/* Файл: vk-img2video/frontend/assets/css/styles.css */

/* Основные стили */
:root {
    --bg-primary: #0f0c29;
    --bg-secondary: #302b63;
    --bg-tertiary: #24243e;
    --accent-primary: #667eea;
    --accent-secondary: #9f7aea;
    --accent-tertiary: #0088cc;
    --text-primary: #e2e8f0;
    --text-secondary: #a0aec0;
    --success-color: #10b981;
    --warning-color: #f59e0b;
    --danger-color: #ef4444;
    --glass-bg: rgba(30, 32, 48, 0.9);
    --glass-border: rgba(255, 255, 255, 0.1);
}

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

/* Основной стиль страницы */
body.dark-theme {
    background: linear-gradient(135deg, var(--bg-primary), var(--bg-secondary), var(--bg-tertiary));
    color: var(--text-primary);
    min-height: 100vh;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    padding: 20px;
}

/* Контейнер с эффектом стекла */
.glass-container {
    background: var(--glass-bg);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    border-radius: 20px;
    border: 1px solid var(--glass-border);
    padding: 30px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
    min-height: calc(100vh - 40px);
}

/* Карточки с эффектом стекла */
.glass-card {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-radius: 16px;
    border: 1px solid var(--glass-border);
    padding: 25px;
    transition: all 0.3s ease;
}

.glass-card:hover {
    background: rgba(255, 255, 255, 0.08);
    transform: translateY(-2px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.2);
}

/* Модальные окна */
.glass-modal .modal-content {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
}

.glass-modal .modal-header {
    border-bottom: 1px solid var(--glass-border);
}

.glass-modal .modal-footer {
    border-top: 1px solid var(--glass-border);
}

/* Заголовки */
.app-header {
    border-bottom: 1px solid var(--glass-border);
    margin-bottom: 30px;
}

.logo-icon {
    font-size: 2.5rem;
    background: linear-gradient(45deg, var(--accent-primary), var(--accent-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

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

.section-title {
    font-size: 1.4rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    color: var(--text-primary);
}

/* Карточки методов загрузки */
.upload-method-card {
    background: rgba(255, 255, 255, 0.03);
    border: 2px solid transparent;
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.upload-method-card:hover {
    background: rgba(255, 255, 255, 0.06);
    border-color: var(--accent-primary);
    transform: translateY(-4px);
}

.method-icon {
    font-size: 3rem;
    color: var(--accent-primary);
}

/* Область предпросмотра */
.preview-area {
    background: rgba(0, 0, 0, 0.2);
    border-radius: 12px;
    padding: 20px;
    margin-top: 20px;
}

.image-preview {
    position: relative;
    border-radius: 8px;
    overflow: hidden;
    margin-bottom: 15px;
}

.image-preview img {
    width: 100%;
    height: 150px;
    object-fit: cover;
}

.image-preview .remove-btn {
    position: absolute;
    top: 8px;
    right: 8px;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: var(--danger-color);
    color: white;
    border: none;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
}

/* Стилизация range input */
.form-range::-webkit-slider-thumb {
    background: var(--accent-primary);
    border: 2px solid white;
    box-shadow: 0 2px 10px rgba(102, 126, 234, 0.5);
}

.form-range::-moz-range-thumb {
    background: var(--accent-primary);
    border: 2px solid white;
    box-shadow: 0 2px 10px rgba(102, 126, 234, 0.5);
}

/* Стилизация select */
.form-select {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--glass-border);
    color: var(--text-primary);
}

.form-select:focus {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 0.25rem rgba(102, 126, 234, 0.25);
}

/* Отображение цены */
.price-display {
    padding: 20px;
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.1), rgba(159, 122, 234, 0.1));
    border-radius: 12px;
    border: 1px solid rgba(102, 126, 234, 0.3);
}

/* Список задач */
.tasks-list {
    max-height: 400px;
    overflow-y: auto;
}

.task-item {
    background: rgba(255, 255, 255, 0.03);
    border-radius: 10px;
    padding: 15px;
    margin-bottom: 10px;
    border-left: 4px solid var(--accent-primary);
    transition: all 0.3s ease;
}

.task-item:hover {
    background: rgba(255, 255, 255, 0.06);
}

.task-item.pending {
    border-left-color: var(--warning-color);
}

.task-item.processing {
    border-left-color: var(--accent-primary);
}

.task-item.completed {
    border-left-color: var(--success-color);
}

.task-item.failed {
    border-left-color: var(--danger-color);
}

.task-progress {
    height: 6px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 3px;
    overflow: hidden;
    margin-top: 10px;
}

.task-progress-bar {
    height: 100%;
    background: linear-gradient(90deg, var(--accent-primary), var(--accent-secondary));
    border-radius: 3px;
    transition: width 0.3s ease;
}

/* Карточки видео */
.video-card {
    background: rgba(255, 255, 255, 0.03);
    border-radius: 12px;
    overflow: hidden;
    transition: all 0.3s ease;
    margin-bottom: 20px;
}

.video-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.video-preview {
    position: relative;
    height: 180px;
    background: #000;
    overflow: hidden;
}

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

.video-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.video-card:hover .video-overlay {
    opacity: 1;
}

.video-actions {
    display: flex;
    gap: 10px;
}

/* Опции оплаты */
.payment-options {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: 15px;
    margin-bottom: 20px;
}

.payment-option {
    background: rgba(255, 255, 255, 0.05);
    border: 2px solid transparent;
    border-radius: 10px;
    padding: 15px;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
}

.payment-option:hover {
    background: rgba(255, 255, 255, 0.08);
}

.payment-option.active {
    border-color: var(--accent-primary);
    background: rgba(102, 126, 234, 0.1);
}

/* Баланс пользователя */
.user-balance {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 20px;
    padding: 8px 16px;
    display: flex;
    align-items: center;
}

.balance-amount {
    font-weight: 600;
    color: var(--success-color);
}

/* Кнопки */
.btn {
    border-radius: 10px;
    padding: 10px 20px;
    font-weight: 500;
    transition: all 0.3s ease;
    border: none;
}

.btn-primary {
    background: linear-gradient(45deg, var(--accent-primary), var(--accent-secondary));
    border: none;
}

.btn-primary:hover {
    background: linear-gradient(45deg, var(--accent-secondary), var(--accent-primary));
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(102, 126, 234, 0.4);
}

.btn-outline-primary {
    border: 2px solid var(--accent-primary);
    color: var(--accent-primary);
}

.btn-outline-primary:hover {
    background: var(--accent-primary);
    color: white;
}

/* Уведомления */
.notification {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 9999;
    min-width: 300px;
    max-width: 400px;
    animation: slideInRight 0.3s ease;
}

.notification.success {
    background: linear-gradient(135deg, var(--success-color), #34d399);
}

.notification.error {
    background: linear-gradient(135deg, var(--danger-color), #f87171);
}

.notification.info {
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
}

/* Анимации */
@keyframes gradient-shift {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

@keyframes slideInRight {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

/* Адаптивность */
@media (max-width: 768px) {
    .glass-container {
        padding: 15px;
    }
    
    .app-header h1 {
        font-size: 1.5rem;
    }
    
    .upload-method-card {
        margin-bottom: 15px;
    }
    
    .payment-options {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Кастомный скроллбар */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 4px;
}

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

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