/* ======================================
   QR Code Generator - Design System
   Modern, Minimalist UI with Dark/Light themes
   ====================================== */

/* ===== CSS Custom Properties (Tokens) ===== */
:root {
  /* Light Theme (Default) */
  --bg-primary: #f7f7f8;
  --bg-secondary: #FFFFFF;
  --bg-tertiary: #F3F4F6;
  --text-primary: #1A1A1A;
  --text-secondary: #6B7280;
  --text-muted: #9CA3AF;
  --border-color: #E5E7EB;
  --border-light: #F3F4F6;

  /* Accent Colors */
  --accent-start: #26d900;
  --accent-end: #1fb300;
  --accent-solid: #26d900;
  --accent-hover: #1fb300;
  --accent-light: rgba(38, 217, 0, 0.1);
  --accent-glow: rgba(38, 217, 0, 0.25);

  /* Status Colors */
  --success: #10B981;
  --warning: #F59E0B;
  --error: #EF4444;

  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 8px 25px rgba(0, 0, 0, 0.1);
  --shadow-glow: 0 0 20px var(--accent-glow);

  /* Transitions */
  --transition-fast: 0.15s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.3s cubic-bezier(0.4, 0, 0.2, 1);

  /* Spacing */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;

  /* Border Radius */
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;

  /* Font sizes */
  --text-xs: 0.75rem;
  --text-sm: 0.875rem;
  --text-base: 1rem;
  --text-lg: 1.125rem;
  --text-xl: 1.25rem;
  --text-2xl: 1.5rem;
}

/* ===== Dark Theme ===== */
[data-theme="dark"] {
  --bg-primary: #212529;
  --bg-secondary: #343A40;
  --bg-tertiary: #3d444b;
  --text-primary: #FAFAFA;
  --text-secondary: #9CA3AF;
  --text-muted: #6B7280;
  --border-color: #495057;
  --border-light: #5a6268;

  /* Accent Colors - Green for dark mode */
  --accent-start: #26d900;
  --accent-end: #1fb300;
  --accent-solid: #26d900;
  --accent-hover: #1fb300;
  --accent-light: rgba(38, 217, 0, 0.15);
  --accent-glow: rgba(38, 217, 0, 0.3);

  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 8px 25px rgba(0, 0, 0, 0.5);
}

/* ===== Bootstrap Icons Sizing ===== */
.type-btn i {
  font-size: 1.5rem;
  -webkit-text-stroke: 0.5px currentColor;
}

.pix-key-btn i {
  font-size: 1.1rem;
}

.format-btn i {
  font-size: 1.75rem;
  -webkit-text-stroke: 0.5px currentColor;
}

.logo-icon {
  font-size: 2rem;
  -webkit-text-stroke: 0.5px currentColor;
}

/* Logo images for light/dark themes */
.logo-img {
  height: 32px;
  width: auto;
}

.logo-light {
  display: block;
}

.logo-dark {
  display: none;
}

[data-theme="dark"] .logo-light {
  display: none;
}

[data-theme="dark"] .logo-dark {
  display: block;
}

.theme-toggle i {
  font-size: 1.2rem;
}

.download-btn-main i {
  font-size: 1.5rem;
  -webkit-text-stroke: 0.5px currentColor;
}

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

html {
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  font-weight: 400;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
  transition: background-color var(--transition-slow), color var(--transition-slow);
}

/* ===== App Container ===== */
.app-container {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

/* ===== Header ===== */
.header {
  background: var(--bg-secondary);
  padding: var(--space-md) var(--space-xl);
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(12px);
  background: rgba(255, 255, 255, 0.9);
  transition: background var(--transition-slow);
}

[data-theme="dark"] .header {
  background: rgba(26, 26, 26, 0.9);
}

.header-content {
  max-width: 1400px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.logo-icon {
  width: 32px;
  height: 32px;
  color: var(--accent-solid);
}

.logo-text {
  font-size: var(--text-xl);
  font-weight: 700;
  background: var(--accent-solid);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.insights-link {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  padding: var(--space-xs) var(--space-sm);
  border-radius: var(--radius-md);
  color: var(--text-secondary);
  text-decoration: none;
  font-size: var(--text-sm);
  font-weight: 500;
  transition: all var(--transition-normal);
}

.insights-link:hover {
  color: var(--accent-solid);
  background: rgba(38, 217, 0, 0.1);
}

.insights-link svg {
  flex-shrink: 0;
}

.badge {
  display: inline-flex;
  align-items: center;
  padding: 2px 6px;
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  background: var(--accent-solid);
  color: #000;
  border-radius: var(--radius-full);
  animation: pulse-badge 2s ease-in-out infinite;
}

@keyframes pulse-badge {

  0%,
  100% {
    opacity: 1;
  }

  50% {
    opacity: 0.7;
  }
}

.theme-toggle {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-full);
  border: none;
  background: transparent;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-normal);
  color: var(--text-secondary);
}

.theme-toggle:hover {
  color: var(--accent-solid);
  transform: rotate(15deg);
}

.theme-toggle svg {
  width: 18px;
  height: 18px;
  transition: transform var(--transition-normal);
}

.theme-toggle .icon-moon {
  display: none;
}

[data-theme="dark"] .theme-toggle .icon-sun {
  display: none;
}

[data-theme="dark"] .theme-toggle .icon-moon {
  display: block;
}

/* ===== Main Content ===== */
.main-content {
  flex: 1;
  max-width: 1040px;
  margin: 0 auto;
  padding: var(--space-xl);
  display: grid;
  grid-template-columns: minmax(auto, 540px) 400px;
  gap: var(--space-xl);
  width: 100%;
}

/* ===== Panels ===== */
.panel {
  background: var(--bg-secondary);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  transition: all var(--transition-slow);
}

.panel-title {
  font-size: 20px;
  font-weight: 800;
  margin-bottom: var(--space-lg);
  color: var(--text-primary);
}

.section-title {
  font-size: var(--text-sm);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-secondary);
  margin-bottom: var(--space-md);
}

.divider {
  height: 0;
  border-top: 1px dashed var(--border-color);
  margin: var(--space-xl) 0;
}

/* ===== Type Selector ===== */
.type-selector {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-sm);
}

.type-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-xs);
  padding: var(--space-md) var(--space-sm);
  border: 2px solid var(--border-color);
  border-radius: var(--radius-md);
  background: var(--bg-secondary);
  cursor: pointer;
  transition: all var(--transition-normal);
  color: var(--text-secondary);
  font-family: inherit;
}

.type-btn svg {
  width: 24px;
  height: 24px;
}

.type-btn span {
  font-size: var(--text-xs);
  font-weight: 500;
}

.type-btn:hover {
  border-color: var(--accent-solid);
  color: var(--accent-solid);
}

.type-btn.active {
  border-color: var(--accent-solid);
  background: var(--accent-light);
  color: var(--accent-solid);
}

/* ===== Form Elements ===== */
.form-group {
  margin-bottom: var(--space-lg);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-md);
}

.form-label {
  display: block;
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--text-primary);
  margin-bottom: var(--space-sm);
}

.optional {
  font-weight: 400;
  color: var(--text-muted);
}

.form-input,
.form-textarea,
.form-select {
  width: 100%;
  padding: var(--space-md);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  background: var(--bg-primary);
  color: var(--text-primary);
  font-size: var(--text-base);
  font-family: inherit;
  transition: all var(--transition-normal);
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  outline: none;
  border-color: var(--accent-solid);
  box-shadow: 0 0 0 3px var(--accent-light);
}

.form-input::placeholder,
.form-textarea::placeholder {
  color: var(--text-muted);
}

.input-error {
  border-color: var(--error) !important;
  box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.2) !important;
}

.form-textarea {
  resize: vertical;
  min-height: 80px;
}

.input-hint {
  font-size: var(--text-xs);
  color: var(--text-muted);
  margin-top: var(--space-xs);
  display: block;
}

/* ===== Field Groups ===== */
.field-group {
  display: none;
  animation: fadeIn var(--transition-normal);
}

.field-group.active {
  display: block;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(5px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ===== PIX Key Selector ===== */
.pix-key-selector {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
}

.pix-key-btn,
.wifi-auth-btn {
  padding: var(--space-sm) var(--space-md);
  border: 2px solid var(--border-color);
  border-radius: var(--radius-full);
  background: var(--bg-secondary);
  cursor: pointer;
  font-size: var(--text-sm);
  color: var(--text-secondary);
  transition: all var(--transition-normal);
  font-family: inherit;
}

.pix-key-btn:hover,
.wifi-auth-btn:hover {
  border-color: var(--accent-solid);
  color: var(--accent-solid);
}

.pix-key-btn.active,
.wifi-auth-btn.active {
  background: var(--accent-light);
  border-color: var(--accent-solid);
  color: var(--accent-solid);
}

.wifi-auth-selector {
  display: flex;
  gap: var(--space-sm);
}

/* ===== Password Toggle ===== */
.form-group:has(.toggle-password) {
  position: relative;
}

.toggle-password {
  position: absolute;
  right: var(--space-md);
  top: calc(var(--space-sm) + var(--text-sm) + var(--space-sm) + var(--space-md));
  background: none;
  border: none;
  cursor: pointer;
  color: var(--text-muted);
  padding: var(--space-xs);
  transition: color var(--transition-normal);
}

.toggle-password:hover {
  color: var(--text-primary);
}

.toggle-password svg {
  width: 20px;
  height: 20px;
}

.toggle-password .eye-closed {
  display: none;
}

.toggle-password.showing .eye-open {
  display: none;
}

.toggle-password.showing .eye-closed {
  display: block;
}

/* ===== Checkbox ===== */
.checkbox-label {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  cursor: pointer;
  font-size: var(--text-sm);
  color: var(--text-primary);
}

.checkbox-label input {
  display: none;
}

.checkbox-custom {
  width: 20px;
  height: 20px;
  border: 2px solid var(--border-color);
  border-radius: var(--radius-sm);
  transition: all var(--transition-normal);
  display: flex;
  align-items: center;
  justify-content: center;
}

.checkbox-label input:checked+.checkbox-custom {
  background: var(--accent-solid);
  border-color: transparent;
}

.checkbox-label input:checked+.checkbox-custom::after {
  content: '';
  width: 6px;
  height: 10px;
  border: solid white;
  border-width: 0 2px 2px 0;
  transform: rotate(45deg);
  margin-bottom: 2px;
}

/* ===== Secondary Button ===== */
.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-md) var(--space-lg);
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-size: var(--text-sm);
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-normal);
  width: 100%;
  justify-content: center;
}

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

.btn-secondary svg {
  width: 18px;
  height: 18px;
}

/* ===== Phone Input Group ===== */
.phone-input-group {
  display: flex;
  gap: var(--space-sm);
}

.country-select {
  width: 110px;
  padding: var(--space-md);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  background: var(--bg-secondary);
  color: var(--text-primary);
  font-size: var(--text-sm);
  cursor: pointer;
}

.country-select:focus {
  outline: none;
  border-color: var(--accent-solid);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

.phone-input {
  flex: 1;
}

/* ===== Style Selector ===== */
.style-selector {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
}

.style-btn {
  width: 48px;
  height: 48px;
  border: 2px solid var(--border-color);
  border-radius: var(--radius-md);
  background: var(--bg-secondary);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-normal);
  color: var(--text-secondary);
}

.style-btn svg {
  width: 28px;
  height: 28px;
}

.style-btn:hover {
  border-color: var(--accent-solid);
  color: var(--accent-solid);
}

.style-btn.active {
  border-color: var(--accent-solid);
  background: var(--accent-light);
  color: var(--accent-solid);
}

/* ===== Style with Color Layout ===== */
.style-with-color {
  display: flex;
  align-items: stretch;
  gap: var(--space-md);
}

.color-picker-inline {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-xs);
}

.color-label-small {
  font-size: var(--text-xs);
  color: var(--text-secondary);
  font-weight: 500;
  height: 18px;
  display: flex;
  align-items: flex-end;
}

.style-selector-wrapper {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
  flex: 1;
}

.style-selector-label {
  font-size: var(--text-xs);
  color: var(--text-secondary);
  font-weight: 500;
  height: 18px;
  display: flex;
  align-items: flex-end;
}

.style-color {
  width: 48px;
  height: 48px;
  border: 2px solid var(--border-color);
  border-radius: var(--radius-md);
  cursor: pointer;
  padding: 4px;
  overflow: hidden;
  background: var(--bg-secondary);
  transition: all var(--transition-normal);
}

.style-color:hover {
  border-color: var(--accent-solid);
  box-shadow: var(--shadow-md);
  transform: scale(1.05);
}

.style-color:focus {
  outline: none;
  border-color: var(--accent-solid);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

.style-color::-webkit-color-swatch-wrapper {
  padding: 0;
}

.style-color::-webkit-color-swatch {
  border: none;
  border-radius: var(--radius-sm);
}

.style-color::-moz-color-swatch {
  border: none;
  border-radius: var(--radius-sm);
}

/* ===== Color Row (inline label + color picker) ===== */
.color-row {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  margin-top: var(--space-md);
  padding: var(--space-md);
  background: var(--bg-tertiary);
  border-radius: var(--radius-md);
}

.color-row .color-label {
  flex: 1;
  font-size: var(--text-sm);
  color: var(--text-secondary);
}

.color-row .color-input {
  width: 80px;
  height: 36px;
}

/* ===== PIX Key Selector with Icons ===== */
.pix-key-btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
}

.pix-key-btn svg {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
}

/* ===== Color Pickers ===== */
.color-pickers {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
  align-items: flex-start;
}

.color-picker-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.color-label {
  font-size: var(--text-xs);
  color: var(--text-secondary);
}

.color-input {
  width: 48px;
  height: 48px;
  border: 2px solid var(--border-color);
  border-radius: var(--radius-md);
  cursor: pointer;
  padding: 4px;
  overflow: hidden;
  background: var(--bg-secondary);
  transition: all var(--transition-normal);
}

.color-input:hover {
  border-color: var(--accent-solid);
  box-shadow: var(--shadow-md);
  transform: scale(1.05);
}

.color-input:focus {
  outline: none;
  border-color: var(--accent-solid);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

.color-input.active {
  border-color: var(--accent-solid);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

.color-input::-webkit-color-swatch-wrapper {
  padding: 0;
}

.color-input::-webkit-color-swatch {
  border: none;
  border-radius: var(--radius-sm);
}

.color-input::-moz-color-swatch {
  border: none;
  border-radius: var(--radius-sm);
}

.transparent-bg-btn {
  width: 48px;
  height: 48px;
  border: 2px solid var(--border-color);
  border-radius: var(--radius-md);
  cursor: pointer;
  padding: 0;
  overflow: hidden;
  background-image:
    linear-gradient(45deg, #ccc 25%, transparent 25%),
    linear-gradient(-45deg, #ccc 25%, transparent 25%),
    linear-gradient(45deg, transparent 75%, #ccc 75%),
    linear-gradient(-45deg, transparent 75%, #ccc 75%);
  background-size: 12px 12px;
  background-position: 0 0, 0 6px, 6px -6px, -6px 0px;
  background-color: #fff;
  transition: all var(--transition-normal);
}

.transparent-bg-btn:hover {
  border-color: var(--accent-solid);
  box-shadow: var(--shadow-md);
  transform: scale(1.05);
}

.transparent-bg-btn.active {
  border-color: var(--accent-solid);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

[data-theme="dark"] .transparent-bg-btn {
  background-image:
    linear-gradient(45deg, #555 25%, transparent 25%),
    linear-gradient(-45deg, #555 25%, transparent 25%),
    linear-gradient(45deg, transparent 75%, #555 75%),
    linear-gradient(-45deg, transparent 75%, #555 75%);
  background-color: #333;
}

/* ===== Redundancy Selector ===== */
.redundancy-selector {
  display: flex;
  gap: var(--space-sm);
}

.redundancy-btn {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  padding: var(--space-md);
  border: 2px solid var(--border-color);
  border-radius: var(--radius-md);
  background: var(--bg-secondary);
  cursor: pointer;
  transition: all var(--transition-normal);
  font-family: inherit;
}

.redundancy-btn .level {
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--text-primary);
}

.redundancy-btn .desc {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  font-weight: 500;
}

.redundancy-btn:hover {
  border-color: var(--accent-solid);
}

.redundancy-btn.active {
  border-color: var(--accent-solid);
  background: var(--accent-light);
}

.redundancy-btn.active .level {
  color: var(--accent-solid);
}

/* ===== Logo Upload ===== */
.logo-upload-area {
  border: 2px dashed var(--border-color);
  border-radius: var(--radius-md);
  padding: var(--space-xl);
  text-align: center;
  cursor: pointer;
  transition: all var(--transition-normal);
}

.logo-upload-area:hover {
  border-color: var(--accent-solid);
  background: var(--accent-light);
}

.logo-upload-area.dragging {
  border-color: var(--accent-solid);
  background: var(--accent-light);
  border-style: solid;
}

.upload-placeholder {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-sm);
  color: var(--text-muted);
}

.upload-placeholder svg {
  width: 40px;
  height: 40px;
}

.upload-placeholder span {
  font-size: var(--text-sm);
}

.logo-preview {
  position: relative;
  display: inline-block;
}

.logo-preview img {
  max-width: 100px;
  max-height: 100px;
  border-radius: var(--radius-sm);
}

.remove-logo {
  position: absolute;
  top: -8px;
  right: -8px;
  width: 24px;
  height: 24px;
  border-radius: var(--radius-full);
  background: var(--error);
  border: none;
  color: white;
  font-size: 16px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform var(--transition-fast);
}

.remove-logo:hover {
  transform: scale(1.1);
}

.logo-size-control {
  margin-top: var(--space-md);
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.logo-size-control .form-label {
  margin-bottom: 0;
  white-space: nowrap;
}

.logo-size-control input[type="range"] {
  flex: 1;
  -webkit-appearance: none;
  height: 6px;
  border-radius: var(--radius-full);
  background: var(--bg-tertiary);
  outline: none;
}

.logo-size-control input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 18px;
  height: 18px;
  border-radius: var(--radius-full);
  background: var(--accent-solid);
  cursor: pointer;
}

.size-value {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--accent-solid);
  min-width: 40px;
}

/* ===== Preview Panel ===== */
.preview-panel {
  position: sticky;
  top: calc(64px + var(--space-xl));
  height: fit-content;
}

.qr-preview-container {
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-xl);
}

.qr-preview {
  background: white;
  border-radius: var(--radius-md);
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  aspect-ratio: 1;
}

.qr-preview svg,
.qr-preview canvas {
  display: block;
  max-width: 100%;
  max-height: 100%;
}

.qr-placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 100%;
}

.qr-placeholder img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

/* ===== Format Selector ===== */
.format-selector {
  display: flex;
  gap: var(--space-sm);
}

.format-btn {
  flex: 1;
  padding: var(--space-md);
  border: 2px solid var(--border-color);
  border-radius: var(--radius-md);
  background: var(--bg-secondary);
  cursor: pointer;
  font-family: inherit;
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--text-primary);
  transition: all var(--transition-normal);
}

.format-btn:hover {
  border-color: var(--accent-solid);
  color: var(--accent-solid);
}

.format-btn.active {
  border-color: var(--accent-solid);
  background: var(--accent-light);
  color: var(--accent-solid);
}

/* ===== Download Section ===== */
.download-section {
  margin-bottom: var(--space-lg);
}

/* Main Download Button */
.download-btn-main {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: 10px var(--space-md);
  border: none;
  border-radius: var(--radius-md);
  background: var(--accent-solid);
  cursor: pointer;
  font-family: inherit;
  font-size: var(--text-base);
  font-weight: 600;
  color: white;
  transition: all var(--transition-normal);
  margin-top: var(--space-md);
}

.download-btn-main svg {
  width: 22px;
  height: 22px;
}

.download-btn-main:hover:not(:disabled) {
  transform: translateY(-2px);
  box-shadow: var(--shadow-glow);
}

.download-btn-main:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
}

.download-buttons {
  display: flex;
  gap: var(--space-sm);
}

.download-btn {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: var(--space-md);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  background: var(--bg-secondary);
  cursor: pointer;
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--text-primary);
  transition: all var(--transition-normal);
}

.download-btn svg {
  width: 18px;
  height: 18px;
}

.download-btn:hover:not(:disabled) {
  border-color: var(--accent-solid);
  background: var(--accent-solid);
  color: white;
  transform: translateY(-2px);
  box-shadow: var(--shadow-glow);
}

.download-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* ===== Resolution Selector ===== */
.resolution-group {
  margin-bottom: 0;
}

.form-select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2326d900' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right var(--space-md) center;
  background-size: 16px;
  padding-right: calc(var(--space-md) * 2 + 16px);
  border: 2px solid var(--accent-solid);
  border-radius: var(--radius-md);
}

.form-select:focus {
  outline: none;
  box-shadow: 0 0 0 3px rgba(38, 217, 0, 0.2);
}

/* ===== Footer ===== */
.footer {
  text-align: center;
  padding: var(--space-lg);
  color: var(--text-muted);
  font-size: var(--text-sm);
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
  .main-content {
    grid-template-columns: 1fr;
    padding: var(--space-md);
  }

  .preview-panel {
    position: static;
  }

  .type-selector {
    grid-template-columns: repeat(4, 1fr);
  }
}

@media (max-width: 640px) {
  .header {
    padding: var(--space-md);
  }

  .logo-text {
    font-size: var(--text-lg);
  }

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

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

  .pix-key-selector {
    justify-content: center;
  }

  .wifi-auth-selector {
    flex-wrap: wrap;
  }

  .color-pickers {
    flex-wrap: wrap;
    gap: var(--space-sm);
  }

  .redundancy-selector {
    flex-wrap: wrap;
    gap: var(--space-xs);
  }
}

/* ===== Animations ===== */
@keyframes pulse {

  0%,
  100% {
    opacity: 1;
  }

  50% {
    opacity: 0.6;
  }
}

.loading {
  animation: pulse 1.5s ease-in-out infinite;
}

/* ===== Accessibility ===== */
@media (prefers-reduced-motion: reduce) {

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* Focus visible styles */
:focus-visible {
  outline: 2px solid var(--accent-solid);
  outline-offset: 2px;
}

button:focus:not(:focus-visible) {
  outline: none;
}