: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 */
/* Theme Toggle Styles - Challenge 8 Implementation */
:root {
  /* Light Theme Variables */
  --theme-background: #ffffff;
  --theme-surface: #f8fafc;
  --theme-text: #0f172a;
  --theme-text-secondary: #334155;
  --theme-border: #e2e8f0;
  --theme-primary: #0ea5e9;
  --theme-primary-hover: #0284c7;
  --theme-secondary: #10b981;
  --theme-success: #10b981;
  --theme-warning: #f59e0b;
  --theme-danger: #ef4444;
  --theme-shadow: rgba(0, 0, 0, 0.1);
  --theme-shadow-lg: rgba(0, 0, 0, 0.15);
  
  /* Chart Colors for Light Theme */
  --chart-primary: #1FB8CD;
  --chart-secondary: #FFC185;
  --chart-tertiary: #B4413C;
  --chart-accent: #5D878F;
  --chart-grid: rgba(0, 0, 0, 0.1);
  --chart-text: #334155;
  
  /* Theme transition */
  --theme-transition: all 0.3s ease-in-out;
}

/* Dark Theme Variables */
[data-theme="dark"] {
  --theme-background: #0f172a;
  --theme-surface: #1e293b;
  --theme-text: #f1f5f9;
  --theme-text-secondary: #cbd5e1;
  --theme-border: #334155;
  --theme-primary: #38bdf8;
  --theme-primary-hover: #0ea5e9;
  --theme-secondary: #34d399;
  --theme-success: #34d399;
  --theme-warning: #fbbf24;
  --theme-danger: #f87171;
  --theme-shadow: rgba(0, 0, 0, 0.3);
  --theme-shadow-lg: rgba(0, 0, 0, 0.5);
  
  /* Chart Colors for Dark Theme */
  --chart-primary: #38bdf8;
  --chart-secondary: #fbbf24;
  --chart-tertiary: #f87171;
  --chart-accent: #34d399;
  --chart-grid: rgba(255, 255, 255, 0.1);
  --chart-text: #cbd5e1;
}

/* Base styles with theme variables */
body {
  background: linear-gradient(135deg, var(--theme-background) 0%, var(--theme-surface) 100%);
  color: var(--theme-text);
  font-family: var(--font-family-base);
  margin: 0;
  padding: 0;
  min-height: 100vh;
  transition: var(--theme-transition);
}

/* Theme Toggle Button */
.theme-toggle {
  display: flex;
  align-items: center;
  cursor: pointer;
  padding: var(--space-4);
  border-radius: var(--radius-full);
  transition: var(--theme-transition);
  outline: none;
  margin-right: var(--space-12);
}

.theme-toggle:hover {
  background: rgba(var(--color-primary), 0.1);
}

.theme-toggle:focus-visible {
  box-shadow: var(--focus-ring);
}

.theme-toggle-track {
  width: 60px;
  height: 30px;
  background: var(--theme-border);
  border-radius: var(--radius-full);
  position: relative;
  transition: var(--theme-transition);
  border: 2px solid var(--theme-border);
}

.theme-toggle-thumb {
  width: 26px;
  height: 26px;
  background: var(--theme-primary);
  border-radius: 50%;
  position: absolute;
  top: 0;
  left: 0;
  transition: var(--theme-transition);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  box-shadow: 0 2px 4px var(--theme-shadow);
}

.theme-icon {
  position: absolute;
  transition: var(--theme-transition);
}

.theme-icon-sun {
  opacity: 1;
  transform: scale(1);
}

.theme-icon-moon {
  opacity: 0;
  transform: scale(0);
}

/* Dark theme toggle state */
[data-theme="dark"] .theme-toggle-thumb {
  transform: translateX(30px);
}

[data-theme="dark"] .theme-icon-sun {
  opacity: 0;
  transform: scale(0);
}

[data-theme="dark"] .theme-icon-moon {
  opacity: 1;
  transform: scale(1);
}

[data-theme="dark"] .theme-toggle-track {
  background: var(--color-slate-500);
  border-color: var(--color-slate-500);
}

/* Loading Screen with theme support */
.loading-screen {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--theme-background);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  transition: var(--theme-transition);
}

.loading-spinner {
  width: 40px;
  height: 40px;
  border: 3px solid var(--theme-border);
  border-top: 3px solid var(--theme-primary);
  border-radius: 50%;
  animation: spin 1s linear infinite;
  margin-bottom: var(--space-16);
}

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

/* Page Management */
.page {
  min-height: 100vh;
  padding-top: 80px;
  transition: var(--theme-transition);
}

.page.hidden {
  display: none;
}

.hidden {
  display: none !important;
}

/* Login Page with theme support */
.login-container {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-20);
  background: linear-gradient(135deg, var(--theme-background) 0%, var(--theme-surface) 100%);
  transition: var(--theme-transition);
}

.login-card {
  background: var(--theme-surface);
  border-radius: var(--radius-lg);
  border: 1px solid var(--theme-border);
  box-shadow: 0 20px 40px var(--theme-shadow-lg), 0 0 0 1px rgba(var(--color-primary), 0.1);
  padding: var(--space-32);
  width: 100%;
  max-width: 400px;
  position: relative;
  overflow: hidden;
  transition: var(--theme-transition);
}

.login-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--theme-primary), var(--theme-secondary));
}

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

.login-header h1 {
  font-size: var(--font-size-3xl);
  margin-bottom: var(--space-8);
  background: linear-gradient(135deg, var(--theme-primary), var(--theme-secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.demo-credentials {
  margin-top: var(--space-24);
  padding: var(--space-16);
  background: var(--color-bg-1);
  border-radius: var(--radius-base);
  border: 1px solid var(--theme-border);
  transition: var(--theme-transition);
}

.demo-credentials p {
  margin: var(--space-4) 0;
  font-size: var(--font-size-sm);
  color: var(--theme-text-secondary);
}

.demo-credentials p:first-child {
  font-weight: var(--font-weight-semibold);
  color: var(--theme-text);
}

/* Navigation with theme support */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 70px;
  background: rgba(var(--color-charcoal-800), 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--theme-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--space-24);
  z-index: 1000;
  transition: var(--theme-transition);
}

[data-theme="light"] .navbar {
  background: rgba(248, 250, 252, 0.95);
}

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

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

.nav-title {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-semibold);
  background: linear-gradient(135deg, var(--theme-primary), var(--theme-secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.nav-links {
  display: flex;
  gap: var(--space-24);
}

.nav-link {
  color: var(--theme-text-secondary);
  text-decoration: none;
  font-weight: var(--font-weight-medium);
  padding: var(--space-8) var(--space-16);
  border-radius: var(--radius-base);
  transition: var(--theme-transition);
}

.nav-link:hover,
.nav-link.active {
  color: var(--theme-primary);
  background: rgba(var(--color-primary), 0.1);
}

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

.user-role {
  padding: var(--space-4) var(--space-8);
  background: var(--theme-primary);
  color: var(--color-btn-primary-text);
  border-radius: var(--radius-full);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-medium);
  text-transform: uppercase;
}

/* Notification Bell with theme support */
.notification-bell {
  position: relative;
  cursor: pointer;
  padding: var(--space-8);
  border-radius: var(--radius-base);
  transition: var(--theme-transition);
}

.notification-bell:hover {
  background: rgba(var(--color-primary), 0.1);
}

.bell-icon {
  font-size: var(--font-size-xl);
  display: block;
}

.notification-badge {
  position: absolute;
  top: var(--space-2);
  right: var(--space-2);
  background: var(--theme-danger);
  color: white;
  border-radius: 50%;
  width: 18px;
  height: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-bold);
  min-width: 18px;
}

.notification-badge.hidden {
  display: none;
}

/* Notification Dropdown with theme support */
.notification-dropdown {
  position: absolute;
  top: 100%;
  right: 0;
  width: 400px;
  max-height: 500px;
  background: var(--theme-surface);
  border: 1px solid var(--theme-border);
  border-radius: var(--radius-lg);
  box-shadow: 0 20px 40px var(--theme-shadow-lg);
  z-index: 2000;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-10px);
  transition: var(--theme-transition);
}

.notification-dropdown.show {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.notification-header {
  padding: var(--space-16);
  border-bottom: 1px solid var(--theme-border);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.notification-header h3 {
  margin: 0;
  font-size: var(--font-size-lg);
  color: var(--theme-text);
}

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

.notification-list {
  max-height: 300px;
  overflow-y: auto;
}

/* Notification Item with theme support */
.notification-item {
  padding: var(--space-16);
  border-bottom: 1px solid var(--theme-border);
  cursor: pointer;
  transition: var(--theme-transition);
  position: relative;
}

.notification-item:hover {
  background: var(--color-bg-1);
}

.notification-item.unread {
  background: rgba(var(--color-primary), 0.05);
  border-left: 3px solid var(--theme-primary);
}

.notification-item.unread::before {
  content: '';
  position: absolute;
  left: var(--space-12);
  top: 50%;
  transform: translateY(-50%);
  width: 8px;
  height: 8px;
  background: var(--theme-primary);
  border-radius: 50%;
}

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

.notification-type {
  display: flex;
  align-items: center;
  gap: var(--space-6);
  margin-bottom: var(--space-6);
}

.notification-type-icon {
  font-size: var(--font-size-base);
}

.notification-type-text {
  font-size: var(--font-size-xs);
  text-transform: uppercase;
  font-weight: var(--font-weight-medium);
  opacity: 0.8;
}

.notification-title {
  font-weight: var(--font-weight-semibold);
  margin-bottom: var(--space-4);
  color: var(--theme-text);
}

.notification-message {
  color: var(--theme-text-secondary);
  font-size: var(--font-size-sm);
  line-height: 1.4;
  margin-bottom: var(--space-6);
}

.notification-time {
  font-size: var(--font-size-xs);
  color: var(--theme-text-secondary);
  opacity: 0.8;
}

/* Container and Layout with theme support */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-24);
}

.page-header {
  margin-bottom: var(--space-32);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-16);
}

.page-header h1 {
  font-size: var(--font-size-4xl);
  margin-bottom: var(--space-8);
  color: var(--theme-text);
}

.page-header p {
  color: var(--theme-text-secondary);
  margin: 0;
}

.page-actions {
  display: flex;
  gap: var(--space-12);
}

/* Statistics Cards with theme support */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--space-24);
  margin-bottom: var(--space-32);
}

.stat-card {
  background: var(--theme-surface);
  border: 1px solid var(--theme-border);
  border-radius: var(--radius-lg);
  padding: var(--space-24);
  display: flex;
  align-items: center;
  gap: var(--space-16);
  transition: var(--theme-transition);
  position: relative;
  overflow: hidden;
}

.stat-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--theme-primary), var(--theme-secondary));
  transform: scaleX(0);
  transition: transform var(--duration-normal) var(--ease-standard);
}

.stat-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 24px var(--theme-shadow-lg);
}

.stat-card:hover::before {
  transform: scaleX(1);
}

.stat-icon {
  font-size: var(--font-size-4xl);
  opacity: 0.8;
}

.stat-content h3 {
  font-size: var(--font-size-3xl);
  font-weight: var(--font-weight-bold);
  margin-bottom: var(--space-4);
  color: var(--theme-primary);
}

.stat-content p {
  color: var(--theme-text-secondary);
  margin: 0;
}

/* Section Cards with theme support */
.section-card {
  background: var(--theme-surface);
  border: 1px solid var(--theme-border);
  border-radius: var(--radius-lg);
  padding: var(--space-24);
  margin-bottom: var(--space-24);
  transition: var(--theme-transition);
}

.section-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-20);
}

.section-header h2 {
  margin: 0;
  color: var(--theme-text);
}

/* Chart Container with theme support */
.chart-container {
  background: var(--theme-surface);
  border-radius: var(--radius-base);
  transition: var(--theme-transition);
}

/* Form Styling with theme support */
.form-card, .settings-card {
  background: var(--theme-surface);
  border: 1px solid var(--theme-border);
  border-radius: var(--radius-lg);
  padding: var(--space-32);
  transition: var(--theme-transition);
}

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

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

.form-group label {
  display: block;
  margin-bottom: var(--space-8);
  font-weight: var(--font-weight-medium);
  color: var(--theme-text);
}

.form-control {
  width: 100%;
  padding: var(--space-12);
  border: 2px solid var(--theme-border);
  border-radius: var(--radius-base);
  background: var(--theme-background);
  color: var(--theme-text);
  font-size: var(--font-size-base);
  transition: var(--theme-transition);
}

.form-control:focus {
  border-color: var(--theme-primary);
  box-shadow: 0 0 0 3px rgba(var(--color-primary), 0.2);
  outline: none;
}

.form-actions {
  display: flex;
  gap: var(--space-16);
  justify-content: flex-end;
  margin-top: var(--space-24);
}

/* Enhanced Buttons with theme support */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-12) var(--space-20);
  border-radius: var(--radius-base);
  font-weight: var(--font-weight-medium);
  font-size: var(--font-size-base);
  text-decoration: none;
  cursor: pointer;
  border: none;
  transition: var(--theme-transition);
  position: relative;
  overflow: hidden;
}

.btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
  transition: left var(--duration-normal) var(--ease-standard);
}

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

.btn--primary {
  background: linear-gradient(135deg, var(--theme-primary), var(--theme-secondary));
  color: var(--color-btn-primary-text);
  box-shadow: 0 4px 12px rgba(var(--color-primary), 0.3);
}

.btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(var(--color-primary), 0.4);
}

.btn--outline {
  background: transparent;
  border: 2px solid var(--theme-border);
  color: var(--theme-text);
}

.btn--outline:hover {
  border-color: var(--theme-primary);
  color: var(--theme-primary);
}

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

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

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* Filters with theme support */
.filters-card {
  background: var(--theme-surface);
  border: 1px solid var(--theme-border);
  border-radius: var(--radius-lg);
  padding: var(--space-20);
  margin-bottom: var(--space-24);
  transition: var(--theme-transition);
}

.filters-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-16);
}

.filter-group label {
  display: block;
  margin-bottom: var(--space-6);
  font-weight: var(--font-weight-medium);
  color: var(--theme-text-secondary);
  font-size: var(--font-size-sm);
}

/* Complaint Cards with theme support */
.complaints-grid {
  display: grid;
  gap: var(--space-20);
}

.complaint-card {
  background: var(--theme-surface);
  border: 1px solid var(--theme-border);
  border-radius: var(--radius-lg);
  padding: var(--space-20);
  transition: var(--theme-transition);
  cursor: pointer;
  position: relative;
}

.complaint-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px var(--theme-shadow);
  border-color: var(--theme-primary);
}

.complaint-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: var(--space-12);
}

.complaint-title {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  color: var(--theme-text);
  margin: 0;
}

.complaint-id {
  font-size: var(--font-size-sm);
  color: var(--theme-text-secondary);
  background: var(--color-bg-1);
  padding: var(--space-4) var(--space-8);
  border-radius: var(--radius-sm);
}

.complaint-meta {
  display: flex;
  gap: var(--space-12);
  margin-bottom: var(--space-12);
  flex-wrap: wrap;
}

.complaint-description {
  color: var(--theme-text-secondary);
  margin-bottom: var(--space-16);
  line-height: 1.6;
}

.complaint-badges {
  display: flex;
  gap: var(--space-8);
  flex-wrap: wrap;
}

/* Badges with theme support */
.badge {
  padding: var(--space-4) var(--space-8);
  border-radius: var(--radius-full);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-medium);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.category-badge {
  background: var(--color-bg-2);
  color: var(--theme-text);
  display: inline-flex;
  align-items: center;
  gap: var(--space-4);
}

.priority-badge.urgent {
  background: rgba(var(--color-red-400-rgb), 0.2);
  color: var(--theme-danger);
  border: 1px solid rgba(var(--color-red-400-rgb), 0.3);
}

.priority-badge.medium {
  background: rgba(var(--color-orange-400-rgb), 0.2);
  color: var(--theme-warning);
  border: 1px solid rgba(var(--color-orange-400-rgb), 0.3);
}

.priority-badge.low {
  background: rgba(var(--color-teal-300-rgb), 0.2);
  color: var(--theme-success);
  border: 1px solid rgba(var(--color-teal-300-rgb), 0.3);
}

.status-badge.submitted {
  background: rgba(59, 130, 246, 0.2);
  color: #3b82f6;
  border: 1px solid rgba(59, 130, 246, 0.3);
}

.status-badge.in-progress {
  background: rgba(var(--color-orange-400-rgb), 0.2);
  color: var(--theme-warning);
  border: 1px solid rgba(var(--color-orange-400-rgb), 0.3);
}

.status-badge.resolved {
  background: rgba(var(--color-teal-300-rgb), 0.2);
  color: var(--theme-success);
  border: 1px solid rgba(var(--color-teal-300-rgb), 0.3);
}

/* Notification Tabs with theme support */
.notification-tabs {
  display: flex;
  gap: var(--space-2);
  margin-bottom: var(--space-24);
  background: var(--theme-surface);
  border-radius: var(--radius-base);
  padding: var(--space-4);
  transition: var(--theme-transition);
}

.tab-btn {
  padding: var(--space-8) var(--space-16);
  border: none;
  background: transparent;
  color: var(--theme-text-secondary);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: var(--theme-transition);
  font-weight: var(--font-weight-medium);
  font-size: var(--font-size-sm);
}

.tab-btn.active {
  background: var(--theme-primary);
  color: var(--color-btn-primary-text);
}

.tab-btn:hover:not(.active) {
  background: var(--color-bg-1);
  color: var(--theme-text);
}

/* Notifications Container with theme support */
.notifications-container {
  background: var(--theme-surface);
  border: 1px solid var(--theme-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: var(--theme-transition);
}

.notifications-container .notification-item {
  border-bottom: 1px solid var(--theme-border);
}

.notifications-container .notification-item:last-child {
  border-bottom: none;
}

/* Settings with theme support */
.settings-group {
  margin-top: var(--space-24);
}

.setting-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-16);
  padding: var(--space-16);
  border-bottom: 1px solid var(--theme-border);
  transition: var(--theme-transition);
}

.setting-item:last-child {
  border-bottom: none;
}

.setting-item label {
  display: flex;
  align-items: center;
  gap: var(--space-8);
  cursor: pointer;
  font-weight: var(--font-weight-medium);
  margin-bottom: 0;
}

.setting-item input[type="checkbox"] {
  width: 18px;
  height: 18px;
  accent-color: var(--theme-primary);
}

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

/* Modal with theme support */
.modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-20);
}

.modal-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.8);
  backdrop-filter: blur(4px);
}

.modal-content {
  background: var(--theme-surface);
  border: 1px solid var(--theme-border);
  border-radius: var(--radius-lg);
  width: 100%;
  max-width: 600px;
  max-height: 80vh;
  overflow-y: auto;
  position: relative;
  z-index: 1;
  transition: var(--theme-transition);
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-20);
  border-bottom: 1px solid var(--theme-border);
}

.modal-header h3 {
  margin: 0;
  color: var(--theme-text);
}

.modal-close {
  background: none;
  border: none;
  font-size: var(--font-size-2xl);
  color: var(--theme-text-secondary);
  cursor: pointer;
  padding: var(--space-4);
  border-radius: var(--radius-sm);
  transition: var(--theme-transition);
}

.modal-close:hover {
  color: var(--theme-text);
  background: var(--color-bg-1);
}

.modal-body {
  padding: var(--space-20);
}

.modal-actions {
  display: flex;
  gap: var(--space-12);
  justify-content: flex-end;
  margin-top: var(--space-24);
}

/* Progress Tracker with theme support */
.progress-tracker {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin: var(--space-24) 0;
  padding: var(--space-20);
  background: var(--color-bg-1);
  border-radius: var(--radius-base);
  position: relative;
  transition: var(--theme-transition);
}

.progress-tracker::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 60px;
  right: 60px;
  height: 2px;
  background: var(--theme-border);
  z-index: 0;
}

.progress-step {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-8);
  position: relative;
  z-index: 1;
}

.step-icon {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: var(--theme-surface);
  border: 2px solid var(--theme-border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-lg);
  transition: var(--theme-transition);
}

.progress-step.active .step-icon {
  background: var(--theme-primary);
  border-color: var(--theme-primary);
  color: var(--color-btn-primary-text);
  box-shadow: 0 0 20px rgba(var(--color-primary), 0.5);
}

.progress-step span {
  font-size: var(--font-size-sm);
  color: var(--theme-text-secondary);
  font-weight: var(--font-weight-medium);
}

.progress-step.active span {
  color: var(--theme-primary);
}

/* Complaint Detail with theme support */
.complaint-info {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: var(--space-16);
  margin: var(--space-20) 0;
}

.info-group {
  margin-bottom: var(--space-16);
}

.info-group label {
  display: block;
  font-size: var(--font-size-sm);
  color: var(--theme-text-secondary);
  margin-bottom: var(--space-6);
  font-weight: var(--font-weight-medium);
}

/* Staff Actions with theme support */
.staff-actions {
  margin-top: var(--space-24);
  padding: var(--space-20);
  background: var(--color-bg-1);
  border-radius: var(--radius-base);
  transition: var(--theme-transition);
}

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

.status-btn {
  background: var(--color-bg-2);
  color: var(--theme-text);
  border: 1px solid var(--theme-border);
}

.status-btn:hover {
  background: var(--theme-primary);
  color: var(--color-btn-primary-text);
}

/* Profile with theme support */
.profile-card {
  background: var(--theme-surface);
  border: 1px solid var(--theme-border);
  border-radius: var(--radius-lg);
  padding: var(--space-32);
  transition: var(--theme-transition);
}

.profile-info {
  display: flex;
  align-items: center;
  gap: var(--space-24);
}

.profile-avatar {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--theme-primary), var(--theme-secondary));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-btn-primary-text);
}

.profile-details h3 {
  margin: 0 0 var(--space-8) 0;
  font-size: var(--font-size-2xl);
  color: var(--theme-text);
}

.profile-details p {
  margin: 0 0 var(--space-12) 0;
  color: var(--theme-text-secondary);
}

/* Email Preview with theme support */
.email-preview {
  background: var(--theme-background);
  color: var(--theme-text);
  border-radius: var(--radius-base);
  overflow: hidden;
  transition: var(--theme-transition);
}

[data-theme="light"] .email-preview {
  background: white;
  color: black;
}

.email-header {
  background: var(--theme-surface);
  padding: var(--space-16);
  border-bottom: 1px solid var(--theme-border);
}

.email-header p {
  margin: var(--space-4) 0;
  font-size: var(--font-size-sm);
}

.email-body {
  padding: var(--space-20);
  line-height: 1.6;
}

.email-footer {
  background: var(--theme-surface);
  padding: var(--space-12);
  border-top: 1px solid var(--theme-border);
  font-size: var(--font-size-xs);
  color: var(--theme-text-secondary);
  text-align: center;
}

/* SMS Preview with theme support */
.sms-preview {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-16);
}

.sms-device {
  width: 280px;
  background: #000;
  border-radius: 25px;
  padding: var(--space-20) var(--space-16);
  position: relative;
}

.sms-device::before {
  content: '';
  position: absolute;
  top: 8px;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 4px;
  background: #333;
  border-radius: 2px;
}

.sms-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: white;
  font-size: var(--font-size-sm);
  margin-bottom: var(--space-12);
}

.sms-message {
  background: var(--theme-primary);
  color: white;
  padding: var(--space-12);
  border-radius: 18px;
  font-size: var(--font-size-sm);
  line-height: 1.4;
  margin-left: auto;
  margin-right: var(--space-8);
  max-width: 80%;
  word-wrap: break-word;
}

.sms-footer {
  font-size: var(--font-size-xs);
  color: var(--theme-text-secondary);
  text-align: center;
  margin: 0;
}

/* Broadcast Preview with theme support */
.broadcast-preview {
  background: var(--color-bg-1);
  border-radius: var(--radius-base);
  padding: var(--space-20);
  transition: var(--theme-transition);
}

.broadcast-info {
  margin-bottom: var(--space-16);
}

.broadcast-info p {
  margin: var(--space-4) 0;
  font-size: var(--font-size-sm);
}

.broadcast-message {
  background: var(--theme-surface);
  border: 1px solid var(--theme-border);
  border-radius: var(--radius-base);
  padding: var(--space-16);
  transition: var(--theme-transition);
}

/* Toast Notifications with theme support */
.toast-container {
  position: fixed;
  top: 90px;
  right: var(--space-20);
  z-index: 3000;
  display: flex;
  flex-direction: column;
  gap: var(--space-12);
  max-width: 400px;
}

.toast {
  background: var(--theme-surface);
  border: 1px solid var(--theme-border);
  border-radius: var(--radius-base);
  padding: var(--space-16);
  box-shadow: 0 8px 24px var(--theme-shadow-lg);
  min-width: 300px;
  animation: slideIn 0.3s ease-out;
  position: relative;
  cursor: pointer;
  transition: var(--theme-transition);
}

.toast.success {
  border-left: 4px solid var(--theme-success);
}

.toast.error {
  border-left: 4px solid var(--theme-danger);
}

.toast.warning {
  border-left: 4px solid var(--theme-warning);
}

.toast.info {
  border-left: 4px solid var(--theme-primary);
}

.toast-close {
  position: absolute;
  top: var(--space-8);
  right: var(--space-8);
  background: none;
  border: none;
  color: var(--theme-text-secondary);
  cursor: pointer;
  font-size: var(--font-size-lg);
  padding: var(--space-2);
  transition: var(--theme-transition);
}

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

@keyframes slideIn {
  from {
    transform: translateX(100%);
    opacity: 0;
  }
  to {
    transform: translateX(0);
    opacity: 1;
  }
}

@keyframes slideOut {
  from {
    transform: translateX(0);
    opacity: 1;
  }
  to {
    transform: translateX(100%);
    opacity: 0;
  }
}

.toast.removing {
  animation: slideOut 0.3s ease-in forwards;
}

/* Notification animations */
@keyframes bellShake {
  0%, 100% { transform: rotate(0); }
  10%, 30%, 50%, 70%, 90% { transform: rotate(-10deg); }
  20%, 40%, 60%, 80% { transform: rotate(10deg); }
}

.notification-bell.shake {
  animation: bellShake 0.5s ease-in-out;
}

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

.notification-badge.pulse {
  animation: pulse 0.8s ease-in-out infinite;
}

/* Role-based visibility */
.student-only {
  display: none;
}

.staff-only {
  display: none;
}

.admin-only {
  display: none;
}

body[data-role="Student"] .student-only {
  display: initial;
}

body[data-role="Staff"] .staff-only,
body[data-role="Staff"] .student-only {
  display: initial;
}

body[data-role="Admin"] .admin-only,
body[data-role="Admin"] .staff-only,
body[data-role="Admin"] .student-only {
  display: initial;
}

/* Responsive Design */
@media (max-width: 768px) {
  .container {
    padding: 0 var(--space-16);
  }
  
  .navbar {
    padding: 0 var(--space-16);
  }
  
  .nav-links {
    display: none;
  }
  
  .page-header {
    flex-direction: column;
    align-items: flex-start;
  }
  
  .stats-grid {
    grid-template-columns: 1fr;
  }
  
  .form-row {
    grid-template-columns: 1fr;
  }
  
  .filters-grid {
    grid-template-columns: 1fr;
  }
  
  .form-actions, .modal-actions {
    flex-direction: column;
  }
  
  .status-actions {
    flex-direction: column;
  }
  
  .progress-tracker {
    flex-direction: column;
    gap: var(--space-12);
  }
  
  .progress-tracker::before {
    display: none;
  }
  
  .complaint-info {
    grid-template-columns: 1fr;
  }
  
  .profile-info {
    flex-direction: column;
    text-align: center;
  }
  
  .modal-content {
    margin: var(--space-16);
    max-height: calc(100vh - var(--space-32));
  }
  
  .toast-container {
    left: var(--space-16);
    right: var(--space-16);
    max-width: none;
  }
  
  .toast {
    min-width: auto;
  }
  
  .notification-dropdown {
    width: calc(100vw - 32px);
    right: -200px;
  }
  
  .notification-tabs {
    overflow-x: auto;
    flex-wrap: nowrap;
  }
  
  .tab-btn {
    white-space: nowrap;
  }
  
  .nav-user {
    gap: var(--space-8);
  }
  
  .nav-user span {
    display: none;
  }
  
  .nav-user .user-role,
  .nav-user .notification-bell,
  .nav-user .theme-toggle {
    display: flex;
  }
  
  .theme-toggle {
    margin-right: var(--space-8);
  }
  
  .theme-toggle-track {
    width: 50px;
    height: 26px;
  }
  
  .theme-toggle-thumb {
    width: 22px;
    height: 22px;
  }
  
  [data-theme="dark"] .theme-toggle-thumb {
    transform: translateX(24px);
  }
}

/* High contrast mode support */
@media (prefers-contrast: high) {
  :root {
    --theme-border: #000;
    --theme-shadow: rgba(0, 0, 0, 0.5);
  }
  
  [data-theme="dark"] {
    --theme-border: #fff;
  }
}

/* Reduce motion for accessibility */
@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  
  .theme-toggle-thumb {
    transition: none !important;
  }
}

/* Print styles */
@media print {
  .navbar,
  .theme-toggle,
  .notification-bell,
  .toast-container {
    display: none !important;
  }
  
  body {
    background: white !important;
    color: black !important;
  }
  
  .page {
    padding-top: 0 !important;
  }
}