: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');
}

: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;

  /* Orbital Theme Colors */
  --orbital-space-deep: #0a0f1c;
  --orbital-space-dark: #151b2e;
  --orbital-space-medium: #1e2a44;
  --orbital-space-light: rgba(30, 42, 68, 0.8);
  --orbital-cyan: #00f5ff;
  --orbital-cyan-dark: #00d4e6;
  --orbital-cyan-light: #4dffff;
  --orbital-gold: #ffd700;
  --orbital-gold-dark: #e6c200;
  --orbital-orange: #ff6b35;
  --orbital-purple: #8b5cf6;
  --orbital-green: #00ff88;
  --orbital-red: #9f0000;
  --orbital-white: #ffffff;
  --orbital-gray: rgba(255, 255, 255, 0.7);
  --orbital-gray-dark: rgba(255, 255, 255, 0.5);
  --orbital-glass: rgba(255, 255, 255, 0.1);
  --orbital-glass-border: rgba(255, 255, 255, 0.2);
}

/* 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);

    /* 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;
  }
}

/* Base styles */
html {
  font-size: var(--font-size-base);
  font-family: var(--font-family-base);
  line-height: var(--line-height-normal);
  color: var(--orbital-white);
  background-color: var(--orbital-space-deep);
  -webkit-font-smoothing: antialiased;
  box-sizing: border-box;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  padding: 0;
  background: var(--orbital-space-deep);
  overflow-x: hidden;
  font-family: var(--font-family-base);
}

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

/* Loading Screen */
.loading-screen {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: radial-gradient(circle at center, var(--orbital-space-dark) 0%, var(--orbital-space-deep) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10000;
  transition: opacity 0.8s ease-out;
}

.loading-screen.fade-out {
  opacity: 0;
  pointer-events: none;
}

.stars-background {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: 
    radial-gradient(2px 2px at 20px 30px, var(--orbital-cyan), transparent),
    radial-gradient(2px 2px at 40px 70px, var(--orbital-white), transparent),
    radial-gradient(1px 1px at 90px 40px, var(--orbital-cyan), transparent),
    radial-gradient(1px 1px at 130px 80px, var(--orbital-white), transparent),
    radial-gradient(2px 2px at 160px 30px, var(--orbital-cyan), transparent);
  background-repeat: repeat;
  background-size: 200px 150px;
  animation: starMove 20s linear infinite;
  opacity: 0.6;
}

@keyframes starMove {
  0% { transform: translateY(0); }
  100% { transform: translateY(-150px); }
}

.loading-content {
  text-align: center;
  z-index: 10001;
  position: relative;
}

.loading-logo {
  margin-bottom: 3rem;
}

.logo-orbital {
  font-size: 4rem;
  font-weight: 700;
  color: var(--orbital-cyan);
  letter-spacing: -0.02em;
  text-shadow: 0 0 30px rgba(0, 245, 255, 0.5);
  animation: logoGlow 2s ease-in-out infinite alternate;
  font-family: var(--font-family-mono);
  display: block;
  margin-bottom: 0.5rem;
}

.logo-subtitle {
  font-size: 1.2rem;
  color: var(--orbital-gray);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  opacity: 0.9;
}

@keyframes logoGlow {
  0% {
    text-shadow: 0 0 30px rgba(0, 245, 255, 0.3);
    transform: scale(1);
  }
  100% {
    text-shadow: 0 0 40px rgba(0, 245, 255, 0.8);
    transform: scale(1.02);
  }
}

.loading-progress {
  width: 300px;
  height: 4px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 2px;
  overflow: hidden;
  margin: 0 auto 2rem;
  position: relative;
  border: 1px solid rgba(0, 245, 255, 0.3);
}

.progress-bar {
  height: 100%;
  background: linear-gradient(90deg, var(--orbital-cyan), var(--orbital-purple));
  width: 0%;
  transition: width 0.3s ease;
  border-radius: 2px;
  box-shadow: 0 0 10px rgba(0, 245, 255, 0.5);
}

.progress-glow {
  position: absolute;
  top: -2px;
  left: 0;
  width: 20px;
  height: 8px;
  background: var(--orbital-cyan);
  border-radius: 4px;
  filter: blur(4px);
  opacity: 0.8;
  animation: progressGlow 2s ease-in-out infinite;
}

@keyframes progressGlow {
  0%, 100% { left: 0; opacity: 0.8; }
  50% { left: calc(100% - 20px); opacity: 1; }
}

.loading-text {
  color: var(--orbital-gray);
  font-size: 0.9rem;
  font-weight: 500;
  margin-bottom: 1rem;
}

.loading-status {
  display: flex;
  justify-content: center;
}

.status-indicator {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--orbital-gray);
  font-size: 0.8rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--orbital-green);
}

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

.status-dot.active {
  background: var(--orbital-cyan);
}

.status-dot.ready {
  background: var(--orbital-green);
}

.status-dot.notready {
  background: var(--orbital-red);
}

@keyframes pulse {
  0%, 100% {
    opacity: 1;
    transform: scale(1);
  }
  50% {
    opacity: 0.6;
    transform: scale(1.2);
  }
}

.loading-particles {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  overflow: hidden;
  pointer-events: none;
}

.particle {
  position: absolute;
  width: 2px;
  height: 2px;
  background: var(--orbital-cyan);
  border-radius: 50%;
  opacity: 0.7;
  animation: float 8s linear infinite;
  box-shadow: 0 0 4px rgba(0, 245, 255, 0.5);
}

@keyframes float {
  0% {
    transform: translateY(100vh) rotate(0deg);
    opacity: 0;
  }
  10% {
    opacity: 1;
  }
  90% {
    opacity: 1;
  }
  100% {
    transform: translateY(-100px) rotate(360deg);
    opacity: 0;
  }
}

/* Main App */
.app {
  min-height: 100vh;
  background: var(--orbital-space-deep);
  opacity: 0;
  transition: opacity 1s ease-in;
  position: relative;
}

.app.visible {
  opacity: 1;
}

.hidden {
  display: none !important;
}

/* Space Background */
.space-background {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
  pointer-events: none;
}

.stars-layer {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: 
    radial-gradient(1px 1px at 25px 15px, var(--orbital-white), transparent),
    radial-gradient(1px 1px at 60px 45px, var(--orbital-cyan), transparent),
    radial-gradient(2px 2px at 90px 80px, var(--orbital-white), transparent),
    radial-gradient(1px 1px at 130px 20px, var(--orbital-cyan), transparent),
    radial-gradient(1px 1px at 180px 60px, var(--orbital-white), transparent);
  background-repeat: repeat;
  background-size: 200px 120px;
  animation: starsFloat 30s linear infinite;
  opacity: 0.8;
}

@keyframes starsFloat {
  0% { transform: translateY(0) translateX(0); }
  100% { transform: translateY(-120px) translateX(-20px); }
}

.nebula-layer {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}

.nebula {
  position: absolute;
  border-radius: 50%;
  filter: blur(60px);
  opacity: 0.3;
  animation: nebulaFloat 15s ease-in-out infinite;
}

.nebula-1 {
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, var(--orbital-purple) 0%, transparent 70%);
  top: 20%;
  left: -10%;
  animation-delay: 0s;
}

.nebula-2 {
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, var(--orbital-cyan) 0%, transparent 70%);
  top: 60%;
  right: -5%;
  animation-delay: -5s;
}

.nebula-3 {
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, var(--orbital-orange) 0%, transparent 70%);
  top: 40%;
  left: 50%;
  transform: translateX(-50%);
  animation-delay: -10s;
}

@keyframes nebulaFloat {
  0%, 100% {
    transform: translateY(0) scale(1);
  }
  50% {
    transform: translateY(-30px) scale(1.1);
  }
}

.planet-layer {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}

.distant-planet {
  position: absolute;
  border-radius: 50%;
  opacity: 0.4;
  animation: planetOrbit 25s linear infinite;
}

.planet-1 {
  width: 60px;
  height: 60px;
  background: radial-gradient(circle at 30% 30%, var(--orbital-orange), var(--orbital-orange-dark, #e55a2b));
  top: 15%;
  right: 10%;
  box-shadow: 0 0 20px rgba(255, 107, 53, 0.3);
}

.planet-2 {
  width: 40px;
  height: 40px;
  background: radial-gradient(circle at 30% 30%, var(--orbital-purple), var(--orbital-purple-dark, #7c3aed));
  bottom: 20%;
  left: 15%;
  animation-delay: -12s;
  box-shadow: 0 0 15px rgba(139, 92, 246, 0.3);
}

@keyframes planetOrbit {
  0% {
    transform: rotate(0deg) translateX(50px) rotate(0deg);
  }
  100% {
    transform: rotate(360deg) translateX(50px) rotate(-360deg);
  }
}

/* Header */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(10, 15, 28, 0.9);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--orbital-glass-border);
  padding: 1rem 0;
}

.header-content {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.brand-title {
  font-size: 1.8rem;
  font-weight: 700;
  margin: 0;
  font-family: var(--font-family-mono);
  display: flex;
  flex-direction: column;
  line-height: 1;
}

.title-orbital {
  color: var(--orbital-cyan);
  text-shadow: 0 0 20px rgba(0, 245, 255, 0.5);
  letter-spacing: 0.1em;
}

.title-command {
  color: var(--orbital-gray);
  font-size: 0.8em;
  letter-spacing: 0.2em;
  margin-top: 0.2rem;
}

.brand-subtitle {
  font-size: 0.75rem;
  color: var(--orbital-gray-dark);
  margin-top: 0.25rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.header-status {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.system-time {
  font-family: var(--font-family-mono);
  color: var(--orbital-cyan);
  font-size: 1.1rem;
  font-weight: 600;
}

/* Main Content */
.main-content {
  position: relative;
  z-index: 2;
  padding-top: 120px;
  min-height: 100vh;
}

.content-container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 2rem;
}

/* Welcome Section */
.welcome-section {
  text-align: center;
  margin-bottom: 4rem;
}

.welcome-title {
  font-size: 3rem;
  font-weight: 700;
  margin-bottom: 1rem;
  color: var(--orbital-white);
  letter-spacing: -0.02em;
}

.typing-text {
  display: inline-block;
  position: relative;
  animation: typeWriter 3s steps(40) 1s forwards;
  width: 0;
  overflow: hidden;
  white-space: nowrap;
  border-right: 3px solid var(--orbital-cyan);
}

.typing-text::after {
  content: '';
  position: absolute;
  right: -3px;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--orbital-cyan);
  animation: blink 1s infinite;
}

@keyframes typeWriter {
  0% { width: 0; }
  100% { width: 100%; }
}

@keyframes blink {
  0%, 50% { opacity: 1; }
  51%, 100% { opacity: 0; }
}

.welcome-subtitle {
  font-size: 1.2rem;
  color: var(--orbital-gray);
  margin: 0;
  font-weight: 400;
}

/* Presentations Section */
.presentations-section {
  margin-bottom: 4rem;
}

.presentations-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(450px, 1fr));
  gap: 2rem;
  max-width: 1200px;
  margin: 0 auto;
}

/* Presentation Cards */
.presentation-card {
  background: var(--orbital-glass);
  border-radius: 16px;
  border: 1px solid var(--orbital-glass-border);
  backdrop-filter: blur(20px);
  position: relative;
  overflow: hidden;
  cursor: pointer;
  transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  transform: translateY(20px);
  opacity: 0;
  animation: slideInUp 0.8s ease-out forwards;
}

.presentation-card:nth-child(1) {
  animation-delay: 0.2s;
}

.presentation-card:nth-child(2) {
  animation-delay: 0.4s;
}

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

.presentation-card:hover {
  transform: translateY(-10px) scale(1.02);
  border-color: var(--orbital-cyan);
  box-shadow: 0 20px 60px rgba(0, 245, 255, 0.2);
}

.presentation-card:focus-visible {
  outline: none;
  border-color: var(--orbital-cyan);
  box-shadow: 0 0 0 3px rgba(0, 245, 255, 0.3);
}

.card-background {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, var(--orbital-space-light) 0%, var(--orbital-space-medium) 100%);
  opacity: 0.6;
  transition: opacity 0.3s ease;
}

.presentation-card:hover .card-background {
  opacity: 0.8;
}

.card-content {
  position: relative;
  z-index: 2;
  padding: 2rem;
}

.card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.5rem;
}

.card-icon {
  font-size: 2.5rem;
  filter: drop-shadow(0 0 10px rgba(0, 245, 255, 0.3));
  transition: transform 0.3s ease;
}

.presentation-card:hover .card-icon {
  transform: scale(1.1) rotate(5deg);
}

.card-status {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.7rem;
  color: var(--orbital-gray);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.card-body {
  margin-bottom: 1.5rem;
}

.card-title {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--orbital-white);
  margin-bottom: 0.5rem;
  line-height: 1.3;
}

.card-subtitle {
  font-size: 0.9rem;
  color: var(--orbital-cyan);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 1rem;
}

.card-description {
  color: var(--orbital-gray);
  line-height: 1.6;
  margin-bottom: 1.5rem;
  font-size: 0.95rem;
}

.card-features {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.5rem;
  margin-bottom: 1.5rem;
}

.feature-item {
  display: flex;
  align-items: center;
  font-size: 0.8rem;
  color: var(--orbital-gray-dark);
  padding: 0.5rem;
  background: rgba(255, 255, 255, 0.05);
  border-radius: 6px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  transition: all 0.3s ease;
}

.presentation-card:hover .feature-item {
  background: rgba(255, 255, 255, 0.1);
  color: var(--orbital-gray);
}

.card-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.card-category {
  display: inline-block;
  background: rgba(0, 245, 255, 0.1);
  color: var(--orbital-cyan);
  padding: 0.5rem 1rem;
  border-radius: 20px;
  font-size: 0.8rem;
  font-weight: 500;
  border: 1px solid rgba(0, 245, 255, 0.2);
}

.card-action {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  color: var(--orbital-white);
  font-weight: 600;
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.action-arrow {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--orbital-cyan);
  color: var(--orbital-space-deep);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  transition: all 0.3s ease;
  font-size: 1.2rem;
}

.presentation-card:hover .action-arrow {
  background: var(--orbital-cyan-light);
  transform: translateX(4px) scale(1.1);
  box-shadow: 0 0 20px rgba(0, 245, 255, 0.4);
}

.card-glow {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(circle at center, rgba(0, 245, 255, 0.1) 0%, transparent 70%);
  opacity: 0;
  transition: opacity 0.3s ease;
  pointer-events: none;
}

.presentation-card:hover .card-glow {
  opacity: 1;
}

.card-hover-effect {
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
  transition: left 0.6s ease;
  pointer-events: none;
}

.presentation-card:hover .card-hover-effect {
  left: 100%;
}

/* Thailand Card Specific Styling */
.card-thailand .card-background {
  background: linear-gradient(135deg, rgba(255, 107, 53, 0.1) 0%, rgba(0, 206, 209, 0.1) 100%);
}

.card-thailand:hover {
  box-shadow: 0 20px 60px rgba(255, 107, 53, 0.15);
}

/* VA Card Specific Styling */
.card-va .card-background {
  background: linear-gradient(135deg, rgba(139, 92, 246, 0.1) 0%, rgba(0, 255, 255, 0.1) 100%);
}

.card-va:hover {
  box-shadow: 0 20px 60px rgba(139, 92, 246, 0.15);
}

/* Controls Info */
.controls-info {
  position: fixed;
  bottom: 2rem;
  left: 2rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  z-index: 100;
}

.control-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  color: var(--orbital-gray);
  font-size: 0.8rem;
  background: var(--orbital-glass);
  padding: 0.75rem 1rem;
  border-radius: 8px;
  border: 1px solid var(--orbital-glass-border);
  backdrop-filter: blur(10px);
  transition: all 0.3s ease;
}

.control-item:hover {
  color: var(--orbital-white);
  border-color: var(--orbital-cyan);
  background: rgba(0, 245, 255, 0.1);
}

.control-icon {
  font-size: 1rem;
}

/* Footer */
.footer {
  position: relative;
  z-index: 2;
  background: var(--orbital-glass);
  border-top: 1px solid var(--orbital-glass-border);
  backdrop-filter: blur(20px);
  padding: 2rem 0;
  margin-top: 4rem;
}

.footer-content {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 2rem;
}

.system-info {
  display: flex;
  justify-content: center;
  gap: 3rem;
}

.info-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.25rem;
}

.info-label {
  font-size: 0.7rem;
  color: var(--orbital-gray-dark);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.info-value {
  font-size: 0.9rem;
  color: var(--orbital-white);
  font-weight: 600;
  font-family: var(--font-family-mono);
}

.info-value.success {
  color: var(--orbital-green);
}

/* Transition Screen */
.transition-screen {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--orbital-space-deep);
  z-index: 20000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 0.5s ease;
}

.transition-screen.active {
  opacity: 1;
}

.transition-background {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  overflow: hidden;
}

.warp-stars {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: 
    radial-gradient(2px 2px at 20px 30px, var(--orbital-white), transparent),
    radial-gradient(2px 2px at 40px 70px, var(--orbital-cyan), transparent),
    radial-gradient(1px 1px at 90px 40px, var(--orbital-white), transparent);
  background-repeat: repeat;
  background-size: 100px 100px;
  animation: warpSpeed 0.5s linear infinite;
}

@keyframes warpSpeed {
  0% { transform: translateY(0) scaleY(1); }
  100% { transform: translateY(-100px) scaleY(3); }
}

.transition-content {
  text-align: center;
  z-index: 10001;
  position: relative;
}

.transition-title h2 {
  font-size: 2.5rem;
  color: var(--orbital-cyan);
  margin-bottom: 2rem;
  text-shadow: 0 0 20px rgba(0, 245, 255, 0.5);
  animation: pulse 2s ease-in-out infinite;
}

.transition-progress {
  width: 400px;
  height: 6px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 3px;
  overflow: hidden;
  margin: 0 auto 2rem;
  position: relative;
  border: 1px solid var(--orbital-cyan);
}

.transition-text {
  color: var(--orbital-gray);
  font-size: 1rem;
  margin-bottom: 2rem;
}

.transition-status {
  margin-top: 2rem;
}

.status-grid {
  display: flex;
  justify-content: center;
  gap: 2rem;
}

.status-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8rem;
  color: var(--orbital-gray);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

/* Responsive Design */
@media (max-width: 768px) {
  .header-content {
    flex-direction: column;
    gap: 1rem;
    text-align: center;
  }

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

  .welcome-title {
    font-size: 2rem;
  }

  .presentations-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .system-info {
    flex-direction: column;
    gap: 1rem;
  }

  .controls-info {
    bottom: 1rem;
    left: 1rem;
    right: 1rem;
  }

  .control-item {
    font-size: 0.7rem;
    padding: 0.5rem 0.75rem;
  }

  .transition-progress {
    width: 300px;
  }

  .status-grid {
    flex-direction: column;
    gap: 1rem;
  }
}

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

  .card-content {
    padding: 1.5rem;
  }

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

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

  .welcome-subtitle {
    font-size: 1rem;
  }

  .transition-title h2 {
    font-size: 2rem;
  }
}

/* Utility classes */
.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;
}

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

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