/* ═══════════════════════════════════════════════════════════════════
   AI Image Enhancer - enhance.css
   Scoped under .enhance-tool so it never bleeds into other tools
   ═══════════════════════════════════════════════════════════════════ */

/* ── Tokens ─────────────────────────────────────────────────────── */
:root {
  --en-primary:      #5b5ef4;
  --en-primary-dark: #4547d0;
  --en-primary-glow: rgba(91, 94, 244, 0.18);
  --en-accent:       #06b6d4;
  --en-accent2:      #f59e0b;
  --en-success:      #10b981;
  --en-danger:       #ef4444;
  --en-bg:           #f8f9fe;
  --en-surface:      #ffffff;
  --en-surface2:     #f0f1fb;
  --en-border:       #e2e4f0;
  --en-border-focus: #5b5ef4;
  --en-text:         #1e1f3b;
  --en-text-muted:   #6b7280;
  --en-text-light:   #9ca3af;
  --en-radius:       12px;
  --en-radius-lg:    18px;
  --en-shadow-sm:    0 1px 3px rgba(30,31,59,.06), 0 1px 2px rgba(30,31,59,.04);
  --en-shadow:       0 4px 16px rgba(30,31,59,.08), 0 1px 4px rgba(30,31,59,.04);
  --en-shadow-lg:    0 12px 40px rgba(30,31,59,.12), 0 4px 12px rgba(30,31,59,.06);
  --en-transition:   .18s cubic-bezier(.4,0,.2,1);
}

/* ── Reset (scoped) ─────────────────────────────────────────────── */
.enhance-tool *, .enhance-workspace *, .enhance-download * {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
.enhance-tool button, .enhance-workspace button, .enhance-download button {
  cursor: pointer;
  font-family: inherit;
}

/* ═══════════════════════════════════════════════════════════════════
   PAGE 1 - UPLOAD
   ═══════════════════════════════════════════════════════════════════ */

.enhance-tool {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  color: var(--en-text);
}

/* Hero ─────────────────────────────────────────────────────────── */
.en-hero {
  background: linear-gradient(135deg, #f0f1fb 0%, #e8f4fd 40%, #f5f0ff 100%);
  padding: 56px 20px 48px;
  text-align: center;
  border-bottom: 1px solid var(--en-border);
}

.en-hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--en-primary-glow);
  color: var(--en-primary);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .04em;
  text-transform: uppercase;
  padding: 5px 14px;
  border-radius: 999px;
  margin-bottom: 18px;
  border: 1px solid rgba(91,94,244,.2);
}

.en-hero-badge svg { width: 13px; height: 13px; }

.en-hero h1 {
  font-size: clamp(26px, 5vw, 42px);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -.02em;
  color: var(--en-text);
  margin-bottom: 14px;
}

.en-hero h1 span {
  background: linear-gradient(135deg, var(--en-primary), var(--en-accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.en-hero p {
  font-size: 16px;
  color: var(--en-text-muted);
  max-width: 540px;
  margin: 0 auto 30px;
  line-height: 1.6;
}

/* Stat pills */
.en-hero-stats {
  display: flex;
  gap: 10px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 0;
}

.en-stat-pill {
  background: var(--en-surface);
  border: 1px solid var(--en-border);
  padding: 6px 14px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 500;
  color: var(--en-text-muted);
  display: flex;
  align-items: center;
  gap: 5px;
}

.en-stat-pill strong { color: var(--en-primary); }

/* Upload Box ───────────────────────────────────────────────────── */
.en-upload-section {
  max-width: 760px;
  margin: -28px auto 0;
  padding: 0 20px 48px;
  position: relative;
  z-index: 2;
}

.en-upload-card {
  background: var(--en-surface);
  border: 2px dashed var(--en-border);
  border-radius: var(--en-radius-lg);
  padding: 48px 32px;
  text-align: center;
  cursor: pointer;
  transition: border-color var(--en-transition), background var(--en-transition), box-shadow var(--en-transition);
  box-shadow: var(--en-shadow);
  position: relative;
  overflow: hidden;
}

.en-upload-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(91,94,244,.03), rgba(6,182,212,.03));
  opacity: 0;
  transition: opacity var(--en-transition);
}

.en-upload-card:hover,
.en-upload-card.en-drag-over {
  border-color: var(--en-primary);
  background: #fafafe;
  box-shadow: var(--en-shadow-lg), 0 0 0 4px var(--en-primary-glow);
}

.en-upload-card:hover::before,
.en-upload-card.en-drag-over::before { opacity: 1; }

.en-upload-icon {
  width: 72px;
  height: 72px;
  background: var(--en-primary-glow);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 18px;
  transition: transform var(--en-transition);
}

.en-upload-card:hover .en-upload-icon { transform: scale(1.08) translateY(-2px); }

.en-upload-icon svg {
  width: 32px;
  height: 32px;
  color: var(--en-primary);
}

.en-upload-card h3 {
  font-size: 18px;
  font-weight: 700;
  color: var(--en-text);
  margin-bottom: 6px;
}

.en-upload-card p {
  font-size: 14px;
  color: var(--en-text-muted);
  margin-bottom: 20px;
}

.en-upload-formats {
  display: flex;
  gap: 8px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 22px;
}

.en-format-tag {
  background: var(--en-surface2);
  color: var(--en-text-muted);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: .05em;
  padding: 4px 10px;
  border-radius: 6px;
  text-transform: uppercase;
}

.en-btn-upload-trigger {
  background: linear-gradient(135deg, var(--en-primary), var(--en-primary-dark));
  color: #fff;
  border: none;
  padding: 12px 28px;
  border-radius: 10px;
  font-size: 15px;
  font-weight: 600;
  transition: transform var(--en-transition), box-shadow var(--en-transition), opacity var(--en-transition);
  box-shadow: 0 4px 14px rgba(91,94,244,.35);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.en-btn-upload-trigger:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(91,94,244,.45);
}

.en-btn-upload-trigger:active { transform: translateY(0); }

#en-file-input { display: none; }

/* Upload preview */
.en-preview-container {
  display: none;
  margin-top: 20px;
  background: var(--en-surface2);
  border-radius: var(--en-radius);
  padding: 16px;
  align-items: center;
  gap: 16px;
}

.en-preview-container.en-visible { display: flex; }

.en-preview-thumb {
  width: 72px;
  height: 72px;
  border-radius: 8px;
  object-fit: cover;
  box-shadow: var(--en-shadow);
  flex-shrink: 0;
}

.en-preview-info { flex: 1; text-align: left; }

.en-preview-info .en-file-name {
  font-size: 14px;
  font-weight: 600;
  color: var(--en-text);
  margin-bottom: 4px;
  word-break: break-all;
}

.en-preview-info .en-file-size {
  font-size: 12px;
  color: var(--en-text-muted);
  margin-bottom: 10px;
}

.en-btn-start {
  background: linear-gradient(135deg, var(--en-success), #059669);
  color: #fff;
  border: none;
  padding: 10px 22px;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: transform var(--en-transition), box-shadow var(--en-transition);
  box-shadow: 0 3px 12px rgba(16,185,129,.3);
  white-space: nowrap;
}

.en-btn-start:hover {
  transform: translateY(-1px);
  box-shadow: 0 5px 16px rgba(16,185,129,.4);
}

/* ── SEO Content (upload page) ──────────────────────────────────── */
.en-seo-wrap {
  max-width: 860px;
  margin: 0 auto;
  padding: 0 20px 64px;
}

.en-seo-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 16px;
  margin-bottom: 48px;
}

.en-seo-card {
  background: var(--en-surface);
  border: 1px solid var(--en-border);
  border-radius: var(--en-radius);
  padding: 24px;
  box-shadow: var(--en-shadow-sm);
  transition: box-shadow var(--en-transition), transform var(--en-transition);
}

.en-seo-card:hover {
  box-shadow: var(--en-shadow);
  transform: translateY(-2px);
}

.en-seo-icon {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: var(--en-primary-glow);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 14px;
  color: var(--en-primary);
}

.en-seo-card h3 {
  font-size: 15px;
  font-weight: 700;
  margin-bottom: 6px;
  color: var(--en-text);
}

.en-seo-card p {
  font-size: 13.5px;
  color: var(--en-text-muted);
  line-height: 1.6;
}

.en-seo-section { margin-bottom: 40px; }

.en-seo-section h2 {
  font-size: 22px;
  font-weight: 800;
  letter-spacing: -.02em;
  color: var(--en-text);
  margin-bottom: 12px;
}

.en-seo-section p {
  font-size: 15px;
  color: var(--en-text-muted);
  line-height: 1.7;
  margin-bottom: 12px;
}

/* Steps */
.en-steps {
  display: flex;
  gap: 0;
  flex-direction: column;
}

.en-step {
  display: flex;
  gap: 16px;
  padding: 20px 0;
  border-bottom: 1px solid var(--en-border);
}

.en-step:last-child { border-bottom: none; }

.en-step-num {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--en-primary);
  color: #fff;
  font-size: 13px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  margin-top: 2px;
}

.en-step-body h4 {
  font-size: 15px;
  font-weight: 700;
  color: var(--en-text);
  margin-bottom: 4px;
}

.en-step-body p {
  font-size: 13.5px;
  color: var(--en-text-muted);
  line-height: 1.6;
  margin: 0;
}

/* FAQ */
.en-faq { border: 1px solid var(--en-border); border-radius: var(--en-radius); overflow: hidden; }

.en-faq-item { border-bottom: 1px solid var(--en-border); }
.en-faq-item:last-child { border-bottom: none; }

.en-faq-q {
  background: none;
  border: none;
  width: 100%;
  text-align: left;
  padding: 18px 20px;
  font-size: 15px;
  font-weight: 600;
  color: var(--en-text);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  transition: background var(--en-transition);
}

.en-faq-q:hover { background: var(--en-surface2); }

.en-faq-q svg {
  width: 18px;
  height: 18px;
  color: var(--en-primary);
  flex-shrink: 0;
  transition: transform var(--en-transition);
}

.en-faq-item.en-open .en-faq-q svg { transform: rotate(45deg); }

.en-faq-a {
  display: none;
  padding: 0 20px 18px;
  font-size: 14px;
  color: var(--en-text-muted);
  line-height: 1.7;
}

.en-faq-item.en-open .en-faq-a { display: block; }

/* ═══════════════════════════════════════════════════════════════════
   PAGE 2 - WORKSPACE (full-screen, standalone)
   ═══════════════════════════════════════════════════════════════════ */

html.en-ws-html, body.en-ws-body {
  margin: 0;
  padding: 0;
  height: 100%;
  overflow: hidden;
  background: #f0f1fb;
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  color: var(--en-text);
}

.enhance-workspace {
  display: flex;
  flex-direction: column;
  height: 100vh;
  height: 100dvh;
  overflow: hidden;
  background: var(--en-bg);
}

/* Top Bar ──────────────────────────────────────────────────────── */
.en-topbar {
  height: 52px;
  background: var(--en-surface);
  border-bottom: 1px solid var(--en-border);
  display: flex;
  align-items: center;
  padding: 0 16px;
  gap: 12px;
  flex-shrink: 0;
  box-shadow: var(--en-shadow-sm);
  z-index: 100;
}

.en-topbar-brand {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 15px;
  font-weight: 700;
  color: var(--en-text);
  text-decoration: none;
}

.en-topbar-brand svg {
  width: 22px;
  height: 22px;
  color: var(--en-primary);
}

.en-topbar-sep {
  width: 1px;
  height: 22px;
  background: var(--en-border);
  margin: 0 4px;
}

.en-topbar-spacer { flex: 1; }

.en-btn-icon {
  background: var(--en-surface2);
  border: 1px solid var(--en-border);
  border-radius: 8px;
  padding: 6px 12px;
  font-size: 13px;
  font-weight: 500;
  color: var(--en-text-muted);
  display: flex;
  align-items: center;
  gap: 6px;
  transition: all var(--en-transition);
}

.en-btn-icon svg { width: 15px; height: 15px; }

.en-btn-icon:hover {
  background: var(--en-border);
  color: var(--en-text);
}

.en-topbar-actions { display: flex; gap: 8px; align-items: center; }

.en-btn-finalize {
  background: linear-gradient(135deg, var(--en-primary), var(--en-primary-dark));
  color: #fff;
  border: none;
  padding: 7px 16px;
  border-radius: 8px;
  font-size: 13px;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 6px;
  transition: all var(--en-transition);
  box-shadow: 0 2px 8px rgba(91,94,244,.3);
}

.en-btn-finalize:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 14px rgba(91,94,244,.4);
}

.en-btn-finalize svg { width: 15px; height: 15px; }

/* History buttons */
.en-btn-hist {
  background: none;
  border: 1px solid var(--en-border);
  border-radius: 7px;
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--en-text-muted);
  transition: all var(--en-transition);
}

.en-btn-hist:hover:not(:disabled) {
  background: var(--en-surface2);
  color: var(--en-text);
}

.en-btn-hist:disabled {
  opacity: .35;
  cursor: default;
}

.en-btn-hist svg { width: 15px; height: 15px; }

/* Main Layout ──────────────────────────────────────────────────── */
.en-body {
  display: flex;
  flex: 1;
  overflow: hidden;
  min-height: 0;
}

/* Left Panel ───────────────────────────────────────────────────── */
.en-panel {
  width: 260px;
  flex-shrink: 0;
  background: var(--en-surface);
  border-right: 1px solid var(--en-border);
  overflow-y: auto;
  overflow-x: hidden;
  display: flex;
  flex-direction: column;
}

.en-panel::-webkit-scrollbar { width: 4px; }
.en-panel::-webkit-scrollbar-track { background: transparent; }
.en-panel::-webkit-scrollbar-thumb { background: var(--en-border); border-radius: 4px; }

.en-panel-section { border-bottom: 1px solid var(--en-border); }

.en-panel-section-header {
  padding: 12px 16px 10px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
  user-select: none;
}

.en-panel-section-title {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .07em;
  text-transform: uppercase;
  color: var(--en-text-muted);
  display: flex;
  align-items: center;
  gap: 6px;
}

.en-panel-section-title svg { width: 13px; height: 13px; }

.en-panel-section-arrow {
  width: 16px;
  height: 16px;
  color: var(--en-text-light);
  transition: transform var(--en-transition);
}

.en-panel-section.en-collapsed .en-panel-section-arrow {
  transform: rotate(-90deg);
}

.en-panel-section-body {
  padding: 0 16px 14px;
}

.en-panel-section.en-collapsed .en-panel-section-body {
  display: none;
}

/* Auto Enhance Button */
.en-btn-auto {
  width: 100%;
  background: linear-gradient(135deg, var(--en-primary), var(--en-accent));
  color: #fff;
  border: none;
  border-radius: 10px;
  padding: 11px 16px;
  font-size: 14px;
  font-weight: 600;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  transition: all var(--en-transition);
  box-shadow: 0 3px 12px rgba(91,94,244,.3);
  margin-bottom: 10px;
}

.en-btn-auto:hover {
  transform: translateY(-1px);
  box-shadow: 0 5px 18px rgba(91,94,244,.4);
}

.en-btn-auto svg { width: 16px; height: 16px; }

/* Presets */
.en-presets {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 6px;
  margin-bottom: 4px;
}

.en-preset-btn {
  background: var(--en-surface2);
  border: 1.5px solid var(--en-border);
  border-radius: 8px;
  padding: 8px 4px;
  font-size: 11px;
  font-weight: 600;
  color: var(--en-text-muted);
  text-align: center;
  transition: all var(--en-transition);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
}

.en-preset-btn svg { width: 16px; height: 16px; }

.en-preset-btn:hover,
.en-preset-btn.en-active {
  border-color: var(--en-primary);
  background: var(--en-primary-glow);
  color: var(--en-primary);
}

/* Sliders ──────────────────────────────────────────────────────── */
.en-control { margin-bottom: 14px; }
.en-control:last-child { margin-bottom: 0; }

.en-control-label {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 6px;
}

.en-control-label span:first-child {
  font-size: 13px;
  font-weight: 600;
  color: var(--en-text);
}

.en-control-value {
  font-size: 12px;
  font-weight: 600;
  color: var(--en-primary);
  background: var(--en-primary-glow);
  padding: 2px 7px;
  border-radius: 5px;
  min-width: 36px;
  text-align: center;
}

.en-slider {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 4px;
  border-radius: 4px;
  background: var(--en-border);
  outline: none;
  cursor: pointer;
  transition: background var(--en-transition);
}

.en-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--en-primary);
  cursor: pointer;
  box-shadow: 0 1px 4px rgba(91,94,244,.4);
  transition: transform var(--en-transition), box-shadow var(--en-transition);
  border: 2px solid #fff;
}

.en-slider::-webkit-slider-thumb:hover {
  transform: scale(1.2);
  box-shadow: 0 2px 8px rgba(91,94,244,.5);
}

.en-slider::-moz-range-thumb {
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--en-primary);
  cursor: pointer;
  border: 2px solid #fff;
  box-shadow: 0 1px 4px rgba(91,94,244,.4);
}

/* Upscale Buttons */
.en-upscale-btns {
  display: flex;
  gap: 6px;
}

.en-upscale-btn {
  flex: 1;
  background: var(--en-surface2);
  border: 1.5px solid var(--en-border);
  border-radius: 8px;
  padding: 8px 4px;
  font-size: 13px;
  font-weight: 700;
  color: var(--en-text-muted);
  text-align: center;
  transition: all var(--en-transition);
}

.en-upscale-btn:hover,
.en-upscale-btn.en-active {
  border-color: var(--en-primary);
  background: var(--en-primary-glow);
  color: var(--en-primary);
}

.en-upscale-note {
  font-size: 11px;
  color: var(--en-text-light);
  margin-top: 6px;
}

/* Reset button */
.en-btn-reset {
  width: 100%;
  background: none;
  border: 1px solid var(--en-border);
  border-radius: 8px;
  padding: 8px;
  font-size: 13px;
  font-weight: 500;
  color: var(--en-text-muted);
  transition: all var(--en-transition);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
}

.en-btn-reset:hover {
  background: var(--en-surface2);
  border-color: var(--en-danger);
  color: var(--en-danger);
}

.en-btn-reset svg { width: 14px; height: 14px; }

/* Canvas Area ──────────────────────────────────────────────────── */
.en-canvas-area {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  padding: 20px;
  background: var(--en-bg);
  position: relative;
}

/* No image state */
.en-no-image {
  text-align: center;
  color: var(--en-text-muted);
}

.en-no-image svg {
  width: 56px;
  height: 56px;
  opacity: .35;
  margin-bottom: 12px;
}

.en-no-image p { font-size: 14px; }

/* Slider wrapper */
.en-compare-wrapper {
  position: relative;
  display: inline-block;
  max-width: 100%;
  max-height: 100%;
  border-radius: var(--en-radius);
  overflow: hidden;
  box-shadow: var(--en-shadow-lg);
  user-select: none;
  touch-action: none;
}

.en-compare-wrapper canvas {
  display: block;
  max-width: 100%;
  max-height: calc(100vh - 160px);
  object-fit: contain;
}

#en-canvas-original { position: absolute; top: 0; left: 0; }
#en-canvas-enhanced { position: relative; z-index: 1; }

/* Clip the original to create the before/after effect */
#en-canvas-original {
  clip-path: inset(0 50% 0 0);
  z-index: 2;
}

/* Slider handle */
.en-slider-handle {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 50%;
  width: 2px;
  background: #fff;
  z-index: 10;
  cursor: ew-resize;
  transform: translateX(-50%);
  box-shadow: 0 0 0 1px rgba(0,0,0,.2);
}

.en-slider-knob {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: #fff;
  box-shadow: 0 2px 12px rgba(0,0,0,.25);
  transform: translate(-50%, -50%);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--en-primary);
}

.en-slider-knob svg { width: 18px; height: 18px; }

/* Labels */
.en-compare-label {
  position: absolute;
  top: 12px;
  padding: 4px 10px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .05em;
  text-transform: uppercase;
  border-radius: 6px;
  z-index: 5;
  pointer-events: none;
}

.en-label-before {
  left: 12px;
  background: rgba(0,0,0,.55);
  color: #fff;
}

.en-label-after {
  right: 12px;
  background: rgba(91,94,244,.85);
  color: #fff;
}

/* Processing overlay */
.en-processing-overlay {
  position: absolute;
  inset: 0;
  background: rgba(248,249,254,.85);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 20;
  border-radius: var(--en-radius);
  flex-direction: column;
  gap: 12px;
}

.en-processing-overlay.en-visible { display: flex; }

.en-spinner {
  width: 36px;
  height: 36px;
  border: 3px solid var(--en-border);
  border-top-color: var(--en-primary);
  border-radius: 50%;
  animation: en-spin .7s linear infinite;
}

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

.en-processing-overlay p {
  font-size: 14px;
  font-weight: 600;
  color: var(--en-text);
}

/* Histogram */
.en-histogram {
  background: var(--en-surface2);
  border-radius: 8px;
  height: 52px;
  overflow: hidden;
  position: relative;
}

#en-histogram-canvas {
  width: 100%;
  height: 52px;
  display: block;
}

/* Info bar at bottom of canvas area */
.en-canvas-info {
  position: absolute;
  bottom: 12px;
  left: 50%;
  transform: translateX(-50%);
  background: rgba(255,255,255,.92);
  backdrop-filter: blur(8px);
  border: 1px solid var(--en-border);
  border-radius: 999px;
  padding: 5px 14px;
  font-size: 12px;
  color: var(--en-text-muted);
  display: flex;
  gap: 14px;
  box-shadow: var(--en-shadow-sm);
}

.en-canvas-info span { display: flex; align-items: center; gap: 4px; }
.en-canvas-info strong { color: var(--en-text); font-weight: 600; }

/* ── Mobile Bottom Sheet ────────────────────────────────────────── */
@media (max-width: 768px) {

  html.en-ws-html, body.en-ws-body { overflow: hidden; }

  .enhance-workspace { height: 100dvh; }

  .en-panel { display: none; } /* hide left panel on mobile */

  .en-body { flex-direction: column; }

  .en-canvas-area {
    flex: 1;
    padding: 12px 12px 0;
  }

  .en-compare-wrapper canvas {
    max-height: calc(100dvh - 240px);
  }

  /* Bottom Sheet */
  .en-mobile-sheet {
    display: flex;
    flex-direction: column;
    background: var(--en-surface);
    border-top: 1px solid var(--en-border);
    box-shadow: 0 -4px 20px rgba(30,31,59,.08);
    z-index: 50;
    height: 160px;
    flex-shrink: 0;
  }

  .en-mobile-tabs {
    display: flex;
    overflow-x: auto;
    border-bottom: 1px solid var(--en-border);
    padding: 0 8px;
    scrollbar-width: none;
  }

  .en-mobile-tabs::-webkit-scrollbar { display: none; }

  .en-mobile-tab {
    background: none;
    border: none;
    padding: 8px 14px;
    font-size: 12px;
    font-weight: 600;
    color: var(--en-text-muted);
    white-space: nowrap;
    border-bottom: 2px solid transparent;
    transition: all var(--en-transition);
    flex-shrink: 0;
  }

  .en-mobile-tab.en-active {
    color: var(--en-primary);
    border-bottom-color: var(--en-primary);
  }

  .en-mobile-sheet-body {
    flex: 1;
    overflow-x: auto;
    overflow-y: hidden;
    padding: 10px 16px;
    display: flex;
    align-items: center;
    gap: 16px;
    scrollbar-width: none;
  }

  .en-mobile-sheet-body::-webkit-scrollbar { display: none; }

  .en-mobile-control {
    min-width: 140px;
    display: flex;
    flex-direction: column;
    gap: 6px;
  }

  .en-mobile-control label {
    font-size: 11px;
    font-weight: 600;
    color: var(--en-text-muted);
    display: flex;
    justify-content: space-between;
  }

  .en-mobile-control label span {
    color: var(--en-primary);
    font-weight: 700;
  }

  .en-mobile-sticky {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 10px 16px;
    background: var(--en-surface);
    border-top: 1px solid var(--en-border);
    z-index: 200;
  }

  .en-topbar-brand-text { display: none; }

}

@media (min-width: 769px) {
  .en-mobile-sheet { display: none; }
}

/* ═══════════════════════════════════════════════════════════════════
   PAGE 3 - DOWNLOAD
   ═══════════════════════════════════════════════════════════════════ */

.enhance-download {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  color: var(--en-text);
}

.en-dl-hero {
  background: linear-gradient(135deg, #f0f1fb, #e8f4fd);
  padding: 48px 20px 32px;
  text-align: center;
  border-bottom: 1px solid var(--en-border);
}

.en-dl-success {
  width: 56px;
  height: 56px;
  background: #dcfce7;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px;
  color: var(--en-success);
}

.en-dl-success svg { width: 28px; height: 28px; }

.en-dl-hero h1 {
  font-size: clamp(22px, 4vw, 34px);
  font-weight: 800;
  letter-spacing: -.02em;
  margin-bottom: 8px;
}

.en-dl-hero p {
  font-size: 15px;
  color: var(--en-text-muted);
}

.en-dl-content {
  max-width: 820px;
  margin: 0 auto;
  padding: 32px 20px 64px;
}

.en-dl-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin-bottom: 32px;
}

@media (max-width: 640px) { .en-dl-grid { grid-template-columns: 1fr; } }

.en-dl-preview-card {
  background: var(--en-surface);
  border: 1px solid var(--en-border);
  border-radius: var(--en-radius-lg);
  overflow: hidden;
  box-shadow: var(--en-shadow);
}

.en-dl-preview-img {
  width: 100%;
  height: 220px;
  object-fit: cover;
  display: block;
}

.en-dl-preview-img canvas {
  width: 100%;
  height: 220px;
  object-fit: cover;
}

.en-dl-preview-footer {
  padding: 12px 16px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.en-dl-preview-label {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .04em;
  text-transform: uppercase;
  color: var(--en-text-muted);
}

.en-dl-badge {
  font-size: 11px;
  font-weight: 700;
  padding: 3px 8px;
  border-radius: 5px;
  letter-spacing: .03em;
}

.en-dl-badge.en-badge-original {
  background: #f1f5f9;
  color: #64748b;
}

.en-dl-badge.en-badge-enhanced {
  background: var(--en-primary-glow);
  color: var(--en-primary);
}

.en-dl-actions {
  background: var(--en-surface);
  border: 1px solid var(--en-border);
  border-radius: var(--en-radius-lg);
  padding: 24px;
  box-shadow: var(--en-shadow);
  margin-bottom: 24px;
}

.en-dl-actions h3 {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 16px;
  color: var(--en-text);
}

.en-dl-btn-row {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.en-dl-btn {
  flex: 1;
  min-width: 120px;
  background: var(--en-surface2);
  border: 1.5px solid var(--en-border);
  border-radius: 10px;
  padding: 12px 16px;
  font-size: 14px;
  font-weight: 600;
  color: var(--en-text);
  text-align: center;
  cursor: pointer;
  transition: all var(--en-transition);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
}

.en-dl-btn svg { width: 22px; height: 22px; }

.en-dl-btn:hover {
  border-color: var(--en-primary);
  background: var(--en-primary-glow);
  color: var(--en-primary);
  transform: translateY(-2px);
  box-shadow: var(--en-shadow);
}

.en-dl-btn-primary {
  background: linear-gradient(135deg, var(--en-primary), var(--en-primary-dark));
  border-color: transparent;
  color: #fff;
  box-shadow: 0 3px 12px rgba(91,94,244,.3);
}

.en-dl-btn-primary:hover {
  background: linear-gradient(135deg, var(--en-primary-dark), #3436b4);
  border-color: transparent;
  color: #fff;
  box-shadow: 0 5px 18px rgba(91,94,244,.45);
}

.en-dl-btn span {
  font-size: 10px;
  font-weight: 500;
  opacity: .7;
  text-transform: uppercase;
  letter-spacing: .05em;
}

.en-dl-btn-primary span { opacity: .85; }

.en-dl-restart {
  text-align: center;
  padding-top: 8px;
}

.en-dl-restart a {
  font-size: 14px;
  color: var(--en-primary);
  text-decoration: none;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.en-dl-restart a:hover { text-decoration: underline; }

/* Stats bar */
.en-dl-stats {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  background: var(--en-surface);
  border: 1px solid var(--en-border);
  border-radius: var(--en-radius);
  padding: 16px 20px;
  box-shadow: var(--en-shadow-sm);
  margin-bottom: 24px;
}

.en-dl-stat {
  flex: 1;
  min-width: 100px;
  text-align: center;
}

.en-dl-stat-val {
  font-size: 20px;
  font-weight: 800;
  color: var(--en-primary);
  display: block;
}

.en-dl-stat-lbl {
  font-size: 11px;
  color: var(--en-text-muted);
  text-transform: uppercase;
  letter-spacing: .05em;
  font-weight: 600;
}