/* Import retro font from Google Fonts */
@import url('https://fonts.googleapis.com/css2?family=VT323&family=Space+Mono:wght@400;700&display=swap');

/* CSS Variables for theme */
:root[data-theme="light"] {
    --bg-color: #FFFFFF;
    --text-color: #000000;
    --accent-color: #8B0000;
    --border-color: #000000;
    --card-bg: #F5F5F5;
    --hover-bg: #E8E8E8;
}

:root[data-theme="dark"] {
    --bg-color: #2c3e50;
    --text-color: #FFFFFF;
    --accent-color: #8B0000;
    --border-color: #FFFFFF;
    --card-bg: #1A1A1A;
    --hover-bg: #2A2A2A;
}

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

body {
    font-family: 'Space Mono', monospace;
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.6;
    transition: background-color 0.3s ease, color 0.3s ease;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Navbar */
.navbar {
    background-color: var(--bg-color);
    border-bottom: 2px dotted var(--border-color);
    padding: 15px 0;
    position: sticky;
    top: 0;
    z-index: 1000;
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-brand a {
    text-decoration: none;
    color: var(--accent-color);
    font-family: 'VT323', monospace;
    font-size: 32px;
    font-weight: bold;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 15px;
    align-items: center;
    margin-left: 40px;
}

.nav-menu li a {
    text-decoration: none;
    color: var(--text-color);
    font-size: 14px;
    padding: 5px 10px;
    border: 1px solid transparent;
    transition: all 0.2s ease;
    white-space: nowrap;
}

.nav-menu li a:hover,
.nav-menu li a.active {
    border: 1px dotted var(--border-color);
    background-color: var(--hover-bg);
}

/* Nav separators for visual grouping */
.nav-separator {
    color: var(--border-color);
    opacity: 0.5;
    user-select: none;
    pointer-events: none;
    font-size: 14px;
    padding: 0 8px;
}

/* Nav Icons Container */
.nav-icons {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-left: 40px;
}

.nav-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    text-decoration: none;
    color: var(--text-color);
    transition: all 0.2s ease;
    opacity: 0.8;
}

.nav-icon:hover {
    opacity: 1;
    transform: translateY(-2px);
}

.nav-icon svg {
    display: block;
    width: 20px;
    height: 20px;
}

/* Theme Toggle */
.theme-toggle {
    background: var(--card-bg);
    border: 2px solid var(--border-color);
    padding: 8px 12px;
    cursor: pointer;
    font-size: 20px;
    transition: all 0.2s ease;
}

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

:root[data-theme="light"] .theme-toggle .moon {
    display: none;
}

:root[data-theme="dark"] .theme-toggle .sun {
    display: none;
}

/* Mobile Menu Toggle (Hamburger) */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    justify-content: space-around;
    width: 44px;
    height: 44px;
    background: transparent;
    border: 2px solid var(--border-color);
    cursor: pointer;
    padding: 8px;
    z-index: 1001;
    transition: all 0.3s ease;
}

.mobile-menu-toggle:hover {
    background: var(--hover-bg);
}

.hamburger-line {
    width: 100%;
    height: 3px;
    background-color: var(--text-color);
    transition: all 0.3s ease;
}

.mobile-menu-toggle.active .hamburger-line:nth-child(1) {
    transform: rotate(45deg) translate(8px, 8px);
}

.mobile-menu-toggle.active .hamburger-line:nth-child(2) {
    opacity: 0;
}

.mobile-menu-toggle.active .hamburger-line:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -7px);
}

/* Nav Wrapper for Desktop/Mobile Toggle */
.nav-wrapper {
    display: flex;
    align-items: center;
    gap: 20px;
    flex-direction: row;
}

/* Main Content */
.main-content {
    flex: 1;
    padding: 40px 0;
}

/* Retro Box/Widget Style */
.widget,
.card {
    background-color: var(--card-bg);
    border: 2px dashed var(--border-color);
    padding: 20px;
    margin-bottom: 20px;
    box-shadow: 4px 4px 0 var(--accent-color);
}

.widget-title {
    font-family: 'VT323', monospace;
    font-size: 24px;
    color: var(--accent-color);
    border-bottom: 2px dotted var(--border-color);
    padding-bottom: 10px;
    margin-bottom: 15px;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 10px 20px;
    background-color: var(--accent-color);
    color: #FFFFFF;
    text-decoration: none;
    border: 2px solid var(--accent-color);
    font-family: 'VT323', monospace;
    font-size: 18px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.btn:hover {
    background-color: var(--bg-color);
    color: var(--accent-color);
}

/* Links */
a {
    color: var(--accent-color);
    text-decoration: underline;
    transition: all 0.2s ease;
}

a:hover {
    text-decoration: none;
}

/* Footer */
.footer {
    background-color: var(--card-bg);
    border-top: 2px dotted var(--border-color);
    padding: 20px 0;
    margin-top: 40px;
    font-size: 14px;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 10px;
}

.visitor-counter {
    font-family: 'VT323', monospace;
    font-size: 18px;
    border: 1px solid var(--border-color);
    padding: 5px 15px;
    background-color: var(--bg-color);
}

.counter-label {
    color: var(--accent-color);
}

.counter-value {
    font-weight: bold;
}

.last-updated {
    text-align: center;
    font-size: 12px;
    opacity: 0.8;
}

.footer-buttons {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 10px;
    margin-top: 15px;
    flex-wrap: wrap;
}

.footer-buttons img {
    border: none;
    height: auto;
    max-height: 31px;
}

/* Grid Layout for Widgets */
.widgets-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
    margin-top: 30px;
}

/* Headings */
h1, h2, h3 {
    font-family: 'VT323', monospace;
    color: var(--accent-color);
    margin-bottom: 15px;
}

h1 {
    font-size: 48px;
}

h2 {
    font-size: 36px;
}

h3 {
    font-size: 28px;
}

/* Page Header (for title + action button layouts) */
.page-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    gap: 15px;
}

.page-header h1 {
    margin: 0;
    flex: 1;
}

/* Lists */
ul.styled-list {
    list-style: square;
    margin-left: 20px;
}

/* Blinking Cursor Effect for Retro Vibe */
.blink {
    animation: blink 1s infinite;
}

@keyframes blink {
    0%, 50% { opacity: 1; }
    51%, 100% { opacity: 0; }
}

/* Skeleton Loading States */
.skeleton {
    background: linear-gradient(
        90deg,
        var(--hover-bg) 25%,
        var(--card-bg) 50%,
        var(--hover-bg) 75%
    );
    background-size: 200% 100%;
    animation: skeleton-loading 1.5s infinite;
    border-radius: 4px;
}

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

.skeleton-line {
    height: 16px;
    margin: 10px 0;
    width: 100%;
}

.skeleton-line.short {
    width: 60%;
}

.skeleton-line.medium {
    width: 80%;
}

/* Code Blocks and Syntax Highlighting */
/* Wrapper for code block with copy button */
.code-block-wrapper {
    position: relative;
    margin: 20px 0;
}

/* Light theme: dark code blocks */
:root[data-theme="light"] pre {
    background-color: #1e1e1e;
    color: #d4d4d4;
    border: 2px dotted #000000;
    padding: 15px;
    padding-top: 45px;
    overflow-x: auto;
    font-family: 'Space Mono', monospace;
    font-size: 14px;
    line-height: 1.4;
    position: relative;
}

/* Dark theme: light code blocks */
:root[data-theme="dark"] pre {
    background-color: #f5f5f5;
    color: #1e1e1e;
    border: 2px dotted #FFFFFF;
    padding: 15px;
    padding-top: 45px;
    overflow-x: auto;
    font-family: 'Space Mono', monospace;
    font-size: 14px;
    line-height: 1.4;
    position: relative;
}

/* Inline code */
code {
    background-color: var(--hover-bg);
    padding: 2px 6px;
    border-radius: 3px;
    font-family: 'Space Mono', monospace;
    font-size: 14px;
}

pre code {
    background-color: transparent;
    padding: 0;
    border-radius: 0;
}

/* Copy button styling */
.copy-button {
    position: absolute;
    top: 8px;
    right: 8px;
    background-color: var(--accent-color);
    color: #FFFFFF;
    border: 2px solid var(--accent-color);
    padding: 6px 12px;
    font-family: 'VT323', monospace;
    font-size: 16px;
    cursor: pointer;
    transition: all 0.2s ease;
    z-index: 10;
}

.copy-button:hover {
    background-color: transparent;
}

:root[data-theme="light"] .copy-button:hover {
    color: #000000;
}

:root[data-theme="dark"] .copy-button:hover {
    color: #FFFFFF;
}

.copy-button.copied {
    background-color: #28a745;
    border-color: #28a745;
}

/* Language label */
.code-language {
    position: absolute;
    top: 8px;
    left: 8px;
    background-color: var(--accent-color);
    color: #FFFFFF;
    padding: 4px 10px;
    font-family: 'VT323', monospace;
    font-size: 14px;
    border: 1px solid var(--accent-color);
    z-index: 10;
}

/* Syntax highlighting overrides for light theme code blocks (dark background) */
:root[data-theme="light"] pre code.hljs {
    background-color: #1e1e1e !important;
    color: #d4d4d4 !important;
}

:root[data-theme="light"] pre .hljs-keyword,
:root[data-theme="light"] pre .hljs-selector-tag,
:root[data-theme="light"] pre .hljs-literal {
    color: #569cd6 !important;
}

:root[data-theme="light"] pre .hljs-string,
:root[data-theme="light"] pre .hljs-doctag {
    color: #ce9178 !important;
}

:root[data-theme="light"] pre .hljs-comment,
:root[data-theme="light"] pre .hljs-quote {
    color: #6a9955 !important;
}

:root[data-theme="light"] pre .hljs-number {
    color: #b5cea8 !important;
}

:root[data-theme="light"] pre .hljs-function,
:root[data-theme="light"] pre .hljs-title {
    color: #dcdcaa !important;
}

/* Syntax highlighting overrides for dark theme code blocks (light background) */
:root[data-theme="dark"] pre code.hljs {
    background-color: #f5f5f5 !important;
    color: #1e1e1e !important;
}

:root[data-theme="dark"] pre .hljs-keyword,
:root[data-theme="dark"] pre .hljs-selector-tag,
:root[data-theme="dark"] pre .hljs-literal {
    color: #0000ff !important;
}

:root[data-theme="dark"] pre .hljs-string,
:root[data-theme="dark"] pre .hljs-doctag {
    color: #a31515 !important;
}

:root[data-theme="dark"] pre .hljs-comment,
:root[data-theme="dark"] pre .hljs-quote {
    color: #008000 !important;
}

:root[data-theme="dark"] pre .hljs-number {
    color: #098658 !important;
}

:root[data-theme="dark"] pre .hljs-function,
:root[data-theme="dark"] pre .hljs-title {
    color: #795e26 !important;
}

/* Blockquotes */
blockquote {
    border-left: 4px solid var(--accent-color);
    padding-left: 20px;
    margin: 15px 0;
    font-style: italic;
    opacity: 0.9;
}

/* Images in content */
.card img,
.widget img {
    max-width: 100%;
    height: auto;
    border: 2px solid var(--border-color);
    margin: 15px 0;
}

/* ========================================
   RESPONSIVE DESIGN - MOBILE OPTIMIZED
   ======================================== */

/* Desktop View (> 768px) - Ensure proper layout */
@media (min-width: 769px) {
    .mobile-menu-toggle {
        display: none !important;
    }

    .nav-wrapper {
        position: static;
        flex-direction: row;
        width: auto;
        height: auto;
        background: transparent;
        border: none;
        padding: 0;
        overflow: visible;
    }

    .navbar .container {
        display: flex;
        flex-direction: row;
        justify-content: space-between;
        align-items: center;
    }

    .nav-menu {
        flex-direction: row;
        gap: 20px;
        width: auto;
    }

    .nav-menu li {
        border: none;
        width: auto;
    }

    .nav-menu li a {
        display: inline-block;
        padding: 5px 10px;
        font-size: 14px;
        min-height: auto;
    }

    .theme-toggle {
        width: auto;
        margin-top: 0;
    }
}

/* Very Small Phones (< 375px) */
@media (max-width: 374px) {
    .container {
        padding: 0 12px;
    }

    h1 {
        font-size: 32px;
    }

    h2 {
        font-size: 24px;
    }

    h3 {
        font-size: 20px;
    }

    .nav-brand a {
        font-size: 20px;
    }

    .widget,
    .card {
        padding: 12px;
        box-shadow: 2px 2px 0 var(--accent-color);
        border-width: 1px;
    }

    .btn {
        padding: 8px 16px;
        font-size: 16px;
    }
}

/* Small Phones (375px - 479px) */
@media (max-width: 479px) {
    h1 {
        font-size: 36px;
    }

    h2 {
        font-size: 28px;
    }

    h3 {
        font-size: 22px;
    }

    .nav-brand a {
        font-size: 24px;
    }

    .widget,
    .card {
        padding: 15px;
        box-shadow: 2px 2px 0 var(--accent-color);
        border-width: 1px;
    }

    .widgets-grid {
        gap: 15px;
    }

    /* Code blocks on small screens */
    pre {
        font-size: 12px;
        padding: 12px;
        padding-top: 40px;
    }

    .copy-button {
        padding: 4px 8px;
        font-size: 14px;
        top: 6px;
        right: 6px;
    }

    .code-language {
        font-size: 12px;
        padding: 3px 8px;
        top: 6px;
        left: 6px;
    }

    /* Footer adjustments */
    .visitor-counter {
        font-size: 16px;
        padding: 4px 12px;
    }

    .footer {
        padding: 15px 0;
        font-size: 13px;
    }
}

/* Large Phones (480px - 639px) */
@media (min-width: 480px) and (max-width: 639px) {
    .widgets-grid {
        grid-template-columns: 1fr;
    }

    pre {
        font-size: 13px;
    }
}

/* Small Tablets and Large Phones (640px - 767px) */
@media (min-width: 640px) and (max-width: 767px) {
    .widgets-grid {
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
        gap: 18px;
    }
}

/* Tablets and Below (< 768px) - Main Mobile Breakpoint */
@media (max-width: 768px) {
    /* Page Header - Stack on Mobile */
    .page-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
    }

    .page-header h1 {
        font-size: 36px;
    }

    .page-header .btn {
        width: 100%;
        text-align: center;
    }

    /* Navigation - Hamburger Menu */
    .navbar .container {
        position: relative;
    }

    .mobile-menu-toggle {
        display: flex;
    }

    .nav-wrapper {
        position: fixed;
        top: 0;
        right: -100%;
        width: 280px;
        height: 100vh;
        background-color: var(--bg-color);
        border-left: 2px solid var(--border-color);
        flex-direction: column;
        align-items: stretch;
        padding: 80px 20px 20px;
        gap: 0;
        z-index: 1000;
        transition: right 0.3s ease;
        overflow-y: auto;
    }

    .nav-wrapper.active {
        right: 0;
        box-shadow: -4px 0 10px rgba(0, 0, 0, 0.3);
    }

    .nav-menu {
        flex-direction: column;
        gap: 0;
        width: 100%;
    }

    .nav-menu li {
        width: 100%;
        border-bottom: 1px dotted var(--border-color);
    }

    .nav-menu li:last-child {
        border-bottom: none;
    }

    /* Hide separators on mobile menu */
    .nav-separator {
        display: none;
    }

    .nav-menu li a {
        display: block;
        width: 100%;
        padding: 16px 12px;
        font-size: 16px;
        min-height: 44px;
        display: flex;
        align-items: center;
    }

    .nav-menu li a:hover,
    .nav-menu li a.active {
        background-color: var(--hover-bg);
        border: none;
        border-left: 4px solid var(--accent-color);
    }

    .nav-icons {
        width: 100%;
        flex-direction: row;
        justify-content: center;
        gap: 24px;
        margin-top: 20px;
        margin-right: 0;
    }

    .nav-icon {
        font-size: 28px;
    }

    .nav-icon svg {
        width: 28px;
        height: 28px;
    }

    .theme-toggle {
        width: 100%;
        margin-top: 12px;
        padding: 12px;
        min-height: 44px;
        font-size: 24px;
        justify-content: center;
        display: flex;
    }

    /* Footer */
    .footer-content {
        flex-direction: column;
        gap: 12px;
        text-align: center;
    }

    /* Widgets Grid */
    .widgets-grid {
        grid-template-columns: 1fr;
    }

    /* Touch Optimization - Larger Buttons */
    .btn {
        padding: 12px 20px;
        min-height: 44px;
        display: inline-flex;
        align-items: center;
        justify-content: center;
    }

    /* Reduce aggressive styling on mobile */
    .widget,
    .card {
        box-shadow: 3px 3px 0 var(--accent-color);
    }

    /* Pagination */
    .pagination {
        display: flex;
        flex-direction: column;
        gap: 10px;
        text-align: center;
    }

    .pagination .btn {
        width: 100%;
    }

    /* Sticky navbar height optimization */
    .navbar {
        padding: 12px 0;
    }

    /* Improved scrolling for mobile */
    pre {
        -webkit-overflow-scrolling: touch;
    }

    /* RSS Widget scroll optimization */
    #rss-widget > div {
        max-height: 250px !important;
    }
}

/* Medium Tablets (769px - 1024px) */
@media (min-width: 769px) and (max-width: 1024px) {
    .container {
        max-width: 900px;
        padding: 0 30px;
    }

    .widgets-grid {
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    }
}

/* Landscape Orientation Adjustments */
@media (max-width: 768px) and (orientation: landscape) {
    .navbar {
        padding: 8px 0;
    }

    .nav-brand a {
        font-size: 24px;
    }

    .nav-wrapper {
        width: 320px;
    }

    .main-content {
        padding: 20px 0;
    }

    .widget,
    .card {
        padding: 15px;
    }

    h1 {
        font-size: 32px;
    }

    h2 {
        font-size: 24px;
    }
}

/* Overlay for mobile menu */
.mobile-menu-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 999;
    opacity: 0;
    transition: opacity 0.3s ease;
}

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

/* ===================================
   Pixel Music Widget Styles
   =================================== */

/* Drop zone for file upload */
.pm-drop-zone {
    border: 2px dashed var(--border-color);
    padding: 40px 20px;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
    background-color: var(--hover-bg);
    margin-bottom: 15px;
}

.pm-drop-zone:hover {
    border-color: var(--accent-color);
    background-color: var(--card-bg);
}

.pm-drop-zone.drag-over {
    border-color: var(--accent-color);
    background-color: var(--accent-color);
    color: #FFFFFF;
    transform: scale(1.02);
}

/* Preview canvas */
.pm-preview-canvas {
    display: block;
    margin: 15px auto;
    border: 2px solid var(--border-color);
    background-color: var(--bg-color);
    max-width: 100%;
    height: auto;
}

/* Controls container */
.pm-controls {
    display: flex;
    gap: 10px;
    justify-content: center;
    flex-wrap: wrap;
    margin: 15px 0;
}

.pm-controls .btn {
    margin: 0;
}

/* Audio player */
.pm-audio-player {
    width: 100%;
    margin: 15px 0;
    border: 2px solid var(--border-color);
    background-color: var(--bg-color);
}

/* Status messages */
.pm-status {
    padding: 12px;
    margin: 15px 0;
    border: 2px dotted var(--border-color);
    text-align: center;
    font-family: 'Space Mono', monospace;
    font-size: 14px;
    background-color: var(--hover-bg);
}

.pm-status-error {
    border-color: #cc0000;
    background-color: rgba(204, 0, 0, 0.1);
    color: #cc0000;
}

.pm-status-success {
    border-color: #008800;
    background-color: rgba(0, 136, 0, 0.1);
    color: #008800;
}

.pm-status-loading {
    border-color: var(--accent-color);
    background-color: rgba(139, 0, 0, 0.1);
    color: var(--accent-color);
    animation: pulse 1.5s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.6;
    }
}

/* Metadata display */
.pm-metadata {
    padding: 12px;
    margin: 15px 0;
    border: 2px dotted var(--border-color);
    background-color: var(--hover-bg);
    font-size: 13px;
    line-height: 1.6;
}

.pm-meta-content {
    font-family: 'Space Mono', monospace;
}

.pm-meta-content strong {
    color: var(--accent-color);
}

/* Mobile responsiveness */
@media (max-width: 479px) {
    .pm-drop-zone {
        padding: 30px 15px;
    }

    .pm-controls {
        flex-direction: column;
    }

    .pm-controls .btn {
        width: 100%;
    }
}