: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 */
/* Dark Theme with Neon Highlights for Flight Prediction App */

/* Override design system for black theme */
:root {
  /* Override backgrounds to pure black */
  --color-background: #000000;
  --color-surface: #0a0a0a;
  
  /* Neon color palette */
  --neon-blue: #00f5ff;
  --neon-green: #39ff14;
  --neon-pink: #ff10f0;
  --neon-purple: #bf00ff;
  --neon-cyan: #00ffff;
  
  /* Override text colors */
  --color-text: #ffffff;
  --color-text-secondary: #cccccc;
  
  /* Override primary colors to neon */
  --color-primary: var(--neon-blue);
  --color-primary-hover: #00d9e6;
  --color-primary-active: #00bfcc;
  
  /* Custom spacing */
  --base-padding: 16px;
  --section-spacing: 24px;
  --button-padding: 8px;
  --form-spacing: 12px;
  
  /* Animation timing */
  --transition-fast: 0.15s ease-out;
  --transition-normal: 0.3s ease-out;
}

/* Base styles */
html, body {
  background: #000000;
  color: #ffffff;
  margin: 0;
  padding: 0;
  font-family: 'Inter', var(--font-family-base);
  overflow-x: hidden;
}

body {
  background: linear-gradient(135deg, #000000 0%, #0a0a0a 50%, #000000 100%);
  min-height: 100vh;
}

/* Header with neon styling */
.header {
  background: rgba(0, 0, 0, 0.95);
  backdrop-filter: blur(20px);
  border-bottom: 2px solid rgba(0, 245, 255, 0.3);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 4px 20px rgba(0, 245, 255, 0.1);
}

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

.logo {
  display: flex;
  align-items: center;
  gap: var(--form-spacing);
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  color: var(--neon-blue);
  cursor: pointer;
  transition: all var(--transition-normal);
}

.logo:hover {
  text-shadow: 0 0 20px var(--neon-blue);
  transform: scale(1.05);
}

.logo-icon {
  width: 24px;
  height: 24px;
  filter: drop-shadow(0 0 10px var(--neon-blue));
  transition: all var(--transition-normal);
}

.logo:hover .logo-icon {
  filter: drop-shadow(0 0 20px var(--neon-blue));
  transform: rotate(10deg);
}

/* Navigation with neon effects */
.nav {
  display: flex;
  gap: var(--button-padding);
}

.nav-btn {
  background: transparent;
  border: 2px solid rgba(0, 245, 255, 0.3);
  color: #ffffff;
  padding: var(--button-padding) var(--base-padding);
  border-radius: 8px;
  cursor: pointer;
  transition: all var(--transition-normal);
  font-weight: var(--font-weight-medium);
  min-height: 44px;
  display: flex;
  align-items: center;
  text-transform: uppercase;
  font-size: var(--font-size-sm);
  letter-spacing: 0.5px;
}

.nav-btn:hover {
  background: rgba(0, 245, 255, 0.1);
  border-color: var(--neon-blue);
  color: var(--neon-blue);
  box-shadow: 0 0 20px rgba(0, 245, 255, 0.3);
  transform: translateY(-2px);
}

.nav-btn.active {
  background: linear-gradient(135deg, var(--neon-blue) 0%, var(--neon-cyan) 100%);
  color: #000000;
  border-color: var(--neon-blue);
  box-shadow: 0 0 30px rgba(0, 245, 255, 0.5);
  text-shadow: none;
}

/* Portal management */
.portal {
  display: none;
  padding: var(--section-spacing) 0;
  min-height: calc(100vh - 80px);
}

.portal.active {
  display: block;
}

/* Hero section with neon glow */
.hero {
  text-align: center;
  padding: 64px 0;
  background: radial-gradient(circle at center, rgba(0, 245, 255, 0.05) 0%, transparent 70%);
}

.hero-title {
  font-size: 48px;
  font-weight: var(--font-weight-bold);
  color: #ffffff;
  margin-bottom: var(--base-padding);
  background: linear-gradient(135deg, var(--neon-blue) 0%, var(--neon-cyan) 50%, var(--neon-green) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  text-shadow: 0 0 40px rgba(0, 245, 255, 0.3);
  animation: heroGlow 3s ease-in-out infinite alternate;
}

@keyframes heroGlow {
  0% { filter: drop-shadow(0 0 20px rgba(0, 245, 255, 0.3)); }
  100% { filter: drop-shadow(0 0 40px rgba(0, 245, 255, 0.6)); }
}

.hero-subtitle {
  font-size: var(--font-size-xl);
  color: #cccccc;
  margin-bottom: 48px;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.6;
}

/* Portal cards with neon borders */
.portal-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--section-spacing);
  margin-top: 48px;
}

.portal-card {
  background: rgba(10, 10, 10, 0.8);
  backdrop-filter: blur(20px);
  border: 2px solid rgba(0, 245, 255, 0.2);
  border-radius: 12px;
  padding: var(--section-spacing);
  text-align: center;
  cursor: pointer;
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.portal-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(0, 245, 255, 0.1), transparent);
  transition: left 0.5s ease;
}

.portal-card:hover::before {
  left: 100%;
}

.portal-card:hover {
  background: rgba(15, 15, 15, 0.9);
  border-color: var(--neon-blue);
  transform: translateY(-8px);
  box-shadow: 0 20px 40px rgba(0, 245, 255, 0.2), 0 0 60px rgba(0, 245, 255, 0.1);
}

.portal-icon {
  width: 80px;
  height: 80px;
  background: linear-gradient(135deg, var(--neon-blue) 0%, var(--neon-cyan) 100%);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--base-padding);
  box-shadow: 0 0 30px rgba(0, 245, 255, 0.4);
  transition: all var(--transition-normal);
}

.portal-card:hover .portal-icon {
  transform: scale(1.1) rotate(10deg);
  box-shadow: 0 0 50px rgba(0, 245, 255, 0.6);
}

.portal-icon .icon {
  width: 32px;
  height: 32px;
  color: #000000;
}

.portal-card h3 {
  color: #ffffff;
  margin-bottom: var(--button-padding);
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-bold);
}

.portal-card p {
  color: #cccccc;
  margin-bottom: 20px;
  line-height: 1.6;
}

/* Portal header */
.portal-header {
  text-align: center;
  margin-bottom: 48px;
}

.portal-header h1 {
  color: #ffffff;
  margin-bottom: var(--button-padding);
  font-size: 36px;
  text-shadow: 0 0 20px rgba(0, 245, 255, 0.3);
}

.portal-header p {
  color: #cccccc;
  font-size: var(--font-size-lg);
}

/* Dashboard grid */
.dashboard-grid {
  display: grid;
  gap: var(--section-spacing);
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
}

/* Card styles with neon glow */
.card {
  background: rgba(10, 10, 10, 0.9);
  backdrop-filter: blur(20px);
  border: 2px solid rgba(0, 245, 255, 0.2);
  border-radius: 12px;
  overflow: hidden;
  transition: all var(--transition-normal);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
}

.card:hover {
  background: rgba(15, 15, 15, 0.95);
  border-color: rgba(0, 245, 255, 0.4);
  box-shadow: 0 8px 40px rgba(0, 245, 255, 0.1);
  transform: translateY(-4px);
}

.card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px;
  border-bottom: 2px solid rgba(0, 245, 255, 0.1);
  background: rgba(0, 245, 255, 0.05);
}

.card-header h3 {
  color: #ffffff;
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-bold);
  margin: 0;
}

.card-header .icon {
  color: var(--neon-blue);
  width: 24px;
  height: 24px;
  filter: drop-shadow(0 0 10px var(--neon-blue));
  transition: all var(--transition-normal);
}

.card-header .icon:hover {
  filter: drop-shadow(0 0 20px var(--neon-blue));
  transform: scale(1.2);
}

.card-body {
  padding: 20px;
}

/* Form controls with white inputs and neon focus */
.form-control {
  background: #ffffff;
  border: 2px solid rgba(255, 255, 255, 0.3);
  color: #000000;
  padding: var(--form-spacing) var(--base-padding);
  border-radius: 8px;
  font-size: var(--font-size-md);
  min-height: 48px;
  transition: all var(--transition-normal);
  width: 100%;
}

.form-control:focus {
  background: #ffffff;
  border-color: var(--neon-blue);
  box-shadow: 0 0 20px rgba(0, 245, 255, 0.4);
  outline: none;
}

.form-control option {
  background: #ffffff;
  color: #000000;
}

.form-label {
  color: #ffffff;
  font-weight: var(--font-weight-medium);
  margin-bottom: var(--button-padding);
  display: block;
  font-size: var(--font-size-sm);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* Flight search form */
.flight-search-form {
  display: flex;
  flex-direction: column;
  gap: var(--base-padding);
}

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

.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--button-padding);
}

/* Buttons with neon effects */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--form-spacing) var(--base-padding);
  border-radius: 8px;
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-medium);
  line-height: 1.5;
  cursor: pointer;
  transition: all var(--transition-normal);
  border: 2px solid transparent;
  text-decoration: none;
  position: relative;
  min-height: 48px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.btn:focus-visible {
  outline: none;
  box-shadow: 0 0 0 3px rgba(0, 245, 255, 0.4);
}

.btn--primary {
  background: linear-gradient(135deg, var(--neon-blue) 0%, var(--neon-cyan) 100%);
  color: #000000;
  border-color: var(--neon-blue);
  box-shadow: 0 0 20px rgba(0, 245, 255, 0.3);
  font-weight: var(--font-weight-bold);
}

.btn--primary:hover {
  background: linear-gradient(135deg, #00d9e6 0%, #00bfcc 100%);
  transform: translateY(-2px) scale(1.05);
  box-shadow: 0 4px 30px rgba(0, 245, 255, 0.5);
}

.btn--secondary {
  background: rgba(0, 0, 0, 0.8);
  color: var(--neon-blue);
  border-color: var(--neon-blue);
}

.btn--secondary:hover {
  background: rgba(0, 245, 255, 0.1);
  box-shadow: 0 0 20px rgba(0, 245, 255, 0.3);
  transform: translateY(-2px);
}

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

.btn--sm {
  padding: 6px var(--form-spacing);
  font-size: var(--font-size-sm);
  min-height: 36px;
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none !important;
  box-shadow: none !important;
}

.btn .icon {
  width: 16px;
  height: 16px;
  margin-right: var(--button-padding);
}

/* Prediction display with neon highlights */
.prediction-display {
  display: flex;
  flex-direction: column;
  gap: var(--base-padding);
}

.prediction-metric {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--form-spacing) var(--base-padding);
  background: rgba(0, 245, 255, 0.05);
  border: 1px solid rgba(0, 245, 255, 0.2);
  border-radius: 8px;
  transition: all var(--transition-normal);
}

.prediction-metric:hover {
  background: rgba(0, 245, 255, 0.1);
  box-shadow: 0 0 15px rgba(0, 245, 255, 0.2);
}

.metric-label {
  color: #cccccc;
  font-size: var(--font-size-sm);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.metric-value {
  color: var(--neon-blue);
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-bold);
  text-shadow: 0 0 10px rgba(0, 245, 255, 0.5);
}

/* Alternatives with risk indicators */
.alternatives-list {
  display: flex;
  flex-direction: column;
  gap: var(--form-spacing);
}

.alternative-flight {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--form-spacing) var(--base-padding);
  background: rgba(0, 0, 0, 0.6);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 8px;
  transition: all var(--transition-normal);
}

.alternative-flight:hover {
  background: rgba(10, 10, 10, 0.8);
  border-color: rgba(0, 245, 255, 0.3);
  box-shadow: 0 0 15px rgba(0, 245, 255, 0.1);
}

.flight-info {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.flight-route {
  color: #ffffff;
  font-weight: var(--font-weight-medium);
}

.flight-details {
  color: #cccccc;
  font-size: var(--font-size-sm);
}

.risk-score {
  display: flex;
  align-items: center;
  gap: var(--button-padding);
}

.risk-indicator {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  box-shadow: 0 0 10px currentColor;
}

.risk-low { background: var(--neon-green); color: var(--neon-green); }
.risk-medium { background: #ff9500; color: #ff9500; }
.risk-high { background: var(--neon-pink); color: var(--neon-pink); }

/* Metrics grid with neon glow */
.metrics-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: var(--base-padding);
}

.metric-card {
  display: flex;
  flex-direction: column;
  gap: var(--button-padding);
  padding: var(--base-padding);
  background: rgba(0, 245, 255, 0.05);
  border: 1px solid rgba(0, 245, 255, 0.2);
  border-radius: 8px;
  text-align: center;
  transition: all var(--transition-normal);
}

.metric-card:hover {
  background: rgba(0, 245, 255, 0.1);
  box-shadow: 0 0 20px rgba(0, 245, 255, 0.2);
  transform: translateY(-4px);
}

.metric-card .metric-label {
  color: #cccccc;
  font-size: var(--font-size-xs);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.metric-card .metric-value {
  color: var(--neon-blue);
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  text-shadow: 0 0 10px rgba(0, 245, 255, 0.5);
}

/* Chart containers */
.chart-container {
  position: relative;
  background: rgba(0, 0, 0, 0.5);
  border-radius: 8px;
  padding: 10px;
}

/* Status indicators with neon colors */
.status {
  display: inline-flex;
  align-items: center;
  padding: 4px var(--form-spacing);
  border-radius: 20px;
  font-weight: var(--font-weight-medium);
  font-size: var(--font-size-xs);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.status--success {
  background: rgba(57, 255, 20, 0.2);
  color: var(--neon-green);
  border: 1px solid var(--neon-green);
  box-shadow: 0 0 10px rgba(57, 255, 20, 0.3);
}

.status--error {
  background: rgba(255, 16, 240, 0.2);
  color: var(--neon-pink);
  border: 1px solid var(--neon-pink);
  box-shadow: 0 0 10px rgba(255, 16, 240, 0.3);
}

.status--warning {
  background: rgba(255, 149, 0, 0.2);
  color: #ff9500;
  border: 1px solid #ff9500;
  box-shadow: 0 0 10px rgba(255, 149, 0, 0.3);
}

.status--info {
  background: rgba(0, 245, 255, 0.2);
  color: var(--neon-blue);
  border: 1px solid var(--neon-blue);
  box-shadow: 0 0 10px rgba(0, 245, 255, 0.3);
}

/* Alerts with neon styling */
.alerts-list {
  display: flex;
  flex-direction: column;
  gap: var(--form-spacing);
}

.alert {
  display: flex;
  align-items: flex-start;
  gap: var(--form-spacing);
  padding: var(--base-padding);
  border-radius: 8px;
  border-left: 4px solid;
  background: rgba(0, 0, 0, 0.6);
  transition: all var(--transition-normal);
}

.alert:hover {
  background: rgba(10, 10, 10, 0.8);
  box-shadow: 0 0 15px rgba(0, 0, 0, 0.5);
}

.alert--warning {
  border-left-color: #ff9500;
  background: rgba(255, 149, 0, 0.1);
}

.alert--error {
  border-left-color: var(--neon-pink);
  background: rgba(255, 16, 240, 0.1);
}

.alert-icon {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  margin-top: 2px;
}

.alert--warning .alert-icon { color: #ff9500; filter: drop-shadow(0 0 5px #ff9500); }
.alert--error .alert-icon { color: var(--neon-pink); filter: drop-shadow(0 0 5px var(--neon-pink)); }

.alert-content {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.alert-title {
  color: #ffffff;
  font-weight: var(--font-weight-medium);
}

.alert-message {
  color: #cccccc;
  font-size: var(--font-size-sm);
}

/* Modal with neon effects */
.modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.9);
  backdrop-filter: blur(10px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
}

.modal.hidden {
  display: none;
}

.modal-content {
  background: rgba(10, 10, 10, 0.95);
  backdrop-filter: blur(30px);
  border: 2px solid var(--neon-blue);
  border-radius: 12px;
  padding: 48px;
  text-align: center;
  max-width: 400px;
  box-shadow: 0 0 50px rgba(0, 245, 255, 0.3);
}

.modal-content h3 {
  color: #ffffff;
  margin: var(--base-padding) 0 var(--button-padding);
}

.modal-content p {
  color: #cccccc;
  margin: 0;
}

/* Loading spinner with neon glow */
.loading-spinner {
  width: 40px;
  height: 40px;
  border: 3px solid rgba(0, 245, 255, 0.3);
  border-top: 3px solid var(--neon-blue);
  border-radius: 50%;
  animation: spin 1s linear infinite;
  margin: 0 auto;
  box-shadow: 0 0 20px rgba(0, 245, 255, 0.3);
}

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

/* Airline selector */
.airline-selector {
  max-width: 200px;
  background: #ffffff;
  color: #000000;
}

/* Financial metrics */
.financial-metrics, .health-metrics, .model-metrics, .analytics-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: var(--base-padding);
}

.financial-metric, .health-metric, .model-metric, .analytics-metric {
  display: flex;
  flex-direction: column;
  gap: var(--button-padding);
  padding: var(--base-padding);
  background: rgba(0, 0, 0, 0.6);
  border: 1px solid rgba(0, 245, 255, 0.2);
  border-radius: 8px;
  text-align: center;
  transition: all var(--transition-normal);
}

.financial-metric:hover, .health-metric:hover, .model-metric:hover, .analytics-metric:hover {
  background: rgba(0, 245, 255, 0.05);
  box-shadow: 0 0 15px rgba(0, 245, 255, 0.2);
  transform: translateY(-2px);
}

.financial-loss {
  color: var(--neon-pink) !important;
  text-shadow: 0 0 10px rgba(255, 16, 240, 0.5);
}

.financial-projection {
  color: #ff9500 !important;
  text-shadow: 0 0 10px rgba(255, 149, 0, 0.5);
}

.health-good {
  color: var(--neon-green) !important;
  text-shadow: 0 0 10px rgba(57, 255, 20, 0.5);
}

/* Logs */
.logs-list {
  display: flex;
  flex-direction: column;
  gap: var(--button-padding);
  max-height: 200px;
  overflow-y: auto;
}

.log-entry {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: var(--form-spacing);
  padding: var(--button-padding);
  background: rgba(0, 0, 0, 0.4);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 6px;
  align-items: center;
  transition: all var(--transition-fast);
}

.log-entry:hover {
  background: rgba(0, 245, 255, 0.05);
  border-color: rgba(0, 245, 255, 0.3);
}

.log-time {
  color: var(--neon-blue);
  font-size: var(--font-size-xs);
  font-family: var(--font-family-mono);
  text-shadow: 0 0 5px rgba(0, 245, 255, 0.3);
}

.log-message {
  color: #cccccc;
  font-size: var(--font-size-sm);
}

/* Cab options */
.cab-options {
  display: flex;
  flex-direction: column;
  gap: var(--form-spacing);
}

.cab-option {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--form-spacing) var(--base-padding);
  background: rgba(0, 0, 0, 0.6);
  border: 1px solid rgba(0, 245, 255, 0.2);
  border-radius: 8px;
  color: #ffffff;
  transition: all var(--transition-normal);
}

.cab-option:hover {
  background: rgba(0, 245, 255, 0.05);
  box-shadow: 0 0 15px rgba(0, 245, 255, 0.1);
}

/* Responsive design */
@media (max-width: 1024px) {
  .dashboard-grid {
    grid-template-columns: 1fr;
  }
  
  .portal-cards {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .form-row {
    grid-template-columns: 1fr;
  }
  
  .hero-title {
    font-size: 36px;
  }
  
  .nav {
    flex-wrap: wrap;
    gap: 4px;
  }
  
  .nav-btn {
    padding: 6px var(--form-spacing);
    font-size: var(--font-size-xs);
    min-height: 36px;
  }
  
  .metrics-grid, .financial-metrics, .health-metrics, .analytics-grid {
    grid-template-columns: 1fr 1fr;
  }
  
  .modal-content {
    margin: 20px;
    padding: 32px 24px;
  }
}

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

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

/* Container adjustments */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--base-padding);
}

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

::-webkit-scrollbar-track {
  background: rgba(0, 0, 0, 0.3);
}

::-webkit-scrollbar-thumb {
  background: var(--neon-blue);
  border-radius: 4px;
  box-shadow: 0 0 10px rgba(0, 245, 255, 0.3);
}

::-webkit-scrollbar-thumb:hover {
  background: #00d9e6;
}

.chatbot-widget {
    position: fixed;
    bottom: 20px;
    right: 20px;
    z-index: 1000;
    font-family: var(--font-family-base);
}

/* Toggle Button */
.chat-toggle-btn {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--neon-blue) 0%, var(--neon-cyan) 100%);
    border: 2px solid var(--neon-blue);
    color: #000000;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 8px 25px rgba(0, 245, 255, 0.4), 
                0 0 30px rgba(0, 245, 255, 0.2);
    position: relative;
    animation: chatPulse 3s ease-in-out infinite;
}

.chat-toggle-btn:hover {
    transform: scale(1.1) rotate(10deg);
    box-shadow: 0 12px 35px rgba(0, 245, 255, 0.6), 
                0 0 50px rgba(0, 245, 255, 0.4);
}

.chat-toggle-btn:active {
    transform: scale(0.95);
}

.chat-toggle-icon {
    width: 24px;
    height: 24px;
    transition: transform 0.3s ease;
}

.notification-badge {
    position: absolute;
    top: -5px;
    right: -5px;
    width: 20px;
    height: 20px;
    background: var(--neon-pink);
    color: #000000;
    border-radius: 50%;
    font-size: 10px;
    font-weight: bold;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 0 15px rgba(255, 16, 240, 0.6);
    animation: badgePulse 2s ease-in-out infinite;
}

/* Chat Window */
.chat-window {
    position: absolute;
    bottom: 80px;
    right: 0;
    width: 350px;
    height: 500px;
    background: rgba(5, 5, 5, 0.98);
    backdrop-filter: blur(20px);
    border: 2px solid var(--neon-blue);
    border-radius: 16px;
    box-shadow: 0 20px 60px rgba(0, 245, 255, 0.3),
                0 0 50px rgba(0, 245, 255, 0.1);
    display: none;
    flex-direction: column;
    overflow: hidden;
    transform: scale(0.8) translateY(20px);
    opacity: 0;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.chat-window.open {
    display: flex;
    transform: scale(1) translateY(0);
    opacity: 1;
}

/* Chat Header */
.chat-header {
    background: linear-gradient(135deg, rgba(0, 245, 255, 0.1) 0%, rgba(0, 255, 255, 0.05) 100%);
    border-bottom: 1px solid rgba(0, 245, 255, 0.3);
    padding: 16px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: relative;
}

.chat-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--neon-blue), transparent);
}

.chat-header-content {
    display: flex;
    align-items: center;
    gap: 12px;
}

.bot-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--neon-blue) 0%, var(--neon-cyan) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 0 20px rgba(0, 245, 255, 0.4);
}

.bot-avatar .icon {
    width: 20px;
    height: 20px;
    color: #000000;
}

.chat-title h4 {
    margin: 0;
    color: #ffffff;
    font-size: 16px;
    font-weight: 600;
}

.chat-status {
    display: flex;
    align-items: center;
    gap: 6px;
    color: var(--neon-green);
    font-size: 12px;
    margin-top: 2px;
}

.status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--neon-green);
    box-shadow: 0 0 10px rgba(57, 255, 20, 0.6);
    animation: statusPulse 2s ease-in-out infinite;
}

.chat-close-btn {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: #ffffff;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.chat-close-btn:hover {
    background: rgba(255, 16, 240, 0.2);
    border-color: var(--neon-pink);
    color: var(--neon-pink);
    box-shadow: 0 0 15px rgba(255, 16, 240, 0.3);
}

.chat-close-btn .icon {
    width: 16px;
    height: 16px;
}

/* Chat Messages */
.chat-messages {
    flex: 1;
    overflow-y: auto;
    padding: 16px;
    display: flex;
    flex-direction: column;
    gap: 16px;
    scroll-behavior: smooth;
}

.chat-messages::-webkit-scrollbar {
    width: 4px;
}

.chat-messages::-webkit-scrollbar-track {
    background: rgba(0, 0, 0, 0.2);
}

.chat-messages::-webkit-scrollbar-thumb {
    background: rgba(0, 245, 255, 0.3);
    border-radius: 2px;
}

.message {
    display: flex;
    gap: 10px;
    animation: messageSlideIn 0.4s ease-out;
}

.message.user-message {
    flex-direction: row-reverse;
}

.message-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.bot-message .message-avatar {
    background: linear-gradient(135deg, var(--neon-blue) 0%, var(--neon-cyan) 100%);
    box-shadow: 0 0 15px rgba(0, 245, 255, 0.4);
}

.user-message .message-avatar {
    background: linear-gradient(135deg, var(--neon-pink) 0%, var(--neon-purple) 100%);
    box-shadow: 0 0 15px rgba(255, 16, 240, 0.4);
}

.message-avatar .icon {
    width: 16px;
    height: 16px;
    color: #000000;
}

.message-content {
    flex: 1;
    max-width: calc(100% - 45px);
}

.message-text {
    padding: 12px 16px;
    border-radius: 16px;
    font-size: 14px;
    line-height: 1.4;
    word-wrap: break-word;
    position: relative;
}

.bot-message .message-text {
    background: rgba(0, 245, 255, 0.08);
    border: 1px solid rgba(0, 245, 255, 0.2);
    color: #ffffff;
}

.user-message .message-text {
    background: rgba(255, 16, 240, 0.08);
    border: 1px solid rgba(255, 16, 240, 0.2);
    color: #ffffff;
}

.message-time {
    font-size: 10px;
    color: #888;
    margin-top: 4px;
    text-align: right;
}

.user-message .message-time {
    text-align: left;
}

/* Typing Indicator */
.typing-indicator {
    display: flex;
    gap: 10px;
    animation: messageSlideIn 0.4s ease-out;
}

.typing-indicator .message-avatar {
    background: linear-gradient(135deg, var(--neon-blue) 0%, var(--neon-cyan) 100%);
    box-shadow: 0 0 15px rgba(0, 245, 255, 0.4);
}

.typing-dots {
    background: rgba(0, 245, 255, 0.08);
    border: 1px solid rgba(0, 245, 255, 0.2);
    border-radius: 16px;
    padding: 12px 16px;
    display: flex;
    gap: 4px;
    align-items: center;
}

.typing-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--neon-blue);
    animation: typingDots 1.4s infinite;
}

.typing-dot:nth-child(2) { animation-delay: 0.2s; }
.typing-dot:nth-child(3) { animation-delay: 0.4s; }

/* Chat Input Area */
.chat-input-area {
    border-top: 1px solid rgba(0, 245, 255, 0.2);
    padding: 16px;
    background: rgba(0, 0, 0, 0.3);
}

.quick-suggestions {
    display: flex;
    gap: 8px;
    margin-bottom: 12px;
    flex-wrap: wrap;
}

.suggestion-btn {
    background: rgba(0, 245, 255, 0.1);
    border: 1px solid rgba(0, 245, 255, 0.3);
    border-radius: 12px;
    padding: 6px 10px;
    color: var(--neon-blue);
    font-size: 11px;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 4px;
    white-space: nowrap;
}

.suggestion-btn:hover {
    background: rgba(0, 245, 255, 0.2);
    border-color: var(--neon-blue);
    box-shadow: 0 0 10px rgba(0, 245, 255, 0.3);
    transform: translateY(-1px);
}

.suggestion-btn .icon {
    width: 10px;
    height: 10px;
}

.chat-input-container {
    display: flex;
    gap: 10px;
    align-items: flex-end;
}

.chat-input {
    flex: 1;
    background: rgba(10, 10, 10, 0.8);
    border: 1px solid rgba(0, 245, 255, 0.3);
    border-radius: 20px;
    padding: 12px 16px;
    color: #ffffff;
    font-size: 14px;
    resize: none;
    min-height: 20px;
    max-height: 80px;
    transition: all 0.3s ease;
}

.chat-input:focus {
    outline: none;
    border-color: var(--neon-blue);
    box-shadow: 0 0 15px rgba(0, 245, 255, 0.3);
    background: rgba(10, 10, 10, 0.9);
}

.chat-input::placeholder {
    color: #888;
}

.send-btn {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--neon-blue) 0%, var(--neon-cyan) 100%);
    border: none;
    color: #000000;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    box-shadow: 0 0 15px rgba(0, 245, 255, 0.4);
}

.send-btn:hover {
    transform: scale(1.1);
    box-shadow: 0 0 25px rgba(0, 245, 255, 0.6);
}

.send-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
}

.send-btn .icon {
    width: 16px;
    height: 16px;
}

/* Animations */
@keyframes chatPulse {
    0%, 100% { 
        box-shadow: 0 8px 25px rgba(0, 245, 255, 0.4), 
                    0 0 30px rgba(0, 245, 255, 0.2);
    }
    50% { 
        box-shadow: 0 8px 25px rgba(0, 245, 255, 0.6), 
                    0 0 50px rgba(0, 245, 255, 0.4);
    }
}

@keyframes badgePulse {
    0%, 100% { 
        transform: scale(1);
        box-shadow: 0 0 15px rgba(255, 16, 240, 0.6);
    }
    50% { 
        transform: scale(1.1);
        box-shadow: 0 0 25px rgba(255, 16, 240, 0.8);
    }
}

@keyframes statusPulse {
    0%, 100% { 
        opacity: 1;
        transform: scale(1);
    }
    50% { 
        opacity: 0.7;
        transform: scale(1.1);
    }
}

@keyframes messageSlideIn {
    from {
        opacity: 0;
        transform: translateY(15px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes typingDots {
    0%, 60%, 100% {
        transform: scale(1);
        opacity: 0.5;
    }
    30% {
        transform: scale(1.2);
        opacity: 1;
    }
}

/* Responsive Design */
@media (max-width: 768px) {
    .chatbot-widget {
        bottom: 15px;
        right: 15px;
    }
    
    .chat-window {
        width: calc(100vw - 30px);
        right: -15px;
        height: 450px;
    }
    
    .quick-suggestions {
        flex-direction: column;
    }
    
    .suggestion-btn {
        width: 100%;
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .chat-toggle-btn {
        width: 55px;
        height: 55px;
    }
    
    .chat-toggle-icon {
        width: 22px;
        height: 22px;
    }
    
    .chat-window {
        height: 400px;
    }
}

/* Hide badge when window is open */
.chat-window.open ~ .chat-toggle-btn .notification-badge {
    display: none;
}