: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);
  resize: vertical;
  min-height: 100px;
}

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;
}

/* Responsive form improvements */
@media (max-width: 576px) {
  .form-control {
    padding: var(--space-12) var(--space-16);
    font-size: var(--font-size-lg);
    min-height: 44px; /* Touch-friendly minimum */
  }
  
  textarea.form-control {
    min-height: 120px;
  }
  
  select.form-control {
    padding: var(--space-12) var(--space-16);
    background-position: right var(--space-16) center;
  }
}
  

/* 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 */
/* WhatsApp API Platform Styles */
:root {
  --whatsapp-green: #25D366;
  --whatsapp-green-dark: #1ea952;
  --whatsapp-green-light: #34e277;
  --whatsapp-dark: #075E54;
  --whatsapp-light: #DCF8C6;
}

/* Override design system primary colors with WhatsApp theme */
:root {
  --color-primary: var(--whatsapp-green);
  --color-primary-hover: var(--whatsapp-green-dark);
  --color-primary-active: var(--whatsapp-dark);
}

/* Base Styles */
body {
  font-family: var(--font-family-base);
  background: var(--color-background);
  color: var(--color-text);
}

/* Navigation */
.navbar {
  background: linear-gradient(135deg, var(--whatsapp-green) 0%, var(--whatsapp-dark) 100%);
  box-shadow: 0 2px 20px rgba(37, 211, 102, 0.1);
  padding: 1rem 0;
}

.navbar-brand {
  font-size: 1.5rem;
  font-weight: 700;
}

.navbar-nav .nav-link {
  color: rgba(255, 255, 255, 0.9) !important;
  font-weight: 500;
  margin: 0 0.5rem;
  transition: all 0.3s ease;
}

.navbar-nav .nav-link:hover {
  color: white !important;
  transform: translateY(-1px);
}

/* Hero Section */
.hero-section {
  background: linear-gradient(135deg, var(--whatsapp-green) 0%, var(--whatsapp-dark) 100%);
  color: white;
  position: relative;
  overflow: hidden;
  padding-top: 20px;

}

.hero-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="25" cy="25" r="1" fill="white" opacity="0.1"/><circle cx="75" cy="75" r="1" fill="white" opacity="0.1"/><circle cx="50" cy="10" r="0.5" fill="white" opacity="0.05"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');
  opacity: 0.1;
}

.hero-section .container {
  position: relative;
  z-index: 1;
}

/* Phone Mockup */
.hero-image {
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 2rem;
}

.phone-mockup {
  width: 300px;
  height: 600px;
  background: #333;
  border-radius: 30px;
  padding: 20px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
  position: relative;
}

.phone-mockup::before {
  content: '';
  position: absolute;
  top: 10px;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 6px;
  background: #666;
  border-radius: 3px;
}

.phone-screen {
  width: 100%;
  height: 100%;
  background: #e5ddd5;
  border-radius: 20px;
  overflow: hidden;
  position: relative;
}

.whatsapp-chat {
  padding: 20px;
  height: 100%;
  background: linear-gradient(to bottom, #e5ddd5 0%, #d1c7ac 100%);
}

.message {
  margin-bottom: 15px;
  display: flex;
  flex-direction: column;
}

.message.sent {
  align-items: flex-end;
}

.message.received {
  align-items: flex-start;
}

.message-content {
  max-width: 80%;
  padding: 8px 12px;
  border-radius: 8px;
  font-size: 14px;
  position: relative;
}

.message.sent .message-content {
  background: var(--whatsapp-light);
  color: #333;
}

.message.received .message-content {
  background: white;
  color: #333;
}

.message-time {
  font-size: 11px;
  color: #999;
  margin-top: 4px;
}

/* Phone mockup typing indicator */
.typing-dots {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.typing-dots span {
  width: 6px;
  height: 6px;
  background: var(--color-slate-500);
  border-radius: 50%;
  display: inline-block;
  animation: typing-bounce 1.2s infinite ease-in-out;
}

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

@keyframes typing-bounce {
  0%, 80%, 100% { transform: translateY(0); opacity: 0.4; }
  40% { transform: translateY(-4px); opacity: 1; }
}

/* Features Section */
.features-section {
  background: var(--color-surface);
  padding: 5rem 0;
}

.feature-card {
  padding: 2rem;
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-card-border);
  box-shadow: var(--shadow-sm);
  transition: all 0.3s ease;
  height: 100%;
}

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

.feature-icon {
  width: 70px;
  height: 70px;
  background: linear-gradient(135deg, var(--whatsapp-green), var(--whatsapp-green-light));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1.5rem;
  color: white;
  font-size: 1.5rem;
}

/* Pricing Cards */
.pricing-preview, .pricing-container {
  padding: 5rem 0;
  background: var(--color-background);

}

.pricing-card {
  background: var(--color-surface);
  border: 2px solid var(--color-card-border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  text-align: center;
  position: relative;
  transition: all 0.3s ease;
  height: 100%;
}

.pricing-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 20px 40px rgba(37, 211, 102, 0.1);
}

.pricing-card.popular {
  border-color: var(--whatsapp-green);
  transform: scale(1.05);
}

.popular-badge {
  position: absolute;
  top: -15px;
  left: 50%;
  transform: translateX(-50%);
  background: linear-gradient(135deg, var(--whatsapp-green), var(--whatsapp-green-light));
  color: white;
  padding: 0.5rem 1.5rem;
  border-radius: var(--radius-full);
  font-weight: 600;
  font-size: 0.9rem;
}

.pricing-header {
  margin-bottom: 2rem;
}

.pricing-header h4 {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 1rem;
}

.price {
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: 0.5rem;
}

.price .amount {
  font-size: 3rem;
  font-weight: 700;
  color: var(--whatsapp-green);
}

.price .period {
  color: var(--color-text-secondary);
  font-weight: 500;
}

.pricing-features {
  list-style: none;
  padding: 0;
  margin: 2rem 0;
}

.pricing-features li {
  padding: 0.5rem 0;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
}

.pricing-features .fa-check {
  color: var(--whatsapp-green);
}

/* Auth Pages */
/* Hide navbar and footer on auth pages */
#login-view ~ #main-navbar,
#register-view ~ #main-navbar,
#login-view ~ #main-footer,
#register-view ~ #main-footer {
  display: none !important;
}

.auth-container {
  min-height: 100vh;
  background: linear-gradient(135deg, var(--whatsapp-green) 0%, var(--whatsapp-dark) 100%);
  display: flex;
  align-items: center;
  padding: 100px 0;
  box-sizing: border-box;
  
}

.auth-card {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.1);
  padding: 2.5rem;
  width: 100%;
}

.auth-card .fab.fa-whatsapp {
  color: var(--whatsapp-green);
}

/* Dashboard */
.dashboard-container {
  margin-top: 80px;
  min-height: calc(100vh - 80px);
  padding-top: 20px;
  padding-bottom: 20px;
  background: linear-gradient(135deg, #f5f7fa 0%, #e8ecf1 100%);
}

.sidebar {
  background: linear-gradient(180deg, #ffffff 0%, #f8f9fa 100%);
  border-radius: 16px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.08);
  height: 100vh;
  position: sticky;
  top: 0;
  overflow: hidden;
  border: 1px solid rgba(37, 211, 102, 0.1);
}

.sidebar-header {
  padding: 2rem 1.5rem;
  background: linear-gradient(135deg, var(--whatsapp-green) 0%, var(--whatsapp-green-dark) 100%);
  color: white;
  border-bottom: none;
  position: relative;
  overflow: hidden;
}

.sidebar-header::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 200px;
  height: 200px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  animation: float 6s ease-in-out infinite;
}

@keyframes float {
  0%, 100% { transform: translate(0, 0) rotate(0deg); }
  50% { transform: translate(-20px, 20px) rotate(180deg); }
}

.sidebar-header h5 {
  margin: 0;
  font-weight: 700;
  font-size: 1.25rem;
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.sidebar-header h5 i {
  font-size: 1.5rem;
  animation: pulse 2s ease-in-out infinite;
}

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

.sidebar-nav {
  padding: 1rem 0.75rem;
  overflow-y: auto;
}

.sidebar-nav::-webkit-scrollbar {
  width: 6px;
}

.sidebar-nav::-webkit-scrollbar-track {
  background: transparent;
}

.sidebar-nav::-webkit-scrollbar-thumb {
  background: rgba(37, 211, 102, 0.3);
  border-radius: 3px;
}

.sidebar-nav::-webkit-scrollbar-thumb:hover {
  background: rgba(37, 211, 102, 0.5);
}

.sidebar-nav .nav-link {
  display: flex;
  align-items: center;
  padding: 4rem 4rem;
  margin: 0.5rem 0;
  font-size: 1.1rem;
  color: var(--color-text-secondary);
  text-decoration: none;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  border-radius: 12px;
  font-weight: 500;
  position: relative;
  overflow: hidden;
}

.sidebar-nav .nav-link::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  height: 100%;
  width: 4px;
  background: var(--whatsapp-green);
  transform: scaleY(0);
  transition: transform 0.3s ease;
}

.sidebar-nav .nav-link i {
  width: 24px;
  font-size: 1.1rem;
  transition: transform 0.3s ease;
}

.sidebar-nav .nav-link:hover {
  background: linear-gradient(135deg, rgba(37, 211, 102, 0.08) 0%, rgba(37, 211, 102, 0.12) 100%);
  color: var(--whatsapp-green);
  transform: translateX(4px);
}

.sidebar-nav .nav-link:hover i {
  transform: scale(1.15);
}

.sidebar-nav .nav-link.active {
  background: linear-gradient(135deg, rgba(37, 211, 102, 0.15) 0%, rgba(37, 211, 102, 0.25) 100%);
  color: var(--whatsapp-green);
  font-weight: 600;
  box-shadow: 0 4px 12px rgba(37, 211, 102, 0.2);
}

.sidebar-nav .nav-link.active::before {
  transform: scaleY(1);
}

.sidebar-nav .nav-link.active i {
  transform: scale(1.2);
}

.dashboard-content {
  padding: 2rem;
  background: white;
  border-radius: 16px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.08);
  min-height: calc(100vh - 140px);
  border: 1px solid rgba(0, 0, 0, 0.05);
}

/* Enhanced Dashboard Styles */
/* Loading states */
.dashboard-section.loading {
    position: relative;
}

.dashboard-section.loading::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255, 255, 255, 0.95);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10;
    backdrop-filter: blur(4px);
}

.dashboard-section.loading::before {
    content: 'Loading...';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 11;
    color: var(--whatsapp-green);
    font-weight: 600;
    font-size: 1.1rem;
    animation: pulse-text 1.5s ease-in-out infinite;
}

@keyframes pulse-text {
    0%, 100% { opacity: 0.6; }
    50% { opacity: 1; }
}

/* Loading placeholder animation */
.loading-placeholder {
    background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
    background-size: 200% 100%;
    animation: loading-shimmer 1.5s infinite;
    border-radius: 8px;
    display: inline-block;
    min-width: 60px;
    min-height: 20px;
}

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

/* Enhanced dashboard cards */
.stat-card {
    background: white;
    border-radius: 12px;
    padding: 1.5rem;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.08);
    border: 1px solid #e9ecef;
    transition: all 0.3s ease;
    height: 100%;
}

.stat-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.12);
}

.stat-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.stat-info h3 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: #2c3e50;
}

.stat-info p {
    color: #6c757d;
    font-weight: 500;
    margin-bottom: 0.25rem;
}

.stat-info small {
    color: #adb5bd;
    font-size: 0.875rem;
}

/* Session cards */
.session-card {
    transition: all 0.3s ease;
    border: 1px solid #e9ecef;
}

.session-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

/* Enhanced sidebar */
.sidebar {
    background: white;
    border-radius: 12px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.08);
    border: 1px solid #e9ecef;
    height: 100vh;
    position: sticky;
    top: 20px;
}



.sidebar-header h5 {
    margin: 0;
    font-weight: 600;
}

.sidebar-nav {
    padding: 1rem 0;
}

.sidebar-nav .nav-link {
    display: flex;
    align-items: center;
    padding: 0.75rem 1.5rem;
    color: #6c757d;
    text-decoration: none;
    transition: all 0.3s ease;
    border-left: 3px solid transparent;
}

.sidebar-nav .nav-link:hover {
    background-color: #f8f9fa;
    color: #495057;
    border-left-color: #dee2e6;
}

.sidebar-nav .nav-link.active {
    background-color: #e3f2fd;
    color: #1976d2;
    border-left-color: #1976d2;
    font-weight: 500;
}

.sidebar-nav .nav-link i {
    width: 20px;
    margin-right: 0.75rem;
    text-align: center;
}

/* Dashboard content */
.dashboard-content {
    background: white;
    border-radius: 12px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.08);
    border: 1px solid #e9ecef;
    min-height: 600px;
}

.dashboard-section {
    padding: 2rem;
}

/* Enhanced tables */
.table {
    margin-bottom: 0;
    border-collapse: separate;
    border-spacing: 0;
}

.table th {
    border-top: none;
    font-weight: 700;
    color: var(--color-text);
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    padding: 1rem 1.25rem;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border-bottom: 2px solid rgba(37, 211, 102, 0.2);
}

.table th:first-child {
    border-top-left-radius: 12px;
}

.table th:last-child {
    border-top-right-radius: 12px;
}

.table td {
    vertical-align: middle;
    padding: 1rem 1.25rem;
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

.table tbody tr {
    transition: all 0.3s ease;
}

.table tbody tr:hover {
    background: linear-gradient(135deg, rgba(37, 211, 102, 0.03) 0%, rgba(37, 211, 102, 0.06) 100%);
    transform: scale(1.01);
}

.table-responsive {
    border-radius: 12px;
    overflow: hidden;
}

/* Badge enhancements */
.badge {
    font-size: 0.75rem;
    font-weight: 500;
    padding: 0.375rem 0.75rem;
}

/* Button enhancements */
.btn {
    border-radius: 8px;
    font-weight: 500;
    transition: all 0.3s ease;
}

.btn:hover {
    transform: translateY(-1px);
}

/* Form enhancements */
.form-control {
    border-radius: 8px;
    border: 1px solid #dee2e6;
    transition: all 0.3s ease;
}

.form-control:focus {
    border-color: #80bdff;
    box-shadow: 0 0 0 0.2rem rgba(0, 123, 255, 0.25);
}

/* Card enhancements */
.card {
    border-radius: 4px;
    background-color: #e9ecef;
}

.progress-bar {
    border-radius: 4px;
    transition: width 0.6s ease;
}

/* Alert enhancements */
.alert {
    border-radius: 8px;
    border: none;
    font-weight: 500;
}

/* Responsive improvements */
@media (max-width: 768px) {
    .dashboard-container {
        padding: 10px;
    }
    
    .sidebar {
        margin-bottom: 1rem;
        position: static;
    }
    
    .dashboard-section {
        padding: 1rem;
    }
    
    .stat-card {
        margin-bottom: 1rem;
    }
}

/* Stats Cards */
.stat-card {
  background: linear-gradient(135deg, #ffffff 0%, #f8f9fa 100%);
  border: 1px solid rgba(0, 0, 0, 0.06);
  border-radius: 16px;
  padding: 1.75rem;
  display: flex;
  align-items: center;
  gap: 1.25rem;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
}

.stat-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, rgba(37, 211, 102, 0.03) 0%, rgba(37, 211, 102, 0.08) 100%);
  opacity: 0;
  transition: opacity 0.4s ease;
}

.stat-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 12px 40px rgba(37, 211, 102, 0.15);
  border-color: rgba(37, 211, 102, 0.3);
}

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

.stat-icon {
  width: 70px;
  height: 70px;
  border-radius: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.75rem;
  background: linear-gradient(135deg, rgba(37, 211, 102, 0.1) 0%, rgba(37, 211, 102, 0.2) 100%);
  position: relative;
  z-index: 1;
  transition: all 0.4s ease;
}

.stat-card:hover .stat-icon {
  transform: scale(1.1) rotate(5deg);
  background: linear-gradient(135deg, rgba(37, 211, 102, 0.2) 0%, rgba(37, 211, 102, 0.3) 100%);
}

.stat-icon.text-primary {
  background: linear-gradient(135deg, rgba(59, 130, 246, 0.1) 0%, rgba(59, 130, 246, 0.2) 100%);
  color: #3b82f6;
}

.stat-card:hover .stat-icon.text-primary {
  background: linear-gradient(135deg, rgba(59, 130, 246, 0.2) 0%, rgba(59, 130, 246, 0.3) 100%);
}

.stat-icon.text-success {
  background: linear-gradient(135deg, rgba(34, 197, 94, 0.1) 0%, rgba(34, 197, 94, 0.2) 100%);
  color: #22c55e;
}

.stat-card:hover .stat-icon.text-success {
  background: linear-gradient(135deg, rgba(34, 197, 94, 0.2) 0%, rgba(34, 197, 94, 0.3) 100%);
}

.stat-icon.text-warning {
  background: linear-gradient(135deg, rgba(245, 158, 11, 0.1) 0%, rgba(245, 158, 11, 0.2) 100%);
  color: #f59e0b;
}

.stat-card:hover .stat-icon.text-warning {
  background: linear-gradient(135deg, rgba(245, 158, 11, 0.2) 0%, rgba(245, 158, 11, 0.3) 100%);
}

.stat-icon.text-info {
  background: linear-gradient(135deg, rgba(147, 51, 234, 0.1) 0%, rgba(147, 51, 234, 0.2) 100%);
  color: #9333ea;
}

.stat-card:hover .stat-icon.text-info {
  background: linear-gradient(135deg, rgba(147, 51, 234, 0.2) 0%, rgba(147, 51, 234, 0.3) 100%);
}

.stat-info {
  position: relative;
  z-index: 1;
  flex: 1;
}

.stat-info h3 {
  margin: 0 0 0.25rem 0;
  font-size: 2.25rem;
  font-weight: 800;
  color: var(--color-text);
  line-height: 1;
  background: linear-gradient(135deg, var(--color-text) 0%, var(--color-text-secondary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.stat-info p {
  margin: 0.5rem 0 0.25rem 0;
  font-weight: 600;
  color: var(--color-text);
  font-size: 1rem;
}

.stat-info small {
  font-size: 0.8rem;
  color: var(--color-text-secondary);
  font-weight: 500;
}

/* Session Cards */
.session-card {
  border: 1px solid rgba(0, 0, 0, 0.06);
  border-radius: 16px;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  background: linear-gradient(135deg, #ffffff 0%, #fafbfc 100%);
  overflow: hidden;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.06);
}

.session-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 12px 32px rgba(37, 211, 102, 0.15);
  border-color: rgba(37, 211, 102, 0.3);
}

.session-card .card-header {
  background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
  font-weight: 600;
  border-bottom: 1px solid rgba(0, 0, 0, 0.06);
}

.session-card .badge {
  padding: 0.5rem 1rem;
  border-radius: 12px;
  font-weight: 600;
  font-size: 0.85rem;
}

/* API Documentation */
.docs-container {
  margin-top: 80px;
  padding: 100px 0;

}

.docs-sidebar {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  position: sticky;
  top: 68px;
  z-index: 999999;
  height: fit-content;
}

.docs-nav {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-top: 1rem;
}

.docs-nav a {
  color: var(--color-text-secondary);
  text-decoration: none;
  padding: 0.5rem 0.75rem;
  border-radius: var(--radius-sm);
  transition: all 0.3s ease;
}

.docs-nav a:hover {
  background: rgba(37, 211, 102, 0.1);
  color: var(--whatsapp-green);
}

.docs-content {
  padding-left: 2rem;
}

.docs-content h1 {
  color: var(--whatsapp-green);
  margin-bottom: 2rem;
}

.docs-content h2 {
  color: var(--color-text);
  margin: 3rem 0 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 2px solid var(--color-card-border);
}

.api-endpoint {
  background: var(--color-surface);
  padding: 1rem;
  border-radius: var(--radius-base);
  margin: 1rem 0;
  display: flex;
  align-items: center;
  gap: 1rem;
}

.method {
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.9rem;
  text-transform: uppercase;
}

.method.post {
  background: var(--whatsapp-green);
  color: white;
}

.method.get {
  background: #3b82f6;
  color: white;
}

.url {
  font-family: var(--font-family-mono);
  font-weight: 600;
}

/* Code Blocks */
pre {
  background: var(--color-surface) !important;
  border: 1px solid var(--color-card-border) !important;
  border-radius: var(--radius-base) !important;
  padding: 1.5rem !important;
  overflow-x: auto;
}

code {
  background: var(--color-secondary) !important;
  color: var(--color-text) !important;
  font-family: var(--font-family-mono) !important;
}

/* QR Code Modal */
.qr-code-placeholder {
  padding: 3rem;
  background: var(--color-bg-1);
  border-radius: var(--radius-lg);
  margin: 1rem 0;
}

/* Toast Notifications */
.toast {
  background: var(--color-surface);
  border: 1px solid var(--color-card-border);
}

/* Buttons Override */
.btn {
  border-radius: 12px;
  font-weight: 600;
  padding: 0.75rem 1.5rem;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
}

.btn::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.3);
  transform: translate(-50%, -50%);
  transition: width 0.6s, height 0.6s;
}

.btn:hover::before {
  width: 300px;
  height: 300px;
}

.btn-primary {
  background: linear-gradient(135deg, var(--whatsapp-green), var(--whatsapp-green-light));
  border: none;
  color: white;
  box-shadow: 0 4px 12px rgba(37, 211, 102, 0.3);
}

.btn-primary:hover {
  background: linear-gradient(135deg, var(--whatsapp-green-dark), var(--whatsapp-green));
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(37, 211, 102, 0.4);
}

.btn-outline-primary {
  border: 2px solid var(--whatsapp-green);
  color: var(--whatsapp-green);
  background: transparent;
}

.btn-outline-primary:hover {
  background: var(--whatsapp-green);
  color: white;
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(37, 211, 102, 0.3);
}

.btn-success {
  background: linear-gradient(135deg, #22c55e, #16a34a);
  border: none;
  color: white;
}

.btn-success:hover {
  background: linear-gradient(135deg, #16a34a, #15803d);
  transform: translateY(-2px);
}

.btn-danger {
  background: linear-gradient(135deg, #ef4444, #dc2626);
  border: none;
  color: white;
}

.btn-danger:hover {
  background: linear-gradient(135deg, #dc2626, #b91c1c);
  transform: translateY(-2px);
}

.btn-warning {
  background: linear-gradient(135deg, #f59e0b, #d97706);
  border: none;
  color: white;
}

.btn-warning:hover {
  background: linear-gradient(135deg, #d97706, #b45309);
  transform: translateY(-2px);
}

.btn-sm {
  padding: 0.5rem 1rem;
  font-size: 0.875rem;
  border-radius: 10px;
}

.btn-lg {
  padding: 1rem 2rem;
  font-size: 1.125rem;
  border-radius: 14px;
}

/* Form Controls */
.form-control,
.form-select {
  border-radius: 12px;
  border: 2px solid rgba(0, 0, 0, 0.1);
  padding: 0.75rem 1rem;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  background: linear-gradient(135deg, #ffffff 0%, #fafbfc 100%);
}

.form-control:focus,
.form-select:focus {
  border-color: var(--whatsapp-green);
  box-shadow: 0 0 0 4px rgba(37, 211, 102, 0.15);
  background: white;
  transform: translateY(-1px);
}

.form-control:hover,
.form-select:hover {
  border-color: rgba(37, 211, 102, 0.3);
}

.form-label {
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 0.5rem;
  font-size: 0.95rem;
}

textarea.form-control {
  min-height: 120px;
  resize: vertical;
}

/* Badges */
.badge {
  padding: 0.5rem 1rem;
  border-radius: 12px;
  font-weight: 600;
  font-size: 0.85rem;
  letter-spacing: 0.3px;
}

.badge.bg-success {
  background: linear-gradient(135deg, var(--whatsapp-green), var(--whatsapp-green-light)) !important;
  box-shadow: 0 2px 8px rgba(37, 211, 102, 0.3);
}

.badge.bg-primary {
  background: linear-gradient(135deg, #3b82f6, #2563eb) !important;
  box-shadow: 0 2px 8px rgba(59, 130, 246, 0.3);
}

.badge.bg-warning {
  background: linear-gradient(135deg, #f59e0b, #d97706) !important;
  box-shadow: 0 2px 8px rgba(245, 158, 11, 0.3);
}

.badge.bg-danger {
  background: linear-gradient(135deg, #ef4444, #dc2626) !important;
  box-shadow: 0 2px 8px rgba(239, 68, 68, 0.3);
}

.badge.bg-info {
  background: linear-gradient(135deg, #9333ea, #7e22ce) !important;
  box-shadow: 0 2px 8px rgba(147, 51, 234, 0.3);
}

.badge.bg-secondary {
  background: linear-gradient(135deg, #6b7280, #4b5563) !important;
  box-shadow: 0 2px 8px rgba(107, 114, 128, 0.3);
}

/* Cards */
.card {
  border: 1px solid rgba(0, 0, 0, 0.06);
  border-radius: 16px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  background: linear-gradient(135deg, #ffffff 0%, #fafbfc 100%);
  overflow: hidden;
}

.card:hover {
  box-shadow: 0 8px 32px rgba(37, 211, 102, 0.12);
  transform: translateY(-4px);
  border-color: rgba(37, 211, 102, 0.2);
}

.card-header {
  background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
  border-bottom: 1px solid rgba(0, 0, 0, 0.06);
  border-radius: 16px 16px 0 0;
  font-weight: 600;
  padding: 1.25rem 1.5rem;
}

.card-body {
  padding: 1.5rem;
}

.card-title {
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 1.25rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.card-title i {
  color: var(--whatsapp-green);
  font-size: 1.25rem;
}

/* Responsive Design */

/* Mobile First Approach - Base styles for mobile */
.container-fluid {
  padding-left: var(--space-16);
  padding-right: var(--space-16);
}

.docs-container {
  position: relative;
}

.docs-sidebar {
  background: var(--color-surface);
  border: 1px solid var(--color-card-border);
  border-radius: var(--radius-base);
  padding: var(--space-20);
  margin-bottom: var(--space-24);
}

.docs-sidebar h5 {
  margin-bottom: var(--space-16);
  color: var(--color-text);
  font-weight: var(--font-weight-semibold);
}

.docs-nav {
  display: flex;
  flex-direction: column;
  gap: var(--space-8);
}

.docs-nav a {
  padding: var(--space-8) var(--space-12);
  border-radius: var(--radius-sm);
  color: var(--color-text-secondary);
  text-decoration: none;
  transition: all var(--duration-fast) var(--ease-standard);
  font-size: var(--font-size-sm);
}

.docs-nav a:hover,
.docs-nav a.active {
  background: var(--color-secondary);
  color: var(--color-text);
}

.docs-content {
  padding: var(--space-20);
  background: var(--color-surface);
  border: 1px solid var(--color-card-border);
  border-radius: var(--radius-base);
}

/* Mobile styles (up to 576px) */
@media (max-width: 576px) {
  .container-fluid {
    padding-left: var(--space-12);
    padding-right: var(--space-12);
  }
  
  .hero-section .display-4 {
    font-size: 2rem;
  }
  
  .pricing-card {
    padding: 1.5rem;
    margin-bottom: var(--space-16);
  }
  
  .auth-card {
    padding: 1.5rem;
    margin: var(--space-16);
  }
  
  .feature-card {
    padding: 1.5rem;
    margin-bottom: var(--space-16);
  }
  
  .docs-sidebar {
    padding: var(--space-16);
    margin-bottom: var(--space-16);
  }
  
  .docs-content {
    padding: var(--space-16);
  }
  
  .docs-nav {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: var(--space-6);
  }
  
  .docs-nav a {
    padding: var(--space-6) var(--space-8);
    font-size: var(--font-size-xs);
    text-align: center;
  }
  
  .btn {
    padding: var(--space-10) var(--space-16);
    font-size: var(--font-size-sm);
  }
  
  .btn--sm {
    padding: var(--space-6) var(--space-10);
    font-size: var(--font-size-xs);
  }
  
  .form-control {
    padding: var(--space-10) var(--space-12);
    font-size: var(--font-size-base);
  }
  
  h1 { font-size: var(--font-size-3xl); }
  h2 { font-size: var(--font-size-2xl); }
  h3 { font-size: var(--font-size-xl); }
  h4 { font-size: var(--font-size-lg); }
}

/* Tablet styles (577px to 768px) */
@media (min-width: 577px) and (max-width: 768px) {
  .docs-sidebar {
    position: sticky;
    top: var(--space-20);
    height: fit-content;
  }
  
  .docs-nav {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-8);
  }
  
  .pricing-card.popular {
    transform: none;
    margin: 1rem 0;
  }
  
  .dashboard-content {
    padding: var(--space-20);
  }
}

/* Desktop styles (769px and up) */
@media (min-width: 769px) {
  .docs-container {
    display: flex;
    gap: var(--space-32);
    align-items: flex-start;
  }
  
  .docs-sidebar {
    position: sticky;
    top: var(--space-24);
    width: 280px;
    flex-shrink: 0;
    height: fit-content;
    max-height: calc(100vh - var(--space-32));
    overflow-y: auto;
  }
  
  .docs-content {
    flex: 1;
    min-width: 0;
  }
  
  .docs-nav {
    display: flex;
    flex-direction: column;
  }
}

/* Large desktop styles (1024px and up) */
@media (min-width: 1024px) {
  .container-fluid {
    padding-left: var(--space-24);
    padding-right: var(--space-24);
  }
  
  .docs-container {
    gap: var(--space-32);
  }
  
  .docs-sidebar {
    width: 320px;
  }
}

/* Extra large desktop styles (1280px and up) */
@media (min-width: 1280px) {
  .docs-container {
    max-width: 1400px;
    margin: 0 auto;
  }
  .docs-sidebar{
    top: 100px;
    
  }
}

/* Responsive Tables */
.table-responsive {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

@media (max-width: 768px) {
  .table-responsive {
    border: 1px solid var(--color-card-border);
    border-radius: var(--radius-base);
  }
  
  .table {
    margin-bottom: 0;
    font-size: var(--font-size-sm);
  }
  
  .table th,
  .table td {
    padding: var(--space-8);
    white-space: nowrap;
  }
}

/* Responsive Navigation */
.navbar-toggler {
  padding: var(--space-6) var(--space-8);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: transparent;
}

@media (max-width: 991px) {
  .navbar-collapse {

   
    border-radius: var(--radius-base);
    margin-top: var(--space-8);
    padding: var(--space-16);
  }
  
  .navbar-nav .nav-link {
    padding: var(--space-8) var(--space-12);
    border-bottom: 1px solid var(--color-card-border);
    border-radius: var(--radius-sm);
    margin-bottom: var(--space-4);
  }
  
  .navbar-nav .nav-link:hover {
    background: var(--color-secondary);
  }
}

/* Responsive Cards and Modals */
@media (max-width: 576px) {
  .card {
    margin-bottom: var(--space-16);
  }
  
  .modal-dialog {
    margin: var(--space-16);
  }
  
  .modal-content {
    border-radius: var(--radius-base);
  }
  
  .modal-header,
  .modal-body,
  .modal-footer {
    padding: var(--space-16);
  }
}

/* Responsive API Endpoint Styling */
.api-endpoint {
  display: flex;
  align-items: center;
  gap: var(--space-8);
  margin: var(--space-16) 0;
  padding: var(--space-12);
  background: var(--color-secondary);
  border-radius: var(--radius-base);
  border-left: 4px solid var(--color-primary);
}

.api-endpoint .method {
  padding: var(--space-4) var(--space-8);
  border-radius: var(--radius-sm);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-bold);
  text-transform: uppercase;
  color: white;
}

.api-endpoint .method.post {
  background: #28a745;
}

.api-endpoint .method.get {
  background: #007bff;
}

.api-endpoint .method.put {
  background: #ffc107;
  color: var(--color-text);
}

.api-endpoint .method.delete {
  background: #dc3545;
}

.api-endpoint .url {
  font-family: var(--font-family-mono);
  font-size: var(--font-size-sm);
  color: var(--color-text);
}

@media (max-width: 576px) {
  .api-endpoint {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-6);
    padding: var(--space-10);
  }
  
  .api-endpoint .url {
    font-size: var(--font-size-xs);
    word-break: break-all;
  }
}

/* Responsive Code Blocks */
pre {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

@media (max-width: 576px) {
  pre {
    padding: var(--space-12);
    font-size: var(--font-size-xs);
  }
  
  code {
    font-size: var(--font-size-xs);
  }
}

/* Responsive Alerts */
.alert {
  border-radius: var(--radius-base);
  border: 1px solid transparent;
}

@media (max-width: 576px) {
  .alert {
    padding: var(--space-12);
    font-size: var(--font-size-sm);
  }
  
  .alert .btn {
    margin-top: var(--space-8);
    width: 100%;
  }
}

/* Touch-friendly improvements */
@media (hover: none) and (pointer: coarse) {
  .btn {
    min-height: 44px;
    padding: var(--space-12) var(--space-20);
  }
  
  .docs-nav a {
    min-height: 44px;
    display: flex;
    align-items: center;
  }
  
  .form-control {
    min-height: 44px;
  }
}

/* Legacy responsive styles for existing components */
@media (max-width: 768px) {
  .hero-section {
    text-align: center;
  }
  
  .phone-mockup {
    width: 250px;
    height: 500px;
  }
  
  .sidebar {
    position: relative;
    height: auto;
  }

/* Landing Page Professional Styling */
.security-icon, .resource-icon {
  transition: transform 0.3s ease;
}

.security-icon:hover, .resource-icon:hover {
  transform: translateY(-5px);
}

.performance-metric {
  transition: transform 0.3s ease;
  padding: 1.5rem;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.8);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.performance-metric:hover {
  transform: translateY(-3px);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
}

/* Professional color scheme */
.text-professional-blue {
  color: #3498db !important;
}

.text-professional-green {
  color: #27ae60 !important;
}

.text-professional-orange {
  color: #f39c12 !important;
}

.text-professional-purple {
  color: #9b59b6 !important;
}

.bg-professional-dark {
  background: linear-gradient(135deg, #2c3e50 0%, #34495e 100%) !important;
}

.bg-professional-light {
  background: #f8f9fa !important;
}

/* Enhanced button styling */
.btn-outline-light:hover {
  background-color: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.3);
  transform: translateY(-2px);
  transition: all 0.3s ease;
}

/* Section spacing improvements */
.landing-section {
  padding: 5rem 0;
}

.landing-section h2 {
  font-weight: 700;
  letter-spacing: -0.02em;
}

.landing-section .lead {
  font-size: 1.2rem;
  line-height: 1.6;
}
}

/* Animation for page transitions */
.view {
  opacity: 1;
  transition: opacity 0.3s ease-in-out;
  display: block;
}

.view.active {
  opacity: 1;
  display: block;
}

/* Loading states */
.loading {
  pointer-events: none;
  opacity: 0.6;
}

.loading::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 20px;
  height: 20px;
  margin: -10px 0 0 -10px;
  border: 2px solid var(--whatsapp-green);
  border-radius: 50%;
  border-right-color: transparent;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

/* Dark mode adjustments */
@media (prefers-color-scheme: dark) {
  .phone-screen {
    background: #2a2a2a;
  }
  
  .whatsapp-chat {
    background: linear-gradient(to bottom, #2a2a2a 0%, #1e1e1e 100%);
  }
  
  .message.sent .message-content {
    background: var(--whatsapp-green);
    color: white;
  }
  
  .message.received .message-content {
    background: #3a3a3a;
    color: #e0e0e0;
  }
  .typing-dots span {
    background: #cfcfcf;
  }
}

/* Utility classes */
.text-whatsapp {
  color: var(--whatsapp-green) !important;
}

.bg-whatsapp {
  background-color: var(--whatsapp-green) !important;
}

.border-whatsapp {
  border-color: var(--whatsapp-green) !important;
}

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

::-webkit-scrollbar-track {
  background: var(--color-bg-1);
}

::-webkit-scrollbar-thumb {
  background: var(--whatsapp-green);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--whatsapp-green-dark);
}

/* Footer */
footer {
  background: var(--color-surface);
  border-top: 1px solid var(--color-card-border);
}

footer .navbar-brand {
  color: var(--color-text);
}

footer .navbar-brand:hover {
  color: var(--whatsapp-green);
}

footer .nav-link {
  color: var(--color-text-secondary) !important;
}

footer .nav-link:hover {
  color: var(--whatsapp-green) !important;
}

footer .fa-lg {
  color: var(--color-text-secondary);
  transition: transform var(--duration-normal) var(--ease-standard),
              color var(--duration-normal) var(--ease-standard);
}

footer a:hover .fa-lg {
  color: var(--whatsapp-green);
  transform: translateY(-2px);
}

/* Form validation styles */
.invalid-feedback {
  display: none !important;
  color: var(--color-error);
  font-size: var(--font-size-sm);
  margin-top: 0.25rem;
}

.form-control.is-invalid ~ .invalid-feedback,
.form-check-input.is-invalid ~ .invalid-feedback {
  display: block !important;
}

.form-control.is-invalid {
  border-color: var(--color-error);
  box-shadow: 0 0 0 0.2rem rgba(var(--color-error-rgb), 0.25);
}

.form-control.is-valid {
  border-color: var(--color-success);
  box-shadow: 0 0 0 0.2rem rgba(var(--color-success-rgb), 0.25);
}

.form-check-input.is-invalid {
  border-color: var(--color-error);
}

.form-check-input.is-valid {
  border-color: var(--color-success);
}

/* QR Code Modal Styles */
.qr-code-wrapper {
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 1rem;
  background: #f8f9fa;
  border-radius: 0.5rem;
  margin: 1rem 0;
}

.qr-code-wrapper img {
  max-width: 300px;
  max-height: 300px;
  border: 2px solid #dee2e6;
  border-radius: 0.5rem;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

#qrCodeModal .modal-body {
  padding: 2rem;
}

#qrCodeModal .modal-header {
  background: linear-gradient(135deg, #25D366, #128C7E);
  color: white;
  border-bottom: none;
}

#qrCodeModal .modal-header .btn-close {
  filter: invert(1);
}

#qrCodeModal .modal-footer {
  border-top: 1px solid #dee2e6;
  background: #f8f9fa;
}

@media (max-width: 768px) {
  .qr-code-wrapper img {
    max-width: 250px;
    max-height: 250px;
  }
  
  #qrCodeModal .modal-body {
    padding: 1rem;
  }
}