:root {
  /* Primitive Color Tokens */
  --color-white: rgba(41, 41, 41, 1);
  --color-black: rgba(0, 0, 0, 1);
  --color-cream-50: rgba(252, 252, 249, 1);
  --color-cream-100: rgba(255, 255, 253, 1);
  --color-gray-200: rgba(245, 245, 245, 1);
  --color-gray-300: rgba(167, 169, 169, 1);
  --color-gray-400: rgba(119, 124, 124, 1);
  --color-slate-500: rgba(98, 108, 113, 1);
  --color-brown-600: rgba(94, 82, 64, 1);
  --color-charcoal-700: rgba(31, 33, 33, 1);
  --color-charcoal-800: rgba(38, 40, 40, 1);
  --color-slate-900: rgba(19, 52, 59, 1);
  --color-teal-300: rgba(50, 184, 198, 1);
  --color-teal-400: rgba(45, 166, 178, 1);
  --color-teal-500: rgba(33, 128, 141, 1);
  --color-teal-600: rgba(29, 116, 128, 1);
  --color-teal-700: rgba(26, 104, 115, 1);
  --color-teal-800: rgba(41, 150, 161, 1);
  --color-red-400: rgba(255, 84, 89, 1);
  --color-red-500: rgba(192, 21, 47, 1);
  --color-orange-400: rgba(230, 129, 97, 1);
  --color-orange-500: rgba(168, 75, 47, 1);

  /* RGB versions for opacity control */
  --color-brown-600-rgb: 94, 82, 64;
  --color-teal-500-rgb: 33, 128, 141;
  --color-slate-900-rgb: 19, 52, 59;
  --color-slate-500-rgb: 98, 108, 113;
  --color-red-500-rgb: 192, 21, 47;
  --color-red-400-rgb: 255, 84, 89;
  --color-orange-500-rgb: 168, 75, 47;
  --color-orange-400-rgb: 230, 129, 97;

  /* Background color tokens (Light Mode) */
  --color-bg-1: rgba(59, 130, 246, 0.08); /* Light blue */
  --color-bg-2: rgba(245, 158, 11, 0.08); /* Light yellow */
  --color-bg-3: rgba(34, 197, 94, 0.08); /* Light green */
  --color-bg-4: rgba(239, 68, 68, 0.08); /* Light red */
  --color-bg-5: rgba(147, 51, 234, 0.08); /* Light purple */
  --color-bg-6: rgba(249, 115, 22, 0.08); /* Light orange */
  --color-bg-7: rgba(236, 72, 153, 0.08); /* Light pink */
  --color-bg-8: rgba(6, 182, 212, 0.08); /* Light cyan */

  /* Semantic Color Tokens (Light Mode) */
  --color-background: var(--color-cream-50);
  --color-surface: var(--color-cream-100);
  --color-text: var(--color-slate-900);
  --color-text-secondary: var(--color-slate-500);
  --color-primary: var(--color-teal-500);
  --color-primary-hover: var(--color-teal-600);
  --color-primary-active: var(--color-teal-700);
  --color-secondary: rgba(var(--color-brown-600-rgb), 0.12);
  --color-secondary-hover: rgba(var(--color-brown-600-rgb), 0.2);
  --color-secondary-active: rgba(var(--color-brown-600-rgb), 0.25);
  --color-border: rgba(var(--color-brown-600-rgb), 0.2);
  --color-btn-primary-text: var(--color-cream-50);
  --color-card-border: rgba(var(--color-brown-600-rgb), 0.12);
  --color-card-border-inner: rgba(var(--color-brown-600-rgb), 0.12);
  --color-error: var(--color-red-500);
  --color-success: var(--color-teal-500);
  --color-warning: var(--color-orange-500);
  --color-info: var(--color-slate-500);
  --color-focus-ring: rgba(var(--color-teal-500-rgb), 0.4);
  --color-select-caret: rgba(var(--color-slate-900-rgb), 0.8);

  /* Common style patterns */
  --focus-ring: 0 0 0 3px var(--color-focus-ring);
  --focus-outline: 2px solid var(--color-primary);
  --status-bg-opacity: 0.15;
  --status-border-opacity: 0.25;
  --select-caret-light: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23134252' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
  --select-caret-dark: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23f5f5f5' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");

  /* RGB versions for opacity control */
  --color-success-rgb: 33, 128, 141;
  --color-error-rgb: 192, 21, 47;
  --color-warning-rgb: 168, 75, 47;
  --color-info-rgb: 98, 108, 113;

  /* Typography */
  --font-family-base: "FKGroteskNeue", "Geist", "Inter", -apple-system,
    BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-family-mono: "Berkeley Mono", ui-monospace, SFMono-Regular, Menlo,
    Monaco, Consolas, monospace;
  --font-size-xs: 11px;
  --font-size-sm: 12px;
  --font-size-base: 14px;
  --font-size-md: 14px;
  --font-size-lg: 16px;
  --font-size-xl: 18px;
  --font-size-2xl: 20px;
  --font-size-3xl: 24px;
  --font-size-4xl: 30px;
  --font-weight-normal: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 550;
  --font-weight-bold: 600;
  --line-height-tight: 1.2;
  --line-height-normal: 1.5;
  --letter-spacing-tight: -0.01em;

  /* Spacing */
  --space-0: 0;
  --space-1: 1px;
  --space-2: 2px;
  --space-4: 4px;
  --space-6: 6px;
  --space-8: 8px;
  --space-10: 10px;
  --space-12: 12px;
  --space-16: 16px;
  --space-20: 20px;
  --space-24: 24px;
  --space-32: 32px;

  /* Border Radius */
  --radius-sm: 6px;
  --radius-base: 8px;
  --radius-md: 10px;
  --radius-lg: 12px;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.02);
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.04), 0 1px 2px rgba(0, 0, 0, 0.02);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.04),
    0 2px 4px -1px rgba(0, 0, 0, 0.02);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.04),
    0 4px 6px -2px rgba(0, 0, 0, 0.02);
  --shadow-inset-sm: inset 0 1px 0 rgba(41, 41, 41, 0.15),
    inset 0 -1px 0 rgba(0, 0, 0, 0.03);

  /* Animation */
  --duration-fast: 150ms;
  --duration-normal: 250ms;
  --ease-standard: cubic-bezier(0.16, 1, 0.3, 1);

  /* Layout */
  --container-sm: 640px;
  --container-md: 768px;
  --container-lg: 1024px;
  --container-xl: 1280px;
}

/* Dark mode colors */
@media (prefers-color-scheme: dark) {
  :root {
    /* RGB versions for opacity control (Dark Mode) */
    --color-gray-400-rgb: 119, 124, 124;
    --color-teal-300-rgb: 50, 184, 198;
    --color-gray-300-rgb: 167, 169, 169;
    --color-gray-200-rgb: 245, 245, 245;

    /* Background color tokens (Dark Mode) */
    --color-bg-1: rgba(29, 78, 216, 0.15); /* Dark blue */
    --color-bg-2: rgba(180, 83, 9, 0.15); /* Dark yellow */
    --color-bg-3: rgba(21, 128, 61, 0.15); /* Dark green */
    --color-bg-4: rgba(185, 28, 28, 0.15); /* Dark red */
    --color-bg-5: rgba(107, 33, 168, 0.15); /* Dark purple */
    --color-bg-6: rgba(194, 65, 12, 0.15); /* Dark orange */
    --color-bg-7: rgba(190, 24, 93, 0.15); /* Dark pink */
    --color-bg-8: rgba(8, 145, 178, 0.15); /* Dark cyan */

    /* Semantic Color Tokens (Dark Mode) */
    --color-background: var(--color-charcoal-700);
    --color-surface: var(--color-charcoal-800);
    --color-text: var(--color-gray-200);
    --color-text-secondary: rgba(var(--color-gray-300-rgb), 0.7);
    --color-primary: var(--color-teal-300);
    --color-primary-hover: var(--color-teal-400);
    --color-primary-active: var(--color-teal-800);
    --color-secondary: rgba(var(--color-gray-400-rgb), 0.15);
    --color-secondary-hover: rgba(var(--color-gray-400-rgb), 0.25);
    --color-secondary-active: rgba(var(--color-gray-400-rgb), 0.3);
    --color-border: rgba(var(--color-gray-400-rgb), 0.3);
    --color-error: var(--color-red-400);
    --color-success: var(--color-teal-300);
    --color-warning: var(--color-orange-400);
    --color-info: var(--color-gray-300);
    --color-focus-ring: rgba(var(--color-teal-300-rgb), 0.4);
    --color-btn-primary-text: var(--color-slate-900);
    --color-card-border: rgba(var(--color-gray-400-rgb), 0.2);
    --color-card-border-inner: rgba(var(--color-gray-400-rgb), 0.15);
    --shadow-inset-sm: inset 0 1px 0 rgba(41, 41, 41, 0.1),
      inset 0 -1px 0 rgba(0, 0, 0, 0.15);
    --button-border-secondary: rgba(var(--color-gray-400-rgb), 0.2);
    --color-border-secondary: rgba(var(--color-gray-400-rgb), 0.2);
    --color-select-caret: rgba(var(--color-gray-200-rgb), 0.8);

    /* Common style patterns - updated for dark mode */
    --focus-ring: 0 0 0 3px var(--color-focus-ring);
    --focus-outline: 2px solid var(--color-primary);
    --status-bg-opacity: 0.15;
    --status-border-opacity: 0.25;
    --select-caret-light: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23134252' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    --select-caret-dark: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23f5f5f5' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");

    /* RGB versions for dark mode */
    --color-success-rgb: var(--color-teal-300-rgb);
    --color-error-rgb: var(--color-red-400-rgb);
    --color-warning-rgb: var(--color-orange-400-rgb);
    --color-info-rgb: var(--color-gray-300-rgb);
  }
}

/* Data attribute for manual theme switching */
[data-color-scheme="dark"] {
  /* RGB versions for opacity control (dark mode) */
  --color-gray-400-rgb: 119, 124, 124;
  --color-teal-300-rgb: 50, 184, 198;
  --color-gray-300-rgb: 167, 169, 169;
  --color-gray-200-rgb: 245, 245, 245;

  /* Colorful background palette - Dark Mode */
  --color-bg-1: rgba(29, 78, 216, 0.15); /* Dark blue */
  --color-bg-2: rgba(180, 83, 9, 0.15); /* Dark yellow */
  --color-bg-3: rgba(21, 128, 61, 0.15); /* Dark green */
  --color-bg-4: rgba(185, 28, 28, 0.15); /* Dark red */
  --color-bg-5: rgba(107, 33, 168, 0.15); /* Dark purple */
  --color-bg-6: rgba(194, 65, 12, 0.15); /* Dark orange */
  --color-bg-7: rgba(190, 24, 93, 0.15); /* Dark pink */
  --color-bg-8: rgba(8, 145, 178, 0.15); /* Dark cyan */

  /* Semantic Color Tokens (Dark Mode) */
  --color-background: var(--color-charcoal-700);
  --color-surface: var(--color-charcoal-800);
  --color-text: var(--color-gray-200);
  --color-text-secondary: rgba(var(--color-gray-300-rgb), 0.7);
  --color-primary: var(--color-teal-300);
  --color-primary-hover: var(--color-teal-400);
  --color-primary-active: var(--color-teal-800);
  --color-secondary: rgba(var(--color-gray-400-rgb), 0.15);
  --color-secondary-hover: rgba(var(--color-gray-400-rgb), 0.25);
  --color-secondary-active: rgba(var(--color-gray-400-rgb), 0.3);
  --color-border: rgba(var(--color-gray-400-rgb), 0.3);
  --color-error: var(--color-red-400);
  --color-success: var(--color-teal-300);
  --color-warning: var(--color-orange-400);
  --color-info: var(--color-gray-300);
  --color-focus-ring: rgba(var(--color-teal-300-rgb), 0.4);
  --color-btn-primary-text: var(--color-slate-900);
  --color-card-border: rgba(var(--color-gray-400-rgb), 0.15);
  --color-card-border-inner: rgba(var(--color-gray-400-rgb), 0.15);
  --shadow-inset-sm: inset 0 1px 0 rgba(41, 41, 41, 0.1),
    inset 0 -1px 0 rgba(0, 0, 0, 0.15);
  --color-border-secondary: rgba(var(--color-gray-400-rgb), 0.2);
  --color-select-caret: rgba(var(--color-gray-200-rgb), 0.8);

  /* Common style patterns - updated for dark mode */
  --focus-ring: 0 0 0 3px var(--color-focus-ring);
  --focus-outline: 2px solid var(--color-primary);
  --status-bg-opacity: 0.15;
  --status-border-opacity: 0.25;
  --select-caret-light: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23134252' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
  --select-caret-dark: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23f5f5f5' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");

  /* RGB versions for dark mode */
  --color-success-rgb: var(--color-teal-300-rgb);
  --color-error-rgb: var(--color-red-400-rgb);
  --color-warning-rgb: var(--color-orange-400-rgb);
  --color-info-rgb: var(--color-gray-300-rgb);
}

[data-color-scheme="light"] {
  /* RGB versions for opacity control (light mode) */
  --color-brown-600-rgb: 94, 82, 64;
  --color-teal-500-rgb: 33, 128, 141;
  --color-slate-900-rgb: 19, 52, 59;

  /* Semantic Color Tokens (Light Mode) */
  --color-background: var(--color-cream-50);
  --color-surface: var(--color-cream-100);
  --color-text: var(--color-slate-900);
  --color-text-secondary: var(--color-slate-500);
  --color-primary: var(--color-teal-500);
  --color-primary-hover: var(--color-teal-600);
  --color-primary-active: var(--color-teal-700);
  --color-secondary: rgba(var(--color-brown-600-rgb), 0.12);
  --color-secondary-hover: rgba(var(--color-brown-600-rgb), 0.2);
  --color-secondary-active: rgba(var(--color-brown-600-rgb), 0.25);
  --color-border: rgba(var(--color-brown-600-rgb), 0.2);
  --color-btn-primary-text: var(--color-cream-50);
  --color-card-border: rgba(var(--color-brown-600-rgb), 0.12);
  --color-card-border-inner: rgba(var(--color-brown-600-rgb), 0.12);
  --color-error: var(--color-red-500);
  --color-success: var(--color-teal-500);
  --color-warning: var(--color-orange-500);
  --color-info: var(--color-slate-500);
  --color-focus-ring: rgba(var(--color-teal-500-rgb), 0.4);

  /* RGB versions for light mode */
  --color-success-rgb: var(--color-teal-500-rgb);
  --color-error-rgb: var(--color-red-500-rgb);
  --color-warning-rgb: var(--color-orange-500-rgb);
  --color-info-rgb: var(--color-slate-500-rgb);
}

/* Base styles */
html {
  font-size: var(--font-size-base);
  font-family: var(--font-family-base);
  line-height: var(--line-height-normal);
  color: var(--color-text);
  background-color: var(--color-background);
  -webkit-font-smoothing: antialiased;
  box-sizing: border-box;
}

body {
  margin: 0;
  padding: 0;
}

*,
*::before,
*::after {
  box-sizing: inherit;
}

/* Typography */
h1,
h2,
h3,
h4,
h5,
h6 {
  margin: 0;
  font-weight: var(--font-weight-semibold);
  line-height: var(--line-height-tight);
  color: var(--color-text);
  letter-spacing: var(--letter-spacing-tight);
}

h1 {
  font-size: var(--font-size-4xl);
}
h2 {
  font-size: var(--font-size-3xl);
}
h3 {
  font-size: var(--font-size-2xl);
}
h4 {
  font-size: var(--font-size-xl);
}
h5 {
  font-size: var(--font-size-lg);
}
h6 {
  font-size: var(--font-size-md);
}

p {
  margin: 0 0 var(--space-16) 0;
}

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color var(--duration-fast) var(--ease-standard);
}

a:hover {
  color: var(--color-primary-hover);
}

code,
pre {
  font-family: var(--font-family-mono);
  font-size: calc(var(--font-size-base) * 0.95);
  background-color: var(--color-secondary);
  border-radius: var(--radius-sm);
}

code {
  padding: var(--space-1) var(--space-4);
}

pre {
  padding: var(--space-16);
  margin: var(--space-16) 0;
  overflow: auto;
  border: 1px solid var(--color-border);
}

pre code {
  background: none;
  padding: 0;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-8) var(--space-16);
  border-radius: var(--radius-base);
  font-size: var(--font-size-base);
  font-weight: 500;
  line-height: 1.5;
  cursor: pointer;
  transition: all var(--duration-normal) var(--ease-standard);
  border: none;
  text-decoration: none;
  position: relative;
}

.btn:focus-visible {
  outline: none;
  box-shadow: var(--focus-ring);
}

.btn--primary {
  background: var(--color-primary);
  color: var(--color-btn-primary-text);
}

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

.btn--primary:active {
  background: var(--color-primary-active);
}

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

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

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

.btn--outline {
  background: transparent;
  border: 1px solid var(--color-border);
  color: var(--color-text);
}

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

.btn--sm {
  padding: var(--space-4) var(--space-12);
  font-size: var(--font-size-sm);
  border-radius: var(--radius-sm);
}

.btn--lg {
  padding: var(--space-10) var(--space-20);
  font-size: var(--font-size-lg);
  border-radius: var(--radius-md);
}

.btn--full-width {
  width: 100%;
}

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

/* Form elements */
.form-control {
  display: block;
  width: 100%;
  padding: var(--space-8) var(--space-12);
  font-size: var(--font-size-md);
  line-height: 1.5;
  color: var(--color-text);
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-base);
  transition: border-color var(--duration-fast) var(--ease-standard),
    box-shadow var(--duration-fast) var(--ease-standard);
}

textarea.form-control {
  font-family: var(--font-family-base);
  font-size: var(--font-size-base);
}

select.form-control {
  padding: var(--space-8) var(--space-12);
  -webkit-appearance: none;
  -moz-appearance: none;
  appearance: none;
  background-image: var(--select-caret-light);
  background-repeat: no-repeat;
  background-position: right var(--space-12) center;
  background-size: 16px;
  padding-right: var(--space-32);
}

/* Add a dark mode specific caret */
@media (prefers-color-scheme: dark) {
  select.form-control {
    background-image: var(--select-caret-dark);
  }
}

/* Also handle data-color-scheme */
[data-color-scheme="dark"] select.form-control {
  background-image: var(--select-caret-dark);
}

[data-color-scheme="light"] select.form-control {
  background-image: var(--select-caret-light);
}

.form-control:focus {
  border-color: var(--color-primary);
  outline: var(--focus-outline);
}

.form-label {
  display: block;
  margin-bottom: var(--space-8);
  font-weight: var(--font-weight-medium);
  font-size: var(--font-size-sm);
}

.form-group {
  margin-bottom: var(--space-16);
}

/* Card component */
.card {
  background-color: var(--color-surface);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-card-border);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  transition: box-shadow var(--duration-normal) var(--ease-standard);
}

.card:hover {
  box-shadow: var(--shadow-md);
}

.card__body {
  padding: var(--space-16);
}

.card__header,
.card__footer {
  padding: var(--space-16);
  border-bottom: 1px solid var(--color-card-border-inner);
}

/* Status indicators - simplified with CSS variables */
.status {
  display: inline-flex;
  align-items: center;
  padding: var(--space-6) var(--space-12);
  border-radius: var(--radius-full);
  font-weight: var(--font-weight-medium);
  font-size: var(--font-size-sm);
}

.status--success {
  background-color: rgba(
    var(--color-success-rgb, 33, 128, 141),
    var(--status-bg-opacity)
  );
  color: var(--color-success);
  border: 1px solid
    rgba(var(--color-success-rgb, 33, 128, 141), var(--status-border-opacity));
}

.status--error {
  background-color: rgba(
    var(--color-error-rgb, 192, 21, 47),
    var(--status-bg-opacity)
  );
  color: var(--color-error);
  border: 1px solid
    rgba(var(--color-error-rgb, 192, 21, 47), var(--status-border-opacity));
}

.status--warning {
  background-color: rgba(
    var(--color-warning-rgb, 168, 75, 47),
    var(--status-bg-opacity)
  );
  color: var(--color-warning);
  border: 1px solid
    rgba(var(--color-warning-rgb, 168, 75, 47), var(--status-border-opacity));
}

.status--info {
  background-color: rgba(
    var(--color-info-rgb, 98, 108, 113),
    var(--status-bg-opacity)
  );
  color: var(--color-info);
  border: 1px solid
    rgba(var(--color-info-rgb, 98, 108, 113), var(--status-border-opacity));
}

/* Container layout */
.container {
  width: 100%;
  margin-right: auto;
  margin-left: auto;
  padding-right: var(--space-16);
  padding-left: var(--space-16);
}

@media (min-width: 640px) {
  .container {
    max-width: var(--container-sm);
  }
}
@media (min-width: 768px) {
  .container {
    max-width: var(--container-md);
  }
}
@media (min-width: 1024px) {
  .container {
    max-width: var(--container-lg);
  }
}
@media (min-width: 1280px) {
  .container {
    max-width: var(--container-xl);
  }
}

/* Utility classes */
.flex {
  display: flex;
}
.flex-col {
  flex-direction: column;
}
.items-center {
  align-items: center;
}
.justify-center {
  justify-content: center;
}
.justify-between {
  justify-content: space-between;
}
.gap-4 {
  gap: var(--space-4);
}
.gap-8 {
  gap: var(--space-8);
}
.gap-16 {
  gap: var(--space-16);
}

.m-0 {
  margin: 0;
}
.mt-8 {
  margin-top: var(--space-8);
}
.mb-8 {
  margin-bottom: var(--space-8);
}
.mx-8 {
  margin-left: var(--space-8);
  margin-right: var(--space-8);
}
.my-8 {
  margin-top: var(--space-8);
  margin-bottom: var(--space-8);
}

.p-0 {
  padding: 0;
}
.py-8 {
  padding-top: var(--space-8);
  padding-bottom: var(--space-8);
}
.px-8 {
  padding-left: var(--space-8);
  padding-right: var(--space-8);
}
.py-16 {
  padding-top: var(--space-16);
  padding-bottom: var(--space-16);
}
.px-16 {
  padding-left: var(--space-16);
  padding-right: var(--space-16);
}

.block {
  display: block;
}
.hidden {
  display: none;
}

/* Accessibility */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}

:focus-visible {
  outline: var(--focus-outline);
  outline-offset: 2px;
}

/* Dark mode specifics */
[data-color-scheme="dark"] .btn--outline {
  border: 1px solid var(--color-border-secondary);
}

@font-face {
  font-family: 'FKGroteskNeue';
  src: url('https://r2cdn.perplexity.ai/fonts/FKGroteskNeue.woff2')
    format('woff2');
}

/* END PERPLEXITY DESIGN SYSTEM */
:root {
  /* Color Palette — JugaadBox cream theme */
  --color-primary: #A8500A;
  --color-primary-dark: #8F4308;
  --color-primary-fill: #F68827;
  --color-secondary: #D96F14;
  --color-accent: #FBB35F;
  --color-success: #2F8F5B;
  --color-error: #C8452F;
  --color-warning: #D98C0B;

  /* Background Colors */
  --color-bg-primary: #F0EFC6;
  --color-bg-secondary: #F7F6E2;
  --color-bg-tertiary: #FDFCF1;
  --color-bg-card: #FDFCF1;
  --color-bg-input: #FFFFFF;

  /* Text Colors */
  --color-text-primary: #292929;
  --color-text-secondary: #5A5A52;
  --color-text-muted: #6E6E62;

  /* Border Colors */
  --color-border: rgba(41, 41, 41, 0.14);
  --color-border-focus: var(--color-primary-fill);

  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(41, 41, 41, 0.10), 0 1px 2px rgba(41, 41, 41, 0.08);
  --shadow-md: 0 4px 6px rgba(41, 41, 41, 0.10), 0 2px 4px rgba(41, 41, 41, 0.06);
  --shadow-lg: 0 10px 15px rgba(41, 41, 41, 0.10), 0 4px 6px rgba(41, 41, 41, 0.05);
  
  /* 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: 0.25rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  
  /* Typography */
  --font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', sans-serif;
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 1.875rem;
  --font-size-4xl: 2.25rem;
  
  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-normal: 250ms ease;
  --transition-slow: 350ms ease;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-family);
  background: linear-gradient(135deg, var(--color-bg-primary) 0%, var(--color-bg-secondary) 50%, var(--color-bg-tertiary) 100%);
  color: var(--color-text-primary);
  line-height: 1.6;
  min-height: 100vh;
  overflow-x: hidden;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-weight: 600;
  line-height: 1.2;
  margin-bottom: var(--space-md);
}

h1 { font-size: var(--font-size-4xl); }
h2 { font-size: var(--font-size-3xl); }
h3 { font-size: var(--font-size-2xl); }
h4 { font-size: var(--font-size-xl); }
h5 { font-size: var(--font-size-lg); }
h6 { font-size: var(--font-size-base); }

p {
  margin-bottom: var(--space-md);
  color: var(--color-text-secondary);
}

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--color-primary-dark);
}

/* Container */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-md);
}

/* Header */
.header {
  padding: var(--space-lg) 0;
  text-align: center;
  background: rgba(41, 41, 41, 0.02);
  border-bottom: 1px solid var(--color-border);
}

.logo {
  font-size: var(--font-size-3xl);
  font-weight: 700;
  background: linear-gradient(45deg, var(--color-primary), var(--color-accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: var(--space-sm);
}

.tagline {
  color: var(--color-text-secondary);
  font-size: var(--font-size-lg);
  margin: 0;
}

/* Main Content */
.main-content {
  padding: var(--space-2xl) 0;
}

.content-wrapper {
  display: grid;
  grid-template-columns: 300px 1fr 300px;
  gap: var(--space-xl);
  align-items: start;
}

.app-container {
  background: var(--color-bg-card);
  border-radius: var(--radius-xl);
  padding: var(--space-xl);
  backdrop-filter: blur(10px);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-lg);
}

/* SEO Content */
.seo-content {
  margin-bottom: var(--space-2xl);
}

.features-list {
  list-style: none;
  margin: var(--space-lg) 0;
}

.features-list li {
  padding: var(--space-sm) 0;
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--space-lg);
  margin-top: var(--space-lg);
}

.feature-card {
  background: var(--color-bg-card);
  padding: var(--space-lg);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.feature-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.feature-card h4 {
  color: var(--color-primary);
  margin-bottom: var(--space-sm);
}

/* QR Generator */
.qr-generator {
  margin-bottom: var(--space-2xl);
}

.generator-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-2xl);
  margin-top: var(--space-xl);
}

.input-section, .preview-section {
  background: rgba(41, 41, 41, 0.03);
  padding: var(--space-xl);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
}

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

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

.form-control {
  width: 100%;
  padding: var(--space-md);
  background: var(--color-bg-input);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  color: var(--color-text-primary);
  font-size: var(--font-size-base);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  min-height: 44px;
}

.form-control:focus {
  outline: none;
  border-color: var(--color-border-focus);
  box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.form-control::placeholder {
  color: var(--color-text-muted);
}

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

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

/* QR Type Selector */
.qr-type-selector {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: var(--space-sm);
}

.qr-type-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: var(--space-md);
  background: var(--color-bg-input);
  border: 2px solid var(--color-border);
  border-radius: var(--radius-lg);
  color: var(--color-text-secondary);
  cursor: pointer;
  transition: all var(--transition-fast);
  text-align: center;
  min-height: 80px;
  font-size: var(--font-size-xs);
  font-weight: 500;
}

.qr-type-btn:hover {
  border-color: var(--color-primary);
  background: rgba(102, 126, 234, 0.1);
}

.qr-type-btn.active {
  border-color: var(--color-primary);
  background: rgba(102, 126, 234, 0.2);
  color: var(--color-text-primary);
}

.qr-type-icon {
  font-size: var(--font-size-xl);
  margin-bottom: var(--space-xs);
}

/* Color Inputs */
.color-input-wrapper {
  display: flex;
  gap: var(--space-sm);
  align-items: center;
}

.color-input {
  width: 60px;
  height: 44px;
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  background: transparent;
}

.color-text {
  flex: 1;
  padding: var(--space-md);
  background: var(--color-bg-input);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  color: var(--color-text-primary);
  font-family: monospace;
  font-size: var(--font-size-sm);
}

/* Range Inputs */
.range-input {
  width: 100%;
  height: 8px;
  border-radius: var(--radius-sm);
  background: var(--color-bg-input);
  outline: none;
  cursor: pointer;
  -webkit-appearance: none;
  appearance: none;
}

.range-input::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--color-primary);
  cursor: pointer;
  border: 2px solid var(--color-text-primary);
  box-shadow: var(--shadow-sm);
}

.range-input::-moz-range-thumb {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--color-primary);
  cursor: pointer;
  border: 2px solid var(--color-text-primary);
  box-shadow: var(--shadow-sm);
}

/* File Input */
.file-input {
  width: 100%;
  padding: var(--space-md);
  background: var(--color-bg-input);
  border: 2px dashed var(--color-border);
  border-radius: var(--radius-md);
  color: var(--color-text-secondary);
  cursor: pointer;
  transition: border-color var(--transition-fast);
  min-height: 44px;
}

.file-input:hover {
  border-color: var(--color-primary);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-md) var(--space-lg);
  background: var(--color-primary);
  color: var(--color-text-primary);
  border: none;
  border-radius: var(--radius-md);
  font-size: var(--font-size-base);
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-fast);
  text-decoration: none;
  min-height: 44px;
  gap: var(--space-sm);
}

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

.btn:active {
  transform: translateY(0);
}

.btn--sm {
  padding: var(--space-sm) var(--space-md);
  font-size: var(--font-size-sm);
  min-height: 36px;
}

.btn--outline {
  background: transparent;
  border: 2px solid var(--color-border);
  color: var(--color-text-secondary);
}

.btn--outline:hover {
  border-color: var(--color-primary);
  color: var(--color-text-primary);
  background: rgba(102, 126, 234, 0.1);
}

.btn--primary {
  background: linear-gradient(45deg, var(--color-primary), var(--color-secondary));
}

.btn--primary:hover {
  background: linear-gradient(45deg, var(--color-primary-dark), var(--color-secondary));
}

/* QR Preview */
.qr-preview-container {
  text-align: center;
  margin-bottom: var(--space-xl);
}

.qr-code-wrapper {
  position: relative;
  display: inline-block;
  background: white;
  border-radius: var(--radius-lg);
  padding: var(--space-md);
  box-shadow: var(--shadow-lg);
  margin-bottom: var(--space-lg);
}

#qrCanvas {
  display: block;
  max-width: 100%;
  height: auto;
}

.loading-spinner {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-size: var(--font-size-2xl);
  animation: spin 1s linear infinite;
}

@keyframes spin {
  from { transform: translate(-50%, -50%) rotate(0deg); }
  to { transform: translate(-50%, -50%) rotate(360deg); }
}

.error-message {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  color: var(--color-error);
  font-size: var(--font-size-sm);
  text-align: center;
  padding: var(--space-md);
  max-width: 200px;
}

.preview-info {
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
}

.preview-size {
  font-weight: 500;
}

.scan-instruction {
  color: var(--color-text-muted);
}

/* Download Section */
.download-section {
  text-align: center;
}

.download-buttons {
  display: flex;
  gap: var(--space-md);
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: var(--space-md);
}

.download-btn {
  min-width: 100px;
}

.download-note {
  color: var(--color-success);
  font-size: var(--font-size-sm);
  font-weight: 500;
  margin: 0;
}

/* Customization Section */
.customization-section {
  margin-top: var(--space-xl);
  padding-top: var(--space-xl);
  border-top: 1px solid var(--color-border);
}

/* Ad Containers */
.ad-container {
  background: rgba(41, 41, 41, 0.02);
  border: 1px dashed var(--color-border);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-muted);
  font-size: var(--font-size-sm);
  position: relative;
}

.ad-top-banner, .ad-bottom-banner {
  height: 90px;
  margin: var(--space-lg) 0;
}

.ad-left-sidebar, .ad-right-sidebar {
  width: 300px;
  height: 600px;
  position: sticky;
  top: var(--space-xl);
}

.ad-mobile-banner {
  height: 50px;
  margin: var(--space-md) 0;
  display: none;
}

.ad-container::before {
  content: "Advertisement";
  position: absolute;
  top: var(--space-xs);
  left: var(--space-xs);
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  opacity: 0.5;
}

/* Footer */
.footer {
  background: var(--color-bg-tertiary);
  padding: var(--space-2xl) 0 var(--space-lg);
  border-top: 1px solid var(--color-border);
  margin-top: var(--space-2xl);
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--space-xl);
  margin-bottom: var(--space-xl);
}

.footer-section h4 {
  color: var(--color-primary);
  margin-bottom: var(--space-md);
}

.footer-section ul {
  list-style: none;
}

.footer-section ul li {
  padding: var(--space-xs) 0;
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
}

.footer-bottom {
  text-align: center;
  padding-top: var(--space-lg);
  border-top: 1px solid var(--color-border);
  color: var(--color-text-muted);
  font-size: var(--font-size-sm);
}

/* Hidden Elements */
.hidden {
  display: none !important;
}

/* Responsive Design */
@media (max-width: 1024px) {
  .content-wrapper {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
  }
  
  .ad-left-sidebar, .ad-right-sidebar {
    display: none;
  }
  
  .generator-container {
    grid-template-columns: 1fr;
    gap: var(--space-xl);
  }
  
  .features-grid {
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  }
}

@media (max-width: 768px) {
  .container {
    padding: 0 var(--space-sm);
  }
  
  .app-container {
    padding: var(--space-lg);
  }
  
  .input-section, .preview-section {
    padding: var(--space-lg);
  }
  
  .form-row {
    grid-template-columns: 1fr;
    gap: var(--space-md);
  }
  
  .qr-type-selector {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .download-buttons {
    flex-direction: column;
    align-items: center;
  }
  
  .download-btn {
    width: 100%;
    max-width: 200px;
  }
  
  .ad-top-banner, .ad-bottom-banner {
    display: none;
  }
  
  .ad-mobile-banner {
    display: flex;
  }
  
  h1 { font-size: var(--font-size-2xl); }
  h2 { font-size: var(--font-size-xl); }
  h3 { font-size: var(--font-size-lg); }
}

@media (max-width: 480px) {
  .qr-type-selector {
    grid-template-columns: 1fr;
  }
  
  .qr-type-btn {
    flex-direction: row;
    text-align: left;
    min-height: 60px;
  }
  
  .qr-type-icon {
    margin-right: var(--space-sm);
    margin-bottom: 0;
  }
  
  .color-input-wrapper {
    flex-direction: column;
    align-items: stretch;
  }
  
  .color-input {
    width: 100%;
  }
}

/* Accessibility */
@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* Focus Styles */
.btn:focus-visible,
.form-control:focus-visible,
.qr-type-btn:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

/* Loading States */
.loading {
  opacity: 0.6;
  pointer-events: none;
}

/* Success States */
.success-message {
  color: var(--color-success);
  font-size: var(--font-size-sm);
  text-align: center;
  padding: var(--space-sm);
  background: rgba(72, 187, 120, 0.1);
  border-radius: var(--radius-md);
  border: 1px solid rgba(72, 187, 120, 0.3);
  margin-top: var(--space-md);
}

/* High Contrast Mode */
@media (prefers-contrast: high) {
  :root {
    --color-border: #ffffff;
    --color-text-secondary: #ffffff;
    --color-text-muted: #86867A;
  }
}

/* Print Styles */
@media print {
  .ad-container,
  .footer,
  .header {
    display: none;
  }
  
  body {
    background: white;
    color: black;
  }
  
  .app-container {
    background: white;
    border: 1px solid black;
    box-shadow: none;
  }
}

/* ============================================
   ESSENTIAL UPGRADE - NEW STYLES
   ============================================ */

/* ===================
   NAVIGATION
   =================== */
.top-nav {
  background: rgba(253, 252, 241, 0.97);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(148, 163, 184, 0.1);
  padding: 16px 0;
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.nav-container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  text-decoration: none;
  display: flex;
  align-items: center;
}

.logo-text {
  font-size: 1.25rem;
  font-weight: 700;
  color: #5A5A52;
  letter-spacing: -0.025em;
}

.logo-img {
  height: 32px;
  width: auto;
}

.nav-logo:hover .logo-text {
  color: #a5b4fc;
}

.home-btn {
  padding: 10px 24px;
  background: rgba(102, 126, 234, 0.15);
  border: 1px solid rgba(102, 126, 234, 0.4);
  border-radius: 8px;
  color: #5A5A52;
  text-decoration: none;
  font-weight: 600;
  font-size: 0.95rem;
  transition: all 0.2s ease;
}

.home-btn:hover {
  background: rgba(102, 126, 234, 0.25);
  border-color: rgba(102, 126, 234, 0.6);
  color: #5A5A52;
  transform: translateY(-1px);
}

/* ===================
   LAYOUT
   =================== */
.app-container {
  max-width: 1600px;
  margin: 0 auto;
  padding: 0;
}

.app-layout {
  display: grid;
  grid-template-columns: 300px 1fr 350px;
  gap: 24px;
  padding: 24px;
  max-width: 1600px;
  margin: 0 auto;
}

.generator-main {
  min-width: 0;
}

.preview-sidebar {
  min-width: 0;
}

/* ===================
   AD PLACEMENTS
   =================== */
.ad-sidebar-left,
.ad-right-sidebar {
  position: relative;
}

.ad-sticky {
  position: sticky;
  top: 100px;
}

.ad-placeholder {
  background: rgba(148, 163, 184, 0.05);
  border: 2px dashed rgba(148, 163, 184, 0.2);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(148, 163, 184, 0.5);
  font-size: 0.875rem;
  min-height: 250px;
}

.ad-placeholder::before {
  content: "Advertisement";
}

.ad-300x600 {
  width: 300px;
  min-height: 600px;
}

.ad-300x250 {
  width: 300px;
  min-height: 250px;
  margin-top: 24px;
}

.ad-top-banner,
.ad-bottom-banner {
  padding: 16px;
  text-align: center;
}

.desktop-only {
  display: block;
}

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

/* ===================
   QR SIZE FIX
   =================== */
#qrCodeDisplay canvas,
#qrPreview canvas,
canvas#qrCanvas {
  min-width: 280px !important;
  min-height: 280px !important;
  max-width: 400px !important;
  max-height: 400px !important;
  width: auto !important;
  height: auto !important;
  margin: 0 auto;
  display: block !important;
  border-radius: 12px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
}

.qr-preview-container {
  min-height: 400px;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.qr-code-display {
  width: 100%;
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 20px;
}

#qrPreview {
  width: 100%;
}

.qr-placeholder {
  min-height: 350px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(41, 41, 41, 0.03);
  border: 2px dashed rgba(41, 41, 41, 0.1);
  border-radius: 12px;
  padding: 40px 20px;
}

.placeholder-content {
  text-align: center;
}

.placeholder-icon {
  font-size: 4rem;
  display: block;
  margin-bottom: 16px;
  opacity: 0.5;
}

.placeholder-hint {
  font-size: 0.875rem;
  color: rgba(41, 41, 41, 0.62);
  margin-top: 8px;
}

/* ===================
   DOWNLOAD SECTION
   =================== */
.download-section {
  margin-top: 32px;
  padding: 20px;
  background: rgba(41, 41, 41, 0.03);
  border-radius: 12px;
}

.download-title {
  font-size: 1.25rem;
  margin-bottom: 8px;
  color: #5A5A52;
}

.download-hint {
  font-size: 0.875rem;
  color: rgba(41, 41, 41, 0.72);
  margin-bottom: 20px;
}

.quality-selector {
  margin-bottom: 20px;
}

.quality-label {
  display: block;
  margin-bottom: 8px;
  font-weight: 500;
  color: #5A5A52;
}

.download-buttons {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-bottom: 16px;
}

.btn-download {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  padding: 16px 12px;
  background: rgba(102, 126, 234, 0.15);
  border: 1px solid rgba(102, 126, 234, 0.3);
  border-radius: 8px;
  color: #5A5A52;
  font-weight: 600;
  font-size: 0.875rem;
  cursor: pointer;
  transition: all 0.2s ease;
}

.btn-download:hover {
  background: rgba(102, 126, 234, 0.25);
  border-color: rgba(102, 126, 234, 0.5);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(102, 126, 234, 0.3);
}

.btn-download .btn-icon {
  font-size: 1.5rem;
}

.btn-download-all {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: 14px 24px;
  background: linear-gradient(135deg, #E2760F 0%, #B85A0C 100%);
  border: none;
  border-radius: 8px;
  color: white;
  font-weight: 700;
  font-size: 1rem;
  cursor: pointer;
  transition: all 0.3s ease;
}

.btn-download-all:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(102, 126, 234, 0.4);
}

.btn-download-all .btn-icon {
  font-size: 1.25rem;
}

/* ===================
   MESSAGES
   =================== */
.message {
  display: none;
  padding: 12px 16px;
  border-radius: 8px;
  margin: 12px 0;
  font-size: 0.95rem;
}

.error-message {
  background-color: rgba(245, 101, 101, 0.1);
  color: #fc8181;
  border: 1px solid rgba(245, 101, 101, 0.3);
}

.success-message {
  background-color: rgba(72, 187, 120, 0.1);
  color: #68d391;
  border: 1px solid rgba(72, 187, 120, 0.3);
}

.loading-spinner {
  text-align: center;
  padding: 40px 20px;
}

.spinner {
  width: 40px;
  height: 40px;
  margin: 0 auto 16px;
  border: 4px solid rgba(41, 41, 41, 0.1);
  border-top-color: #F68827;
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* ===================
   SELECT DROPDOWN FIX
   =================== */
select.form-control {
  color: #292929 !important;
  background-color: #FFFFFF !important;
}

select.form-control option {
  background-color: #FFFFFF;
  color: #292929;
  padding: 8px 12px;
}

/* ===================
   FEATURES SECTION
   =================== */
.features-info {
  padding: 60px 24px;
  background: rgba(41, 41, 41, 0.02);
  margin-top: 40px;
}

.features-container {
  max-width: 1200px;
  margin: 0 auto;
}

.features-title {
  text-align: center;
  font-size: 2rem;
  margin-bottom: 40px;
  color: #5A5A52;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 24px;
}

.feature-card {
  background: rgba(41, 41, 41, 0.03);
  border: 1px solid rgba(41, 41, 41, 0.1);
  border-radius: 12px;
  padding: 24px;
  text-align: center;
  transition: all 0.3s ease;
}

.feature-card:hover {
  transform: translateY(-4px);
  border-color: rgba(102, 126, 234, 0.5);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
}

.feature-icon {
  font-size: 3rem;
  margin-bottom: 16px;
}

.feature-card h3 {
  font-size: 1.25rem;
  margin-bottom: 12px;
  color: #5A5A52;
}

.feature-card p {
  color: rgba(41, 41, 41, 0.78);
  line-height: 1.6;
}

/* ===================
   RESPONSIVE
   =================== */

/* Tablet (768px - 1199px) */
@media (max-width: 1199px) {
  .app-layout {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .desktop-only {
    display: none;
  }

  .mobile-tablet-only {
    display: block;
  }

  .preview-sidebar {
    order: 3;
  }
}

/* Mobile (< 768px) */
@media (max-width: 768px) {
  .app-layout {
    padding: 16px;
  }

  .nav-container {
    padding: 0 16px;
  }

  .logo-text {
    font-size: 1.1rem;
  }

  .home-btn {
    padding: 8px 16px;
    font-size: 0.9rem;
  }

  #qrCodeDisplay canvas,
  #qrPreview canvas,
  canvas#qrCanvas {
    min-width: 240px !important;
    min-height: 240px !important;
    max-width: 320px !important;
    max-height: 320px !important;
  }

  .download-buttons {
    grid-template-columns: 1fr;
  }

  .features-title {
    font-size: 1.5rem;
  }

  .features-grid {
    grid-template-columns: 1fr;
  }
}

/* Small Mobile (< 480px) */
@media (max-width: 480px) {
  .features-highlight {
    flex-direction: column;
    align-items: stretch;
  }

  .feature-badge {
    text-align: center;
  }
}
/* ============================================
   CRITICAL CSS FIX - QR Type Grid Layout
   Add this to your style.css if buttons are stacking vertically
   ============================================ */

/* QR Type Grid - Make buttons display in a grid, not stacked */
.qr-type-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 12px;
  margin-bottom: 24px;
}

/* QR Type Button Styling */
.qr-type-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 16px 12px;
  background: rgba(41, 41, 41, 0.05);
  border: 2px solid rgba(41, 41, 41, 0.1);
  border-radius: 12px;
  cursor: pointer;
  transition: all 0.2s ease;
  min-height: 100px;
  text-align: center;
}

.qr-type-btn:hover {
  background: rgba(41, 41, 41, 0.08);
  border-color: rgba(102, 126, 234, 0.5);
  transform: translateY(-2px);
}

.qr-type-btn.active {
  background: rgba(102, 126, 234, 0.15);
  border-color: #F68827;
}

.type-icon {
  font-size: 2rem;
  line-height: 1;
}

.type-name {
  font-size: 0.875rem;
  font-weight: 500;
  color: #5A5A52;
  word-wrap: break-word;
  max-width: 100%;
}

/* Mobile: 2 columns */
@media (max-width: 640px) {
  .qr-type-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 8px;
  }

  .qr-type-btn {
    padding: 12px 8px;
    min-height: 80px;
  }

  .type-icon {
    font-size: 1.5rem;
  }

  .type-name {
    font-size: 0.75rem;
  }
}

/* Tablet: 3 columns */
@media (min-width: 641px) and (max-width: 1024px) {
  .qr-type-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* Desktop: 4 columns */
@media (min-width: 1025px) {
  .qr-type-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}