: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 */
/* BillEye - CRITICAL FIX for Hamburger Menu Scroll Issue */

/* Import design system variables */
@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;500;600;700;800&family=Inter:wght@300;400;500;600;700&display=swap');

/* CRITICAL FIX 1: Ensure body and html can always scroll */
html {
    font-size: 16px;
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
    max-width: 100vw;
    overflow-x: hidden; /* Prevent horizontal overflow */
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: linear-gradient(135deg, #0c0c0c 0%, #1a1a2e 50%, #16213e 100%);
    color: white;
    min-height: 100vh;
    line-height: 1.6;
    margin: 0;
    padding: 0;
    /* CRITICAL FIX: Always allow vertical scrolling, prevent horizontal overflow */
    overflow-x: hidden;
    overflow-y: auto; /* Always allow vertical scrolling */
    position: relative;
    max-width: 100vw; /* Prevent content from going beyond viewport */
}

/* Custom Themed Scrollbar - Always Visible */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(135deg, #667eea, #764ba2);
    border-radius: 4px;
    transition: all 0.3s ease;
}

::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(135deg, #5a67d8, #6b46c1);
}

/* Firefox Scrollbar */
* {
    scrollbar-width: thin;
    scrollbar-color: #667eea rgba(255, 255, 255, 0.1);
    box-sizing: border-box;
}

/* Base Reset */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

/* CRITICAL FIX 2: Mobile Header - Fixed positioning without layout shifts */
.mobile-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 80px;
    background: rgba(26, 26, 46, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    align-items: center;
    padding: 0 1rem;
    z-index: 1000;
    gap: 1rem;
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
    /* CRITICAL FIX: Ensure header doesn't cause overflow */
    width: 100%;
    max-width: 100vw;
}

/* Hamburger Toggle - Always visible on mobile, hidden on desktop */
.hamburger-toggle {
    background: rgba(20, 184, 166, 0.2);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(20, 184, 166, 0.4);
    border-radius: 12px;
    padding: 12px;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    width: 48px;
    height: 48px;
}

.hamburger-toggle:hover {
    background: rgba(20, 184, 166, 0.3);
    transform: scale(1.05);
    box-shadow: 0 4px 15px rgba(20, 184, 166, 0.3);
}

.hamburger-toggle svg {
    width: 24px;
    height: 24px;
}

/* Brand Section - Next to hamburger */
.brand-section {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    flex-grow: 0;
    flex-shrink: 0;
}

.brand-title {
    font-family: 'Poppins', sans-serif;
    font-size: 1.75rem;
    font-weight: 700;
    background: linear-gradient(135deg, #14b8a6, #3b82f6);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin: 0;
    line-height: 1;
}

.brand-subtitle {
    font-size: 0.75rem;
    color: rgba(255, 255, 255, 0.6);
    margin: 2px 0 0 0;
    line-height: 1;
    font-style: italic;
}

/* CRITICAL FIX 3: Hamburger Dropdown - Proper positioning to prevent layout shifts */
.hamburger-dropdown {
    position: fixed;
    top: 80px; /* Position below header */
    left: 1rem;
    background: rgba(26, 26, 46, 0.95);
    backdrop-filter: blur(30px);
    -webkit-backdrop-filter: blur(30px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 16px;
    width: 300px; /* Fixed width */
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 999; /* Below header but above content */
    /* CRITICAL FIX: Ensure dropdown doesn't cause overflow or layout shifts */
    max-height: calc(100vh - 100px); /* Prevent going beyond viewport */
    overflow-y: auto; /* Allow scrolling within dropdown if needed */
}

.hamburger-dropdown.hidden {
    opacity: 0;
    transform: scale(0.95) translateY(-10px);
    pointer-events: none;
    visibility: hidden;
}

.hamburger-dropdown:not(.hidden) {
    opacity: 1;
    transform: scale(1) translateY(0);
    pointer-events: all;
    visibility: visible;
}

.dropdown-content {
    padding: 1rem;
}

.dropdown-item {
    display: flex;
    align-items: center;
    width: 100%;
    padding: 12px 16px;
    background: none;
    border: none;
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    border-radius: 8px;
    transition: all 0.3s ease;
    cursor: pointer;
    margin-bottom: 2px;
    font-size: 0.95rem;
    text-align: left;
}

.dropdown-item:hover {
    background: rgba(20, 184, 166, 0.2);
    color: white;
    transform: translateX(4px);
}

.dropdown-icon {
    margin-right: 12px;
    font-size: 1.1rem;
    width: 20px;
    text-align: center;
}

.dropdown-arrow {
    margin-left: auto;
    transition: transform 0.3s ease;
    font-size: 0.8rem;
}

.dropdown-divider {
    height: 1px;
    background: rgba(255, 255, 255, 0.1);
    margin: 0.75rem 0;
}

/* Settings Submenu */
.settings-submenu {
    position: relative;
}

.settings-header {
    justify-content: space-between;
}

.settings-options {
    margin-top: 0.5rem;
    padding-left: 32px;
    border-left: 2px solid rgba(20, 184, 166, 0.3);
}

.settings-options.hidden {
    display: none;
}

.settings-item {
    margin-bottom: 1rem;
}

.settings-label {
    display: flex;
    align-items: center;
    margin-bottom: 0.5rem;
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.7);
}

.settings-select {
    width: 100%;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 8px;
    padding: 8px 12px;
    color: white;
    font-size: 0.875rem;
    cursor: pointer;
    transition: all 0.3s ease;
}

.settings-select:focus {
    outline: none;
    border-color: #14b8a6;
    box-shadow: 0 0 0 2px rgba(20, 184, 166, 0.2);
}

.settings-select option {
    background: #1a1a2e;
    color: white;
    padding: 8px;
}

/* Desktop Sidebar - Hidden on mobile */
.desktop-sidebar {
    position: fixed;
    left: 0;
    top: 0;
    width: 280px;
    height: 100vh;
    background: rgba(26, 26, 46, 0.95);
    backdrop-filter: blur(30px);
    -webkit-backdrop-filter: blur(30px);
    border-right: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 4px 0 30px rgba(0, 0, 0, 0.3);
    z-index: 900;
    display: none; /* Hidden on mobile by default */
}

.sidebar-content {
    padding: 2rem 1.5rem;
    height: 100%;
    overflow-y: auto;
}

.sidebar-brand {
    margin-bottom: 2rem;
    text-align: center;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.sidebar-brand-title {
    font-family: 'Poppins', sans-serif;
    font-size: 2rem;
    font-weight: 700;
    background: linear-gradient(135deg, #14b8a6, #3b82f6);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin: 0;
    line-height: 1;
}

.sidebar-brand-subtitle {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.6);
    margin: 8px 0 0 0;
    line-height: 1;
    font-style: italic;
}

.nav-items {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

/* Navigation Items */
.nav-item {
    display: flex;
    align-items: center;
    padding: 12px 16px;
    margin: 4px 0;
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    border-radius: 12px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
    font-weight: 500;
}

.nav-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
    transition: left 0.6s ease;
}

.nav-item:hover::before {
    left: 100%;
}

.nav-item:hover {
    background: rgba(255, 255, 255, 0.12);
    color: white;
    transform: translateX(8px);
    box-shadow: 0 4px 20px rgba(20, 184, 166, 0.2);
}

.nav-item.active {
    background: linear-gradient(135deg, rgba(20, 184, 166, 0.3), rgba(59, 130, 246, 0.2));
    color: white;
    box-shadow: 0 6px 25px rgba(20, 184, 166, 0.3);
    border: 1px solid rgba(20, 184, 166, 0.4);
}

.nav-icon {
    margin-right: 12px;
    font-size: 1.2rem;
    width: 24px;
    text-align: center;
}

/* CRITICAL FIX 4: Main Content Layout - Protected from shifts */
.main-content {
    width: 100%;
    max-width: 100vw; /* Prevent content from going beyond viewport */
    min-height: 100vh;
    padding: 100px 1rem 2rem 1rem; /* Top padding for fixed header */
    margin-left: 0;
    transition: all 0.3s ease;
    position: relative;
    z-index: 1;
    /* CRITICAL FIX: Ensure main content can always scroll and doesn't overflow */
    overflow-x: hidden;
    overflow-y: auto;
}

/* Section Content Display */
.section {
    display: none;
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    width: 100%;
    max-width: none;
    position: relative;
}

.section.active {
    display: block;
    opacity: 1;
    transform: translateY(0);
}

/* Content Structure */
.content-header {
    text-align: center;
    margin-bottom: 3rem;
}

.page-title {
    font-family: 'Poppins', sans-serif;
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 700;
    background: linear-gradient(135deg, #14b8a6, #3b82f6);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 1rem;
    line-height: 1.2;
}

.page-subtitle {
    color: rgba(255, 255, 255, 0.7);
    font-size: clamp(1rem, 3vw, 1.25rem);
    max-width: 600px;
    margin: 0 auto;
}

.section-title {
    font-family: 'Poppins', sans-serif;
    font-size: 1.25rem;
    font-weight: 600;
    color: white;
    margin-bottom: 1rem;
}

/* Glass Morphism Cards */
.glass-card {
    background: rgba(255, 255, 255, 0.08);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 16px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
    padding: 2rem;
    margin-bottom: 1.5rem;
}

.glass-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.glass-card:hover::before {
    opacity: 1;
}

/* Button System */
.btn {
    padding: 12px 24px;
    border-radius: 12px;
    font-weight: 500;
    font-size: 0.95rem;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: pointer;
    border: none;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
    white-space: nowrap;
}

.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 0.5s ease;
}

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

.btn-primary {
    background: linear-gradient(135deg, #14b8a6, #3b82f6);
    color: white;
    box-shadow: 0 4px 20px rgba(20, 184, 166, 0.4);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(20, 184, 166, 0.6);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.1);
    color: white;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
    box-shadow: 0 6px 25px rgba(255, 255, 255, 0.1);
}

.btn-outline {
    background: transparent;
    color: white;
    border: 2px solid rgba(255, 255, 255, 0.3);
}

.btn-outline:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.5);
    transform: translateY(-2px);
}

/* Form Elements */
.form-input {
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 12px;
    padding: 12px 16px;
    color: white;
    font-size: 0.95rem;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    width: 100%;
    font-family: inherit;
}

.form-input:focus {
    outline: none;
    border-color: #14b8a6;
    box-shadow: 0 0 0 3px rgba(20, 184, 166, 0.2);
    background: rgba(255, 255, 255, 0.12);
}

.form-input::placeholder {
    color: rgba(255, 255, 255, 0.5);
}

/* Stats Grid */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.stat-card {
    background: rgba(255, 255, 255, 0.08);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 16px;
    padding: 2rem;
    text-align: center;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, #14b8a6, #3b82f6, #8b5cf6);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

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

.stat-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: #14b8a6;
    margin-bottom: 0.5rem;
}

.stat-label {
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: white;
}

.stat-change {
    font-size: 0.875rem;
}

.stat-change.positive {
    color: #10b981;
}

.stat-change.warning {
    color: #f59e0b;
}

.stat-change.neutral {
    color: rgba(255, 255, 255, 0.6);
}

/* Content Grid */
.content-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 1.5rem;
    margin-top: 2rem;
}

/* Chart Container */
.chart-container {
    position: relative;
    height: 250px;
    width: 100%;
}

/* Activity List */
.activity-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.activity-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    padding: 0.75rem 0;
}

.activity-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    margin-top: 0.25rem;
    flex-shrink: 0;
    box-shadow: 0 0 10px currentColor;
}

.activity-content {
    flex: 1;
    min-width: 0;
}

.activity-title {
    font-weight: 500;
    color: white;
    margin-bottom: 0.25rem;
}

.activity-subtitle {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.6);
}

.bg-red-500 { background-color: #ef4444; }
.bg-green-500 { background-color: #10b981; }
.bg-blue-500 { background-color: #3b82f6; }

/* Upload Section Styles */
.upload-container {
    max-width: 800px;
    margin: 0 auto;
}

.location-controls {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    margin-bottom: 1rem;
}

.upload-zone {
    background: rgba(255, 255, 255, 0.05);
    border: 2px dashed rgba(255, 255, 255, 0.3);
    border-radius: 16px;
    padding: 3rem 2rem;
    text-align: center;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: pointer;
    position: relative;
    overflow: hidden;
    margin: 1.5rem 0;
}

.upload-zone::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(45deg, rgba(20, 184, 166, 0.1), rgba(59, 130, 246, 0.1));
    opacity: 0;
    transition: opacity 0.3s ease;
}

.upload-zone:hover::before,
.upload-zone.dragover::before {
    opacity: 1;
}

.upload-zone:hover,
.upload-zone.dragover {
    border-color: #14b8a6;
    transform: scale(1.02);
    box-shadow: 0 10px 40px rgba(20, 184, 166, 0.2);
}

.upload-icon {
    font-size: 4rem;
    margin-bottom: 1.5rem;
}

.upload-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.upload-subtitle {
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 0.5rem;
}

.upload-link {
    color: #14b8a6;
    cursor: pointer;
    text-decoration: underline;
}

.upload-link:hover {
    color: #0ea5e9;
}

.upload-note {
    color: rgba(255, 255, 255, 0.5);
}

.location-result {
    padding: 1rem;
    background: rgba(20, 184, 166, 0.1);
    border: 1px solid rgba(20, 184, 166, 0.3);
    border-radius: 8px;
    margin-top: 1rem;
}

.manual-location {
    margin-top: 1rem;
}

.results-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1.5rem;
}

/* Map Styles */
.map-controls {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.map-container {
    width: 100%;
    height: 400px;
    border-radius: 12px;
    overflow: hidden;
    position: relative;
    background: rgba(255, 255, 255, 0.05);
}

/* Billboard Info Windows */
.billboard-info {
    padding: 0.5rem;
    font-family: 'Inter', sans-serif;
}

.billboard-info h3 {
    margin: 0 0 0.5rem 0;
    font-size: 1rem;
    font-weight: 600;
    color: #1e293b;
}

.billboard-info p {
    margin: 0.25rem 0;
    font-size: 0.875rem;
    color: #64748b;
}

.status-compliant {
    color: #059669;
    font-weight: 600;
}

.status-violation {
    color: #dc2626;
    font-weight: 600;
}

.status-pending {
    color: #d97706;
    font-weight: 600;
}

/* Map Controls */
.map-controls .btn {
    margin-bottom: 0.5rem;
}

/* Nearby Search Panel */
.nearby-search-panel {
    position: absolute;
    top: 10px;
    left: 10px;
    z-index: 1000;
    background: rgba(26, 26, 46, 0.95);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 12px;
    padding: 1rem;
    min-width: 250px;
}

.search-controls {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.search-input {
    padding: 0.5rem;
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.1);
    color: white;
    font-size: 0.875rem;
}

.search-input::placeholder {
    color: rgba(255, 255, 255, 0.6);
}

.radius-select {
    padding: 0.5rem;
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.1);
    color: white;
    font-size: 0.875rem;
}

/* Flag Billboard Form */
.flag-billboard-form {
    padding: 0.5rem;
    font-family: 'Inter', sans-serif;
}

.flag-billboard-form h3 {
    margin: 0 0 0.5rem 0;
    font-size: 1rem;
    font-weight: 600;
    color: #1e293b;
}

.flag-billboard-form p {
    margin: 0.25rem 0;
    font-size: 0.875rem;
    color: #64748b;
}

/* Nearby Billboard Info */
.nearby-billboard-info {
    padding: 0.5rem;
    font-family: 'Inter', sans-serif;
}

.nearby-billboard-info h3 {
    margin: 0 0 0.5rem 0;
    font-size: 1rem;
    font-weight: 600;
    color: #1e293b;
}

.nearby-billboard-info p {
    margin: 0.25rem 0;
    font-size: 0.875rem;
    color: #64748b;
}

/* Flagging Form */
.flagging-form {
    padding: 1rem 0;
}

.form-group {
    margin-bottom: 1rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: #1e293b;
}

.form-select, .form-textarea {
    width: 100%;
    padding: 0.5rem;
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.1);
    color: #1e293b;
    font-size: 0.875rem;
}

.form-textarea {
    min-height: 80px;
    resize: vertical;
}

.form-actions {
    display: flex;
    gap: 0.5rem;
    justify-content: flex-end;
    margin-top: 1rem;
}

/* Chart Container */
.chart-container {
    position: relative;
    height: 250px;
    width: 100%;
}

/* Toast Notifications */
.toast-container {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 2000;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.toast {
    background: rgba(26, 26, 46, 0.95);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 12px;
    padding: 1rem;
    min-width: 300px;
    color: white;
    animation: slideIn 0.3s ease-out;
}

.toast-info {
    border-left: 4px solid #3b82f6;
}

.toast-success {
    border-left: 4px solid #10b981;
}

.toast-warning {
    border-left: 4px solid #f59e0b;
}

.toast-error {
    border-left: 4px solid #ef4444;
}

.toast-content {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 0.5rem;
}

.toast-message {
    flex: 1;
    font-size: 0.875rem;
}

.toast-close {
    background: none;
    border: none;
    color: rgba(255, 255, 255, 0.6);
    font-size: 1.25rem;
    cursor: pointer;
    padding: 0;
    width: 20px;
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 4px;
    transition: all 0.2s ease;
}

.toast-close:hover {
    color: white;
    background: rgba(255, 255, 255, 0.1);
}

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

/* Modal System */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(10px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1200;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.modal:not(.hidden) {
    opacity: 1;
    visibility: visible;
}

.modal-backdrop {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    cursor: pointer;
}

.modal-content {
    background: rgba(26, 26, 46, 0.95);
    backdrop-filter: blur(30px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 20px;
    max-width: 600px;
    width: 90%;
    max-height: 80vh;
    overflow: hidden;
    position: relative;
    transform: scale(0.9) translateY(-50px);
    opacity: 0;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.modal:not(.hidden) .modal-content {
    transform: scale(1) translateY(0);
    opacity: 1;
}

.modal-header {
    padding: 1.5rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.modal-title {
    font-family: 'Poppins', sans-serif;
    font-size: 1.25rem;
    font-weight: 600;
    color: white;
}

.modal-close {
    background: none;
    border: none;
    color: white;
    font-size: 1.5rem;
    cursor: pointer;
    padding: 0.5rem;
    border-radius: 8px;
    transition: all 0.3s ease;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-close:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: rotate(90deg);
}

.modal-body {
    padding: 1.5rem;
    max-height: 60vh;
    overflow-y: auto;
}

/* Toast Notifications */
.toast-container {
    position: fixed;
    top: 100px;
    right: 20px;
    z-index: 1300;
    max-width: 400px;
}

.toast {
    background: rgba(26, 26, 46, 0.95);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 12px;
    padding: 1rem 1.25rem;
    margin-bottom: 0.75rem;
    color: white;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
    transform: translateX(100%);
    opacity: 0;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.toast.show {
    transform: translateX(0);
    opacity: 1;
}

.toast.success {
    border-left: 4px solid #10b981;
}

.toast.error {
    border-left: 4px solid #ef4444;
}

.toast.warning {
    border-left: 4px solid #f59e0b;
}

.toast.info {
    border-left: 4px solid #3b82f6;
}

/* Hover Effects */
.hover-lift {
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.hover-lift:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.clickable-tile {
    cursor: pointer;
}

/* Status Badges */
.status-badge {
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    display: inline-block;
}

.status-badge.success {
    background: rgba(16, 185, 129, 0.2);
    color: #10b981;
    border: 1px solid rgba(16, 185, 129, 0.3);
}

.status-badge.error {
    background: rgba(239, 68, 68, 0.2);
    color: #ef4444;
    border: 1px solid rgba(239, 68, 68, 0.3);
}

.status-badge.warning {
    background: rgba(245, 158, 11, 0.2);
    color: #f59e0b;
    border: 1px solid rgba(245, 158, 11, 0.3);
}

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

/* Result Cards */
.result-card {
    background: rgba(255, 255, 255, 0.08);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 16px;
    padding: 1.25rem;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.result-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
}

.result-card img {
    border-radius: 12px;
    width: 100%;
    height: 200px;
    object-fit: cover;
    margin-bottom: 1rem;
}

/* Placeholder text */
.placeholder-text {
    color: rgba(255, 255, 255, 0.6);
    text-align: center;
    padding: 2rem;
}

/* Loading States */
.loading {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    color: rgba(255, 255, 255, 0.7);
    font-style: italic;
}

.loading::before {
    content: '';
    width: 20px;
    height: 20px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top: 2px solid #14b8a6;
    border-radius: 50%;
    margin-right: 12px;
    animation: spin 1s linear infinite;
}

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

/* Hidden class */
.hidden {
    display: none !important;
}

/* CRITICAL FIX 5: Responsive Design Fixes for Mobile Viewport Issues */

/* Desktop Layout */
@media (min-width: 1024px) {
    /* Hide mobile header on desktop */
    .mobile-header {
        display: none;
    }
    
    /* Hide hamburger dropdown on desktop */
    .hamburger-dropdown {
        display: none !important;
    }
    
    /* Show desktop sidebar */
    .desktop-sidebar {
        display: block;
    }
    
    /* Adjust main content for sidebar */
    .main-content {
        margin-left: 280px;
        width: calc(100% - 280px);
        padding: 2rem 3rem;
        max-width: calc(100vw - 280px); /* Prevent overflow with sidebar */
    }
    
    .stats-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

/* Tablets */
@media (min-width: 641px) and (max-width: 1023px) {
    .hamburger-dropdown {
        left: 0.5rem;
        right: 0.5rem;
        width: auto;
        max-width: calc(100vw - 1rem); /* Prevent overflow on tablets */
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .main-content {
        padding: 100px 2rem 2rem 2rem;
    }
}

/* CRITICAL FIX 6: Mobile Phones - Ensure no overflow issues */
@media (max-width: 640px) {
    .mobile-header {
        padding: 0 0.75rem;
        width: 100%;
        max-width: 100vw;
    }
    
    .brand-title {
        font-size: 1.5rem;
    }
    
    .brand-subtitle {
        font-size: 0.7rem;
    }
    
    /* CRITICAL FIX: Ensure hamburger dropdown stays within viewport on mobile */
    .hamburger-dropdown {
        left: 0.5rem;
        right: 0.5rem;
        width: auto;
        max-width: calc(100vw - 1rem); /* Prevent horizontal overflow */
        top: 85px; /* Slightly more space on mobile */
    }
    
    .main-content {
        padding: 100px 1rem 1rem 1rem;
        width: 100%;
        max-width: 100vw;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .content-grid {
        grid-template-columns: 1fr;
    }
    
    .map-controls {
        flex-direction: column;
        gap: 0.75rem;
    }
    
    .page-title {
        font-size: 2rem;
    }
    
    .stat-card {
        padding: 1.5rem;
    }
    
    .modal-content {
        width: 95%;
        margin: 1rem;
        max-width: calc(100vw - 2rem);
    }
    
    .location-controls {
        flex-direction: column;
    }
    
    .upload-zone {
        padding: 2rem 1rem;
    }
}

/* Theme Support */
[data-theme="light"] {
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 50%, #cbd5e1 100%);
    color: #1e293b;
}

[data-theme="light"] .mobile-header {
    background: rgba(255, 255, 255, 0.95);
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
}

[data-theme="light"] .hamburger-toggle {
    background: rgba(20, 184, 166, 0.2);
    border: 1px solid rgba(20, 184, 166, 0.4);
}

[data-theme="light"] .hamburger-dropdown {
    background: rgba(255, 255, 255, 0.95);
    border: 1px solid rgba(0, 0, 0, 0.1);
}

[data-theme="light"] .dropdown-item {
    color: rgba(0, 0, 0, 0.8);
}

[data-theme="light"] .dropdown-item:hover {
    background: rgba(20, 184, 166, 0.1);
    color: #000;
}

[data-theme="light"] .desktop-sidebar {
    background: rgba(255, 255, 255, 0.95);
    border-right: 1px solid rgba(0, 0, 0, 0.1);
}

[data-theme="light"] .glass-card {
    background: rgba(255, 255, 255, 0.8);
    border: 1px solid rgba(0, 0, 0, 0.1);
    color: #1e293b;
}

[data-theme="light"] .nav-item {
    color: rgba(0, 0, 0, 0.7);
}

[data-theme="light"] .nav-item:hover {
    color: #1e293b;
}

[data-theme="light"] .form-input {
    background: rgba(0, 0, 0, 0.05);
    border: 1px solid rgba(0, 0, 0, 0.2);
    color: #1e293b;
}

[data-theme="light"] .form-input::placeholder {
    color: rgba(0, 0, 0, 0.5);
}

/* Focus States */
*:focus {
    outline: none;
}

button:focus-visible,
.nav-item:focus-visible,
input:focus-visible,
select:focus-visible,
[tabindex]:focus-visible {
    box-shadow: 0 0 0 3px rgba(20, 184, 166, 0.5);
    border-radius: 4px;
}

/* Camera Feature Styles */
.camera-controls {
    display: flex;
    gap: 1rem;
    margin-bottom: 1rem;
    flex-wrap: wrap;
}

.camera-container {
    width: 100%;
    max-width: 500px;
    margin: 0 auto;
    text-align: center;
}

#cameraVideo {
    width: 100%;
    max-width: 500px;
    height: auto;
    border-radius: 12px;
    border: 2px solid rgba(255, 255, 255, 0.2);
}

.camera-preview {
    width: 100%;
    max-width: 500px;
    margin: 0 auto;
}

.camera-preview img {
    width: 100%;
    height: auto;
    border-radius: 12px;
    border: 2px solid rgba(255, 255, 255, 0.2);
}

#cameraCanvas {
    display: none;
}

/* Responsive camera controls */
@media (max-width: 640px) {
    .camera-controls {
        flex-direction: column;
        align-items: center;
    }
    
    .camera-controls .btn {
        width: 100%;
        max-width: 200px;
    }
}

/* Upload Zone */

/* Chat Integration Styles */
.chat-integration-container {
    padding: 0;
    height: 70vh;
    display: flex;
    flex-direction: column;
    position: relative;
}

/* Authentication Screen */
.chat-auth-screen {
    padding: 2rem;
    text-align: center;
    max-width: 400px;
    margin: 0 auto;
}

.auth-header h3 {
    font-size: 1.75rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.auth-header p {
    color: var(--text-secondary);
    margin-bottom: 2rem;
}

.auth-tabs {
    display: flex;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    padding: 4px;
    margin-bottom: 2rem;
}

.auth-tab {
    flex: 1;
    padding: 0.75rem;
    border: none;
    background: transparent;
    color: var(--text-secondary);
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.2s;
}

.auth-tab.active {
    background: rgba(255, 255, 255, 0.2);
    color: var(--text-primary);
}

.auth-form {
    display: none;
    flex-direction: column;
    gap: 1rem;
}

.auth-form.active {
    display: flex;
}

.auth-form .form-input {
    padding: 0.75rem;
    border-radius: 8px;
}

.btn-google {
    background: #4285f4;
    color: white;
    border: none;
    margin-top: 1rem;
}

.btn-google:hover {
    background: #3367d6;
}

/* Main Chat Interface */
.chat-interface {
    display: flex;
    flex-direction: column;
    height: 100%;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 12px;
    overflow: hidden;
}

.chat-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem;
    background: rgba(255, 255, 255, 0.1);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.user-info {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.user-status {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.chat-main {
    display: flex;
    flex: 1;
    overflow: hidden;
}

/* Sidebar */
.chat-sidebar {
    width: 300px;
    background: rgba(255, 255, 255, 0.05);
    border-right: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    flex-direction: column;
}

.sidebar-tabs {
    display: flex;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.sidebar-tab {
    flex: 1;
    padding: 1rem;
    border: none;
    background: transparent;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.2s;
    border-bottom: 2px solid transparent;
}

.sidebar-tab.active {
    color: var(--text-primary);
    border-bottom-color: #10b981;
}

.sidebar-content {
    flex: 1;
    overflow-y: auto;
    padding: 1rem;
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}

/* User/Friend Lists */
.users-list, .friends-list, .requests-list {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.user-item, .friend-item, .request-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.2s;
}

.user-item:hover, .friend-item:hover, .request-item:hover {
    background: rgba(255, 255, 255, 0.1);
}

.user-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: #10b981;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 600;
}

.user-details {
    flex: 1;
    text-align: left;
}

.user-name {
    font-weight: 500;
    color: var(--text-primary);
}

.user-email {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.status-indicator {
    width: 8px;
    height: 8px;
    border-radius: 50%;
}

.status-online {
    background: #10b981;
}

.status-offline {
    background: #ef4444;
}

.user-actions {
    display: flex;
    gap: 0.5rem;
}

.btn-small {
    padding: 0.25rem 0.5rem;
    font-size: 0.75rem;
    border-radius: 4px;
}

/* Chat Area */
.chat-area {
    flex: 1;
    display: flex;
    flex-direction: column;
}

.chat-messages {
    flex: 1;
    overflow-y: auto;
    padding: 1rem;
}

.chat-placeholder {
    text-align: center;
    padding: 2rem;
    color: var(--text-secondary);
}

.placeholder-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.chat-input-container {
    padding: 1rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    background: rgba(255, 255, 255, 0.05);
}

.typing-indicator {
    padding: 0.5rem;
    color: var(--text-secondary);
    font-size: 0.875rem;
    font-style: italic;
}

.input-group {
    display: flex;
    gap: 0.75rem;
}

.input-group .form-input {
    flex: 1;
}

/* Messages */
.message {
    display: flex;
    margin-bottom: 1rem;
    align-items: flex-start;
    gap: 0.75rem;
}

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

.message-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: #10b981;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 0.875rem;
    font-weight: 600;
}

.message-content {
    max-width: 70%;
}

.message.sent .message-content {
    text-align: right;
}

.message-bubble {
    padding: 0.75rem;
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.message.sent .message-bubble {
    background: #10b981;
    color: white;
}

.message-text {
    margin-bottom: 0.25rem;
    word-wrap: break-word;
}

.message-time {
    font-size: 0.75rem;
    color: var(--text-secondary);
}

.message.sent .message-time {
    color: rgba(255, 255, 255, 0.7);
}

/* Loading Screen */
.chat-loading {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100%;
    gap: 1rem;
}

.loading-spinner {
    width: 40px;
    height: 40px;
    border: 3px solid rgba(255, 255, 255, 0.1);
    border-top: 3px solid #10b981;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

/* Responsive Design */
@media (max-width: 768px) {
    .chat-main {
        flex-direction: column;
    }
    
    .chat-sidebar {
        width: 100%;
        height: 200px;
    }
    
    .sidebar-tabs {
        flex-wrap: wrap;
    }
    
    .sidebar-tab {
        min-width: 80px;
    }
}

@media (max-width: 640px) {
    .chat-integration-container {
        height: 60vh;
    }
    
    .chat-header {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }
    
    .input-group {
        flex-direction: column;
    }
    
    .message-content {
        max-width: 85%;
    }
}