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

:root {
    --primary-purple: #a855f7;
    --primary-pink: #ec4899;
    --primary-blue: #3b82f6;
    --cyber-cyan: #06b6d4;
    --dark-bg: #0a0a0f;
    --card-bg: #1a1a2e;
    --card-border: #2d2d44;
    --text-primary: #ffffff;
    --text-secondary: #a1a1aa;
    --success-color: #10b981;
    --error-color: #ef4444;
    --glow-purple: rgba(168, 85, 247, 0.5);
    --glow-pink: rgba(236, 72, 153, 0.5);
    --glow-cyan: rgba(6, 182, 212, 0.5);
}

body {
    font-family: 'Inter', sans-serif;
    background: var(--dark-bg);
    min-height: 100vh;
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    position: relative;
}

/* Animated Background */
.particles-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 20% 50%, rgba(168, 85, 247, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(236, 72, 153, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 40% 20%, rgba(6, 182, 212, 0.1) 0%, transparent 50%);
    z-index: -1;
    animation: bgShift 20s ease infinite;
}

@keyframes bgShift {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.8; }
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    position: relative;
    z-index: 1;
}

/* Header & Logo */
.header {
    text-align: center;
    margin-bottom: 40px;
    padding: 30px 0;
}

.logo-container {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 25px;
    animation: fadeInDown 1s ease;
}

.logo-image {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    border: 3px solid var(--primary-purple);
    box-shadow: 0 0 30px var(--glow-purple), 0 0 60px var(--glow-pink);
    animation: logoFloat 3s ease-in-out infinite;
    transition: all 0.3s ease;
}

.logo-image:hover {
    transform: scale(1.1) rotate(5deg);
    box-shadow: 0 0 40px var(--glow-purple), 0 0 80px var(--glow-pink);
}

@keyframes logoFloat {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-10px); }
}

.logo-text {
    text-align: left;
}

.logo-title {
    font-family: 'Orbitron', sans-serif;
    font-size: 3rem;
    font-weight: 900;
    background: linear-gradient(135deg, var(--primary-purple), var(--primary-pink), var(--cyber-cyan));
    background-size: 200% 200%;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: gradientShift 3s ease infinite;
    letter-spacing: 2px;
    text-shadow: 0 0 20px var(--glow-purple);
}

.logo-subtitle {
    font-size: 0.9rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 3px;
    margin-top: 5px;
}

@keyframes gradientShift {
    0%, 100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
}

@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Main Content */
.main-content {
    flex: 1;
    background: rgba(26, 26, 46, 0.6);
    border-radius: 24px;
    padding: 40px;
    backdrop-filter: blur(10px);
    border: 1px solid var(--card-border);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
    animation: fadeInUp 1s ease;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Input Section */
.input-section {
    margin-bottom: 40px;
}

.input-wrapper {
    position: relative;
    display: flex;
    gap: 15px;
    margin-bottom: 30px;
}

.input-glow {
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: -2px;
    background: linear-gradient(135deg, var(--primary-purple), var(--primary-pink), var(--cyber-cyan));
    border-radius: 16px;
    opacity: 0;
    transition: opacity 0.3s ease;
    z-index: -1;
    filter: blur(10px);
}

.input-wrapper:focus-within .input-glow {
    opacity: 0.6;
}

.url-input {
    flex: 1;
    padding: 18px 24px;
    background: rgba(26, 26, 46, 0.8);
    border: 2px solid var(--card-border);
    border-radius: 14px;
    font-size: 16px;
    color: var(--text-primary);
    transition: all 0.3s ease;
    font-family: 'Inter', sans-serif;
}

.url-input::placeholder {
    color: var(--text-secondary);
}

.url-input:focus {
    outline: none;
    border-color: var(--primary-purple);
    background: rgba(26, 26, 46, 0.95);
    box-shadow: 0 0 20px var(--glow-purple);
}

.download-btn {
    position: relative;
    padding: 18px 40px;
    background: linear-gradient(135deg, var(--primary-purple), var(--primary-pink));
    color: white;
    border: none;
    border-radius: 14px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 10px;
    overflow: hidden;
    font-family: 'Orbitron', sans-serif;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.download-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 30px var(--glow-purple), 0 5px 15px var(--glow-pink);
}

.download-btn:active {
    transform: translateY(-1px);
}

.btn-glow {
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transition: left 0.5s ease;
}

.download-btn:hover .btn-glow {
    left: 100%;
}

/* Platform Selector */
.platform-selector {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: 15px;
}

.platform-card {
    position: relative;
    background: rgba(26, 26, 46, 0.6);
    border: 2px solid var(--card-border);
    border-radius: 16px;
    padding: 20px;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    overflow: hidden;
}

.platform-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--primary-purple), var(--primary-pink));
    opacity: 0;
    transition: opacity 0.3s ease;
}

.platform-card:hover::before,
.platform-card.active::before {
    opacity: 0.1;
}

.platform-card:hover {
    border-color: var(--primary-purple);
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(168, 85, 247, 0.3);
}

.platform-card.active {
    border-color: var(--primary-purple);
    background: rgba(168, 85, 247, 0.15);
}

.platform-icon {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary-purple), var(--primary-pink));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    position: relative;
    z-index: 1;
}

.platform-icon.instagram {
    background: linear-gradient(135deg, #f09433, #e6683c, #dc2743, #cc2366, #bc1888);
}

.platform-icon.tiktok {
    background: linear-gradient(135deg, #00f2ea, #ff0050);
}





.platform-card span {
    font-weight: 600;
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 1px;
    position: relative;
    z-index: 1;
}

.card-shine {
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(45deg, transparent, rgba(255, 255, 255, 0.1), transparent);
    transform: rotate(45deg);
    transition: all 0.5s ease;
    opacity: 0;
}

.platform-card:hover .card-shine {
    opacity: 1;
    animation: shine 1.5s ease infinite;
}

@keyframes shine {
    0% { transform: translateX(-100%) translateY(-100%) rotate(45deg); }
    100% { transform: translateX(100%) translateY(100%) rotate(45deg); }
}

/* Loading */
.loading {
    text-align: center;
    padding: 60px 20px;
}

.cyber-loader {
    position: relative;
    width: 120px;
    height: 120px;
    margin: 0 auto 30px;
}

.loader-ring {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    border-radius: 50%;
    border: 3px solid transparent;
}

.loader-ring:nth-child(1) {
    width: 100%;
    height: 100%;
    border-top-color: var(--primary-purple);
    animation: spin 1.5s linear infinite;
}

.loader-ring:nth-child(2) {
    width: 80%;
    height: 80%;
    border-right-color: var(--primary-pink);
    animation: spin 2s linear infinite reverse;
}

.loader-ring:nth-child(3) {
    width: 60%;
    height: 60%;
    border-bottom-color: var(--cyber-cyan);
    animation: spin 1s linear infinite;
}

.loader-core {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 30px;
    height: 30px;
    background: linear-gradient(135deg, var(--primary-purple), var(--primary-pink));
    border-radius: 50%;
    animation: pulse 1.5s ease-in-out infinite;
}

@keyframes spin {
    0% { transform: translate(-50%, -50%) rotate(0deg); }
    100% { transform: translate(-50%, -50%) rotate(360deg); }
}

@keyframes pulse {
    0%, 100% { transform: translate(-50%, -50%) scale(1); opacity: 1; }
    50% { transform: translate(-50%, -50%) scale(1.2); opacity: 0.7; }
}

.loading-text {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-secondary);
    animation: fadeInOut 1.5s ease-in-out infinite;
}

@keyframes fadeInOut {
    0%, 100% { opacity: 0.5; }
    50% { opacity: 1; }
}

/* Error */
.error-container {
    background: rgba(239, 68, 68, 0.1);
    border: 2px solid var(--error-color);
    border-radius: 16px;
    padding: 30px;
    text-align: center;
    animation: shake 0.5s ease;
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-10px); }
    75% { transform: translateX(10px); }
}

.error-icon {
    font-size: 48px;
    color: var(--error-color);
    margin-bottom: 15px;
}

.error-message {
    font-size: 16px;
    color: var(--text-primary);
}

/* Result */
.result-container {
    animation: fadeInScale 0.5s ease;
}

@keyframes fadeInScale {
    from {
        opacity: 0;
        transform: scale(0.95);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

.media-preview {
    display: flex;
    gap: 25px;
    margin-bottom: 30px;
    padding: 25px;
    background: rgba(26, 26, 46, 0.6);
    border-radius: 16px;
    border: 1px solid var(--card-border);
}

.preview-wrapper {
    position: relative;
    width: 200px;
    height: 200px;
    border-radius: 12px;
    overflow: hidden;
    flex-shrink: 0;
}

.preview-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.preview-wrapper:hover .preview-image {
    transform: scale(1.1);
}

.preview-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.preview-wrapper:hover .preview-overlay {
    opacity: 1;
}

.preview-overlay i {
    font-size: 48px;
    color: white;
}

.media-info {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.media-title {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 10px;
    color: var(--text-primary);
}

.media-author {
    color: var(--text-secondary);
    margin-bottom: 15px;
    font-size: 14px;
}

.media-stats {
    display: flex;
    gap: 20px;
}

.stat-item {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--primary-purple);
    font-weight: 600;
}

/* Download Section */
.download-section {
    margin-top: 30px;
}

.section-title {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--text-primary);
}

.section-title i {
    color: var(--primary-purple);
}

.quality-grid {
    display: grid;
    gap: 12px;
}

.quality-btn {
    padding: 18px 24px;
    background: rgba(26, 26, 46, 0.6);
    border: 2px solid var(--card-border);
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-weight: 600;
    color: var(--text-primary);
}

.quality-btn:hover {
    border-color: var(--primary-purple);
    background: rgba(168, 85, 247, 0.1);
    transform: translateX(10px);
    box-shadow: 0 5px 15px var(--glow-purple);
}

.quality-btn i {
    color: var(--success-color);
    font-size: 20px;
}

/* Features Section */
.features-section {
    margin-top: 50px;
    padding-top: 40px;
    border-top: 1px solid var(--card-border);
}

.features-title {
    text-align: center;
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 40px;
    background: linear-gradient(135deg, var(--primary-purple), var(--primary-pink));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 25px;
}

.feature-card {
    text-align: center;
    padding: 30px 20px;
    background: rgba(26, 26, 46, 0.4);
    border-radius: 16px;
    border: 1px solid var(--card-border);
    transition: all 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-5px);
    border-color: var(--primary-purple);
    box-shadow: 0 10px 25px var(--glow-purple);
}

.feature-icon {
    width: 70px;
    height: 70px;
    margin: 0 auto 20px;
    background: linear-gradient(135deg, var(--primary-purple), var(--primary-pink));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 30px;
}

.feature-card h4 {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 10px;
    color: var(--text-primary);
}

.feature-card p {
    color: var(--text-secondary);
    font-size: 14px;
}

/* Footer */
.footer {
    margin-top: 50px;
    padding: 30px 0;
    border-top: 1px solid var(--card-border);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
}

.footer-content p {
    color: var(--text-secondary);
    font-size: 14px;
}

.footer-links {
    display: flex;
    gap: 15px;
}

.footer-links a {
    width: 40px;
    height: 40px;
    background: rgba(26, 26, 46, 0.6);
    border: 1px solid var(--card-border);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-primary);
    transition: all 0.3s ease;
    text-decoration: none;
}

.footer-links a:hover {
    background: var(--primary-purple);
    border-color: var(--primary-purple);
    transform: translateY(-3px);
    box-shadow: 0 5px 15px var(--glow-purple);
}

/* Utility */
.hidden {
    display: none !important;
}

/* Responsive */
@media (max-width: 768px) {
    .container {
        padding: 15px;
    }
    
    .main-content {
        padding: 25px;
    }
    
    .logo-container {
        flex-direction: column;
        gap: 15px;
    }
    
    .logo-image {
        width: 100px;
        height: 100px;
    }
    
    .logo-title {
        font-size: 2rem;
        text-align: center;
    }
    
    .logo-subtitle {
        text-align: center;
    }
    
    .input-wrapper {
        flex-direction: column;
    }
    
    .platform-selector {
        grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    }
    
    .media-preview {
        flex-direction: column;
        text-align: center;
    }
    
    .preview-wrapper {
        width: 100%;
        max-width: 300px;
        margin: 0 auto;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        flex-direction: column;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .logo-title {
        font-size: 1.5rem;
    }
    
    .platform-selector {
        grid-template-columns: 1fr;
    }
}