: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('<?php echo get_template_directory_uri(); ?>/assets/fonts/FKGroteskNeue.woff2')
    format('woff2');
}

/* END PERPLEXITY DESIGN SYSTEM */

/* ===== استایل‌های محتوای مقاله (فقط داخل .article-content) ===== */

.article-content {
    font-family: Vazir, Tahoma, sans-serif;
    direction: rtl;
    text-align: justify;
    line-height: 2;
    font-size: 17px;
    color: #1f2121;
    max-width: 800px;
    margin: 20px auto;
    word-spacing: 2px;
}

.article-content h1 {
    font-family: Vazir, Tahoma, sans-serif;
    font-size: 28px;
    font-weight: 700;
    color: #134252;
    margin: 40px 0 20px;
    padding-bottom: 12px;
    border-bottom: 3px solid #21818d;
    line-height: 1.6;
    text-align: right;
}

.article-content h2 {
    font-family: Vazir, Tahoma, sans-serif;
    font-size: 22px;
    font-weight: 700;
    color: #1a6873;
    margin: 36px 0 16px;
    padding-right: 16px;
    border-right: 4px solid #2da6b2;
    line-height: 1.6;
    text-align: right;
}

.article-content h3 {
    font-family: Vazir, Tahoma, sans-serif;
    font-size: 19px;
    font-weight: 600;
    color: #1f2121;
    margin: 28px 0 12px;
    text-align: right;
}

.article-content p {
    font-family: Vazir, Tahoma, sans-serif;
    margin: 0 0 20px;
    line-height: 2;
    text-align: justify;
    font-size: 17px;
    color: #1f2121;
}

.article-content ul,
.article-content ol {
    margin: 16px 0 24px 0;
    padding-right: 28px;
    padding-left: 0;
}

.article-content li {
    font-family: Vazir, Tahoma, sans-serif;
    margin-bottom: 10px;
    line-height: 1.9;
    font-size: 17px;
    text-align: justify;
}

.article-content a {
    color: #1d7480;
    text-decoration: underline;
    text-underline-offset: 3px;
    transition: color 0.2s ease;
}

.article-content a:hover {
    color: #29969e;
}

.article-content blockquote {
    margin: 28px 0;
    padding: 20px 24px;
    background: linear-gradient(135deg, rgba(33,128,141,0.06) 0%, rgba(33,128,141,0.02) 100%);
    border-right: 4px solid #2da6b2;
    border-radius: 0 8px 8px 0;
    font-style: normal;
    font-size: 16px;
    color: #626c71;
    line-height: 1.9;
}

.article-content blockquote p {
    margin: 0;
}

.article-content table {
    width: 100%;
    border-collapse: collapse;
    margin: 24px 0;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
}

.article-content th {
    background: #21818d;
    color: white;
    font-weight: 600;
    padding: 14px 16px;
    text-align: right;
    font-size: 15px;
}

.article-content td {
    padding: 12px 16px;
    border-bottom: 1px solid rgba(94,82,64,0.2);
    text-align: right;
    font-size: 15px;
}

.article-content tr:nth-child(even) {
    background-color: rgba(33,128,141,0.04);
}

.article-content code {
    background: rgba(33,128,141,0.08);
    padding: 2px 8px;
    border-radius: 4px;
    font-size: 15px;
    color: #1a6873;
    font-family: monospace;
}

.article-content pre {
    background: #1f2121;
    color: #e4e4e7;
    padding: 20px;
    border-radius: 8px;
    overflow-x: auto;
    line-height: 1.6;
    margin: 24px 0;
}

.article-content pre code {
    background: none;
    color: inherit;
    padding: 0;
}

.article-content img {
    max-width: 100%;
    height: auto;
    border-radius: 10px;
    margin: 20px 0;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

.article-content strong {
    font-weight: 700;
    color: #134252;
}

.article-content em {
    font-style: italic;
}

/* حالت تاریک - فقط داخل .article-content */
@media (prefers-color-scheme: dark) {
    .article-content { color: #e4e4e7; }
    .article-content h1 { color: #e4e4e7; }
    .article-content h2 { color: #50b8c6; }
    .article-content h3 { color: #e4e4e7; }
    .article-content p { color: #e4e4e7; }
    .article-content a { color: #50b8c6; }
    .article-content blockquote {
        background: rgba(80,184,198,0.08);
        border-right-color: #50b8c6;
        color: #a7a9a9;
    }
}

[data-color-scheme="dark"] .article-content { color: #e4e4e7; }
[data-color-scheme="dark"] .article-content h1 { color: #e4e4e7; }
[data-color-scheme="dark"] .article-content h2 { color: #50b8c6; }
[data-color-scheme="dark"] .article-content h3 { color: #e4e4e7; }
[data-color-scheme="dark"] .article-content p { color: #e4e4e7; }
[data-color-scheme="dark"] .article-content a { color: #50b8c6; }

/* واکنشی موبایل */
@media (max-width: 768px) {
    .article-content {
        font-size: 16px;
        line-height: 1.9;
        padding: 0 8px;
    }
    .article-content h1 { font-size: 24px; }
    .article-content h2 { font-size: 20px; }
    .article-content h3 { font-size: 18px; }
}

/* استایل‌های سفارشی برای صفحة وبلاگ */

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

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@keyframes pulse-slow {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.5;
    }
}

/* استایل‌های عمومی */
body {
    font-family: var(--font-family-base);
    direction: rtl;
    text-align: right;
    background-color: var(--color-background);
    color: var(--color-text);
}

/* کارت‌های مقاله */
article {
    animation: slideInUp 0.6s ease-out forwards;
    opacity: 0;
    background-color: var(--color-surface);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-card-border);
    box-shadow: var(--shadow-sm);
    transition: box-shadow var(--duration-normal) var(--ease-standard);
}

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

article:nth-child(1) { animation-delay: 0.1s; }
article:nth-child(2) { animation-delay: 0.2s; }
article:nth-child(3) { animation-delay: 0.3s; }
article:nth-child(4) { animation-delay: 0.4s; }
article:nth-child(5) { animation-delay: 0.5s; }
article:nth-child(6) { animation-delay: 0.6s; }
article:nth-child(7) { animation-delay: 0.7s; }
article:nth-child(8) { animation-delay: 0.8s; }
article:nth-child(9) { animation-delay: 0.9s; }

/* تصویر مقاله - افکت‌های بیشتر */
article img {
    transition: filter var(--duration-normal) var(--ease-standard);
    border-radius: var(--radius-base);
}

article:hover img {
    filter: brightness(0.95);
}

/* دکمة خواندن - انیمیشن */
.btn-read {
    position: relative;
    overflow: hidden;
    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: var(--font-weight-medium);
    background: var(--color-primary);
    color: var(--color-btn-primary-text);
    border: none;
    cursor: pointer;
    transition: background var(--duration-normal) var(--ease-standard);
}

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

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

.btn-read::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.2);
    transition: left 0.5s ease;
}

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

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

/* فیلتر sticky */
.sticky {
    box-shadow: var(--shadow-md);
    transition: box-shadow var(--duration-normal) var(--ease-standard);
    background-color: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
}

/* pagination */
.pagination a,
.pagination span {
    transition: all var(--duration-normal) var(--ease-standard);
    padding: var(--space-8) var(--space-12);
    border-radius: var(--radius-base);
    color: var(--color-text);
    text-decoration: none;
}

.pagination a:hover {
    background-color: var(--color-secondary);
    color: var(--color-primary);
}

.pagination .current {
    animation: pulse-slow 2s infinite;
    background-color: var(--color-primary);
    color: var(--color-btn-primary-text);
    font-weight: var(--font-weight-medium);
}

/* input فیلتر */
input[type="text"],
select {
    display: block;
    width: 100%;
    padding: var(--space-8) var(--space-12);
    font-size: var(--font-size-md);
    line-height: var(--line-height-normal);
    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);
}

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

@media (prefers-color-scheme: dark) {
    select {
        background-image: var(--select-caret-dark);
    }
}

[data-color-scheme="dark"] select {
    background-image: var(--select-caret-dark);
}

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

input[type="text"]:focus,
select:focus {
    border-color: var(--color-primary);
    outline: var(--focus-outline);
    box-shadow: var(--focus-ring);
}

/* gradient متحرک در هدر */
@keyframes gradient-shift {
    0%, 100% {
        background-position: 0% 50%;
    }
    50% {
        background-position: 100% 50%;
    }
}

.header-gradient {
    background: linear-gradient(-45deg, var(--color-teal-500), var(--color-teal-600), var(--color-teal-400), var(--color-teal-500));
    background-size: 400% 400%;
    animation: gradient-shift 15s ease infinite;
}

/* مسیر breadcrumb (اگر اضافه شود) */
.breadcrumb {
    display: flex;
    gap: var(--space-8);
    margin-bottom: var(--space-20);
    flex-wrap: wrap;
}

.breadcrumb a {
    color: var(--color-primary);
    text-decoration: none;
    transition: color var(--duration-fast) var(--ease-standard);
    font-size: var(--font-size-sm);
}

.breadcrumb a:hover {
    color: var(--color-primary-hover);
    text-decoration: underline;
}

/* افکت‌های دسته‌بندی */
.category-badge {
    display: inline-block;
    padding: var(--space-6) var(--space-12);
    background: linear-gradient(135deg, var(--color-teal-500) 0%, var(--color-teal-600) 100%);
    color: var(--color-btn-primary-text);
    border-radius: var(--radius-full);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    text-transform: capitalize;
    box-shadow: 0 2px 8px rgba(var(--color-teal-500-rgb), 0.3);
    transition: transform var(--duration-normal) var(--ease-standard),
                box-shadow var(--duration-normal) var(--ease-standard);
}

.category-badge:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(var(--color-teal-500-rgb), 0.4);
}

/* placeholder برای تصویر موجود نیست */
.no-image-placeholder {
    background: linear-gradient(135deg, var(--color-teal-500) 0%, var(--color-teal-600) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 200px;
    border-radius: var(--radius-base);
}

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

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

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

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

/* فوکس‌های بهتر برای دسترسی‌پذیری */
a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible {
    outline: var(--focus-outline);
    outline-offset: 2px;
    box-shadow: var(--focus-ring);
}

/* لوادینگ اسکلتون (برای Ajax) */
.skeleton {
    animation: loading 1.5s infinite;
    background: linear-gradient(90deg, var(--color-secondary) 25%, var(--color-secondary-hover) 50%, var(--color-secondary) 75%);
    background-size: 200% 100%;
    border-radius: var(--radius-base);
}

@keyframes loading {
    0% {
        background-position: 200% 0;
    }
    100% {
        background-position: -200% 0;
    }
}

/* متن برش‌خورده (Truncate) */
.line-clamp-2 {
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.line-clamp-3 {
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* واکنشی برای موبایل پرتره (480px) */
@media (max-width: 480px) {
    body {
        font-size: var(--font-size-sm);
    }

    article {
        margin-bottom: var(--space-12);
        padding: var(--space-12);
    }

    article img {
        border-radius: var(--radius-sm);
    }

    .sticky {
        position: relative;
        top: 0;
    }

    input[type="text"],
    select {
        font-size: 16px; /* جلوگیری از zoom در iOS */
        padding: var(--space-10) var(--space-12);
    }

    .btn-read {
        padding: var(--space-6) var(--space-12);
        font-size: var(--font-size-sm);
        width: 100%;
    }

    .category-badge {
        font-size: var(--font-size-xs);
        padding: var(--space-4) var(--space-8);
    }

    .breadcrumb {
        gap: var(--space-4);
        margin-bottom: var(--space-16);
        font-size: var(--font-size-xs);
    }

    .pagination a,
    .pagination span {
        padding: var(--space-6) var(--space-10);
        font-size: var(--font-size-sm);
    }

    .no-image-placeholder {
        min-height: 150px;
    }
}

/* واکنشی برای تبلت و موبایل افقی */
@media (max-width: 768px) {
    body {
        font-size: var(--font-size-base);
    }

    article {
        margin-bottom: var(--space-16);
    }

    input[type="text"],
    select {
        font-size: 16px; /* جلوگیری از zoom در iOS */
    }
}

/* حالت تاریک */
@media (prefers-color-scheme: dark) {
    body {
        background-color: var(--color-background);
        color: var(--color-text);
    }

    article {
        background-color: var(--color-surface);
        color: var(--color-text);
        border-color: var(--color-card-border);
    }

    input[type="text"],
    select {
        background-color: var(--color-surface);
        color: var(--color-text);
        border-color: var(--color-border);
    }

    .sticky {
        background-color: var(--color-surface);
        border-bottom-color: var(--color-border);
    }

    .header-gradient {
        background: linear-gradient(-45deg, var(--color-teal-300), var(--color-teal-400), var(--color-teal-800), var(--color-teal-300));
        background-size: 400% 400%;
    }

    .category-badge {
        background: linear-gradient(135deg, var(--color-teal-300) 0%, var(--color-teal-400) 100%);
        box-shadow: 0 2px 8px rgba(var(--color-teal-300-rgb), 0.3);
    }

    .category-badge:hover {
        box-shadow: 0 4px 12px rgba(var(--color-teal-300-rgb), 0.4);
    }

    .no-image-placeholder {
        background: linear-gradient(135deg, var(--color-teal-300) 0%, var(--color-teal-400) 100%);
    }

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

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

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

/* Manual theme switching support */
[data-color-scheme="dark"] {
    .header-gradient {
        background: linear-gradient(-45deg, var(--color-teal-300), var(--color-teal-400), var(--color-teal-800), var(--color-teal-300));
        background-size: 400% 400%;
    }

    .category-badge {
        background: linear-gradient(135deg, var(--color-teal-300) 0%, var(--color-teal-400) 100%);
        box-shadow: 0 2px 8px rgba(var(--color-teal-300-rgb), 0.3);
    }

    .category-badge:hover {
        box-shadow: 0 4px 12px rgba(var(--color-teal-300-rgb), 0.4);
    }

    .no-image-placeholder {
        background: linear-gradient(135deg, var(--color-teal-300) 0%, var(--color-teal-400) 100%);
    }
}