:root {
    --bg-page: #F8FAFC;
    --bg-hero-start: #FFF5F5;
    --bg-hero-end: #FEF2F2;
    --bg-card: #FFFFFF;
    --primary-accent: #FF0000;
    --primary-accent-light: #FFE5E5;
    --text-dark: #1E293B;
    --text-medium: #475569;
    --text-light: #94A3B8;
    --border-color: #E2E8F0;
    --error-bg: #FEF2F2;
    --error-text: #DC2626;
    --warning-bg: #FFFBEB;
    --warning-text: #B45309;
    --success-bg: #ECFDF5;
    --success-text: #065F46;
    --youtube-red: #FF0000;
    --youtube-dark: #282828;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-page);
    color: var(--text-medium);
    line-height: 1.6;
    overflow-x: hidden;
}

h1, h2, h3, h4 {
    color: var(--text-dark);
    line-height: 1.2;
    font-weight: 600;
}

h1 {
    font-size: clamp(1.75rem, 5vw, 2.5rem);
    font-weight: 800;
    margin-bottom: 1rem;
}

h2.section-title {
    font-size: clamp(1.25rem, 4vw, 1.5rem);
    margin-bottom: 1.25rem;
}

/* Navigation */
.navbar {
    background-color: var(--bg-card);
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
    position: sticky;
    top: 0;
    z-index: 1000;
    width: 100%;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem clamp(0.75rem, 3vw, 1rem);
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.nav-logo {
    height: 32px;
    width: auto;
}

.brand-name {
    font-weight: 700;
    color: var(--text-dark);
    font-size: 1.1rem;
}

.brand-link {
    text-decoration: none;
    color: inherit;
    display: flex;
    align-items: center;
    gap: 8px;
}

.brand-link:hover {
    text-decoration: none;
    color: inherit;
}

/* Navigation Toggle */
.nav-toggle {
    display: flex;
    flex-direction: column;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
    gap: 0.25rem;
    z-index: 1002;
}

.nav-toggle span {
    width: 24px;
    height: 2px;
    background-color: var(--text-dark);
    transition: all 0.3s ease;
    transform-origin: center;
}

/* Navigation Slider */
.nav-slider {
    position: fixed;
    top: 0;
    right: -100%;
    width: 300px;
    height: 100vh;
    background-color: var(--bg-card);
    box-shadow: -4px 0 20px rgba(0, 0, 0, 0.1);
    transition: right 0.3s ease-in-out;
    z-index: 1001;
    overflow-y: auto;
}

.nav-slider.active {
    right: 0;
}

.slider-content {
    padding: 1.5rem;
    height: 100%;
}

.slider-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border-color);
}

.slider-close {
    background: none;
    border: none;
    font-size: 1.25rem;
    color: var(--text-dark);
    cursor: pointer;
    padding: 0.5rem;
    z-index: 1002;
}

.slider-links {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.slider-link {
    display: block;
    padding: 1rem;
    color: var(--text-dark);
    text-decoration: none;
    font-weight: 500;
    border-radius: 0.5rem;
    transition: all 0.2s;
}

.slider-link:hover, .slider-link.active {
    background-color: var(--primary-accent-light);
    color: var(--primary-accent);
}

/* Overlay when slider is open */
.nav-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 999;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.nav-overlay.active {
    opacity: 1;
    visibility: visible;
}

/* Hero Section */
.hero-section {
    background: linear-gradient(135deg, var(--bg-hero-start) 0%, var(--bg-hero-end) 100%);
    padding: clamp(2rem, 6vw, 4rem) clamp(1rem, 4vw, 2rem);
    text-align: center;
    position: relative;
    overflow: hidden;
}

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

.hero-text p {
    font-size: clamp(1rem, 3vw, 1.25rem);
    margin-bottom: 2rem;
    color: var(--text-medium);
}

.cta-button {
    display: inline-block;
    background-color: var(--primary-accent);
    color: white;
    padding: 1rem 2rem;
    border-radius: 0.5rem;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.2s;
    border: none;
    cursor: pointer;
}

.cta-button:hover {
    background-color: #cc0000;
    transform: translateY(-2px);
}

/* Cards */
.card {
    background-color: var(--bg-card);
    border-radius: 1rem;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
    padding: clamp(1.5rem, 4vw, 2rem);
    margin-bottom: 1.5rem;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
}

.main-card {
    margin-top: -2rem;
    position: relative;
    z-index: 10;
}

/* Centered Form Container */
.centered-form-container {
    max-width: 800px;
    margin: 0 auto;
    width: 100%;
}

/* Main Tabs - Button Style */
.main-tabs {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-bottom: 2rem;
    justify-content: center;
}

.main-tab {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem 1.5rem;
    border: 2px solid var(--primary-accent);
    border-radius: 0.75rem;
    background-color: white;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 0.9rem;
    font-weight: 600;
    text-align: center;
    color: var(--primary-accent);
    box-shadow: 0 2px 8px rgba(255, 0, 0, 0.1);
    min-width: 140px;
    justify-content: center;
}

.main-tab:hover {
    background-color: var(--primary-accent-light);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(255, 0, 0, 0.15);
}

.main-tab.active {
    background-color: var(--primary-accent);
    border-color: var(--primary-accent);
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(255, 0, 0, 0.2);
}

.main-tab i {
    font-size: 1.1rem;
}

/* Tab Content */
.tab-content {
    display: none;
    flex-direction: column;
    gap: 1.5rem;
    margin-bottom: 1.5rem;
}

.tab-content.active {
    display: flex;
    animation: fadeIn 0.3s ease;
}

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

/* Form Elements */
.form-section {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.input-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.input-group label {
    font-weight: 500;
    color: var(--text-dark);
}

.input-group input, .input-group select {
    padding: 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: 0.5rem;
    font-size: 1rem;
    transition: all 0.2s;
    background-color: white;
}

.input-group input:focus, .input-group select:focus {
    outline: none;
    border-color: var(--primary-accent);
    box-shadow: 0 0 0 3px rgba(255, 0, 0, 0.1);
}

.input-help {
    font-size: 0.875rem;
    color: var(--text-light);
}

.input-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

@media (max-width: 768px) {
    .input-row {
        grid-template-columns: 1fr;
    }
}

/* Buttons */
.calculate-button {
    background-color: var(--primary-accent);
    color: white;
    border: none;
    padding: 1rem 1.5rem;
    border-radius: 0.5rem;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.2s;
    text-align: center;
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.calculate-button:hover {
    background-color: #cc0000;
    transform: translateY(-2px);
}

.sample-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: 1rem;
    justify-content: center;
}

.sample-btn {
    background: #F1F5F9;
    color: var(--text-medium);
    border: 1px solid var(--border-color);
    padding: 0.5rem 1rem;
    border-radius: 0.5rem;
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
}

.sample-btn:hover {
    background: #E2E8F0;
    color: var(--primary-accent);
    border-color: var(--primary-accent);
}

.sample-vid-btn {
    background: #FFE5E5;
    color: var(--primary-accent);
    border: 1px solid #FFCCCC;
    padding: 0.5rem 1rem;
    border-radius: 0.5rem;
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
}

.sample-vid-btn:hover {
    background: #FFCCCC;
    color: #cc0000;
    border-color: var(--primary-accent);
}

/* Preview Display Section */
.preview-display-section {
    padding: 2rem 1rem;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
}

.preview-display-card {
    background: var(--bg-card);
    border-radius: 1rem;
    padding: 2rem;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
    border: 1px solid var(--border-color);
}

.video-info {
    text-align: center;
    margin-bottom: 2rem;
    padding-bottom: 1.5rem;
    border-bottom: 2px solid var(--border-color);
}

.video-info h2 {
    color: var(--text-dark);
    font-size: 1.75rem;
    margin-bottom: 0.5rem;
}

.video-meta {
    color: var(--text-light);
    font-size: 0.875rem;
}

/* Video Preview */
.preview-container {
    margin-bottom: 2rem;
}

.video-preview {
    position: relative;
    width: 100%;
    padding-top: 56.25%; /* 16:9 Aspect Ratio */
    background-color: #000;
    border-radius: 0.75rem;
    overflow: hidden;
    margin-bottom: 1.5rem;
}

.video-preview iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: none;
}

.current-settings {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 1.5rem;
    margin-top: 1.5rem;
}

.setting-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1rem;
    background-color: var(--bg-page);
    border-radius: 0.5rem;
    border: 1px solid var(--border-color);
}

.setting-item i {
    color: var(--primary-accent);
}

.download-placeholder {
    text-align: center;
    padding: 2rem;
    color: var(--text-light);
    margin-bottom: 1.5rem;
}

.placeholder-icon {
    font-size: 3rem;
    color: var(--primary-accent-light);
    margin-bottom: 1rem;
}

.download-placeholder h3 {
    color: var(--text-medium);
    margin-bottom: 0.5rem;
}

.download-frame-container {
    background: var(--bg-page);
    padding: 1.5rem;
    border-radius: 0.75rem;
    border: 2px dashed var(--border-color);
    margin-bottom: 1.5rem;
}

.download-frame {
    width: 100%;
    border: none;
    border-radius: 0.5rem;
    background-color: white;
}

.embed-code-container {
    background: var(--bg-page);
    padding: 1.5rem;
    border-radius: 0.75rem;
    border: 1px solid var(--border-color);
    margin-top: 1.5rem;
}

.embed-code-container h4 {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 1rem;
    color: var(--text-dark);
}

.code-snippet {
    position: relative;
    background: var(--youtube-dark);
    color: #f1f1f1;
    padding: 1rem;
    border-radius: 0.5rem;
    font-family: 'Courier New', monospace;
    font-size: 0.9rem;
    overflow-x: auto;
}

.copy-btn {
    position: absolute;
    top: 0.5rem;
    right: 0.5rem;
    background: var(--primary-accent);
    color: white;
    border: none;
    padding: 0.5rem 1rem;
    border-radius: 0.25rem;
    cursor: pointer;
    font-size: 0.8rem;
    display: flex;
    align-items: center;
    gap: 0.25rem;
    transition: background 0.2s;
}

.copy-btn:hover {
    background: #cc0000;
}

/* Loading State */
.loading {
    text-align: center;
    padding: 3rem;
}

.loading i {
    font-size: 2rem;
    color: var(--primary-accent);
    margin-bottom: 1rem;
    animation: spin 1s linear infinite;
}

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

/* Error State */
.error-message {
    background: var(--error-bg);
    color: var(--error-text);
    padding: 1.5rem;
    border-radius: 0.75rem;
    border-left: 4px solid var(--error-text);
    text-align: center;
    margin: 1rem 0;
}

.error-message i {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

/* Notices */
.privacy-notice {
    padding: 1rem;
    border-radius: 0.5rem;
    margin-top: 1rem;
    background-color: var(--success-bg);
    border-left: 4px solid var(--success-text);
}

.privacy-title {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.5rem;
    color: var(--text-dark);
}

.privacy-text {
    font-size: 0.875rem;
    color: var(--text-medium);
}

/* Animations */
.animate-on-load {
    opacity: 0;
    transform: translateY(20px);
    animation: fadeInUp 0.6s ease forwards;
}

@keyframes fadeInUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Overview Section */
.overview-section {
    padding: 4rem 1rem;
    background: var(--bg-page);
}

.overview-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
    margin-top: 2rem;
}

@media (min-width: 768px) {
    .overview-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

.overview-card {
    background: var(--bg-card);
    border-radius: 1rem;
    padding: 2rem;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
    border: 1px solid var(--border-color);
}

.overview-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
}

.overview-icon {
    width: 60px;
    height: 60px;
    background: var(--primary-accent-light);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
}

.overview-icon i {
    font-size: 1.5rem;
    color: var(--primary-accent);
}

.overview-card h3 {
    color: var(--text-dark);
    font-size: 1.2rem;
    margin-bottom: 1rem;
    font-weight: 600;
    line-height: 1.4;
}

.overview-card p {
    color: var(--text-medium);
    line-height: 1.6;
    font-size: 0.95rem;
}

.section-subtitle {
    text-align: center;
    color: var(--text-medium);
    margin-bottom: 2rem;
    font-size: 1.1rem;
}

/* Tutorials Section */
.tutorials-section {
    padding: 4rem 1rem;
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
}

.tutorials-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
    margin-top: 2rem;
}

@media (min-width: 768px) {
    .tutorials-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.tutorial-card {
    background: var(--bg-card);
    border-radius: 1rem;
    padding: 2rem;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
    border: 1px solid var(--border-color);
}

.tutorial-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
}

.tutorial-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary-accent), #ff3333);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
}

.tutorial-icon i {
    font-size: 1.5rem;
    color: white;
}

.tutorial-card h3 {
    color: var(--text-dark);
    font-size: 1.2rem;
    margin-bottom: 1rem;
    font-weight: 600;
    line-height: 1.4;
}

.tutorial-card p {
    color: var(--text-medium);
    line-height: 1.6;
    font-size: 0.95rem;
    margin-bottom: 1rem;
}

.tutorial-card ul {
    padding-left: 1.5rem;
    color: var(--text-medium);
}

.tutorial-card li {
    margin-bottom: 0.5rem;
    font-size: 0.9rem;
}

/* Use Cases Section */
.use-cases-section {
    padding: 4rem 1rem;
    background: linear-gradient(135deg, var(--bg-hero-start) 0%, var(--bg-hero-end) 100%);
}

.use-cases-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
    margin-top: 2rem;
}

@media (min-width: 768px) {
    .use-cases-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .use-cases-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.use-case-card {
    background: var(--bg-card);
    border-radius: 1rem;
    padding: 2rem;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
    border: 1px solid var(--border-color);
}

.use-case-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
}

.use-case-icon {
    width: 60px;
    height: 60px;
    background: var(--primary-accent-light);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
}

.use-case-icon i {
    font-size: 1.5rem;
    color: var(--primary-accent);
}

.use-case-card h3 {
    color: var(--text-dark);
    font-size: 1.2rem;
    margin-bottom: 1rem;
    font-weight: 600;
    line-height: 1.4;
}

.problem-solution {
    margin-bottom: 1rem;
}

.problem, .solution {
    margin-bottom: 0.75rem;
    padding: 0.75rem;
    border-radius: 0.5rem;
    font-size: 0.9rem;
}

.problem {
    background: var(--error-bg);
    border-left: 3px solid var(--error-text);
}

.solution {
    background: var(--success-bg);
    border-left: 3px solid var(--success-text);
}

.pro-tip {
    background: var(--warning-bg);
    padding: 1rem;
    border-radius: 0.5rem;
    margin: 1rem 0;
    border-left: 3px solid var(--warning-text);
    font-size: 0.9rem;
}

.pro-tip i {
    color: var(--warning-text);
    margin-right: 0.5rem;
}

/* FAQ Section */
.content-section {
    padding: 4rem 1rem;
    background: var(--bg-page);
}

.faq-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
    margin-top: 2rem;
}

@media (min-width: 768px) {
    .faq-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

.faq-item {
    background: var(--bg-card);
    border-radius: 0.75rem;
    padding: 1.5rem;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

.faq-item:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.12);
}

.faq-item h3 {
    color: var(--primary-accent);
    font-size: 1.1rem;
    margin-bottom: 0.75rem;
    font-weight: 600;
    line-height: 1.4;
}

.faq-item p {
    color: var(--text-medium);
    line-height: 1.6;
    font-size: 0.95rem;
}

.faq-item p:first-of-type {
    margin-bottom: 0.5rem;
}

/* YouTube Page Title (H1) */
.youtube-page-title {
    font-size: 2.5rem;
    color: #2c3e50;
    text-align: center;
    margin-bottom: 30px;
    font-weight: 700;
}

/* Related Tools Section */
.related-tools-section {
    background: linear-gradient(135deg, var(--bg-hero-start), var(--bg-hero-end));
    padding: 4rem 0;
    margin-top: 2rem;
}

.related-tools-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 1.5rem;
    margin-top: 2rem;
}

.related-tool-card {
    background: var(--bg-card);
    border-radius: 12px;
    padding: 2rem;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    border: 1px solid var(--border-color);
    text-align: center;
}

.related-tool-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.15);
}

.related-tool-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary-accent), #ff3333);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem;
    font-size: 1.5rem;
    color: white;
}

.related-tool-card h3 {
    color: var(--text-dark);
    margin-bottom: 0.5rem;
    font-size: 1.25rem;
    font-weight: 600;
}

.related-tool-card p {
    color: var(--text-medium);
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.related-tool-button {
    background: linear-gradient(135deg, var(--primary-accent), #ff3333);
    color: white !important;
    text-decoration: none !important;
    border: 2px solid var(--primary-accent);
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    transition: all 0.3s ease;
    font-size: 0.9rem;
}

.related-tool-button:hover {
    background: linear-gradient(135deg, #cc0000, var(--primary-accent));
    border-color: #cc0000;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(255, 0, 0, 0.3);
    color: white !important;
    text-decoration: none !important;
}

/* Footer */
.footer {
    background-color: var(--bg-card);
    padding: 2rem 1rem;
    margin-top: 4rem;
    text-align: center;
    border-top: 1px solid var(--border-color);
}

.footer-content {
    max-width: 800px;
    margin: 0 auto;
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    margin: 1rem 0;
    flex-wrap: wrap;
}

.footer-links a {
    color: var(--text-medium);
    text-decoration: none;
    transition: color 0.2s;
}

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

.disclaimer {
    font-size: 0.875rem;
    color: var(--text-light);
    margin-top: 1rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.disclaimer a {
    color: var(--primary-accent);
    text-decoration: none;
}

.disclaimer a:hover {
    text-decoration: underline;
}

/* Responsive Adjustments */
@media (max-width: 767px) {
    .main-tabs {
        flex-direction: column;
        align-items: center;
    }
    
    .main-tab {
        min-width: auto;
        width: 100%;
        max-width: 280px;
    }
    
    .current-settings {
        flex-direction: column;
        align-items: center;
        gap: 0.75rem;
    }
    
    .setting-item {
        width: 100%;
        justify-content: center;
    }
    
    .footer-links {
        flex-direction: column;
        gap: 0.5rem;
    }
    
    .youtube-page-title {
        font-size: 1.8rem;
    }
    
    .tutorials-grid {
        grid-template-columns: 1fr;
    }
    
    .related-tools-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .main-tab {
        padding: 0.75rem 1rem;
        font-size: 0.8rem;
    }
    
    .main-tab i {
        font-size: 1rem;
    }
    
    .code-snippet {
        font-size: 0.8rem;
        padding: 0.75rem;
    }
    
    .copy-btn {
        position: static;
        margin-top: 0.5rem;
        width: 100%;
        justify-content: center;
    }
}
/* Add this to fix missing icon issue in the existing CSS file */

/* Ensure Font Awesome icons load properly */
@import url('https://cdnjs.cloudflare.com/ajax/libs/font-awesome/6.4.0/css/all.min.css');

/* Fix for specific missing icons */
.overview-icon .fa-hd:before {
    content: "\f1fd"; /* Font Awesome HD icon */
}

.overview-icon .fa-music:before {
    content: "\f001"; /* Font Awesome music icon */
}

.overview-icon .fa-youtube:before {
    content: "\f167"; /* Font Awesome YouTube icon */
}

.overview-icon .fa-bolt:before {
    content: "\f0e7"; /* Font Awesome bolt icon */
}

.tutorial-icon .fa-chrome:before {
    content: "\f268"; /* Font Awesome Chrome icon */
}

.tutorial-icon .fa-trophy:before {
    content: "\f091"; /* Font Awesome trophy icon */
}

.tutorial-icon .fa-robot:before {
    content: "\f544"; /* Font Awesome robot icon */
}

/* Fix for sample video buttons */
.sample-vid-btn:before {
    content: "" !important; /* Remove any pseudo-content */
}

/* Ensure all icons display properly */
i.fas, i.fab {
    font-family: 'Font Awesome 6 Free' !important;
    font-weight: 900;
}

i.fab {
    font-family: 'Font Awesome 6 Brands' !important;
}