose tbody tr:last-child {
    border-bottom-width: 0;
}

.prose tbody td {
    vertical-align: baseline;
    padding-top: 0.5714286em;
    padding-right: 0.5714286em;
    padding-bottom: 0.5714286em;
    padding-left: 0.5714286em;
}

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

.animate-fade-in-up {
    animation: fadeInUp 0.6s ease-out;
}

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

/* Enhanced Typography Improvements */
body {
    font-family: 'Questrial', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    font-weight: 400;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
}

/* Better focus styles for accessibility */
a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible {
    outline: 2px solid #00aaff;
    outline-offset: 2px;
    border-radius: 4px;
    box-shadow: 0 0 0 4px rgba(0,170,255,0.1);
}

/* Enhanced code styling */
.prose code {
    font-family: 'JetBrains Mono', 'SF Mono', Monaco, Inconsolata, monospace;
    font-size: 0.875em;
    font-weight: 500;
    padding: 0.2em 0.4em;
    border-radius: 4px;
    background-color: #f5f5f5;
    color: #d63384;
}

.prose pre {
    font-family: 'JetBrains Mono', 'SF Mono', Monaco, Inconsolata, monospace;
    font-size: 0.875rem;
    line-height: 1.6;
    padding: 1.5rem;
    border-radius: 8px;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

@media (min-width: 640px) {
    .prose pre {
        font-size: 0.9375rem;
        padding: 2rem;
    }
}

/* Improved touch targets for mobile */
@media (max-width: 640px) {
    a, button, input, select, textarea {
        min-height: 44px;
        min-width: 44px;
    }
}

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

::-webkit-scrollbar-track {
    background: #f1f5f9;
}

::-webkit-scrollbar-thumb {
    background: #cbd5e1;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #94a3b8;
}

/* Remove all focus outlines for clean look */
a:focus,
button:focus {
    outline: none;
}

/* Hero section styles */
.hero-section {
    background-attachment: fixed;
    background-position: center;
    background-repeat: no-repeat;
    background-size: cover;
}

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

/* Enhanced Filter System Styles */
.topic-filter {
    transition: all 0.2s ease;
}

.topic-filter:not(.bg-cyan-500) {
    background-color: #f9fafb;
    color: #374151;
    border-color: #e5e7eb;
}

.topic-filter:not(.bg-cyan-500):hover {
    background-color: #f3f4f6;
    border-color: #d1d5db;
}

.topic-filter.bg-cyan-500 {
    background-color: #06b6d4;
    color: white;
    border-color: #06b6d4;
}

.topic-filter.bg-cyan-500:hover {
    background-color: #0891b2;
    border-color: #0891b2;
}

/* Sort button active states */
#sort-newest.bg-gray-100,
#sort-oldest.bg-gray-100 {
    background-color: #f3f4f6;
    border-color: #d1d5db;
    color: #374151;
}

/* Enhanced search input focus */
#search-input:focus {
    transform: translateY(-1px);
    box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
}

/* Print styles */
@media print {
    .no-print {
        display: none !important;
    }
    
    .prose {
        font-size: 12pt;
        line-height: 1.6;
    }
    
    .prose h1, .prose h2, .prose h3, .prose h4 {
        page-break-after: avoid;
    }
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    .prose a {
        text-decoration: underline;
        font-weight: 600;
    }
}

/* Reduced motion support */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    html {
        scroll-behavior: auto;
    }
}