/* Основные стили */
:root {
    --primary-color: #4361ee;
    --primary-dark: #3a56d4;
    --secondary-color: #7209b7;
    --success-color: #4cc9f0;
    --danger-color: #f72585;
    --warning-color: #f8961e;
    --info-color: #43aa8b;
    --light-color: #f8f9fa;
    --dark-color: #212529;
    --gray-color: #6c757d;
    --border-color: #dee2e6;
    --shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    --radius: 12px;
    --transition: all 0.3s ease;
}

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

body {
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    color: var(--dark-color);
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
    min-height: 100vh;
    padding: 20px;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
}

/* Заголовок */
.header {
    text-align: center;
    margin-bottom: 40px;
    padding: 30px;
    background: white;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
}

.header h1 {
    font-size: 2.8rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 10px;
}

.header h1 i {
    margin-right: 15px;
    color: var(--secondary-color);
}

.subtitle {
    font-size: 1.2rem;
    color: var(--gray-color);
    max-width: 800px;
    margin: 0 auto;
}

/* Предупреждение о хранилище */
.storage-warning {
    background-color: var(--warning-color);
    color: white;
    padding: 15px 20px;
    border-radius: var(--radius);
    margin-bottom: 30px;
    display: flex;
    align-items: center;
    gap: 15px;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% { opacity: 0.9; }
    50% { opacity: 1; }
    100% { opacity: 0.9; }
}

.storage-warning i {
    font-size: 1.5rem;
}

/* Основной контент */
.main-content {
    display: grid;
    grid-template-columns: 1fr;
    gap: 30px;
}

.upload-section {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 30px;
    margin-bottom: 40px;
}

/* Карточки */
.card {
    background: white;
    border-radius: var(--radius);
    padding: 30px;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.card h2 {
    font-size: 1.8rem;
    font-weight: 600;
    color: var(--dark-color);
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.card h2 i {
    color: var(--primary-color);
}

.card-description {
    color: var(--gray-color);
    margin-bottom: 25px;
}

/* Область загрузки */
.upload-area {
    border: 3px dashed var(--border-color);
    border-radius: var(--radius);
    padding: 50px 30px;
    text-align: center;
    margin-bottom: 25px;
    transition: var(--transition);
    cursor: pointer;
}

.upload-area:hover {
    border-color: var(--primary-color);
    background-color: rgba(67, 97, 238, 0.05);
}

.upload-area.dragover {
    border-color: var(--primary-color);
    background-color: rgba(67, 97, 238, 0.1);
}

.upload-icon {
    font-size: 4rem;
    color: var(--primary-color);
    margin-bottom: 20px;
}

.upload-text {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 10px;
    color: var(--dark-color);
}

.upload-subtext {
    color: var(--gray-color);
    margin-bottom: 25px;
}

/* Список файлов */
.file-list {
    margin-top: 20px;
}

.file-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 15px;
    background-color: var(--light-color);
    border-radius: 8px;
    margin-bottom: 10px;
    border-left: 4px solid var(--primary-color);
}

.file-info {
    display: flex;
    align-items: center;
    gap: 15px;
}

.file-icon {
    font-size: 1.5rem;
    color: var(--primary-color);
}

.file-name {
    font-weight: 500;
    word-break: break-all;
}

.file-size {
    color: var(--gray-color);
    font-size: 0.9rem;
}

.file-remove {
    background: none;
    border: none;
    color: var(--danger-color);
    cursor: pointer;
    font-size: 1.2rem;
    transition: var(--transition);
}

.file-remove:hover {
    transform: scale(1.2);
}

/* Настройки */
.setting-group {
    margin-bottom: 30px;
}

.setting-group label {
    display: block;
    font-weight: 500;
    margin-bottom: 10px;
    color: var(--dark-color);
    display: flex;
    align-items: center;
    gap: 10px;
}

.setting-group label i {
    color: var(--secondary-color);
}

#qualityValue {
    font-weight: 700;
    color: var(--primary-color);
    min-width: 40px;
    display: inline-block;
}

.slider {
    width: 100%;
    height: 10px;
    -webkit-appearance: none;
    background: linear-gradient(to right, var(--danger-color), var(--warning-color), var(--success-color));
    border-radius: 5px;
    outline: none;
    margin: 15px 0;
}

.slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: white;
    border: 3px solid var(--primary-color);
    cursor: pointer;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.2);
}

.slider-labels {
    display: flex;
    justify-content: space-between;
    font-size: 0.9rem;
    color: var(--gray-color);
    margin-top: 5px;
}

.input-with-unit {
    display: flex;
    align-items: center;
    gap: 10px;
    margin: 15px 0;
}

.number-input {
    padding: 12px 15px;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    font-size: 1rem;
    width: 120px;
    transition: var(--transition);
}

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

.unit {
    font-weight: 500;
    color: var(--dark-color);
}

.setting-description {
    color: var(--gray-color);
    font-size: 0.9rem;
    margin-top: 5px;
}

/* Кнопки */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 14px 28px;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
}

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

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

.btn-success {
    background-color: var(--success-color);
    color: white;
}

.btn-success:hover {
    background-color: #3ab8d9;
    transform: translateY(-2px);
}

.btn-success:disabled {
    background-color: var(--gray-color);
    cursor: not-allowed;
    transform: none;
}

.btn-large {
    padding: 18px 36px;
    font-size: 1.2rem;
    width: 100%;
    margin-top: 20px;
}

.hint {
    text-align: center;
    margin-top: 20px;
    color: var(--gray-color);
    font-size: 0.95rem;
}

.hint i {
    margin-right: 8px;
}

#storageStatus {
    font-weight: 600;
    color: var(--primary-color);
}

/* Секция задач */
.tasks-section {
    background: white;
    border-radius: var(--radius);
    padding: 30px;
    box-shadow: var(--shadow);
}

.tasks-section h2 {
    font-size: 1.8rem;
    font-weight: 600;
    color: var(--dark-color);
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.tasks-section h2 i {
    color: var(--primary-color);
}

.section-description {
    color: var(--gray-color);
    margin-bottom: 25px;
}

.tasks-container {
    min-height: 200px;
}

.empty-state {
    text-align: center;
    padding: 60px 20px;
    color: var(--gray-color);
}

.empty-state i {
    font-size: 4rem;
    margin-bottom: 20px;
    color: var(--border-color);
}

/* Карточка задачи */
.task-card {
    background: white;
    border-radius: var(--radius);
    padding: 25px;
    margin-bottom: 20px;
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.08);
    border-left: 5px solid var(--primary-color);
    transition: var(--transition);
}

.task-card:hover {
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.12);
}

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

.task-title {
    display: flex;
    align-items: center;
    gap: 12px;
    font-weight: 600;
    font-size: 1.1rem;
}

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

.task-status {
    padding: 6px 15px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
}

.status-waiting {
    background-color: #e9ecef;
    color: var(--gray-color);
}

.status-extracting {
    background-color: #fff3cd;
    color: #856404;
}

.status-compressing {
    background-color: #cce5ff;
    color: #004085;
}

.status-packing {
    background-color: #d4edda;
    color: #155724;
}

.status-ready {
    background-color: #d1ecf1;
    color: #0c5460;
}

.status-error {
    background-color: #f8d7da;
    color: #721c24;
}

.task-progress {
    margin: 20px 0;
}

.progress-info {
    display: flex;
    justify-content: space-between;
    margin-bottom: 8px;
    font-size: 0.9rem;
}

.progress-bar {
    height: 12px;
    background-color: var(--light-color);
    border-radius: 6px;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    border-radius: 6px;
    transition: width 0.5s ease;
}

.task-details {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 20px;
    padding-top: 15px;
    border-top: 1px solid var(--border-color);
}

.task-stage {
    color: var(--gray-color);
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: 8px;
}

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

.btn-download {
    background-color: var(--success-color);
    color: white;
    padding: 8px 20px;
    font-size: 0.9rem;
}

.btn-download:disabled {
    background-color: var(--gray-color);
    cursor: not-allowed;
}

/* Подвал */
.footer {
    text-align: center;
    margin-top: 50px;
    padding: 25px;
    color: var(--gray-color);
    font-size: 0.95rem;
    border-top: 1px solid var(--border-color);
}

.footer-info {
    margin-top: 10px;
    font-size: 0.85rem;
    opacity: 0.8;
}

/* Модальное окно */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 1000;
    align-items: center;
    justify-content: center;
}

.modal-content {
    background: white;
    border-radius: var(--radius);
    width: 90%;
    max-width: 500px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
    animation: modalFadeIn 0.3s ease;
}

@keyframes modalFadeIn {
    from { opacity: 0; transform: translateY(-20px); }
    to { opacity: 1; transform: translateY(0); }
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 25px;
    border-bottom: 1px solid var(--border-color);
}

.modal-header h3 {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--danger-color);
}

.close-btn {
    background: none;
    border: none;
    font-size: 2rem;
    cursor: pointer;
    color: var(--gray-color);
    line-height: 1;
}

.close-btn:hover {
    color: var(--dark-color);
}

.modal-body {
    padding: 25px;
    font-size: 1.1rem;
    line-height: 1.6;
}

.modal-footer {
    padding: 20px 25px;
    border-top: 1px solid var(--border-color);
    text-align: right;
}

/* Адаптивность */
@media (max-width: 992px) {
    .upload-section {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .header h1 {
        font-size: 2.2rem;
    }
    
    .card {
        padding: 20px;
    }
    
    .task-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
    }
    
    .task-details {
        flex-direction: column;
        align-items: flex-start;
        gap: 15px;
    }
    
    .task-actions {
        width: 100%;
        justify-content: flex-end;
    }
}