:root {
  /* Primitive Color Tokens */
  --color-white: rgba(255, 255, 255, 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(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 {
    /* 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(255, 255, 255, 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(255, 255, 255, 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 */
/* Custom styles for the Quotes Collection app */

/* Header */
.header {
  background-color: var(--color-surface);
  border-bottom: 1px solid var(--color-card-border);
  box-shadow: var(--shadow-sm);
  position: sticky;
  top: 0;
  z-index: 100;
}

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

.nav__brand h1 {
  font-size: var(--font-size-2xl);
  color: var(--color-primary);
  margin: 0;
}

.nav__menu {
  display: flex;
  list-style: none;
  margin: 0;
  padding: 0;
  gap: var(--space-24);
  align-items: center;
}

.nav__link {
  color: var(--color-text-secondary);
  font-weight: var(--font-weight-medium);
  transition: color var(--duration-fast) var(--ease-standard);
  padding: var(--space-8) var(--space-12);
  border-radius: var(--radius-sm);
  cursor: pointer;
  text-decoration: none;
}

.nav__link:hover,
.nav__link.active {
  color: var(--color-primary);
  background-color: var(--color-secondary);
}

.admin-nav {
  background-color: var(--color-bg-8);
  padding: var(--space-12);
  border-radius: var(--radius-md);
}

/* Sections - Fixed visibility logic */
.section {
  display: none;
  min-height: 60vh;
  opacity: 0;
  transition: opacity var(--duration-normal) var(--ease-standard);
}

.section--active {
  display: block !important;
  opacity: 1;
}

.admin-section {
  background-color: var(--color-bg-1);
  min-height: 70vh;
}

/* Quote of the Day */
.quote-of-day {
  background: linear-gradient(135deg, var(--color-bg-1), var(--color-bg-3));
  padding: var(--space-32) 0;
  margin-bottom: var(--space-32);
}

.quote-of-day__header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-24);
}

.quote-of-day__header h2 {
  color: var(--color-text);
  margin: 0;
}

.quote-of-day__content {
  text-align: center;
  max-width: 800px;
  margin: 0 auto;
}

.quote-of-day__quote {
  font-size: var(--font-size-xl);
  line-height: var(--line-height-normal);
  color: var(--color-text);
  font-style: italic;
  margin: 0 0 var(--space-16) 0;
  font-weight: var(--font-weight-medium);
}

.quote-of-day__author {
  font-size: var(--font-size-lg);
  color: var(--color-text-secondary);
  margin: 0 0 var(--space-12) 0;
  font-weight: var(--font-weight-medium);
}

.quote-of-day__category {
  display: inline-block;
  background-color: var(--color-primary);
  color: var(--color-btn-primary-text);
  padding: var(--space-6) var(--space-12);
  border-radius: var(--radius-full);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
}

/* Email Subscription Section */
.subscription-section {
  background: linear-gradient(135deg, var(--color-bg-2), var(--color-bg-5));
  padding: var(--space-32) 0;
  margin-bottom: var(--space-32);
}

.subscription-card {
  max-width: 600px;
  margin: 0 auto;
  background-color: var(--color-surface);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-card-border);
  box-shadow: var(--shadow-md);
  overflow: hidden;
}

.subscription-content {
  padding: var(--space-32);
  text-align: center;
}

.subscription-content h3 {
  margin-bottom: var(--space-12);
  color: var(--color-text);
  font-size: var(--font-size-2xl);
}

.subscription-content p {
  color: var(--color-text-secondary);
  margin-bottom: var(--space-24);
  line-height: var(--line-height-normal);
}

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

.subscription-input-group {
  display: flex;
  gap: var(--space-12);
  max-width: 400px;
  margin: 0 auto;
}

.subscription-input {
  flex: 1;
  border-radius: var(--radius-base);
}

.subscription-btn {
  flex-shrink: 0;
  padding: var(--space-10) var(--space-20);
  border-radius: var(--radius-base);
  white-space: nowrap;
}

.subscription-message {
  margin: var(--space-16) 0;
  padding: var(--space-16);
  border-radius: var(--radius-base);
  animation: fadeIn 0.3s ease-in;
}

.subscription-message p {
  margin: 0 0 var(--space-8) 0;
  font-weight: var(--font-weight-medium);
}

.subscription-message p:last-child {
  margin-bottom: 0;
}

.subscription-note {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  margin: 0;
  margin-top: var(--space-16);
}

/* Search Section */
.search-section {
  background-color: var(--color-surface);
  padding: var(--space-24) 0;
  margin-bottom: var(--space-32);
  border: 1px solid var(--color-card-border);
  border-radius: var(--radius-lg);
}

.search-controls {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: var(--space-16);
  align-items: end;
}

.search-box {
  flex: 1;
}

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

.filter-controls select {
  min-width: 200px;
  cursor: pointer;
}

/* Fix select dropdown styling */
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-12) center;
  background-size: 16px;
  padding-right: var(--space-32);
  cursor: pointer;
}

/* Quotes Section */
.quotes-section {
  margin-bottom: var(--space-32);
}

.quotes-header {
  margin-bottom: var(--space-24);
  text-align: center;
}

.quotes-header h2 {
  margin-bottom: var(--space-8);
}

.quotes-count {
  color: var(--color-text-secondary);
  font-size: var(--font-size-base);
}

.quotes-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: var(--space-20);
  margin-bottom: var(--space-32);
}

.quote-card {
  background-color: var(--color-surface);
  border: 1px solid var(--color-card-border);
  border-radius: var(--radius-lg);
  padding: var(--space-20);
  transition: all var(--duration-normal) var(--ease-standard);
  position: relative;
}

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

.quote-card__text {
  font-size: var(--font-size-base);
  line-height: var(--line-height-normal);
  color: var(--color-text);
  margin: 0 0 var(--space-16) 0;
  font-style: italic;
}

.quote-card__author {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  font-weight: var(--font-weight-medium);
  margin: 0 0 var(--space-12) 0;
}

.quote-card__meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-8);
}

.quote-card__category {
  background-color: var(--color-secondary);
  color: var(--color-text);
  padding: var(--space-4) var(--space-8);
  border-radius: var(--radius-sm);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-medium);
}

.quote-card__tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
}

.quote-tag {
  background-color: var(--color-bg-2);
  color: var(--color-text-secondary);
  padding: var(--space-2) var(--space-6);
  border-radius: var(--radius-sm);
  font-size: var(--font-size-xs);
}

.no-results {
  text-align: center;
  padding: var(--space-32);
  color: var(--color-text-secondary);
}

/* Auth Section */
.auth-section {
  max-width: 500px;
  margin: 0 auto;
  padding: var(--space-32) 0;
  text-align: center;
}

.auth-card {
  background-color: var(--color-surface);
  padding: var(--space-32);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-card-border);
  box-shadow: var(--shadow-md);
}

.demo-signin {
  margin-top: var(--space-24);
  padding-top: var(--space-24);
  border-top: 1px solid var(--color-card-border);
}

.demo-signin p {
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
  margin-bottom: var(--space-16);
}

/* Admin Sections */
.admin-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-32);
  padding-bottom: var(--space-16);
  border-bottom: 1px solid var(--color-card-border);
}

.admin-header-actions {
  display: flex;
  gap: var(--space-12);
  align-items: center;
}

.admin-user-info {
  display: flex;
  align-items: center;
  gap: var(--space-12);
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
}

/* Dashboard Stats */
.dashboard-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-20);
  margin-bottom: var(--space-32);
}

.stat-card {
  background-color: var(--color-surface);
  padding: var(--space-24);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-card-border);
  text-align: center;
}

.stat-card h3 {
  font-size: var(--font-size-3xl);
  color: var(--color-primary);
  margin-bottom: var(--space-8);
}

.stat-card p {
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
  margin: 0;
}

/* Subscriber Stats */
.subscriber-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-20);
  margin-bottom: var(--space-32);
}

/* Quick Actions */
.quick-actions {
  background-color: var(--color-surface);
  padding: var(--space-24);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-card-border);
}

.quick-actions h3 {
  margin-bottom: var(--space-16);
}

.action-buttons {
  display: flex;
  gap: var(--space-12);
  flex-wrap: wrap;
}

/* Admin Forms */
.admin-form-container {
  background-color: var(--color-surface);
  border: 1px solid var(--color-card-border);
  border-radius: var(--radius-lg);
  padding: var(--space-24);
  margin-bottom: var(--space-24);
}

.admin-form h3 {
  margin-bottom: var(--space-20);
  color: var(--color-text);
}

.form-actions {
  display: flex;
  gap: var(--space-12);
  justify-content: flex-end;
  margin-top: var(--space-20);
}

/* Admin Tables */
.admin-table-container {
  background-color: var(--color-surface);
  border: 1px solid var(--color-card-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  overflow-x: auto;
}

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

.admin-table th,
.admin-table td {
  padding: var(--space-12) var(--space-16);
  text-align: left;
  border-bottom: 1px solid var(--color-card-border-inner);
}

.admin-table th {
  background-color: var(--color-bg-2);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text);
  font-size: var(--font-size-sm);
}

.admin-table td {
  font-size: var(--font-size-sm);
  vertical-align: top;
}

.admin-table tr:hover {
  background-color: var(--color-bg-1);
}

.admin-table .quote-text {
  max-width: 300px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.table-actions {
  display: flex;
  gap: var(--space-8);
}

.table-actions .btn {
  padding: var(--space-4) var(--space-8);
  font-size: var(--font-size-xs);
}

/* Bulk Actions */
.bulk-actions {
  margin-bottom: var(--space-20);
}

.bulk-controls {
  display: flex;
  align-items: center;
  gap: var(--space-16);
  background-color: var(--color-surface);
  padding: var(--space-12) var(--space-16);
  border: 1px solid var(--color-card-border);
  border-radius: var(--radius-base);
}

.checkbox-label {
  display: flex;
  align-items: center;
  gap: var(--space-8);
  font-size: var(--font-size-sm);
  cursor: pointer;
}

.checkbox-label input[type="checkbox"] {
  margin: 0;
}

#selected-count,
#selected-subscribers-count {
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
  margin-left: auto;
}

/* Form Sections */
.form-section {
  max-width: 600px;
  margin: 0 auto;
  padding: var(--space-32) 0;
}

.form-section h2 {
  text-align: center;
  margin-bottom: var(--space-8);
}

.form-section p {
  text-align: center;
  color: var(--color-text-secondary);
  margin-bottom: var(--space-32);
}

.quote-form {
  background-color: var(--color-surface);
  padding: var(--space-24);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-card-border);
  box-shadow: var(--shadow-sm);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-16);
}

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

.form-control {
  font-family: var(--font-family-base);
  transition: all var(--duration-fast) var(--ease-standard);
}

.form-control:focus {
  border-color: var(--color-primary);
  box-shadow: var(--focus-ring);
  outline: none;
}

/* Button improvements */
.btn {
  cursor: pointer;
  border: none;
  font-family: var(--font-family-base);
  transition: all var(--duration-fast) var(--ease-standard);
}

.btn:hover {
  transform: translateY(-1px);
}

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

.btn:disabled {
  cursor: not-allowed;
  opacity: 0.6;
  transform: none;
}

/* Success and Error Messages */
.success-message {
  background-color: rgba(var(--color-success-rgb), 0.1);
  border: 1px solid rgba(var(--color-success-rgb), 0.3);
  border-radius: var(--radius-base);
  padding: var(--space-16);
  margin-top: var(--space-16);
  text-align: center;
  animation: fadeIn 0.3s ease-in;
}

.success-message p {
  margin: 0 0 var(--space-8) 0;
  color: var(--color-success);
  font-weight: var(--font-weight-medium);
}

.success-message p:last-child {
  margin-bottom: 0;
}

.error-message {
  background-color: rgba(var(--color-error-rgb), 0.1);
  border: 1px solid rgba(var(--color-error-rgb), 0.3);
  border-radius: var(--radius-base);
  padding: var(--space-16);
  margin-top: var(--space-16);
  text-align: center;
}

.error-message p {
  margin: 0;
  color: var(--color-error);
  font-weight: var(--font-weight-medium);
}

/* Modal */
.modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.5);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 1000;
}

.modal.hidden {
  display: none !important;
}

.modal-content {
  background-color: var(--color-surface);
  border-radius: var(--radius-lg);
  padding: var(--space-24);
  max-width: 400px;
  width: 90%;
  box-shadow: var(--shadow-lg);
}

.modal-content h3 {
  margin-bottom: var(--space-16);
  color: var(--color-text);
}

.modal-content p {
  margin-bottom: var(--space-20);
  color: var(--color-text-secondary);
}

.modal-actions {
  display: flex;
  gap: var(--space-12);
  justify-content: flex-end;
}

/* Email Preview Modal */
.email-preview {
  max-width: 600px;
  max-height: 80vh;
  overflow-y: auto;
}

.email-template {
  background-color: var(--color-background);
  border: 1px solid var(--color-card-border);
  border-radius: var(--radius-base);
  padding: var(--space-20);
  margin-bottom: var(--space-20);
  font-family: var(--font-family-base);
}

.email-header {
  text-align: center;
  padding-bottom: var(--space-16);
  border-bottom: 2px solid var(--color-primary);
  margin-bottom: var(--space-20);
}

.email-header h2 {
  color: var(--color-primary);
  margin: 0 0 var(--space-8) 0;
}

.email-header p {
  color: var(--color-text-secondary);
  margin: 0;
  font-size: var(--font-size-sm);
}

.email-quote {
  background: linear-gradient(135deg, var(--color-bg-1), var(--color-bg-3));
  border-radius: var(--radius-base);
  padding: var(--space-24);
  text-align: center;
  margin-bottom: var(--space-20);
}

.email-quote__text {
  font-size: var(--font-size-lg);
  line-height: var(--line-height-normal);
  color: var(--color-text);
  font-style: italic;
  margin: 0 0 var(--space-12) 0;
  font-weight: var(--font-weight-medium);
}

.email-quote__author {
  color: var(--color-text-secondary);
  margin: 0 0 var(--space-12) 0;
  font-weight: var(--font-weight-medium);
}

.email-quote__category {
  display: inline-block;
  background-color: var(--color-primary);
  color: var(--color-btn-primary-text);
  padding: var(--space-4) var(--space-10);
  border-radius: var(--radius-full);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
}

.email-footer {
  padding-top: var(--space-16);
  border-top: 1px solid var(--color-card-border);
  text-align: center;
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
}

.email-footer p {
  margin: 0 0 var(--space-8) 0;
}

.email-footer a {
  color: var(--color-primary);
  text-decoration: none;
}

.email-footer a:hover {
  text-decoration: underline;
}

/* Utility Classes */
.hidden {
  display: none !important;
}

/* Footer */
.footer {
  background-color: var(--color-surface);
  border-top: 1px solid var(--color-card-border);
  padding: var(--space-24) 0;
  margin-top: var(--space-32);
  text-align: center;
}

.footer p {
  margin: 0;
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
}

/* Responsive Design */
@media (max-width: 768px) {
  .nav {
    flex-direction: column;
    gap: var(--space-16);
  }

  .nav__menu {
    gap: var(--space-16);
  }

  .quote-of-day {
    padding: var(--space-24) 0;
  }

  .quote-of-day__header {
    flex-direction: column;
    gap: var(--space-16);
    text-align: center;
  }

  .quote-of-day__quote {
    font-size: var(--font-size-lg);
  }

  .subscription-section {
    padding: var(--space-24) 0;
  }

  .subscription-content {
    padding: var(--space-24);
  }

  .subscription-input-group {
    flex-direction: column;
    max-width: none;
  }

  .subscription-btn {
    width: 100%;
  }

  .search-controls {
    grid-template-columns: 1fr;
    gap: var(--space-12);
  }

  .filter-controls {
    justify-content: center;
  }

  .filter-controls select {
    min-width: auto;
    flex: 1;
  }

  .quotes-grid {
    grid-template-columns: 1fr;
    gap: var(--space-16);
  }

  .form-row {
    grid-template-columns: 1fr;
    gap: var(--space-12);
  }

  .quote-card__meta {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-12);
  }

  .admin-header {
    flex-direction: column;
    gap: var(--space-16);
    text-align: center;
  }

  .admin-header-actions {
    justify-content: center;
  }

  .dashboard-stats {
    grid-template-columns: 1fr;
  }

  .subscriber-stats {
    grid-template-columns: 1fr;
  }

  .action-buttons {
    justify-content: center;
  }

  .form-actions {
    justify-content: center;
  }

  .bulk-controls {
    flex-wrap: wrap;
    gap: var(--space-12);
  }

  .admin-table-container {
    overflow-x: auto;
  }

  .email-preview {
    max-width: 90vw;
  }
}

@media (max-width: 480px) {
  .container {
    padding-left: var(--space-12);
    padding-right: var(--space-12);
  }

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

  .subscription-content {
    padding: var(--space-20);
  }

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

  .nav__menu {
    flex-direction: column;
    gap: var(--space-8);
  }

  .admin-form-container {
    padding: var(--space-16);
  }

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

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

  .action-buttons {
    flex-direction: column;
  }
}

/* Loading and transition effects */
.quote-card {
  animation: fadeIn 0.5s ease-in;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Button hover effects */
.btn {
  position: relative;
  overflow: hidden;
}

.btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.1), transparent);
  transition: left 0.5s;
}

.btn:hover::before {
  left: 100%;
}

/* Enhanced focus states */
.nav__link:focus-visible,
.quote-card:focus-visible {
  outline: var(--focus-outline);
  outline-offset: 2px;
}

/* Custom scrollbar */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: var(--color-secondary);
}

::-webkit-scrollbar-thumb {
  background: var(--color-primary);
  border-radius: var(--radius-sm);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--color-primary-hover);
}

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

[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);
}

/* Loading states */
.btn--loading {
  position: relative;
  pointer-events: none;
}

.btn--loading::after {
  content: '';
  position: absolute;
  width: 16px;
  height: 16px;
  top: 50%;
  left: 50%;
  margin-left: -8px;
  margin-top: -8px;
  border: 2px solid transparent;
  border-top-color: currentColor;
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

/* Email template responsiveness */
.email-template {
  min-height: 300px;
}

/* Status indicators for subscribers */
.subscriber-status {
  display: inline-flex;
  align-items: center;
  gap: var(--space-4);
}

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

.subscriber-status-dot--inactive {
  background-color: var(--color-error);
}

/* Animation for subscription form success */
.subscription-message.success-message {
  animation: slideInUp 0.5s ease-out;
}

@keyframes slideInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}