/* Стили для страницы загрузки файлов */
.content-container {
  background-color: var(--surface0, var(--bg-secondary));
  border-radius: var(--radius-md, 12px);
  padding: 2rem;
  box-shadow: var(--shadow-sm);
  margin-bottom: 2rem;
  margin-top: 2rem;
}

.upload-container {
  max-width: 800px;
  margin: 0 auto;
  padding: var(--spacing-5, 1.5rem);
  position: relative;
}

.upload-heading {
  margin-bottom: 1rem;
  color: var(--text-high, var(--text-primary));
  font-weight: 600;
  font-size: 1.75rem;
  text-align: center;
}

/* Бейджи форматов */
.format-badges-container {
  margin-bottom: 2rem;
}

.format-badges-wrapper {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.5rem;
}

.format-badge {
  display: inline-block;
  padding: 0.3rem 0.7rem;
  background-color: var(--bg-tertiary, rgba(var(--color-primary-rgb), 0.08));
  color: var(--text-secondary, var(--color-primary));
  border-radius: 4px;
  font-size: 0.85rem;
  font-weight: 500;
}

/* Дроп-бокс для файлов */
.file-drop-container {
  position: relative;
  margin-bottom: 1.5rem;
  max-width: 350px;
  margin-left: auto;
  margin-right: auto;
}

.file-input {
  position: absolute;
  width: 100%;
  height: 100%;
  opacity: 0;
  top: 0;
  left: 0;
  z-index: -1;
  cursor: pointer;
}

.file-drop-area {
  border: 1px dashed rgba(var(--color-primary-rgb), 0.5);
  border-radius: 8px;
  padding: 2rem 1.5rem;
  text-align: center;
  cursor: pointer;
  transition: border-color 0.2s ease, background-color 0.2s ease;
}

.file-drop-area:hover,
.file-drop-area.drag-active {
  border-color: var(--color-primary);
  background-color: rgba(var(--color-primary-rgb), 0.08);
}

.file-drop-icon {
  font-size: 2rem;
  color: var(--color-primary);
  margin-bottom: 1rem;
  opacity: 0.8;
}

.file-select-hint {
  color: var(--text-secondary, var(--text-medium));
  margin-bottom: 0.5rem;
}

.file-name-display {
  font-weight: 500;
  color: var(--color-primary);
  word-break: break-word;
  display: none;
  margin-top: 0.5rem;
}

.file-drop-area.has-file {
  border-color: var(--color-primary);
  background-color: rgba(var(--color-primary-rgb), 0.08);
}

/* Прогресс загрузки */
.upload-progress-container {
  margin-bottom: 1.5rem;
  max-width: 500px;
  margin-left: auto;
  margin-right: auto;
}

.progress-label-container {
  display: flex;
  justify-content: space-between;
  margin-bottom: 0.5rem;
}

.progress-label {
  font-weight: 500;
  color: var(--text-primary, var(--text-medium));
  font-size: 0.9rem;
}

.progress-percentage {
  color: var(--color-primary);
  font-weight: 500;
  font-size: 0.9rem;
}

.progress-common {
  height: 0.5rem;
  background-color: var(--bg-tertiary, rgba(var(--border-color-rgb, 200, 200, 200), 0.2));
  overflow: hidden;
  border-radius: 0.25rem;
}

.progress-bar-common {
  background-color: var(--color-primary);
  transition: width 0.3s ease;
}

.upload-status {
  color: var(--text-secondary, var(--text-medium));
  font-size: 0.9rem;
  margin-top: 0.5rem;
  text-align: center;
}

/* Анимация вращения иконки */
.spin {
  animation: spin 1.2s linear infinite;
  display: inline-block;
  margin-right: 0.5rem;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

/* Кнопка загрузки */
.upload-actions {
  text-align: center;
}

.upload-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.8rem 1.5rem;
  font-size: 1rem;
  font-weight: 500;
  background-color: rgba(var(--color-success-rgb), 0.12);
  color: var(--color-success);
  border: none;
  border-radius: 6px;
  cursor: pointer;
  transition: background-color 0.2s ease, color 0.2s ease;
  gap: 0.5rem;
}

.upload-btn:hover {
  background-color: rgba(var(--color-success-rgb), 0.2);
}

.upload-btn:active {
  background-color: rgba(var(--color-success-rgb), 0.25);
}

.upload-btn:disabled {
  opacity: 0.7;
  cursor: not-allowed;
}

.upload-btn i {
  font-size: 1.1rem;
}

/* Стили для алерта с ошибкой */
.alert-danger {
  background-color: rgba(var(--color-error-rgb), 0.08);
  border-left: 3px solid var(--color-error);
  color: var(--text-high);
  padding: var(--spacing-3, 0.75rem) var(--spacing-4, 1rem);
  font-size: var(--font-size-md, 0.95rem);
  border-radius: var(--radius-sm, 4px);
}

/* Адаптивность для мобильных устройств */
@media (max-width: 768px) {
  .content-container {
    padding: 1.5rem;
    margin-top: 1rem;
    margin-bottom: 1rem;
  }
  
  .file-drop-area {
    padding: 1.5rem 1rem;
  }
  
  .file-drop-icon {
    font-size: 1.75rem;
    margin-bottom: 0.75rem;
  }
  
  .upload-btn {
    width: 100%;
  }
}