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

:root {
    --primary-color: #FF0050;
    --primary-dark: #FE2C55;
    --primary-light: #FF1744;
    --secondary-color: #25F4EE;
    --accent-cyan: #00FFFF;
    --background: #000000;
    --surface: #161823;
    --surface-light: #1F1F2E;
    --text-primary: #ffffff;
    --text-secondary: #A8A8A8;
    --border-color: #2F2F3E;
    --success: #10b981;
    --error: #FF0050;
    --gradient: linear-gradient(135deg, #FF0050 0%, #FE2C55 50%, #FF1744 100%);
    --gradient-cyan: linear-gradient(135deg, #00FFFF 0%, #25F4EE 100%);
}

html[data-theme="light"],
[data-theme="light"] {
    --background: #ffffff;
    --surface: #f8f8f8;
    --surface-light: #f0f0f0;
    --text-primary: #161823;
    --text-secondary: #767676;
    --border-color: #e0e0e0;
}

html[data-theme="dark"],
[data-theme="dark"] {
    --background: #000000;
    --surface: #161823;
    --surface-light: #1F1F2E;
    --text-primary: #ffffff;
    --text-secondary: #A8A8A8;
    --border-color: #2F2F3E;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--background);
    color: var(--text-primary);
    min-height: 100vh;
    padding: 20px;
    padding-top: 80px;
    line-height: 1.6;
    transition: background-color 0.2s ease, color 0.2s ease;
}

html[dir="rtl"] body {
    direction: rtl;
    text-align: right;
}

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: var(--surface);
    border-bottom: 1px solid var(--border-color);
    z-index: 1000;
    padding: 12px 20px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.navbar-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 20px;
}

.navbar-left,
.navbar-right {
    flex: 0 0 auto;
    display: flex;
    align-items: center;
}

.navbar-center {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo h1 {
    font-size: 24px;
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.language-selector {
    position: relative;
}

.lang-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 16px;
    background: var(--surface);
    border: 2px solid var(--border-color);
    border-radius: 12px;
    color: var(--text-primary);
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    font-family: inherit;
}

.lang-btn:hover {
    border-color: var(--primary-color);
    background: var(--surface-light);
}

.lang-dropdown {
    position: absolute;
    top: calc(100% + 8px);
    left: 0;
    background: var(--surface);
    border: 2px solid var(--border-color);
    border-radius: 12px;
    padding: 8px;
    min-width: 200px;
    z-index: 1000;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    display: none;
    max-height: 400px;
    overflow-y: auto;
}

.lang-dropdown.show {
    display: block;
}

.lang-option {
    padding: 10px 12px;
    border-radius: 8px;
    cursor: pointer;
    transition: background 0.2s ease;
    display: flex;
    align-items: center;
    gap: 8px;
}

.lang-option:hover {
    background: var(--surface-light);
}

.theme-toggle {
    cursor: pointer;
}

.theme-toggle input {
    display: none;
}

.toggle-slider {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 12px;
    background: var(--surface-light);
    border-radius: 20px;
    border: 1px solid var(--border-color);
}

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

.download-card {
    background: var(--surface);
    border-radius: 20px;
    padding: 40px;
    margin: 20px 0;
    border: 1px solid var(--border-color);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
}

.input-wrapper {
    display: flex;
    gap: 12px;
    margin-bottom: 20px;
}

.input-wrapper input {
    flex: 1;
    padding: 16px 20px;
    border-radius: 12px;
    border: 2px solid var(--border-color);
    background: var(--surface-light);
    color: var(--text-primary);
    font-size: 16px;
    font-family: inherit;
    transition: border-color 0.2s ease;
}

.input-wrapper input:focus {
    outline: none;
    border-color: var(--primary-color);
}

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

.download-btn {
    padding: 16px 32px;
    background: var(--gradient);
    color: #fff;
    border: none;
    border-radius: 12px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    box-shadow: 0 4px 15px rgba(255, 0, 80, 0.3);
    font-family: inherit;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    min-width: 140px;
    transform: perspective(500px) rotateX(2deg);
}

.download-btn:hover {
    transform: perspective(500px) rotateX(2deg) translateY(-3px);
    box-shadow: 0 8px 25px rgba(255, 0, 80, 0.5);
}

.download-btn:active {
    transform: perspective(500px) rotateX(2deg) scale(0.98);
}

.download-btn:disabled {
    opacity: 0.7;
    cursor: not-allowed;
}

.spinner {
    animation: spin 1s linear infinite;
}

@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.trust-rating {
    text-align: center;
    margin: 20px 0;
}

.rating-stars {
    color: #FFD700;
    font-size: 24px;
}

.rating-score {
    font-size: 20px;
    font-weight: 700;
    color: var(--primary-color);
}

.trust-badges {
    display: flex;
    justify-content: center;
    gap: 12px;
    margin-top: 10px;
    flex-wrap: wrap;
}

.badge {
    background: var(--surface-light);
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 14px;
    border: 1px solid var(--border-color);
    transition: transform 0.2s ease;
}

.badge:hover {
    transform: translateY(-2px);
}

.badge-3d {
    background: linear-gradient(145deg, var(--surface-light), var(--surface));
    box-shadow: 3px 3px 8px rgba(0, 0, 0, 0.3), -2px -2px 5px rgba(255, 255, 255, 0.05);
    transform: perspective(500px) rotateX(5deg);
}

.badge-3d:hover {
    transform: perspective(500px) rotateX(5deg) translateY(-3px);
    box-shadow: 5px 5px 12px rgba(0, 0, 0, 0.4), -3px -3px 8px rgba(255, 255, 255, 0.08);
}

.trust-indicators {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 16px;
    margin-top: 30px;
}

.trust-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px;
    background: var(--surface-light);
    border-radius: 12px;
    border: 1px solid var(--border-color);
    transition: transform 0.2s ease;
}

.trust-item:hover {
    transform: translateY(-3px);
}

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

.result-section {
    margin-top: 30px;
    padding-top: 30px;
    border-top: 1px solid var(--border-color);
}

.media-preview {
    text-align: center;
    margin-bottom: 20px;
}

.media-preview img,
.media-preview video {
    max-width: 100%;
    max-height: 400px;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.download-links {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    justify-content: center;
}

.download-link {
    padding: 14px 28px;
    background: linear-gradient(135deg, #10b981, #059669);
    color: #fff;
    border-radius: 10px;
    text-decoration: none;
    font-weight: 600;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    box-shadow: 0 4px 15px rgba(16, 185, 129, 0.3);
}

.download-link:hover {
    transform: translateY(-3px) scale(1.02);
    box-shadow: 0 8px 25px rgba(16, 185, 129, 0.5);
}

.error-message {
    background: rgba(255, 0, 80, 0.1);
    border: 1px solid var(--primary-color);
    color: var(--primary-color);
    padding: 16px;
    border-radius: 12px;
    text-align: center;
    margin-bottom: 20px;
}

.section-title {
    font-size: 28px;
    font-weight: 700;
    text-align: center;
    margin-bottom: 10px;
}

.section-divider {
    width: 60px;
    height: 4px;
    background: var(--gradient);
    margin: 0 auto 20px;
    border-radius: 2px;
}

.steps-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
    margin-top: 30px;
}

.step-card {
    background: var(--surface);
    border-radius: 16px;
    padding: 30px;
    text-align: center;
    border: 1px solid var(--border-color);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.step-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.step-number {
    width: 40px;
    height: 40px;
    background: var(--gradient);
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 15px;
    font-weight: 700;
    font-size: 18px;
}

.step-icon {
    font-size: 40px;
    margin-bottom: 15px;
}

.faq-container {
    max-width: 800px;
    margin: 30px auto 0;
}

.faq-item {
    background: var(--surface);
    border-radius: 12px;
    margin-bottom: 12px;
    border: 1px solid var(--border-color);
    overflow: hidden;
    transition: box-shadow 0.3s ease;
}

.faq-item:hover {
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.2);
}

.faq-question {
    padding: 20px;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-weight: 600;
    transition: background 0.2s ease;
}

.faq-question:hover {
    background: var(--surface-light);
}

.faq-answer {
    padding: 0 20px 0;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease, padding 0.3s ease;
}

.faq-item.active .faq-answer {
    max-height: 500px;
    padding: 0 20px 20px;
}

.faq-icon {
    font-size: 24px;
    transition: transform 0.3s ease;
    color: var(--primary-color);
}

.faq-item.active .faq-icon {
    transform: rotate(45deg);
}

.seo-footer {
    padding: 40px 20px;
    background: var(--surface);
    margin-top: 40px;
    border-radius: 16px;
    border: 1px solid var(--border-color);
}

.seo-content {
    max-width: 1000px;
    margin: 0 auto;
}

.seo-content p {
    margin-bottom: 16px;
    color: var(--text-secondary);
    font-size: 14px;
    line-height: 1.8;
}

footer {
    padding: 40px 20px;
    background: var(--surface);
    margin-top: 40px;
    border-top: 1px solid var(--border-color);
    border-radius: 16px 16px 0 0;
}

.footer-links {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 20px;
    margin-bottom: 20px;
}

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

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

.tools-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
    gap: 12px;
    margin-top: 20px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.tool-link {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 16px;
    background: var(--surface-light);
    border-radius: 12px;
    text-decoration: none;
    color: var(--text-primary);
    transition: transform 0.2s ease, background 0.2s ease;
    border: 1px solid var(--border-color);
}

.tool-link:hover {
    transform: translateY(-5px);
    background: var(--border-color);
}

.tool-icon {
    font-size: 32px;
    margin-bottom: 8px;
}

.ads-container {
    margin: 20px 0;
    min-height: 90px;
}

.adblock-modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.95);
    z-index: 9999;
    display: none;
    align-items: center;
    justify-content: center;
}

.adblock-content {
    background: var(--surface);
    padding: 40px;
    border-radius: 20px;
    text-align: center;
    max-width: 500px;
    margin: 20px;
    border: 1px solid var(--border-color);
}

@media (max-width: 768px) {
    body {
        padding-top: 70px;
    }
    
    .navbar-container {
        flex-wrap: wrap;
        gap: 10px;
    }
    
    .input-wrapper {
        flex-direction: column;
    }
    
    .download-btn {
        width: 100%;
    }
    
    .download-card {
        padding: 20px;
    }
    
    .steps-container {
        grid-template-columns: 1fr;
    }
    
    .trust-indicators {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .lang-btn span:not(.lang-icon) {
        display: none;
    }
    
    .lang-btn {
        padding: 10px;
    }
    
    .section-title {
        font-size: 22px;
    }
}

@media (max-width: 480px) {
    .trust-indicators {
        grid-template-columns: 1fr;
    }
    
    .tools-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .trust-badges {
        gap: 8px;
    }
    
    .badge {
        font-size: 12px;
        padding: 6px 12px;
    }
}

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--surface);
}

::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--text-secondary);
}