:root {
    --primary: #6366f1;
    --primary-dark: #4f46e5;
    --secondary: #10b981;
    --accent: #f59e0b;
    --bg: #ffffff;
    --bg-secondary: #f8fafc;
    --text: #1e293b;
    --text-secondary: #64748b;
    --border: #e2e8f0;
    --glass: rgba(255, 255, 255, 0.7);
    --shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
    --radius: 20px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Анимации */
@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-10px); }
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.7; }
}

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

@keyframes snowFall {
    from { transform: translateY(-100px) rotate(0deg); }
    to { transform: translateY(100vh) rotate(360deg); }
}

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


html {
    scroll-behavior: smooth;
}

#uploadZone,
#features,
#faq,
#how-it-works {
    scroll-margin-top: 110px;
}

body {
    font-family: 'Inter', sans-serif;
    background: var(--bg);
    color: var(--text);
    min-height: 100vh;
    background: linear-gradient(135deg, var(--bg) 0%, var(--bg-secondary) 100%);
    transition: var(--transition);
}

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

/* Хедер */
.glass-header {
    background: var(--glass);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
    padding: 20px 0;
    margin-bottom: 60px;
    border-radius: 0 0 var(--radius) var(--radius);
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: var(--shadow);
}

.logo-container {
    display: flex;
    align-items: center;
    gap: 15px;
}

.logo-pulse {
    font-size: 2.5rem;
    color: var(--primary);
    animation: float 3s ease-in-out infinite;
}

.logo-text {
    font-size: 2rem;
    font-weight: 700;
}

.gradient-text {
    background: linear-gradient(45deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    animation: gradient 3s ease infinite;
    background-size: 200% 200%;
}

/* Компактный селектор тем */
.theme-selector-compact {
    flex-shrink: 0;
}

.theme-dropdown {
    padding: 12px 20px;
    padding-right: 45px;
    border: 2px solid var(--border);
    border-radius: 50px;
    background: var(--bg);
    color: var(--text);
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    min-width: 160px;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='currentColor' viewBox='0 0 16 16'%3E%3Cpath d='M7.247 11.14 2.451 5.658C1.885 5.013 2.345 4 3.204 4h9.592a1 1 0 0 1 .753 1.659l-4.796 5.48a1 1 0 0 1-1.506 0z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 15px center;
    background-size: 16px;
}

.theme-dropdown:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.theme-dropdown:hover {
    border-color: var(--primary);
}

/* Герой секция */
.hero-section {
    text-align: center;
    margin-bottom: 60px;
}

.hero-text {
    max-width: 860px;
    margin: 0 auto 34px;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    margin-bottom: 20px;
    line-height: 1.2;
}

.hero-subtitle {
    font-size: 1.2rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto 40px;
}

/* Статистика */
.stats-counter {
    display: grid;
    grid-template-columns: repeat(3, minmax(180px, 1fr));
    justify-content: center;
    gap: 22px;
    max-width: 860px;
    margin: 0 auto;
    align-items: stretch;
}

.stat {
    background: linear-gradient(180deg, rgba(255,255,255,0.82), rgba(255,255,255,0.6));
    backdrop-filter: blur(14px);
    padding: 28px 22px;
    border-radius: 24px;
    text-align: center;
    min-width: 0;
    transition: var(--transition);
    border: 1px solid rgba(255, 255, 255, 0.45);
    box-shadow: 0 14px 34px rgba(15, 23, 42, 0.08);
}

.stat:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow);
}

.stat i {
    font-size: 2.5rem;
    color: var(--primary);
    margin-bottom: 15px;
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 5px;
    background: linear-gradient(45deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.stat-label {
    color: var(--text-secondary);
    font-weight: 500;
}

/* Зона загрузки */
.upload-zone {
    margin-bottom: 60px;
}

.glass-card {
    background: var(--glass);
    backdrop-filter: blur(20px);
    border-radius: var(--radius);
    padding: 50px;
    box-shadow: var(--shadow);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.upload-icon {
    text-align: center;
    font-size: 4rem;
    color: var(--primary);
    margin-bottom: 30px;
    animation: float 3s ease-in-out infinite;
}

.drop-area {
    border: 3px dashed var(--primary);
    border-radius: var(--radius);
    padding: 60px 20px;
    text-align: center;
    transition: var(--transition);
    cursor: pointer;
    background: rgba(99, 102, 241, 0.05);
}

.drop-area.highlight {
    background: rgba(99, 102, 241, 0.1);
    border-color: var(--secondary);
}

.drop-text {
    font-size: 1.2rem;
    margin-bottom: 20px;
    color: var(--text);
}

.btn-select {
    padding: 15px 40px;
    background: var(--primary);
    color: white;
    border: none;
    border-radius: 50px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 10px;
}

.btn-select:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(99, 102, 241, 0.3);
}

.file-info {
    margin-top: 20px;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* Превью */
.preview-container {
    background: var(--bg-secondary);
    border-radius: var(--radius);
    padding: 30px;
    margin-bottom: 30px;
}

.preview-image {
    width: 200px;
    height: 200px;
    margin: 0 auto 20px;
    border-radius: 15px;
    overflow: hidden;
    border: 3px solid var(--border);
}

.preview-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.preview-info {
    text-align: center;
}

.file-name {
    font-weight: 600;
    margin-bottom: 5px;
    font-size: 1.1rem;
}

.file-size {
    color: var(--text-secondary);
    margin-bottom: 20px;
}

.btn-remove {
    padding: 10px 25px;
    background: #ef4444;
    color: white;
    border: none;
    border-radius: 50px;
    cursor: pointer;
    font-weight: 500;
    transition: var(--transition);
}

.btn-remove:hover {
    background: #dc2626;
    transform: translateY(-2px);
}

/* Кнопка загрузки */
.btn-upload {
    width: 100%;
    padding: 20px;
    background: linear-gradient(45deg, var(--primary), var(--secondary));
    color: white;
    border: none;
    border-radius: 50px;
    font-size: 1.2rem;
    font-weight: 700;
    cursor: pointer;
    transition: var(--transition);
    margin-top: 30px;
}

.btn-upload:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 15px 30px rgba(16, 185, 129, 0.4);
}

.btn-upload:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* Советы */
.upload-tips {
    display: flex;
    justify-content: space-between;
    margin-top: 40px;
    flex-wrap: wrap;
    gap: 20px;
}

.tip {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--text-secondary);
}

.tip i {
    color: var(--secondary);
}

/* Результат */
.result-card {
    text-align: center;
    animation: slideUp 0.5s ease-out;
}

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

.success-icon {
    font-size: 5rem;
    color: var(--secondary);
    margin-bottom: 20px;
}

.link-container {
    display: flex;
    gap: 10px;
    margin: 30px 0;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

#imageLink {
    flex: 1;
    padding: 15px 20px;
    border: 2px solid var(--border);
    border-radius: 50px;
    font-size: 1rem;
    background: var(--bg);
}

.btn-copy {
    padding: 15px 30px;
    background: var(--primary);
    color: white;
    border: none;
    border-radius: 50px;
    cursor: pointer;
    font-weight: 600;
    transition: var(--transition);
}

.btn-copy:hover {
    background: var(--primary-dark);
}

.result-actions {
    display: flex;
    justify-content: center;
    gap: 15px;
    flex-wrap: wrap;
}

.btn-action {
    padding: 12px 25px;
    background: var(--bg-secondary);
    color: var(--text);
    text-decoration: none;
    border-radius: 50px;
    font-weight: 500;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 8px;
}

.btn-action:hover {
    background: var(--primary);
    color: white;
    transform: translateY(-2px);
}

/* Футер */
.site-footer {
    margin-top: 80px;
    padding: 40px 0;
    border-top: 1px solid var(--border);
}

.footer-content {
    text-align: center;
}

.footer-logo {
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 20px;
    color: var(--primary);
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 10px;
}

.copyright {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* Снежинки */
.snowflakes {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 9999;
}

.snowflake {
    position: absolute;
    color: white;
    font-size: 1.2rem;
    opacity: 0.8;
    animation: snowFall linear infinite;
    user-select: none;
}

/* Киберинтерфейс */
.cyber-grid {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: -1;
}

/* Адаптивность - ОБНОВЛЕНО для мобильных */
@media (max-width: 768px) {
    .glass-header {
        flex-direction: column;
        gap: 20px;
        text-align: center;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }

    .hero-text {
        margin-bottom: 26px;
    }

    .quick-links {
        display: grid;
        grid-template-columns: 1fr;
        gap: 12px;
        max-width: 420px;
        margin: 0 auto 32px;
    }

    .quick-link {
        width: 100%;
        min-height: 54px;
        justify-content: center;
    }
    
    .stats-counter {
        grid-template-columns: repeat(3, minmax(0, 1fr));
        gap: 12px;
        width: 100%;
        max-width: 100%;
    }
    
    .stat {
        padding: 18px 12px;
        margin: 0;
    }
    
    .stat i {
        font-size: 1.8rem;
        margin-bottom: 8px;
    }
    
    .stat-number {
        font-size: 1.8rem;
        margin-bottom: 3px;
    }
    
    .stat-label {
        font-size: 0.8rem;
        line-height: 1.25;
    }
    
    .glass-card {
        padding: 30px 20px;
    }
    
    .drop-area {
        padding: 40px 15px;
    }
    
    .upload-tips {
        flex-direction: column;
        align-items: center;
        gap: 15px;
    }
    
    .link-container {
        flex-direction: column;
    }
    
    .theme-dropdown {
        min-width: 140px;
        padding: 10px 15px;
        padding-right: 40px;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }

    .container {
        padding: 0 14px;
    }

    .hero-subtitle {
        font-size: 1rem;
        margin-bottom: 28px;
    }

    .stats-counter {
        grid-template-columns: 1fr;
        max-width: 320px;
        gap: 10px;
    }
    
    .stat {
        width: 100%;
        padding: 16px 14px;
    }
    
    .stat i {
        font-size: 1.4rem;
    }
    
    .stat-number {
        font-size: 1.5rem;
    }
    
    .stat-label {
        font-size: 0.78rem;
    }

    .seo-item,
    .faq-item {
        padding: 20px;
        border-radius: 18px;
    }

    .seo-section h2 {
        font-size: 1.45rem;
    }
}
.multi-preview-list {
    margin-top: 15px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.multi-preview-item {
    padding: 10px 14px;
    border-radius: 12px;
    background: rgba(99, 102, 241, 0.08);
    color: var(--text);
    word-break: break-word;
}

.multi-preview-badge {
    width: 140px;
    height: 140px;
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(99, 102, 241, 0.08);
    font-size: 3rem;
    color: var(--primary);
    margin: 0 auto;
}

.multi-links-container {
    margin-top: 20px;
}

.multi-links-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 15px;
    margin-bottom: 15px;
    flex-wrap: wrap;
}

#allLinks {
    width: 100%;
    min-height: 140px;
    resize: vertical;
    border: 2px solid var(--border);
    border-radius: 16px;
    padding: 15px;
    background: var(--bg);
    color: var(--text);
    font-family: inherit;
    font-size: 0.95rem;
    margin-bottom: 18px;
}

.uploaded-links-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.uploaded-link-item {
    background: rgba(99, 102, 241, 0.05);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 14px;
}

.uploaded-link-name {
    font-weight: 600;
    margin-bottom: 10px;
    word-break: break-word;
}

.uploaded-link-actions {
    display: flex;
    gap: 10px;
    align-items: center;
    flex-wrap: wrap;
}

.uploaded-link-actions input {
    flex: 1;
    min-width: 220px;
    padding: 12px 14px;
    border: 2px solid var(--border);
    border-radius: 12px;
    background: var(--bg);
    color: var(--text);
}

.btn-copy-small {
    min-width: 140px;
    justify-content: center;
}


/* Быстрые ссылки */
.quick-links {
    display: flex;
    justify-content: center;
    gap: 14px;
    flex-wrap: wrap;
    margin-bottom: 35px;
}

.quick-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    min-height: 52px;
    padding: 14px 22px;
    border-radius: 16px;
    text-decoration: none;
    color: var(--text);
    background: rgba(255, 255, 255, 0.78);
    border: 1px solid rgba(255, 255, 255, 0.9);
    transition: var(--transition);
    font-weight: 700;
    box-shadow: 0 12px 28px rgba(15, 23, 42, 0.08);
}

.quick-link i {
    color: var(--primary);
    font-size: 1rem;
}

.quick-link:hover {
    transform: translateY(-2px);
    box-shadow: 0 16px 34px rgba(15, 23, 42, 0.12);
    border-color: rgba(99, 102, 241, 0.35);
}

.quick-link-primary {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: #fff;
    border-color: transparent;
}

.quick-link-primary i {
    color: #fff;
}

.seo-section {
    margin-bottom: 40px;
}

.seo-section h2 {
    font-size: 2rem;
    margin-bottom: 16px;
}

.seo-intro {
    color: var(--text-secondary);
    margin-bottom: 24px;
    line-height: 1.75;
}

.seo-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 20px;
}

.seo-item,
.faq-item {
    position: relative;
    background: linear-gradient(180deg, rgba(255,255,255,0.84), rgba(255,255,255,0.65));
    border: 1px solid rgba(255, 255, 255, 0.75);
    border-radius: 22px;
    padding: 24px;
    box-shadow: 0 16px 36px rgba(15, 23, 42, 0.08);
    overflow: hidden;
}

.seo-item::before,
.faq-item::before {
    content: "";
    position: absolute;
    inset: 0 0 auto 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
}

.seo-icon {
    width: 52px;
    height: 52px;
    border-radius: 16px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 16px;
    background: linear-gradient(135deg, rgba(99,102,241,0.14), rgba(16,185,129,0.14));
    color: var(--primary);
    font-size: 1.2rem;
}

.seo-item:hover,
.faq-item:hover {
    transform: translateY(-3px);
    box-shadow: 0 20px 42px rgba(15, 23, 42, 0.1);
}

.seo-item h3,
.faq-item h3 {
    margin-bottom: 10px;
    font-size: 1.15rem;
}

.faq-item h3 {
    display: flex;
    align-items: flex-start;
    gap: 10px;
}

.faq-item h3 i {
    color: var(--primary);
    margin-top: 2px;
}

.seo-item p,
.faq-item p,
.seo-list li {
    color: var(--text-secondary);
    line-height: 1.7;
}

.seo-list {
    padding-left: 22px;
}

.seo-list li + li {
    margin-top: 12px;
}

.faq-item + .faq-item {
    margin-top: 18px;
}

.footer-links {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    justify-content: center;
}

.footer-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
}

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

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

    .seo-section h2 {
        font-size: 1.6rem;
    }
}


/* Компактная полоска шапки на телефоне */
@media (max-width:768px){
 .glass-header{display:grid;grid-template-columns:auto 1fr;flex-direction:row;align-items:center;gap:8px;padding:8px 10px;margin-bottom:24px;border-radius:0 0 14px 14px;min-height:54px;text-align:left}
 .logo-container{gap:7px;white-space:nowrap}.logo-pulse{font-size:1.45rem}.logo-text{font-size:1.22rem}
 .theme-selector-compact{display:none}
 .pix-auth-nav{min-width:0;justify-content:flex-end;flex-wrap:nowrap!important;gap:6px!important}
 .pix-auth-nav .quick-link{width:auto;min-height:36px;padding:8px 10px;border-radius:10px;font-size:.78rem;line-height:1;gap:5px;white-space:nowrap;box-shadow:none}
 .pix-auth-nav .quick-link i{font-size:.82rem}
}
@media (max-width:390px){.glass-header{padding-left:7px;padding-right:7px}.logo-text{font-size:1.08rem}.logo-pulse{font-size:1.3rem}.pix-auth-nav .quick-link{padding:8px;font-size:.72rem}}