/* ==========================================================================
   DEEPL PRO TRANSLATE - DOCUMENT TRANSLATION STYLES
   ========================================================================== */

.document-section {
  animation: fadeIn 0.3s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

.doc-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  backdrop-filter: blur(16px);
  padding: 2rem;
  display: flex;
  flex-direction: column;
  gap: 1.75rem;
}

/* Banner Header */
.doc-header-banner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  border-bottom: 1px solid var(--border-subtle);
  padding-bottom: 1.5rem;
}

.banner-text h2 {
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.35rem;
}

.banner-text p {
  color: var(--text-secondary);
  font-size: 0.95rem;
}

/* Language Selection for Documents */
.doc-lang-selectors {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.doc-lang-item {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.doc-lang-item label {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
}

.custom-select {
  padding: 0.55rem 1rem;
  border-radius: var(--radius-md);
  background: var(--bg-elevated);
  border: 1px solid var(--border-subtle);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-weight: 600;
  outline: none;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.custom-select:hover, .custom-select:focus {
  border-color: var(--accent-primary);
}

.doc-swap-arrow {
  margin-top: 1.2rem;
  color: var(--text-muted);
  display: flex;
  align-items: center;
}

.doc-swap-arrow svg {
  width: 20px;
  height: 20px;
}

/* Dropzone */
.dropzone {
  position: relative;
  border: 2px dashed rgba(0, 102, 255, 0.35);
  background: rgba(0, 102, 255, 0.03);
  border-radius: var(--radius-lg);
  padding: 3.5rem 2rem;
  text-align: center;
  cursor: pointer;
  transition: all var(--transition-normal);
}

.dropzone:hover, .dropzone.drag-over {
  border-color: var(--accent-primary);
  background: rgba(0, 102, 255, 0.08);
  box-shadow: var(--shadow-glow);
  transform: translateY(-2px);
}

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

.dropzone-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.85rem;
  pointer-events: none;
}

.upload-icon-circle {
  width: 64px;
  height: 64px;
  border-radius: var(--radius-full);
  background: linear-gradient(135deg, rgba(0, 102, 255, 0.15) 0%, rgba(0, 212, 178, 0.15) 100%);
  border: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-primary);
  margin-bottom: 0.5rem;
}

.upload-icon-circle svg {
  width: 30px;
  height: 30px;
}

.dropzone-inner h3 {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-primary);
}

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

.browse-files-btn {
  margin-top: 0.75rem;
  padding: 0.6rem 1.4rem;
  background: var(--accent-primary);
  color: #ffffff;
  border: none;
  border-radius: var(--radius-md);
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-weight: 600;
  box-shadow: 0 2px 8px var(--accent-primary-glow);
  pointer-events: auto;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.browse-files-btn:hover {
  background: var(--accent-primary-hover);
  box-shadow: 0 4px 14px var(--accent-primary-glow);
}

/* Document Preview & Diff Area */
.doc-preview-area {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.file-info-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.25rem;
  background: var(--bg-elevated);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
}

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

.file-type-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  background: var(--accent-primary);
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 0.85rem;
  letter-spacing: 0.05em;
}

.file-name {
  font-weight: 700;
  font-size: 1rem;
  color: var(--text-primary);
}

.file-size {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.file-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.doc-btn-secondary {
  padding: 0.55rem 1rem;
  background: transparent;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  color: var(--text-secondary);
  font-family: var(--font-body);
  font-size: 0.875rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.doc-btn-secondary:hover {
  background: var(--bg-card-hover);
  color: var(--text-primary);
}

.doc-btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.6rem 1.35rem;
  background: linear-gradient(135deg, var(--accent-primary) 0%, #004ecc 100%);
  border: none;
  border-radius: var(--radius-md);
  color: #ffffff;
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  box-shadow: 0 2px 10px var(--accent-primary-glow);
  transition: all var(--transition-fast);
}

.doc-btn-primary:hover {
  background: var(--accent-primary-hover);
  box-shadow: 0 4px 16px var(--accent-primary-glow);
  transform: translateY(-1px);
}

.doc-btn-primary svg {
  width: 14px;
  height: 14px;
}

/* Progress Bar */
.doc-progress-container {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  padding: 1rem;
  background: var(--bg-elevated);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
}

.progress-bar-wrapper {
  width: 100%;
  height: 8px;
  background: var(--bg-input);
  border-radius: var(--radius-full);
  overflow: hidden;
}

.progress-bar-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--accent-primary) 0%, var(--accent-teal) 100%);
  border-radius: var(--radius-full);
  transition: width 0.3s ease;
}

.progress-status-text {
  display: flex;
  justify-content: space-between;
  font-size: 0.85rem;
  color: var(--text-secondary);
  font-weight: 500;
}

/* Diff View */
.doc-diff-view {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  min-height: 240px;
  max-height: 420px;
}

.diff-pane {
  display: flex;
  flex-direction: column;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  background: var(--bg-input);
  overflow: hidden;
}

.diff-title {
  padding: 0.6rem 1rem;
  background: var(--bg-elevated);
  border-bottom: 1px solid var(--border-subtle);
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
}

.diff-content {
  padding: 1rem;
  overflow-y: auto;
  font-size: 0.95rem;
  line-height: 1.6;
  white-space: pre-wrap;
  color: var(--text-primary);
  height: 100%;
}

/* Download Bar */
.doc-download-bar {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.download-doc-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  background: linear-gradient(135deg, var(--accent-teal) 0%, #00a88f 100%);
  border: none;
  border-radius: var(--radius-md);
  color: #ffffff;
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 700;
  cursor: pointer;
  box-shadow: 0 2px 10px var(--accent-teal-glow);
  transition: all var(--transition-fast);
}

.download-doc-btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 16px var(--accent-teal-glow);
}

.download-doc-btn svg {
  width: 18px;
  height: 18px;
}

.copy-doc-btn {
  padding: 0.75rem 1.25rem;
  background: var(--bg-elevated);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.copy-doc-btn:hover {
  background: var(--bg-card-hover);
}

@media (max-width: 900px) {
  .doc-header-banner {
    flex-direction: column;
    align-items: flex-start;
  }
  .doc-diff-view {
    grid-template-columns: 1fr;
  }
}