/* ================================================
   CASE CONVERTER — views/pages/tools/text-tools/case-converter/case-converter.css
   ================================================ */

.case-converter-main {
  padding-top: 0;
  min-height: calc(100vh - 70px - 100px);
}

/* Inherits global .container ad-responsive layout */

.back-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.88rem;
  color: var(--purple-500);
  text-decoration: none;
  margin-bottom: 16px;
  transition: color var(--transition-fast), transform var(--transition-fast);
}

@media (hover: hover) {
  .back-link:hover {
    color: var(--lavender-300);
    transform: translateX(-2px);
  }
}

.back-link svg,
.back-link .icon,
.back-link img {
  width: 16px;
  height: 16px;
}

/* ── Grid Layout ── */
.app-layout-grid {
  display: grid;
  grid-template-columns: 1.25fr 1fr;
  gap: 24px;
  align-items: stretch;
  width: 100%;
}

/* ── Left: Input Panel ── */
.input-panel {
  padding: 20px 24px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  min-width: 0;
}

.tab-selectors {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  border-bottom: 1.5px solid var(--border);
  padding-bottom: 12px;
}

.tab-btn-group {
  display: flex;
  align-items: center;
  gap: 8px;
}

.tab-btn {
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.88rem;
  height: 36px;
  line-height: 1;
  padding: 0 16px;
  margin: 0;
  border: 1.5px solid transparent;
  background: transparent;
  color: var(--text-secondary);
  cursor: pointer;
  border-radius: var(--radius-sm);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  transition: color var(--transition-fast), background var(--transition-fast);
  outline: none;
  box-sizing: border-box;
}

@media (hover: hover) {
  .tab-btn:hover {
    color: var(--purple-500);
    background: var(--bg-tertiary);
  }
}

.tab-btn.active {
  color: var(--purple-500);
  background: var(--bg-tertiary);
  font-weight: 700;
}

/* Paste button — right side of tab row, always visible */
.btn-paste {
  display: inline-flex !important;
  align-items: center !important;
  justify-content: center !important;
  gap: 6px;
  height: 36px !important;
  padding: 0 14px !important;
  margin-left: auto;
  font-family: var(--font-heading);
  font-size: 0.85rem;
  font-weight: 600;
  color: #7c3aed !important;
  background: #ede9fe !important;
  border: 1.5px solid #c4b5fd !important;
  border-radius: var(--radius-sm);
  cursor: pointer;
  outline: none;
  box-sizing: border-box;
  opacity: 1 !important;
  visibility: visible !important;
  transition: color 0.15s, background 0.15s, border-color 0.15s;
}

.btn-paste:hover,
.btn-paste:focus {
  color: #ffffff !important;
  background: #7c3aed !important;
  border-color: #7c3aed !important;
}

.btn-paste:active {
  background: #6d28d9 !important;
  border-color: #6d28d9 !important;
}

.btn-paste .paste-icon {
  width: 14px;
  height: 14px;
  flex-shrink: 0;
  color: inherit !important;
}

[data-theme="dark"] .btn-paste {
  color: #c084fc !important;
  background: rgba(124, 58, 237, 0.18) !important;
  border-color: rgba(139, 92, 246, 0.45) !important;
}

.tab-content {
  display: none;
}

.tab-content.active {
  display: flex;
  flex-direction: column;
  gap: 20px;
  animation: fade-in 0.3s ease;
}

#text-input {
  width: 100%;
  height: 200px;
  padding: 16px;
  font-family: var(--font-body);
  font-size: 0.95rem;
  line-height: 1.6;
  color: var(--text-primary);
  background: var(--bg-primary);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-md);
  outline: none;
  resize: none;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast), background var(--transition-fast);
}

#text-input:focus {
  border-color: var(--purple-500);
  background: var(--bg-secondary);
  box-shadow: 0 0 0 4px rgba(124, 58, 237, 0.12);
}

/* Conversion buttons grid */
.conversion-buttons-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
  width: 100%;
}

.conversion-buttons-grid .convert-action-btn {
  flex: 1 1 140px;
  max-width: calc(50% - 5px);
}

.convert-action-btn {
  font-size: 0.82rem;
  padding: 12px 14px;
  font-family: var(--font-heading);
  font-weight: 700;
  border-radius: var(--radius-md);
  text-align: center;
  transition: all var(--transition-fast);
}

@media (hover: hover) and (min-width: 769px) {
  .convert-action-btn:hover {
    background: var(--purple-500);
    color: #ffffff;
    border-color: var(--purple-500);
    box-shadow: 0 2px 8px rgba(124, 58, 237, 0.15);
  }
}

/* ── Upload Dropzone ── */
.upload-dropzone {
  border: 2px dashed var(--border);
  border-radius: var(--radius-md);
  background: var(--bg-primary);
  min-height: 200px;
  width: 100%;
  max-width: 100%;
  box-sizing: border-box;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  text-align: center;
  cursor: pointer;
  transition: border-color var(--transition-fast), background var(--transition-fast), box-shadow var(--transition-fast);
  position: relative;
  overflow: hidden;
}

@media (hover: hover) {
  .upload-dropzone:hover {
    border-color: var(--purple-500);
    background: var(--bg-tertiary);
  }
}

.upload-dropzone.dragover {
  border-color: var(--purple-500);
  background: var(--bg-tertiary);
  box-shadow: 0 0 0 4px rgba(124, 58, 237, 0.12);
}

.upload-dropzone.has-file {
  border-color: var(--purple-500);
  background: var(--bg-secondary);
  border-style: solid;
  cursor: default;
}

.dropzone-prompt {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
}

.upload-icon {
  width: 44px;
  height: 44px;
  color: var(--purple-500);
  margin-bottom: 4px;
  transition: transform var(--transition-fast);
}

@media (hover: hover) {
  .upload-dropzone:hover .upload-icon {
    transform: translateY(-2px);
  }
}

.prompt-main {
  font-weight: 600;
  font-size: 1.05rem;
  color: var(--text-primary);
}

.browse-link {
  color: var(--purple-500);
  text-decoration: underline;
  font-weight: 700;
}

.prompt-sub {
  font-size: 0.82rem;
  color: var(--text-muted);
  line-height: 1.4;
}

/* File List Inside Dropzone */
.file-list-panel {
  display: flex;
  flex-direction: column;
  width: 100%;
  max-width: 100%;
  min-width: 0;
  min-height: 180px;
  animation: float-up 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  box-sizing: border-box;
}

.file-list-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border);
}

.file-list-count {
  font-family: var(--font-heading);
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--text-primary);
}

.clear-all-btn {
  font-family: var(--font-heading);
  font-size: 0.82rem;
  font-weight: 600;
  color: #dc2626;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 4px 8px;
  border-radius: var(--radius-sm);
  transition: background var(--transition-fast), color var(--transition-fast);
}

@media (hover: hover) {
  .clear-all-btn:hover {
    background: rgba(220, 38, 38, 0.08);
    color: #ef4444;
  }
}

.file-list-scroll {
  flex: 1;
  overflow-y: auto;
  max-height: 140px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding-right: 4px;
  width: 100%;
  min-width: 0;
}

/* Custom scrollbars */
.file-list-scroll::-webkit-scrollbar {
  width: 6px;
}
.file-list-scroll::-webkit-scrollbar-track {
  background: transparent;
}
.file-list-scroll::-webkit-scrollbar-thumb {
  background: var(--border);
  border-radius: 3px;
}
@media (hover: hover) {
  .file-list-scroll::-webkit-scrollbar-thumb:hover {
    background: var(--purple-500);
  }
}

/* Selected File Row */
.file-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 14px;
  background: var(--bg-primary);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-md);
  transition: border-color var(--transition-fast), background var(--transition-fast);
  width: 100%;
  min-width: 0;
}

@media (hover: hover) {
  .file-item:hover {
    border-color: var(--purple-500);
    background: var(--bg-tertiary);
  }
}

.file-item-icon {
  width: 22px;
  height: 22px;
  color: var(--purple-500);
  flex-shrink: 0;
}

.file-item-info {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  text-align: left;
}

.file-item-name {
  display: block;
  font-weight: 600;
  font-size: 0.85rem;
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.file-item-size {
  font-size: 0.74rem;
  color: var(--text-muted);
  margin-top: 1px;
}

.remove-file-item-btn {
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-tertiary);
  border: none;
  border-radius: 50%;
  color: var(--text-secondary);
  cursor: pointer;
  transition: background var(--transition-fast), color var(--transition-fast);
}

@media (hover: hover) {
  .remove-file-item-btn:hover {
    background: #dc2626;
    color: #ffffff;
  }
}

.remove-file-item-btn svg,
.remove-file-item-btn .icon,
.remove-file-item-btn img {
  width: 14px;
  height: 14px;
}

.btn-add-more {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 4px;
  margin-top: 10px;
  padding: 5px 10px;
  font-family: var(--font-heading);
  font-size: 0.76rem;
  font-weight: 600;
  color: var(--purple-500);
  background: var(--bg-tertiary);
  border: 1.5px solid var(--border);
  border-radius: 6px;
  cursor: pointer;
  transition: all var(--transition-fast);
  align-self: flex-start;
  width: auto;
  max-width: fit-content;
}

@media (hover: hover) {
  .btn-add-more:hover {
    background: var(--bg-primary);
    border-color: var(--purple-500);
  }
}

.btn-add-more .add-icon {
  width: 12px;
  height: 12px;
}

/* File Options Panel below dropzone */
.file-options-panel {
  display: flex;
  align-items: flex-end;
  gap: 16px;
  width: 100%;
  margin-top: 8px;
}

.select-wrapper {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.select-label {
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.82rem;
  color: var(--text-secondary);
}

.case-select-dropdown {
  width: 100%;
  padding: 12px 16px;
  font-family: var(--font-body);
  font-size: 0.95rem;
  color: var(--text-primary);
  background: var(--bg-primary);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-md);
  outline: none;
  cursor: pointer;
  transition: border-color var(--transition-fast);
}

.case-select-dropdown:focus {
  border-color: var(--purple-500);
}

.convert-files-btn {
  padding: 12px 24px;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.9rem;
  text-transform: uppercase;
}

/* ── Error Banner ── */
.error-banner {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px;
  background: rgba(239, 68, 68, 0.08);
  border: 1.5px solid rgba(239, 68, 68, 0.2);
  border-radius: var(--radius-md);
  color: #dc2626;
  font-size: 0.86rem;
  animation: float-up 0.3s ease;
}

[data-theme="dark"] .error-banner {
  background: rgba(239, 68, 68, 0.15);
  color: #fca5a5;
  border-color: rgba(239, 68, 68, 0.3);
}

.error-icon {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}

.error-text {
  font-weight: 500;
  line-height: 1.4;
}

/* ── Right: Output Panel ── */
.output-panel {
  padding: 20px 24px;
  min-height: 340px;
  display: flex;
  flex-direction: column;
  min-width: 0;
  height: 100%;
}

.output-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 14px;
  padding-bottom: 10px;
  border-bottom: 1.5px solid var(--border);
  width: 100%;
}

.output-panel-title {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-primary);
  margin: 0;
  padding: 0;
  border: none;
  white-space: nowrap;
}

.output-header-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-left: auto;
}

/* Placeholder state - Vertically & Horizontally Centered */
.output-placeholder-state {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 14px;
  text-align: center;
  color: var(--text-muted);
  height: 100%;
  min-height: 250px;
  width: 100%;
  margin: auto 0;
}

.placeholder-icon {
  width: 50px;
  height: 50px;
  color: var(--border);
  margin-bottom: 4px;
}

.output-placeholder-state p {
  font-size: 0.95rem;
  line-height: 1.5;
  margin: 0;
}

/* Text Output Panel - Fills remaining height */
.output-type-section {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 0;
  height: 100%;
  min-height: 0;
  width: 100%;
}

#text-output {
  width: 100%;
  height: 100%;
  flex: 1;
  min-height: 220px;
  padding: 16px;
  font-family: var(--font-body);
  font-size: 0.95rem;
  line-height: 1.6;
  color: var(--text-primary);
  background: var(--bg-tertiary);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-md);
  outline: none;
  resize: none;
  box-sizing: border-box;
}

.copy-status {
  font-size: 0.84rem;
  font-weight: 600;
  color: var(--purple-500);
  opacity: 0;
  transition: opacity 0.2s ease;
}

.copy-output-btn {
  display: inline-flex !important;
  align-items: center !important;
  justify-content: center !important;
  width: 36px !important;
  height: 36px !important;
  padding: 0 !important;
  font-family: var(--font-heading);
  color: #ffffff !important;
  background: var(--gradient-primary) !important;
  border: none !important;
  border-radius: var(--radius-sm);
  cursor: pointer;
  outline: none;
  box-sizing: border-box;
  box-shadow: 0 2px 8px rgba(124, 58, 237, 0.25);
  transition: all var(--transition-fast);
  flex-shrink: 0;
}

@media (hover: hover) {
  .copy-output-btn:hover {
    box-shadow: 0 4px 12px rgba(124, 58, 237, 0.4);
    transform: translateY(-1px);
  }
}

.copy-icon {
  width: 16px;
  height: 16px;
}

/* File Output Panel */
.output-file-section {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.output-file-intro {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

.converted-files-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
  overflow-y: auto;
  max-height: 240px;
  padding-right: 4px;
  width: 100%;
  min-width: 0;
}

.converted-file-item {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px 18px;
  background: var(--bg-primary);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-md);
  transition: border-color var(--transition-fast);
  width: 100%;
  min-width: 0;
}

@media (hover: hover) {
  .converted-file-item:hover {
    border-color: var(--purple-500);
  }
}

.converted-file-item .file-icon {
  width: 28px;
  height: 28px;
  color: var(--purple-500);
  flex-shrink: 0;
}

.converted-file-item .file-meta {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  text-align: left;
}

.converted-file-item .file-name {
  display: block;
  font-weight: 600;
  font-size: 0.88rem;
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.converted-file-item .file-size {
  font-size: 0.78rem;
  color: var(--text-muted);
  margin-top: 2px;
}

.download-link-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.82rem;
  color: var(--purple-500);
  background: rgba(124, 58, 237, 0.06);
  border: 1.5px solid rgba(124, 58, 237, 0.15);
  padding: 8px 14px;
  border-radius: var(--radius-md);
  text-decoration: none;
  transition: all var(--transition-fast);
  cursor: pointer;
}

@media (hover: hover) {
  .download-link-btn:hover {
    background: var(--purple-500);
    color: #ffffff;
    border-color: var(--purple-500);
    box-shadow: 0 2px 8px rgba(124, 58, 237, 0.1);
  }
}

.download-icon {
  width: 14px;
  height: 14px;
}

/* ── Consolidated Responsive Media Queries ── */
@media (max-width: 900px) {
  .app-layout-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }
}

@media (max-width: 768px) {
  .input-panel, 
  .output-panel {
    padding: 24px 20px;
    gap: 20px;
  }

  .convert-files-btn,
  .copy-output-btn,
  .btn-add-more {
    padding: 12px 24px;
    font-size: 0.92rem;
  }

  #text-input, 
  .upload-dropzone {
    height: 220px;
    min-height: 220px;
    padding: 14px;
  }

  /* Reset hover effects on mobile */
  .convert-action-btn:hover,
  .convert-files-btn:hover,
  .copy-output-btn:hover,
  .btn-add-more:hover {
    transform: none !important;
    filter: none !important;
    box-shadow: none !important;
  }
  
  .convert-action-btn:hover,
  .btn-add-more:hover {
    background: var(--bg-card) !important;
    color: var(--text-primary) !important;
    border-color: var(--border) !important;
  }
  
  .convert-files-btn:hover,
  .copy-output-btn:hover {
    background: var(--gradient-primary) !important;
    color: #ffffff !important;
  }
}

@media (max-width: 480px) {
  .input-panel, 
  .output-panel {
    padding: 16px;
    gap: 16px;
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
  }
  
  .tab-selectors {
    padding-bottom: 8px;
  }
  
  .tab-btn {
    padding: 6px 12px;
    font-size: 0.82rem;
  }
  
  #text-input, 
  .upload-dropzone {
    min-height: 180px;
    height: 180px;
    padding: 12px;
  }
  
  .upload-dropzone.has-file {
    height: auto !important;
  }
  
  .conversion-buttons-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 8px;
  }
  
  .convert-action-btn {
    font-size: 0.78rem;
    padding: 10px 8px;
  }
  
  .convert-action-btn:last-child {
    grid-column: span 2;
  }

  .file-options-panel {
    flex-direction: column;
    align-items: stretch;
    gap: 12px;
  }
  
  .convert-files-btn {
    width: 100%;
    padding: 10px 14px;
    font-size: 0.84rem;
  }

  .btn-add-more {
    padding: 4px 8px;
    font-size: 0.74rem;
    border-radius: 5px;
  }

  .download-link-btn {
    padding: 5px 10px;
    font-size: 0.75rem;
    border-radius: 5px;
    flex-shrink: 0;
  }

  .converted-file-item {
    padding: 10px 12px;
    gap: 10px;
  }
}