/* Peaceful Pixie Photo Editor - Luxury Artisan Design System */
@import url('https://fonts.googleapis.com/css2?family=Caveat:wght@600&family=Cormorant+Garamond:ital,wght@0,400;0,600;1,400&family=Inter:wght@300;400;500;600;700&family=Playfair+Display:ital,wght@0,400;0,600;0,700;1,400&display=swap');

:root {
  --font-serif: 'Playfair Display', Georgia, serif;
  --font-editorial: 'Cormorant Garamond', Georgia, serif;
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-script: 'Caveat', cursive;

  --bg-sand: #F8F6F0;
  --bg-cream: #FAF8F5;
  --bg-sidebar: #FFFFFF;
  --border-subtle: #E8E4DC;
  --border-strong: #D3CDC2;
  --text-main: #242426;
  --text-muted: #6B6861;
  --text-soft: #9E9A90;

  --brand-primary: #384A3E; /* Peaceful Botanical Green */
  --brand-primary-hover: #29372E;
  --brand-accent: #C5A869;  /* Artisan Gold */
  --brand-accent-light: #F7F3EB;
  --brand-sage: #8A9A86;
}

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

body {
  font-family: var(--font-sans);
  color: var(--text-main);
  background-color: var(--bg-sand);
  overflow: hidden;
  height: 100vh;
  width: 100vw;
  user-select: none;
}

/* App Container Layout */
#app {
  display: flex;
  flex-direction: column;
  height: 100vh;
  width: 100vw;
}

/* Header */
header {
  height: 60px;
  background-color: #FFFFFF;
  border-bottom: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;
  z-index: 20;
}

.brand-section {
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand-logo-badge {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: linear-gradient(135deg, #384A3E 0%, #5E7566 100%);
  color: #FAF7F2;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: 17px;
  box-shadow: 0 2px 6px rgba(56, 74, 62, 0.25);
}

.brand-title-group h1 {
  font-family: var(--font-serif);
  font-size: 18px;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: #242426;
  line-height: 1.1;
}

.brand-title-group .subtitle {
  font-size: 11px;
  color: var(--text-soft);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-weight: 500;
}

.header-center-info {
  display: flex;
  align-items: center;
  gap: 16px;
}

.preset-pill {
  background: #F4F1EA;
  border: 1px solid var(--border-subtle);
  padding: 4px 12px;
  border-radius: 9999px;
  font-size: 12px;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 6px;
}

.dpi-badge {
  background: #EBF1EC;
  color: var(--brand-primary);
  font-weight: 600;
  font-size: 11px;
  padding: 2px 8px;
  border-radius: 4px;
  letter-spacing: 0.05em;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

/* Button Styles */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 8px 16px;
  font-size: 13px;
  font-weight: 500;
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.15s ease-in-out;
  border: none;
  text-decoration: none;
}

.btn-secondary {
  background: #FFFFFF;
  border: 1px solid var(--border-subtle);
  color: var(--text-main);
}
.btn-secondary:hover {
  background: #F7F5F0;
  border-color: var(--border-strong);
}

.btn-primary {
  background: var(--brand-primary);
  color: #FFFFFF;
  box-shadow: 0 2px 4px rgba(56, 74, 62, 0.2);
}
.btn-primary:hover {
  background: var(--brand-primary-hover);
  box-shadow: 0 4px 8px rgba(56, 74, 62, 0.3);
}

.btn-accent {
  background: var(--brand-accent);
  color: #FFFFFF;
}
.btn-accent:hover {
  background: #B39556;
}

.btn-icon {
  padding: 8px;
  border-radius: 6px;
  color: var(--text-muted);
  background: transparent;
}
.btn-icon:hover {
  background: #EFECE6;
  color: var(--text-main);
}

/* Main Layout Area */
.main-content {
  flex: 1;
  display: flex;
  overflow: hidden;
  position: relative;
}

/* Sidebar Tabs Navigation & Panel */
.sidebar {
  width: 380px;
  min-width: 380px;
  background: #FFFFFF;
  border-right: 1px solid var(--border-subtle);
  display: flex;
  flex-direction: column;
  height: 100%;
  z-index: 10;
}

.tabs-header {
  display: flex;
  border-bottom: 1px solid var(--border-subtle);
  background: #FCFBF8;
}

.tab-btn {
  flex: 1;
  padding: 12px 6px;
  text-align: center;
  font-size: 12px;
  font-weight: 500;
  color: var(--text-soft);
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  transition: all 0.15s ease;
}

.tab-btn:hover {
  color: var(--text-main);
  background: #F7F5F0;
}

.tab-btn.active {
  color: var(--brand-primary);
  font-weight: 600;
  border-bottom-color: var(--brand-primary);
  background: #FFFFFF;
}

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

.sidebar-scroll-area {
  flex: 1;
  overflow-y: auto;
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

/* Control Group / Sections */
.control-section {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding-bottom: 18px;
  border-bottom: 1px solid #F0ECE4;
}

.control-section:last-child {
  border-bottom: none;
}

.section-title {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-soft);
  font-weight: 600;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* Card Size Presets Grid */
.preset-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 8px;
}

.size-card-btn {
  border: 1px solid var(--border-subtle);
  border-radius: 8px;
  padding: 10px 12px;
  background: #FFFFFF;
  text-align: left;
  cursor: pointer;
  transition: all 0.15s ease;
}

.size-card-btn:hover {
  border-color: var(--brand-accent);
  background: #FCFBF9;
}

.size-card-btn.active {
  border-color: var(--brand-primary);
  background: #F3F7F4;
  box-shadow: 0 0 0 1px var(--brand-primary);
}

.size-card-title {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-main);
}

.size-card-desc {
  font-size: 11px;
  color: var(--text-soft);
  margin-top: 2px;
}

/* Orientation Switcher */
.segment-control {
  display: flex;
  background: #EFECE6;
  padding: 3px;
  border-radius: 8px;
  gap: 2px;
}

.segment-btn {
  flex: 1;
  border: none;
  background: transparent;
  padding: 6px 10px;
  font-size: 12px;
  font-weight: 500;
  color: var(--text-muted);
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.15s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
}

.segment-btn.active {
  background: #FFFFFF;
  color: var(--text-main);
  font-weight: 600;
  box-shadow: 0 1px 3px rgba(0,0,0,0.08);
}

/* Slider Controls */
.slider-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.slider-label-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 12px;
}

.slider-label {
  color: var(--text-main);
  font-weight: 500;
}

.slider-val-badge {
  font-family: monospace;
  font-size: 11px;
  color: var(--brand-primary);
  background: #F0F4F1;
  padding: 2px 6px;
  border-radius: 4px;
}

input[type="range"] {
  -webkit-appearance: none;
  width: 100%;
  height: 6px;
  background: #E5E1D8;
  border-radius: 3px;
  outline: none;
}

input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--brand-primary);
  cursor: pointer;
  box-shadow: 0 1px 3px rgba(0,0,0,0.2);
  transition: transform 0.1s;
}

input[type="range"]::-webkit-slider-thumb:hover {
  transform: scale(1.15);
}

/* Color Swatches Grid */
.color-swatch-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 8px;
}

.color-swatch-btn {
  width: 100%;
  aspect-ratio: 1;
  border-radius: 8px;
  border: 2px solid var(--border-subtle);
  cursor: pointer;
  position: relative;
  transition: transform 0.1s, border-color 0.1s;
}

.color-swatch-btn:hover {
  transform: scale(1.06);
}

.color-swatch-btn.active {
  border-color: var(--brand-primary);
  box-shadow: 0 0 0 2px rgba(56, 74, 62, 0.3);
}

.color-swatch-btn.active::after {
  content: '✓';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-size: 12px;
  font-weight: bold;
  color: var(--text-main);
  text-shadow: 0 0 3px #FFFFFF;
}

/* Canvas Workspace Viewport */
.canvas-workspace {
  flex: 1;
  background-color: #EAE6DD;
  background-image: radial-gradient(#D5CFC2 1px, transparent 0);
  background-size: 20px 20px;
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  cursor: default;
}

.canvas-wrapper {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 40px;
  max-width: 100%;
  max-height: 100%;
}

#card-canvas {
  box-shadow: 0 20px 45px -10px rgba(0, 0, 0, 0.22), 0 0 0 1px rgba(0,0,0,0.06);
  border-radius: 2px;
  background: #FFFFFF;
  max-width: 80vw;
  max-height: 75vh;
  object-fit: contain;
  cursor: grab;
  touch-action: none;
  -webkit-touch-callout: none;
  -webkit-user-select: none;
  user-select: none;
}

#card-canvas.is-dragging {
  cursor: grabbing;
}

.mobile-only-btn {
  display: none;
}

.batch-tray-header-mobile {
  display: none;
}

/* Canvas Floating Toolbar */
.floating-canvas-toolbar {
  position: absolute;
  top: 20px;
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(8px);
  border: 1px solid var(--border-subtle);
  border-radius: 30px;
  padding: 6px 14px;
  display: flex;
  align-items: center;
  gap: 12px;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.07);
  z-index: 5;
}

.canvas-dimension-pill {
  font-size: 12px;
  font-weight: 500;
  color: var(--text-muted);
}

.canvas-controls-group {
  display: flex;
  align-items: center;
  gap: 4px;
}

/* Bottom Batch Tray */
.batch-tray {
  height: 110px;
  background: #FFFFFF;
  border-top: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  padding: 10px 20px;
  gap: 16px;
  z-index: 15;
}

.batch-tray-info {
  display: flex;
  flex-direction: column;
  gap: 4px;
  min-width: 140px;
}

.batch-tray-title {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-main);
  display: flex;
  align-items: center;
  gap: 6px;
}

.batch-tray-count {
  font-size: 11px;
  color: var(--text-soft);
}

.batch-filmstrip {
  flex: 1;
  display: flex;
  align-items: center;
  gap: 10px;
  overflow-x: auto;
  padding: 4px 2px;
}

.batch-thumb-item {
  width: 72px;
  height: 72px;
  border-radius: 6px;
  border: 2px solid var(--border-subtle);
  overflow: hidden;
  position: relative;
  cursor: pointer;
  flex-shrink: 0;
  transition: all 0.15s ease;
  background: #FAF8F5;
}

.batch-thumb-item:hover {
  border-color: var(--border-strong);
  transform: translateY(-2px);
}

.batch-thumb-item.active {
  border-color: var(--brand-primary);
  box-shadow: 0 0 0 2px rgba(56, 74, 62, 0.25);
}

.batch-thumb-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.batch-thumb-remove {
  position: absolute;
  top: 2px;
  right: 2px;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: rgba(0, 0, 0, 0.65);
  color: #FFFFFF;
  font-size: 11px;
  display: none;
  align-items: center;
  justify-content: center;
  border: none;
  cursor: pointer;
}

.batch-thumb-item:hover .batch-thumb-remove {
  display: flex;
}

.batch-add-btn {
  width: 72px;
  height: 72px;
  border-radius: 6px;
  border: 2px dashed var(--border-strong);
  background: #FCFBF8;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
  font-size: 11px;
  color: var(--text-muted);
  cursor: pointer;
  flex-shrink: 0;
  transition: all 0.15s ease;
}

.batch-add-btn:hover {
  border-color: var(--brand-primary);
  color: var(--brand-primary);
  background: #F3F7F4;
}

.batch-actions {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

/* Modal Overlay */
.modal-backdrop {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(36, 36, 38, 0.6);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 100;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease;
}

.modal-backdrop.open {
  opacity: 1;
  pointer-events: auto;
}

.modal-dialog {
  background: #FFFFFF;
  border-radius: 12px;
  width: 480px;
  max-width: 90vw;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.modal-header {
  padding: 16px 20px;
  border-bottom: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.modal-header h3 {
  font-family: var(--font-serif);
  font-size: 18px;
  color: var(--text-main);
}

.modal-body {
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.modal-footer {
  padding: 14px 20px;
  background: #FAF8F5;
  border-top: 1px solid var(--border-subtle);
  display: flex;
  justify-content: flex-end;
  gap: 10px;
}

/* Utility Checkbox & Inputs */
.form-check {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  cursor: pointer;
}

.form-input {
  width: 100%;
  padding: 8px 12px;
  border: 1px solid var(--border-subtle);
  border-radius: 6px;
  font-size: 13px;
  color: var(--text-main);
  background: #FFFFFF;
  outline: none;
}

.form-input:focus {
  border-color: var(--brand-primary);
  box-shadow: 0 0 0 2px rgba(56, 74, 62, 0.15);
}

/* Toast Notifications */
#toast-container {
  position: fixed;
  bottom: 125px;
  right: 24px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  z-index: 999;
}

.toast {
  background: #2B2B2D;
  color: #FAF8F5;
  padding: 10px 16px;
  border-radius: 8px;
  font-size: 13px;
  box-shadow: 0 6px 16px rgba(0,0,0,0.2);
  display: flex;
  align-items: center;
  gap: 10px;
  animation: slideUp 0.25s ease-out;
}

@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ==========================================================================
   Mobile & Responsive Tablet Styling
   ========================================================================== */
/* ==========================================================================
   Mobile & Responsive Tablet Styling (<= 1024px)
   ========================================================================== */
@media (max-width: 1024px) {
  html, body {
    height: 100%;
    height: 100dvh;
    overflow: hidden;
  }

  #app {
    height: 100%;
    height: 100dvh;
    display: flex;
    flex-direction: column;
    overflow: hidden;
  }

  /* Header on Mobile */
  header {
    height: 52px;
    min-height: 52px;
    padding: 0 12px;
    gap: 8px;
    flex-shrink: 0;
  }

  .brand-section {
    gap: 8px;
  }

  .brand-logo-badge {
    width: 28px;
    height: 28px;
    font-size: 14px;
    flex-shrink: 0;
  }

  .brand-title-group h1 {
    font-size: 15px;
    white-space: nowrap;
  }

  .brand-title-group .subtitle {
    display: none;
  }

  .header-center-info {
    display: none;
  }

  .header-actions {
    gap: 6px;
  }

  .btn {
    padding: 6px 10px;
    font-size: 12px;
  }

  /* Main Workspace Layout: Stacks Canvas ON TOP, Controls UNDERNEATH */
  .main-content {
    flex-direction: column !important;
    flex: 1 1 0 !important;
    min-height: 0 !important;
    overflow: hidden !important;
    display: flex !important;
    position: relative !important;
  }

  /* 1. Canvas Viewport: Prominently displayed on top */
  .canvas-workspace {
    order: 1 !important;
    flex: 0 0 42dvh !important;
    min-height: 200px !important;
    max-height: 46dvh !important;
    width: 100% !important;
    padding: 4px !important;
    background-size: 16px 16px;
    position: relative !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    overflow: hidden !important;
  }

  .canvas-wrapper {
    padding: 6px !important;
    width: 100% !important;
    height: 100% !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    overflow: hidden !important;
  }

  #card-canvas {
    width: auto !important;
    height: auto !important;
    max-width: 90vw !important;
    max-height: 35dvh !important;
    object-fit: contain !important;
    display: block !important;
    margin: 0 auto !important;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2) !important;
  }

  .floating-canvas-toolbar {
    top: 6px;
    padding: 3px 10px;
    gap: 8px;
  }

  .canvas-dimension-pill {
    font-size: 10px;
  }

  .mobile-only-btn {
    display: inline-flex !important;
  }

  /* 2. Sidebar Controls: Underneath canvas, smoothly scrollable */
  .sidebar {
    order: 2 !important;
    width: 100% !important;
    min-width: 0 !important;
    max-width: 100% !important;
    flex: 1 1 0 !important;
    min-height: 0 !important;
    height: auto !important;
    border-right: none !important;
    border-top: 1px solid var(--border-subtle) !important;
    display: flex !important;
    flex-direction: column !important;
    overflow: hidden !important;
    background: #FFFFFF !important;
  }

  .tabs-header {
    flex-shrink: 0 !important;
    overflow-x: auto !important;
    overflow-y: hidden !important;
    flex-wrap: nowrap !important;
    -webkit-overflow-scrolling: touch !important;
    scrollbar-width: none !important;
    background: #FAF8F5 !important;
    display: flex !important;
    width: 100% !important;
    border-bottom: 1px solid var(--border-subtle) !important;
  }

  .tabs-header::-webkit-scrollbar {
    display: none !important;
  }

  .tab-btn {
    flex: 1 0 auto !important;
    min-width: 64px !important;
    padding: 9px 6px !important;
    font-size: 11px !important;
    gap: 2px !important;
  }

  .sidebar-scroll-area {
    flex: 1 1 0 !important;
    min-height: 0 !important;
    overflow-y: auto !important;
    -webkit-overflow-scrolling: touch !important;
    padding: 14px 16px 28px 16px !important;
    gap: 16px !important;
  }

  /* Fullscreen Preview Mode (Toggleable on Mobile) */
  #app.preview-fullscreen #editor-sidebar {
    display: none !important;
  }

  #app.preview-fullscreen #batch-tray {
    display: none !important;
  }

  #app.preview-fullscreen .canvas-workspace {
    order: 1 !important;
    flex: 1 1 0 !important;
    max-height: 100% !important;
    height: 100% !important;
  }

  #app.preview-fullscreen #card-canvas {
    max-height: 80dvh !important;
    max-width: 94vw !important;
  }

  /* Finger-friendly controls */
  input[type="range"] {
    height: 8px;
  }

  input[type="range"]::-webkit-slider-thumb {
    width: 22px;
    height: 22px;
  }

  .segment-btn {
    padding: 8px 6px;
    font-size: 12px;
  }

  .color-swatch-grid {
    grid-template-columns: repeat(5, 1fr);
    gap: 6px;
  }

  .preset-grid {
    gap: 6px;
  }

  .size-card-btn {
    padding: 8px 10px;
  }

  /* 3. Mobile Batch Tray Drawer (Collapsed by default, tap to expand) */
  .batch-tray {
    flex-shrink: 0 !important;
    height: 42px !important;
    padding: 3px 10px !important;
    flex-direction: column !important;
    align-items: stretch !important;
    transition: height 0.22s ease-in-out !important;
    background: #FAF8F5 !important;
    position: relative !important;
    overflow: hidden !important;
  }

  .batch-tray-header-mobile {
    display: block !important;
    width: 100% !important;
  }

  .mobile-tray-toggle {
    width: 100% !important;
    display: flex !important;
    justify-content: space-between !important;
    align-items: center !important;
    padding: 6px 12px !important;
    font-size: 11px !important;
    font-weight: 600 !important;
    background: #FFFFFF !important;
    border: 1px solid var(--border-subtle) !important;
    border-radius: 6px !important;
    color: var(--text-main) !important;
  }

  .mobile-tray-toggle .chevron-icon {
    transition: transform 0.2s ease !important;
  }

  .batch-tray-info,
  .batch-filmstrip,
  .batch-actions {
    display: none !important;
  }

  /* Expanded Batch Tray */
  .batch-tray.expanded {
    height: 154px !important;
    background: #FFFFFF !important;
    box-shadow: 0 -6px 20px rgba(0, 0, 0, 0.12) !important;
  }

  .batch-tray.expanded .mobile-tray-toggle .chevron-icon {
    transform: rotate(180deg) !important;
  }

  .batch-tray.expanded .batch-filmstrip {
    display: flex !important;
    padding: 6px 0 !important;
  }

  .batch-tray.expanded .batch-thumb-item,
  .batch-tray.expanded .batch-add-btn {
    width: 52px !important;
    height: 52px !important;
  }

  .batch-tray.expanded .batch-actions {
    display: flex !important;
    flex-direction: row !important;
    justify-content: space-between !important;
    gap: 8px !important;
    padding-top: 4px !important;
  }

  .batch-tray.expanded .batch-actions .btn {
    flex: 1 !important;
    padding: 6px 8px !important;
    font-size: 11px !important;
  }

  /* Toasts on mobile */
  #toast-container {
    bottom: 52px !important;
    left: 12px !important;
    right: 12px !important;
    align-items: center !important;
  }

  .toast {
    width: 100% !important;
    max-width: 360px !important;
    font-size: 12px !important;
    justify-content: center !important;
    padding: 8px 12px !important;
  }
}

/* Extra small devices (phones under 440px) */
@media (max-width: 440px) {
  .btn-label {
    display: none !important;
  }
  .btn {
    padding: 7px 9px !important;
  }
  .header-actions {
    gap: 4px !important;
  }
}