styles.css

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    line-height: 1.6;
    color: #ffffff;
    background-color: #000000;
    overflow-x: hidden;
}

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

/* Header */
.header {
    background-color: #111111;
    padding: 1rem 0;
    border-bottom: 1px solid #333333;
    position: sticky;
    top: 0;
    z-index: 1000;
    backdrop-filter: blur(10px);
}

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

.logo h1 {
    font-size: 1.8rem;
    font-weight: 700;
    color: #1d9bf0;
    margin-bottom: 0.2rem;
}

.tagline {
    font-size: 0.9rem;
    color: #8899a6;
    font-weight: 400;
}

.nav ul {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav a {
    color: #ffffff;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
    padding: 0.5rem 1rem;
    border-radius: 20px;
}

.nav a:hover {
    color: #1d9bf0;
    background-color: rgba(29, 155, 240, 0.1);
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, #000000 0%, #1a1a1a 100%);
    padding: 1rem 0;
    text-align: center;
    border-bottom: 1px solid #333333;
    display: none;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    margin-bottom: 1rem;
    background: linear-gradient(45deg, #1d9bf0, #7856ff);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-subtitle {
    font-size: 1.5rem;
    color: #8899a6;
    margin-bottom: 1.5rem;
    font-weight: 400;
}

.hero-description {
    font-size: 1.1rem;
    color: #cccccc;
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.7;
}

/* Downloader Section */
.downloader-section {
    padding: 4rem 0;
    background-color: #0a0a0a;
}

.downloader-section h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 2rem;
    color: #ffffff;
    font-weight: 700;
}

.downloader-wrapper {
    max-width: 1000px;
    margin: 0 auto;
    background-color: #111111;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
    border: 1px solid #333333;
}

.downloader-iframe {
    width: 100%;
    height: 600px;
    border: none;
    display: block;
    background-color: #111111;
}

/* Downloader Container */
.downloader-container {
    padding: 2rem;
    background-color: #111111;
}

.input-wrapper {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-bottom: 1.5rem;
    position: relative;
}

.url-input {
    width: 100%;
    padding: 1rem 1.5rem;
    font-size: 1rem;
    border: 2px solid #333333;
    border-radius: 8px;
    background-color: #1a1a1a;
    color: #ffffff;
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.url-input:focus {
    outline: none;
    border-color: #1d9bf0;
    box-shadow: 0 0 0 3px rgba(29, 155, 240, 0.1);
}

.url-input::placeholder {
    color: #8899a6;
}

.format-selector {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.format-selector label {
    color: #ffffff;
    font-weight: 500;
    min-width: 60px;
}

.format-select {
    padding: 0.75rem 1rem;
    font-size: 1rem;
    border: 2px solid #333333;
    border-radius: 8px;
    background-color: #1a1a1a;
    color: #ffffff;
    cursor: pointer;
    min-width: 150px;
}

.format-select:focus {
    outline: none;
    border-color: #1d9bf0;
}

.download-btn {
    width: 100%;
    padding: 1rem 2rem;
    font-size: 1.1rem;
    font-weight: 600;
    background: linear-gradient(45deg, #1d9bf0, #7856ff);
    color: #ffffff;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    position: relative;
    overflow: hidden;
}

.download-btn:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(29, 155, 240, 0.3);
}

.download-btn:disabled {
    opacity: 0.7;
    cursor: not-allowed;
    transform: none;
}

.btn-loading {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.spinner {
    width: 20px;
    height: 20px;
    border: 2px solid #ffffff30;
    border-top: 2px solid #ffffff;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

/* Result Section */
.result-section {
    margin-top: 2rem;
    padding: 1.5rem;
    background-color: #1a1a1a;
    border-radius: 8px;
    border: 1px solid #333333;
}

.video-info {
    display: flex;
    gap: 1rem;
    margin-bottom: 1.5rem;
    align-items: flex-start;
}

.video-thumbnail img {
    width: 120px;
    height: 80px;
    object-fit: cover;
    border-radius: 6px;
    border: 1px solid #333333;
}

.video-details h3 {
    color: #ffffff;
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
    line-height: 1.4;
}

.video-details p {
    color: #8899a6;
    margin-bottom: 0.3rem;
    font-size: 0.9rem;
}

.download-options h4 {
    color: #ffffff;
    margin-bottom: 1rem;
    font-size: 1.1rem;
}

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

.quality-option {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem;
    background-color: #0a0a0a;
    border: 1px solid #333333;
    border-radius: 6px;
    transition: border-color 0.3s ease;
}

.quality-option:hover {
    border-color: #1d9bf0;
}

.quality-info {
    display: flex;
    flex-direction: column;
}

.quality-label {
    color: #ffffff;
    font-weight: 500;
    margin-bottom: 0.2rem;
}

.quality-details {
    color: #8899a6;
    font-size: 0.85rem;
}

.quality-download-btn {
    padding: 0.5rem 1rem;
    background-color: #1d9bf0;
    color: #ffffff;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 0.9rem;
    font-weight: 500;
    transition: background-color 0.3s ease;
}

.quality-download-btn:hover {
    background-color: #1a8cd8;
}

/* Error Section */
.error-section {
    margin-top: 2rem;
    padding: 2rem;
    background-color: #2a1a1a;
    border: 1px solid #ff6b6b;
    border-radius: 8px;
    text-align: center;
}

.error-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.error-section h3 {
    color: #ff6b6b;
    margin-bottom: 1rem;
    font-size: 1.3rem;
}

.error-section p {
    color: #cccccc;
    margin-bottom: 1.5rem;
    line-height: 1.5;
}

.retry-btn {
    padding: 0.75rem 1.5rem;
    background-color: #ff6b6b;
    color: #ffffff;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    font-weight: 500;
    transition: background-color 0.3s ease;
}

.retry-btn:hover {
    background-color: #ff5252;
}

/* Features Section */
.features-section {
    padding: 4rem 0;
    background-color: #000000;
}

.features-section h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: #ffffff;
    font-weight: 700;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.feature {
    background-color: #111111;
    padding: 2rem;
    border-radius: 12px;
    text-align: center;
    border: 1px solid #333333;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.feature:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(29, 155, 240, 0.2);
    border-color: #1d9bf0;
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
    display: block;
}

.feature h3 {
    font-size: 1.3rem;
    margin-bottom: 1rem;
    color: #1d9bf0;
    font-weight: 600;
}

.feature p {
    color: #cccccc;
    line-height: 1.6;
}

/* How To Section */
.how-to-section {
    padding: 4rem 0;
    background-color: #0a0a0a;
}

.how-to-section h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: #ffffff;
    font-weight: 700;
}

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

.step {
    background-color: #111111;
    padding: 2rem;
    border-radius: 12px;
    text-align: center;
    border: 1px solid #333333;
    position: relative;
}

.step-number {
    background: linear-gradient(45deg, #1d9bf0, #7856ff);
    color: #ffffff;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
    margin: 0 auto 1.5rem;
}

.step h3 {
    font-size: 1.3rem;
    margin-bottom: 1rem;
    color: #ffffff;
    font-weight: 600;
}

.step p {
    color: #cccccc;
    line-height: 1.6;
}

/* FAQ Section */
.faq-section {
    padding: 4rem 0;
    background-color: #000000;
}

.faq-section h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: #ffffff;
    font-weight: 700;
}

.faq-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.faq-item {
    background-color: #111111;
    padding: 2rem;
    border-radius: 12px;
    border: 1px solid #333333;
}

.faq-item h3 {
    font-size: 1.2rem;
    margin-bottom: 1rem;
    color: #1d9bf0;
    font-weight: 600;
}

.faq-item p {
    color: #cccccc;
    line-height: 1.6;
}

/* Footer */
.footer {
    background-color: #111111;
    padding: 3rem 0 1rem;
    border-top: 1px solid #333333;
}

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

.footer-section h3 {
    font-size: 1.2rem;
    margin-bottom: 1rem;
    color: #1d9bf0;
    font-weight: 600;
}

.footer-section p {
    color: #cccccc;
    line-height: 1.6;
    margin-bottom: 0.5rem;
}

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

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

.footer-section ul li a {
    color: #cccccc;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-section ul li a:hover {
    color: #1d9bf0;
}

.footer-bottom {
    border-top: 1px solid #333333;
    padding-top: 1rem;
    text-align: center;
    color: #8899a6;
    font-size: 0.9rem;
}

.footer-bottom a {
    color: #8899a6;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-bottom a:hover {
    color: #1d9bf0;
}

/* Responsive Design */
@media (max-width: 768px) {
    .header .container {
        flex-direction: column;
        gap: 1rem;
    }
    
    .nav ul {
        gap: 1rem;
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.2rem;
    }
    
    .hero-description {
        font-size: 1rem;
    }
    
    .downloader-iframe {
        height: 500px;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .steps-grid {
        grid-template-columns: 1fr;
    }
    
    .faq-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .container {
        padding: 0 15px;
    }
}

@media (max-width: 480px) {
    .hero {
        padding: 2rem 0;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .downloader-iframe {
        height: 400px;
    }
    
    .feature,
    .step,
    .faq-item {
        padding: 1.5rem;
    }
    
    .features-section,
    .how-to-section,
    .faq-section,
    .downloader-section {
        padding: 2rem 0;
    }
}

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

/* Focus styles for accessibility */
a:focus,
button:focus {
    outline: 2px solid #1d9bf0;
    outline-offset: 2px;
}

/* Print styles */
@media print {
    .header,
    .footer {
        display: none;
    }
    
    body {
        background: white;
        color: black;
    }
    
    .downloader-iframe {
        display: none;
    }
}

/* Responsive Design for New Components */
@media (max-width: 768px) {
    .downloader-container {
        padding: 1.5rem;
    }
    
    .input-wrapper {
        gap: 0.75rem;
    }
    
    .format-selector {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.5rem;
    }
    
    .format-selector label {
        min-width: auto;
    }
    
    .video-info {
        flex-direction: column;
        text-align: center;
    }
    
    .video-thumbnail img {
        width: 100%;
        max-width: 200px;
        height: auto;
        margin: 0 auto;
    }
    
    .quality-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .quality-option {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }
    
    .download-btn {
        font-size: 1rem;
        padding: 0.875rem 1.5rem;
    }
}

.site-logo {
    height: 32px;
    width: 32px;
    vertical-align: middle;
    margin-right: 10px;
    border-radius: 50%;
    box-shadow: 0 2px 8px rgba(29,161,242,0.08);
    background: #fff0;
}

.paste-btn {
    position: absolute;
    right: 10px;
    top: 50%;
    transform: translateY(-50%);
    padding: 0.5rem 1rem;
    font-size: 1rem;
    background: #1d9bf0;
    color: #fff;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    z-index: 2;
    transition: background 0.2s;
}
.paste-btn:hover {
    background: #1a8cd8;
}