@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700;800&family=Plus+Jakarta+Sans:wght@400;500;600;700&display=swap');

/* --- Premium Design System Tokens --- */
:root {
  --font-heading: 'Outfit', sans-serif;
  --font-body: 'Plus Jakarta Sans', sans-serif;

  /* Colors */
  --bg-darkest: #070a13;
  --bg-dark: #0e1320;
  --bg-panel: rgba(20, 27, 45, 0.7);
  --bg-panel-solid: #141b2d;
  --border-light: rgba(255, 255, 255, 0.08);
  --border-glow: rgba(0, 242, 254, 0.2);
  
  /* Primary Glowing Neon Colors */
  --accent-cyan: #00f2fe;
  --accent-cyan-rgb: 0, 242, 254;
  --accent-magenta: #ff007f;
  --accent-magenta-rgb: 255, 0, 127;
  --accent-yellow: #ffd200;
  --accent-yellow-rgb: 255, 210, 0;
  --accent-violet: #8a2be2;
  --accent-violet-rgb: 138, 43, 226;
  
  --text-primary: #f3f5f9;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  
  /* Layout */
  --header-height: 72px;
  --ad-mast-height: 70px;
  --sidebar-width: 280px;
  
  /* Utilities */
  --radius-lg: 16px;
  --radius-md: 10px;
  --radius-sm: 6px;
  --shadow-neon-cyan: 0 0 15px rgba(0, 242, 254, 0.35);
  --shadow-neon-magenta: 0 0 15px rgba(255, 0, 127, 0.35);
  --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* --- Base Resets & Typography --- */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  -webkit-tap-highlight-color: transparent;
}

body {
  background-color: var(--bg-darkest);
  color: var(--text-primary);
  font-family: var(--font-body);
  overflow-x: hidden;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  letter-spacing: -0.02em;
}

/* Scrollbar Customization */
::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}
::-webkit-scrollbar-track {
  background: var(--bg-darkest);
}
::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.15);
  border-radius: 10px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--accent-cyan);
}

/* --- Google Ads Slots & Mastheads --- */
.ad-slot-mast {
  width: 100%;
  max-width: 728px;
  height: var(--ad-mast-height);
  background: rgba(255, 255, 255, 0.02);
  border: 1px dashed rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-md);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.ad-slot-mast::after {
  content: 'ADVERTISEMENT - 728x90 LEADERBOARD';
  font-size: 10px;
  font-family: var(--font-heading);
  color: var(--text-muted);
  letter-spacing: 0.1em;
}

.ad-slot-sidebar {
  width: 300px;
  height: 600px;
  background: rgba(255, 255, 255, 0.02);
  border: 1px dashed rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  margin: 1rem 0;
}

.ad-slot-sidebar::after {
  content: 'ADVERTISEMENT - 300x600 HALF-PAGE';
  font-size: 10px;
  font-family: var(--font-heading);
  color: var(--text-muted);
  letter-spacing: 0.1em;
  writing-mode: vertical-rl;
  text-orientation: mixed;
}

/* Glassmorphic Panel Base */
.glass-panel {
  background: var(--bg-panel);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
  transition: var(--transition-smooth);
}

.glass-panel:hover {
  border-color: rgba(255, 255, 255, 0.12);
}

/* --- Layout Construction --- */
header {
  height: var(--header-height);
  background: rgba(14, 19, 32, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-light);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 1.25rem;
  position: sticky;
  top: 0;
  z-index: 100;
  overflow: visible;
}

.logo-section {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  height: 100%;
  position: relative;
  z-index: 120;
  overflow: visible;
}

.logo-image {
  display: block;
  height: 104px;
  width: auto;
  object-fit: contain;
  flex-shrink: 0;
  transform: translate(-0.35rem, 0.45rem);
}

.logo-wordmark {
  display: inline-flex;
  align-items: center;
  height: 40px;
  padding: 0 0.85rem;
  border-radius: var(--radius-sm);
  background: #ffd21a;
  color: #d92312;
  font-family: var(--font-heading);
  font-size: 1.55rem;
  font-weight: 900;
  letter-spacing: 0;
  line-height: 1;
  box-shadow: 0 0 0 1px rgba(0,0,0,0.18), 0 8px 18px rgba(255,210,26,0.16);
}

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

.site-links {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  flex-shrink: 0;
  margin: 0 0.75rem;
  font-size: 0.68rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0;
}

.site-links a {
  color: var(--text-secondary);
  text-decoration: none;
  transition: color 0.18s ease;
}

.site-links a:hover {
  color: var(--accent-cyan);
}

.info-page {
  min-height: 100vh;
  overflow-y: auto;
}

.info-header {
  position: sticky;
}

.info-main {
  width: min(920px, calc(100% - 2rem));
  margin: 0 auto;
  padding: 3rem 0 4rem;
}

.info-main h1 {
  font-size: clamp(2rem, 5vw, 3.6rem);
  line-height: 1.05;
  margin-bottom: 1rem;
  letter-spacing: 0;
}

.info-main h2 {
  font-size: 1.2rem;
  margin: 2rem 0 0.7rem;
  letter-spacing: 0;
}

.info-main p,
.info-main li {
  color: var(--text-secondary);
  font-size: 1rem;
  line-height: 1.75;
}

.info-main p + p {
  margin-top: 0.9rem;
}

.info-main ul {
  margin: 0.75rem 0 0 1.2rem;
}

.info-main a {
  color: var(--accent-cyan);
}

.info-kicker {
  color: var(--accent-yellow);
  font-size: 0.78rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0;
  margin-bottom: 0.75rem;
}

.info-card {
  margin-top: 1.25rem;
  padding: 1.25rem;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-sm);
  background: rgba(20, 27, 45, 0.72);
}

.info-footer {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  margin-top: 2.5rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--border-light);
  color: var(--text-muted);
  font-size: 0.85rem;
}

.info-footer a {
  color: var(--text-secondary);
  text-decoration: none;
}

.info-footer a:hover {
  color: var(--accent-cyan);
}

/* --- Main Layout Grid --- */
.app-container {
  display: grid;
  grid-template-columns: var(--sidebar-width) 1fr var(--sidebar-width);
  height: calc(100vh - var(--header-height));
  position: relative;
  overflow: hidden;
}

/* Sidebars styling */
.sidebar {
  background: rgba(14, 19, 32, 0.6);
  border-right: 1px solid var(--border-light);
  padding: 0.85rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  overflow-y: auto;
  height: 100%;
}

.sidebar.right {
  border-right: none;
  border-left: 1px solid var(--border-light);
  align-items: center;
}

/* Canvas Viewport (Center) */
.workspace {
  background: radial-gradient(circle at center, #1b263b 0%, #080c14 100%);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 2rem;
  position: relative;
  overflow: hidden;
  height: 100%;
}

.canvas-container {
  position: relative;
  max-width: 100%;
  max-height: 80%;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.6);
  border: 1px solid rgba(255, 255, 255, 0.05);
  cursor: grab;
  scrollbar-width: none;
  -ms-overflow-style: none;
  background-image: 
    linear-gradient(45deg, rgba(0, 0, 0, 0.25) 25%, transparent 25%), 
    linear-gradient(-45deg, rgba(0, 0, 0, 0.25) 25%, transparent 25%), 
    linear-gradient(45deg, transparent 75%, rgba(0, 0, 0, 0.25) 75%), 
    linear-gradient(-45deg, transparent 75%, rgba(0, 0, 0, 0.25) 75%);
  background-size: 20px 20px;
  background-position: 0 0, 0 10px, 10px -10px, -10px 0px;
}

.workspace.template-mode {
  justify-content: flex-start;
  gap: 0.4rem;
  padding: 0.75rem 1rem;
  overflow-y: auto;
}

/* In template mode: image + populate button sit in a small row on the left */
.workspace.template-mode .canvas-container {
  width: min(220px, 28vw);
  max-height: 15vh;
  min-height: 60px;
  flex-shrink: 0;
  border-radius: var(--radius-md);
}

/* Tuck canvas + populate into a single compact row */
.workspace.template-mode > #canvas-wrapper,
.workspace.template-mode > .main-image-actions {
  /* Both will be re-parented via CSS into a side-by-side arrangement.
     Since we can't change DOM easily, we use a shared pseudo-row trick:
     set a negative margin so they collapse into one visual row */
}

.main-image-actions {
  display: flex;
  justify-content: center;
  width: min(220px, 28vw);
  flex-shrink: 0;
}

.main-image-actions[hidden] {
  display: none;
}

.btn-populate-template {
  min-width: 112px;
  height: 30px;
  padding: 0.35rem 0.8rem;
  font-size: 0.72rem;
  border-color: rgba(255, 210, 0, 0.36);
  color: var(--accent-yellow);
}

.btn-template-background {
  min-width: 148px;
  height: 30px;
  padding: 0.35rem 0.8rem;
  font-size: 0.72rem;
  color: var(--accent-cyan);
  border-color: rgba(0, 242, 254, 0.34);
  flex-shrink: 0;
}

.layout-workspace-panel {
  width: min(100%, 1040px);
  min-height: 0;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  background: rgba(7, 10, 19, 0.42);
  padding: 0.75rem;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.025);
}

.layout-workspace-panel[hidden] {
  display: none;
}

.workspace.print-preview-mode {
  justify-content: center;
  align-items: center;
  gap: 0.75rem;
  padding: 1rem;
  overflow: auto;
}

.workspace.print-preview-mode > :not(#canvas-wrapper):not(.print-preview-actions) {
  display: none !important;
}

.workspace.print-preview-mode .canvas-container {
  display: flex !important;
  width: min(100%, 1040px);
  max-width: 100%;
  height: calc(100vh - 8.5rem);
  max-height: calc(100vh - 8.5rem);
  min-height: 420px;
  cursor: default;
  align-items: center;
  justify-content: center;
  padding: 0.75rem;
  overflow: auto;
  border-radius: var(--radius-md);
}

.workspace.print-preview-mode canvas {
  width: auto;
  height: auto;
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  background: #ffffff;
}

.print-preview-actions {
  display: none;
  gap: 0.55rem;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.workspace.print-preview-mode .print-preview-actions {
  display: flex;
}

.layout-workspace-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-shrink: 0;
}

.layout-workspace-header h3 {
  margin: 0;
  font-size: 0.86rem;
  color: var(--text-primary);
  letter-spacing: 0;
}

.layout-workspace-header p {
  margin: 0.18rem 0 0;
  font-size: 0.68rem;
  color: var(--text-secondary);
}

.layout-workspace-stage {
  flex: 1;
  min-height: 240px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: auto;
  border-radius: var(--radius-sm);
  background:
    linear-gradient(45deg, rgba(255,255,255,0.025) 25%, transparent 25%),
    linear-gradient(-45deg, rgba(255,255,255,0.025) 25%, transparent 25%),
    linear-gradient(45deg, transparent 75%, rgba(255,255,255,0.025) 75%),
    linear-gradient(-45deg, transparent 75%, rgba(255,255,255,0.025) 75%);
  background-size: 18px 18px;
  background-position: 0 0, 0 9px, 9px -9px, -9px 0;
}

.layout-workspace-stage canvas {
  width: auto;
  height: auto;
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  box-shadow: 0 18px 45px rgba(0, 0, 0, 0.38);
  background: #fff;
}

.workspace-template-sheet {
  position: relative;
  width: min(100%, 760px);
  max-height: 100%;
  background: #ffffff;
  border: 1px solid rgba(255, 255, 255, 0.45);
  box-shadow: 0 18px 45px rgba(0, 0, 0, 0.38);
  flex-shrink: 0;
}

.workspace-template-box {
  position: absolute;
  transform-origin: center;
  border: 1px dashed rgba(37, 99, 235, 0.75);
  background:
    linear-gradient(135deg, rgba(37, 99, 235, 0.11), rgba(14, 165, 233, 0.16));
}

button.workspace-template-box {
  padding: 0;
  border-radius: 0;
  color: var(--text-primary);
  overflow: hidden;
}

.workspace-template-box.filled {
  border-style: solid;
  border-color: rgba(203, 213, 225, 0.85);
  background-size: cover;
  background-position: center;
}

.workspace-template-box.overflow {
  background: rgba(239, 68, 68, 0.26);
  border-color: rgba(239, 68, 68, 0.8);
}

.collage-template-sheet {
  width: min(100%, 900px);
}

.collage-slot {
  display: flex;
  align-items: center;
  justify-content: center;
  background-position: center;
  background-size: cover;
  transition: border-color 0.18s ease, box-shadow 0.18s ease, filter 0.18s ease;
}

.collage-slot:hover,
.collage-slot:focus-visible {
  border-color: var(--accent-cyan);
  box-shadow: inset 0 0 0 2px rgba(0, 242, 254, 0.65), 0 0 14px rgba(0, 242, 254, 0.28);
  filter: brightness(1.06);
}

.collage-slot-label {
  max-width: calc(100% - 12px);
  min-height: 22px;
  padding: 0.25rem 0.45rem;
  border-radius: var(--radius-sm);
  background: rgba(7, 10, 19, 0.72);
  color: #ffffff;
  font-size: 0.62rem;
  font-weight: 800;
  line-height: 1.1;
  text-align: center;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  pointer-events: none;
}

.collage-slot:not(.filled) .collage-slot-label {
  background: rgba(37, 99, 235, 0.92);
  color: #e0f2fe;
}

.collage-slot.filled .collage-slot-label {
  align-self: flex-end;
  margin-bottom: 0.35rem;
  opacity: 0;
}

.collage-slot.filled:hover .collage-slot-label,
.collage-slot.filled:focus-visible .collage-slot-label {
  opacity: 1;
}

.layout-workspace-slots {
  display: grid;
  grid-template-columns: repeat(4, minmax(120px, 1fr));
  gap: 0.5rem;
  flex-shrink: 0;
}

.layout-workspace-slots[hidden] {
  display: none;
}

.layout-workspace-slots .multi-image-slot {
  min-height: 68px;
  grid-template-columns: 48px minmax(0, 1fr);
}

.layout-workspace-slots .multi-image-slot-thumb {
  width: 48px;
  height: 54px;
}
.canvas-container::-webkit-scrollbar {
  display: none;
}

canvas {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  display: block;
  will-change: transform;
}

/* Image grid overlay for layout guides */
.grid-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  display: none;
  grid-template-columns: repeat(var(--grid-cols, 1), 1fr);
  grid-template-rows: repeat(var(--grid-rows, 1), 1fr);
  gap: 2px;
}

.grid-overlay.active {
  display: grid;
}

.grid-cell-guide {
  border: 1px dashed rgba(0, 242, 254, 0.4);
  box-shadow: inset 0 0 10px rgba(0, 242, 254, 0.05);
  position: relative;
}

.grid-cell-guide::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent-cyan);
  transform: translate(-50%, -50%);
  opacity: 0.3;
}

/* Drag & Drop Overlay Hint */
.dropzone-overlay {
  position: absolute;
  top: 1rem;
  left: 1rem;
  right: 1rem;
  bottom: 1rem;
  border: 2px dashed rgba(0, 242, 254, 0.3);
  background: rgba(14, 19, 32, 0.85);
  border-radius: var(--radius-lg);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  opacity: 0;
  pointer-events: none;
  transition: var(--transition-smooth);
  z-index: 10;
}

.dropzone-overlay.dragover {
  opacity: 1;
  pointer-events: all;
  border-color: var(--accent-cyan);
  box-shadow: var(--shadow-neon-cyan);
}

.dropzone-icon {
  font-size: 3rem;
  background: linear-gradient(135deg, var(--accent-cyan), var(--accent-magenta));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  animation: float 3s ease-in-out infinite;
}

/* --- UI Panel Cards --- */
.panel-card {
  padding: 0.75rem;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.panel-title {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 0.4rem;
  border-left: 3px solid var(--accent-cyan);
  padding-left: 0.4rem;
}

.panel-title.ai-accent {
  border-left-color: var(--accent-magenta);
}

.panel-title.layout-accent {
  border-left-color: var(--accent-yellow);
  font-size: 0.68rem;
}

.support-email {
  font-size: 0.58rem;
  font-weight: 700;
  line-height: 1.25;
  color: var(--text-muted);
  text-align: right;
  word-break: break-word;
}

.support-email a {
  color: var(--accent-cyan);
  text-decoration: none;
}

.support-email a:hover {
  color: #ffffff;
  text-decoration: underline;
}

/* --- Button Styling & Micro-Animations --- */
button {
  cursor: pointer;
  border: none;
  outline: none;
  font-family: var(--font-body);
  font-weight: 600;
  transition: var(--transition-smooth);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
}

/* Primary Neon Button */
.btn-primary {
  background: linear-gradient(135deg, var(--accent-violet) 0%, #6366f1 100%);
  color: #fff;
  padding: 0.45rem 1rem;
  font-size: 0.8rem;
  border-radius: var(--radius-sm);
  box-shadow: 0 4px 15px rgba(138, 43, 226, 0.4);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(138, 43, 226, 0.6);
  background: linear-gradient(135deg, #9b42fc 0%, #4f46e5 100%);
}

.btn-primary:active {
  transform: translateY(1px);
}

/* Secondary Action Button */
.btn-secondary {
  background: rgba(255, 255, 255, 0.04);
  color: var(--text-primary);
  border: 1px solid var(--border-light);
  padding: 0.4rem 0.75rem;
  font-size: 0.8rem;
  border-radius: var(--radius-sm);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.2);
  transform: translateY(-1px);
}

.btn-secondary:disabled {
  opacity: 0.4;
  cursor: not-allowed;
  transform: none;
}

.btn-secondary.active {
  border-color: var(--accent-cyan);
  color: var(--accent-cyan);
  background: rgba(0, 242, 254, 0.1);
  box-shadow: 0 0 12px rgba(0, 242, 254, 0.18);
}

/* Mini Action Button for Header */
.btn-mini {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-light);
  color: var(--text-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
}

.btn-mini:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: var(--accent-cyan);
  box-shadow: 0 0 10px rgba(0, 242, 254, 0.2);
}

/* --- Color-Coded Processing Buttons --- */
.control-grid-wrapper {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  width: 100%;
}

.controls-container-desktop {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.advanced-adjust-panel {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  width: 100%;
  background: rgba(14,19,32,0.68);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-sm);
  padding: 0.45rem 0.55rem;
}

.advanced-adjust-panel[hidden],
.advanced-adjust-content[hidden] {
  display: none;
}

/* Ensure [hidden] always wins over class-level display rules */
.controls-container-desktop[hidden],
#adjustment-shelf-header[hidden] {
  display: none !important;
}

.advanced-adjust-content {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr)) auto;
  align-items: center;
  gap: 0.55rem;
  flex: 1;
  min-width: 0;
}

.advanced-slider {
  display: grid;
  grid-template-columns: auto 22px minmax(76px, 1fr) 22px 38px;
  align-items: center;
  gap: 0.35rem;
  min-width: 0;
}

.advanced-slider label {
  font-size: 0.58rem;
  font-weight: 800;
  color: var(--text-secondary);
  text-transform: uppercase;
  white-space: nowrap;
}

.advanced-slider input[type="range"] {
  width: 100%;
  min-width: 0;
  height: 3px;
  accent-color: var(--accent-cyan);
}

.advanced-slider span {
  color: var(--accent-cyan);
  font-family: monospace;
  font-size: 0.62rem;
  text-align: right;
}

.slider-step-btn {
  width: 22px;
  height: 22px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 5px;
  background: rgba(255, 255, 255, 0.07);
  color: #facc15;
  font-size: 0.78rem;
  font-weight: 900;
  line-height: 1;
  cursor: pointer;
  transition: var(--transition-smooth);
}

.slider-step-btn:hover {
  border-color: rgba(250, 204, 21, 0.65);
  background: rgba(250, 204, 21, 0.14);
}

.slider-step-btn:focus-visible {
  outline: 2px solid #facc15;
  outline-offset: 2px;
}

#levels-adjust-controls {
  grid-template-columns: minmax(280px, 1fr) auto;
  align-items: stretch;
}

.levels-gimp-widget {
  --level-black-pos: 0%;
  --level-mid-pos: 50%;
  --level-white-pos: 100%;
  --level-out-black-pos: 0%;
  --level-out-white-pos: 100%;
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
  width: 100%;
  min-width: 0;
}

.levels-gimp-topline {
  display: flex;
  justify-content: space-between;
  color: var(--text-secondary);
  font-size: 0.58rem;
  font-weight: 800;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.levels-histogram-box {
  min-width: 0;
  width: 100%;
}

#levels-histogram {
  display: block;
  width: 100%;
  height: 44px;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-sm);
  background: #060913;
}

.levels-slider-stack {
  display: flex;
  flex-direction: column;
  gap: 0;
  margin-top: 0;
  width: 100%;
  min-width: 0;
}

.levels-shared-track {
  position: relative;
  width: 100%;
  height: 24px;
  cursor: crosshair;
  touch-action: none;
}

.levels-input-gradient {
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  height: 8px;
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 2px;
  background: linear-gradient(to right, #000, #fff);
}

.levels-handle {
  position: absolute;
  top: 10px;
  width: 0;
  height: 0;
  padding: 0;
  border: 0;
  border-left: 7px solid transparent;
  border-right: 7px solid transparent;
  border-bottom: 12px solid #facc15;
  background: transparent;
  cursor: ew-resize;
  transform: translateX(-50%);
  filter: drop-shadow(0 0 2px rgba(0,0,0,0.95)) drop-shadow(0 0 5px rgba(250,204,21,0.45));
}

.levels-handle:focus-visible {
  outline: 2px solid var(--accent-cyan);
  outline-offset: 4px;
}

.levels-handle-black {
  left: var(--level-black-pos);
  border-bottom-color: #facc15;
}

.levels-handle-mid {
  left: var(--level-mid-pos);
  border-bottom-color: #fde047;
}

.levels-handle-white {
  left: var(--level-white-pos);
  border-bottom-color: #facc15;
}

/* ── NEW: GIMP-like Levels additions ─────────────────── */

/* Channel selector row */
.levels-channel-row {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  margin-bottom: 0.1rem;
}

.levels-channel-label {
  font-size: 0.6rem;
  font-weight: 700;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  white-space: nowrap;
  flex-shrink: 0;
}

.levels-channel-tabs {
  display: flex;
  gap: 0.18rem;
  flex: 1;
}

.levels-channel-btn {
  flex: 1;
  height: 20px;
  padding: 0 0.3rem;
  font-size: 0.6rem;
  font-weight: 700;
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  cursor: pointer;
  transition: background 0.15s, color 0.15s, border-color 0.15s;
  white-space: nowrap;
}

.levels-channel-btn:hover {
  background: rgba(255,255,255,0.1);
  color: var(--text-primary);
}

.levels-channel-btn.active {
  background: rgba(34,211,238,0.15);
  border-color: var(--accent-cyan);
  color: var(--accent-cyan);
}

.levels-auto-btn {
  height: 20px;
  padding: 0 0.5rem;
  font-size: 0.6rem;
  font-weight: 700;
  background: rgba(99,102,241,0.15);
  border: 1px solid rgba(99,102,241,0.5);
  border-radius: var(--radius-sm);
  color: #a5b4fc;
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s;
  white-space: nowrap;
  flex-shrink: 0;
}

.levels-auto-btn:hover {
  background: rgba(99,102,241,0.3);
  border-color: #818cf8;
  color: #c7d2fe;
}

/* Section labels (Input Levels / Output Levels) */
.levels-section-label {
  font-size: 0.58rem;
  font-weight: 800;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-top: 0.1rem;
}

/* Editable number input boxes */
.levels-number-row {
  display: flex;
  align-items: center;
  gap: 0.2rem;
  margin-top: 0.08rem;
}

.levels-num-input {
  width: 52px;
  height: 22px;
  padding: 0 0.3rem;
  font-size: 0.68rem;
  font-family: monospace;
  text-align: center;
  background: rgba(0,0,0,0.35);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  outline: none;
  -moz-appearance: textfield;
}

.levels-num-input::-webkit-outer-spin-button,
.levels-num-input::-webkit-inner-spin-button {
  -webkit-appearance: none;
}

.levels-num-input:focus {
  border-color: var(--accent-cyan);
  background: rgba(34,211,238,0.06);
}

.levels-num-mid {
  flex: 1;
  width: auto;
  color: var(--accent-cyan);
  border-color: rgba(34,211,238,0.3);
}

/* Output track gradient */
.levels-output-gradient {
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  height: 8px;
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 2px;
  background: linear-gradient(to right, #000, #fff);
}

/* Output handles — pointed upward (inverted triangle) */
.levels-handle-out-black,
.levels-handle-out-white {
  top: auto;
  bottom: 2px;
  border-bottom: 0;
  border-top: 12px solid #facc15;
}

.levels-handle-out-black {
  left: var(--level-out-black-pos);
  border-top-color: #facc15;
}

.levels-handle-out-white {
  left: var(--level-out-white-pos);
  border-top-color: #facc15;
}

/* Eyedropper picker buttons */
.levels-picker-row {
  display: flex;
  gap: 0.2rem;
  margin-top: 0.15rem;
}

.levels-picker-btn {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.25rem;
  height: 22px;
  padding: 0 0.3rem;
  font-size: 0.6rem;
  font-weight: 700;
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  cursor: crosshair;
  transition: background 0.15s, color 0.15s, border-color 0.15s;
  white-space: nowrap;
}

.levels-picker-btn:hover {
  background: rgba(255,255,255,0.1);
  color: var(--text-primary);
}

.levels-picker-btn.active {
  background: rgba(251,191,36,0.15);
  border-color: rgba(251,191,36,0.6);
  color: #fbbf24;
  cursor: crosshair;
}

.levels-picker-black svg { color: #94a3b8; }
.levels-picker-grey  svg { color: #9ca3af; }
.levels-picker-white svg { color: #e2e8f0; }

/* Channel row toggle button — sits inline with Blk/Gry/Wht pickers */
.levels-channel-toggle-btn {
  flex: 0 0 auto;
  display: flex;
  align-items: center;
  justify-content: center;
  height: 20px;
  padding: 0 0.4rem;
  font-size: 0.58rem;
  font-weight: 800;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  background: rgba(99,102,241,0.12);
  border: 1px solid rgba(99,102,241,0.45);
  border-radius: var(--radius-sm);
  color: #a5b4fc;
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s;
  white-space: nowrap;
}

.levels-channel-toggle-btn:hover {
  background: rgba(99,102,241,0.25);
  border-color: #818cf8;
  color: #c7d2fe;
}

.levels-channel-toggle-btn.active {
  background: rgba(99,102,241,0.3);
  border-color: #818cf8;
  color: #c7d2fe;
}

.advanced-reset,
.advanced-close {
  height: 24px;
  padding: 0 0.5rem;
  font-size: 0.62rem;
  white-space: nowrap;
}

@media (max-width: 900px) {
  .advanced-adjust-panel,
  .advanced-adjust-content {
    flex-direction: column;
    display: flex;
    align-items: stretch;
  }

  .levels-slider-stack {
    gap: 0.22rem;
  }

  .paper-size-control,
  .border-frame-control,
  .denoise-inline {
    flex: 1 1 100%;
    max-width: none;
  }
}

/* Dual-Row Control Row */
.control-row {
  display: grid;
  grid-template-columns: repeat(9, minmax(0, 1fr));
  gap: 0.2rem;
  width: 100%;
}

/* Base adjustment buttons styles */
.btn-adj {
  height: 22px;
  min-width: 0;
  border-radius: var(--radius-sm);
  font-weight: 700;
  font-size: 0.55rem;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  border: 1px solid transparent;
  padding: 0 1px;
  cursor: pointer;
  transition: var(--transition-smooth);
}

/* Hide the lucide icons inside adj buttons to save horizontal space */
.btn-adj > i[data-lucide] {
  display: none;
}

/* Also hide the large letter spans (Y, M, C) */
.btn-adj > span[style*="font-size: 0.9rem"] {
  display: none;
}

.btn-adj .btn-label {
  font-size: 0.5rem;
  font-weight: 700;
  color: #fff;
  text-transform: uppercase;
  letter-spacing: 0.01em;
  line-height: 1;
  white-space: nowrap;
}

/* Color Coding for Buttons */
/* Brightness (Cyan Glow) */
.btn-adj.brightness-plus {
  background: linear-gradient(135deg, rgba(0, 242, 254, 0.15) 0%, rgba(0, 242, 254, 0.3) 100%);
  border-color: var(--accent-cyan);
  color: var(--accent-cyan);
}
.btn-adj.brightness-plus:hover {
  background: linear-gradient(135deg, rgba(0, 242, 254, 0.25) 0%, rgba(0, 242, 254, 0.45) 100%);
  box-shadow: var(--shadow-neon-cyan);
  transform: translateY(-2px);
}
.btn-adj.brightness-minus {
  background: transparent;
  border-color: rgba(0, 242, 254, 0.3);
  color: rgba(0, 242, 254, 0.7);
}
.btn-adj.brightness-minus:hover {
  background: rgba(0, 242, 254, 0.08);
  border-color: var(--accent-cyan);
  color: var(--accent-cyan);
}

/* Contrast (Magenta Glow) */
.btn-adj.contrast-plus {
  background: linear-gradient(135deg, rgba(255, 0, 127, 0.15) 0%, rgba(255, 0, 127, 0.3) 100%);
  border-color: var(--accent-magenta);
  color: var(--accent-magenta);
}
.btn-adj.contrast-plus:hover {
  background: linear-gradient(135deg, rgba(255, 0, 127, 0.25) 0%, rgba(255, 0, 127, 0.45) 100%);
  box-shadow: var(--shadow-neon-magenta);
  transform: translateY(-2px);
}
.btn-adj.contrast-minus {
  background: transparent;
  border-color: rgba(255, 0, 127, 0.3);
  color: rgba(255, 0, 127, 0.7);
}
.btn-adj.contrast-minus:hover {
  background: rgba(255, 0, 127, 0.08);
  border-color: var(--accent-magenta);
  color: var(--accent-magenta);
}

/* Rotation (Violet/Blue Glow) — both 90° and fine buttons share the same filled style */
.btn-adj.rotate-plus,
.btn-adj.rotate-fine-plus,
.btn-adj.rotate-minus,
.btn-adj.rotate-fine-minus {
  background: linear-gradient(135deg, rgba(138, 43, 226, 0.15) 0%, rgba(138, 43, 226, 0.3) 100%);
  border-color: var(--accent-violet);
  color: #a855f7;
}
.btn-adj.rotate-plus:hover,
.btn-adj.rotate-fine-plus:hover,
.btn-adj.rotate-minus:hover,
.btn-adj.rotate-fine-minus:hover {
  background: linear-gradient(135deg, rgba(138, 43, 226, 0.25) 0%, rgba(138, 43, 226, 0.45) 100%);
  box-shadow: 0 0 15px rgba(138, 43, 226, 0.35);
  transform: translateY(-2px);
}

/* Split Button Group (Rotation 90° | 1°) */
.btn-split-group {
  display: flex;
  height: 22px;
  border-radius: var(--radius-sm);
  overflow: hidden;
  gap: 0;
}

.btn-split-group .btn-split-left {
  flex: 3;
  border-radius: var(--radius-md) 0 0 var(--radius-md);
  border-right: 1px solid rgba(138, 43, 226, 0.4);
}

.btn-split-group .btn-split-right {
  flex: 2;
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  font-size: 0.8rem;
  border-left: none;
}

/* Colors YMC */
/* Yellow (Yellow/Orange Glow) */
.btn-adj.yellow-plus {
  background: linear-gradient(135deg, rgba(255, 210, 0, 0.15) 0%, rgba(255, 210, 0, 0.3) 100%);
  border-color: var(--accent-yellow);
  color: var(--accent-yellow);
}
.btn-adj.yellow-plus:hover {
  background: linear-gradient(135deg, rgba(255, 210, 0, 0.25) 0%, rgba(255, 210, 0, 0.45) 100%);
  box-shadow: var(--shadow-neon-yellow);
  transform: translateY(-2px);
}
.btn-adj.yellow-minus {
  background: transparent;
  border-color: rgba(255, 210, 0, 0.3);
  color: rgba(255, 210, 0, 0.7);
}
.btn-adj.yellow-minus:hover {
  background: rgba(255, 210, 0, 0.08);
  border-color: var(--accent-yellow);
  color: var(--accent-yellow);
}

/* Magenta (Deep Pink/Magenta Glow) */
.btn-adj.magenta-plus {
  background: linear-gradient(135deg, rgba(255, 0, 127, 0.15) 0%, rgba(255, 0, 127, 0.3) 100%);
  border-color: var(--accent-magenta);
  color: var(--accent-magenta);
}
.btn-adj.magenta-plus:hover {
  background: linear-gradient(135deg, rgba(255, 0, 127, 0.25) 0%, rgba(255, 0, 127, 0.45) 100%);
  box-shadow: var(--shadow-neon-magenta);
  transform: translateY(-2px);
}
.btn-adj.magenta-minus {
  background: transparent;
  border-color: rgba(255, 0, 127, 0.3);
  color: rgba(255, 0, 127, 0.7);
}
.btn-adj.magenta-minus:hover {
  background: rgba(255, 0, 127, 0.08);
  border-color: var(--accent-magenta);
  color: var(--accent-magenta);
}

/* Cyan (Bright Teal/Cyan Glow) */
.btn-adj.cyan-plus {
  background: linear-gradient(135deg, rgba(0, 242, 254, 0.15) 0%, rgba(0, 242, 254, 0.3) 100%);
  border-color: var(--accent-cyan);
  color: var(--accent-cyan);
}
.btn-adj.cyan-plus:hover {
  background: linear-gradient(135deg, rgba(0, 242, 254, 0.25) 0%, rgba(0, 242, 254, 0.45) 100%);
  box-shadow: var(--shadow-neon-cyan);
  transform: translateY(-2px);
}
.btn-adj.cyan-minus {
  background: transparent;
  border-color: rgba(0, 242, 254, 0.3);
  color: rgba(0, 242, 254, 0.7);
}
.btn-adj.cyan-minus:hover {
  background: rgba(0, 242, 254, 0.08);
  border-color: var(--accent-cyan);
  color: var(--accent-cyan);
}

/* Denoise (Dark Blue) */
.btn-adj.denoise-trigger {
  background: linear-gradient(135deg, rgba(15, 23, 42, 0.95) 0%, rgba(29, 78, 216, 0.9) 100%);
  border-color: #2563eb;
  color: #ffffff;
}
.btn-adj.denoise-trigger:hover:not(:disabled) {
  background: linear-gradient(135deg, rgba(15, 23, 42, 1) 0%, rgba(37, 99, 235, 1) 100%);
  box-shadow: 0 0 12px rgba(37, 99, 235, 0.35);
  transform: translateY(-1px);
}
.btn-adj.denoise-trigger:disabled,
.btn-adj.denoise-trigger.is-processing {
  opacity: 0.45;
  cursor: not-allowed;
  filter: saturate(0.65);
  box-shadow: none;
  transform: none;
}
.btn-adj.denoise-reset {
  background: transparent;
  border-color: rgba(16, 185, 129, 0.3);
  color: rgba(16, 185, 129, 0.7);
}
.btn-adj.denoise-reset:hover {
  background: rgba(16, 185, 129, 0.08);
  border-color: #10b981;
  color: #10b981;
}

/* Sharpen (Amber/Orange Glow) */
.btn-adj.sharpen-trigger {
  background: linear-gradient(135deg, rgba(251,146,60,0.15) 0%, rgba(251,146,60,0.3) 100%);
  border-color: #fb923c;
  color: #fb923c;
}
.btn-adj.sharpen-trigger:hover {
  background: linear-gradient(135deg, rgba(251,146,60,0.25) 0%, rgba(251,146,60,0.45) 100%);
  box-shadow: 0 0 12px rgba(251,146,60,0.35);
  transform: translateY(-1px);
}
.btn-adj.sharpen-reset {
  background: transparent;
  border-color: rgba(251,146,60,0.3);
  color: rgba(251,146,60,0.7);
}
.btn-adj.sharpen-reset:hover {
  background: rgba(251,146,60,0.08);
  border-color: #fb923c;
  color: #fb923c;
}

/* Blur (Indigo/Slate Glow) */
.btn-adj.blur-trigger {
  background: linear-gradient(135deg, rgba(99,102,241,0.15) 0%, rgba(99,102,241,0.3) 100%);
  border-color: #6366f1;
  color: #6366f1;
}
.btn-adj.blur-trigger:hover {
  background: linear-gradient(135deg, rgba(99,102,241,0.25) 0%, rgba(99,102,241,0.45) 100%);
  box-shadow: 0 0 12px rgba(99,102,241,0.35);
  transform: translateY(-1px);
}
.btn-adj.blur-reset {
  background: transparent;
  border-color: rgba(99,102,241,0.3);
  color: rgba(99,102,241,0.7);
}
.btn-adj.blur-reset:hover {
  background: rgba(99,102,241,0.08);
  border-color: #6366f1;
  color: #6366f1;
}

/* Tone Filters */
.btn-adj.bw-filter {
  background: #050505;
  border-color: #9ca3af;
  color: #ffffff;
}
.btn-adj.bw-filter:hover,
.btn-adj.bw-filter.active {
  background: #111827;
  border-color: #d1d5db;
  box-shadow: 0 0 10px rgba(209,213,219,0.22);
  transform: translateY(-1px);
}

.btn-adj.sepia-filter {
  background: linear-gradient(135deg, rgba(112, 66, 20, 0.88) 0%, rgba(160, 103, 45, 0.92) 100%);
  border-color: #c08a4b;
  color: #fff4df;
}
.btn-adj.sepia-filter .btn-label {
  color: #fff4df;
}
.btn-adj.sepia-filter:hover,
.btn-adj.sepia-filter.active {
  background: linear-gradient(135deg, rgba(128, 76, 25, 0.96) 0%, rgba(188, 125, 58, 1) 100%);
  border-color: #e0ad6c;
  box-shadow: 0 0 10px rgba(192, 138, 75, 0.36);
  transform: translateY(-1px);
}

.btn-adj:active {
  transform: translateY(1px) !important;
}

/* Denoise Slider */
.slider-group {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  width: 100%;
}

#select-ai-model,
#select-enhance-model {
  background: #000 !important;
  color: #ffffff;
  color-scheme: dark;
}

#select-ai-model option,
#select-enhance-model option {
  background: #000;
  color: #ffffff;
}

#select-ai-model option:checked,
#select-ai-model option:focus,
#select-enhance-model option:checked,
#select-enhance-model option:focus {
  background: #1d4ed8 linear-gradient(#1d4ed8, #1d4ed8);
  color: #ffffff;
}

/* Compact inline denoise slider (in upload shelf) */
#upload-shelf {
  flex-wrap: nowrap;
  overflow-x: auto;
  /* Firefox */
  scrollbar-width: thin;
  scrollbar-color: #e31b23 #3a2800;
}

/* Kodak-themed scrollbar: red thumb on deep-yellow track */
#upload-shelf::-webkit-scrollbar {
  height: 5px;
}

#upload-shelf::-webkit-scrollbar-track {
  background: #3a2800;
  border-radius: 10px;
  border-top: 1px solid #ffd700;
}

#upload-shelf::-webkit-scrollbar-thumb {
  background: linear-gradient(90deg, #e31b23 0%, #ff4e1a 50%, #e31b23 100%);
  border-radius: 10px;
  border: 1px solid rgba(255, 215, 0, 0.5);
}

#upload-shelf::-webkit-scrollbar-thumb:hover {
  background: linear-gradient(90deg, #ff2d35 0%, #ff6a30 50%, #ff2d35 100%);
  border-color: #ffd700;
}

.paper-size-control {
  display: flex;
  align-items: center;
  gap: 0.28rem;
  min-width: 0;
  flex: 0 0 auto;
}

.paper-size-control label {
  font-size: 0.6rem;
  color: var(--accent-yellow);
  font-weight: 800;
  text-transform: uppercase;
  white-space: nowrap;
  letter-spacing: 0.04em;
}

.paper-size-control select {
  width: 118px;
  height: 24px;
  background: #000;
  border: 1px solid rgba(255, 210, 0, 0.34);
  border-radius: var(--radius-sm);
  color: #ffffff;
  padding: 0 0.35rem;
  font-family: var(--font-body);
  font-size: 0.62rem;
  outline: none;
}

.paper-size-control select option {
  background: #000;
  color: #ffffff;
}

.paper-size-control select option:checked,
.paper-size-control select option:focus {
  background: #1d4ed8;
  color: #ffffff;
}

.paper-size-control select optgroup {
  background: #111;
  color: #94a3b8;
}

.paper-rotate-btn {
  width: 24px;
  height: 24px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(255, 210, 0, 0.34);
  border-radius: var(--radius-sm);
  background: rgba(255, 210, 0, 0.08);
  color: var(--accent-yellow);
  cursor: pointer;
  flex-shrink: 0;
  transition: var(--transition-smooth);
}

.paper-rotate-btn:hover {
  background: rgba(255, 210, 0, 0.16);
  border-color: rgba(255, 210, 0, 0.62);
}

.paper-rotate-btn i,
.paper-rotate-btn svg {
  width: 13px;
  height: 13px;
}

.paper-action-btn {
  height: 24px;
  padding: 0 0.45rem;
  border: 1px solid rgba(255, 210, 0, 0.52);
  border-radius: var(--radius-sm);
  background: #ffd200;
  color: #050505;
  font-size: 0.6rem;
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  cursor: pointer;
  white-space: nowrap;
  transition: var(--transition-smooth);
}

.paper-action-btn:hover:not(:disabled) {
  background: #ffe45c;
  box-shadow: 0 0 12px rgba(255, 210, 0, 0.24);
}

.paper-action-btn.upscale {
  border-color: rgba(34, 211, 238, 0.48);
  background: rgba(34, 211, 238, 0.14);
  color: #67e8f9;
}

.paper-action-btn.upscale:hover:not(:disabled) {
  background: rgba(34, 211, 238, 0.24);
  box-shadow: 0 0 12px rgba(34, 211, 238, 0.2);
}

.paper-action-btn:disabled {
  opacity: 0.45;
  cursor: not-allowed;
  box-shadow: none;
}

.paper-frame-preview {
  position: relative;
  width: 102px;
  height: 52px;
  flex-shrink: 0;
}

.paper-frame-box {
  position: absolute;
  left: 8px;
  bottom: 3px;
  width: 42px;
  height: 46px;
  border: 1px dashed rgba(255, 210, 0, 0.9);
  background:
    linear-gradient(90deg, rgba(255,255,255,0.1) 1px, transparent 1px),
    linear-gradient(0deg, rgba(255,255,255,0.1) 1px, transparent 1px);
  background-size: 8px 8px;
  box-shadow: inset 0 0 0 1px rgba(0,0,0,0.36), 0 0 10px rgba(255,210,0,0.12);
}

.paper-frame-width,
.paper-frame-height {
  position: absolute;
  color: var(--accent-yellow);
  font-family: monospace;
  font-size: 0.56rem;
  line-height: 1;
  white-space: nowrap;
}

.paper-frame-width {
  left: 8px;
  top: 0;
  text-align: center;
}

.paper-frame-height {
  left: 58px;
  top: 28px;
  transform: translateY(-50%) rotate(90deg);
  transform-origin: left center;
}

.paper-wireframe-toggle {
  height: 24px;
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  padding: 0 0.42rem;
  border: 1px solid rgba(255, 210, 0, 0.34);
  border-radius: var(--radius-sm);
  background: rgba(255, 210, 0, 0.08);
  color: var(--accent-yellow);
  font-size: 0.6rem;
  font-weight: 800;
  text-transform: uppercase;
  white-space: nowrap;
  cursor: pointer;
  flex-shrink: 0;
  transition: var(--transition-smooth);
}

.paper-wireframe-toggle:hover {
  background: rgba(255, 210, 0, 0.16);
  border-color: rgba(255, 210, 0, 0.62);
}

.paper-wireframe-toggle input {
  width: 12px;
  height: 12px;
  accent-color: var(--accent-yellow);
  cursor: pointer;
  flex-shrink: 0;
}

.border-frame-control {
  display: flex;
  align-items: center;
  gap: 0.28rem;
  min-width: 0;
  flex: 0 0 auto;
}

.border-frame-control label {
  font-size: 0.6rem;
  color: #f472b6;
  font-weight: 800;
  text-transform: uppercase;
  white-space: nowrap;
  letter-spacing: 0.04em;
}

.border-frame-control select {
  width: 132px;
  height: 24px;
  background: #000;
  border: 1px solid rgba(244, 114, 182, 0.34);
  border-radius: var(--radius-sm);
  color: #ffffff;
  padding: 0 0.35rem;
  font-family: var(--font-body);
  font-size: 0.62rem;
  outline: none;
}

.border-frame-control select option {
  background: #000;
  color: #ffffff;
}

.border-frame-control select option:checked,
.border-frame-control select option:focus {
  background: #1d4ed8;
  color: #ffffff;
}

.border-upload-btn {
  height: 24px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.22rem;
  padding: 0 0.45rem;
  border: 1px solid rgba(244, 114, 182, 0.42);
  border-radius: var(--radius-sm);
  background: rgba(244, 114, 182, 0.1);
  color: #f9a8d4;
  font-size: 0.6rem;
  font-weight: 800;
  cursor: pointer;
  white-space: nowrap;
  transition: var(--transition-smooth);
}

.border-upload-btn:hover {
  background: rgba(244, 114, 182, 0.18);
  border-color: rgba(244, 114, 182, 0.68);
}

.border-upload-btn i,
.border-upload-btn svg {
  width: 12px;
  height: 12px;
}

.denoise-inline {
  display: flex;
  align-items: center;
  gap: 0.3rem;
  flex: 0 0 auto;
  min-width: 0;
  max-width: none;
}

.denoise-inline label {
  font-size: 0.6rem;
  color: #10b981;
  font-weight: 700;
  text-transform: uppercase;
  white-space: nowrap;
  flex-shrink: 0;
  letter-spacing: 0.04em;
}

.denoise-inline input[type="range"] {
  flex: 0 1 120px;
  min-width: 68px;
  height: 3px;
  accent-color: #10b981;
}

.denoise-inline .denoise-val {
  font-size: 0.6rem;
  color: #10b981;
  font-family: monospace;
  min-width: 18px;
  text-align: right;
}

.denoise-inline .btn-dn {
  height: 20px;
  padding: 0 0.35rem;
  font-size: 0.58rem;
  border-radius: 3px;
  border: 1px solid rgba(37,99,235,0.75);
  background: linear-gradient(135deg, #0f172a 0%, #1d4ed8 100%);
  color: #ffffff;
  cursor: pointer;
  white-space: nowrap;
  transition: var(--transition-smooth);
}

.denoise-inline .btn-dn:hover:not(:disabled) {
  background: linear-gradient(135deg, #111827 0%, #2563eb 100%);
  border-color: #60a5fa;
}

.denoise-inline .btn-dn:disabled,
.denoise-inline .btn-dn.is-processing {
  opacity: 0.45;
  cursor: not-allowed;
  filter: saturate(0.65);
  box-shadow: none;
}

.denoise-inline .btn-dn.reset {
  border-color: rgba(239,68,68,0.4);
  background: rgba(239,68,68,0.08);
  color: #ef4444;
}

.denoise-inline .btn-dn.reset:hover {
  background: rgba(239,68,68,0.18);
  border-color: #ef4444;
}

.slider-header {
  display: flex;
  justify-content: space-between;
  font-size: 0.68rem;
  color: var(--text-secondary);
}

input[type="range"] {
  -webkit-appearance: none;
  width: 100%;
  height: 4px;
  background: rgba(255, 255, 255, 0.08);
  border-radius: 5px;
  outline: none;
  transition: var(--transition-smooth);
}

input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 13px;
  height: 13px;
  border-radius: 50%;
  background: var(--accent-cyan);
  cursor: pointer;
  box-shadow: 0 0 8px rgba(0, 242, 254, 0.8);
  transition: var(--transition-smooth);
}

input[type="range"]::-webkit-slider-thumb:hover {
  transform: scale(1.2);
}

/* --- Background Selector Grid --- */
.bg-selector-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.5rem;
}

/* --- Background Tab Bar --- */
.bg-tab-bar {
  display: flex;
  gap: 0;
  border-radius: var(--radius-sm);
  overflow: hidden;
  border: 1px solid var(--border-light);
}

.bg-tab {
  flex: 1;
  background: rgba(255,255,255,0.03);
  border: none;
  color: var(--text-secondary);
  font-size: 0.65rem;
  font-weight: 600;
  padding: 0.3rem 0;
  cursor: pointer;
  transition: var(--transition-smooth);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.bg-tab + .bg-tab {
  border-left: 1px solid var(--border-light);
}

.bg-tab:hover {
  background: rgba(255,255,255,0.07);
  color: var(--text-primary);
}

.bg-tab.active {
  background: rgba(0, 242, 254, 0.12);
  color: var(--accent-cyan);
}

/* --- HSV Color Picker --- */
.hue-strip-wrap {
  position: relative;
  width: 100%;
  height: 16px;
  border-radius: var(--radius-sm);
  overflow: visible;
  cursor: crosshair;
}

.hue-strip {
  width: 100%;
  height: 100%;
  border-radius: var(--radius-sm);
  display: block;
}

.hue-cursor {
  position: absolute;
  top: -3px;
  width: 6px;
  height: 22px;
  background: #fff;
  border-radius: 3px;
  border: 2px solid rgba(0,0,0,0.6);
  box-shadow: 0 0 4px rgba(0,0,0,0.5);
  pointer-events: none;
  transform: translateX(-50%);
  transition: left 0.05s;
}

.sv-square-wrap {
  position: relative;
  width: 100%;
  margin-top: 0.4rem;
  border-radius: var(--radius-sm);
  overflow: visible;
  cursor: crosshair;
}

.sv-square {
  width: 100%;
  height: 130px;
  border-radius: var(--radius-sm);
  display: block;
}

.sv-cursor {
  position: absolute;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  border: 2px solid #fff;
  box-shadow: 0 0 4px rgba(0,0,0,0.7);
  pointer-events: none;
  transform: translate(-50%, -50%);
  transition: left 0.05s, top 0.05s;
}

.color-swatch {
  width: 28px;
  height: 28px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-light);
  flex-shrink: 0;
  background: #ffffff;
}

.btn-bg-fill {
  height: 30px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-light);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.7rem;
  transition: var(--transition-smooth);
}

.btn-bg-fill.white-fill {
  background: #ffffff;
  color: #000000;
}
.btn-bg-fill.white-fill.active {
  border: 2px solid var(--accent-cyan);
  box-shadow: 0 0 15px rgba(255, 255, 255, 0.5);
}

.btn-bg-fill.blue-fill {
  background: #0044ff;
  color: #ffffff;
}
.btn-bg-fill.blue-fill.active {
  border: 2px solid var(--accent-cyan);
  box-shadow: 0 0 15px rgba(0, 68, 255, 0.5);
}

.btn-bg-fill.red-fill {
  background: #ff1100;
  color: #ffffff;
}
.btn-bg-fill.red-fill.active {
  border: 2px solid var(--accent-cyan);
  box-shadow: 0 0 15px rgba(255, 17, 0, 0.5);
}

.btn-bg-fill:hover {
  transform: translateY(-2px);
}

.btn-ai-action {
  background: linear-gradient(135deg, #ec4899 0%, #8b5cf6 100%);
  color: #fff;
  width: 100%;
  padding: 0.45rem 0.75rem;
  font-size: 0.8rem;
  border-radius: var(--radius-sm);
  box-shadow: 0 4px 15px rgba(236, 72, 153, 0.35);
  font-weight: 700;
}

.btn-ai-action:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(236, 72, 153, 0.55);
}

.btn-ai-action.loading {
  background: linear-gradient(135deg, #64748b 0%, #475569 100%);
  box-shadow: none;
  cursor: wait;
}

/* --- Photo Studio Arrays UI --- */
.panel-title-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  width: 100%;
}

.layout-view-toggle {
  display: flex;
  align-items: center;
  gap: 0;
  background: rgba(15, 23, 42, 0.72);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-sm);
  padding: 2px;
  flex-shrink: 0;
}

.layout-view-btn {
  width: 26px;
  height: 24px;
  border-radius: 4px;
  background: transparent;
  border: none;
  color: var(--text-muted);
  display: grid;
  place-items: center;
  cursor: pointer;
  transition: all 0.2s ease;
  padding: 0;
}

.layout-view-btn svg {
  width: 14px;
  height: 14px;
}

.layout-view-btn:hover {
  color: var(--text-secondary);
  background: rgba(255, 255, 255, 0.05);
}

.layout-view-btn.active {
  color: var(--accent-yellow);
  background: rgba(255, 210, 0, 0.12);
  box-shadow: 0 0 6px rgba(255, 210, 0, 0.15);
}

.layout-cards-grid {
  --layout-card-row-height: 4.15rem;
  --layout-card-grid-height: 2rem;
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
  width: 100%;
  max-height: calc((var(--layout-card-row-height) * 4) + (0.45rem * 3));
  overflow-y: auto;
  padding-right: 0.2rem;
}

/* Grid view mode for layout cards */
.layout-cards-grid.grid-view {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.2rem;
  max-height: calc((var(--layout-card-grid-height) * 5) + (0.2rem * 4));
}

.layout-cards-grid.grid-view .layout-card {
  flex-direction: row;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 0.12rem 0.25rem;
  min-height: auto;
  height: var(--layout-card-grid-height);
  gap: 0.15rem;
}

.layout-cards-grid.grid-view .layout-card-info {
  flex-direction: column;
  align-items: center;
  gap: 0;
  width: 100%;
}

.layout-cards-grid.grid-view .layout-card-title {
  font-size: 0.58rem;
  text-align: center;
  width: 100%;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-weight: 600;
}

.layout-cards-grid.grid-view .layout-card-icon {
  display: none;
}

.layout-cards-grid.grid-view .layout-card-actions {
  display: none;
}

.layout-cards-grid.grid-view .layout-card-kind {
  font-size: 0.4rem;
}

.layout-card {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-sm);
  padding: 0.3rem 0.55rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  min-height: var(--layout-card-row-height);
  transition: var(--transition-smooth);
}

.layout-card[draggable="true"] {
  cursor: grab;
}

.layout-card.dragging {
  opacity: 0.58;
  cursor: grabbing;
}

.layout-card.drag-over {
  border-color: var(--accent-cyan);
  box-shadow: 0 0 0 2px rgba(0, 242, 254, 0.18), 0 0 16px rgba(0, 242, 254, 0.18);
}

.layout-card:hover {
  background: rgba(255, 255, 255, 0.05);
  border-color: rgba(255, 210, 0, 0.3);
  cursor: pointer;
}

.layout-card.active {
  background: rgba(255, 210, 0, 0.05);
  border-color: var(--accent-yellow);
  box-shadow: 0 0 15px rgba(255, 210, 0, 0.15);
}

.layout-card.package-layout-card {
  background: rgba(125, 211, 252, 0.13);
  border-color: rgba(125, 211, 252, 0.34);
}

.layout-card.collage-layout-card {
  background: rgba(251, 207, 232, 0.14);
  border-color: rgba(251, 207, 232, 0.38);
}

.layout-card.single-layout-card {
  background: rgba(255, 210, 0, 0.16);
  border-color: rgba(255, 210, 0, 0.58);
}

.layout-card.single-layout-card .layout-card-icon {
  color: var(--accent-yellow);
  border-color: rgba(255, 210, 0, 0.52);
}

.layout-card-info {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  min-width: 0;
  flex: 1;
  width: 100%;
  white-space: nowrap;
}

.layout-card-kind {
  flex-shrink: 0;
  border-radius: var(--radius-sm);
  padding: 0.12rem 0.35rem;
  background: rgba(15, 23, 42, 0.68);
  border: 1px solid rgba(255, 255, 255, 0.14);
  color: var(--text-secondary);
  font-size: 0.52rem;
  font-weight: 900;
  text-transform: uppercase;
}

.layout-card-title {
  font-weight: 700;
  font-size: 0.94rem;
  min-width: 0;
  width: 100%;
  overflow: hidden;
  text-overflow: ellipsis;
}

.layout-card-icon {
  width: 24px;
  height: 24px;
  flex-shrink: 0;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-light);
  display: grid;
  place-items: center;
  color: var(--text-secondary);
}

.layout-card.active .layout-card-icon {
  border-color: var(--accent-yellow);
  color: var(--accent-yellow);
}

.multi-image-panel {
  border: 1px solid rgba(255, 210, 0, 0.18);
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.025);
  padding: 0.55rem;
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
}

.multi-image-panel[hidden] {
  display: none;
}

.multi-image-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  font-size: 0.68rem;
  font-weight: 800;
  text-transform: uppercase;
  color: var(--text-secondary);
}

.multi-image-header .btn-mini {
  width: 25px;
  height: 25px;
  border-radius: var(--radius-sm);
}

.multi-image-slots {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.45rem;
}

.multi-image-slot {
  min-width: 0;
  min-height: 78px;
  border: 1px dashed rgba(255, 255, 255, 0.18);
  border-radius: var(--radius-sm);
  background: rgba(15, 23, 42, 0.72);
  color: var(--text-secondary);
  padding: 0.35rem;
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr);
  align-items: center;
  gap: 0.4rem;
}

.multi-image-slot:hover {
  border-color: rgba(0, 242, 254, 0.48);
  background: rgba(15, 23, 42, 0.95);
}

.multi-image-slot-thumb {
  width: 42px;
  height: 56px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-light);
  background: rgba(255, 255, 255, 0.05);
  overflow: hidden;
  display: grid;
  place-items: center;
  color: var(--accent-yellow);
}

.multi-image-slot-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.multi-image-slot-thumb svg {
  width: 18px;
  height: 18px;
}

.multi-image-slot-copy {
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
  text-align: left;
}

.multi-image-slot-title {
  color: var(--text-primary);
  font-size: 0.68rem;
  font-weight: 800;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.multi-image-slot-name {
  color: var(--text-muted);
  font-size: 0.58rem;
  line-height: 1.2;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.layout-card.custom-layout-card {
  flex-direction: column;
  justify-content: center;
  align-items: stretch;
  gap: 0.4rem;
}

.layout-card.custom-layout-card .layout-card-info {
  flex: 1;
}

.layout-card-actions {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  gap: 0.25rem;
  flex-shrink: 0;
  width: 100%;
}

.layout-card:not(.custom-layout-card) .layout-card-actions {
  justify-content: flex-end;
  width: auto;
}

.layout-card-actions .btn-mini {
  width: 25px;
  height: 25px;
  border-radius: var(--radius-sm);
  background: rgba(15, 23, 42, 0.92);
  border-color: rgba(255, 255, 255, 0.18);
  color: #f8fafc;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.04);
}

.layout-card-actions .btn-mini:hover {
  background: rgba(30, 41, 59, 0.96);
  border-color: rgba(0, 242, 254, 0.5);
}

.layout-card-actions .btn-mini svg {
  width: 14px;
  height: 14px;
  stroke-width: 2.8;
}

.layout-card-actions .btn-mini[data-layout-action="preview"] {
  color: #67e8f9;
}

.layout-card-actions .btn-mini.drag-handle {
  color: #cbd5e1;
  cursor: grab;
}

.layout-card-actions .btn-mini.drag-handle:active {
  cursor: grabbing;
}

.layout-card-actions .btn-mini[data-layout-action="edit"] {
  color: #fde047;
}

.layout-card-actions .btn-mini[data-layout-action="up"],
.layout-card-actions .btn-mini[data-layout-action="down"] {
  color: #c4b5fd;
}

.layout-card-actions .btn-mini[data-layout-action="delete"] {
  color: #fca5a5;
}

.layout-action-fallback {
  font-size: 0.62rem;
  font-weight: 800;
  line-height: 1;
}

.layout-card-actions .btn-mini:has(svg) .layout-action-fallback {
  display: none;
}

.layout-builder-entry {
  border-top: 1px solid var(--border-light);
  padding-top: 0.4rem;
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
}

.layout-builder-label {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--text-secondary);
}

.layout-kind-choice {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.75rem;
}

.layout-kind-option {
  min-height: 76px;
  flex-direction: column;
  gap: 0.45rem;
  border: 1px solid rgba(125, 211, 252, 0.42);
  border-radius: var(--radius-sm);
  background: rgba(125, 211, 252, 0.12);
  color: #bae6fd;
  font-size: 0.82rem;
}

.layout-kind-option.collage {
  border-color: rgba(251, 207, 232, 0.48);
  background: rgba(251, 207, 232, 0.13);
  color: #fbcfe8;
}

.layout-kind-option:hover {
  transform: translateY(-1px);
  border-color: var(--accent-cyan);
}

.layout-page-overlay {
  position: fixed;
  inset: 0;
  display: none;
  align-items: center;
  justify-content: center;
  background: rgba(5, 8, 15, 0.82);
  backdrop-filter: blur(14px);
  z-index: 3000;
  padding: 1rem;
}

.layout-page-overlay.active {
  display: flex;
}

.layout-page {
  width: min(920px, 96vw);
  max-height: 92vh;
  background: rgba(13, 18, 31, 0.98);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.5);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.layout-page-header,
.layout-page-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem;
  border-bottom: 1px solid var(--border-light);
}

.layout-page-footer {
  border-top: 1px solid var(--border-light);
  border-bottom: 0;
  justify-content: flex-end;
}

.layout-page-header h2 {
  margin: 0;
  font-size: 1rem;
  color: var(--text-primary);
}

.layout-page-header p {
  margin: 0.2rem 0 0;
  font-size: 0.72rem;
  color: var(--text-secondary);
}

.layout-page-body {
  padding: 1rem;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.layout-form-section {
  border: 1px solid var(--border-light);
  border-radius: var(--radius-sm);
  padding: 0.85rem;
  background: rgba(255, 255, 255, 0.025);
}

.layout-form-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.75rem;
  margin-top: 0.75rem;
}

.layout-field {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.layout-field.full {
  width: 100%;
}

.layout-field span,
.sub-layout-field span {
  font-size: 0.7rem;
  color: var(--text-secondary);
  text-transform: uppercase;
  font-weight: 700;
}

.layout-field input,
.layout-field select,
.sub-layout-field input {
  background: rgba(0, 0, 0, 0.2);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-sm);
  height: 26px;
  font-size: 0.78rem;
  color: #fff;
  text-align: center;
  font-family: var(--font-body);
}

.layout-field select {
  cursor: pointer;
  padding: 0 0.45rem;
}

.layout-field input[type="text"] {
  text-align: left;
  padding: 0 0.45rem;
}

.layout-field input:focus,
.layout-field select:focus,
.sub-layout-field input:focus {
  border-color: var(--accent-yellow);
  outline: none;
}

.layout-field input[readonly] {
  color: var(--text-secondary);
  background: rgba(255, 255, 255, 0.04);
  cursor: default;
}

.layout-section-title {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 0.75rem;
  font-size: 0.75rem;
  font-weight: 800;
  color: var(--text-secondary);
  text-transform: uppercase;
}

.sub-layout-list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.sub-layout-row {
  display: grid;
  grid-template-columns: 1.2fr repeat(5, minmax(76px, 1fr)) 28px;
  gap: 0.5rem;
  align-items: end;
  padding: 0.65rem;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-sm);
  background: rgba(0, 0, 0, 0.18);
}

.collage-rows-title {
  margin-top: 1rem;
}

.collage-row-list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.collage-row {
  display: grid;
  grid-template-columns: 52px repeat(5, minmax(76px, 1fr)) 28px;
  gap: 0.5rem;
  align-items: end;
  padding: 0.65rem;
  border: 1px solid rgba(251, 207, 232, 0.22);
  border-radius: var(--radius-sm);
  background: rgba(251, 207, 232, 0.065);
}

.collage-row-number {
  height: 26px;
  border-radius: var(--radius-sm);
  display: grid;
  place-items: center;
  background: rgba(251, 207, 232, 0.16);
  color: #fbcfe8;
  font-size: 0.72rem;
  font-weight: 800;
}

.sub-layout-field {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  min-width: 0;
}

.sub-layout-field input[type="text"] {
  text-align: left;
  padding: 0 0.35rem;
}

.layout-preview-stage {
  overflow: auto;
  padding: 1.25rem;
  min-height: 55vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background:
    linear-gradient(45deg, rgba(255,255,255,0.025) 25%, transparent 25%),
    linear-gradient(-45deg, rgba(255,255,255,0.025) 25%, transparent 25%),
    linear-gradient(45deg, transparent 75%, rgba(255,255,255,0.025) 75%),
    linear-gradient(-45deg, transparent 75%, rgba(255,255,255,0.025) 75%);
  background-size: 18px 18px;
  background-position: 0 0, 0 9px, 9px -9px, -9px 0;
}

.layout-preview-sheet {
  position: relative;
  background: #ffffff;
  border: 1px solid rgba(255, 255, 255, 0.35);
  box-shadow: 0 18px 45px rgba(0, 0, 0, 0.35);
  flex-shrink: 0;
}

.layout-preview-box {
  position: absolute;
  transform-origin: center;
  background: rgba(37, 99, 235, 0.72);
  border: 1px solid rgba(29, 78, 216, 0.95);
}

.layout-preview-box.overflow {
  background: rgba(239, 68, 68, 0.28);
  border-color: rgba(239, 68, 68, 0.8);
}

@media (max-width: 760px) {
  .layout-form-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .sub-layout-row {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .collage-row {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .sub-layout-row .btn-mini {
    width: 100%;
  }

  .collage-row .btn-mini {
    width: 100%;
  }
}

/* --- Text Overlay Tool --- */
.text-ctrl-row {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  width: 100%;
}

.text-ctrl-label {
  font-size: 0.62rem;
  color: var(--text-secondary);
  font-weight: 600;
  text-transform: uppercase;
  white-space: nowrap;
  flex-shrink: 0;
}

.text-select {
  flex: 1;
  height: 26px;
  background: rgba(0,0,0,0.25);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-sm);
  color: #fff;
  padding: 0 0.35rem;
  font-size: 0.68rem;
  font-family: var(--font-body);
  outline: none;
  cursor: pointer;
}

.text-fmt-btn {
  width: 26px;
  height: 26px;
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-size: 0.78rem;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  flex-shrink: 0;
  transition: var(--transition-smooth);
}

.text-fmt-btn:hover {
  background: rgba(255,255,255,0.1);
  border-color: rgba(255,255,255,0.25);
}

.text-fmt-btn.active {
  background: rgba(245, 158, 11, 0.18);
  border-color: #f59e0b;
  color: #f59e0b;
}

/* Text layer list entry */
.text-layer-entry {
  display: flex;
  align-items: center;
  gap: 0.3rem;
  padding: 0.25rem 0.4rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-light);
  background: rgba(255,255,255,0.03);
  cursor: pointer;
  transition: var(--transition-smooth);
  font-size: 0.65rem;
}

.text-layer-entry:hover {
  background: rgba(255,255,255,0.07);
}

.text-layer-entry.selected {
  border-color: #f59e0b;
  background: rgba(245,158,11,0.08);
}

.text-layer-entry .entry-label {
  flex: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  color: var(--text-secondary);
}

.text-layer-entry .entry-del {
  width: 16px;
  height: 16px;
  border-radius: 3px;
  background: rgba(239,68,68,0.15);
  border: 1px solid rgba(239,68,68,0.3);
  color: #ef4444;
  font-size: 0.6rem;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  flex-shrink: 0;
}

/* Text overlay container — sits over the canvas, matches its size */
#text-overlay-container {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
  z-index: 6;
}

/* Individual draggable text item */
.text-item {
  position: absolute;
  cursor: move;
  user-select: none;
  white-space: pre;
  pointer-events: all;
  line-height: 1.2;
  padding: 2px 4px;
  border: 1px solid transparent;
  border-radius: 3px;
  transition: border-color 0.15s;
}

.text-item:hover {
  border-color: rgba(245,158,11,0.5);
}

.text-item.selected {
  border-color: #f59e0b;
  box-shadow: 0 0 0 1px rgba(245,158,11,0.3);
}

/* --- Mobile Bottom Carousel Shelf --- */
.bottom-carousel-shelf {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: rgba(14, 19, 32, 0.95);
  backdrop-filter: blur(25px);
  -webkit-backdrop-filter: blur(25px);
  border-top: 1px solid var(--border-light);
  z-index: 50;
  padding: 1rem;
  box-shadow: 0 -10px 40px rgba(0, 0, 0, 0.5);
  display: none; /* Only visible on Mobile / JS Override */
}

.mobile-carousel-scroll {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  overflow-x: auto;
  scrollbar-width: none; /* Hide standard Firefox scrollbars */
  padding-bottom: 0.5rem;
}

.mobile-carousel-scroll::-webkit-scrollbar {
  display: none; /* Hide Chrome/Safari scrollbar */
}

/* Fixed width container inside the scrollable carousel */
.mobile-carousel-row {
  display: flex;
  gap: 0.6rem;
  min-width: max-content;
}

.mobile-carousel-row .btn-adj {
  width: 90px;
  flex-shrink: 0;
}

.mobile-carousel-row .btn-split-group {
  width: 130px;
  flex-shrink: 0;
}

.mobile-carousel-row .btn-split-group .btn-adj {
  width: auto;
}

/* --- Page Transitions and Utility States --- */
.loading-spinner {
  width: 24px;
  height: 24px;
  border: 3px solid rgba(255, 255, 255, 0.1);
  border-top: 3px solid #fff;
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

@keyframes float {
  0% { transform: translateY(0px); }
  50% { transform: translateY(-8px); }
  100% { transform: translateY(0px); }
}

/* Custom Alert Banner */
.status-banner {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  padding: 1rem 1.5rem;
  border-radius: var(--radius-md);
  z-index: 150;
  animation: slideIn 0.3s cubic-bezier(0.16, 1, 0.3, 1) forwards;
  display: none;
}

.status-banner.success {
  background: rgba(16, 185, 129, 0.95);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(16, 185, 129, 0.3);
  color: #fff;
  box-shadow: 0 10px 30px rgba(16, 185, 129, 0.3);
}

.status-banner.info {
  background: rgba(138, 43, 226, 0.95);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(138, 43, 226, 0.3);
  color: #fff;
  box-shadow: 0 10px 30px rgba(138, 43, 226, 0.3);
}

@keyframes slideIn {
  from { transform: translateY(100px); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}

/* --- Crop Tool Controls --- */
.crop-controls {
  display: none;
  flex-direction: row;
  gap: 0.5rem;
}

.crop-controls.active {
  display: flex;
}

/* --- Zoom Indicator Badge --- */
.zoom-indicator {
  position: absolute;
  bottom: 0.75rem;
  right: 0.75rem;
  background: rgba(0, 0, 0, 0.65);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  color: var(--accent-cyan);
  font-family: var(--font-body);
  font-size: 0.75rem;
  font-weight: 700;
  padding: 0.25rem 0.6rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-light);
  pointer-events: none;
  z-index: 5;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.zoom-indicator.visible {
  opacity: 1;
}

/* --- Responsive Adaptability --- */
@media (max-width: 1100px) {
  .app-container {
    grid-template-columns: 280px 1fr 0px; /* Hide right sidebar on smaller screens, move items */
  }
  
  .sidebar.right {
    position: absolute;
    right: -280px;
    width: 280px;
    z-index: 40;
    transition: var(--transition-smooth);
  }
  
  .sidebar.right.active {
    right: 0;
  }
}

@media (max-width: 768px) {
  /* Complete UI Restructure for Mobile */
  header {
    padding: 0 0.75rem;
    height: 54px;
  }
  
  .logo-image {
    height: 72px;
    transform: translate(-0.25rem, 0.25rem);
  }

  .logo-wordmark {
    height: 30px;
    padding: 0 0.55rem;
    font-size: 1.08rem;
  }

  .ad-slot-mast {
    max-width: 320px;
    height: 50px;
  }

  .ad-slot-mast::after {
    content: 'ADVERTISEMENT - 320x50 MOBILE BANNER';
    font-size: 8px;
  }

  .site-links {
    display: none;
  }

  .info-main {
    padding-top: 2rem;
  }

  .app-container {
    grid-template-columns: 1fr;
    height: calc(100vh - 70px - 140px); /* Account for bottom mobile carousel shelf */
  }

  .sidebar {
    display: none; /* Hide sidebar by default, can be toggled or features overlay */
  }

  .workspace {
    padding: 1rem;
    height: 100%;
  }

  .workspace.template-mode {
    padding: 0.75rem;
    gap: 0.5rem;
  }

  .canvas-container {
    max-height: 85%;
  }

  .workspace.template-mode .canvas-container,
  .main-image-actions {
    width: min(100%, 300px);
  }

  .layout-workspace-panel {
    width: 100%;
    padding: 0.55rem;
  }

  .layout-workspace-stage {
    min-height: 200px;
  }

  .layout-workspace-slots {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  /* Reveal Bottom Sliding Carousel */
  .bottom-carousel-shelf {
    display: block;
    height: 142px;
  }
}

/* --- Print Preview Output --- */
@page {
  margin: 0;
}

@media print {
  body, html {
    background: #ffffff !important;
    color: #000000 !important;
    height: auto !important;
    width: auto !important;
    overflow: visible !important;
    display: block !important;
    margin: 0 !important;
    padding: 0 !important;
  }

  body > :not(.app-container),
  header,
  .sidebar,
  .bottom-carousel-shelf,
  .ad-slot-mast,
  .ad-slot-sidebar,
  .header-actions,
  .site-links,
  .status-banner,
  .control-grid-wrapper,
  #desktop-controls-shelf,
  .dropzone-overlay,
  .grid-overlay,
  #text-overlay-container,
  #empty-state,
  .print-preview-actions {
    display: none !important;
  }

  .app-container,
  .workspace {
    display: block !important;
    background: #ffffff !important;
    height: auto !important;
    width: 100% !important;
    margin: 0 !important;
    padding: 0 !important;
  }

  .workspace > :not(#canvas-wrapper) {
    display: none !important;
  }

  .canvas-container {
    display: block !important;
    width: 100% !important;
    height: auto !important;
    max-height: none !important;
    margin: 0 !important;
    padding: 0 !important;
    border: none !important;
    box-shadow: none !important;
    background: none !important;
    overflow: visible !important;
  }

  canvas {
    display: block !important;
    /* Use auto so the dynamically injected mm-based print style
       (pixemon-print-page-size) takes precedence for exact physical sizing.
       Falls back to intrinsic canvas dimensions when no style is injected. */
    width: auto !important;
    max-width: 100% !important;
    height: auto !important;
    margin: 0 auto !important;
    page-break-inside: avoid;
  }
}

/* ============================================================
   Pencil Draw Tool
   ============================================================ */

/* The collapsible control panel (hidden until pencil mode active) */
.pencil-controls {
  display: none;
  flex-direction: column;
  gap: 0.5rem;
  margin-top: 0.5rem;
  padding-top: 0.5rem;
  border-top: 1px solid var(--border-light);
  animation: fadeInDown 0.2s ease both;
}

.pencil-controls.active {
  display: flex;
}

/* Color + transparent row */
.pencil-color-row {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: nowrap;
}

/* Transparent swatch button */
.pencil-transparent-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  font-size: 0.65rem;
  font-family: var(--font-body);
  color: var(--text-secondary);
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-sm);
  padding: 0.2rem 0.45rem;
  cursor: pointer;
  transition: var(--transition-smooth);
  white-space: nowrap;
  height: 24px;
  flex-shrink: 0;
}

.pencil-transparent-btn:hover {
  border-color: rgba(52, 211, 153, 0.5);
  color: #34d399;
}

.pencil-transparent-btn.active {
  border-color: #34d399;
  color: #34d399;
  background: rgba(52, 211, 153, 0.12);
  box-shadow: 0 0 8px rgba(52, 211, 153, 0.25);
}

/* The classic transparent checker pattern inside the swatch */
.transparent-checker {
  display: inline-block;
  width: 14px;
  height: 14px;
  border-radius: 2px;
  border: 1px solid rgba(255,255,255,0.2);
  background-image:
    linear-gradient(45deg, #888 25%, transparent 25%),
    linear-gradient(-45deg, #888 25%, transparent 25%),
    linear-gradient(45deg, transparent 75%, #888 75%),
    linear-gradient(-45deg, transparent 75%, #888 75%);
  background-size: 6px 6px;
  background-position: 0 0, 0 3px, 3px -3px, -3px 0px;
  background-color: #ccc;
  flex-shrink: 0;
}

/* Pencil cursor ring (follows mouse while drawing) */
#pencil-cursor-ring {
  position: fixed;
  pointer-events: none;
  border-radius: 50%;
  border: 2px solid rgba(52, 211, 153, 0.85);
  box-shadow: 0 0 6px rgba(52, 211, 153, 0.5);
  transform: translate(-50%, -50%);
  transition: width 0.1s, height 0.1s;
  z-index: 9999;
  display: none;
}

/* When pencil mode is active, show the ring */
body.pencil-mode #pencil-cursor-ring {
  display: block;
}

/* Canvas cursor override when pencil is active */
body.pencil-mode #editor-canvas {
  cursor: none !important;
}

@keyframes fadeInDown {
  from { opacity: 0; transform: translateY(-6px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ============================================================
   Unified Tools Panel — Tab Bar
   ============================================================ */

/* 3 equal-width icon-tab buttons in a row */
.tool-tab-bar {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 0.2rem;
  margin-bottom: 0.1rem;
}

.tool-tab-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.15rem;
  padding: 0.35rem 0.15rem;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  font-family: var(--font-body);
  font-size: 0.52rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  cursor: pointer;
  transition: var(--transition-smooth);
  line-height: 1;
}

.tool-tab-btn svg {
  width: 13px;
  height: 13px;
  stroke-width: 1.8;
}

.tool-tab-btn:hover:not(:disabled) {
  background: rgba(129, 140, 248, 0.12);
  border-color: rgba(129, 140, 248, 0.4);
  color: #a5b4fc;
}

.tool-tab-btn.active {
  background: rgba(129, 140, 248, 0.18);
  border-color: #818cf8;
  color: #c7d2fe;
  box-shadow: 0 0 10px rgba(129, 140, 248, 0.25);
}

/* Crop tab accent */
#tool-tab-crop.active {
  background: rgba(34, 211, 153, 0.14);
  border-color: #34d399;
  color: #6ee7b7;
  box-shadow: 0 0 10px rgba(34, 211, 153, 0.2);
}

/* Draw tab accent */
#tool-tab-pencil.active {
  background: rgba(251, 191, 36, 0.14);
  border-color: #fbbf24;
  color: #fde68a;
  box-shadow: 0 0 10px rgba(251, 191, 36, 0.2);
}

/* Text tab accent */
#tool-tab-text.active {
  background: rgba(244, 114, 182, 0.14);
  border-color: #f472b6;
  color: #fbcfe8;
  box-shadow: 0 0 10px rgba(244, 114, 182, 0.2);
}

/* Levels tab accent */
#tool-tab-levels.active {
  background: rgba(0, 242, 254, 0.14);
  border-color: #00f2fe;
  color: #a5f3fc;
  box-shadow: 0 0 10px rgba(0, 242, 254, 0.2);
}

/* HSV tab accent */
#tool-tab-chroma.active {
  background: rgba(167, 139, 250, 0.14);
  border-color: #a78bfa;
  color: #ddd6fe;
  box-shadow: 0 0 10px rgba(167, 139, 250, 0.2);
}

.tool-tab-btn:disabled {
  opacity: 0.35;
  cursor: not-allowed;
}

/* Expandable content section */
.tool-tab-content {
  display: none;
  flex-direction: column;
  gap: 0.45rem;
  margin-top: 0.6rem;
  padding-top: 0.6rem;
  border-top: 1px solid var(--border-light);
  animation: fadeInDown 0.18s ease both;
}

.tool-tab-content.active {
  display: flex;
}

/* pencil-controls is always visible inside its tab (no .active toggle needed) */
#tool-content-pencil #pencil-controls {
  display: flex !important;
  flex-direction: column;
  gap: 0.45rem;
}

/* Override old pencil-controls hide-by-default rule inside the tab */
#tool-content-pencil .pencil-controls,
#tool-content-pencil #pencil-controls {
  display: flex !important;
}

/* When package/collage preview is active, hide the image-adjustment controls shelf */
.workspace.template-mode ~ #desktop-controls-shelf {
  display: none !important;
}
/* Also hide via a data attribute set by JS */
#desktop-controls-shelf.template-hidden {
  display: none !important;
}