/* style.css — Refined dark UI */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=JetBrains+Mono:wght@400;500;600&display=swap');

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --bg-primary: #0a0a0f;
  --bg-secondary: #111118;
  --bg-tertiary: #181820;
  --bg-hover: #1e1e2a;
  --bg-elevated: #1a1a26;
  --border: rgba(255, 255, 255, 0.06);
  --border-subtle: rgba(255, 255, 255, 0.04);
  --border-accent: rgba(255, 255, 255, 0.12);
  --text-primary: #ededef;
  --text-secondary: #8a8f98;
  --text-dim: #5a5f6b;
  --accent: #7C3AED;
  --accent-secondary: #0891B2;
  --accent-soft: rgba(124, 58, 237, 0.12);
  --accent-glow: rgba(124, 58, 237, 0.08);
  --active: #a78bfa;
  --inactive: #33333e;
  --green-soft: rgba(34, 197, 94, 0.12);
  --green-text: #4ade80;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 20px;
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.4);
  --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.35);
  --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.5);
  --shadow-glow: 0 0 24px var(--accent-glow);
  --transition-fast: 0.15s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-med: 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-slow: 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

body {
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  font-size: 13px;
  line-height: 1.6;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* --- Header --- */

header {
  padding: 14px 32px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(10, 10, 15, 0.85);
  backdrop-filter: blur(20px) saturate(1.4);
  -webkit-backdrop-filter: blur(20px) saturate(1.4);
  position: sticky;
  top: 0;
  z-index: 50;
}

header h1 {
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 5px;
  text-transform: uppercase;
  color: var(--text-primary);
  background: linear-gradient(135deg, #a78bfa 0%, var(--accent-secondary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.header-actions {
  display: flex;
  gap: 6px;
  align-items: center;
}

.header-actions button {
  padding: 7px 18px;
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
  color: var(--text-secondary);
  font-family: inherit;
  font-size: 12px;
  font-weight: 500;
  cursor: pointer;
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
  letter-spacing: 0.3px;
}

.header-actions button:hover {
  background: var(--bg-hover);
  color: var(--text-primary);
  border-color: var(--border-accent);
  transform: translateY(-1px);
  box-shadow: var(--shadow-sm);
}

.header-actions button:active {
  transform: translateY(0);
}

/* --- Mode Toggle --- */

.mode-toggle {
  display: flex;
  gap: 0;
  margin-right: 10px;
  background: var(--bg-primary);
  border-radius: var(--radius-md);
  padding: 3px;
  border: 1px solid var(--border);
}

.mode-btn {
  padding: 6px 16px;
  background: transparent;
  border: none;
  color: var(--text-dim);
  font-family: inherit;
  font-size: 12px;
  font-weight: 500;
  cursor: pointer;
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
  letter-spacing: 0.3px;
}

.mode-btn.active {
  background: linear-gradient(135deg, rgba(124, 58, 237, 0.15) 0%, rgba(8, 145, 178, 0.1) 100%);
  color: var(--active);
  box-shadow: 0 0 12px var(--accent-glow);
}

.mode-btn:hover:not(.active) {
  color: var(--text-secondary);
  background: rgba(255, 255, 255, 0.03);
}

/* --- API Key Button (header) --- */

.api-key-btn {
  padding: 6px 14px;
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  font-family: "Inter", sans-serif;
  font-size: 11px;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-fast);
  letter-spacing: 0.3px;
  margin-right: 10px;
}

.api-key-btn:hover {
  border-color: var(--accent);
  color: var(--text-primary);
}

.api-key-btn.has-key {
  border-color: var(--green-text);
  color: var(--green-text);
  background: var(--green-soft);
}

/* --- API Key Modal --- */

.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.65);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 200;
  animation: modalFadeIn 0.15s ease-out;
}

@keyframes modalFadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

.modal-dialog {
  background: var(--bg-secondary);
  border: 1px solid var(--border-accent);
  border-radius: var(--radius-lg);
  padding: 24px;
  width: 400px;
  max-width: 90vw;
  box-shadow: var(--shadow-lg);
  animation: modalSlideIn 0.2s ease-out;
}

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

.modal-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 18px;
}

.modal-body {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.modal-provider-row {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.modal-provider-label {
  color: var(--text-dim);
  font-size: 11px;
  letter-spacing: 0.4px;
  text-transform: uppercase;
}

.modal-provider-toggle {
  display: grid;
  grid-template-columns: 1fr 1fr;
  background: var(--bg-primary);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 3px;
  gap: 3px;
}

.modal-provider-submodels {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-top: 4px;
  margin-left: 14px;
  padding-left: 10px;
  border-left: 2px solid var(--border);
}

.modal-provider-submodels.hidden {
  display: none;
}

.modal-provider-sublabel {
  color: var(--text-dim);
  font-size: 10px;
  letter-spacing: 0.4px;
  text-transform: uppercase;
}

.modal-provider-btn {
  padding: 7px 10px;
  background: transparent;
  border: 1px solid transparent;
  border-radius: 6px;
  color: var(--text-secondary);
  font-size: 12px;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-fast);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  min-width: 0;
}

.modal-provider-btn:hover {
  color: var(--text-primary);
}

.modal-provider-btn.active {
  background: linear-gradient(135deg, var(--accent-soft), rgba(8, 145, 178, 0.14));
  border-color: rgba(124, 58, 237, 0.35);
  color: var(--active);
  box-shadow: 0 0 12px var(--accent-glow);
}

.modal-input-group {
  display: flex;
  align-items: center;
  background: var(--bg-primary);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  overflow: hidden;
  transition: border-color var(--transition-fast);
}

.modal-input-group:focus-within {
  border-color: var(--accent);
  box-shadow: 0 0 0 2px var(--accent-glow);
}

.modal-input {
  flex: 1;
  padding: 10px 14px;
  background: transparent;
  border: none;
  color: var(--text-primary);
  font-family: "JetBrains Mono", "SF Mono", monospace;
  font-size: 12px;
  outline: none;
  letter-spacing: 0.5px;
}

.modal-input::placeholder {
  color: var(--text-dim);
  font-family: "Inter", sans-serif;
  letter-spacing: 0.3px;
}

.modal-input-toggle {
  padding: 8px 10px;
  background: transparent;
  border: none;
  border-left: 1px solid var(--border);
  color: var(--text-dim);
  cursor: pointer;
  font-size: 13px;
  transition: color var(--transition-fast);
  line-height: 1;
}

.modal-input-toggle:hover {
  color: var(--text-secondary);
}

.modal-checkbox-label {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--text-secondary);
  font-size: 12px;
  cursor: pointer;
  user-select: none;
}

.modal-checkbox-label input[type="checkbox"] {
  width: 15px;
  height: 15px;
  accent-color: var(--accent);
  cursor: pointer;
  flex-shrink: 0;
}

.modal-path-row {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  background: var(--bg-primary);
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-subtle);
  font-size: 11px;
}

.modal-path-label {
  color: var(--text-dim);
  white-space: nowrap;
}

.modal-path-value {
  color: var(--text-secondary);
  flex: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-family: "JetBrains Mono", "SF Mono", monospace;
  font-size: 10px;
}

.modal-path-btn {
  padding: 3px 10px;
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  font-size: 10px;
  cursor: pointer;
  transition: all var(--transition-fast);
  white-space: nowrap;
}

.modal-path-btn:hover {
  border-color: var(--accent);
  color: var(--text-primary);
}

.modal-load-btn {
  padding: 8px 14px;
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  font-size: 12px;
  cursor: pointer;
  transition: all var(--transition-fast);
  text-align: center;
}

.modal-load-btn:hover {
  border-color: var(--accent);
  color: var(--text-primary);
}

.modal-footer {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  margin-top: 20px;
}

.modal-btn {
  padding: 8px 20px;
  border-radius: var(--radius-sm);
  font-size: 12px;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-fast);
  border: 1px solid transparent;
}

.modal-btn-secondary {
  background: transparent;
  border-color: var(--border);
  color: var(--text-secondary);
}

.modal-btn-secondary:hover {
  border-color: var(--text-dim);
  color: var(--text-primary);
}

.modal-btn-primary {
  background: linear-gradient(135deg, var(--accent), rgba(8, 145, 178, 0.9));
  color: #fff;
  border-color: var(--accent);
}

.modal-btn-primary:hover {
  background: linear-gradient(135deg, var(--active), var(--accent-secondary));
  border-color: var(--active);
  box-shadow: 0 0 16px var(--accent-glow);
}

/* --- AI Recolor Button --- */

.ai-recolor-btn {
  width: 42px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, rgba(124, 58, 237, 0.18) 0%, rgba(8, 145, 178, 0.15) 100%);
  border: 1px solid rgba(124, 58, 237, 0.3);
  color: var(--active);
  font-size: 12px;
  font-weight: 700;
  font-family: inherit;
  cursor: pointer;
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
  flex-shrink: 0;
  padding: 0;
  letter-spacing: 1px;
  margin-left: auto;
}

.ai-recolor-btn:hover {
  background: linear-gradient(135deg, rgba(124, 58, 237, 0.3) 0%, rgba(8, 145, 178, 0.25) 100%);
  border-color: rgba(124, 58, 237, 0.5);
  transform: translateY(-1px);
  box-shadow: 0 0 20px rgba(124, 58, 237, 0.15);
}

.ai-recolor-btn:active {
  transform: translateY(0);
}

.ai-recolor-btn.loading {
  pointer-events: none;
  opacity: 0.6;
  animation: ai-pulse 1.5s ease-in-out infinite;
}

@keyframes ai-pulse {
  0%, 100% { opacity: 0.6; }
  50% { opacity: 1; }
}

/* --- AI Compare Slider --- */

.recolor-adjusted-wrap {
  position: relative;
}

.ai-compare-container {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  overflow: hidden;
  cursor: ew-resize;
  user-select: none;
  -webkit-user-select: none;
}

.ai-compare-container canvas {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  max-width: calc(100% - 20px);
  max-height: 50vh;
  display: block;
  border-radius: 4px;
  clip-path: inset(0 0 0 50%);
}

.ai-compare-divider {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 50%;
  width: 3px;
  background: rgba(255, 255, 255, 0.7);
  transform: translateX(-50%);
  z-index: 10;
  pointer-events: none;
  box-shadow: 0 0 8px rgba(0, 0, 0, 0.5);
}

.ai-compare-handle {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--bg-tertiary);
  border: 2px solid rgba(255, 255, 255, 0.7);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 2px;
  box-shadow: var(--shadow-md);
  pointer-events: none;
}

.ai-compare-arrow {
  color: rgba(255, 255, 255, 0.8);
  font-size: 14px;
  font-weight: 700;
  line-height: 1;
}

.ai-compare-label {
  position: absolute;
  bottom: 16px;
  padding: 4px 10px;
  background: rgba(0, 0, 0, 0.65);
  color: var(--text-secondary);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
  border-radius: var(--radius-sm);
  pointer-events: none;
  z-index: 11;
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
}

.ai-compare-label-left {
  left: 16px;
}

.ai-compare-label-right {
  right: 16px;
}

/* --- Landing Dual Entry --- */

.landing {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 24px;
  margin: 32px;
  min-height: 440px;
}

@media (max-width: 1180px) {
  .landing {
    grid-template-columns: 1fr;
    max-width: 640px;
    margin: 32px auto;
  }
}

.drop-zone-card {
  padding: 52px 36px 40px;
  border: 1.5px dashed rgba(255, 255, 255, 0.07);
  text-align: center;
  cursor: pointer;
  transition: all var(--transition-med);
  border-radius: var(--radius-xl);
  background: linear-gradient(145deg, var(--bg-secondary) 0%, var(--bg-primary) 100%);
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.drop-zone-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 50% 0%, rgba(124, 58, 237, 0.08) 0%, transparent 70%);
  opacity: 0;
  transition: opacity var(--transition-slow);
  pointer-events: none;
}

.drop-zone-card::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: var(--radius-xl);
  background: radial-gradient(circle at 30% 80%, rgba(8, 145, 178, 0.04) 0%, transparent 50%);
  pointer-events: none;
}

.drop-zone-card:hover::before,
.drop-zone-card.drag-over::before {
  opacity: 1;
}

.drop-zone-card:hover,
.drop-zone-card.drag-over {
  border-color: rgba(124, 58, 237, 0.3);
  background: linear-gradient(145deg, var(--bg-elevated) 0%, var(--bg-secondary) 100%);
  box-shadow: 0 0 60px rgba(124, 58, 237, 0.08), 0 8px 32px rgba(0, 0, 0, 0.3), inset 0 1px 0 rgba(255,255,255,0.04);
  transform: translateY(-2px);
}

.drop-card-header {
  position: relative;
  margin-bottom: 16px;
}

.drop-card-icon {
  font-size: 36px;
  display: block;
  margin-bottom: 12px;
}

.drop-card-title {
  font-size: 21px;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -0.5px;
  margin: 0;
}

.drop-card-desc {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.8;
  margin: 0 0 24px 0;
  max-width: 380px;
  position: relative;
}

.drop-card-features {
  display: flex;
  gap: 10px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 28px;
  position: relative;
}

.drop-card-features span {
  font-size: 11px;
  color: var(--text-dim);
  padding: 6px 14px;
  background: rgba(124, 58, 237, 0.04);
  border: 1px solid rgba(124, 58, 237, 0.08);
  border-radius: 20px;
  letter-spacing: 0.3px;
  font-weight: 500;
  transition: all var(--transition-fast);
}

.drop-zone-card:hover .drop-card-features span {
  border-color: rgba(124, 58, 237, 0.15);
  color: var(--text-secondary);
}

.drop-card-action {
  position: relative;
}

.drop-card-action p {
  color: var(--text-secondary);
  font-size: 14px;
  font-weight: 400;
}

.drop-hint {
  color: var(--text-dim);
  font-size: 11px;
  margin-top: 10px;
  letter-spacing: 0.5px;
}

#file-input,
#file-input-recolor,
#file-input-transfer-target,
#file-input-transfer-ref {
  display: none;
}

.hidden {
  display: none !important;
}

/* --- Processing Overlay --- */

#processing-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 100;
  color: var(--text-secondary);
  font-size: 15px;
  font-weight: 500;
  letter-spacing: 3px;
}

.pixel-loader {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
}

/* --- Pixel Coffee Cup (3px grid, 15×16 pixels) --- */

.pixel-coffee-scene {
  position: relative;
  width: 48px;
  height: 76px;
  margin-bottom: 4px;
}

/* Steam wisps — 3 animated columns rising from cup */
.pixel-steam {
  position: absolute;
  top: 0;
  left: 6px;
  width: 36px;
  height: 20px;
}

.pixel-steam span {
  position: absolute;
  bottom: 0;
  width: 3px;
  height: 3px;
  background: transparent;
  animation: steam-rise 2.4s ease-out infinite;
}

.pixel-steam span:nth-child(1) {
  left: 4px;
  box-shadow:
    0 0 0 0 rgba(255, 255, 255, 0.5),
    -3px -3px 0 0 rgba(255, 255, 255, 0.4),
    0 -6px 0 0 rgba(255, 255, 255, 0.3),
    3px -9px 0 0 rgba(255, 255, 255, 0.2),
    0 -12px 0 0 rgba(255, 255, 255, 0.1);
  animation-delay: 0s;
}

.pixel-steam span:nth-child(2) {
  left: 15px;
  box-shadow:
    0 0 0 0 rgba(255, 255, 255, 0.5),
    3px -3px 0 0 rgba(255, 255, 255, 0.4),
    0 -6px 0 0 rgba(255, 255, 255, 0.3),
    -3px -9px 0 0 rgba(255, 255, 255, 0.2),
    0 -12px 0 0 rgba(255, 255, 255, 0.1);
  animation-delay: 0.8s;
}

.pixel-steam span:nth-child(3) {
  left: 26px;
  box-shadow:
    0 0 0 0 rgba(255, 255, 255, 0.5),
    -3px -3px 0 0 rgba(255, 255, 255, 0.4),
    0 -6px 0 0 rgba(255, 255, 255, 0.3),
    3px -9px 0 0 rgba(255, 255, 255, 0.2),
    0 -12px 0 0 rgba(255, 255, 255, 0.1);
  animation-delay: 1.6s;
}

@keyframes steam-rise {
  0% {
    transform: translateY(0);
    opacity: 0;
  }
  15% {
    opacity: 1;
  }
  60% {
    opacity: 0.5;
  }
  100% {
    transform: translateY(-16px);
    opacity: 0;
  }
}

/* Coffee cup — 3px pixel grid, all colors inline */
.pixel-cup {
  position: absolute;
  top: 22px;
  left: 0;
  width: 3px;
  height: 3px;
  background: transparent;
  box-shadow:
    /* ── Row 0 (y=0): Rim top — cols 3‑11 ── */
    9px 0 0 0 #d4c4a8,  12px 0 0 0 #d4c4a8,  15px 0 0 0 #d4c4a8,
    18px 0 0 0 #d4c4a8,  21px 0 0 0 #d4c4a8,  24px 0 0 0 #d4c4a8,
    27px 0 0 0 #d4c4a8,  30px 0 0 0 #d4c4a8,  33px 0 0 0 #d4c4a8,
    /* ── Row 1 (y=3): Rim wider — cols 2‑12 ── */
    6px 3px 0 0 #d4c4a8,  9px 3px 0 0 #d4c4a8,  12px 3px 0 0 #d4c4a8,
    15px 3px 0 0 #d4c4a8,  18px 3px 0 0 #d4c4a8,  21px 3px 0 0 #d4c4a8,
    24px 3px 0 0 #d4c4a8,  27px 3px 0 0 #d4c4a8,  30px 3px 0 0 #d4c4a8,
    33px 3px 0 0 #d4c4a8,  36px 3px 0 0 #d4c4a8,
    /* ── Row 2 (y=6): Rim inner — cols 2,12 outer + 3‑11 inner ── */
    6px 6px 0 0 #d4c4a8,  36px 6px 0 0 #d4c4a8,
    9px 6px 0 0 #c4b494,  12px 6px 0 0 #c4b494,  15px 6px 0 0 #c4b494,
    18px 6px 0 0 #c4b494,  21px 6px 0 0 #c4b494,  24px 6px 0 0 #c4b494,
    27px 6px 0 0 #c4b494,  30px 6px 0 0 #c4b494,  33px 6px 0 0 #c4b494,
    /* ── Row 3 (y=9): Coffee surface — cup edges + coffee ── */
    6px 9px 0 0 #f0e6d3,  36px 9px 0 0 #f0e6d3,
    9px 9px 0 0 #4a2c17,  12px 9px 0 0 #4a2c17,  15px 9px 0 0 #4a2c17,
    18px 9px 0 0 #4a2c17,  21px 9px 0 0 #4a2c17,  24px 9px 0 0 #4a2c17,
    27px 9px 0 0 #4a2c17,  30px 9px 0 0 #4a2c17,  33px 9px 0 0 #4a2c17,
    /* ── Row 4 (y=12): Coffee highlights — alternating ── */
    6px 12px 0 0 #f0e6d3,  36px 12px 0 0 #f0e6d3,
    9px 12px 0 0 #4a2c17,  15px 12px 0 0 #4a2c17,
    21px 12px 0 0 #4a2c17,  27px 12px 0 0 #4a2c17,  33px 12px 0 0 #4a2c17,
    12px 12px 0 0 #6b3d22,  18px 12px 0 0 #6b3d22,
    24px 12px 0 0 #6b3d22,  30px 12px 0 0 #6b3d22,
    /* ── Row 5 (y=15): Coffee deep — darker ── */
    6px 15px 0 0 #f0e6d3,  36px 15px 0 0 #f0e6d3,
    9px 15px 0 0 #3e2211,  12px 15px 0 0 #3e2211,  15px 15px 0 0 #3e2211,
    18px 15px 0 0 #3e2211,  21px 15px 0 0 #3e2211,  24px 15px 0 0 #3e2211,
    27px 15px 0 0 #3e2211,  30px 15px 0 0 #3e2211,  33px 15px 0 0 #3e2211,
    /* ── Row 6 (y=18): Cup body top + handle ── */
    6px 18px 0 0 #f0e6d3,  9px 18px 0 0 #f0e6d3,  12px 18px 0 0 #f0e6d3,
    15px 18px 0 0 #f0e6d3,  18px 18px 0 0 #f0e6d3,  21px 18px 0 0 #f0e6d3,
    24px 18px 0 0 #f0e6d3,  27px 18px 0 0 #f0e6d3,  30px 18px 0 0 #f0e6d3,
    33px 18px 0 0 #f0e6d3,  36px 18px 0 0 #f0e6d3,
    39px 18px 0 0 #d4c4a8,  42px 18px 0 0 #d4c4a8,
    /* ── Row 7 (y=21): Cup body + handle outer ── */
    6px 21px 0 0 #f0e6d3,  9px 21px 0 0 #f0e6d3,
    33px 21px 0 0 #f0e6d3,  36px 21px 0 0 #f0e6d3,
    12px 21px 0 0 #e6dac4,  15px 21px 0 0 #e6dac4,  18px 21px 0 0 #e6dac4,
    21px 21px 0 0 #e6dac4,  24px 21px 0 0 #e6dac4,  27px 21px 0 0 #e6dac4,
    30px 21px 0 0 #e6dac4,
    45px 21px 0 0 #d4c4a8,
    /* ── Row 8 (y=24): Cup body + handle ── */
    6px 24px 0 0 #ede1cd,  9px 24px 0 0 #ede1cd,
    33px 24px 0 0 #ede1cd,  36px 24px 0 0 #ede1cd,
    12px 24px 0 0 #e0d4be,  15px 24px 0 0 #e0d4be,  18px 24px 0 0 #e0d4be,
    21px 24px 0 0 #e0d4be,  24px 24px 0 0 #e0d4be,  27px 24px 0 0 #e0d4be,
    30px 24px 0 0 #e0d4be,
    45px 24px 0 0 #d4c4a8,
    /* ── Row 9 (y=27): Cup body + handle ── */
    6px 27px 0 0 #e8dcc6,  9px 27px 0 0 #e8dcc6,
    33px 27px 0 0 #e8dcc6,  36px 27px 0 0 #e8dcc6,
    12px 27px 0 0 #daced6,  15px 27px 0 0 #daced6,  18px 27px 0 0 #daced6,
    21px 27px 0 0 #daced6,  24px 27px 0 0 #daced6,  27px 27px 0 0 #daced6,
    30px 27px 0 0 #daced6,
    45px 27px 0 0 #d4c4a8,
    /* ── Row 10 (y=30): Cup body bottom + handle ── */
    6px 30px 0 0 #e4d8c0,  9px 30px 0 0 #e4d8c0,  12px 30px 0 0 #e4d8c0,
    15px 30px 0 0 #e4d8c0,  18px 30px 0 0 #e4d8c0,  21px 30px 0 0 #e4d8c0,
    24px 30px 0 0 #e4d8c0,  27px 30px 0 0 #e4d8c0,  30px 30px 0 0 #e4d8c0,
    33px 30px 0 0 #e4d8c0,  36px 30px 0 0 #e4d8c0,
    39px 30px 0 0 #d4c4a8,  42px 30px 0 0 #d4c4a8,
    /* ── Row 11 (y=33): Cup narrowing ── */
    9px 33px 0 0 #e0d4be,  12px 33px 0 0 #e0d4be,
    30px 33px 0 0 #e0d4be,  33px 33px 0 0 #e0d4be,
    15px 33px 0 0 #d8ccb4,  18px 33px 0 0 #d8ccb4,
    21px 33px 0 0 #d8ccb4,  24px 33px 0 0 #d8ccb4,  27px 33px 0 0 #d8ccb4,
    /* ── Row 12 (y=36): Cup base ── */
    12px 36px 0 0 #d8ccb4,  15px 36px 0 0 #d8ccb4,  18px 36px 0 0 #d8ccb4,
    21px 36px 0 0 #d8ccb4,  24px 36px 0 0 #d8ccb4,  27px 36px 0 0 #d8ccb4,
    30px 36px 0 0 #d8ccb4,
    /* ── Row 13 (y=39): Saucer top ── */
    3px 39px 0 0 #d4c4a8,  6px 39px 0 0 #d4c4a8,  9px 39px 0 0 #d4c4a8,
    12px 39px 0 0 #d4c4a8,  15px 39px 0 0 #d4c4a8,  18px 39px 0 0 #d4c4a8,
    21px 39px 0 0 #d4c4a8,  24px 39px 0 0 #d4c4a8,  27px 39px 0 0 #d4c4a8,
    30px 39px 0 0 #d4c4a8,  33px 39px 0 0 #d4c4a8,  36px 39px 0 0 #d4c4a8,
    39px 39px 0 0 #d4c4a8,
    /* ── Row 14 (y=42): Saucer wide — outer + inner shade ── */
    0 42px 0 0 #d4c4a8,  3px 42px 0 0 #d4c4a8,
    39px 42px 0 0 #d4c4a8,  42px 42px 0 0 #d4c4a8,
    6px 42px 0 0 #c4b494,  9px 42px 0 0 #c4b494,  12px 42px 0 0 #c4b494,
    15px 42px 0 0 #c4b494,  18px 42px 0 0 #c4b494,  21px 42px 0 0 #c4b494,
    24px 42px 0 0 #c4b494,  27px 42px 0 0 #c4b494,  30px 42px 0 0 #c4b494,
    33px 42px 0 0 #c4b494,  36px 42px 0 0 #c4b494,
    /* ── Row 15 (y=45): Saucer bottom ── */
    3px 45px 0 0 #d4c4a8,  6px 45px 0 0 #d4c4a8,  9px 45px 0 0 #d4c4a8,
    12px 45px 0 0 #d4c4a8,  15px 45px 0 0 #d4c4a8,  18px 45px 0 0 #d4c4a8,
    21px 45px 0 0 #d4c4a8,  24px 45px 0 0 #d4c4a8,  27px 45px 0 0 #d4c4a8,
    30px 45px 0 0 #d4c4a8,  33px 45px 0 0 #d4c4a8,  36px 45px 0 0 #d4c4a8,
    39px 45px 0 0 #d4c4a8;
}

.pixel-cup-shadow {
  position: absolute;
  top: 72px;
  left: 50%;
  width: 46px;
  height: 3px;
  margin-left: -23px;
  background: rgba(255, 255, 255, 0.06);
  border-radius: 50%;
}

/* --- Pixel Dots --- */

.pixel-dots {
  display: flex;
  gap: 8px;
}

.pixel-dots span {
  display: block;
  width: 6px;
  height: 6px;
  background: var(--text-secondary);
  animation: pixel-dot-jump 1.2s ease-in-out infinite;
}

.pixel-dots span:nth-child(2) { animation-delay: 0.15s; }
.pixel-dots span:nth-child(3) { animation-delay: 0.3s; }

@keyframes pixel-dot-jump {
  0%, 60%, 100% { transform: translateY(0); opacity: 0.3; }
  30% { transform: translateY(-8px); opacity: 1; }
}

/* --- Processing Text --- */

.processing-text {
  font-size: 13px;
  color: var(--text-secondary);
  letter-spacing: 2px;
}

/* --- Workspace --- */

.workspace {
  padding: 20px 28px 40px;
  max-width: 1600px;
  margin: 0 auto;
}

/* --- Image Panels --- */

.image-panels {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 24px;
}

.image-panel {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: border-color var(--transition-fast);
}

.image-panel.drag-over {
  border-color: var(--accent);
  box-shadow: var(--shadow-glow);
}

.image-panel h2 {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--text-dim);
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
  background: linear-gradient(180deg, rgba(255,255,255,0.015) 0%, transparent 100%);
}

.canvas-wrap {
  padding: 12px;
  display: flex;
  justify-content: center;
  align-items: center;
  background: #060609;
  min-height: 200px;
}

.canvas-wrap canvas {
  max-width: 100%;
  max-height: 50vh;
  display: block;
  border-radius: 4px;
}

/* --- Histograms --- */

.histogram-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--border);
  border-top: 1px solid var(--border);
}

.histogram-cell {
  background: var(--bg-secondary);
  padding: 6px;
}

.histogram-cell canvas {
  width: 100%;
  height: 48px;
  display: block;
}

.histogram-cell span {
  display: block;
  font-size: 9px;
  font-family: "JetBrains Mono", "SF Mono", monospace;
  color: var(--text-dim);
  text-align: center;
  margin-top: 3px;
  text-transform: uppercase;
  letter-spacing: 1.5px;
}

/* --- Diagnosis --- */

.diagnosis-panels {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 16px;
}

.diag-column-title {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--text-dim);
  padding: 10px 0;
}

.section-title {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 2.5px;
  text-transform: uppercase;
  color: var(--text-secondary);
  padding: 20px 0 12px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 14px;
  position: relative;
}

.section-title::after {
  content: "";
  position: absolute;
  bottom: -1px;
  left: 0;
  width: 40px;
  height: 2px;
  background: linear-gradient(90deg, var(--accent), var(--accent-secondary));
  border-radius: 1px;
  opacity: 0.7;
}

.diag-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
  margin-bottom: 12px;
}

.diag-item {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  padding: 12px 14px;
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}

.diag-item:hover {
  border-color: rgba(124, 58, 237, 0.15);
  background: var(--bg-elevated);
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.2);
}

.diag-label {
  display: block;
  font-size: 10px;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 6px;
  font-weight: 500;
}

.diag-value {
  display: block;
  font-size: 18px;
  font-weight: 700;
  font-family: "JetBrains Mono", "SF Mono", monospace;
  color: var(--text-primary);
  margin-bottom: 6px;
  letter-spacing: -0.5px;
}

.diag-bar {
  height: 3px;
  background: rgba(255, 255, 255, 0.04);
  border-radius: 2px;
  overflow: hidden;
}

.diag-bar-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--accent) 0%, var(--accent-secondary) 100%);
  border-radius: 2px;
  transition: width 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

.diag-bar-center {
  height: 3px;
  background: rgba(255, 255, 255, 0.04);
  border-radius: 2px;
  position: relative;
}

.diag-bar-center::before {
  content: "";
  position: absolute;
  left: 50%;
  top: 0;
  width: 1px;
  height: 100%;
  background: var(--text-dim);
}

.diag-bar-center-fill {
  position: absolute;
  top: -1px;
  width: 4px !important;
  height: 5px;
  background: var(--active);
  border-radius: 2px;
  transform: translateX(-50%);
  box-shadow: 0 0 6px var(--accent-glow);
}

.diag-extra-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  margin-bottom: 12px;
}

.dominant-colors {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  padding: 10px 12px;
  border-radius: var(--radius-sm);
}

.color-swatches {
  display: flex;
  gap: 5px;
  margin-top: 8px;
}

.swatch {
  width: 32px;
  height: 32px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-sm);
  cursor: help;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.swatch:hover {
  transform: scale(1.15);
  box-shadow: var(--shadow-md);
}

/* --- Color Harmony --- */

.harmony-badge {
  margin-top: 8px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.harmony-type {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-primary);
}

.harmony-score {
  font-size: 10px;
  color: var(--text-dim);
  font-variant-numeric: tabular-nums;
  font-family: "JetBrains Mono", "SF Mono", monospace;
}

/* --- Region Analysis --- */

.region-analysis {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  padding: 10px 12px;
  border-radius: var(--radius-sm);
}

.region-grid-mini {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2px;
  margin-top: 8px;
  margin-bottom: 10px;
  width: 72px;
}

.region-cell {
  width: 22px;
  height: 22px;
  border: 1px solid var(--border);
  border-radius: 3px;
}

.region-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6px;
}

.region-stat {
  display: flex;
  flex-direction: column;
}

.region-stat-label {
  font-size: 9px;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  font-weight: 500;
}

.region-stat-value {
  font-size: 12px;
  font-weight: 600;
  font-family: "JetBrains Mono", "SF Mono", monospace;
  color: var(--text-primary);
}

/* --- Scene Detection --- */

.scenes-row {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 16px;
}

.scene-empty {
  color: var(--text-dim);
  font-size: 12px;
  padding: 10px 0;
}

.scene-tag {
  background: var(--bg-secondary);
  border: 1px solid rgba(124, 58, 237, 0.15);
  padding: 12px 16px;
  min-width: 110px;
  cursor: pointer;
  position: relative;
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
  z-index: 1;
}

.scene-tag-open,
.scene-tag:has(.scene-popup) {
  z-index: 101;
}

.scene-tag:hover {
  background: var(--bg-elevated);
  border-color: rgba(124, 58, 237, 0.35);
  transform: translateY(-2px);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.25), 0 0 20px var(--accent-glow);
}

.scene-tag-inactive {
  opacity: 0.35;
  border-color: var(--border);
}

.scene-tag-inactive .scene-bar-fill {
  background: var(--text-dim);
}

.scene-name {
  display: block;
  font-size: 12px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 6px;
}

.scene-bar {
  height: 3px;
  background: rgba(255, 255, 255, 0.04);
  border-radius: 2px;
  overflow: hidden;
  margin-bottom: 4px;
}

.scene-bar-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--accent) 0%, var(--accent-secondary) 100%);
  border-radius: 2px;
  transition: width 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

.scene-confidence {
  font-size: 10px;
  color: var(--text-dim);
  font-variant-numeric: tabular-nums;
  font-family: "JetBrains Mono", "SF Mono", monospace;
}

/* --- Scene Explanation Popup --- */

.scene-popup {
  position: absolute;
  top: calc(100% + 8px);
  left: 0;
  z-index: 100;
  background: #0c0c0e;
  border: 1px solid var(--border-accent);
  padding: 12px 14px;
  min-width: 240px;
  max-width: 320px;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  cursor: default;
  animation: popupFadeIn 0.15s ease-out;
  isolation: isolate;
}

@keyframes popupFadeIn {
  from { opacity: 0; transform: translateY(-4px); }
  to { opacity: 1; transform: translateY(0); }
}

.scene-popup-header {
  font-size: 11px;
  color: var(--text-secondary);
  margin-bottom: 10px;
  line-height: 1.5;
}

.scene-popup-title {
  font-size: 10px;
  font-weight: 600;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 8px;
}

.scene-popup-factor {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 5px;
}

.scene-popup-factor-name {
  font-size: 11px;
  color: var(--text-primary);
  min-width: 90px;
  flex-shrink: 0;
}

.scene-popup-factor-bar {
  flex: 1;
  height: 3px;
  background: rgba(255, 255, 255, 0.04);
  border-radius: 2px;
  overflow: hidden;
}

.scene-popup-factor-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--accent), var(--accent-secondary));
  border-radius: 2px;
  transition: width 0.3s;
}

.scene-popup-factor-val {
  font-size: 10px;
  color: var(--text-dim);
  min-width: 28px;
  text-align: right;
  font-variant-numeric: tabular-nums;
  font-family: "JetBrains Mono", "SF Mono", monospace;
}

.scene-popup-close {
  font-size: 10px;
  color: var(--text-dim);
  text-align: center;
  margin-top: 10px;
  padding-top: 8px;
  border-top: 1px solid var(--border);
}

/* --- Active Adjustments --- */

.adj-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 12px;
  border: 1px solid var(--border);
  margin-bottom: 4px;
  background: var(--bg-secondary);
  font-size: 12px;
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}

.adj-item:hover {
  background: var(--bg-elevated);
}

.adj-item.active {
  border-color: rgba(124, 58, 237, 0.2);
  background: linear-gradient(135deg, var(--bg-secondary) 0%, rgba(124, 58, 237, 0.04) 100%);
}

.adj-indicator {
  font-size: 10px;
  color: var(--inactive);
  transition: color var(--transition-fast);
}

.adj-item.active .adj-indicator {
  color: var(--active);
}

.adj-type {
  font-weight: 600;
  min-width: 140px;
  color: var(--text-primary);
}

.adj-item.inactive .adj-type {
  color: var(--text-dim);
}

.adj-reason {
  color: var(--text-secondary);
  flex: 1;
}

.adj-item.inactive .adj-reason {
  color: var(--text-dim);
}

.adj-amount {
  font-weight: 600;
  font-family: "JetBrains Mono", "SF Mono", monospace;
  color: var(--active);
  min-width: 44px;
  text-align: right;
}

.adj-scene-badge {
  font-size: 10px;
  padding: 2px 8px;
  border: 1px solid var(--border);
  background: var(--bg-tertiary);
  white-space: nowrap;
  border-radius: var(--radius-sm);
  font-weight: 500;
}

.adj-scene-badge.suppress {
  color: var(--text-dim);
}

.adj-scene-badge.enhance {
  color: var(--green-text);
  border-color: rgba(34, 197, 94, 0.2);
  background: var(--green-soft);
}

.adj-item.scene-suppressed {
  border-color: var(--border);
  opacity: 0.5;
}

.adj-item.scene-suppressed .adj-indicator {
  color: var(--text-dim);
}

/* --- Presets --- */

.presets-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 10px;
  margin-bottom: 20px;
}

.preset-slot {
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  padding: 12px 10px;
  text-align: center;
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}

.preset-slot:hover {
  border-color: var(--border-accent);
  background: var(--bg-elevated);
}

.preset-slot.has-data {
  border-color: rgba(124, 58, 237, 0.25);
  box-shadow: 0 0 16px var(--accent-glow);
}

.preset-name {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 8px;
  cursor: pointer;
  padding: 3px 6px;
  border: 1px solid transparent;
  background: transparent;
  min-height: 20px;
  display: block;
  width: 100%;
  text-align: center;
  font-family: inherit;
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}

.preset-name:hover {
  border-color: var(--border);
  background: rgba(255, 255, 255, 0.02);
}

.preset-name:focus {
  outline: none;
  border-color: var(--accent);
  background: var(--bg-tertiary);
  color: var(--text-primary);
  box-shadow: 0 0 0 2px var(--accent-soft);
}

.preset-empty-label {
  font-size: 11px;
  color: var(--text-dim);
  margin-bottom: 8px;
  min-height: 20px;
  line-height: 20px;
}

.preset-actions {
  display: flex;
  gap: 4px;
  justify-content: center;
}

.preset-actions button {
  padding: 4px 10px;
  font-size: 10px;
  font-family: inherit;
  font-weight: 500;
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
  color: var(--text-secondary);
  cursor: pointer;
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}

.preset-actions button:hover {
  background: var(--bg-hover);
  color: var(--text-primary);
  border-color: var(--border-accent);
}

/* --- Controls --- */

.controls-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.control-section h3 {
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--text-dim);
  padding-bottom: 10px;
  margin-bottom: 10px;
  border-bottom: 1px solid var(--border);
}

.control-row {
  display: grid;
  grid-template-columns: 1fr 1fr 44px;
  align-items: center;
  gap: 10px;
  padding: 4px 0;
}

.control-row label {
  font-size: 11px;
  color: var(--text-secondary);
  position: relative;
  font-weight: 400;
}

.control-tip {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 14px;
  height: 14px;
  font-size: 9px;
  font-weight: 700;
  color: var(--text-dim);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 50%;
  margin-left: 5px;
  cursor: help;
  vertical-align: middle;
  position: relative;
  transition: all var(--transition-fast);
}

.control-tip:hover {
  color: var(--text-primary);
  border-color: var(--text-secondary);
  background: rgba(255, 255, 255, 0.04);
}

.control-tip:hover::after {
  content: attr(data-tip);
  position: absolute;
  left: calc(100% + 10px);
  top: 50%;
  transform: translateY(-50%);
  background: var(--bg-primary);
  border: 1px solid var(--border-accent);
  color: var(--text-primary);
  font-size: 11px;
  font-weight: 400;
  line-height: 1.6;
  padding: 10px 12px;
  width: 260px;
  white-space: normal;
  z-index: 50;
  pointer-events: none;
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-lg);
}

.control-tip:hover::before {
  content: "";
  position: absolute;
  left: calc(100% + 6px);
  top: 50%;
  transform: translateY(-50%);
  border: 4px solid transparent;
  border-right-color: var(--border-accent);
  z-index: 51;
  pointer-events: none;
}

/* Custom range slider */
.control-row input[type="range"] {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 4px;
  background: rgba(255, 255, 255, 0.06);
  border-radius: 2px;
  outline: none;
  cursor: pointer;
  transition: background var(--transition-fast);
}

.control-row input[type="range"]:hover {
  background: rgba(124, 58, 237, 0.15);
}

.control-row input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 16px;
  height: 16px;
  background: var(--text-primary);
  border-radius: 50%;
  cursor: pointer;
  border: 2px solid var(--accent);
  box-shadow: 0 0 8px rgba(0, 0, 0, 0.4), 0 0 4px var(--accent-glow);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.control-row input[type="range"]::-webkit-slider-thumb:hover {
  transform: scale(1.2);
  box-shadow: 0 0 12px rgba(124, 58, 237, 0.3), 0 0 4px rgba(0, 0, 0, 0.5);
}

.control-row input[type="range"]::-moz-range-thumb {
  width: 16px;
  height: 16px;
  background: var(--text-primary);
  border-radius: 50%;
  cursor: pointer;
  border: 2px solid var(--accent);
  box-shadow: 0 0 8px rgba(0, 0, 0, 0.4), 0 0 4px var(--accent-glow);
}

.control-value {
  font-size: 11px;
  font-family: "JetBrains Mono", "SF Mono", monospace;
  color: var(--text-dim);
  text-align: right;
  font-variant-numeric: tabular-nums;
}

/* --- Scrollbar --- */

::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}

::-webkit-scrollbar-track {
  background: transparent;
}

::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.08);
  border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
  background: rgba(255, 255, 255, 0.14);
}

/* --- Selection --- */

::selection {
  background: var(--accent-soft);
  color: var(--text-primary);
}

/* --- Recolor Workspace --- */

.recolor-workspace {
  padding: 20px 28px 40px;
  max-width: 1600px;
  margin: 0 auto;
}

.recolor-result-header {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 8px 16px;
  border-bottom: 1px solid var(--border);
  background: linear-gradient(180deg, rgba(255,255,255,0.015) 0%, transparent 100%);
}

.recolor-result-header h2 {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--text-dim);
  padding: 0;
  border: none;
  flex: 1;
  position: relative;
  cursor: help;
}

.recolor-scheme-tip {
  position: absolute;
  top: calc(100% + 12px);
  left: 0;
  z-index: 200;
  background: #0c0c0e;
  border: 1px solid var(--border-accent);
  padding: 14px 16px;
  min-width: 260px;
  max-width: 340px;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  pointer-events: none;
  animation: popupFadeIn 0.15s ease-out;
  text-transform: none;
  letter-spacing: 0;
  font-weight: 400;
}

.recolor-scheme-tip::before {
  content: "";
  position: absolute;
  top: -5px;
  left: 24px;
  transform: rotate(45deg);
  width: 8px;
  height: 8px;
  background: #0c0c0e;
  border-top: 1px solid var(--border-accent);
  border-left: 1px solid var(--border-accent);
}

.recolor-scheme-tip-text {
  font-size: 12px;
  line-height: 1.7;
  color: var(--text-secondary);
}

.recolor-nav-btn {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
  color: var(--text-secondary);
  font-size: 16px;
  cursor: pointer;
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
  flex-shrink: 0;
  padding: 0;
  font-family: inherit;
}

.recolor-nav-btn:hover {
  background: var(--bg-hover);
  color: var(--text-primary);
  border-color: var(--border-accent);
  transform: translateY(-1px);
  box-shadow: var(--shadow-sm);
}

.recolor-counter {
  font-size: 11px;
  font-family: "JetBrains Mono", "SF Mono", monospace;
  color: var(--text-dim);
  font-variant-numeric: tabular-nums;
  flex-shrink: 0;
}

/* Recolor controls panel */

.recolor-controls-panel {
  display: flex;
  gap: 24px;
  padding: 20px;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  margin-bottom: 16px;
}

.recolor-control-group {
  flex: 1;
  min-width: 0;
}

.recolor-hue-group {
  flex: 1.2;
}

.recolor-control-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 10px;
}

.recolor-control-label {
  font-size: 12px;
  font-weight: 500;
  color: var(--text-secondary);
  letter-spacing: 0.5px;
}

.recolor-control-value {
  font-size: 12px;
  font-family: "JetBrains Mono", "SF Mono", monospace;
  color: var(--active);
  font-variant-numeric: tabular-nums;
}

.recolor-hue-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

.recolor-auto-btn {
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.8px;
  text-transform: uppercase;
  padding: 3px 10px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--bg-tertiary);
  color: var(--text-dim);
  cursor: pointer;
  transition: all var(--transition-fast);
  font-family: inherit;
}

.recolor-auto-btn:hover {
  background: var(--bg-hover);
  color: var(--text-secondary);
  border-color: var(--border-accent);
}

.recolor-auto-btn.active {
  background: var(--accent-soft);
  color: var(--active);
  border-color: rgba(124, 58, 237, 0.4);
}

/* Slider base styling */

.recolor-slider {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 6px;
  border-radius: 3px;
  background: linear-gradient(90deg, var(--bg-tertiary), var(--accent));
  outline: none;
  cursor: pointer;
  transition: opacity var(--transition-fast);
}

.recolor-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--text-primary);
  border: 2.5px solid var(--accent);
  cursor: grab;
  box-shadow: 0 0 8px rgba(0, 0, 0, 0.4), 0 0 4px var(--accent-glow);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.recolor-slider::-webkit-slider-thumb:hover {
  transform: scale(1.15);
  box-shadow: 0 0 14px rgba(124, 58, 237, 0.35), 0 0 6px rgba(0, 0, 0, 0.4);
}

.recolor-slider::-webkit-slider-thumb:active {
  cursor: grabbing;
  transform: scale(1.05);
}

.recolor-slider::-moz-range-thumb {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--text-primary);
  border: 2.5px solid var(--accent);
  cursor: grab;
  box-shadow: 0 0 8px rgba(0, 0, 0, 0.4), 0 0 4px var(--accent-glow);
}

/* Skin protection slider — warm skin tone gradient */

.recolor-skin-range {
  background: linear-gradient(90deg,
    var(--bg-tertiary) 0%,
    #c8956c 40%,
    #e8b48a 70%,
    #f5d0b0 100%
  ) !important;
}

/* Vibrance slider — desaturated-to-saturated gradient */

.recolor-vibrance-range {
  background: linear-gradient(90deg,
    hsl(220, 5%, 55%) 0%,
    var(--bg-tertiary) 50%,
    hsl(220, 80%, 60%) 75%,
    hsl(340, 90%, 60%) 100%
  ) !important;
}

/* Hue slider — rainbow gradient */

.recolor-hue-slider-wrap {
  position: relative;
}

.recolor-hue-range {
  background: linear-gradient(90deg,
    hsl(0, 100%, 50%),
    hsl(30, 100%, 50%),
    hsl(60, 100%, 50%),
    hsl(90, 100%, 50%),
    hsl(120, 100%, 50%),
    hsl(150, 100%, 50%),
    hsl(180, 100%, 50%),
    hsl(210, 100%, 50%),
    hsl(240, 100%, 50%),
    hsl(270, 100%, 50%),
    hsl(300, 100%, 50%),
    hsl(330, 100%, 50%),
    hsl(360, 100%, 50%)
  ) !important;
}

.recolor-hue-range::-webkit-slider-thumb {
  border-color: #fff;
  box-shadow: 0 0 6px rgba(0, 0, 0, 0.6), inset 0 0 0 2px rgba(0, 0, 0, 0.2);
}

.recolor-hue-range::-moz-range-thumb {
  border-color: #fff;
  box-shadow: 0 0 6px rgba(0, 0, 0, 0.6), inset 0 0 0 2px rgba(0, 0, 0, 0.2);
}

.recolor-hue-indicator {
  position: absolute;
  top: -6px;
  right: 0;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  border: 2px solid var(--border-accent);
  pointer-events: none;
  display: none;
}

/* Visual hint for hue slider when auto (still interactive) */

.recolor-hue-range.auto-active {
  opacity: 0.5;
}

/* Palette comparison */

.recolor-palette-comparison {
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 16px;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  margin-bottom: 16px;
}

.recolor-palette-group {
  flex: 1;
}

.recolor-palette-arrow {
  font-size: 20px;
  color: var(--text-dim);
  flex-shrink: 0;
}

/* Alternative palette picks */

.recolor-palette-alts {
  flex: 0 0 auto;
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding-left: 16px;
  border-left: 1px solid var(--border);
  min-width: 0;
}

.recolor-alt-heading {
  font-size: 11px;
  margin-bottom: 2px;
}

.recolor-alt-row {
  display: flex;
}

.recolor-alt-btn {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 5px 10px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition-fast);
  width: 100%;
  text-align: left;
}

.recolor-alt-btn:hover {
  border-color: var(--border-accent);
  background: linear-gradient(135deg, var(--accent-soft), rgba(8, 145, 178, 0.06));
  box-shadow: var(--shadow-sm);
  transform: translateY(-1px);
}

.recolor-alt-hue-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  flex-shrink: 0;
  border: 1px solid rgba(255, 255, 255, 0.15);
}

.recolor-alt-name {
  font-size: 11px;
  font-weight: 500;
  color: var(--text-secondary);
  white-space: nowrap;
  min-width: 32px;
}

.recolor-alt-swatches {
  margin-top: 0 !important;
  gap: 3px !important;
}

.recolor-alt-swatches .swatch {
  width: 20px;
  height: 20px;
}

/* Character colors (skin & hair) */

.recolor-char-colors {
  margin-top: 10px;
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
}

.recolor-char-color-row {
  display: flex;
  align-items: center;
  gap: 8px;
}

.recolor-char-swatch {
  width: 28px;
  height: 28px;
  border-radius: 6px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  flex-shrink: 0;
}

.recolor-char-rgb {
  font-size: 12px;
  color: var(--text-dim);
  font-family: var(--font-mono, monospace);
}

/* Scheme selector */

.recolor-schemes-row {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 16px;
}

.recolor-scheme-dot {
  padding: 10px 18px;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.recolor-scheme-dot:hover {
  background: var(--bg-elevated);
  border-color: var(--border-accent);
  transform: translateY(-1px);
  box-shadow: var(--shadow-sm);
}

.recolor-scheme-dot.active {
  border-color: rgba(124, 58, 237, 0.4);
  background: linear-gradient(135deg, var(--accent-soft), rgba(8, 145, 178, 0.06));
  box-shadow: 0 0 16px var(--accent-glow);
}

.recolor-scheme-dot-name {
  font-size: 12px;
  font-weight: 500;
  color: var(--text-secondary);
}

.recolor-scheme-dot.active .recolor-scheme-dot-name {
  color: var(--active);
}

/* --- Recolor Analysis Collapsible --- */

.recolor-analysis-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: 100%;
  padding: 12px 0;
  margin-top: 16px;
  background: transparent;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-dim);
  font-size: 12px;
  font-family: inherit;
  letter-spacing: 1px;
  text-transform: uppercase;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.recolor-analysis-toggle:hover {
  color: var(--text-secondary);
  border-color: var(--border-accent);
  background: var(--bg-hover);
}

.recolor-analysis-toggle-arrow {
  font-size: 10px;
  transition: transform var(--transition-fast);
}

.recolor-analysis-collapsible {
  max-height: 2000px;
  opacity: 1;
  transition: max-height 0.35s ease, opacity 0.25s ease;
  overflow: hidden;
}

.recolor-analysis-collapsible.collapsed {
  max-height: 0;
  opacity: 0;
  pointer-events: none;
}

/* --- Transfer (Reference Match) Workspace --- */

.transfer-workspace {
  padding: 20px 28px 40px;
  max-width: 1700px;
  margin: 0 auto;
}

.image-panels-3col {
  grid-template-columns: 1fr 1fr 1fr;
}

.diagnosis-panels-3col {
  grid-template-columns: 1fr 1fr 1fr;
}

.transfer-panel-ref .canvas-wrap {
  position: relative;
  min-height: 200px;
}

.transfer-ref-empty {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  border: 1.5px dashed rgba(255, 255, 255, 0.10);
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.015);
  cursor: pointer;
  transition: all var(--transition-med);
  text-align: center;
  padding: 16px;
}

.transfer-ref-empty:hover,
.transfer-panel-ref.drag-over .transfer-ref-empty {
  border-color: rgba(124, 58, 237, 0.35);
  background: rgba(124, 58, 237, 0.04);
}

.transfer-ref-empty p {
  color: var(--text-secondary);
  font-size: 13px;
  margin: 0;
}

.transfer-ref-empty .drop-hint {
  margin-top: 8px;
}

.transfer-ref-replace {
  margin-top: 8px;
  align-self: center;
  padding: 6px 14px;
  font-size: 11px;
  background: rgba(255, 255, 255, 0.04);
  color: var(--text-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.transfer-ref-replace:hover {
  background: rgba(124, 58, 237, 0.10);
  color: var(--text-primary);
  border-color: rgba(124, 58, 237, 0.30);
}

.transfer-ref-summary {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 12px;
  padding: 14px 18px;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  margin-bottom: 8px;
}

.transfer-ref-summary-item {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.transfer-ref-summary-item .label {
  font-size: 11px;
  color: var(--text-dim);
  letter-spacing: 0.4px;
  text-transform: uppercase;
}

.transfer-ref-summary-item .value {
  font-size: 14px;
  color: var(--text-primary);
  font-weight: 600;
  font-variant-numeric: tabular-nums;
}

.transfer-ref-summary-palette {
  grid-column: 1 / -1;
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-top: 4px;
}

.transfer-controls-panel {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 18px 28px;
}

.transfer-palette-comparison {
  flex-wrap: wrap;
}

/* --- Responsive --- */

@media (max-width: 900px) {
  .image-panels {
    grid-template-columns: 1fr;
  }

  .diagnosis-panels {
    grid-template-columns: 1fr;
  }

  .diag-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .diag-extra-row {
    grid-template-columns: 1fr;
  }

  .controls-grid {
    grid-template-columns: 1fr;
  }

  .presets-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .landing {
    grid-template-columns: 1fr;
    margin: 20px 16px;
    gap: 16px;
  }

  .image-panels-3col,
  .diagnosis-panels-3col {
    grid-template-columns: 1fr;
  }

  .transfer-workspace {
    padding: 16px 16px 32px;
  }

  .transfer-controls-panel {
    grid-template-columns: 1fr;
    gap: 14px;
  }

  header {
    flex-direction: column;
    gap: 12px;
    padding: 12px 16px;
  }

  .header-actions {
    flex-wrap: wrap;
    justify-content: center;
    gap: 8px;
  }

  .recolor-controls-panel {
    flex-direction: column;
    gap: 16px;
    padding: 16px;
  }

  .workspace,
  .recolor-workspace {
    padding: 16px 16px 32px;
  }

  .drop-zone-card {
    padding: 36px 24px 28px;
  }

  .drop-card-title {
    font-size: 18px;
  }
}

@media (max-width: 480px) {
  .diag-grid {
    grid-template-columns: 1fr;
  }

  .presets-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .header-actions button {
    padding: 6px 12px;
    font-size: 11px;
  }

  .recolor-schemes-row {
    gap: 6px;
  }

  .recolor-scheme-dot {
    padding: 8px 12px;
  }

  .recolor-palette-comparison {
    flex-wrap: wrap;
  }

  .recolor-palette-alts {
    border-left: none;
    border-top: 1px solid var(--border);
    padding-left: 0;
    padding-top: 10px;
    width: 100%;
  }
}

/* ── GMI branding kit ── */
.gmi-badge { display: inline-flex; align-items: center; gap: 6px; margin-left: 14px; padding: 4px 10px; border: 1px solid #333; border-radius: 999px; color: #ccc; text-decoration: none; font-size: 12px; letter-spacing: 0.3px; }
.gmi-badge:hover { border-color: #1d9bf0; color: #fff; }
.gmi-check { flex: 0 0 auto; }
.modal-key-link { display: inline-block; margin: 2px 0 10px; color: #1d9bf0; font-size: 12px; text-decoration: none; }
.modal-key-link:hover { text-decoration: underline; }
.modal-free-tries { margin: 0 0 4px; color: #999; font-size: 12px; }
.gmi-footer { display: flex; flex-direction: column; align-items: center; gap: 10px; padding: 36px 16px 28px; border-top: 1px solid #222; margin-top: 40px; }
.gmi-cta { color: #fff; background: #1d9bf0; padding: 10px 22px; border-radius: 999px; text-decoration: none; font-size: 14px; font-weight: 600; }
.gmi-cta:hover { background: #1a8cd8; }
.gmi-footer-links { display: flex; gap: 18px; }
.gmi-footer-links a { color: #777; font-size: 12px; text-decoration: none; }
.gmi-footer-links a:hover { color: #ccc; }
.gmi-credit { color: #555; font-size: 11px; }
.gmi-credit a { color: #777; text-decoration: none; }
.gmi-credit a:hover { color: #ccc; text-decoration: underline; }