:root {
  /* Colors */
  --color-background: rgba(252, 252, 249, 1);
  --color-surface: rgba(255, 255, 253, 1);
  --color-text: rgba(19, 52, 59, 1);
  --color-text-secondary: rgba(98, 108, 113, 1);
  --color-primary: rgba(33, 128, 141, 1);
  --color-primary-hover: rgba(29, 116, 128, 1);
  --color-primary-active: rgba(26, 104, 115, 1);
  --color-secondary: rgba(94, 82, 64, 0.12);
  --color-secondary-hover: rgba(94, 82, 64, 0.2);
  --color-secondary-active: rgba(94, 82, 64, 0.25);
  --color-border: rgba(94, 82, 64, 0.2);
  --color-btn-primary-text: rgba(252, 252, 249, 1);
  --color-card-border: rgba(94, 82, 64, 0.12);
  --color-card-border-inner: rgba(94, 82, 64, 0.12);
  --color-error: rgba(192, 21, 47, 1);
  --color-success: rgba(33, 128, 141, 1);
  --color-warning: rgba(168, 75, 47, 1);
  --color-info: rgba(98, 108, 113, 1);
  --color-focus-ring: rgba(33, 128, 141, 0.4);
  --color-select-caret: rgba(19, 52, 59, 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(255, 255, 255, 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 {
    --color-background: rgba(31, 33, 33, 1);
    --color-surface: rgba(38, 40, 40, 1);
    --color-text: rgba(245, 245, 245, 1);
    --color-text-secondary: rgba(167, 169, 169, 0.7);
    --color-primary: rgba(50, 184, 198, 1);
    --color-primary-hover: rgba(45, 166, 178, 1);
    --color-primary-active: rgba(41, 150, 161, 1);
    --color-secondary: rgba(119, 124, 124, 0.15);
    --color-secondary-hover: rgba(119, 124, 124, 0.25);
    --color-secondary-active: rgba(119, 124, 124, 0.3);
    --color-border: rgba(119, 124, 124, 0.3);
    --color-error: rgba(255, 84, 89, 1);
    --color-success: rgba(50, 184, 198, 1);
    --color-warning: rgba(230, 129, 97, 1);
    --color-info: rgba(167, 169, 169, 1);
    --color-focus-ring: rgba(50, 184, 198, 0.4);
    --color-btn-primary-text: rgba(19, 52, 59, 1);
    --color-card-border: rgba(119, 124, 124, 0.2);
    --color-card-border-inner: rgba(119, 124, 124, 0.15);
    --shadow-inset-sm: inset 0 1px 0 rgba(255, 255, 255, 0.1),
      inset 0 -1px 0 rgba(0, 0, 0, 0.15);
    --button-border-secondary: rgba(119, 124, 124, 0.2);
    --color-border-secondary: rgba(119, 124, 124, 0.2);
    --color-select-caret: rgba(245, 245, 245, 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: 50, 184, 198;
    --color-error-rgb: 255, 84, 89;
    --color-warning-rgb: 230, 129, 97;
    --color-info-rgb: 167, 169, 169;
  }
}

/* Data attribute for manual theme switching */
[data-color-scheme="dark"] {
  --color-background: rgba(31, 33, 33, 1);
  --color-surface: rgba(38, 40, 40, 1);
  --color-text: rgba(245, 245, 245, 1);
  --color-text-secondary: rgba(167, 169, 169, 0.7);
  --color-primary: rgba(50, 184, 198, 1);
  --color-primary-hover: rgba(45, 166, 178, 1);
  --color-primary-active: rgba(41, 150, 161, 1);
  --color-secondary: rgba(119, 124, 124, 0.15);
  --color-secondary-hover: rgba(119, 124, 124, 0.25);
  --color-secondary-active: rgba(119, 124, 124, 0.3);
  --color-border: rgba(119, 124, 124, 0.3);
  --color-error: rgba(255, 84, 89, 1);
  --color-success: rgba(50, 184, 198, 1);
  --color-warning: rgba(230, 129, 97, 1);
  --color-info: rgba(167, 169, 169, 1);
  --color-focus-ring: rgba(50, 184, 198, 0.4);
  --color-btn-primary-text: rgba(19, 52, 59, 1);
  --color-card-border: rgba(119, 124, 124, 0.15);
  --color-card-border-inner: rgba(119, 124, 124, 0.15);
  --shadow-inset-sm: inset 0 1px 0 rgba(255, 255, 255, 0.1),
    inset 0 -1px 0 rgba(0, 0, 0, 0.15);
  --color-border-secondary: rgba(119, 124, 124, 0.2);
  --color-select-caret: rgba(245, 245, 245, 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: 50, 184, 198;
  --color-error-rgb: 255, 84, 89;
  --color-warning-rgb: 230, 129, 97;
  --color-info-rgb: 167, 169, 169;
}

[data-color-scheme="light"] {
  --color-background: rgba(252, 252, 249, 1);
  --color-surface: rgba(255, 255, 253, 1);
  --color-text: rgba(19, 52, 59, 1);
  --color-text-secondary: rgba(98, 108, 113, 1);
  --color-primary: rgba(33, 128, 141, 1);
  --color-primary-hover: rgba(29, 116, 128, 1);
  --color-primary-active: rgba(26, 104, 115, 1);
  --color-secondary: rgba(94, 82, 64, 0.12);
  --color-secondary-hover: rgba(94, 82, 64, 0.2);
  --color-secondary-active: rgba(94, 82, 64, 0.25);
  --color-border: rgba(94, 82, 64, 0.2);
  --color-btn-primary-text: rgba(252, 252, 249, 1);
  --color-card-border: rgba(94, 82, 64, 0.12);
  --color-card-border-inner: rgba(94, 82, 64, 0.12);
  --color-error: rgba(192, 21, 47, 1);
  --color-success: rgba(33, 128, 141, 1);
  --color-warning: rgba(168, 75, 47, 1);
  --color-info: rgba(98, 108, 113, 1);
  --color-focus-ring: rgba(33, 128, 141, 0.4);

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

/* 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');
}

/* Import design system variables */
:root {
  /* Colors */
  --color-background: rgba(252, 252, 249, 1);
  --color-surface: rgba(255, 255, 253, 1);
  --color-text: rgba(19, 52, 59, 1);
  --color-text-secondary: rgba(98, 108, 113, 1);
  --color-primary: rgba(33, 128, 141, 1);
  --color-primary-hover: rgba(29, 116, 128, 1);
  --color-primary-active: rgba(26, 104, 115, 1);
  --color-secondary: rgba(94, 82, 64, 0.12);
  --color-secondary-hover: rgba(94, 82, 64, 0.2);
  --color-secondary-active: rgba(94, 82, 64, 0.25);
  --color-border: rgba(94, 82, 64, 0.2);
  --color-btn-primary-text: rgba(252, 252, 249, 1);
  --color-card-border: rgba(94, 82, 64, 0.12);
  --color-card-border-inner: rgba(94, 82, 64, 0.12);
  --color-error: rgba(192, 21, 47, 1);
  --color-success: rgba(33, 128, 141, 1);
  --color-warning: rgba(168, 75, 47, 1);
  --color-info: rgba(98, 108, 113, 1);
  --color-focus-ring: rgba(33, 128, 141, 0.4);
  --color-select-caret: rgba(19, 52, 59, 0.8);

  /* Brand colors */
  --purple-primary: #6B46C1;
  --purple-secondary: #A855F7;
  --dark-grey: #1E1E24;
  --light-bg: #F8F9FC;
  --orange-accent: #FF7E36;

  /* 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: "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;
  --space-48: 48px;
  --space-64: 64px;
  --space-80: 80px;

  /* Border Radius */
  --radius-sm: 6px;
  --radius-base: 8px;
  --radius-md: 10px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --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(255, 255, 255, 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 {
    --color-background: rgba(31, 33, 33, 1);
    --color-surface: rgba(38, 40, 40, 1);
    --color-text: rgba(245, 245, 245, 1);
    --color-text-secondary: rgba(167, 169, 169, 0.7);
    --color-primary: rgba(50, 184, 198, 1);
    --color-primary-hover: rgba(45, 166, 178, 1);
    --color-primary-active: rgba(41, 150, 161, 1);
    --color-secondary: rgba(119, 124, 124, 0.15);
    --color-secondary-hover: rgba(119, 124, 124, 0.25);
    --color-secondary-active: rgba(119, 124, 124, 0.3);
    --color-border: rgba(119, 124, 124, 0.3);
    --color-error: rgba(255, 84, 89, 1);
    --color-success: rgba(50, 184, 198, 1);
    --color-warning: rgba(230, 129, 97, 1);
    --color-info: rgba(167, 169, 169, 1);
    --color-focus-ring: rgba(50, 184, 198, 0.4);
    --color-btn-primary-text: rgba(19, 52, 59, 1);
    --color-card-border: rgba(119, 124, 124, 0.2);
    --color-card-border-inner: rgba(119, 124, 124, 0.15);
    --shadow-inset-sm: inset 0 1px 0 rgba(255, 255, 255, 0.1), inset 0 -1px 0 rgba(0, 0, 0, 0.15);
    --color-select-caret: rgba(245, 245, 245, 0.8);
  }
}

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

html {
  font-size: var(--font-size-base);
  font-family: var(--font-family-base);
  line-height: var(--line-height-normal);
  color: var(--dark-grey);
  background-color: var(--light-bg);
  -webkit-font-smoothing: antialiased;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  padding: 0;
  color: var(--dark-grey);
}

/* Container */
.container {
  max-width: var(--container-xl);
  margin: 0 auto;
  padding: 0 var(--space-24);
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-weight: var(--font-weight-bold);
  line-height: var(--line-height-tight);
  color: var(--dark-grey);
  letter-spacing: var(--letter-spacing-tight);
}

h1 {
  font-size: clamp(2.2rem, 4vw, 3.6rem);
}

h2 {
  font-size: clamp(1.8rem, 3vw, 2.8rem);
}

h3 {
  font-size: var(--font-size-2xl);
}

p {
  color: #444;
  line-height: 1.6;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-12) var(--space-24);
  border-radius: var(--radius-lg);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semibold);
  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(--orange-accent);
  color: white;
}

.btn--primary:hover {
  background: #e6712f;
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(255, 126, 54, 0.3);
}

.btn--secondary {
  background: var(--color-secondary);
  color: var(--dark-grey);
  border: 1px solid var(--color-border);
}

.btn--secondary:hover {
  background: var(--color-secondary-hover);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn--lg {
  padding: var(--space-16) var(--space-32);
  font-size: var(--font-size-lg);
}

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

/* Form elements */
.form-control {
  display: block;
  width: 100%;
  padding: var(--space-12) var(--space-16);
  font-size: var(--font-size-base);
  line-height: 1.5;
  color: var(--dark-grey);
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  transition: border-color var(--duration-fast) var(--ease-standard), box-shadow var(--duration-fast) var(--ease-standard);
}

.form-control:focus {
  border-color: var(--purple-primary);
  outline: none;
  box-shadow: 0 0 0 3px rgba(107, 70, 193, 0.1);
}

select.form-control {
  -webkit-appearance: none;
  -moz-appearance: none;
  appearance: none;
  background-image: var(--select-caret-light);
  background-repeat: no-repeat;
  background-position: right var(--space-16) center;
  background-size: 16px;
  padding-right: var(--space-48);
}

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

.form-group {
  margin-bottom: var(--space-20);
}

.form-error {
  color: var(--color-error);
  font-size: var(--font-size-sm);
  margin-top: var(--space-4);
  display: none;
}

.checkbox-label {
  display: flex;
  align-items: center;
  cursor: pointer;
  font-size: var(--font-size-sm);
}

.checkbox-label input[type="checkbox"] {
  margin-right: var(--space-8);
  width: 18px;
  height: 18px;
}

.checkbox-text {
  color: var(--dark-grey);
}

/* Toast notification */
.toast {
  position: fixed;
  top: var(--space-24);
  right: var(--space-24);
  background: var(--color-success);
  color: white;
  padding: var(--space-16) var(--space-24);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  z-index: 1000;
  transform: translateX(100%);
  transition: transform var(--duration-normal) var(--ease-standard);
}

.toast.show {
  transform: translateX(0);
}

.toast.hidden {
  display: none;
}

.toast-content {
  display: flex;
  align-items: center;
  gap: var(--space-12);
}

.toast-close {
  background: none;
  border: none;
  color: white;
  cursor: pointer;
  font-size: var(--font-size-xl);
  padding: 0;
  margin: 0;
}

/* Navigation */
.nav {
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(0, 0, 0, 0.05);
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  transition: all var(--duration-normal) var(--ease-standard);
}

.nav.sticky {
  background: rgba(255, 255, 255, 0.95);
  box-shadow: var(--shadow-sm);
}

.nav-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-16) 0;
}

.nav-brand .logo {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  color: var(--purple-primary);
}

.nav-links {
  display: flex;
  list-style: none;
  gap: var(--space-32);
}

.nav-links a {
  color: var(--dark-grey);
  text-decoration: none;
  font-weight: var(--font-weight-medium);
  transition: color var(--duration-fast) var(--ease-standard);
}

.nav-links a:hover {
  color: var(--purple-primary);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-8);
}

.nav-toggle span {
  width: 25px;
  height: 3px;
  background: var(--dark-grey);
  margin: 2px 0;
  transition: 0.3s;
}

/* Hero Section */
.hero {
  background: linear-gradient(135deg, var(--purple-primary) 0%, var(--purple-secondary) 100%);
  color: white;
  padding: var(--space-80) 0;
  margin-top: 80px;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(circle at 30% 50%, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
}

.hero-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-64);
  align-items: center;
  position: relative;
  z-index: 1;
}

.hero-text {
  animation: fadeInUp 0.8s ease-out;
}

.hero-headline {
  color: white;
  margin-bottom: var(--space-24);
  font-size: clamp(2.5rem, 5vw, 4rem);
}

.hero-subhead {
  font-size: var(--font-size-xl);
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: var(--space-32);
  line-height: 1.5;
}

.hero-ctas {
  display: flex;
  gap: var(--space-16);
  flex-wrap: wrap;
}

.hero-form {
  animation: fadeInUp 0.8s ease-out 0.2s both;
}

.signup-form {
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-xl);
  padding: var(--space-32);
  box-shadow: 0 25px 50px rgba(0, 0, 0, 0.1);
}

.signup-form h3 {
  color: white;
  margin-bottom: var(--space-24);
  text-align: center;
}

.signup-form .form-control {
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid rgba(255, 255, 255, 0.3);
  color: var(--dark-grey);
}

.signup-form .form-control:focus {
  background: white;
  border-color: var(--orange-accent);
  box-shadow: 0 0 0 3px rgba(255, 126, 54, 0.2);
}

.signup-form .form-label {
  color: white;
  font-weight: var(--font-weight-medium);
}

.signup-form .checkbox-label {
  color: white;
}

/* Section styling */
section {
  padding: var(--space-80) 0;
}

.section-header {
  text-align: center;
  margin-bottom: var(--space-64);
}

.section-header h2 {
  margin-bottom: var(--space-16);
}

.section-header p {
  font-size: var(--font-size-lg);
  color: #666;
  max-width: 600px;
  margin: 0 auto;
}

/* Pain Points */
.pain-points {
  background: white;
}

.pain-points-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-32);
}

.pain-point-card {
  background: white;
  border: 1px solid var(--color-card-border);
  border-left: 4px solid var(--purple-primary);
  border-radius: var(--radius-lg);
  padding: var(--space-24);
  box-shadow: var(--shadow-sm);
  transition: all var(--duration-normal) var(--ease-standard);
}

.pain-point-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.quote-mark {
  font-size: 3rem;
  color: var(--purple-primary);
  line-height: 1;
  margin-bottom: var(--space-16);
}

.pain-point-card p {
  font-size: var(--font-size-lg);
  color: var(--dark-grey);
  font-style: italic;
  margin-bottom: var(--space-16);
}

.pain-point-card cite {
  color: #666;
  font-size: var(--font-size-sm);
}

/* Solution section */
.solution {
  background: var(--light-bg);
}

.process-timeline {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--space-32);
}

.process-step {
  background: white;
  border-radius: var(--radius-lg);
  padding: var(--space-32);
  text-align: center;
  box-shadow: var(--shadow-sm);
  transition: all var(--duration-normal) var(--ease-standard);
}

.process-step:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.process-icon {
  font-size: 3rem;
  margin-bottom: var(--space-16);
}

.process-step h3 {
  color: var(--purple-primary);
  margin-bottom: var(--space-12);
}

/* Feature Gap */
.feature-gap {
  background: white;
}

.feature-comparison {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-64);
  max-width: 800px;
  margin: 0 auto;
}

.feature-list {
  list-style: none;
  space-y: var(--space-12);
}

.feature-list li {
  padding: var(--space-12) 0;
  font-size: var(--font-size-lg);
  display: flex;
  align-items: center;
}

.feature-left h3 {
  color: var(--color-error);
  margin-bottom: var(--space-24);
}

.feature-right h3 {
  color: var(--color-success);
  margin-bottom: var(--space-24);
}

/* Comparison Table */
.comparison {
  background: var(--light-bg);
}

.comparison-table {
  overflow-x: auto;
  background: white;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}

.comparison-table table {
  width: 100%;
  border-collapse: collapse;
}

.comparison-table th,
.comparison-table td {
  padding: var(--space-16);
  text-align: left;
  border-bottom: 1px solid var(--color-border);
}

.comparison-table th {
  background: var(--light-bg);
  font-weight: var(--font-weight-bold);
  color: var(--dark-grey);
}

.comparison-table td:first-child {
  font-weight: var(--font-weight-medium);
}

.comparison-table td:nth-child(2) {
  background: rgba(107, 70, 193, 0.05);
  color: var(--purple-primary);
  font-weight: var(--font-weight-semibold);
}

/* Pricing */
.pricing {
  background: white;
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-32);
}

.pricing-card {
  background: white;
  border: 1px solid var(--color-card-border);
  border-radius: var(--radius-lg);
  padding: var(--space-32);
  text-align: center;
  box-shadow: var(--shadow-sm);
  transition: all var(--duration-normal) var(--ease-standard);
  position: relative;
}

.pricing-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.pricing-card.featured {
  border-color: var(--purple-primary);
  transform: scale(1.05);
}

.popular-badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--purple-primary);
  color: white;
  padding: var(--space-6) var(--space-16);
  border-radius: var(--radius-full);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
}

.pricing-card h3 {
  color: var(--dark-grey);
  margin-bottom: var(--space-16);
}

.price {
  font-size: 2.5rem;
  font-weight: var(--font-weight-bold);
  color: var(--purple-primary);
  margin-bottom: var(--space-16);
}

.price span {
  font-size: var(--font-size-lg);
  color: #666;
}

.pricing-card p {
  color: #666;
  margin-bottom: var(--space-24);
}

.pricing-card ul {
  list-style: none;
  margin-bottom: var(--space-32);
  text-align: left;
}

.pricing-card ul li {
  padding: var(--space-8) 0;
  position: relative;
  padding-left: var(--space-20);
}

.pricing-card ul li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--color-success);
  font-weight: var(--font-weight-bold);
}

/* Price Calculator */
.price-calculator {
  background: rgba(107, 70, 193, 0.05);
  border: 1px solid rgba(107, 70, 193, 0.1);
  border-radius: var(--radius-lg);
  padding: var(--space-24);
  margin-top: var(--space-24);
  backdrop-filter: blur(8px);
}

.price-calculator h4 {
  color: var(--purple-primary);
  margin-bottom: var(--space-20);
  text-align: center;
}

.calc-input {
  margin-bottom: var(--space-16);
}

.calc-input label {
  display: block;
  margin-bottom: var(--space-8);
  font-weight: var(--font-weight-medium);
  color: var(--dark-grey);
}

.calc-input input[type="range"] {
  width: 100%;
  height: 6px;
  background: rgba(107, 70, 193, 0.2);
  border-radius: var(--radius-full);
  outline: none;
  -webkit-appearance: none;
}

.calc-input input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 20px;
  height: 20px;
  background: var(--purple-primary);
  border-radius: 50%;
  cursor: pointer;
}

.calc-input input[type="range"]::-moz-range-thumb {
  width: 20px;
  height: 20px;
  background: var(--purple-primary);
  border-radius: 50%;
  cursor: pointer;
  border: none;
}

.calc-result {
  text-align: center;
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  color: var(--purple-primary);
  padding: var(--space-16);
  background: white;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}

/* Social Proof */
.social-proof {
  background: linear-gradient(135deg, var(--purple-primary) 0%, var(--purple-secondary) 100%);
  color: white;
}

.social-proof .section-header h2 {
  color: white;
}

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-32);
}

.testimonial-card {
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-lg);
  padding: var(--space-24);
  transition: all var(--duration-normal) var(--ease-standard);
}

.testimonial-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 25px 50px rgba(0, 0, 0, 0.2);
}

.testimonial-rating {
  margin-bottom: var(--space-16);
}

.stars {
  color: #ffd700;
  font-size: var(--font-size-lg);
}

.testimonial-card p {
  color: rgba(255, 255, 255, 0.9);
  font-style: italic;
  margin-bottom: var(--space-20);
  line-height: 1.6;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: var(--space-12);
}

.testimonial-author img {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  object-fit: cover;
}

.testimonial-author div {
  display: flex;
  flex-direction: column;
}

.testimonial-author strong {
  color: white;
  font-weight: var(--font-weight-semibold);
}

.testimonial-author span {
  color: rgba(255, 255, 255, 0.7);
  font-size: var(--font-size-sm);
}

/* FAQ */
.faq {
  background: var(--light-bg);
}

.faq-list {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  background: white;
  border-radius: var(--radius-lg);
  margin-bottom: var(--space-16);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
}

.faq-question {
  width: 100%;
  padding: var(--space-24);
  background: none;
  border: none;
  text-align: left;
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  color: var(--dark-grey);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.faq-question::after {
  content: '+';
  font-size: var(--font-size-xl);
  color: var(--purple-primary);
  transition: transform var(--duration-normal) var(--ease-standard);
}

.faq-item.active .faq-question::after {
  transform: rotate(45deg);
}

.faq-answer {
  padding: 0 var(--space-24) var(--space-24);
  display: none;
}

.faq-item.active .faq-answer {
  display: block;
}

.faq-answer p {
  color: #666;
  line-height: 1.6;
}

/* Final CTA */
.final-cta {
  background: linear-gradient(135deg, var(--purple-primary) 0%, var(--purple-secondary) 100%);
  color: white;
  text-align: center;
}

.cta-content h2 {
  color: white;
  margin-bottom: var(--space-16);
}

.cta-content p {
  color: rgba(255, 255, 255, 0.9);
  font-size: var(--font-size-lg);
  margin-bottom: var(--space-32);
}

/* Footer */
.footer {
  background: var(--dark-grey);
  color: white;
  padding: var(--space-48) 0;
}

.footer-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-24);
}

.footer-brand .logo {
  color: white;
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
}

.company-attribution {
  margin-top: var(--space-8);
  font-size: var(--font-size-sm);
  color: rgba(255, 255, 255, 0.7);
}

.company-attribution a {
  color: rgba(255, 255, 255, 0.9);
  text-decoration: none;
  transition: color var(--duration-fast) var(--ease-standard);
}

.company-attribution a:hover {
  color: white;
  text-decoration: underline;
}

.footer-links {
  display: flex;
  gap: var(--space-24);
  flex-wrap: wrap;
}

.footer-links a {
  color: rgba(255, 255, 255, 0.8);
  text-decoration: none;
  transition: color var(--duration-fast) var(--ease-standard);
}

.footer-links a:hover {
  color: white;
}

/* Animations */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.animate-on-scroll {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.8s ease-out;
}

.animate-on-scroll.animated {
  opacity: 1;
  transform: translateY(0);
}

/* Responsive Design */
@media (max-width: 768px) {
  .hero-content {
    grid-template-columns: 1fr;
    gap: var(--space-32);
  }
  
  .hero-ctas {
    flex-direction: column;
  }
  
  .feature-comparison {
    grid-template-columns: 1fr;
    gap: var(--space-32);
  }
  
  .nav-links {
    display: none;
  }
  
  .nav-toggle {
    display: flex;
  }
  
  .pricing-card.featured {
    transform: none;
  }
  
  .container {
    padding: 0 var(--space-16);
  }
  
  section {
    padding: var(--space-48) 0;
  }
  
  .section-header {
    margin-bottom: var(--space-32);
  }
}

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

/* Upsell Modal */
.upsell-modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: all var(--duration-normal) var(--ease-standard);
}

.upsell-modal.show {
  opacity: 1;
  visibility: visible;
}

.modal-backdrop {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(4px);
}

.modal-container {
  position: relative;
  max-width: 600px;
  max-height: 90vh;
  margin: var(--space-20);
  width: 100%;
  transform: translateY(30px);
  transition: transform var(--duration-normal) var(--ease-standard);
}

.upsell-modal.show .modal-container {
  transform: translateY(0);
}

.modal-content {
  background: white;
  border-radius: var(--radius-xl);
  box-shadow: 0 25px 50px rgba(0, 0, 0, 0.15);
  overflow: hidden;
  position: relative;
}

.modal-close {
  position: absolute;
  top: var(--space-16);
  right: var(--space-16);
  background: none;
  border: none;
  font-size: var(--font-size-xl);
  color: var(--color-text-secondary);
  cursor: pointer;
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  transition: all var(--duration-fast) var(--ease-standard);
  z-index: 10;
}

.modal-close:hover {
  background: var(--color-secondary);
  color: var(--color-text);
}

.modal-header {
  background: linear-gradient(135deg, var(--purple-primary) 0%, var(--purple-secondary) 100%);
  color: white;
  text-align: center;
  padding: var(--space-24) var(--space-32) var(--space-20);
  position: relative;
}

.success-icon {
  font-size: 3rem;
  margin-bottom: var(--space-8);
  display: block;
}

.modal-header h3 {
  color: white;
  margin-bottom: var(--space-8);
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-bold);
}

.confirmation-text {
  color: rgba(255, 255, 255, 0.9);
  font-size: var(--font-size-base);
  line-height: 1.5;
  margin: 0;
}

.confirmation-text span {
  font-weight: var(--font-weight-semibold);
  color: white;
}

.modal-body {
  padding: var(--space-20);
}

.upsell-section h4 {
  color: var(--dark-grey);
  margin-bottom: var(--space-8);
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  text-align: center;
}

.upsell-subtitle {
  color: var(--color-text-secondary);
  margin-bottom: var(--space-12);
  text-align: center;
}

.upsell-benefits {
  list-style: none;
  margin: 0 0 var(--space-16) 0;
  padding: 0;
}

.upsell-benefits li {
  padding: var(--space-4) 0;
  font-size: var(--font-size-base);
  color: var(--dark-grey);
  display: flex;
  align-items: center;
}

.pricing-highlight {
  background: rgba(107, 70, 193, 0.05);
  border: 1px solid rgba(107, 70, 193, 0.1);
  border-radius: var(--radius-lg);
  padding: var(--space-24);
  text-align: center;
  margin-bottom: var(--space-24);
}

.price-label {
  display: block;
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
  margin-bottom: var(--space-8);
}

.price-value {
  display: block;
  font-size: 2rem;
  font-weight: var(--font-weight-bold);
  color: var(--purple-primary);
  margin-bottom: var(--space-8);
}

.price-details {
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
}

.modal-footer {
  padding: 0 var(--space-32) var(--space-32);
  display: flex;
  gap: var(--space-16);
  flex-direction: column;
}

.btn--modal {
  padding: var(--space-16) var(--space-24);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semibold);
  border-radius: var(--radius-lg);
  transition: all var(--duration-normal) var(--ease-standard);
}

.btn--modal:first-child {
  order: 1;
}

.btn--modal:last-child {
  order: 2;
}

.btn--secondary.btn--modal {
  color: white;
}

/* Dark mode support for modal */
@media (prefers-color-scheme: dark) {
  .modal-content {
    background: var(--color-surface);
    color: var(--color-text);
  }
  
  .modal-header h3,
  .confirmation-text {
    color: white;
  }
  
  .upsell-section h4 {
    color: var(--color-text);
  }
  
  .upsell-benefits li {
    color: var(--color-text);
  }
  
  .pricing-highlight {
    background: rgba(107, 70, 193, 0.1);
    border-color: rgba(107, 70, 193, 0.2);
  }
}

[data-color-scheme="dark"] .modal-content {
  background: var(--color-surface);
  color: var(--color-text);
}

[data-color-scheme="dark"] .modal-header h3,
[data-color-scheme="dark"] .confirmation-text {
  color: white;
}

[data-color-scheme="dark"] .upsell-section h4 {
  color: var(--color-text);
}

[data-color-scheme="dark"] .upsell-benefits li {
  color: var(--color-text);
}

[data-color-scheme="dark"] .pricing-highlight {
  background: rgba(107, 70, 193, 0.1);
  border-color: rgba(107, 70, 193, 0.2);
}

/* Responsive design for modal */
@media (max-width: 768px) {
  .modal-container {
    margin: var(--space-16);
  }
  
  .modal-header {
    padding: var(--space-20) var(--space-24) var(--space-16);
  }
  
  .modal-body {
    padding: var(--space-16);
  }
  
  .modal-footer {
    padding: 0 var(--space-24) var(--space-20);
  }
  
  .modal-header h3 {
    font-size: var(--font-size-xl);
  }
  
  .price-value {
    font-size: 1.5rem;
  }
}