: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 */
: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;
  --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 */
  --color-bg-1: rgba(59, 130, 246, 0.08);
  --color-bg-2: rgba(245, 158, 11, 0.08);
  --color-bg-3: rgba(34, 197, 94, 0.08);
  --color-bg-4: rgba(239, 68, 68, 0.08);
  --color-bg-5: rgba(147, 51, 234, 0.08);
  --color-bg-6: rgba(249, 115, 22, 0.08);
  --color-bg-7: rgba(236, 72, 153, 0.08);
  --color-bg-8: rgba(6, 182, 212, 0.08);

  /* Semantic Color Tokens */
  --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-card-border: rgba(var(--color-gray-400-rgb), 0.2);
  --color-card-border-inner: rgba(var(--color-gray-400-rgb), 0.15);

  /* Typography */
  --font-family-base: "FKGroteskNeue", "Geist", "Inter", -apple-system,
    BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --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);

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

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

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

body {
  font-family: var(--font-family-base);
  background-color: var(--color-background);
  color: var(--color-text);
  min-height: 100vh;
  line-height: var(--line-height-normal);
  -webkit-font-smoothing: antialiased;
  padding: var(--space-20);
}

.container {
  max-width: 1400px;
  margin: 0 auto;
}

/* Header Styles */
.header {
  text-align: center;
  margin-bottom: var(--space-32);
  padding: var(--space-24) var(--space-16);
  background-color: var(--color-background);
  z-index: 100;
  border-bottom: 1px solid var(--color-card-border);
}

.header h1 {
  font-size: var(--font-size-4xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-text);
  margin-bottom: var(--space-20);
  letter-spacing: var(--letter-spacing-tight);
}

/* Navigation Tabs */
.nav-tabs {
  display: flex;
  gap: var(--space-8);
  justify-content: center;
  margin-bottom: var(--space-20);
}

.nav-tab {
  padding: var(--space-12) var(--space-24);
  font-size: var(--font-size-base);
  font-family: var(--font-family-base);
  font-weight: var(--font-weight-medium);
  background-color: var(--color-secondary);
  color: var(--color-text);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-base);
  cursor: pointer;
  transition: all var(--duration-fast) var(--ease-standard);
}

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

.nav-tab.active {
  background-color: var(--color-primary);
  color: var(--color-background);
  border-color: var(--color-primary);
}

.subtitle {
  font-size: var(--font-size-lg);
  color: var(--color-text-secondary);
  font-weight: var(--font-weight-normal);
  margin-bottom: var(--space-24);
}

/* Search Container */
.search-container {
  max-width: 600px;
  margin: 0 auto var(--space-20);
  position: relative;
}

.search-prompt {
  font-size: var(--font-size-base);
  color: var(--color-text-secondary);
  text-align: center;
  margin-bottom: var(--space-12);
  font-weight: var(--font-weight-normal);
  line-height: var(--line-height-normal);
}

.search-input {
  width: 100%;
  padding: var(--space-12) var(--space-16);
  font-size: var(--font-size-base);
  font-family: var(--font-family-base);
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-base);
  color: var(--color-text);
  transition: border-color var(--duration-fast) var(--ease-standard);
}

.search-input:focus {
  outline: none;
  border-color: var(--color-primary);
}

.search-input::placeholder {
  color: var(--color-text-secondary);
}

/* Filter Buttons */
.filter-buttons {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-8);
  margin-bottom: var(--space-16);
}

.filter-btn {
  padding: var(--space-8) var(--space-16);
  font-size: var(--font-size-sm);
  font-family: var(--font-family-base);
  font-weight: var(--font-weight-medium);
  background-color: var(--color-secondary);
  color: var(--color-text);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-base);
  cursor: pointer;
  transition: all var(--duration-fast) var(--ease-standard);
}

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

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

/* Country Counter */
.country-counter {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  margin-top: var(--space-12);
}

#countryCount {
  font-weight: var(--font-weight-bold);
  color: var(--color-primary);
}

/* Clocks Grid */
/* View Container */
.view-container {
  display: none;
}

.view-container.active {
  display: block;
}

.clocks-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: var(--space-16);
  padding: var(--space-16);
}

@media (min-width: 768px) {
  .clocks-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .clocks-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (min-width: 1400px) {
  .clocks-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

/* Clock Card - Clean Digital Design */
.clock-card {
  background-color: var(--color-surface);
  border: 1px solid var(--color-card-border);
  border-radius: var(--radius-lg);
  padding: var(--space-24);
  text-align: center;
  transition: transform var(--duration-normal) var(--ease-standard),
              box-shadow var(--duration-normal) var(--ease-standard);
  box-shadow: var(--shadow-sm);
  position: relative;
}

.clock-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}

.clock-card.hidden {
  display: none;
}

/* Rank badge styling - HIDDEN */
.rank-badge {
  display: none !important;
}

/* Day/Night Badge */
.day-night-badge {
  position: absolute;
  top: 12px;
  right: 12px;
  width: 50px;
  height: 50px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10;
  transition: all 0.3s ease;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.day-night-icon {
  font-size: 2rem;
  filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.2));
}

/* Daytime Card Styling */
.clock-card.day-time .day-night-badge {
  background: linear-gradient(135deg, #FDB813, #F9A825);
  box-shadow: 0 4px 12px rgba(253, 184, 19, 0.5);
}

.clock-card.day-time {
  border: 1px solid rgba(253, 184, 19, 0.3);
  background: linear-gradient(135deg, 
    var(--color-surface) 0%, 
    rgba(253, 184, 19, 0.08) 100%);
}

.clock-card.day-time:hover {
  box-shadow: 0 8px 24px rgba(253, 184, 19, 0.4);
  border-color: rgba(253, 184, 19, 0.5);
}

/* Nighttime Card Styling */
.clock-card.night-time .day-night-badge {
  background: linear-gradient(135deg, #1e3a8a, #3b82f6);
  box-shadow: 0 4px 12px rgba(59, 130, 246, 0.5);
}

.clock-card.night-time {
  border: 1px solid rgba(59, 130, 246, 0.3);
  background: linear-gradient(135deg, 
    var(--color-surface) 0%, 
    rgba(59, 130, 246, 0.08) 100%);
}

.clock-card.night-time:hover {
  box-shadow: 0 8px 24px rgba(59, 130, 246, 0.4);
  border-color: rgba(59, 130, 246, 0.5);
}

/* Time Period Label */
.time-period {
  font-size: 0.85rem;
  margin-top: 0.25rem;
  font-weight: 500;
  opacity: 0.9;
}

.clock-card.day-time .time-period {
  color: #F9A825;
}

.clock-card.night-time .time-period {
  color: #3b82f6;
}

/* Animated glow effect */
@keyframes dayGlow {
  0%, 100% {
    box-shadow: 0 4px 12px rgba(253, 184, 19, 0.5);
  }
  50% {
    box-shadow: 0 4px 20px rgba(253, 184, 19, 0.7), 0 0 30px rgba(253, 184, 19, 0.3);
  }
}

@keyframes nightGlow {
  0%, 100% {
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.5);
  }
  50% {
    box-shadow: 0 4px 20px rgba(59, 130, 246, 0.7), 0 0 30px rgba(59, 130, 246, 0.3);
  }
}

.clock-card.day-time .day-night-badge {
  animation: dayGlow 3s infinite ease-in-out;
}

.clock-card.night-time .day-night-badge {
  animation: nightGlow 3s infinite ease-in-out;
}

/* Flag Emoji */
.flag-emoji {
  font-size: 3rem;
  margin-bottom: var(--space-8);
  line-height: 1;
}

/* Country Name */
.country-name {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-text);
  margin: var(--space-8) 0;
}

/* Country Code */
.country-code {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  font-weight: var(--font-weight-normal);
  opacity: 0.7;
  margin-left: var(--space-4);
}

/* City Name */
.city-name {
  font-size: var(--font-size-base);
  color: var(--color-text-secondary);
  font-weight: var(--font-weight-normal);
  margin: var(--space-4) 0;
  opacity: 0.8;
}

/* Time Display Container */
.time-display {
  margin: var(--space-16) 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-4);
}

/* Time Display */
.time {
  font-size: 2rem;
  font-weight: var(--font-weight-bold);
  color: var(--color-primary);
  margin: var(--space-16) 0 var(--space-8);
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.02em;
}

/* Date Display */
.date {
  font-size: var(--font-size-base);
  color: var(--color-text-secondary);
  font-weight: var(--font-weight-normal);
  margin: var(--space-4) 0;
  opacity: 0.8;
}

/* Timezone Display */
.timezone {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  font-weight: var(--font-weight-medium);
  padding: var(--space-4) var(--space-8);
  background-color: var(--color-secondary);
  border-radius: var(--radius-sm);
  display: inline-block;
  margin-top: var(--space-4);
  opacity: 0.7;
}

/* Responsive Design */
@media (max-width: 768px) {
  body {
    padding: var(--space-8);
  }

  .header {
    padding: var(--space-16) var(--space-12);
  }

  .header h1 {
    font-size: var(--font-size-2xl);
  }

  .subtitle {
    font-size: var(--font-size-base);
  }

  .nav-tabs {
    flex-direction: column;
    width: 100%;
  }

  .nav-tab {
    width: 100%;
  }

  .filter-buttons {
    gap: var(--space-6);
  }

  .filter-btn {
    padding: var(--space-6) var(--space-12);
    font-size: var(--font-size-xs);
  }

  .clocks-grid {
    grid-template-columns: 1fr;
    gap: var(--space-12);
    padding: var(--space-8);
  }

  .clock-card {
    padding: var(--space-12);
  }

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

  .calendar-view {
    padding: var(--space-12);
  }

  .calendar-controls {
    flex-direction: column;
    align-items: stretch;
  }

  .calendar-title {
    text-align: center;
  }

  .calendar-nav {
    flex-direction: column;
  }

  .calendar-grid {
    gap: var(--space-2);
  }

  .calendar-date {
    min-height: 60px;
    padding: var(--space-4);
  }

  .date-number {
    font-size: var(--font-size-sm);
  }

  .holiday-name {
    display: none;
  }

  .filter-checkboxes {
    gap: var(--space-8);
  }

  .modal-content {
    width: 95%;
    padding: var(--space-16);
  }

  .swap-btn {
    width: 48px;
    height: 48px;
    font-size: var(--font-size-2xl);
  }
  
  .month-year-controls {
    flex-direction: column;
    gap: var(--space-16);
  }
  
  .month-navigation,
  .year-navigation {
    width: 100%;
    justify-content: center;
  }
  
  .month-dropdown,
  .year-dropdown {
    min-width: 100px;
    flex: 1;
  }
  
  .today-button {
    width: 100%;
  }
  
  .calendar-title {
    font-size: var(--font-size-2xl);
  }
}

/* Time Converter Styles */
.converter-view {
  padding: var(--space-24);
  max-width: 1200px;
  margin: 0 auto;
}

.converter-header {
  text-align: center;
  margin-bottom: var(--space-32);
}

.converter-title {
  font-size: var(--font-size-3xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-text);
  margin-bottom: var(--space-8);
}

.converter-subtitle {
  font-size: var(--font-size-base);
  color: var(--color-text-secondary);
  font-weight: var(--font-weight-normal);
}

/* Side-by-Side Grid Layout */
.converter-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-32);
  margin-bottom: var(--space-32);
}

.converter-column {
  background-color: var(--color-surface);
  border: 1px solid var(--color-card-border);
  border-radius: var(--radius-lg);
  padding: var(--space-24);
  transition: all var(--duration-normal) var(--ease-standard);
}

.converter-column:hover {
  box-shadow: var(--shadow-lg);
}

.left-column {
  border-left: 4px solid var(--color-primary);
}

.right-column {
  border-left: 4px solid var(--color-teal-400);
}

.column-title {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text);
  margin-bottom: var(--space-20);
  text-align: center;
}

/* Input Fields */
.time-input-manual {
  width: 100%;
  padding: var(--space-12);
  font-size: var(--font-size-lg);
  font-family: var(--font-family-base);
  font-weight: var(--font-weight-medium);
  background-color: var(--color-background);
  border: 2px solid var(--color-border);
  border-radius: var(--radius-base);
  color: var(--color-text);
  transition: all var(--duration-fast) var(--ease-standard);
}

.time-input-manual:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(var(--color-teal-300-rgb), 0.2);
}

.time-input-manual::placeholder {
  color: var(--color-text-secondary);
  font-weight: var(--font-weight-normal);
}

.time-input-manual[readonly] {
  background-color: rgba(var(--color-gray-400-rgb), 0.1);
  cursor: not-allowed;
}

.date-input {
  width: 100%;
  padding: var(--space-12);
  font-size: var(--font-size-base);
  font-family: var(--font-family-base);
  background-color: var(--color-background);
  border: 2px solid var(--color-border);
  border-radius: var(--radius-base);
  color: var(--color-text);
  transition: all var(--duration-fast) var(--ease-standard);
}

.date-input:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(var(--color-teal-300-rgb), 0.2);
}

.date-input[readonly] {
  background-color: rgba(var(--color-gray-400-rgb), 0.1);
  cursor: not-allowed;
}

.input-hint {
  font-size: var(--font-size-xs);
  color: var(--color-text-secondary);
  margin-top: var(--space-6);
  font-style: italic;
}

/* Beautiful Result Box */
.conversion-result-box {
  background: linear-gradient(135deg, rgba(var(--color-teal-500-rgb), 0.2) 0%, rgba(var(--color-teal-300-rgb), 0.15) 100%);
  border: 2px solid var(--color-primary);
  border-radius: var(--space-20);
  padding: var(--space-32);
  margin: var(--space-32) auto;
  max-width: 1000px;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: var(--space-32);
  align-items: center;
  animation: slideUp 0.5s var(--ease-standard);
}

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

.result-from,
.result-to {
  text-align: center;
  padding: var(--space-16);
  background-color: rgba(var(--color-charcoal-800), 0.6);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(var(--color-teal-300-rgb), 0.3);
}

.flag-large {
  font-size: 4rem;
  line-height: 1;
  margin-bottom: var(--space-12);
}

.result-country-name {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-text);
  margin-bottom: var(--space-4);
}

.result-city-name {
  font-size: var(--font-size-base);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-16);
}

.result-date {
  font-size: var(--font-size-base);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-8);
}

.result-time-large {
  font-size: 3rem;
  font-weight: var(--font-weight-bold);
  color: var(--color-primary);
  margin: var(--space-16) 0;
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.02em;
  text-shadow: 0 2px 8px rgba(var(--color-teal-300-rgb), 0.3);
}

.result-timezone {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  font-weight: var(--font-weight-medium);
  padding: var(--space-6) var(--space-12);
  background-color: rgba(var(--color-gray-400-rgb), 0.2);
  border-radius: var(--radius-sm);
  display: inline-block;
}

/* Divider with Arrow */
.result-divider {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-12);
}

.arrow-line {
  font-size: var(--font-size-xl);
  color: var(--color-primary);
  font-weight: var(--font-weight-bold);
  letter-spacing: 0.1em;
}

.time-diff {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-bold);
  color: var(--color-orange-400);
  text-align: center;
  padding: var(--space-12) var(--space-16);
  background-color: rgba(var(--color-orange-400-rgb), 0.15);
  border: 1px solid rgba(var(--color-orange-400-rgb), 0.3);
  border-radius: var(--radius-base);
  white-space: nowrap;
}

/* Swap Button */
.swap-button-wrapper {
  text-align: center;
  margin-top: var(--space-24);
}

.swap-button-large {
  padding: var(--space-12) var(--space-32);
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  border-radius: var(--radius-md);
}

/* Responsive Design for Converter */
@media (max-width: 768px) {
  .converter-grid {
    grid-template-columns: 1fr;
    gap: var(--space-16);
  }
  
  .conversion-result-box {
    grid-template-columns: 1fr;
    gap: var(--space-24);
    padding: var(--space-20);
  }
  
  .result-divider {
    transform: rotate(90deg);
  }
  
  .arrow-line {
    font-size: var(--font-size-base);
  }
  
  .flag-large {
    font-size: 3rem;
  }
  
  .result-time-large {
    font-size: 2rem;
  }
  
  .converter-view {
    padding: var(--space-12);
  }
}

/* Highlighted Clock */
.clock-card.highlighted {
  border: 3px solid #10b981;
  box-shadow: 0 0 20px rgba(16, 185, 129, 0.5);
  transform: scale(1.05);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% {
    box-shadow: 0 0 20px rgba(16, 185, 129, 0.5);
  }
  50% {
    box-shadow: 0 0 30px rgba(16, 185, 129, 0.8);
  }
}

/* State Clocks Section */
.state-clocks-section {
  margin: 2rem auto;
  padding: 2rem;
  background: rgba(16, 185, 129, 0.1);
  border: 2px solid rgba(16, 185, 129, 0.3);
  border-radius: var(--radius-lg);
  max-width: 100%;
}

.state-section-title {
  text-align: center;
  color: #10b981;
  margin-bottom: 1.5rem;
  font-size: var(--font-size-3xl);
  font-weight: var(--font-weight-bold);
}

.state-clocks-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 1.5rem;
}

@media (min-width: 768px) {
  .state-clocks-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .state-clocks-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (min-width: 1400px) {
  .state-clocks-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.state-clock-card {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(16, 185, 129, 0.3);
}

.state-flag {
  font-size: 2rem;
  margin-bottom: var(--space-8);
  line-height: 1;
}

.state-city-name {
  font-size: var(--font-size-lg);
  color: #10b981;
  font-weight: var(--font-weight-bold);
  margin: var(--space-8) 0;
}

.state-name {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  opacity: 0.7;
  margin: var(--space-4) 0;
}

.state-time {
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-bold);
  color: #10b981;
  margin: var(--space-12) 0 var(--space-8);
  font-variant-numeric: tabular-nums;
}

.state-date {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  margin: var(--space-4) 0;
}

.state-timezone {
  font-size: var(--font-size-xs);
  color: var(--color-text-secondary);
  font-weight: var(--font-weight-medium);
  padding: var(--space-4) var(--space-8);
  background-color: rgba(16, 185, 129, 0.2);
  border-radius: var(--radius-sm);
  display: inline-block;
  margin-top: var(--space-4);
}

/* Highlighted state/city card when matched in search */
.state-clock-card.highlighted-state {
  border: 2px solid #10b981;
  box-shadow: 0 0 15px rgba(16, 185, 129, 0.4);
  background: rgba(16, 185, 129, 0.15);
  animation: pulseGreen 2s infinite;
  transform: scale(1.02);
}

@keyframes pulseGreen {
  0%, 100% {
    box-shadow: 0 0 15px rgba(16, 185, 129, 0.4);
  }
  50% {
    box-shadow: 0 0 25px rgba(16, 185, 129, 0.6);
  }
}

/* Loading Animation */
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(-10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.clock-card {
  animation: fadeIn 0.3s var(--ease-standard) backwards;
  transition: opacity 0.3s var(--ease-standard), transform 0.3s var(--ease-standard);
}

/* Search result count */
.search-result-count {
  text-align: center;
  margin: var(--space-12) 0;
  font-size: var(--font-size-base);
  color: var(--color-text-secondary);
  font-weight: var(--font-weight-medium);
}

/* Clear search button */
.clear-search-btn {
  position: absolute;
  right: var(--space-12);
  top: 50%;
  transform: translateY(-50%);
  background: var(--color-secondary);
  border: none;
  color: var(--color-text);
  width: 28px;
  height: 28px;
  border-radius: var(--radius-full);
  cursor: pointer;
  font-size: var(--font-size-lg);
  display: none;
  align-items: center;
  justify-content: center;
  transition: all var(--duration-fast) var(--ease-standard);
  z-index: 10;
}

.clear-search-btn:hover {
  background: var(--color-secondary-hover);
  transform: translateY(-50%) scale(1.1);
}

.clear-search-btn:active {
  transform: translateY(-50%) scale(0.95);
}

/* No results message */
.no-results-message {
  text-align: center;
  padding: var(--space-32);
  margin: var(--space-24) auto;
  max-width: 500px;
  background: var(--color-secondary);
  border-radius: var(--radius-lg);
  border: 2px dashed var(--color-border);
  display: none;
}

.no-results-icon {
  font-size: 4rem;
  margin-bottom: var(--space-16);
  opacity: 0.5;
}

.no-results-message h3 {
  color: var(--color-text);
  margin: var(--space-12) 0;
  font-size: var(--font-size-xl);
}

.no-results-message p {
  color: var(--color-text-secondary);
  font-size: var(--font-size-base);
  line-height: var(--line-height-normal);
  margin: 0;
}

/* Calendar View Styles */
.calendar-view {
  padding: var(--space-24);
  max-width: 1200px;
  margin: 0 auto;
}

/* Month and Year Navigation */
.calendar-month-year-navigation {
  margin-bottom: var(--space-32);
  background-color: var(--color-surface);
  border: 1px solid var(--color-card-border);
  border-radius: var(--radius-lg);
  padding: var(--space-24);
  box-shadow: var(--shadow-sm);
}

.month-year-controls {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: var(--space-32);
  flex-wrap: wrap;
  margin-bottom: var(--space-20);
}

.month-navigation,
.year-navigation {
  display: flex;
  align-items: center;
  gap: var(--space-12);
  background-color: rgba(var(--color-teal-300-rgb), 0.05);
  padding: var(--space-12) var(--space-16);
  border-radius: var(--radius-base);
  border: 1px solid rgba(var(--color-teal-300-rgb), 0.2);
}

.nav-label {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-right: var(--space-4);
}

.nav-button {
  padding: var(--space-8) var(--space-16) !important;
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-bold);
  min-width: 44px;
  transition: all var(--duration-fast) var(--ease-standard);
}

.nav-button:hover {
  background-color: var(--color-primary) !important;
  color: var(--color-background) !important;
  transform: scale(1.05);
}

.month-dropdown,
.year-dropdown {
  min-width: 140px;
  padding: var(--space-10) var(--space-16);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semibold);
  text-align: center;
  background-color: var(--color-background);
  color: var(--color-text);
  border: 2px solid var(--color-primary);
  border-radius: var(--radius-base);
  cursor: pointer;
  transition: all var(--duration-fast) var(--ease-standard);
}

.month-dropdown:hover,
.year-dropdown:hover {
  border-color: var(--color-primary-hover);
  background-color: rgba(var(--color-teal-300-rgb), 0.1);
  transform: translateY(-1px);
}

.month-dropdown:focus,
.year-dropdown:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(var(--color-teal-300-rgb), 0.2);
}

/* Dropdown OPTIONS styling - CRITICAL FIX for visibility */
.month-dropdown option,
.year-dropdown option {
  background-color: #1a1a1a !important;
  color: white !important;
  padding: 10px !important;
  font-size: var(--font-size-base);
}

.month-dropdown option:hover,
.year-dropdown option:hover {
  background-color: #2a2a2a !important;
  color: var(--color-primary) !important;
}

.month-dropdown option:checked,
.year-dropdown option:checked {
  background-color: rgba(var(--color-teal-300-rgb), 0.3) !important;
  color: white !important;
  font-weight: bold;
}

.today-button {
  padding: var(--space-10) var(--space-24) !important;
  font-weight: var(--font-weight-semibold);
  background-color: var(--color-primary) !important;
  color: var(--color-background) !important;
  border: none !important;
}

.today-button:hover {
  background-color: var(--color-primary-hover) !important;
  transform: scale(1.05);
}

.calendar-title {
  font-size: var(--font-size-3xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-primary);
  text-align: center;
  margin: 0;
  padding: var(--space-16) 0;
  border-top: 2px solid rgba(var(--color-teal-300-rgb), 0.2);
}

.calendar-controls {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-24);
  flex-wrap: wrap;
  gap: var(--space-16);
}

.calendar-nav {
  display: flex;
  gap: var(--space-8);
}

/* Holiday Filters */
.holiday-filters {
  background-color: var(--color-surface);
  border: 1px solid var(--color-card-border);
  border-radius: var(--radius-lg);
  padding: var(--space-16);
  margin-bottom: var(--space-16);
}

.holiday-filters h3 {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  margin-bottom: var(--space-12);
  color: var(--color-text);
}

.filter-checkboxes {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-16);
}

.filter-checkboxes label {
  display: flex;
  align-items: center;
  gap: var(--space-6);
  font-size: var(--font-size-sm);
  color: var(--color-text);
  cursor: pointer;
}

.filter-checkboxes input[type="checkbox"] {
  cursor: pointer;
  width: 16px;
  height: 16px;
}

/* Calendar Legend */
.calendar-legend {
  background-color: var(--color-surface);
  border: 1px solid var(--color-card-border);
  border-radius: var(--radius-lg);
  padding: var(--space-16);
  margin-bottom: var(--space-24);
}

.calendar-legend h3 {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  margin-bottom: var(--space-12);
  color: var(--color-text);
}

.legend-items {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-12);
}

.legend-item {
  display: flex;
  align-items: center;
  gap: var(--space-6);
  font-size: var(--font-size-sm);
  color: var(--color-text);
}

.legend-color {
  width: 14px;
  height: 14px;
  border-radius: var(--radius-sm);
  display: inline-block;
}

/* Calendar Container */
.calendar-container {
  background-color: var(--color-surface);
  border: 1px solid var(--color-card-border);
  border-radius: var(--radius-lg);
  padding: var(--space-16);
  overflow-x: auto;
}

.calendar-header {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: var(--space-4);
  margin-bottom: var(--space-8);
}

.calendar-day-header {
  text-align: center;
  font-weight: var(--font-weight-semibold);
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  padding: var(--space-8);
}

.calendar-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: var(--space-4);
  min-height: 400px;
}

.calendar-date {
  background-color: var(--color-background);
  border: 1px solid var(--color-card-border);
  border-radius: var(--radius-base);
  padding: var(--space-8);
  min-height: 80px;
  cursor: pointer;
  transition: all var(--duration-fast) var(--ease-standard);
  position: relative;
}

.calendar-date:hover {
  background-color: var(--color-secondary);
  transform: translateY(-1px);
}

.calendar-date.other-month {
  opacity: 0.3;
}

.calendar-date.today {
  border-color: var(--color-primary);
  border-width: 2px;
  background-color: rgba(var(--color-teal-300-rgb), 0.1);
}

.date-number {
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text);
  margin-bottom: var(--space-4);
}

.holiday-indicators {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-top: var(--space-4);
}

.holiday-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  display: inline-block;
}

.holiday-name {
  font-size: var(--font-size-xs);
  color: var(--color-text-secondary);
  margin-top: var(--space-4);
  line-height: 1.3;
  overflow: hidden;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
}

/* Modal Styles */
.modal {
  display: none;
  position: fixed;
  z-index: 1000;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  overflow: auto;
  background-color: rgba(0, 0, 0, 0.7);
  animation: fadeIn 0.3s var(--ease-standard);
}

.modal.active {
  display: flex;
  align-items: center;
  justify-content: center;
}

.modal-content {
  background-color: var(--color-surface);
  border: 1px solid var(--color-card-border);
  border-radius: var(--radius-lg);
  padding: var(--space-24);
  max-width: 600px;
  width: 90%;
  max-height: 80vh;
  overflow-y: auto;
  position: relative;
  animation: slideUp 0.3s var(--ease-standard);
}

@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.modal-close {
  position: absolute;
  top: var(--space-16);
  right: var(--space-16);
  font-size: var(--font-size-3xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-text-secondary);
  background: none;
  border: none;
  cursor: pointer;
  transition: color var(--duration-fast) var(--ease-standard);
}

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

#modalDate {
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-text);
  margin-bottom: var(--space-20);
  padding-right: var(--space-32);
}

.holiday-detail {
  background-color: var(--color-background);
  border-left: 4px solid var(--color-primary);
  border-radius: var(--radius-base);
  padding: var(--space-16);
  margin-bottom: var(--space-16);
}

.holiday-detail:last-child {
  margin-bottom: 0;
}

.holiday-detail h3 {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text);
  margin-bottom: var(--space-8);
}

.holiday-category {
  display: inline-block;
  padding: var(--space-4) var(--space-8);
  border-radius: var(--radius-sm);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-medium);
  margin-bottom: var(--space-8);
}

.holiday-description {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-8);
  line-height: var(--line-height-normal);
}

.holiday-countries {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  font-style: italic;
}

/* Events Timeline Styles */
.events-timeline {
  margin-top: 3rem;
  padding: 2rem;
  background-color: rgba(var(--color-gray-400-rgb), 0.03);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-card-border);
}

.timeline-title {
  font-size: var(--font-size-3xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-text);
  margin-bottom: 2rem;
  text-align: center;
}

.event-section {
  margin-bottom: 2rem;
  padding: 1.5rem;
  border-radius: var(--radius-md);
  border-left: 4px solid;
  background-color: var(--color-surface);
  box-shadow: var(--shadow-sm);
  transition: all var(--duration-normal) var(--ease-standard);
}

.event-section:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-1px);
}

.event-section:last-child {
  margin-bottom: 0;
}

.upcoming-section {
  border-left-color: #10b981;
  background: linear-gradient(to right, rgba(16, 185, 129, 0.08), rgba(16, 185, 129, 0.02));
}

.current-section {
  border-left-color: #f59e0b;
  background: linear-gradient(to right, rgba(245, 158, 11, 0.08), rgba(245, 158, 11, 0.02));
}

.past-section {
  border-left-color: #9ca3af;
  background: linear-gradient(to right, rgba(156, 163, 175, 0.08), rgba(156, 163, 175, 0.02));
}

.section-header {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text);
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

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

.event-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.event-list li {
  padding: 0.75rem 0;
  border-bottom: 1px solid rgba(var(--color-gray-400-rgb), 0.15);
  font-size: var(--font-size-base);
  color: var(--color-text);
  line-height: var(--line-height-normal);
  transition: padding-left var(--duration-fast) var(--ease-standard);
}

.event-list li:hover {
  padding-left: 0.5rem;
}

.event-list li:last-child {
  border-bottom: none;
}

/* Event Item with Countdown */
.event-item {
  padding: 1.5rem;
  margin-bottom: 1rem;
  background: rgba(16, 185, 129, 0.05);
  border-radius: 10px;
  border-left: 4px solid #10b981;
  border-bottom: none !important;
}

.event-item:hover {
  padding-left: 1.5rem !important;
  background: rgba(16, 185, 129, 0.08);
}

.event-item-simple {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
}

.event-info {
  margin-bottom: 1rem;
}

.event-info .event-name {
  font-size: 1.1rem;
  font-weight: var(--font-weight-bold);
  display: block;
  margin-bottom: 0.5rem;
  color: var(--color-text);
}

.event-info .event-date {
  font-size: 0.9rem;
  color: var(--color-text-secondary);
  display: block;
  margin-bottom: 0.5rem;
}

.event-info .event-category {
  font-size: 0.8rem;
  color: #10b981;
  background: rgba(16, 185, 129, 0.15);
  padding: 0.25rem 0.5rem;
  border-radius: 4px;
  display: inline-block;
  font-weight: var(--font-weight-medium);
}

/* Countdown Timer */
.countdown-timer {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

.countdown-segment {
  display: flex;
  flex-direction: column;
  align-items: center;
  background: rgba(16, 185, 129, 0.15);
  border: 2px solid rgba(16, 185, 129, 0.3);
  border-radius: 8px;
  padding: 0.75rem 1rem;
  min-width: 70px;
  transition: all 0.3s var(--ease-standard);
}

.countdown-segment:hover {
  background: rgba(16, 185, 129, 0.25);
  border-color: rgba(16, 185, 129, 0.5);
  transform: translateY(-2px);
}

.countdown-value {
  font-size: 2rem;
  font-weight: var(--font-weight-bold);
  color: #10b981;
  line-height: 1;
  font-family: 'Courier New', monospace;
}

.countdown-label {
  font-size: 0.75rem;
  text-transform: uppercase;
  color: var(--color-text-secondary);
  margin-top: 0.25rem;
  letter-spacing: 0.5px;
  font-weight: var(--font-weight-medium);
}

.countdown-expired {
  color: #ef4444;
  font-weight: var(--font-weight-bold);
  font-size: 1rem;
}

/* Animation for seconds counter */
@keyframes pulseCountdown {
  0%, 100% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.05);
  }
}

.countdown-segment:last-child {
  animation: pulseCountdown 1s infinite;
}

.event-name {
  font-weight: var(--font-weight-semibold);
  color: var(--color-text);
}

.event-date {
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-normal);
}

.event-category-badge {
  display: inline-block;
  font-size: var(--font-size-xs);
  padding: var(--space-2) var(--space-6);
  border-radius: var(--radius-sm);
  margin-left: var(--space-8);
  font-weight: var(--font-weight-medium);
  background-color: rgba(var(--color-teal-300-rgb), 0.15);
  color: var(--color-primary);
}



/* Compact Local Time Bar */
.local-time-compact {
  background: rgba(16, 185, 129, 0.1);
  border: 1px solid rgba(16, 185, 129, 0.3);
  border-radius: 8px;
  padding: 0.75rem 1.5rem;
  margin: 1rem auto;
  max-width: 900px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  flex-wrap: wrap;
  font-size: 0.95rem;
  line-height: 1.5;
}

.local-icon {
  font-size: 1.2rem;
}

.local-label {
  font-weight: 600;
  color: #10b981;
}

.local-time {
  font-weight: bold;
  color: white;
  font-family: 'Courier New', monospace;
}

.separator {
  color: rgba(255, 255, 255, 0.4);
  font-weight: bold;
}

.local-date {
  color: rgba(255, 255, 255, 0.9);
}

.local-tz {
  color: rgba(255, 255, 255, 0.8);
  font-size: 0.9rem;
}

.local-offset {
  color: #3b82f6;
  font-size: 0.9rem;
  font-weight: 600;
}

/* Responsive - Stack on mobile */
@media (max-width: 768px) {
  .local-time-compact {
    font-size: 0.85rem;
    padding: 0.6rem 1rem;
  }
  
  .local-icon {
    font-size: 1rem;
  }
}

/* Responsive design for events timeline */
@media (max-width: 768px) {
  .events-timeline {
    padding: 1rem;
    margin-top: 2rem;
  }
  
  .timeline-title {
    font-size: var(--font-size-2xl);
    margin-bottom: 1.5rem;
  }
  
  .event-section {
    padding: 1rem;
    margin-bottom: 1.5rem;
  }
  
  .section-header {
    font-size: var(--font-size-lg);
  }
  
  .section-icon {
    font-size: 1.2rem;
  }
  
  .event-list li {
    padding: 0.5rem 0;
    font-size: var(--font-size-sm);
  }
  
  .event-category-badge {
    display: block;
    margin-left: 0;
    margin-top: var(--space-4);
    width: fit-content;
  }
  
  /* Responsive countdown */
  .event-item {
    padding: 1rem;
  }
  
  .countdown-segment {
    min-width: 60px;
    padding: 0.5rem 0.75rem;
  }
  
  .countdown-value {
    font-size: 1.5rem;
  }
  
  .countdown-label {
    font-size: 0.65rem;
  }
  
  .countdown-timer {
    gap: 0.5rem;
  }
}