: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 */
/* RehabConnect - Professional Rehabilitation Platform Styles */

/* Rehabilitation Color Palette Override */
:root {
  /* Primary Rehabilitation Colors */
  --rehab-primary: #218085; /* Therapeutic Teal */
  --rehab-primary-hover: #1D6B70;
  --rehab-primary-light: #E0F2F1;
  --rehab-secondary: #4CAF50; /* Recovery Green */
  --rehab-secondary-hover: #45A049;
  --rehab-secondary-light: #E8F5E8;
  --rehab-accent: #FF9800; /* Progress Orange */
  --rehab-accent-hover: #F57C00;
  --rehab-accent-light: #FFF3E0;
  
  /* Rehabilitation Status Colors */
  --rehab-success: #4CAF50;
  --rehab-warning: #FF9800;
  --rehab-error: #F44336;
  --rehab-info: #2196F3;
  
  /* Neutral Colors */
  --rehab-white: #FFFFFF;
  --rehab-gray-50: #FAFAFA;
  --rehab-gray-100: #F5F5F5;
  --rehab-gray-200: #EEEEEE;
  --rehab-gray-300: #E0E0E0;
  --rehab-gray-400: #BDBDBD;
  --rehab-gray-500: #9E9E9E;
  --rehab-gray-600: #757575;
  --rehab-gray-700: #616161;
  --rehab-gray-800: #424242;
  --rehab-gray-900: #212121;
  
  /* Override design system colors */
  --color-primary: var(--rehab-primary);
  --color-primary-hover: var(--rehab-primary-hover);
  --color-primary-active: var(--rehab-primary-hover);
  --color-secondary: var(--rehab-secondary-light);
  --color-secondary-hover: var(--rehab-secondary);
  --color-success: var(--rehab-success);
  --color-warning: var(--rehab-warning);
  --color-error: var(--rehab-error);
  --color-info: var(--rehab-info);
  
  --color-background: var(--rehab-white);
  --color-surface: var(--rehab-gray-50);
  --color-text: var(--rehab-gray-900);
  --color-text-secondary: var(--rehab-gray-600);
  --color-border: var(--rehab-gray-300);
  --color-card-border: var(--rehab-gray-200);
  --color-btn-primary-text: var(--rehab-white);
  
  /* Gamification Colors */
  --gamification-gold: #FFD700;
  --gamification-silver: #C0C0C0;
  --gamification-bronze: #CD7F32;
  --level-colors: linear-gradient(135deg, #218085, #4CAF50);
  
  /* Rehabilitation Shadows */
  --rehab-shadow-sm: 0 2px 4px rgba(33, 128, 133, 0.1);
  --rehab-shadow-md: 0 4px 12px rgba(33, 128, 133, 0.15);
  --rehab-shadow-lg: 0 8px 24px rgba(33, 128, 133, 0.2);
}

/* Loading Screen */
.loading-screen {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, var(--rehab-primary), var(--rehab-secondary));
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  color: var(--rehab-white);
}

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

.loading-logo {
  font-size: 4rem;
  margin-bottom: 1rem;
  animation: bounce 2s infinite;
}

.loading-text {
  font-size: 2rem;
  font-weight: var(--font-weight-bold);
  margin-bottom: 1rem;
}

.loading-status {
  font-size: var(--font-size-base);
  opacity: 0.9;
  margin-bottom: 2rem;
}

.loading-spinner {
  width: 40px;
  height: 40px;
  border: 4px solid rgba(255, 255, 255, 0.3);
  border-top: 4px solid var(--rehab-white);
  border-radius: 50%;
  animation: spin 1s linear infinite;
  margin: 0 auto;
}

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

@keyframes bounce {
  0%, 20%, 50%, 80%, 100% { transform: translateY(0); }
  40% { transform: translateY(-10px); }
  60% { transform: translateY(-5px); }
}

/* Modal System */
.modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 1;
  visibility: visible;
  transition: all 0.3s ease;
}

.modal.hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.modal-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(5px);
}

.modal-content {
  background: var(--rehab-white);
  border-radius: var(--radius-lg);
  padding: 2rem;
  max-width: 500px;
  width: 90%;
  max-height: 90vh;
  overflow-y: auto;
  position: relative;
  box-shadow: var(--rehab-shadow-lg);
  border: 1px solid var(--rehab-gray-200);
  transform: scale(1);
  transition: transform 0.3s ease;
}

.modal.hidden .modal-content {
  transform: scale(0.9);
}

.modal-close {
  position: absolute;
  top: 1rem;
  right: 1rem;
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--rehab-gray-500);
  z-index: 1;
}

/* Authentication System */
.auth-container {
  text-align: center;
}

.auth-header h2 {
  color: var(--rehab-primary);
  margin-bottom: 0.5rem;
}

.auth-header p {
  color: var(--rehab-gray-600);
  margin-bottom: 2rem;
}

.auth-tabs {
  display: flex;
  margin-bottom: 2rem;
  border-radius: var(--radius-base);
  background: var(--rehab-gray-100);
  padding: 4px;
}

.auth-tab {
  flex: 1;
  padding: 0.75rem;
  border: none;
  background: none;
  cursor: pointer;
  border-radius: var(--radius-sm);
  transition: all 0.2s ease;
  font-weight: var(--font-weight-medium);
  color: var(--rehab-gray-600);
}

.auth-tab.active {
  background: var(--rehab-primary);
  color: var(--rehab-white);
}

.role-selector {
  margin-bottom: 2rem;
}

.role-buttons {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-top: 1rem;
}

.role-btn {
  padding: 1.5rem 1rem;
  border: 2px solid var(--rehab-gray-300);
  border-radius: var(--radius-lg);
  background: var(--rehab-white);
  cursor: pointer;
  transition: all 0.2s ease;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  text-align: center;
}

.role-btn:hover {
  border-color: var(--rehab-primary);
  transform: translateY(-2px);
  box-shadow: var(--rehab-shadow-sm);
}

.role-btn.selected {
  border-color: var(--rehab-primary);
  background: var(--rehab-primary-light);
}

.role-icon {
  font-size: 2rem;
}

.role-text {
  font-weight: var(--font-weight-semibold);
  color: var(--rehab-gray-900);
}

.role-btn small {
  color: var(--rehab-gray-600);
}

.auth-divider {
  text-align: center;
  margin: 1.5rem 0;
  position: relative;
}

.auth-divider::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 0;
  right: 0;
  height: 1px;
  background: var(--rehab-gray-300);
}

.auth-divider span {
  background: var(--rehab-white);
  padding: 0 1rem;
  color: var(--rehab-gray-500);
}

/* Onboarding System */
.onboarding-content {
  max-width: 700px;
  text-align: center;
}

.onboarding-progress {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 2rem;
}

.progress-bar {
  flex: 1;
  height: 8px;
  background: var(--rehab-gray-200);
  border-radius: 4px;
  overflow: hidden;
  margin-right: 1rem;
}

.progress-fill {
  height: 100%;
  background: var(--rehab-primary);
  border-radius: 4px;
  transition: width 0.3s ease;
}

.onboarding-step {
  display: none;
  padding: 2rem 0;
}

.onboarding-step.active {
  display: block;
  animation: fadeInUp 0.3s ease;
}

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

.pain-scale {
  display: flex;
  justify-content: space-between;
  margin: 1rem 0;
  gap: 0.25rem;
  flex-wrap: wrap;
}

.pain-btn {
  width: 40px;
  height: 40px;
  border: 2px solid var(--rehab-gray-300);
  border-radius: 50%;
  background: var(--rehab-white);
  cursor: pointer;
  font-weight: var(--font-weight-semibold);
  transition: all 0.2s ease;
  color: var(--rehab-gray-700);
}

.pain-btn:hover {
  border-color: var(--rehab-primary);
  transform: scale(1.1);
}

.pain-btn.selected {
  border-color: var(--rehab-primary);
  background: var(--rehab-primary);
  color: var(--rehab-white);
  transform: scale(1.1);
}

.pain-labels {
  display: flex;
  justify-content: space-between;
  font-size: var(--font-size-sm);
  color: var(--rehab-gray-600);
  margin-top: 0.5rem;
}

.activity-options {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1rem;
  margin: 2rem 0;
}

.activity-card {
  padding: 1.5rem;
  border: 2px solid var(--rehab-gray-300);
  border-radius: var(--radius-lg);
  background: var(--rehab-white);
  cursor: pointer;
  transition: all 0.2s ease;
  text-align: center;
}

.activity-card:hover {
  border-color: var(--rehab-primary);
  transform: translateY(-2px);
  box-shadow: var(--rehab-shadow-sm);
}

.activity-card.selected {
  border-color: var(--rehab-primary);
  background: var(--rehab-primary-light);
}

.goals-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 1rem;
  margin: 2rem 0;
}

.goal-card {
  padding: 1rem;
  border: 2px solid var(--rehab-gray-300);
  border-radius: var(--radius-lg);
  background: var(--rehab-white);
  cursor: pointer;
  transition: all 0.2s ease;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
}

.goal-card:hover {
  border-color: var(--rehab-primary);
  transform: translateY(-2px);
}

.goal-card.selected {
  border-color: var(--rehab-primary);
  background: var(--rehab-primary-light);
}

.goal-icon {
  font-size: 2rem;
}

.completion-summary {
  background: var(--rehab-primary-light);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  margin: 2rem 0;
}

.summary-item {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1rem;
  font-weight: var(--font-weight-medium);
}

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

.welcome-features {
  text-align: left;
  background: var(--rehab-white);
  border: 1px solid var(--rehab-gray-200);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  margin-top: 2rem;
}

.welcome-features ul {
  list-style: none;
  padding: 0;
  margin: 1rem 0 0 0;
}

.welcome-features li {
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--rehab-gray-100);
}

.welcome-features li:last-child {
  border-bottom: none;
}

.onboarding-navigation {
  display: flex;
  justify-content: space-between;
  margin-top: 2rem;
  gap: 1rem;
}

/* App Container */
.app-container {
  display: grid;
  grid-template-areas: 
      "header header"
      "sidebar main";
  grid-template-rows: 70px 1fr;
  grid-template-columns: 280px 1fr;
  min-height: 100vh;
  background: var(--rehab-gray-50);
}

.app-container.hidden {
  opacity: 0;
  visibility: hidden;
}

/* Header */
.app-header {
  grid-area: header;
  background: var(--rehab-white);
  border-bottom: 1px solid var(--rehab-gray-200);
  box-shadow: var(--rehab-shadow-sm);
}

.header-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 100%;
  padding: 0 1.5rem;
}

.header-left {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.menu-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--rehab-gray-600);
}

.app-logo {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  color: var(--rehab-primary);
  margin: 0;
}

.connection-status {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: var(--font-size-sm);
  color: var(--rehab-gray-600);
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--rehab-success);
}

.status-dot.offline {
  background: var(--rehab-error);
}

.header-right {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.notification-btn {
  position: relative;
  background: none;
  border: none;
  font-size: 1.2rem;
  cursor: pointer;
  color: var(--rehab-gray-600);
  padding: 0.5rem;
  border-radius: var(--radius-base);
  transition: all 0.2s ease;
}

.notification-btn:hover {
  background: var(--rehab-gray-100);
}

.notification-badge {
  position: absolute;
  top: 0;
  right: 0;
  background: var(--rehab-error);
  color: var(--rehab-white);
  font-size: 0.75rem;
  padding: 0.25rem 0.5rem;
  border-radius: var(--radius-full);
  min-width: 1.5rem;
  text-align: center;
}

.user-menu {
  position: relative;
}

.user-avatar {
  background: none;
  border: none;
  cursor: pointer;
  border-radius: 50%;
  overflow: hidden;
  width: 40px;
  height: 40px;
}

.user-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.user-dropdown {
  position: absolute;
  top: 100%;
  right: 0;
  background: var(--rehab-white);
  border: 1px solid var(--rehab-gray-200);
  border-radius: var(--radius-lg);
  box-shadow: var(--rehab-shadow-md);
  min-width: 200px;
  z-index: 100;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-10px);
  transition: all 0.2s ease;
}

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

.dropdown-header {
  padding: 1rem;
  border-bottom: 1px solid var(--rehab-gray-200);
}

.dropdown-header strong {
  display: block;
  color: var(--rehab-gray-900);
}

.dropdown-header span {
  font-size: var(--font-size-sm);
  color: var(--rehab-gray-600);
}

.dropdown-item {
  width: 100%;
  padding: 0.75rem 1rem;
  background: none;
  border: none;
  text-align: left;
  cursor: pointer;
  transition: background 0.2s ease;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.dropdown-item:hover {
  background: var(--rehab-gray-100);
}

.dropdown-item.logout {
  color: var(--rehab-error);
}

.dropdown-divider {
  height: 1px;
  background: var(--rehab-gray-200);
}

/* Sidebar */
.sidebar {
  grid-area: sidebar;
  background: var(--rehab-white);
  border-right: 1px solid var(--rehab-gray-200);
  padding: 1rem 0;
  overflow-y: auto;
}

.user-info {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1rem 1.5rem;
  margin-bottom: 1rem;
  border-bottom: 1px solid var(--rehab-gray-200);
}

.user-info-avatar {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  object-fit: cover;
}

.user-info-name {
  font-weight: var(--font-weight-semibold);
  color: var(--rehab-gray-900);
}

.user-info-level {
  font-size: var(--font-size-sm);
  color: var(--rehab-gray-600);
}

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

.nav-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem 1.5rem;
  color: var(--rehab-gray-600);
  text-decoration: none;
  transition: all 0.2s ease;
  border-left: 3px solid transparent;
}

.nav-item:hover {
  background: var(--rehab-gray-100);
  color: var(--rehab-gray-900);
}

.nav-item.active {
  background: var(--rehab-primary-light);
  color: var(--rehab-primary);
  border-left-color: var(--rehab-primary);
  font-weight: var(--font-weight-medium);
}

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

/* Main Content */
.main-content {
  grid-area: main;
  padding: 2rem;
  overflow-y: auto;
  background: var(--rehab-gray-50);
}

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

.page-header h1 {
  color: var(--rehab-gray-900);
  margin-bottom: 0.5rem;
}

.page-header p {
  color: var(--rehab-gray-600);
  margin: 0;
}

.view {
  display: none;
}

.view.active {
  display: block;
  animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

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

.stat-card {
  background: var(--rehab-white);
  border: 1px solid var(--rehab-gray-200);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  display: flex;
  align-items: center;
  gap: 1rem;
  transition: all 0.2s ease;
  box-shadow: var(--rehab-shadow-sm);
  position: relative;
  overflow: hidden;
}

.stat-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--rehab-shadow-md);
}

.stat-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
}

.stat-card.streak::before { background: var(--rehab-warning); }
.stat-card.points::before { background: var(--gamification-gold); }
.stat-card.level::before { background: var(--rehab-primary); }
.stat-card.adherence::before { background: var(--rehab-success); }

.stat-icon {
  font-size: 2.5rem;
  width: 60px;
  height: 60px;
  background: var(--rehab-gray-100);
  border-radius: var(--radius-base);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.stat-info h3 {
  margin: 0 0 0.25rem 0;
  font-size: var(--font-size-2xl);
  color: var(--rehab-primary);
  font-weight: var(--font-weight-bold);
}

.stat-info p {
  margin: 0 0 0.5rem 0;
  color: var(--rehab-gray-600);
  font-size: var(--font-size-sm);
}

.stat-progress {
  margin-top: 0.5rem;
}

.stat-progress .progress-bar {
  height: 4px;
  margin-bottom: 0.25rem;
}

.stat-progress small {
  font-size: var(--font-size-xs);
  color: var(--rehab-gray-500);
}

.stat-trend {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
}

.stat-trend.positive {
  color: var(--rehab-success);
}

.trend-indicator {
  font-weight: var(--font-weight-bold);
}

.trend-indicator.up {
  color: var(--rehab-success);
}

/* Dashboard Grid */
.dashboard-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 2rem;
}

.dashboard-section {
  background: var(--rehab-white);
  border: 1px solid var(--rehab-gray-200);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  box-shadow: var(--rehab-shadow-sm);
}

.dashboard-section h2 {
  margin: 0 0 1rem 0;
  color: var(--rehab-gray-900);
  font-size: var(--font-size-lg);
}

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

.exercise-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem;
  background: var(--rehab-gray-50);
  border-radius: var(--radius-base);
  border: 1px solid var(--rehab-gray-200);
}

.exercise-info h4 {
  margin: 0 0 0.25rem 0;
  color: var(--rehab-gray-900);
}

.exercise-info p {
  margin: 0;
  font-size: var(--font-size-sm);
  color: var(--rehab-gray-600);
}

.exercise-status {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.status-badge {
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius-full);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-medium);
}

.status-badge.pending {
  background: var(--rehab-warning);
  color: var(--rehab-white);
}

.status-badge.completed {
  background: var(--rehab-success);
  color: var(--rehab-white);
}

/* Charts */
.progress-chart-container {
  position: relative;
  height: 200px;
}

/* Exercises View */
.exercises-filters {
  display: flex;
  gap: 1rem;
  margin-bottom: 2rem;
  flex-wrap: wrap;
}

.exercises-filters .form-control {
  min-width: 150px;
}

.exercises-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 1.5rem;
}

.exercise-card {
  background: var(--rehab-white);
  border: 1px solid var(--rehab-gray-200);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  transition: all 0.2s ease;
  cursor: pointer;
  box-shadow: var(--rehab-shadow-sm);
}

.exercise-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--rehab-shadow-md);
}

.exercise-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 1rem;
}

.exercise-category {
  background: var(--rehab-primary);
  color: var(--rehab-white);
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius-full);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-medium);
}

.exercise-points {
  color: var(--gamification-gold);
  font-weight: var(--font-weight-semibold);
}

.exercise-title {
  margin: 0 0 1rem 0;
  color: var(--rehab-gray-900);
}

.exercise-meta {
  display: flex;
  gap: 1rem;
  margin-bottom: 1rem;
  font-size: var(--font-size-sm);
  color: var(--rehab-gray-600);
}

.exercise-description {
  color: var(--rehab-gray-700);
  margin-bottom: 1rem;
  line-height: 1.5;
}

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

/* Progress View */
.progress-overview {
  margin-bottom: 2rem;
}

.progress-metrics {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1.5rem;
}

.metric-card {
  background: var(--rehab-white);
  border: 1px solid var(--rehab-gray-200);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  text-align: center;
  box-shadow: var(--rehab-shadow-sm);
}

.metric-card h3 {
  margin: 0 0 1rem 0;
  color: var(--rehab-gray-700);
  font-size: var(--font-size-base);
}

.metric-value {
  font-size: 2.5rem;
  font-weight: var(--font-weight-bold);
  color: var(--rehab-primary);
  margin-bottom: 0.5rem;
}

.metric-change {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
}

.metric-change.positive {
  color: var(--rehab-success);
}

.metric-bar {
  margin-top: 1rem;
  height: 8px;
  background: var(--rehab-gray-200);
  border-radius: 4px;
  overflow: hidden;
}

.bar-fill {
  height: 100%;
  background: var(--rehab-primary);
  border-radius: 4px;
  transition: width 0.3s ease;
}

.progress-charts {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
}

.chart-section {
  background: var(--rehab-white);
  border: 1px solid var(--rehab-gray-200);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  box-shadow: var(--rehab-shadow-sm);
}

/* Achievements */
.achievement-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  margin-bottom: 2rem;
}

.achievement-stat {
  background: var(--rehab-white);
  border: 1px solid var(--rehab-gray-200);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  text-align: center;
  box-shadow: var(--rehab-shadow-sm);
}

.achievement-stat h3 {
  margin: 0 0 0.5rem 0;
  font-size: var(--font-size-2xl);
  color: var(--rehab-primary);
}

.achievements-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1.5rem;
}

.achievement-card {
  background: var(--rehab-white);
  border: 1px solid var(--rehab-gray-200);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  text-align: center;
  box-shadow: var(--rehab-shadow-sm);
  transition: all 0.2s ease;
}

.achievement-card.earned {
  border-color: var(--gamification-gold);
  background: linear-gradient(135deg, #FFF9C4, #FFFFFF);
}

.achievement-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--rehab-shadow-md);
}

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

.achievement-name {
  font-weight: var(--font-weight-semibold);
  color: var(--rehab-gray-900);
  margin-bottom: 0.5rem;
}

.achievement-description {
  color: var(--rehab-gray-600);
  font-size: var(--font-size-sm);
  margin-bottom: 1rem;
}

.achievement-progress {
  background: var(--rehab-gray-200);
  height: 6px;
  border-radius: 3px;
  overflow: hidden;
  margin-bottom: 0.5rem;
}

.achievement-progress .progress-fill {
  height: 100%;
  background: var(--rehab-primary);
}

.achievement-points {
  color: var(--gamification-gold);
  font-weight: var(--font-weight-semibold);
  font-size: var(--font-size-sm);
}

/* Therapist Card */
.therapist-card {
  background: var(--rehab-white);
  border: 1px solid var(--rehab-gray-200);
  border-radius: var(--radius-lg);
  padding: 2rem;
  box-shadow: var(--rehab-shadow-sm);
  margin-bottom: 2rem;
}

.therapist-info {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  margin-bottom: 2rem;
}

.therapist-avatar {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  object-fit: cover;
}

.therapist-details h2 {
  margin: 0 0 0.5rem 0;
  color: var(--rehab-gray-900);
}

.therapist-title {
  color: var(--rehab-gray-600);
  margin: 0 0 0.5rem 0;
}

.therapist-credentials {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 0.5rem;
}

.credential {
  background: var(--rehab-primary-light);
  color: var(--rehab-primary);
  padding: 0.25rem 0.5rem;
  border-radius: var(--radius-sm);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-medium);
}

.therapist-rating {
  color: var(--gamification-gold);
  font-weight: var(--font-weight-semibold);
}

.therapist-specializations {
  margin-bottom: 2rem;
}

.spec-tags {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin-top: 0.5rem;
}

.spec-tag {
  background: var(--rehab-secondary-light);
  color: var(--rehab-secondary-hover);
  padding: 0.5rem 1rem;
  border-radius: var(--radius-full);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
}

.therapist-actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

/* Appointments */
.upcoming-appointments {
  background: var(--rehab-white);
  border: 1px solid var(--rehab-gray-200);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  box-shadow: var(--rehab-shadow-sm);
}

.appointment-card {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem;
  background: var(--rehab-gray-50);
  border-radius: var(--radius-base);
  border: 1px solid var(--rehab-gray-200);
}

.appointment-info {
  display: flex;
  gap: 1rem;
  align-items: center;
}

.appointment-date {
  text-align: center;
  min-width: 60px;
}

.appointment-date .date {
  display: block;
  font-weight: var(--font-weight-bold);
  color: var(--rehab-primary);
}

.appointment-date .time {
  display: block;
  font-size: var(--font-size-sm);
  color: var(--rehab-gray-600);
}

.appointment-details strong {
  display: block;
  color: var(--rehab-gray-900);
  margin-bottom: 0.25rem;
}

.appointment-details p {
  margin: 0;
  font-size: var(--font-size-sm);
  color: var(--rehab-gray-600);
}

/* Motion Tracking Modal */
.motion-setup {
  text-align: center;
}

.camera-preview {
  background: var(--rehab-gray-100);
  border: 2px dashed var(--rehab-gray-300);
  border-radius: var(--radius-lg);
  padding: 3rem;
  margin: 2rem 0;
}

.camera-placeholder {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
}

.camera-icon {
  font-size: 3rem;
  color: var(--rehab-gray-400);
}

.tracking-features {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  margin: 2rem 0;
}

.feature-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  padding: 1rem;
  background: var(--rehab-gray-50);
  border-radius: var(--radius-base);
}

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

/* Exercise Session Modal */
.exercise-modal {
  max-width: 900px;
}

.session-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 2rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--rehab-gray-200);
}

.session-stats {
  display: flex;
  gap: 1rem;
  font-size: var(--font-size-sm);
  color: var(--rehab-gray-600);
}

.session-content {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 2rem;
}

.video-container {
  position: relative;
}

.exercise-video {
  background: var(--rehab-gray-900);
  border-radius: var(--radius-lg);
  aspect-ratio: 16/9;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--rehab-white);
  position: relative;
  overflow: hidden;
}

.video-placeholder {
  font-size: var(--font-size-lg);
}

.motion-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}

.feedback-text {
  background: rgba(33, 128, 133, 0.9);
  color: var(--rehab-white);
  padding: 0.5rem 1rem;
  border-radius: var(--radius-base);
  font-weight: var(--font-weight-semibold);
}

.session-metrics {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.metric-card {
  background: var(--rehab-white);
  border: 1px solid var(--rehab-gray-200);
  border-radius: var(--radius-base);
  padding: 1rem;
  text-align: center;
}

.metric-card h4 {
  margin: 0 0 0.5rem 0;
  font-size: var(--font-size-sm);
  color: var(--rehab-gray-600);
}

.metric-value {
  font-size: 2rem;
  font-weight: var(--font-weight-bold);
  color: var(--rehab-primary);
  line-height: 1;
}

.metric-target,
.metric-unit {
  font-size: var(--font-size-sm);
  color: var(--rehab-gray-500);
}

.session-controls {
  grid-column: 1 / -1;
  display: flex;
  justify-content: center;
  gap: 1rem;
  margin-top: 2rem;
}

.live-feedback {
  grid-column: 1 / -1;
  background: var(--rehab-gray-50);
  border-radius: var(--radius-lg);
  padding: 1rem;
  margin-top: 1rem;
  min-height: 100px;
}

.feedback-messages {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.feedback-message {
  padding: 0.5rem 1rem;
  border-radius: var(--radius-base);
  font-size: var(--font-size-sm);
}

.feedback-message.positive {
  background: var(--rehab-success);
  color: var(--rehab-white);
}

.feedback-message.warning {
  background: var(--rehab-warning);
  color: var(--rehab-white);
}

/* AI Assistant */
.ai-assistant {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  z-index: 900;
}

.ai-toggle {
  width: 60px;
  height: 60px;
  background: var(--rehab-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  box-shadow: var(--rehab-shadow-lg);
  position: relative;
  transition: all 0.2s ease;
}

.ai-toggle:hover {
  transform: scale(1.05);
}

.ai-icon {
  font-size: 1.5rem;
  color: var(--rehab-white);
}

.ai-badge {
  position: absolute;
  top: -5px;
  right: -5px;
  background: var(--rehab-error);
  color: var(--rehab-white);
  font-size: 0.75rem;
  padding: 0.25rem 0.5rem;
  border-radius: var(--radius-full);
  min-width: 1.5rem;
  text-align: center;
}

.ai-panel {
  position: absolute;
  bottom: 80px;
  right: 0;
  width: 350px;
  background: var(--rehab-white);
  border: 1px solid var(--rehab-gray-200);
  border-radius: var(--radius-lg);
  box-shadow: var(--rehab-shadow-lg);
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
  transition: all 0.3s ease;
}

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

.ai-header {
  padding: 1rem;
  border-bottom: 1px solid var(--rehab-gray-200);
}

.ai-header h3 {
  margin: 0 0 0.25rem 0;
  color: var(--rehab-primary);
}

.ai-header p {
  margin: 0;
  font-size: var(--font-size-sm);
  color: var(--rehab-gray-600);
}

.ai-messages {
  max-height: 300px;
  overflow-y: auto;
  padding: 1rem;
}

.ai-message {
  display: flex;
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.ai-avatar {
  flex-shrink: 0;
  width: 30px;
  height: 30px;
  background: var(--rehab-primary-light);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
}

.message-content {
  flex: 1;
}

.message-content p {
  margin: 0;
  padding: 0.75rem;
  background: var(--rehab-gray-100);
  border-radius: var(--radius-base);
  font-size: var(--font-size-sm);
  line-height: 1.4;
}

.ai-input {
  display: flex;
  padding: 1rem;
  border-top: 1px solid var(--rehab-gray-200);
}

.ai-input input {
  flex: 1;
  border: 1px solid var(--rehab-gray-300);
  border-radius: var(--radius-base);
  padding: 0.5rem;
  margin-right: 0.5rem;
}

.ai-input button {
  background: var(--rehab-primary);
  color: var(--rehab-white);
  border: none;
  border-radius: var(--radius-base);
  padding: 0.5rem 1rem;
  cursor: pointer;
  font-size: var(--font-size-sm);
}

/* Landing Page */
.landing-page {
  background: var(--rehab-white);
}

.landing-header {
  background: var(--rehab-white);
  border-bottom: 1px solid var(--rehab-gray-200);
  box-shadow: var(--rehab-shadow-sm);
  padding: 1rem 0;
}

.header-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.header-left {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.landing-logo {
  color: var(--rehab-primary);
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-bold);
  margin: 0;
}

.tagline {
  color: var(--rehab-gray-600);
  font-size: var(--font-size-sm);
}

.header-nav {
  display: flex;
  gap: 2rem;
}

.header-nav a {
  color: var(--rehab-gray-600);
  text-decoration: none;
  font-weight: var(--font-weight-medium);
  transition: color 0.2s ease;
}

.header-nav a:hover {
  color: var(--rehab-primary);
}

/* Hero Section */
.hero-section {
  padding: 6rem 0;
  background: linear-gradient(135deg, var(--rehab-primary-light), var(--rehab-secondary-light));
}

.hero-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.hero-title {
  font-size: 3.5rem;
  font-weight: var(--font-weight-bold);
  margin-bottom: 1.5rem;
  line-height: 1.1;
  color: var(--rehab-gray-900);
}

.hero-subtitle {
  font-size: var(--font-size-xl);
  color: var(--rehab-gray-600);
  margin-bottom: 2rem;
  line-height: 1.6;
}

.hero-cta {
  display: flex;
  gap: 1rem;
  margin-bottom: 3rem;
}

.hero-stats {
  display: flex;
  gap: 2rem;
}

.stat {
  text-align: center;
}

.stat-number {
  display: block;
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-bold);
  color: var(--rehab-primary);
}

.stat-label {
  font-size: var(--font-size-sm);
  color: var(--rehab-gray-600);
}

.hero-visual {
  display: flex;
  justify-content: center;
}

.demo-interface {
  background: var(--rehab-white);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  box-shadow: var(--rehab-shadow-lg);
  width: 100%;
  max-width: 400px;
}

.demo-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--rehab-gray-200);
}

.demo-title {
  font-weight: var(--font-weight-semibold);
  color: var(--rehab-gray-900);
}

.demo-status {
  font-size: var(--font-size-sm);
  color: var(--rehab-success);
}

.demo-video {
  background: var(--rehab-gray-900);
  border-radius: var(--radius-base);
  aspect-ratio: 16/9;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  margin-bottom: 1rem;
}

.demo-metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.5rem;
  margin-bottom: 1rem;
}

.demo-metric {
  background: var(--rehab-gray-50);
  padding: 0.5rem;
  border-radius: var(--radius-sm);
  text-align: center;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
}

.demo-feedback {
  background: var(--rehab-success);
  color: var(--rehab-white);
  padding: 0.75rem;
  border-radius: var(--radius-base);
  text-align: center;
  font-weight: var(--font-weight-medium);
}

/* Features Section */
.features-section {
  padding: 6rem 0;
  background: var(--rehab-gray-50);
}

.section-title {
  text-align: center;
  font-size: 2.5rem;
  font-weight: var(--font-weight-bold);
  margin-bottom: 3rem;
  color: var(--rehab-gray-900);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}

.feature-card {
  background: var(--rehab-white);
  border: 1px solid var(--rehab-gray-200);
  border-radius: var(--radius-lg);
  padding: 2rem;
  text-align: center;
  transition: all 0.2s ease;
  box-shadow: var(--rehab-shadow-sm);
}

.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--rehab-shadow-md);
}

.feature-icon {
  font-size: 3rem;
  margin-bottom: 1rem;
  color: var(--rehab-primary);
}

.feature-card h3 {
  color: var(--rehab-gray-900);
  margin-bottom: 1rem;
}

.feature-card p {
  color: var(--rehab-gray-600);
  line-height: 1.6;
}

/* How It Works Section */
.how-it-works-section {
  padding: 6rem 0;
  background: var(--rehab-white);
}

.steps-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
}

.step-card {
  text-align: center;
  padding: 2rem;
}

.step-number {
  width: 60px;
  height: 60px;
  background: var(--rehab-primary);
  color: var(--rehab-white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  margin: 0 auto 1rem auto;
}

.step-card h3 {
  color: var(--rehab-gray-900);
  margin-bottom: 1rem;
}

.step-card p {
  color: var(--rehab-gray-600);
  line-height: 1.6;
}

/* Testimonials Section */
.testimonials-section {
  padding: 6rem 0;
  background: var(--rehab-gray-50);
}

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}

.testimonial-card {
  background: var(--rehab-white);
  border: 1px solid var(--rehab-gray-200);
  border-radius: var(--radius-lg);
  padding: 2rem;
  box-shadow: var(--rehab-shadow-sm);
}

.testimonial-content {
  margin-bottom: 1.5rem;
}

.testimonial-content p {
  font-style: italic;
  color: var(--rehab-gray-700);
  line-height: 1.6;
  margin: 0;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.testimonial-author img {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  object-fit: cover;
}

.testimonial-author strong {
  display: block;
  color: var(--rehab-gray-900);
}

.testimonial-author small {
  color: var(--rehab-gray-600);
}

/* Footer */
.landing-footer {
  background: var(--rehab-gray-900);
  color: var(--rehab-gray-300);
  padding: 3rem 0;
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 2rem;
}

.footer-section h4 {
  color: var(--rehab-white);
  margin-bottom: 1rem;
}

.footer-section a {
  color: var(--rehab-gray-300);
  text-decoration: none;
  display: block;
  margin-bottom: 0.5rem;
  transition: color 0.2s ease;
}

.footer-section a:hover {
  color: var(--rehab-primary);
}

.footer-section p {
  line-height: 1.6;
  margin: 0;
}

/* Support View */
.support-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}

.support-section {
  background: var(--rehab-white);
  border: 1px solid var(--rehab-gray-200);
  border-radius: var(--radius-lg);
  padding: 2rem;
  box-shadow: var(--rehab-shadow-sm);
}

.contact-options {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.faq-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.faq-item {
  background: var(--rehab-gray-50);
  border-radius: var(--radius-base);
  padding: 1rem;
  cursor: pointer;
  transition: background 0.2s ease;
}

.faq-item:hover {
  background: var(--rehab-gray-100);
}

.faq-question {
  font-weight: var(--font-weight-semibold);
  margin-bottom: 0.5rem;
  color: var(--rehab-gray-900);
}

.faq-answer {
  color: var(--rehab-gray-600);
  line-height: 1.5;
  margin: 0;
}

.tutorial-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.tutorial-item {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1rem;
  background: var(--rehab-gray-50);
  border-radius: var(--radius-base);
  cursor: pointer;
  transition: background 0.2s ease;
}

.tutorial-item:hover {
  background: var(--rehab-gray-100);
}

.tutorial-icon {
  font-size: 1.5rem;
  color: var(--rehab-primary);
}

.tutorial-item strong {
  display: block;
  color: var(--rehab-gray-900);
  margin-bottom: 0.25rem;
}

.tutorial-item p {
  margin: 0;
  font-size: var(--font-size-sm);
  color: var(--rehab-gray-600);
}

/* About View */
.about-content {
  max-width: 800px;
  margin: 0 auto;
}

.mission-section,
.impact-section,
.technology-section {
  margin-bottom: 3rem;
}

.mission-text {
  font-size: var(--font-size-lg);
  line-height: 1.7;
  color: var(--rehab-gray-700);
}

.impact-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 2rem;
  margin-top: 2rem;
}

.impact-stat {
  text-align: center;
  background: var(--rehab-white);
  border: 1px solid var(--rehab-gray-200);
  border-radius: var(--radius-lg);
  padding: 2rem;
  box-shadow: var(--rehab-shadow-sm);
}

.impact-stat h3 {
  font-size: 2.5rem;
  color: var(--rehab-primary);
  margin-bottom: 0.5rem;
}

.tech-features {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  margin-top: 2rem;
}

.tech-feature {
  background: var(--rehab-white);
  border: 1px solid var(--rehab-gray-200);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  box-shadow: var(--rehab-shadow-sm);
}

.tech-feature h4 {
  color: var(--rehab-primary);
  margin-bottom: 1rem;
}

.tech-feature p {
  color: var(--rehab-gray-600);
  line-height: 1.6;
  margin: 0;
}

/* Settings */
.settings-sections {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.settings-section {
  background: var(--rehab-white);
  border: 1px solid var(--rehab-gray-200);
  border-radius: var(--radius-lg);
  padding: 2rem;
  box-shadow: var(--rehab-shadow-sm);
}

.settings-section h3 {
  margin: 0 0 1.5rem 0;
  color: var(--rehab-gray-900);
}

.setting-item {
  margin-bottom: 1.5rem;
}

.setting-item:last-child {
  margin-bottom: 0;
}

.setting-item label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: var(--font-weight-medium);
  color: var(--rehab-gray-700);
}

.toggle-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.toggle-item label {
  margin-bottom: 0;
}

.toggle-switch {
  position: relative;
  width: 50px;
  height: 26px;
  background: var(--rehab-gray-300);
  border-radius: 13px;
  border: none;
  cursor: pointer;
  transition: background-color 0.2s ease;
}

.toggle-switch.active {
  background: var(--rehab-primary);
}

.toggle-slider {
  position: absolute;
  top: 2px;
  left: 2px;
  width: 22px;
  height: 22px;
  background: var(--rehab-white);
  border-radius: 50%;
  transition: transform 0.2s ease;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.toggle-switch.active .toggle-slider {
  transform: translateX(24px);
}

/* Toast Notifications */
.toast-container {
  position: fixed;
  top: 1rem;
  right: 1rem;
  z-index: 2000;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.toast {
  background: var(--rehab-white);
  border: 1px solid var(--rehab-gray-200);
  border-radius: var(--radius-base);
  padding: 1rem;
  box-shadow: var(--rehab-shadow-lg);
  min-width: 300px;
  opacity: 0;
  transform: translateX(100%);
  transition: all 0.3s ease;
}

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

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

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

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

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

/* Utility Classes */
.view-all-link {
  color: var(--rehab-primary);
  text-decoration: none;
  font-weight: var(--font-weight-medium);
  font-size: var(--font-size-sm);
  margin-top: 1rem;
  display: inline-block;
}

.view-all-link:hover {
  text-decoration: underline;
}

.hidden {
  display: none !important;
}

/* Responsive Design */
@media (max-width: 1024px) {
  .hero-content {
    grid-template-columns: 1fr;
    gap: 2rem;
    text-align: center;
  }
  
  .hero-title {
    font-size: 2.5rem;
  }
  
  .progress-charts {
    grid-template-columns: 1fr;
  }
  
  .tech-features {
    grid-template-columns: 1fr;
  }
  
  .session-content {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .app-container {
    grid-template-areas: 
        "header"
        "main";
    grid-template-rows: 70px 1fr;
    grid-template-columns: 1fr;
  }
  
  .sidebar {
    position: fixed;
    top: 70px;
    left: -280px;
    width: 280px;
    height: calc(100vh - 70px);
    z-index: 200;
    transition: left 0.3s ease;
    background: var(--rehab-white);
  }
  
  .sidebar.open {
    left: 0;
  }
  
  .menu-toggle {
    display: block;
  }
  
  .stats-grid {
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
  }
  
  .dashboard-grid {
    grid-template-columns: 1fr;
  }
  
  .hero-cta {
    flex-direction: column;
    align-items: center;
  }
  
  .hero-stats {
    flex-direction: column;
    gap: 1rem;
  }
  
  .header-nav {
    display: none;
  }
  
  .role-buttons {
    grid-template-columns: 1fr;
  }
  
  .pain-scale {
    justify-content: center;
    gap: 0.125rem;
  }
  
  .pain-btn {
    width: 30px;
    height: 30px;
    font-size: var(--font-size-sm);
  }
  
  .ai-panel {
    width: 300px;
    right: -20px;
  }
}

@media (max-width: 480px) {
  .main-content {
    padding: 1rem;
  }
  
  .stats-grid {
    grid-template-columns: 1fr;
  }
  
  .therapist-actions {
    flex-direction: column;
  }
  
  .achievement-stats {
    grid-template-columns: 1fr;
  }
  
  .hero-title {
    font-size: 2rem;
  }
  
  .section-title {
    font-size: 2rem;
  }
  
  .ai-assistant {
    bottom: 1rem;
    right: 1rem;
  }
  
  .ai-panel {
    width: calc(100vw - 2rem);
    right: -1rem;
  }
}

/* Print Styles */
@media print {
  .sidebar,
  .app-header,
  .ai-assistant,
  .notification-btn {
    display: none !important;
  }
  
  .main-content {
    padding: 0;
  }
  
  .app-container {
    grid-template-areas: "main";
    grid-template-columns: 1fr;
  }
}

/* Focus Indicators */
*:focus-visible {
  outline: 2px solid var(--rehab-primary);
  outline-offset: 2px;
}

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}