:root {
    --bg-primary: #1a1a2e;
    --bg-secondary: #16213e;
    --bg-card: rgba(255, 255, 255, 0.05);
    --text-primary: #ffffff;
    --text-secondary: #cccccc;
    --text-muted: #888888;
    --accent-primary: #00ffff;
    --accent-secondary: #0080ff;
    --border-color: rgba(255, 255, 255, 0.1);
    --shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
    --header-bg: rgba(26, 26, 46, 0.95);
    --header-bg-scrolled: rgba(26, 26, 46, 0.98);
    --footer-bg: rgba(0, 0, 0, 0.5);
}

[data-theme="light"] {
    --bg-primary: #f0f2f5;
    --bg-secondary: #ffffff;
    --bg-card: #ffffff;
    --text-primary: #1a1a1a;
    --text-secondary: #404040;
    --text-muted: #666666;
    --accent-primary: #0056b3;
    --accent-secondary: #003d82;
    --border-color: #d0d7de;
    --shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
    --header-bg: rgba(33, 37, 41, 0.98);
    --header-bg-scrolled: rgba(33, 37, 41, 0.99);
    --footer-bg: rgba(33, 37, 41, 0.95);
    --shadow-light: 0 2px 8px rgba(0, 0, 0, 0.06);
    --shadow-medium: 0 4px 16px rgba(0, 0, 0, 0.08);
    --shadow-heavy: 0 8px 32px rgba(0, 0, 0, 0.12);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    transition: background-color 0.3s ease, color 0.3s ease, border-color 0.3s ease;
}

html, body {
    max-width: 100%;
    overflow-x: hidden;
}

html {
    overflow-x: hidden;
}

body {
    font-family: 'Arial', sans-serif;
    background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
    color: var(--text-primary);
    line-height: 1.6;
    margin: 0;
    padding: 0;
    overflow-x: hidden;
    width: 100%;
    position: relative;
}



#mainHeader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: var(--header-bg);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    padding: 15px 0;
    transition: all 0.3s ease;
    z-index: 1001;
    max-width: 100%;
    overflow: visible;
}

#mainHeader.scrolled {
    padding: 8px 0;
    background: var(--header-bg-scrolled);
}



.header-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 20px;
    gap: 20px;
    position: relative;
    overflow: visible;
    width: 100%;
}

.logo h1 {
    font-size: 2.5em;
    font-weight: bold;
    color: var(--accent-primary);
    text-shadow: 0 0 10px rgba(0, 255, 255, 0.5);
}

[data-theme="light"] .logo h1 {
    color: #ffffff;
    text-shadow: 0 0 10px rgba(255, 255, 255, 0.3);
}

.logo span {
    font-size: 0.8em;
    color: var(--text-muted);
    margin-left: 5px;
}



.main-nav {
    display: flex;
    gap: 25px;
    flex: 1;
    justify-content: center;
    align-items: center;
}

.main-nav a {
    color: var(--text-primary);
    text-decoration: none;
    padding: 8px 15px;
    border-radius: 5px;
    transition: all 0.3s ease;
    position: relative;
    font-size: 0.95em;
    white-space: nowrap;
}

[data-theme="light"] .main-nav a {
    color: #ffffff;
    font-weight: 500;
}

.main-nav a:hover,
.main-nav a.active {
    background: rgba(0, 255, 255, 0.1);
    color: var(--accent-primary);
}

[data-theme="light"] .main-nav a:hover,
[data-theme="light"] .main-nav a.active {
    background: rgba(255, 255, 255, 0.15);
    color: #ffffff;
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.main-nav a.active::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 15px;
    right: 15px;
    height: 2px;
    background: var(--accent-primary);
}



.header-controls {
    display: flex;
    align-items: center;
    gap: 12px;
    position: relative;
    z-index: 1003;
}

.language-switcher {
    position: relative;
    z-index: 1003;
    display: inline-block;
}

.user-menu {
    position: relative;
    z-index: 1003;
    display: inline-block;
}

.lang-btn {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 8px 12px;
    border-radius: 6px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 6px;
    transition: all 0.3s ease;
    font-size: 0.9em;
}

[data-theme="light"] .lang-btn {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.25);
    color: #ffffff;
    font-weight: 500;
}

.lang-btn:hover {
    background: rgba(0, 255, 255, 0.1);
    border-color: var(--accent-primary);
}

[data-theme="light"] .lang-btn:hover {
    background: rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 255, 255, 0.4);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(255, 255, 255, 0.15);
}

.lang-dropdown {
    position: absolute;
    top: 100%;
    right: 0;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 6px 0;
    min-width: 110px;
    box-shadow: var(--shadow);
    display: none;
    z-index: 1004;
    animation: dropdownFade 0.2s ease;
    margin-top: 5px;
}

.user-dropdown {
    position: absolute;
    top: 100%;
    right: 0;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 6px 0;
    min-width: 160px;
    box-shadow: var(--shadow);
    display: none;
    z-index: 1004;
    animation: dropdownFade 0.2s ease;
    margin-top: 5px;
}

[data-theme="light"] .lang-dropdown,
[data-theme="light"] .user-dropdown {
    background: var(--header-bg-scrolled);
    border-color: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(20px);
}

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

.lang-option {
    width: 100%;
    background: none;
    border: none;
    color: var(--text-primary);
    padding: 8px 14px;
    text-align: left;
    cursor: pointer;
    transition: background-color 0.3s ease;
    font-size: 0.9em;
}

[data-theme="light"] .lang-option {
    color: #ffffff;
    font-weight: 500;
}

.lang-option:hover {
    background: rgba(0, 255, 255, 0.1);
}



.theme-switcher .theme-btn {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    width: 36px;
    height: 36px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    font-size: 0.9em;
}

[data-theme="light"] .theme-btn {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.25);
    color: #ffffff;
    font-weight: 500;
}

.theme-btn:hover {
    background: rgba(0, 255, 255, 0.1);
    border-color: var(--accent-primary);
    transform: rotate(15deg);
}

[data-theme="light"] .theme-btn:hover {
    background: rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 255, 255, 0.4);
    transform: translateY(-1px) rotate(15deg);
    box-shadow: 0 4px 12px rgba(255, 255, 255, 0.15);
}

.user-widget .auth-buttons {
    display: flex;
    gap: 8px;
}

.auth-btn {
    padding: 8px 16px;
    border-radius: 6px;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
    font-size: 0.9em;
}

.login-btn {
    background: transparent;
    border: 1px solid var(--accent-primary);
    color: var(--accent-primary);
}

[data-theme="light"] .login-btn {
    border: 1px solid rgba(255, 255, 255, 0.6);
    color: #ffffff;
    font-weight: 500;
}

.login-btn:hover {
    background: rgba(0, 255, 255, 0.1);
}

[data-theme="light"] .login-btn:hover {
    background: rgba(255, 255, 255, 0.15);
    border-color: #ffffff;
}

.register-btn {
    background: var(--accent-primary);
    border: 1px solid var(--accent-primary);
    color: #000;
}

[data-theme="light"] .register-btn {
    background: rgba(255, 255, 255, 0.9);
    border: 1px solid rgba(255, 255, 255, 0.9);
    color: #1a1a1a;
    font-weight: 600;
}

.register-btn:hover {
    background: var(--accent-secondary);
    transform: translateY(-2px);
}

[data-theme="light"] .register-btn:hover {
    background: #ffffff;
    border-color: #ffffff;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(255, 255, 255, 0.3);
}

.user-btn {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 8px 12px;
    border-radius: 6px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 6px;
    transition: all 0.3s ease;
    font-size: 0.9em;
}

[data-theme="light"] .user-btn {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.25);
    color: #ffffff;
    font-weight: 500;
}

.user-btn:hover {
    background: rgba(0, 255, 255, 0.1);
    border-color: var(--accent-primary);
}

[data-theme="light"] .user-btn:hover {
    background: rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 255, 255, 0.4);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(255, 255, 255, 0.15);
}

.user-avatar {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: var(--accent-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #000;
    font-size: 0.8em;
}

.user-dropdown-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 14px;
    color: var(--text-primary);
    text-decoration: none;
    transition: background-color 0.3s ease;
    font-size: 0.9em;
}

[data-theme="light"] .user-dropdown-item {
    color: #ffffff;
    font-weight: 500;
}

.user-dropdown-item:hover {
    background: rgba(0, 255, 255, 0.1);
}



.user-dropdown-item.logout {
    color: #ff4444;
}

.user-dropdown-divider {
    height: 1px;
    background: var(--border-color);
    margin: 6px 0;
}



#mainContent {
    margin-top: 80px;
    min-height: calc(100vh - 120px);
    padding: 20px;
    width: 100%;
    max-width: 100%;
    overflow-x: hidden;
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 1.5em;
    cursor: pointer;
    padding: 5px;
    border-radius: 4px;
    transition: all 0.3s ease;
    width: 40px;
    height: 40px;
    align-items: center;
    justify-content: center;
}

.mobile-menu-btn:hover {
    background: rgba(0, 255, 255, 0.1);
    color: var(--accent-primary);
}





.mobile-nav {
    display: none;
    position: fixed;
    top: 70px;
    left: 0;
    right: 0;
    background: var(--header-bg-scrolled);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
    padding: 20px;
    z-index: 1002;
    box-shadow: var(--shadow);
    width: 100%;
}

#mainHeader.scrolled .mobile-nav {
    top: 58px;
}

.mobile-nav.show {
    display: block;
    animation: slideDown 0.3s ease;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.mobile-nav-links {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.mobile-nav-link {
    color: var(--text-primary);
    text-decoration: none;
    padding: 12px 15px;
    border-radius: 6px;
    transition: all 0.3s ease;
    border: 1px solid transparent;
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1em;
}

[data-theme="light"] .mobile-nav-link {
    color: #ffffff;
    font-weight: 500;
}

.mobile-nav-link:hover,
.mobile-nav-link.active {
    background: rgba(0, 255, 255, 0.1);
    color: var(--accent-primary);
    border-color: var(--accent-primary);
}

[data-theme="light"] .mobile-nav-link:hover,
[data-theme="light"] .mobile-nav-link.active {
    background: rgba(255, 255, 255, 0.15);
    color: #ffffff;
    border-color: rgba(255, 255, 255, 0.3);
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    max-width: 1200px;
    margin: 0 auto;
    padding: 40px 20px;
    width: 100%;
    max-width: 100%;
    overflow-x: hidden;
}

.pricing-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 15px;
    padding: 40px 30px;
    text-align: center;
    backdrop-filter: blur(10px);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.pricing-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--accent-primary), var(--accent-secondary));
}

.pricing-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow);
}

[data-theme="light"] .pricing-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

[data-theme="light"] .pricing-card:hover {
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
    border-color: var(--accent-primary);
}

.pricing-card.free::before {
    background: linear-gradient(90deg, #00ff00, #008000);
}

.price {
    font-size: 3em;
    font-weight: bold;
    color: var(--accent-primary);
    margin: 20px 0;
}

[data-theme="light"] .price {
    color: var(--accent-primary);
    text-shadow: 0 2px 4px rgba(0, 86, 179, 0.2);
}

.pricing-card.free .price {
    color: #00ff00;
}

.savings {
    color: #00ff00;
    font-weight: bold;
    margin: 10px 0;
}

[data-theme="light"] .savings {
    color: #28a745;
    font-weight: 600;
}

.period {
    color: var(--text-muted);
    margin: 10px 0 20px;
}

[data-theme="light"] .period {
    color: var(--text-muted);
    font-weight: 500;
}

.btn {
    display: inline-block;
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    color: #000;
    padding: 12px 30px;
    border-radius: 6px;
    text-decoration: none;
    font-weight: bold;
    border: none;
    cursor: pointer;
    transition: all 0.3s ease;
    margin-top: 20px;
}

.btn:hover {
    transform: scale(1.05);
    box-shadow: 0 10px 20px rgba(0, 255, 255, 0.3);
}





.btn.free {
    background: linear-gradient(135deg, #00ff00, #008000);
    color: #000;
}

.faq-section {
    max-width: 800px;
    margin: 0 auto;
    padding: 40px 20px;
    width: 100%;
    max-width: 100%;
    overflow-x: hidden;
}

.faq-item {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    padding: 20px;
    margin-bottom: 20px;
    backdrop-filter: blur(10px);
}

[data-theme="light"] .faq-item {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
}

[data-theme="light"] .faq-item:hover {
    border-color: var(--accent-primary);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.faq-question {
    color: var(--accent-primary);
    font-weight: bold;
    margin-bottom: 10px;
}

.faq-answer {
    color: var(--text-secondary);
}

[data-theme="light"] .faq-answer {
    color: var(--text-secondary);
    line-height: 1.6;
}

.main-footer {
    background: var(--footer-bg);
    padding: 30px 20px;
    text-align: center;
    border-top: 1px solid var(--border-color);
    width: 100%;
    max-width: 100%;
}



.footer-links {
    margin-bottom: 15px;
}

.footer-links a {
    color: var(--text-muted);
    text-decoration: none;
    margin: 0 12px;
    transition: color 0.3s ease;
    font-size: 0.9em;
}

[data-theme="light"] .footer-links a {
    color: rgba(255, 255, 255, 0.8);
    font-weight: 500;
}

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



.copyright {
    color: var(--text-muted);
    font-size: 0.85em;
}



@keyframes dropdownFade {
    from {
        opacity: 0;
        transform: translateY(-5px) scale(0.95);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.lang-btn:hover, .theme-btn:hover, .user-btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 8px rgba(0, 255, 255, 0.2);
}

[data-theme="light"] .lang-btn:hover,
[data-theme="light"] .theme-btn:hover,


body, #mainHeader, .main-footer {
    transition: background-color 0.5s ease, color 0.5s ease, border-color 0.5s ease;
}

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

.logo-link {
    display: flex;
    align-items: center;
    text-decoration: none;
    transition: transform 0.3s ease;
}

.logo-link:hover {
    transform: scale(1.05);
}

.logo-image {
    height: 40px;
    width: auto;
    max-width: 180px;
    object-fit: contain;
    filter: drop-shadow(0 0 10px rgba(0, 255, 255, 0.5));
    transition: all 0.3s ease;
}



.logo-image:hover {
    filter: drop-shadow(0 0 15px rgba(0, 255, 255, 0.8));
}



.lang-btn, .theme-btn, .user-btn, .auth-btn, .btn, .mobile-menu-btn {
    cursor: pointer !important;
    user-select: none;
}

.lang-btn:focus, .theme-btn:focus, .user-btn:focus, .mobile-menu-btn:focus {
    outline: 2px solid var(--accent-primary);
    outline-offset: 2px;
}

.lang-dropdown, .user-dropdown, .mobile-nav {
    z-index: 1002 !important;
}

@media (max-width: 1024px) {
    .header-container {
        gap: 15px;
    }
    
    .main-nav {
        gap: 15px;
    }
    
    .main-nav a {
        padding: 6px 12px;
        font-size: 0.9em;
    }
    
    .header-controls {
        gap: 10px;
    }
}

@media (max-width: 768px) {
    body {
        overflow-x: hidden;
        width: 100%;
        position: relative;
    }
    
    #mainHeader {
        width: 100%;
        left: 0;
        right: 0;
        padding: 12px 0;
    }
    
    #mainHeader.scrolled {
        padding: 8px 0;
    }
    
    .header-container {
        flex-wrap: wrap;
        gap: 10px;
        width: 100%;
        max-width: 100%;
        padding: 0 15px;
        margin: 0;
    }
    
    .main-nav {
        display: none;
    }
    
    .mobile-menu-btn {
        display: flex;
    }
    
    .logo {
        order: 1;
        flex: 1;
        max-width: 100%;
        overflow: hidden;
    }
    
    .mobile-menu-btn {
        order: 2;
        max-width: 100%;
    }
    
    .header-controls {
        order: 3;
        flex: 0 0 auto;
        max-width: 100%;
    }
    
    #mainContent {
        margin-top: 70px;
        padding: 15px;
    }
    
    .user-btn .user-name {
        display: none;
    }
    
    .lang-btn .lang-text {
        display: none;
    }
    
    .auth-btn {
        padding: 6px 12px;
        font-size: 0.85em;
    }
    
    .logo-image {
        height: 35px;
        max-width: 150px;
        max-width: 100%;
    }
    
    .pricing-grid {
        grid-template-columns: 1fr;
        padding: 20px 10px;
        gap: 20px;
    }
    
    .pricing-card {
        padding: 25px 20px;
    }
    
    .main-footer {
        padding: 20px 15px;
    }
    
    .footer-links a {
        margin: 0 8px;
        font-size: 0.85em;
    }
    
    .lang-dropdown {
        position: fixed;
        top: 62px !important;
        right: 15px;
        min-width: 100px;
        max-width: calc(100vw - 30px);
    }
    
    .user-dropdown {
        position: fixed;
        top: 62px !important;
        right: 15px;
        min-width: 140px;
        max-width: calc(100vw - 30px);
    }
    
    .mobile-nav {
        top: 62px;
        width: 100%;
        left: 0;
        right: 0;
    }
    
    #mainHeader.scrolled .lang-dropdown,
    #mainHeader.scrolled .user-dropdown {
        top: 50px !important;
    }
    
    #mainHeader.scrolled .mobile-nav {
        top: 50px;
    }
}

@media (max-width: 480px) {
    .header-container {
        padding: 0 12px;
    }
    
    #mainHeader {
        padding: 10px 0;
    }
    
    .logo-image {
        height: 30px;
        max-width: 130px;
    }
    
    .header-controls {
        gap: 8px;
    }
    
    .lang-btn,
    .theme-btn,
    .user-btn {
        padding: 6px 8px;
    }
    
    .theme-btn {
        width: 32px;
        height: 32px;
    }
    
    .user-avatar {
        width: 24px;
        height: 24px;
    }
    
    #mainContent {
        margin-top: 60px;
        padding: 10px;
    }
    
    .mobile-nav {
        top: 52px;
        padding: 15px;
    }
    
    .mobile-nav-link {
        padding: 10px 12px;
        font-size: 0.9em;
    }
    
    .lang-dropdown {
        top: 52px !important;
        right: 12px;
        max-width: calc(100vw - 24px);
    }
    
    .user-dropdown {
        top: 52px !important;
        right: 12px;
        max-width: calc(100vw - 24px);
    }
    
    #mainHeader.scrolled .lang-dropdown,
    #mainHeader.scrolled .user-dropdown {
        top: 42px !important;
    }
    
    #mainHeader.scrolled .mobile-nav {
        top: 42px;
    }
}

img, video, iframe {
    max-width: 100%;
    height: auto;
}

.auth-container {
    max-width: 400px;
    margin: 40px auto;
    padding: 20px;
}

.auth-form {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    padding: 30px;
    backdrop-filter: blur(10px);
}

.auth-form h2 {
    text-align: center;
    margin-bottom: 30px;
    color: var(--accent-primary);
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 5px;
    color: var(--text-secondary);
    font-weight: 500;
}

.form-group input {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    background: var(--bg-secondary);
    color: var(--text-primary);
    font-size: 16px;
    transition: all 0.3s ease;
}

.form-group input:focus {
    outline: none;
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 2px rgba(0, 255, 255, 0.1);
}

.password-input {
    position: relative;
}

.toggle-password {
    position: absolute;
    right: 10px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    padding: 5px;
    border-radius: 4px;
    transition: all 0.3s ease;
}

.toggle-password:hover {
    background: rgba(0, 255, 255, 0.1);
    color: var(--accent-primary);
}

.checkbox {
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
}

.checkbox input {
    width: auto;
}

.checkbox span {
    color: var(--text-secondary);
}

.alert {
    padding: 15px;
    border-radius: 6px;
    margin-bottom: 20px;
}

.alert-success {
    background: rgba(0, 255, 0, 0.1);
    border: 1px solid #00ff00;
    color: #00ff00;
}

.alert-error {
    background: rgba(255, 0, 0, 0.1);
    border: 1px solid #ff4444;
    color: #ff4444;
}

.auth-links {
    text-align: center;
    margin-top: 20px;
}

.auth-links a {
    color: var(--accent-primary);
    text-decoration: none;
    display: block;
    margin-bottom: 8px;
}

.auth-links a:hover {
    text-decoration: underline;
}

.btn-primary {
    max-width: 300px;
    width: 100%;
    padding: 12px;
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    color: #000;
    border: none;
    border-radius: 6px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(0, 255, 255, 0.3);
}


[data-theme="light"] {
    --bg-primary: #e6f0ff;
    --bg-secondary: #f5f9ff;
    --bg-card: #ffffff;
    --text-primary: #1a365d;
    --text-secondary: #2d3748;
    --text-muted: #4a5568;
    --accent-primary: #3182ce;
    --accent-secondary: #2b6cb0;
    --border-color: #c3dafe;
    --shadow: 0 8px 24px rgba(49, 130, 206, 0.12);
    --header-bg: rgba(49, 130, 206, 0.95);
    --header-bg-scrolled: rgba(49, 130, 206, 0.98);
    --footer-bg: rgba(49, 130, 206, 0.9);
    --shadow-light: 0 2px 8px rgba(49, 130, 206, 0.08);
    --shadow-medium: 0 4px 16px rgba(49, 130, 206, 0.12);
    --shadow-heavy: 0 8px 32px rgba(49, 130, 206, 0.15);
}

[data-theme="light"] body {
    background: linear-gradient(135deg, var(--bg-primary) 0%, #dbeafe 100%);
}

[data-theme="light"] .logo h1 {
    color: #ffffff;
    text-shadow: 0 0 10px rgba(255, 255, 255, 0.4);
}

[data-theme="light"] .logo span {
    color: rgba(255, 255, 255, 0.8);
}

[data-theme="light"] .main-nav a {
    color: #ffffff;
    font-weight: 500;
}

[data-theme="light"] .main-nav a:hover,
[data-theme="light"] .main-nav a.active {
    background: rgba(255, 255, 255, 0.2);
    color: #ffffff;
    border: 1px solid rgba(255, 255, 255, 0.4);
}

[data-theme="light"] .main-nav a.active::after {
    background: #ffffff;
}

[data-theme="light"] .lang-btn {
    background: rgba(255, 255, 255, 0.15);
    border-color: rgba(255, 255, 255, 0.3);
    color: #ffffff;
    font-weight: 500;
}

[data-theme="light"] .lang-btn:hover {
    background: rgba(255, 255, 255, 0.25);
    border-color: rgba(255, 255, 255, 0.5);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(255, 255, 255, 0.2);
}

[data-theme="light"] .theme-btn {
    background: rgba(255, 255, 255, 0.15);
    border-color: rgba(255, 255, 255, 0.3);
    color: #ffffff;
    font-weight: 500;
}

[data-theme="light"] .theme-btn:hover {
    background: rgba(255, 255, 255, 0.25);
    border-color: rgba(255, 255, 255, 0.5);
    transform: translateY(-1px) rotate(15deg);
    box-shadow: 0 4px 12px rgba(255, 255, 255, 0.2);
}

[data-theme="light"] .login-btn {
    border: 1px solid rgba(255, 255, 255, 0.7);
    color: #ffffff;
    font-weight: 500;
}

[data-theme="light"] .login-btn:hover {
    background: rgba(255, 255, 255, 0.2);
    border-color: #ffffff;
}

[data-theme="light"] .register-btn {
    background: rgba(255, 255, 255, 0.95);
    border: 1px solid rgba(255, 255, 255, 0.95);
    color: #3182ce;
    font-weight: 600;
}

[data-theme="light"] .register-btn:hover {
    background: #ffffff;
    border-color: #ffffff;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(255, 255, 255, 0.4);
}

[data-theme="light"] .user-btn {
    background: rgba(255, 255, 255, 0.15);
    border-color: rgba(255, 255, 255, 0.3);
    color: #ffffff;
    font-weight: 500;
}

[data-theme="light"] .user-btn:hover {
    background: rgba(255, 255, 255, 0.25);
    border-color: rgba(255, 255, 255, 0.5);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(255, 255, 255, 0.2);
}

[data-theme="light"] .lang-dropdown,
[data-theme="light"] .user-dropdown {
    background: var(--header-bg-scrolled);
    border-color: rgba(255, 255, 255, 0.25);
    backdrop-filter: blur(20px);
}

[data-theme="light"] .lang-option {
    color: #ffffff;
    font-weight: 500;
}

[data-theme="light"] .lang-option:hover {
    background: rgba(255, 255, 255, 0.2);
}

[data-theme="light"] .user-dropdown-item {
    color: #ffffff;
    font-weight: 500;
}

[data-theme="light"] .user-dropdown-item:hover {
    background: rgba(255, 255, 255, 0.2);
}

[data-theme="light"] .user-dropdown-divider {
    background: rgba(255, 255, 255, 0.25);
}

[data-theme="light"] .pricing-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    box-shadow: 0 4px 12px rgba(49, 130, 206, 0.1);
}

[data-theme="light"] .pricing-card:hover {
    box-shadow: 0 8px 24px rgba(49, 130, 206, 0.15);
    border-color: var(--accent-primary);
}

[data-theme="light"] .price {
    color: var(--accent-primary);
    text-shadow: 0 2px 4px rgba(49, 130, 206, 0.2);
}

[data-theme="light"] .savings {
    color: #2d7d3e;
    font-weight: 600;
}

[data-theme="light"] .period {
    color: var(--text-muted);
    font-weight: 500;
}

[data-theme="light"] .btn {
    color: #ffffff;
}

[data-theme="light"] .btn:hover {
    box-shadow: 0 10px 20px rgba(49, 130, 206, 0.3);
}

[data-theme="light"] .faq-item {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    box-shadow: 0 2px 8px rgba(49, 130, 206, 0.08);
}

[data-theme="light"] .faq-item:hover {
    border-color: var(--accent-primary);
    box-shadow: 0 4px 12px rgba(49, 130, 206, 0.12);
}

[data-theme="light"] .faq-answer {
    color: var(--text-secondary);
    line-height: 1.6;
}

[data-theme="light"] .main-footer {
    border-top-color: rgba(255, 255, 255, 0.15);
}

[data-theme="light"] .footer-links a {
    color: rgba(255, 255, 255, 0.85);
    font-weight: 500;
}

[data-theme="light"] .footer-links a:hover {
    color: #ffffff;
}

[data-theme="light"] .copyright {
    color: rgba(255, 255, 255, 0.8);
}

[data-theme="light"] .logo-image {
    filter: drop-shadow(0 0 10px rgba(0, 0, 0, 0.3)) brightness(255) invert(0);
}

[data-theme="light"] .logo-image:hover {
    filter: drop-shadow(0 0 15px rgba(0, 0, 0, 0.5)) brightness(255) invert(0);
}

[data-theme="light"] .mobile-menu-btn {
    color: #ffffff;
}

[data-theme="light"] .mobile-menu-btn:hover {
    background: rgba(255, 255, 255, 0.15);
}

[data-theme="light"] .mobile-nav-link {
    color: #ffffff;
    font-weight: 500;
}

[data-theme="light"] .mobile-nav-link:hover,
[data-theme="light"] .mobile-nav-link.active {
    background: rgba(255, 255, 255, 0.2);
    color: #ffffff;
    border-color: rgba(255, 255, 255, 0.4);
}

[data-theme="light"] .lang-btn:hover,
[data-theme="light"] .theme-btn:hover,
[data-theme="light"] .user-btn:hover {
    box-shadow: 0 4px 8px rgba(255, 255, 255, 0.25);
}

.main-nav a[href*="scanner"] {
    background: linear-gradient(135deg, #00ffff, #00aeff);
    color: #ffffff !important;
    font-weight: 700;
    border: 2px solid #00ffff;
    box-shadow: 0 0 20px rgba(0, 255, 255, 0.6), 0 0 40px rgba(0, 255, 255, 0.3) inset;
    text-shadow:  2px 2px 3px rgb(0, 0, 0);
    position: relative;
    z-index: 1;
    overflow: hidden; 
}

.main-nav a[href*="scanner"]::after {

    margin-left: 5px;
    font-size: 0.9em;
    position: relative; /* Чтобы эмоджи был над бликом */
    z-index: 1;
}

.main-nav a[href*="scanner"]::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.4), transparent);
    transition: left 0.5s ease;
    z-index: -1;
}

.main-nav a[href*="scanner"]:hover::before {
    left: 100%;
}

.main-nav a[href*="scanner"]:hover {
    transform: translateY(-3px);
    box-shadow: 0 0 30px rgba(0, 255, 255, 0.8), 0 0 50px rgba(0, 255, 255, 0.4) inset;
}

[data-theme="light"] .main-nav a[href*="scanner"] {
    background: linear-gradient(135deg, #0056b3, #003d82);
    color: #ffffff !important;
    border: 1px solid #0056b3;
    box-shadow: 0 0 15px rgba(0, 86, 179, 0.4);
}

[data-theme="light"] .main-nav a[href*="scanner"]:hover {
    box-shadow: 0 0 20px rgba(0, 86, 179, 0.6);
}

.mobile-nav-link[href*="scanner"] {
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    color: #000 !important;
    font-weight: 600;
    border: 1px solid var(--accent-primary) !important;
    box-shadow: 0 0 10px rgba(0, 255, 255, 0.3);
}

[data-theme="light"] .mobile-nav-link[href*="scanner"] {
    background: linear-gradient(135deg, #0056b3, #003d82);
    color: #ffffff !important;
    border: 1px solid #0056b3 !important;
    box-shadow: 0 0 10px rgba(0, 86, 179, 0.3);
}

@keyframes pulse-scanner {
    0% {
        box-shadow: 0 0 15px rgba(0, 255, 255, 0.4);
    }
    50% {
        box-shadow: 0 0 20px rgba(0, 255, 255, 0.8);
    }
    100% {
        box-shadow: 0 0 15px rgba(0, 255, 255, 0.4);
    }
}

.main-nav a[href*="scanner"] {
    animation: pulse-scanner 2s infinite;
}

[data-theme="light"] .main-nav a[href*="scanner"] {
    animation: pulse-scanner-light 2s infinite;
}

@keyframes pulse-scanner-light {
    0% {
        box-shadow: 0 0 15px rgba(0, 86, 179, 0.4);
    }
    50% {
        box-shadow: 0 0 20px rgba(0, 86, 179, 0.8);
    }
    100% {
        box-shadow: 0 0 15px rgba(0, 86, 179, 0.4);
    }
}