/* Shared tool-page styles — matches index / pixel workspace dark theme */

/* ── Unified file upload zone (usable site-wide) ── */
.tool-upload {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
  min-height: 180px;
  padding: 2.25rem 1.25rem;
  margin-bottom: 1.25rem;
  text-align: center;
  border: 2px dashed rgba(61, 217, 74, 0.35);
  border-radius: 12px;
  background: var(--app-secondary, #1a1a1a);
  color: var(--app-text, #e0e0e0);
  cursor: pointer;
  transition: border-color 0.25s, background 0.25s, transform 0.25s;
  overflow: hidden;
}

.tool-upload:hover,
.tool-upload.active,
.tool-upload.drag-over,
.tool-upload.dragover {
  border-color: var(--app-primary, #3dd94a);
  background: rgba(61, 217, 74, 0.08);
  transform: translateY(-2px);
}

.tool-upload-icon {
  width: 48px;
  height: 48px;
  color: var(--app-primary, #3dd94a);
  flex-shrink: 0;
}

.tool-upload-title {
  margin: 0;
  color: var(--app-primary, #3dd94a);
  font-size: 1rem;
  font-weight: 600;
  line-height: 1.35;
}

.tool-upload-hint {
  margin: 0;
  color: var(--app-p-text, #8ba28b);
  font-size: 0.875rem;
  line-height: 1.4;
}

.tool-upload-formats {
  margin: 0.15rem 0 0;
  color: var(--app-disabled, #666);
  font-size: 0.72rem;
  line-height: 1.35;
}

label.tool-upload .tool-upload-title,
label.tool-upload .tool-upload-hint,
label.tool-upload .tool-upload-formats {
  display: block;
}

.tool-upload-input {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  cursor: pointer;
  display: block;
}

.tool-upload-input[hidden],
input.tool-upload-input[type="file"][hidden] {
  display: none;
}

@media (max-width: 480px) {
  .tool-upload {
    min-height: 150px;
    padding: 1.75rem 1rem;
  }

  .tool-upload-icon {
    width: 40px;
    height: 40px;
  }
}

.tool-page {
  --tool-primary: var(--app-primary, #3dd94a);
  --tool-primary-dim: var(--app-accent, #21752a);
  --tool-bg: var(--app-bg, #121212);
  --tool-surface: var(--app-secondary, #1a1a1a);
  --tool-surface-2: #242424;
  --tool-border: var(--app-border, #333333);
  --tool-text: var(--app-text, #e0e0e0);
  --tool-muted: var(--app-p-text, #8ba28b);
  --tool-error: #f44336;
  --tool-success: var(--tool-primary);
  --tool-radius: 12px;
  --tool-radius-sm: 8px;
  --tool-transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);

  max-width: 1000px;
  margin: 0 auto;
  padding: 16px;
}

@media (min-width: 768px) {
  .tool-page {
    padding: 24px 16px;
  }
}

.tool-page .container {
  width: 100%;
  max-width: 100%;
  margin: 0 auto;
  padding: 1.25rem;
  background: var(--tool-bg);
  border: 2px solid var(--tool-primary);
  border-radius: 24px;
  box-shadow: 0 0 24px rgba(61, 217, 74, 0.08);
  color: var(--tool-text);
  transition: var(--tool-transition);
  animation: toolFadeIn 0.45s ease-out;
}

@media (min-width: 768px) {
  .tool-page .container {
    padding: 2rem;
  }
}

@keyframes toolFadeIn {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: translateY(0); }
}

.tool-page h1 {
  text-align: center;
  margin-bottom: 1.25rem;
  color: var(--tool-primary);
  font-weight: 700;
  font-size: clamp(1.25rem, 4vw, 1.75rem);
  line-height: 1.3;
}

.tool-page header {
  text-align: center;
  margin-bottom: 1.5rem;
}

.tool-page header p,
.tool-page p {
  color: var(--tool-muted);
  font-size: clamp(0.875rem, 3vw, 1rem);
}

.tool-page h2 {
  color: var(--tool-text);
  font-weight: 600;
}

.tool-page h3 {
  color: var(--tool-text);
  font-size: 0.95rem;
  margin-bottom: 0.75rem;
}

/* Buttons */
.tool-page .btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  background: var(--tool-primary);
  color: var(--tool-bg);
  border: none;
  border-radius: 999px;
  cursor: pointer;
  font-size: 0.95rem;
  font-weight: 600;
  text-decoration: none;
  transition: opacity 0.2s, transform 0.2s, background 0.2s;
  box-shadow: none;
}

.tool-page .btn:hover {
  opacity: 0.92;
  transform: translateY(-1px);
  background: var(--tool-primary);
  color: var(--tool-bg);
}

.tool-page .btn:active {
  transform: scale(0.98);
}

.tool-page .btn:disabled {
  background: var(--tool-border);
  color: var(--tool-muted);
  cursor: not-allowed;
  opacity: 0.65;
  transform: none;
}

.tool-page .btn-secondary {
  background: transparent;
  color: var(--tool-primary);
  border: 1px solid var(--tool-primary);
}

.tool-page .btn-secondary:hover {
  background: rgba(61, 217, 74, 0.1);
  color: var(--tool-primary);
}

.tool-page .controls,
.tool-page .btn-group,
.tool-page .actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  justify-content: center;
  margin: 1.5rem 0;
}

/* Upload areas — alias to unified .tool-upload */
.tool-page .tool-upload,
.tool-page .upload-area,
.tool-page .upload-section {
  background: var(--tool-surface);
  border-color: rgba(61, 217, 74, 0.35);
  border-radius: var(--tool-radius);
}

.tool-page .tool-upload:hover,
.tool-page .tool-upload.active,
.tool-page .tool-upload.drag-over,
.tool-page .tool-upload.dragover,
.tool-page .upload-area:hover,
.tool-page .upload-area.active,
.tool-page .upload-section:hover,
.tool-page .upload-section.drag-over {
  border-color: var(--tool-primary);
  background: rgba(61, 217, 74, 0.08);
  transform: translateY(-2px);
}

.tool-page .tool-upload-title,
.tool-page .upload-section h2 {
  font-size: 1rem;
  margin: 0;
  color: var(--tool-primary);
  font-weight: 600;
}

.tool-page .tool-upload-hint,
.tool-page .upload-section p:not(.tool-upload-formats) {
  margin: 0;
  color: var(--tool-muted);
  font-size: 0.875rem;
}

.tool-page .upload-section input[type="file"],
.tool-page .upload-area .tool-upload-input,
.tool-page .file-input:not([hidden]) {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  cursor: pointer;
  display: block;
}

.tool-page .file-input[hidden],
.tool-page input[type="file"][hidden] {
  display: none;
}

.tool-page .small,
.tool-page .tool-upload-formats {
  font-size: 0.72rem;
  color: var(--tool-muted);
}

.tool-page .upload-container {
  margin-bottom: 1.25rem;
}

.tool-page .upload-container .tool-upload {
  margin-bottom: 0;
}

/* Tabs */
.tool-page .tabs {
  display: flex;
  margin-bottom: 1.5rem;
  border-bottom: 1px solid var(--tool-border);
  overflow-x: auto;
  scrollbar-width: none;
  gap: 0.5rem;
}

.tool-page .tabs::-webkit-scrollbar {
  display: none;
}

.tool-page .tab {
  padding: 0.65rem 1rem;
  cursor: pointer;
  background: var(--tool-surface-2);
  border: 1px solid var(--tool-border);
  border-bottom: none;
  border-radius: var(--tool-radius-sm) var(--tool-radius-sm) 0 0;
  transition: var(--tool-transition);
  font-weight: 600;
  white-space: nowrap;
  color: var(--tool-muted);
  font-size: 0.88rem;
}

.tool-page .tab:hover {
  color: var(--tool-text);
  border-color: var(--tool-primary);
}

.tool-page .tab.active {
  color: var(--tool-primary);
  background: rgba(61, 217, 74, 0.1);
  border-color: var(--tool-primary);
}

.tool-page .tab-content {
  display: none;
  animation: toolFadeIn 0.35s ease-out;
}

.tool-page .tab-content.active {
  display: block;
}

/* Forms */
.tool-page .options-section {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 1.25rem;
}

.tool-page .option-group {
  flex: 1;
  min-width: 180px;
  background: var(--tool-surface);
  border: 1px solid var(--tool-border);
  border-radius: var(--tool-radius);
  padding: 1rem;
}

.tool-page .option-title {
  font-weight: 600;
  margin-bottom: 0.75rem;
  color: var(--tool-primary);
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.tool-page .radio-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.tool-page .radio-option {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 0.5rem;
  cursor: pointer;
  border-radius: 6px;
  color: var(--tool-text);
  transition: background 0.2s;
}

.tool-page .radio-option:hover {
  background: rgba(61, 217, 74, 0.08);
}

.tool-page .radio-option input[type="radio"] {
  accent-color: var(--tool-primary);
  width: 16px;
  height: 16px;
}

.tool-page select,
.tool-page input[type="color"] {
  width: 100%;
  padding: 0.65rem 0.75rem;
  border: 1px solid var(--tool-border);
  border-radius: var(--tool-radius-sm);
  background: var(--tool-surface-2);
  color: var(--tool-text);
  font-size: 0.9rem;
  margin-top: 0.35rem;
  transition: var(--tool-transition);
}

.tool-page select:focus,
.tool-page input[type="color"]:focus {
  outline: none;
  border-color: var(--tool-primary);
  box-shadow: 0 0 0 2px rgba(61, 217, 74, 0.15);
}

.tool-page .color-picker {
  margin-top: 0.75rem;
}

.tool-page input[type="color"] {
  height: 40px;
  padding: 2px;
  cursor: pointer;
}

.tool-page .gradient-colors {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.tool-page .gradient-preview {
  height: 32px;
  width: 100%;
  border-radius: var(--tool-radius-sm);
  margin-top: 0.75rem;
  border: 1px solid var(--tool-border);
}

/* Toggle switch */
.tool-page .upscale-switcher {
  /* display: flex; */
  display: none;
  align-items: center;
  justify-content: center;
  margin: 1rem 0;
  gap: 0.75rem;
}

.tool-page .switch-label {
  font-size: 0.95rem;
  color: var(--tool-text);
}

.tool-page .switch {
  position: relative;
  display: inline-block;
  width: 50px;
  height: 24px;
}

.tool-page .switch input {
  opacity: 0;
  width: 0;
  height: 0;
}

.tool-page .slider {
  position: absolute;
  cursor: pointer;
  inset: 0;
  background-color: var(--tool-border);
  transition: 0.3s;
  border-radius: 24px;
}

.tool-page .slider:before {
  position: absolute;
  content: "";
  height: 16px;
  width: 16px;
  left: 4px;
  bottom: 4px;
  background-color: var(--tool-text);
  transition: 0.3s;
  border-radius: 50%;
}

.tool-page input:checked + .slider {
  background-color: var(--tool-primary-dim);
}

.tool-page input:checked + .slider:before {
  transform: translateX(26px);
  background-color: var(--tool-bg);
}

/* Image / crop area */
.tool-page .image-container {
  margin: 1.5rem auto;
  width: 100%;
  max-width: 800px;
  height: 300px;
  background: var(--tool-surface);
  border: 2px dashed var(--tool-border);
  border-radius: var(--tool-radius);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  transition: var(--tool-transition);
}

@media (min-width: 768px) {
  .tool-page .image-container {
    height: 400px;
  }
}

.tool-page .image-container:hover {
  border-color: var(--tool-primary);
}

.tool-page .image-container img {
  max-width: 100%;
  max-height: 100%;
}

.tool-page .upload-container {
  text-align: center;
  margin-bottom: 1.25rem;
}

/* Preview grids */
.tool-page .preview-container,
.tool-page .preview-section,
.tool-page .result-section,
.tool-page .batch-preview {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 0.75rem;
  margin-top: 1.25rem;
}

.tool-page .preview-container {
  grid-template-columns: repeat(3, 1fr);
}

.tool-page .preview-item,
.tool-page .result-item,
.tool-page .batch-item {
  position: relative;
  border: 1px solid var(--tool-border);
  border-radius: var(--tool-radius-sm);
  overflow: hidden;
  aspect-ratio: 1;
  background: var(--tool-surface);
  transition: var(--tool-transition);
}

.tool-page .preview-item:hover,
.tool-page .result-item:hover,
.tool-page .batch-item:hover {
  transform: translateY(-3px);
  border-color: var(--tool-primary);
}

.tool-page .preview-item img,
.tool-page .result-item img,
.tool-page .batch-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.tool-page .result-item img {
  object-fit: contain;
}

.tool-page .preview-item span,
.tool-page .preview-item .filename,
.tool-page .result-item .filename,
.tool-page .batch-item .filename {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: rgba(0, 0, 0, 0.75);
  color: var(--tool-text);
  padding: 0.35rem 0.5rem;
  font-size: 0.72rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* File list */
.tool-page .selected-files {
  margin-top: 1.25rem;
  text-align: left;
  max-height: 200px;
  overflow-y: auto;
  padding: 1rem;
  border-radius: var(--tool-radius-sm);
  background: var(--tool-surface);
  border: 1px solid var(--tool-border);
  display: none;
}

.tool-page .file-item {
  margin-bottom: 0.5rem;
  font-size: 0.875rem;
  padding: 0.5rem 0.75rem;
  background: var(--tool-surface-2);
  border-radius: 6px;
  border-left: 3px solid var(--tool-primary);
  color: var(--tool-text);
  transition: var(--tool-transition);
}

.tool-page .file-item:hover {
  transform: translateX(4px);
}

/* Alerts & messages */
.tool-page .alert {
  padding: 1rem;
  border-radius: var(--tool-radius-sm);
  margin-bottom: 1.25rem;
  animation: toolFadeIn 0.3s ease-out;
}

.tool-page .alert-error,
.tool-page .message.error {
  background: rgba(244, 67, 54, 0.12);
  color: #ff8a80;
  border: 1px solid rgba(244, 67, 54, 0.35);
}

.tool-page .alert-success,
.tool-page .message.success {
  background: rgba(61, 217, 74, 0.1);
  color: var(--tool-primary);
  border: 1px solid rgba(61, 217, 74, 0.35);
}

.tool-page .message {
  text-align: center;
  padding: 0.75rem;
  margin: 0.75rem 0;
  border-radius: var(--tool-radius-sm);
  font-size: 0.9rem;
}

/* Result box (webp2png result) */
.tool-page .result-box {
  text-align: center;
  padding: 2rem 1.5rem;
  margin: 1.5rem 0;
  background: var(--tool-surface);
  border-radius: var(--tool-radius);
  border: 1px solid var(--tool-border);
  border-left: 4px solid var(--tool-primary);
  transition: var(--tool-transition);
}

.tool-page .result-box:hover {
  border-color: var(--tool-primary);
}

.tool-page .result-box h2 {
  text-align: center;
  color: var(--tool-primary);
  margin-bottom: 0.75rem;
}

.tool-page .icon-success {
  font-size: 3.5rem;
  color: var(--tool-primary);
  margin-bottom: 1rem;
  line-height: 1;
}

.tool-page .error-files {
  margin-top: 1.5rem;
  background: rgba(244, 67, 54, 0.08);
  border: 1px solid rgba(244, 67, 54, 0.3);
  border-radius: var(--tool-radius);
  padding: 1.25rem;
}

.tool-page .error-files h3 {
  color: #ff8a80;
  margin-bottom: 0.75rem;
}

.tool-page .error-item {
  color: #ff8a80;
  margin-bottom: 0.4rem;
  padding: 0.45rem 0.6rem;
  background: rgba(244, 67, 54, 0.1);
  border-radius: 4px;
  list-style: none;
}

/* Progress & status */
.tool-page .progress-container {
  margin: 1.25rem 0;
  width: 100%;
  background: var(--tool-surface);
  border-radius: 100px;
  overflow: hidden;
  height: 12px;
  border: 1px solid var(--tool-border);
}

.tool-page .progress-bar {
  height: 100%;
  background: linear-gradient(90deg, var(--tool-primary-dim), var(--tool-primary));
  width: 0;
  transition: width 0.5s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.6rem;
  color: var(--tool-bg);
  font-weight: 600;
}

.tool-page .status,
.tool-page .processing-info {
  margin: 1rem 0;
  text-align: center;
  color: var(--tool-muted);
  font-size: 0.92rem;
}

/* Loading */
.tool-page .loading {
  text-align: center;
  margin: 1.25rem 0;
}

.tool-page .image-container .loading {
  position: absolute;
  inset: 0;
  background: rgba(18, 18, 18, 0.85);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10;
  margin: 0;
}

.tool-page #loading {
  display: none;
}

.tool-page .loading-spinner,
.tool-page .spinner {
  border: 3px solid rgba(61, 217, 74, 0.15);
  border-top-color: var(--tool-primary);
  border-radius: 50%;
  width: 40px;
  height: 40px;
  animation: toolSpin 0.8s linear infinite;
  margin: 0 auto 0.75rem;
}

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

.tool-page .hidden {
  display: none !important;
}

/* Modal */
.tool-page .modal {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.7);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 100;
  backdrop-filter: blur(5px);
}

.tool-page .modal-content {
  background: var(--tool-surface);
  border: 1px solid var(--tool-border);
  padding: 1.5rem;
  border-radius: var(--tool-radius);
  width: 90%;
  max-width: 500px;
  max-height: 90vh;
  overflow: auto;
  color: var(--tool-text);
}

.tool-page .close {
  position: absolute;
  top: 1rem;
  right: 1rem;
  cursor: pointer;
  font-size: 1.5rem;
  color: var(--tool-muted);
  transition: color 0.2s;
}

.tool-page .close:hover {
  color: var(--tool-primary);
}

.tool-page #backgroundImageContainer {
  margin-top: 0.75rem;
}

.tool-page #backgroundImageContainer[hidden] {
  display: none !important;
}

.tool-page .tool-upload-compact {
  min-height: 120px;
  padding: 1.25rem 1rem;
  margin-bottom: 0.75rem;
}

.tool-page .tool-upload-compact .tool-upload-icon {
  width: 36px;
  height: 36px;
}

.tool-page #backgroundImagePreview {
  max-width: 100%;
  max-height: 120px;
  margin-top: 0.75rem;
  border: 1px solid var(--tool-border);
  border-radius: var(--tool-radius-sm);
  display: block;
}

.tool-page #backgroundImagePreview[hidden] {
  display: none !important;
}

.tool-page .card {
  margin-bottom: 0;
}

/* Cropper.js dark overrides */
.tool-page .cropper-view-box,
.tool-page .cropper-face {
  border-radius: 0;
}

.tool-page .cropper-line,
.tool-page .cropper-point {
  background-color: var(--tool-primary);
}

.tool-page .cropper-bg {
  background-image: none;
  background-color: var(--tool-surface-2);
}

@media (max-width: 768px) {
  .tool-page .container {
    padding: 1.25rem;
    border-radius: 16px;
  }

  .tool-page .btn,
  .tool-page .upload-btn {
    width: 100%;
  }

  .tool-page .controls .btn,
  .tool-page .btn-group .btn,
  .tool-page .actions .btn {
    width: 100%;
  }

  .tool-page .options-section {
    flex-direction: column;
  }

  .tool-page .preview-section,
  .tool-page .result-section {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 480px) {
  .tool-page {
    padding: 8px;
  }

  .tool-page .container {
    padding: 1rem;
    border-radius: 12px;
  }

  .tool-page .upload-area,
  .tool-page .upload-section {
    padding: 1.25rem 0.75rem;
  }
}