/* Контейнер загрузки */
.upload-container {
    max-width: 800px;
    margin: 0 auto;
    padding: 2rem;
}

/* Заголовок */
.upload-header {
    text-align: center;
    margin-bottom: 3rem;
}

.upload-header h1 {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 1rem;
    background: linear-gradient(135deg, var(--text-primary) 0%, var(--primary-color) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.upload-description {
    font-size: 1.1rem;
    color: var(--text-secondary);
    line-height: 1.6;
    max-width: 600px;
    margin: 0 auto;
}

/* Прогресс загрузки */
.upload-progress {
    margin-bottom: 3rem;
}

.progress-steps {
    display: flex;
    justify-content: space-between;
    position: relative;
}

.progress-steps::before {
    content: '';
    position: absolute;
    top: 20px;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--border-color);
    z-index: 1;
}

.progress-step {
    display: flex;
    flex-direction: column;
    align-items: center;
    position: relative;
    z-index: 2;
    flex: 1;
}

.step-number {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--bg-secondary);
    border: 2px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    color: var(--text-muted);
    margin-bottom: 0.5rem;
    transition: all 0.3s ease;
}

.progress-step.active .step-number {
    background: var(--primary-color);
    border-color: var(--primary-color);
    color: white;
    transform: scale(1.1);
}

.progress-step.completed .step-number {
    background: var(--primary-color);
    border-color: var(--primary-color);
    color: white;
}

.step-label {
    font-size: 0.9rem;
    color: var(--text-muted);
    text-align: center;
    font-weight: 500;
}

.progress-step.active .step-label {
    color: var(--primary-color);
    font-weight: 600;
}

/* Форма загрузки */
.upload-form {
    background: var(--bg-primary);
    border-radius: var(--border-radius-lg);
    padding: 2.5rem;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border-color);
}

.form-step {
    display: none;
}

.form-step.active {
    display: block;
    animation: fadeInUp 0.5s ease-out;
}

.form-step h2 {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 2rem;
    padding-bottom: 1rem;
    border-bottom: 2px solid var(--border-color);
}

/* Группы формы */
.form-group {
    margin-bottom: 1.5rem;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

.form-group label {
    display: block;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
    font-size: 0.95rem;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius);
    font-size: 1rem;
    font-family: 'Montserrat', sans-serif;
    transition: all 0.3s ease;
    background: var(--bg-primary);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(139, 222, 0, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 100px;
}

.form-hint {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-top: 0.5rem;
    line-height: 1.4;
}

/* Область загрузки файла */
.file-upload-area {
    border: 2px dashed var(--border-color);
    border-radius: var(--border-radius-lg);
    padding: 3rem 2rem;
    text-align: center;
    transition: all 0.3s ease;
    cursor: pointer;
    margin-bottom: 1.5rem;
}

.file-upload-area:hover {
    border-color: var(--primary-color);
    background: var(--bg-secondary);
}

.file-upload-area.dragover {
    border-color: var(--primary-color);
    background: rgba(139, 222, 0, 0.05);
    transform: scale(1.02);
}

.upload-placeholder i {
    font-size: 3rem;
    color: var(--text-muted);
    margin-bottom: 1rem;
}

.upload-placeholder h3 {
    font-size: 1.25rem;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.upload-placeholder p {
    color: var(--text-secondary);
    margin-bottom: 1rem;
}

.supported-formats {
    font-size: 0.9rem;
    color: var(--text-muted);
    background: var(--bg-secondary);
    padding: 8px 16px;
    border-radius: 20px;
    display: inline-block;
}

/* Информация о файле */
.file-info {
    background: var(--bg-secondary);
    border-radius: var(--border-radius);
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    border: 1px solid var(--border-color);
}

.file-preview {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.file-preview i {
    font-size: 2rem;
    color: var(--primary-color);
    flex-shrink: 0;
}

.file-details {
    flex: 1;
}

.file-name {
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.25rem;
    word-break: break-all;
}

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

.btn-remove-file {
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    padding: 8px;
    border-radius: 50%;
    transition: all 0.2s;
}

.btn-remove-file:hover {
    background: var(--bg-tertiary);
    color: #dc2626;
}

/* Чекбоксы */
.checkbox-label {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    cursor: pointer;
    font-weight: normal;
    color: var(--text-primary);
}

.checkbox-label input {
    display: none;
}

.checkmark {
    width: 20px;
    height: 20px;
    border: 2px solid var(--border-color);
    border-radius: 4px;
    position: relative;
    flex-shrink: 0;
    transition: all 0.2s;
    margin-top: 2px;
}

.checkbox-label input:checked+.checkmark {
    background: var(--primary-color);
    border-color: var(--primary-color);
}

.checkbox-label input:checked+.checkmark::after {
    content: '✓';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: white;
    font-size: 12px;
    font-weight: bold;
}

/* Действия формы */
.form-actions {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 2.5rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border-color);
}

.btn-prev,
.btn-next,
.btn-publish {
    padding: 12px 24px;
    border: none;
    border-radius: var(--border-radius);
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 8px;
    font-family: 'Montserrat', sans-serif;
}

.btn-prev {
    background: var(--bg-secondary);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.btn-prev:hover {
    background: var(--bg-tertiary);
    border-color: var(--primary-color);
}

.btn-next,
.btn-publish {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: white;
}

.btn-next:hover:not(:disabled),
.btn-publish:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-next:disabled,
.btn-publish:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

/* Секция проверки */
.review-section {
    background: var(--bg-secondary);
    border-radius: var(--border-radius);
    padding: 1.5rem;
    margin-bottom: 2rem;
    border: 1px solid var(--border-color);
}

.review-item {
    display: flex;
    margin-bottom: 1rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border-color);
}

.review-item:last-child {
    margin-bottom: 0;
    padding-bottom: 0;
    border-bottom: none;
}

.review-item strong {
    min-width: 120px;
    color: var(--text-primary);
    font-weight: 600;
}

.review-item span {
    color: var(--text-secondary);
    flex: 1;
}

/* Настройки публикации */
.publishing-options {
    margin-bottom: 2rem;
}

.publishing-options h3 {
    font-size: 1.25rem;
    color: var(--text-primary);
    margin-bottom: 1.5rem;
}

.license-agreement {
    margin-top: 1.5rem;
    padding: 1.5rem;
    background: var(--bg-secondary);
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
}

.license-agreement .checkbox-label {
    font-size: 0.9rem;
    line-height: 1.4;
}

.license-agreement a {
    color: var(--primary-color);
    text-decoration: none;
}

.license-agreement a:hover {
    text-decoration: underline;
}

/* Анимации */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Индикатор загрузки */
.uploading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10000;
}

.uploading-content {
    background: var(--bg-primary);
    padding: 2rem;
    border-radius: var(--border-radius-lg);
    text-align: center;
    max-width: 400px;
    width: 90%;
    box-shadow: var(--shadow-xl);
}

.uploading-spinner {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.uploading-content h3 {
    color: var(--text-primary);
    margin-bottom: 1rem;
}

.uploading-content p {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
}

/* Уведомления */
.upload-notification {
    position: fixed;
    top: 20px;
    right: 20px;
    background: white;
    padding: 1rem 1.5rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-lg);
    border-left: 4px solid var(--primary-color);
    z-index: 10001;
    animation: slideInRight 0.3s ease-out;
    max-width: 400px;
}

.upload-notification.error {
    border-left-color: #dc2626;
}

.upload-notification.success {
    border-left-color: #16a34a;
}

.upload-notification-content {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.upload-notification i {
    font-size: 1.25rem;
}

.upload-notification.success i {
    color: #16a34a;
}

.upload-notification.error i {
    color: #dc2626;
}

/* Адаптивность */
@media (max-width: 768px) {
    .upload-container {
        padding: 1rem;
    }

    .upload-header h1 {
        font-size: 2rem;
    }

    .upload-form {
        padding: 1.5rem;
    }

    .form-row {
        grid-template-columns: 1fr;
        gap: 1rem;
    }

    .progress-steps {
        flex-direction: column;
        gap: 1rem;
        align-items: flex-start;
    }

    .progress-steps::before {
        display: none;
    }

    .progress-step {
        flex-direction: row;
        gap: 1rem;
        width: 100%;
    }

    .step-label {
        text-align: left;
    }

    .form-actions {
        flex-direction: column;
        gap: 1rem;
    }

    .btn-prev,
    .btn-next,
    .btn-publish {
        width: 100%;
        justify-content: center;
    }

    .review-item {
        flex-direction: column;
        gap: 0.5rem;
    }

    .review-item strong {
        min-width: auto;
    }
}

@media (max-width: 480px) {
    .upload-header h1 {
        font-size: 1.75rem;
    }

    .file-upload-area {
        padding: 2rem 1rem;
    }

    .upload-placeholder h3 {
        font-size: 1.1rem;
    }

    .supported-formats {
        font-size: 0.8rem;
    }
}