/* CSS Design System for QRCraft - Inspired by Finex Dark Premium Layout */

:root {
  /* Fonts */
  --font-primary: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-secondary: 'Plus Jakarta Sans', sans-serif;

  /* Transitions */
  --transition-fast: 0.15s ease;
  --transition-normal: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.4s cubic-bezier(0.2, 0.8, 0.2, 1);

  /* Radius */
  --radius-xs: 6px;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-full: 9999px;

  /* Theme Colors (Deep Dark) */
  --bg-app: #030303;
  --bg-card: rgba(10, 10, 10, 0.6);
  --bg-input: rgba(255, 255, 255, 0.02);
  --bg-input-hover: rgba(255, 255, 255, 0.04);
  
  --border-color: rgba(255, 255, 255, 0.08);
  --border-color-hover: rgba(255, 255, 255, 0.15);
  --border-focus: #3b82f6;

  --text-main: #ffffff;
  --text-muted: #cbd5e1; /* Brightened for premium dark-mode readability */
  --text-invert: #000000;

  --primary: #ffffff;
  --primary-hover: #e2e8f0;
  --primary-glow: rgba(255, 255, 255, 0.15);

  --secondary: rgba(255, 255, 255, 0.05);
  --secondary-hover: rgba(255, 255, 255, 0.08);
  --secondary-text: #ffffff;

  --accent-blue: #3b82f6;
  --success: #10b981;
  --success-glow: rgba(16, 185, 129, 0.12);
  --danger: #ef4444;
  --danger-hover: #dc2626;

  --card-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.7);
  --card-glow: 0 0 40px -10px rgba(255, 255, 255, 0.02);
  
  --bg-stripes: repeating-linear-gradient(
    -45deg,
    transparent,
    transparent 40px,
    rgba(255, 255, 255, 0.01) 40px,
    rgba(255, 255, 255, 0.01) 41px
  );
}

/* Light Theme overrides (if triggered, keep it clean) */
[data-theme="light"] {
  --bg-app: #f4f6fa;
  --bg-card: rgba(255, 255, 255, 0.8);
  --bg-input: rgba(0, 0, 0, 0.02);
  --bg-input-hover: rgba(0, 0, 0, 0.04);
  
  --border-color: rgba(0, 0, 0, 0.08);
  --border-color-hover: rgba(0, 0, 0, 0.15);
  --border-focus: #3b82f6;

  --text-main: #0f172a;
  --text-muted: #64748b;
  --text-invert: #ffffff;

  --primary: #0f172a;
  --primary-hover: #1e293b;
  --primary-glow: rgba(15, 23, 42, 0.1);

  --secondary: rgba(0, 0, 0, 0.05);
  --secondary-hover: rgba(0, 0, 0, 0.08);
  --secondary-text: #0f172a;

  --card-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.05);
  --card-glow: none;
  --bg-stripes: none;
}

/* Reset & Base Styles */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-primary);
  background-color: var(--bg-app);
  color: var(--text-main);
  min-height: 100vh;
  display: flex;
  justify-content: center;
  position: relative;
  overflow-x: hidden;
  transition: background-color var(--transition-normal), color var(--transition-normal);
}

/* Ambient glows */
.ambient-glow-1 {
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 800px;
  height: 500px;
  background: radial-gradient(circle, rgba(59, 130, 246, 0.04) 0%, transparent 70%);
  pointer-events: none;
  z-index: 0;
}

.ambient-glow-2 {
  position: absolute;
  bottom: 0;
  right: 0;
  width: 600px;
  height: 400px;
  background: radial-gradient(circle, rgba(168, 85, 247, 0.03) 0%, transparent 75%);
  pointer-events: none;
  z-index: 0;
}

/* Diagonal Background Pattern */
.bg-pattern {
  position: fixed;
  inset: 0;
  background-image: var(--bg-stripes);
  pointer-events: none;
  z-index: 0;
}

/* App Container Layout */
.app-container {
  width: 100%;
  max-width: 1200px;
  padding: 2.5rem 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 2.5rem;
  position: relative;
  z-index: 10;
}

/* Header Styling (Floating Pill) */
.app-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.75rem 1.5rem;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-full);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: var(--card-shadow);
  animation: animationIn 0.8s var(--transition-slow) both;
}

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

.brand h1 {
  font-family: var(--font-secondary);
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: -0.5px;
  margin-bottom: 0px;
}

.brand p {
  font-size: 0.75rem;
  color: var(--text-muted);
  font-weight: 500;
}

.logo-icon {
  width: 32px;
  height: 32px;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.05) 0%, rgba(255, 255, 255, 0.01) 100%);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #ffffff;
}

[data-theme="light"] .logo-icon {
  background: #0f172a;
  color: #ffffff;
}

.logo-icon i {
  width: 18px;
  height: 18px;
}

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

/* Status Badge */
.header-status {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius-full);
  border: 1px solid var(--border-color);
  background: rgba(255, 255, 255, 0.02);
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--text-muted);
}

.status-dot-wrapper {
  position: relative;
  display: flex;
  align-items: center;
}

.status-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: var(--success);
}

.status-dot-pulse {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  background-color: var(--success);
  transform: scale(1);
  animation: pulse-ring 1.8s cubic-bezier(0.455, 0.03, 0.515, 0.955) infinite;
  opacity: 0.5;
}

@keyframes pulse-ring {
  0% { transform: scale(0.9); opacity: 0.6; }
  100% { transform: scale(2.4); opacity: 0; }
}

/* Animations */
@keyframes animationIn {
  0% { opacity: 0; transform: translateY(20px); filter: blur(5px); }
  100% { opacity: 1; transform: translateY(0); filter: blur(0px); }
}

/* Workspace Layout */
.workspace {
  display: grid;
  grid-template-columns: 1.25fr 0.75fr;
  gap: 2rem;
  align-items: start;
  animation: animationIn 0.8s var(--transition-slow) 0.1s both;
}

/* Flashlight Card Glow (Premium Effect) */
.card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: var(--card-shadow), var(--card-glow);
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  transition: background-color var(--transition-normal), border-color var(--transition-normal), box-shadow var(--transition-normal);
  position: relative;
  overflow: hidden;
}

/* Mouse hover flashlight effect */
.card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(350px circle at var(--mouse-x, -999px) var(--mouse-y, -999px), rgba(255, 255, 255, 0.04), transparent 80%);
  pointer-events: none;
  z-index: 1;
  transition: opacity 0.5s;
  mix-blend-mode: screen;
}

/* Headings in Cards */
.card h2 {
  font-family: var(--font-secondary);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.15em;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  position: relative;
  z-index: 10;
}

.card h2 i {
  color: #ffffff;
  width: 14px;
  height: 14px;
  stroke-width: 2.5;
}

[data-theme="light"] .card h2 i {
  color: var(--text-main);
}

/* Buttons */
.btn-icon {
  background: transparent;
  border: 1px solid var(--border-color);
  color: var(--text-main);
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
}

.btn-icon:hover {
  background-color: var(--bg-input-hover);
  border-color: var(--border-color-hover);
}

/* White/Black Theme Premium Button */
.btn-primary {
  background-color: var(--primary);
  color: var(--text-invert);
  border: none;
  border-radius: var(--radius-sm);
  padding: 0.625rem 1.25rem;
  font-family: var(--font-primary);
  font-size: 0.875rem;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  transition: all var(--transition-fast);
  box-shadow: 0 4px 12px rgba(255, 255, 255, 0.05);
}

.btn-primary:hover {
  background-color: var(--primary-hover);
  transform: translateY(-1px);
}

.btn-secondary {
  background-color: var(--secondary);
  color: var(--secondary-text);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 0.625rem 1.25rem;
  font-family: var(--font-primary);
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  transition: all var(--transition-fast);
}

.btn-secondary:hover {
  background-color: var(--secondary-hover);
  border-color: var(--border-color-hover);
}

.btn-text-action {
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 0.25rem;
  transition: color var(--transition-fast);
}

.btn-text-action:hover {
  color: var(--text-main);
}

.btn-text-action.danger:hover {
  color: var(--danger);
}

/* Tabs UI - Horizontal Scrollable / Grid */
.tabs-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.375rem;
  position: relative;
  z-index: 10;
}

@media (max-width: 768px) {
  .tabs-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.tab-btn {
  background-color: transparent;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  padding: 0.5rem 0.25rem;
  color: var(--text-muted);
  font-family: var(--font-primary);
  font-size: 0.8rem;
  font-weight: 500;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.25rem;
  transition: all var(--transition-fast);
}

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

.tab-btn.active {
  background-color: var(--secondary);
  border-color: var(--border-color);
  color: #ffffff;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

[data-theme="light"] .tab-btn.active {
  background-color: #ffffff;
  color: #000000;
}

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

.tab-contents {
  position: relative;
  z-index: 10;
}

/* Only the active content panel is shown; the rest stay hidden */
.tab-content {
  display: none;
}

.tab-content.active {
  display: block;
  animation: tab-fade-in 0.25s ease;
}

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

/* Inputs and Forms */
.input-group {
  display: flex;
  flex-direction: column;
  gap: 0.375rem;
  width: 100%;
}

.input-group label {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.input-wrapper {
  position: relative;
  display: flex;
  align-items: center;
}

.input-icon {
  position: absolute;
  left: 12px;
  width: 16px;
  height: 16px;
  color: var(--text-muted);
  pointer-events: none;
}

.currency-prefix {
  position: absolute;
  left: 12px;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-muted);
}

input[type="text"],
input[type="url"],
input[type="tel"],
input[type="email"],
input[type="number"],
input[type="password"],
textarea,
select {
  width: 100%;
  background-color: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 0.625rem 0.875rem;
  font-family: var(--font-primary);
  font-size: 0.875rem;
  color: var(--text-main);
  outline: none;
  transition: all var(--transition-fast);
}

/* Explicit styles for placeholders and dropdown options in dark mode */
input::placeholder,
textarea::placeholder {
  color: rgba(255, 255, 255, 0.45);
}

select option {
  background-color: #0a0a0a;
  color: #ffffff;
}

input[type="text"]:hover,
input[type="url"]:hover,
input[type="tel"]:hover,
input[type="email"]:hover,
input[type="number"]:hover,
input[type="password"]:hover,
textarea:hover,
select:hover {
  background-color: var(--bg-input-hover);
  border-color: var(--border-color-hover);
}

input[type="text"]:focus,
input[type="url"]:focus,
input[type="tel"]:focus,
input[type="email"]:focus,
input[type="number"]:focus,
input[type="password"]:focus,
textarea:focus,
select:focus {
  border-color: rgba(255, 255, 255, 0.3);
  background-color: rgba(0, 0, 0, 0.4);
  box-shadow: 0 0 15px rgba(255, 255, 255, 0.02);
}

[data-theme="light"] input[type="text"]:focus,
[data-theme="light"] input[type="url"]:focus,
[data-theme="light"] input[type="tel"]:focus,
[data-theme="light"] input[type="email"]:focus,
[data-theme="light"] input[type="number"]:focus,
[data-theme="light"] input[type="password"]:focus,
[data-theme="light"] textarea:focus,
[data-theme="light"] select:focus {
  border-color: var(--border-focus);
  background-color: #ffffff;
  box-shadow: 0 0 0 3px var(--primary-glow);
}

.input-wrapper input {
  padding-left: 2.5rem;
}

textarea {
  resize: vertical;
  min-height: 70px;
}

.input-hint {
  font-size: 0.7rem;
  color: var(--text-muted);
}

/* Radio Custom Toggle */
.radio-toggle {
  display: flex;
  background-color: var(--secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 2px;
  gap: 2px;
}

.radio-label {
  flex: 1;
  cursor: pointer;
  position: relative;
  text-align: center;
}

.radio-label input {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}

.radio-label span {
  display: block;
  padding: 0.375rem 0.75rem;
  border-radius: calc(var(--radius-sm) - 2px);
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--text-muted);
  transition: all var(--transition-fast);
}

.radio-label input:checked + span {
  background-color: rgba(255, 255, 255, 0.08);
  color: #ffffff;
}

[data-theme="light"] .radio-label input:checked + span {
  background-color: #ffffff;
  color: #000000;
  box-shadow: var(--shadow-sm);
}

/* Custom Checkbox */
.checkbox-group {
  display: flex;
  align-items: center;
}

.checkbox-label {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  cursor: pointer;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--text-muted);
  user-select: none;
}

.checkbox-label input {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}

.checkbox-box {
  width: 16px;
  height: 16px;
  border: 1px solid var(--border-color);
  background-color: var(--bg-input);
  border-radius: var(--radius-xs);
  display: inline-block;
  position: relative;
  transition: all var(--transition-fast);
}

.checkbox-label:hover .checkbox-box {
  background-color: var(--bg-input-hover);
  border-color: var(--border-color-hover);
}

.checkbox-label input:checked + .checkbox-box {
  background-color: #ffffff;
  border-color: #ffffff;
}

[data-theme="light"] .checkbox-label input:checked + .checkbox-box {
  background-color: #000000;
  border-color: #000000;
}

.checkbox-label input:checked + .checkbox-box::after {
  content: "";
  position: absolute;
  left: 5px;
  top: 2px;
  width: 4px;
  height: 7px;
  border: solid var(--text-invert);
  border-width: 0 2px 2px 0;
  transform: rotate(45deg);
}

/* Color Pickers */
.color-picker-wrapper {
  display: flex;
  background-color: var(--bg-input);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 3px;
  align-items: center;
  gap: 0.25rem;
}

.color-picker-wrapper input[type="color"] {
  -webkit-appearance: none;
  border: none;
  width: 24px;
  height: 24px;
  border-radius: var(--radius-xs);
  cursor: pointer;
  background: none;
}

.color-picker-wrapper input[type="color"]::-webkit-color-swatch-wrapper {
  padding: 0;
}

.color-picker-wrapper input[type="color"]::-webkit-color-swatch {
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-xs);
}

.hex-text {
  border: none !important;
  background: transparent !important;
  padding: 2px 4px !important;
  box-shadow: none !important;
  width: 60px;
  font-family: monospace;
  font-size: 0.75rem;
}

/* Sliders */
.range-slider-wrapper input[type="range"] {
  -webkit-appearance: none;
  width: 100%;
  height: 4px;
  border-radius: var(--radius-full);
  background: var(--border-color);
  outline: none;
  cursor: pointer;
}

.range-slider-wrapper input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 14px;
  height: 14px;
  border-radius: var(--radius-full);
  background: #ffffff;
  cursor: pointer;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-fast);
}

[data-theme="light"] .range-slider-wrapper input[type="range"]::-webkit-slider-thumb {
  background: #000000;
}

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

/* Presets Grid */
.presets-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.5rem;
  position: relative;
  z-index: 10;
}

@media (max-width: 600px) {
  .presets-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.preset-btn {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 0.5rem;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.375rem;
  transition: all var(--transition-fast);
}

.preset-btn:hover {
  border-color: var(--border-color-hover);
  background-color: var(--bg-input-hover);
}

.preset-btn.active {
  border-color: #ffffff;
  background-color: var(--secondary);
}

[data-theme="light"] .preset-btn.active {
  border-color: #000000;
  background-color: #ffffff;
}

.preset-preview {
  width: 100%;
  height: 28px;
  border-radius: var(--radius-xs);
  border: 1px solid rgba(255, 255, 255, 0.12);
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Swatches that hint each preset's look */
.p-classic  { background: #ffffff; }
.p-ocean    { background: linear-gradient(45deg, #3b82f6, #8b5cf6); }
.p-neon     { background: linear-gradient(45deg, #a855f7, #f43f5e); }
.p-gold     { background: #eab308; }
.p-emerald  { background: linear-gradient(135deg, #10b981, #047857); }
.p-custom   {
  background: var(--bg-input);
  color: var(--text-main);
}
.p-custom i { width: 16px; height: 16px; }

.preset-label {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-main);
}

.preset-btn.active .preset-label {
  color: var(--text-main);
}

/* Accordion for Customization */
.card-customization {
  padding: 0;
  gap: 0;
}

.custom-accordion-header {
  padding: 1.25rem 1.75rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
  user-select: none;
}

.custom-accordion-header h2 {
  margin-bottom: 0 !important;
}

.custom-accordion-header:hover {
  background-color: var(--bg-input-hover);
}

.custom-accordion-body {
  padding: 1.5rem 1.75rem 1.75rem 1.75rem;
  border-top: 1px solid var(--border-color);
  display: none; /* collapsed by default; expands when card has .open */
}

.card-customization.open .custom-accordion-body {
  display: block;
}

.accordion-icon {
  width: 18px;
  height: 18px;
  color: var(--text-muted);
  transition: transform var(--transition-fast);
}

.card-customization.open .accordion-icon {
  transform: rotate(180deg);
}

/* Custom Groups inside Accordion */
.custom-group {
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1rem;
  margin-bottom: 1rem;
}

.custom-group:last-child {
  margin-bottom: 0;
}

.custom-group legend {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

/* Logo Preset Radios */
.logo-presets {
  display: flex;
  gap: 0.375rem;
  flex-wrap: wrap;
}

.logo-preset-btn {
  position: relative;
  cursor: pointer;
  display: inline-flex;
}

.logo-preset-btn input {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}

.logo-preset-inner {
  width: 42px;
  height: 42px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  background: var(--bg-input);
  color: var(--text-main);
  transition: all var(--transition-fast);
}

.logo-preset-inner i {
  width: 20px;
  height: 20px;
}

.logo-preset-btn:hover .logo-preset-inner {
  border-color: var(--border-color-hover);
  background: var(--bg-input-hover);
}

.logo-preset-btn.active .logo-preset-inner {
  border-color: #ffffff;
  background: var(--secondary);
}

[data-theme="light"] .logo-preset-btn.active .logo-preset-inner {
  border-color: #000000;
}

.logo-green { color: #10b981; }
.logo-blue  { color: #3b82f6; }
.logo-cyan  { color: #06b6d4; }
.logo-red   { color: #ef4444; }

/* === Logo upload row === */
.hidden-input { display: none; }

.logo-upload-wrapper {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin-top: 0.75rem;
}

.logo-upload-label {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  cursor: pointer;
}

.upload-file-name {
  font-size: 0.75rem;
  color: var(--text-muted);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  max-width: 140px;
}

.btn-remove { color: #ef4444; }

/* === Shared layout helpers (advanced section) === */
.hidden { display: none !important; }

.custom-accordion-body .input-group {
  margin-bottom: 1rem;
}
.custom-accordion-body .input-group:last-child {
  margin-bottom: 0;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-bottom: 1rem;
}
.form-row:last-child { margin-bottom: 0; }
.form-row .input-group { margin-bottom: 0; }

.color-options-row {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  align-items: flex-end;
}

.color-picker-group {
  display: flex;
  flex-direction: column;
  gap: 0.375rem;
}

.color-picker-group label {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.border-top {
  border-top: 1px solid var(--border-color);
  margin-top: 1rem;
  padding-top: 1rem;
}
.padding-top-sm { padding-top: 0.75rem; }
.margin-bottom-sm { margin-bottom: 0.75rem; }

/* === Range slider + inline value === */
.range-slider-wrapper {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}
.range-slider-wrapper input[type="range"] {
  flex: 1;
}
.range-value {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-main);
  min-width: 44px;
  text-align: right;
  font-family: monospace;
}

/* Right Column (Preview Panel) */
.sticky-preview-wrapper {
  position: sticky;
  top: 6rem;
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.card-preview {
  align-items: center;
  text-align: center;
}

.qr-canvas-container {
  background-color: #ffffff;
  padding: 1.5rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
}

/* History Items */
.history-item {
  background-color: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 0.625rem;
}

.history-item:hover {
  background-color: rgba(255, 255, 255, 0.04);
  border-color: rgba(255, 255, 255, 0.15);
}

.history-item-thumb {
  background: #ffffff;
  border-radius: var(--radius-xs);
  padding: 2px;
}

/* Action buttons grid (PNG / SVG / Copiar / Compartilhar) */
.actions-hint {
  width: 100%;
  text-align: left;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-muted);
}

.actions-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.625rem;
  width: 100%;
}

.actions-grid button {
  width: 100%;
}

/* Action button with a title + plain-language hint */
.btn-action {
  justify-content: flex-start;
  text-align: left;
  padding: 0.75rem 1rem;
}

.btn-action > i {
  flex-shrink: 0;
  width: 20px;
  height: 20px;
}

.btn-action-text {
  display: flex;
  flex-direction: column;
  line-height: 1.25;
  overflow: hidden;
}

.btn-action-title {
  font-size: 0.875rem;
  font-weight: 600;
}

.btn-action-hint {
  font-size: 0.7rem;
  font-weight: 500;
  opacity: 0.7;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

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

/* Raw Code Copy Wrapper */
.raw-payload-wrapper {
  width: 100%;
  text-align: left;
  background-color: rgba(0, 0, 0, 0.3);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  overflow: hidden;
}

.payload-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.5rem;
  padding: 0.625rem 0.875rem;
}

#payload-type-label {
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
}

.payload-body {
  padding: 0.75rem 0.875rem;
  background-color: rgba(0, 0, 0, 0.5);
  border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.payload-body code {
  display: block;
  font-family: monospace;
  font-size: 0.75rem;
  color: var(--text-main);
  word-break: break-all;
  white-space: pre-wrap;
  line-height: 1.5;
}

/* Custom Scrollbar for Dark Mode */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: #050505;
}

::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb:hover {
  background: rgba(255, 255, 255, 0.2);
}