/* ==========================================================================
   DocuNext - Modern Neobrutalism Design System (Zero CDN / 100% Offline)
   High-contrast, bold, raw, unapologetically digital.
   ========================================================================== */

:root {
  /* Neobrutalist Vibrant Palette */
  --neo-yellow: #FFE600;
  --neo-cyan: #00F0FF;
  --neo-pink: #FF3399;
  --neo-green: #00FF66;
  --neo-orange: #FF7A00;
  --neo-purple: #9D4EDD;
  --neo-white: #FFFFFF;
  --neo-black: #000000;
  --neo-bg: #FAF7F0;
  --neo-border: #000000;

  /* Theme Mapping */
  --bg-app: var(--neo-bg);
  --bg-surface: #FFFFFF;
  --bg-card: #FFFFFF;
  --bg-elevated: #F4EFE6;
  --border-color: var(--neo-black);
  --border-focus: var(--neo-black);
  --text-main: #000000;
  --text-muted: #262626;
  --text-dim: #525252;
  --primary: var(--neo-yellow);
  --primary-hover: #F2D800;
  --secondary: var(--neo-cyan);
  --accent: var(--neo-pink);
  --success: var(--neo-green);
  --warning: var(--neo-orange);
  --danger: #FF334B;

  /* Neobrutalism Geometry & Hard Shadows */
  --radius-sm: 0px;
  --radius-md: 2px;
  --radius-lg: 4px;
  --border-thick: 3px solid #000000;
  --border-mid: 2px solid #000000;
  --border-heavy: 4px solid #000000;

  --shadow-hard-sm: 2px 2px 0px #000000;
  --shadow-hard: 4px 4px 0px #000000;
  --shadow-hard-lg: 6px 6px 0px #000000;
  --shadow-hard-xl: 8px 8px 0px #000000;

  --font-sans: "Space Grotesk", Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
  --font-mono: "Courier New", Courier, monospace;
}

/* Reset & Base */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: var(--font-sans);
  background-color: var(--bg-app);
  background-image: 
    linear-gradient(to right, rgba(0, 0, 0, 0.06) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(0, 0, 0, 0.06) 1px, transparent 1px);
  background-size: 24px 24px;
  color: var(--text-main);
  line-height: 1.4;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
  font-weight: 500;
}

/* Scrollbar Customization */
::-webkit-scrollbar {
  width: 10px;
  height: 10px;
}
::-webkit-scrollbar-track {
  background: #EDE8DC;
  border-left: 2px solid #000;
}
::-webkit-scrollbar-thumb {
  background: #000000;
  border: 1px solid #FAF7F0;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--neo-pink);
}

/* ==========================================================================
   Header & Navigation
   ========================================================================== */
.app-header {
  background-color: var(--neo-yellow);
  border-bottom: var(--border-thick);
  padding: 8px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
  flex-shrink: 0;
  box-shadow: 0 4px 0px rgba(0, 0, 0, 0.15);
  z-index: 100;
  position: relative;
}

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

.brand-icon {
  width: 32px;
  height: 32px;
  fill: #000000;
  filter: drop-shadow(2px 2px 0px #FFFFFF);
}

.brand-title {
  font-size: 1.35rem;
  font-weight: 900;
  letter-spacing: -0.5px;
  color: #000000;
  display: flex;
  align-items: center;
  gap: 10px;
  text-transform: uppercase;
}

.brand-tag {
  font-size: 0.7rem;
  font-weight: 800;
  background-color: #000000;
  color: var(--neo-cyan);
  padding: 2px 8px;
  border: 1.5px solid #000000;
  box-shadow: 2px 2px 0px #FFFFFF;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* Stepper Navigation */
.stepper-nav {
  display: flex;
  align-items: center;
  gap: 8px;
}

.step-btn {
  background-color: #FFFFFF;
  border: var(--border-mid);
  color: #000000;
  padding: 6px 14px;
  font-size: 0.85rem;
  font-weight: 800;
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  box-shadow: var(--shadow-hard-sm);
  transition: transform 0.1s ease, box-shadow 0.1s ease, background-color 0.1s ease;
  text-transform: uppercase;
}

.step-btn:hover {
  transform: translate(-1px, -1px);
  box-shadow: 3px 3px 0px #000000;
  background-color: #FFFDF0;
}

.step-btn:active {
  transform: translate(2px, 2px);
  box-shadow: 0px 0px 0px #000000;
}

.step-btn.active {
  background-color: var(--neo-pink);
  color: #FFFFFF;
  border: var(--border-thick);
  box-shadow: var(--shadow-hard);
  transform: translate(-1px, -1px);
}

.step-num {
  width: 22px;
  height: 22px;
  background-color: #000000;
  color: #FFFFFF;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
  font-weight: 900;
  border: 1px solid #000000;
}

.step-btn.active .step-num {
  background-color: #FFFFFF;
  color: #000000;
}

/* Header Actions */
.header-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

/* Header Dropdowns */
.dropdown-wrapper {
  position: relative;
}

.header-dropdown-menu {
  position: absolute;
  top: calc(100% + 6px);
  right: 0;
  background-color: #FFFFFF;
  border: var(--border-thick);
  box-shadow: var(--shadow-hard);
  padding: 12px;
  min-width: 220px;
  display: none;
  flex-direction: column;
  gap: 6px;
  z-index: 1000;
  animation: slideIn 0.15s ease-out;
}

.header-dropdown-menu.show {
  display: flex;
}

.dropdown-item-btn {
  background-color: #FFFFFF;
  border: var(--border-mid);
  padding: 8px 12px;
  font-size: 0.8rem;
  font-weight: 800;
  text-align: left;
  cursor: pointer;
  box-shadow: var(--shadow-hard-sm);
  display: flex;
  align-items: center;
  gap: 8px;
  transition: transform 0.08s ease, background-color 0.08s ease;
  text-transform: uppercase;
  font-family: var(--font-sans);
}

.dropdown-item-btn:hover {
  background-color: var(--neo-yellow);
  transform: translate(-1px, -1px);
  box-shadow: 3px 3px 0px #000;
}

.dropdown-item-btn:active {
  transform: translate(1px, 1px);
  box-shadow: 0px 0px 0px #000;
}

/* Tactile Neobrutalist Switch Toggle */
.switch-toggle {
  position: relative;
  display: inline-block;
  width: 50px;
  height: 26px;
  flex-shrink: 0;
}

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

.slider-round {
  position: absolute;
  cursor: pointer;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: #EDE8DC;
  border: 2px solid #000000;
  box-shadow: 2px 2px 0px #000000;
  transition: 0.2s;
  border-radius: 20px;
}

.slider-round:before {
  position: absolute;
  content: "";
  height: 16px;
  width: 16px;
  left: 3px;
  bottom: 3px;
  background-color: #000000;
  border-radius: 50%;
  transition: 0.2s;
}

.switch-toggle input:checked + .slider-round {
  background-color: var(--neo-green);
}

.switch-toggle input:checked + .slider-round:before {
  transform: translateX(24px);
  background-color: #000000;
}

/* ==========================================================================
   Buttons (Neobrutalism Boxy & Tactile)
   ========================================================================== */
.btn {
  border: var(--border-mid);
  padding: 6px 14px;
  font-size: 0.85rem;
  font-weight: 800;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  cursor: pointer;
  box-shadow: var(--shadow-hard-sm);
  transition: transform 0.08s ease, box-shadow 0.08s ease;
  text-decoration: none;
  font-family: var(--font-sans);
  text-transform: uppercase;
  letter-spacing: 0.2px;
}

.btn:hover:not(:disabled) {
  transform: translate(-2px, -2px);
  box-shadow: var(--shadow-hard);
}

.btn:active:not(:disabled) {
  transform: translate(2px, 2px);
  box-shadow: 0px 0px 0px #000000;
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  box-shadow: none;
  background-color: #D4CEBE !important;
  color: #555555 !important;
  border-color: #888888 !important;
}

.btn-primary {
  background-color: var(--neo-green);
  color: #000000;
}
.btn-primary:hover:not(:disabled) {
  background-color: #00E65C;
}

.btn-secondary {
  background-color: #FFFFFF;
  color: #000000;
}
.btn-secondary:hover:not(:disabled) {
  background-color: #F4F0E6;
}

.btn-success {
  background-color: var(--neo-green);
  color: #000000;
}

.btn-danger {
  background-color: var(--danger);
  color: #FFFFFF;
}
.btn-danger:hover:not(:disabled) {
  background-color: #E6001E;
}

.btn-sm {
  padding: 4px 8px;
  font-size: 0.75rem;
}

/* Custom Neo Color Buttons */
.btn-neo-yellow {
  background-color: var(--neo-yellow);
  color: #000000;
}
.btn-neo-cyan {
  background-color: var(--neo-cyan);
  color: #000000;
}
.btn-neo-pink {
  background-color: var(--neo-pink);
  color: #FFFFFF;
}

/* Form Inputs & Selects */
.text-input,
.select-input {
  background-color: #FFFFFF;
  border: var(--border-mid);
  color: #000000;
  padding: 6px 10px;
  font-size: 0.85rem;
  font-family: var(--font-sans);
  font-weight: 600;
  width: 100%;
  box-shadow: var(--shadow-hard-sm);
  outline: none;
}

.text-input:focus,
.select-input:focus {
  background-color: #FFFFFA;
  box-shadow: var(--shadow-hard);
  border-color: #000000;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.form-label {
  font-size: 0.75rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: #000000;
}

.input-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.checkbox-label {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.82rem;
  font-weight: 700;
  cursor: pointer;
  user-select: none;
}
.checkbox-label input[type="checkbox"],
.checkbox-label input[type="radio"] {
  accent-color: #000000;
  width: 16px;
  height: 16px;
  cursor: pointer;
}

/* ==========================================================================
   Workspace & Views
   ========================================================================== */
.app-workspace {
  flex: 1;
  display: flex;
  overflow: hidden;
  position: relative;
}

.view-panel {
  flex: 1;
  display: none !important;
  height: 100%;
  overflow: auto;
}
.view-panel.active {
  display: flex !important;
}

/* ==========================================================================
   STEP 1: UPLOAD VIEW
   ========================================================================== */
#view-upload {
  padding: 36px 24px;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
  gap: 28px;
  max-width: 1100px;
  margin: 0 auto;
  width: 100%;
}

.upload-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
  width: 100%;
}

.upload-card {
  background-color: #FFFFFF;
  border: var(--border-thick);
  box-shadow: var(--shadow-hard-lg);
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 18px;
  position: relative;
}

.upload-card::before {
  content: "";
  position: absolute;
  top: -8px;
  right: 18px;
  width: 40px;
  height: 14px;
  background-color: rgba(0, 0, 0, 0.2);
  transform: rotate(-3deg);
  pointer-events: none;
}

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: var(--border-mid);
  padding-bottom: 12px;
}

.card-title {
  font-size: 1.15rem;
  font-weight: 900;
  text-transform: uppercase;
  color: #000000;
  display: flex;
  align-items: center;
  gap: 8px;
}

.dropzone {
  border: 3px dashed #000000;
  background-color: #FAF7F0;
  padding: 36px 20px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 10px;
  cursor: pointer;
  transition: transform 0.1s ease, background-color 0.1s ease, box-shadow 0.1s ease;
  text-align: center;
}

.dropzone:hover {
  background-color: #FFFDE6;
  border-color: #000000;
  transform: translate(-2px, -2px);
  box-shadow: var(--shadow-hard-sm);
}

.dropzone.dragover {
  background-color: var(--neo-cyan);
  border-style: solid;
  border-color: #000000;
}

.dropzone svg {
  width: 44px;
  height: 44px;
  fill: #000000;
}

.file-info-badge {
  background-color: var(--neo-green);
  border: var(--border-mid);
  padding: 10px 14px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  box-shadow: var(--shadow-hard-sm);
  font-weight: 700;
}

/* AcroForm Matching Table */
.mapping-box {
  width: 100%;
  background-color: #FFFFFF;
  border: var(--border-thick);
  box-shadow: var(--shadow-hard-lg);
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.mapping-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.85rem;
  border: var(--border-mid);
}

.mapping-table th {
  background-color: var(--neo-yellow);
  color: #000000;
  padding: 10px 12px;
  border: var(--border-mid);
  font-weight: 900;
  text-transform: uppercase;
  text-align: left;
}

.mapping-table td {
  padding: 10px 12px;
  border: var(--border-mid);
  background-color: #FFFFFF;
}

.mapping-table tr:nth-child(even) td {
  background-color: #FAF7F0;
}

/* ==========================================================================
   STEP 2: CANVAS & EDITOR VIEW
   ========================================================================== */
#view-editor {
  flex-direction: row;
  height: 100%;
  overflow: hidden;
  width: 100%;
}

/* Left Sidebar */
.editor-sidebar-left {
  width: 250px;
  background-color: #FFFFFF;
  border-right: var(--border-thick);
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
  box-shadow: 2px 0 0px #000000;
  z-index: 10;
}

.editor-sidebar-right {
  width: 320px;
  background-color: #FFFFFF;
  border-left: var(--border-thick);
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
  padding: 16px;
  overflow-y: auto;
  box-shadow: -2px 0 0px #000000;
  z-index: 10;
}

.sidebar-section {
  padding: 14px;
  border-bottom: var(--border-mid);
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.sidebar-title {
  font-size: 0.85rem;
  font-weight: 900;
  text-transform: uppercase;
  color: #000000;
  display: flex;
  align-items: center;
  justify-content: space-between;
  letter-spacing: 0.5px;
}

.column-chips-container {
  display: flex;
  flex-direction: column;
  gap: 8px;
  max-height: 240px;
  overflow-y: auto;
  padding: 4px 2px;
}

/* Modular Neobrutalist Column Chips */
.column-chip {
  background-color: var(--neo-cyan);
  border: var(--border-mid);
  color: #000000;
  padding: 6px 10px;
  font-size: 0.8rem;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: grab;
  user-select: none;
  box-shadow: var(--shadow-hard-sm);
  transition: transform 0.08s ease, box-shadow 0.08s ease;
}

.column-chip:nth-child(2n) {
  background-color: var(--neo-yellow);
}
.column-chip:nth-child(3n) {
  background-color: var(--neo-pink);
  color: #FFFFFF;
}
.column-chip:nth-child(4n) {
  background-color: var(--neo-green);
  color: #000000;
}

.column-chip:hover {
  transform: translate(-2px, -2px);
  box-shadow: var(--shadow-hard);
}

.column-chip:active {
  cursor: grabbing;
  transform: translate(2px, 2px);
  box-shadow: 0px 0px 0px #000;
}

.chip-handle {
  font-weight: 900;
  color: inherit;
  opacity: 0.7;
}

.placed-fields-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
  overflow-y: auto;
  flex: 1;
  padding: 2px;
}

.placed-field-item {
  background-color: #FAF7F0;
  border: var(--border-mid);
  padding: 8px 10px;
  font-size: 0.8rem;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
  box-shadow: var(--shadow-hard-sm);
}

.placed-field-item:hover {
  background-color: #FFFDE6;
}

.placed-field-item.active {
  background-color: var(--neo-yellow);
  border: var(--border-thick);
  box-shadow: var(--shadow-hard);
}

/* Canvas Area */
.canvas-container {
  flex: 1;
  background-color: #ECE7DA;
  background-image: 
    linear-gradient(to right, rgba(0, 0, 0, 0.08) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(0, 0, 0, 0.08) 1px, transparent 1px);
  background-size: 20px 20px;
  display: flex;
  flex-direction: column;
  position: relative;
  overflow: hidden;
}

.canvas-toolbar {
  height: 52px;
  background-color: #FFFFFF;
  border-bottom: var(--border-thick);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 16px;
  flex-shrink: 0;
  gap: 12px;
  box-shadow: 0 2px 0px #000000;
  z-index: 20;
}

.toolbar-group {
  display: flex;
  align-items: center;
  gap: 8px;
}

.zoom-btn {
  width: 28px;
  height: 28px;
  background-color: #FFFFFF;
  border: var(--border-mid);
  color: #000000;
  font-weight: 900;
  font-size: 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  box-shadow: var(--shadow-hard-sm);
}
.zoom-btn:hover {
  background-color: var(--neo-yellow);
  transform: translate(-1px, -1px);
}
.zoom-btn:active {
  transform: translate(1px, 1px);
  box-shadow: none;
}

.canvas-scroll-viewport {
  flex: 1;
  overflow: auto;
  position: relative;
  display: block;
  padding: 40px;
}

/* Canvas Stage - Framed with Signature Brutalist Shadow */
.canvas-stage {
  position: relative;
  background-color: #FFFFFF;
  border: var(--border-thick);
  box-shadow: var(--shadow-hard-xl);
  margin: 0 auto;
  user-select: none;
  -webkit-user-select: none;
}

.canvas-stage * {
  user-select: none;
  -webkit-user-select: none;
}

.canvas-bg-img {
  width: 100%;
  height: 100%;
  display: block;
  pointer-events: none;
  user-select: none;
  -webkit-user-select: none;
  -webkit-user-drag: none;
  object-fit: fill;
}

/* Placed Fields Overlay on Canvas */
.overlay-field {
  position: absolute;
  border: 2px solid #000000;
  background-color: rgba(0, 240, 255, 0.22);
  cursor: grab;
  display: flex;
  align-items: center;
  box-sizing: border-box;
  padding: 2px 6px;
  z-index: 10;
  user-select: none;
  -webkit-user-select: none;
  -webkit-user-drag: none;
  touch-action: none;
  will-change: left, top, width, height;
}

.overlay-field:active {
  cursor: grabbing;
}

.overlay-field.active {
  border: 3px solid #000000;
  background-color: rgba(255, 230, 0, 0.35);
  box-shadow: 3px 3px 0px #000000;
  z-index: 20;
}

.field-badge {
  position: absolute;
  top: -22px;
  left: -2px;
  background-color: var(--neo-yellow);
  color: #000000;
  border: 2px solid #000000;
  font-size: 9px;
  font-weight: 900;
  padding: 1px 6px;
  white-space: nowrap;
  pointer-events: none;
  box-shadow: 1px 1px 0px #000000;
  text-transform: uppercase;
}

.field-text-preview {
  width: 100%;
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
  pointer-events: none;
  font-weight: 700;
}

/* Resize Handles */
.resize-handle {
  position: absolute;
  width: 10px;
  height: 10px;
  background-color: #FFFFFF;
  border: 2px solid #000000;
  z-index: 30;
  touch-action: none;
  user-select: none;
  -webkit-user-select: none;
  -webkit-user-drag: none;
  box-shadow: 1px 1px 0px #000000;
}

.resize-handle.nw { top: -5px; left: -5px; cursor: nwse-resize; }
.resize-handle.ne { top: -5px; right: -5px; cursor: nesw-resize; }
.resize-handle.se { bottom: -5px; right: -5px; cursor: nwse-resize; }
.resize-handle.sw { bottom: -5px; left: -5px; cursor: nesw-resize; }
.resize-handle.n { top: -5px; left: calc(50% - 5px); cursor: ns-resize; }
.resize-handle.s { bottom: -5px; left: calc(50% - 5px); cursor: ns-resize; }
.resize-handle.w { top: calc(50% - 5px); left: -5px; cursor: ew-resize; }
.resize-handle.e { top: calc(50% - 5px); right: -5px; cursor: ew-resize; }

/* AcroForm Outline indicator on Canvas */
.acroform-outline {
  position: absolute;
  border: 2px dashed #000000;
  background-color: rgba(0, 255, 102, 0.2);
  pointer-events: auto;
  cursor: pointer;
}
.acroform-outline-tag {
  position: absolute;
  top: -18px;
  left: 0;
  background-color: var(--neo-green);
  color: #000000;
  border: 1.5px solid #000000;
  font-size: 8px;
  font-weight: 900;
  padding: 0 4px;
  white-space: nowrap;
  box-shadow: 1px 1px 0px #000000;
  text-transform: uppercase;
}

/* Property Inspector */
.font-size-stepper {
  display: flex;
  align-items: center;
  gap: 4px;
}

.font-presets {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  margin-top: 6px;
}

.font-preset-btn {
  background-color: #FFFFFF;
  border: 1.5px solid #000000;
  padding: 2px 6px;
  font-size: 0.72rem;
  font-weight: 800;
  cursor: pointer;
  box-shadow: 1px 1px 0px #000000;
}

.font-preset-btn.active,
.font-preset-btn:hover {
  background-color: var(--neo-yellow);
  transform: translate(-1px, -1px);
}

.btn-group {
  display: flex;
  border: var(--border-mid);
  box-shadow: var(--shadow-hard-sm);
  background-color: #FFFFFF;
}

.btn-group-item {
  flex: 1;
  background-color: #FFFFFF;
  border: none;
  border-right: var(--border-mid);
  padding: 6px 8px;
  font-size: 0.85rem;
  font-weight: 800;
  cursor: pointer;
  text-align: center;
}
.btn-group-item:last-child {
  border-right: none;
}
.btn-group-item:hover {
  background-color: #FFFDE6;
}
.btn-group-item.active {
  background-color: var(--neo-pink);
  color: #FFFFFF;
}

.color-picker-wrapper {
  display: flex;
  gap: 8px;
  align-items: center;
}

.color-input {
  width: 38px;
  height: 34px;
  padding: 0;
  border: var(--border-mid);
  box-shadow: var(--shadow-hard-sm);
  cursor: pointer;
  background: none;
}

.color-swatches {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 6px;
}

.color-swatch-btn {
  width: 22px;
  height: 22px;
  border: 1.5px solid #000000;
  box-shadow: 1px 1px 0px #000000;
  cursor: pointer;
  transition: transform 0.08s ease;
}

.color-swatch-btn:hover {
  transform: scale(1.15);
}

.color-swatch-btn.active {
  border: 2.5px solid #000000;
  outline: 2px solid var(--neo-pink);
}

/* ==========================================================================
   STEP 3: GENERATE & EXPORT VIEW
   ========================================================================== */
#view-generate {
  padding: 36px 24px;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
  gap: 24px;
  max-width: 900px;
  margin: 0 auto;
  width: 100%;
}

.config-card {
  background-color: #FFFFFF;
  border: var(--border-thick);
  box-shadow: var(--shadow-hard-lg);
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 20px;
  width: 100%;
}

.chips-suggestions {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 6px;
}

.tag-chip {
  background-color: #FFFFFF;
  border: 1.5px solid #000000;
  padding: 2px 8px;
  font-size: 0.75rem;
  font-weight: 800;
  cursor: pointer;
  box-shadow: 2px 2px 0px #000000;
}
.tag-chip:hover {
  background-color: var(--neo-cyan);
  transform: translate(-1px, -1px);
}

/* Progress Box */
.progress-box {
  background-color: #FFFFFF;
  border: var(--border-thick);
  box-shadow: var(--shadow-hard-lg);
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  width: 100%;
}

.progress-bar-track {
  width: 100%;
  height: 24px;
  background-color: #EDE8DC;
  border: var(--border-mid);
  box-shadow: inset 2px 2px 0px rgba(0, 0, 0, 0.2);
  overflow: hidden;
}

.progress-bar-fill {
  height: 100%;
  width: 0%;
  background-color: var(--neo-green);
  border-right: 2px solid #000000;
  transition: width 0.2s ease;
}

.stats-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
}

.stat-box {
  background-color: #FAF7F0;
  border: var(--border-mid);
  padding: 12px;
  text-align: center;
  box-shadow: var(--shadow-hard-sm);
}

.stat-val {
  font-size: 1.6rem;
  font-weight: 900;
  color: #000000;
}

.stat-label {
  font-size: 0.72rem;
  font-weight: 800;
  text-transform: uppercase;
  color: #444444;
}

.warnings-box {
  background-color: #FFFDE6;
  border: var(--border-mid);
  padding: 12px;
  font-size: 0.8rem;
  color: #000000;
  box-shadow: var(--shadow-hard-sm);
}

.files-table-container {
  max-height: 260px;
  overflow-y: auto;
  border: var(--border-mid);
  margin-top: 10px;
}

/* ==========================================================================
   Modals & Toasts
   ========================================================================== */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(0, 0, 0, 0.6);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 1000;
}
.modal-overlay.active {
  display: flex;
}

.modal-dialog {
  background-color: #FFFFFF;
  border: var(--border-heavy);
  box-shadow: var(--shadow-hard-xl);
  padding: 24px;
  max-width: 500px;
  width: 90%;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.toast-container {
  position: fixed;
  bottom: 24px;
  right: 24px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  z-index: 9999;
}

.toast {
  background-color: #FFFFFF;
  border: var(--border-thick);
  box-shadow: var(--shadow-hard-lg);
  padding: 12px 18px;
  font-size: 0.85rem;
  font-weight: 800;
  color: #000000;
  display: flex;
  align-items: center;
  gap: 10px;
  animation: slideIn 0.2s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.toast-success {
  background-color: var(--neo-green);
}
.toast-error {
  background-color: var(--danger);
  color: #FFFFFF;
}
.toast-info {
  background-color: var(--neo-cyan);
}
.toast-warning {
  background-color: var(--neo-yellow);
}

@keyframes slideIn {
  from {
    transform: translateY(20px);
    opacity: 0;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

/* ==========================================================================
   STEP 4: EMAIL DISPATCH VIEW
   ========================================================================== */
#view-email {
  padding: 36px 24px;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
  gap: 24px;
  max-width: 900px;
  margin: 0 auto;
  width: 100%;
}

.btn-smtp-preset {
  background-color: #FFFFFF;
  border: 1.5px solid #000000;
  box-shadow: 1.5px 1.5px 0px #000000;
  font-weight: 800;
}

.btn-smtp-preset.active {
  background-color: var(--neo-pink);
  color: #FFFFFF;
}

/* ==========================================================================
   Footer
   ========================================================================== */
.app-footer {
  padding: 10px 24px;
  background: #FFFFFF;
  border-top: var(--border-thick);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.75rem;
  font-weight: 800;
  text-transform: uppercase;
  z-index: 10;
  flex-shrink: 0;
}

/* ==========================================================================
   Responsive Media Queries (Mobile, Tablet, Desktop)
   ========================================================================== */
@media (min-width: 1025px) {
  body {
    height: 100vh;
    overflow: hidden;
  }
}

@media (max-width: 1024px) {
  .app-header {
    height: auto;
    min-height: 60px;
    padding: 10px 16px;
    flex-wrap: wrap;
    gap: 12px;
  }
  
  .stepper-nav {
    order: 3;
    width: 100%;
    justify-content: center;
    border-top: 1.5px solid #000;
    padding-top: 8px;
  }

  .header-actions {
    flex-wrap: wrap;
  }

  .editor-sidebar-left {
    width: 210px;
  }

  .editor-sidebar-right {
    width: 270px;
  }

  .upload-grid {
    gap: 18px;
  }
}

@media (max-width: 768px) {
  body {
    height: auto;
    min-height: 100vh;
    overflow-y: auto;
  }

  .app-header {
    flex-direction: column;
    align-items: stretch;
    padding: 12px 14px;
    gap: 10px;
    height: auto;
  }

  .brand {
    justify-content: space-between;
    width: 100%;
  }

  .stepper-nav {
    order: 2;
    border-top: none;
    padding-top: 0;
    display: flex;
    gap: 4px;
    width: 100%;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }

  .step-btn {
    flex: 1;
    justify-content: center;
    padding: 6px 4px;
    font-size: 0.72rem;
    gap: 4px;
  }

  .step-num {
    width: 18px;
    height: 18px;
    font-size: 0.7rem;
  }

  .header-actions {
    order: 3;
    width: 100%;
    justify-content: center;
    gap: 6px;
  }

  .header-actions > div {
    width: 100%;
    justify-content: center;
    flex-wrap: wrap;
  }

  .app-workspace {
    overflow: visible;
    min-height: auto;
  }

  /* Step 1: Upload View */
  #view-upload {
    padding: 16px 12px;
    gap: 16px;
    width: 100%;
  }

  .upload-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .upload-card {
    padding: 16px;
  }

  .dropzone {
    padding: 24px 12px;
  }

  .mapping-box {
    width: 100%;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }

  .mapping-table {
    min-width: 480px;
  }

  #btn-proceed-step2 {
    width: 100%;
    justify-content: center;
    padding: 10px 18px;
    font-size: 0.9rem;
  }

  /* Step 2: Editor & Canvas View */
  #view-editor {
    flex-direction: column;
    height: auto;
    overflow: visible;
    width: 100%;
  }

  .canvas-container {
    order: 1;
    width: 100%;
    height: 55vh;
    min-height: 380px;
    border-bottom: var(--border-thick);
  }

  .canvas-toolbar {
    flex-wrap: wrap;
    justify-content: center;
    gap: 6px;
    padding: 8px 6px;
  }

  .toolbar-group {
    flex-wrap: wrap;
    justify-content: center;
  }

  .editor-sidebar-left {
    order: 2;
    width: 100%;
    height: auto;
    border-right: none;
    border-bottom: var(--border-thick);
    box-shadow: none;
  }

  .column-chips-container {
    display: flex;
    flex-direction: row;
    flex-wrap: wrap;
    gap: 6px;
    max-height: 180px;
  }

  .column-chip {
    flex: 1 1 calc(50% - 6px);
    min-width: 130px;
  }

  .placed-fields-list {
    max-height: 180px;
  }

  .editor-sidebar-right {
    order: 3;
    width: 100%;
    height: auto;
    border-left: none;
    box-shadow: none;
    padding: 16px 14px;
  }

  /* Step 3: Generation & Export View */
  #view-generate {
    padding: 16px 12px;
    gap: 16px;
    width: 100%;
  }

  .config-card {
    padding: 16px;
  }

  .stats-row {
    grid-template-columns: 1fr 1fr;
    gap: 8px;
  }

  .stat-val {
    font-size: 1.3rem;
  }

  .config-card > div[style*="justify-content: space-between"] {
    flex-direction: column !important;
    align-items: stretch !important;
    gap: 14px !important;
  }

  #btn-start-generate {
    width: 100%;
    justify-content: center;
    text-align: center;
  }

  .progress-box {
    padding: 16px;
  }

  .files-table-container {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }

  .files-table-container table {
    min-width: 480px;
  }

  /* Step 4: Email View Mobile */
  #view-email {
    padding: 16px 12px;
    gap: 16px;
    width: 100%;
  }

  #view-email div[style*="grid-template-columns"] {
    grid-template-columns: 1fr !important;
  }

  /* Footer */
  .app-footer {
    flex-direction: column;
    gap: 8px;
    text-align: center;
    justify-content: center;
    padding: 12px 14px;
  }
}

@media (max-width: 480px) {
  .brand-title {
    font-size: 1.15rem;
  }

  .column-chip {
    flex: 1 1 100%;
  }

  .step-btn span:not(.step-num) {
    font-size: 0.65rem;
  }

  .zoom-btn {
    width: 28px;
    height: 28px;
  }

  #zoom-select {
    width: 105px !important;
  }

  .modal-dialog {
    padding: 16px;
  }
}