:root {
  font-family: Inter, system-ui, Avenir, Helvetica, Arial, sans-serif;
  line-height: 1.5;
  font-weight: 400;

  color-scheme: light dark;
  color: rgba(255, 255, 255, 0.87);
  background-color: #242424;

  font-synthesis: none;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  -webkit-text-size-adjust: 100%;

  --primary-color: #242424;
  --secondary-color: #ffffff;
  --success-color: #008000;
  --warning-color: #ffa500;
  --error-color: #ff0000;
  --info-color: #0000ff;
  --light-color: #f0f0f0;
  --dark-color: #242424;
  --text-color: #000000;

  /* Microsoft Teams-inspired palette */
  /* Primary (Teams brand ~ #6264A7) */
  --primary-50:  #f6f6fb;
  --primary-100: #ececf7;
  --primary-200: #d9daf0;
  --primary-300: #bcbfe3;
  --primary-400: #9ea2d3;
  --primary-500: #8286c1;
  --primary-600: #6264a7; /* Teams brand */
  --primary-700: #4e4f8c;
  --primary-800: #3f4070;
  --primary-900: #33355b;

  /* Neutral gray scale (Fluent-inspired) */
  --gray-50:  #f9fafb;
  --gray-100: #f3f4f6;
  --gray-200: #e5e7eb;
  --gray-300: #d1d5db;
  --gray-400: #9ca3af;
  --gray-500: #6b7280;
  --gray-600: #4b5563;
  --gray-700: #374151;
  --gray-800: #1f2937;
  --gray-900: #111827;

  /* Semantic statuses */
  --success-600: #107c10; /* Fluent success */
  --warning-600: #f59e0b;
  --error-600:   #d13438; /* Fluent danger */
  --info-600:    #115ea3; /* Fluent info */

  /* Surface and code tokens */
  --surface-bg: #ffffff;
  --surface-border: var(--gray-200);
  --surface-text: var(--gray-900);
  --muted-text: var(--gray-600);
  --code-bg: var(--gray-100);
  --code-text: var(--gray-900);

  /* Radii & elevation */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --elevation-1: 0 4px 14px rgba(0,0,0,.08);
  --elevation-2: 0 10px 30px rgba(0,0,0,.15);
  --ring: 0 0 0 3px color-mix(in srgb, var(--primary-600) 25%, transparent);
  --content-max-width: 920px;
}

:root[data-theme="dark"] {
  color-scheme: dark;
  
  background-color: #242424;
  color: rgba(255, 255, 255, 0.87); 
  --primary-color: #242424;
  --secondary-color: #242424;
  --success-color: #008000;
  --warning-color: #ffa500;
  --error-color: #ff0000;
  --info-color: #0000ff;
  --light-color: #f0f0f0;
  --dark-color: #242424;
  --text-color: #000000;

  /* Keep Teams palette consistent in dark mode; neutrals already dark */
  --primary-50:  #f6f6fb;
  --primary-100: #ececf7;
  --primary-200: #d9daf0;
  --primary-300: #bcbfe3;
  --primary-400: #9ea2d3;
  --primary-500: #8286c1;
  --primary-600: #6264a7;
  --primary-700: #4e4f8c;
  --primary-800: #3f4070;
  --primary-900: #33355b;

  /* Dark surfaces */
  --surface-bg: var(--gray-800);
  --surface-border: var(--gray-700);
  --surface-text: var(--gray-100);
  --muted-text: var(--gray-300);
  --code-bg: var(--gray-900);
  --code-text: var(--gray-100);
}
  

a {
  font-weight: 500;
  color: var(--primary-600);
  text-decoration: inherit;
}
a:hover {
  color: var(--primary-700);
}

body {
  margin: 0;
  display: flex;
  place-items: center;
  min-width: 320px;
  min-height: 100vh;
}

h1 {
  font-size: 3.2em;
  line-height: 1.1;
}

button {
  border-radius: 8px;
  border: 1px solid var(--primary-600);
  padding: 0.6em 1.2em;
  font-size: 1em;
  font-weight: 500;
  font-family: inherit;
  background-color: var(--primary-600);
  color: #ffffff;
  cursor: pointer;
  transition: border-color 0.25s;
}
button:hover {
  border-color: var(--primary-700);
}
button:focus,
button:focus-visible {
  outline: 4px auto -webkit-focus-ring-color;
}

@media (prefers-color-scheme: light) {
  :root {
    color: var(--surface-text);
    background-color: #f6f7fb;
  }
  a:hover {
    color: var(--primary-700);
  }
  button { /* keep Teams palette in light mode */ }
}

#root {
  max-width: var(--content-max-width);
  margin: 0 auto;
  padding: 2rem;
  text-align: center;
}

.demo-container {
  max-width: 800px;
  margin: 0 auto;
  padding: 2rem;
}

/* Heading */
h1 {
  font-weight: 800;
  letter-spacing: .4px;
  margin-bottom: 1rem;
  background: linear-gradient(180deg, var(--primary-500), var(--primary-700));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.demo-section {
  margin: 2rem 0;
  padding: 1.5rem;
  border: 1px solid var(--surface-border);
  border-radius: var(--radius-lg);
  background: var(--surface-bg);
  box-shadow: var(--elevation-1);
  position: relative;
  background-color: var(--surface-bg);
  color: var(--text-color);
}

.demo-section::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: var(--radius-lg);
  pointer-events: none;
  box-shadow: inset 0 1px 0 rgba(80, 124, 218, 0.05);
}

.demo-section h2 {
  margin-top: 0;
  color: var(--surface-text);
}

.demo-controls {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  justify-content: center;
  margin: 1rem 0;
}

.demo-controls button {
  border-radius: 9999px;
  padding: .6rem 1rem;
  border: 1px solid color-mix(in srgb, var(--primary-600) 60%, transparent);
  background: linear-gradient(180deg, color-mix(in srgb, var(--primary-600) 10%, #fff), color-mix(in srgb, var(--primary-600) 30%, #eef2ff));
  color: var(--surface-text);
  box-shadow: 0 1px 0 rgba(255,255,255,.8), var(--elevation-1);
}

.demo-controls button:focus-visible { box-shadow: var(--ring); outline: none; }

.consent-status {
  display: grid;
  gap: 1rem;
  margin: 1rem 0;
}

.demo-consent-category {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem;
  border: 1px solid var(--surface-border);
  border-radius: 4px;
  background: var(--surface-bg);
  border-radius: var(--radius-md);
  box-shadow: var(--elevation-1);
  transition: transform .12s ease, box-shadow .12s ease, border-color .12s ease;
}

.demo-consent-category:hover {
  transform: translateY(-1px);
  border-color: color-mix(in srgb, var(--primary-600) 35%, var(--surface-border));
  box-shadow: var(--elevation-2);
}

.demo-consent-category h3 {
  margin: 0;
  color: var(--surface-text);
}

.demo-consent-category p {
  margin: 0.5rem 0;
  color: var(--muted-text);
  font-size: 0.9em;
}

.status-badge {
  padding: 0.25rem 0.5rem;
  border-radius: 9999px;
  font-size: 0.8em;
  font-weight: bold;
  border: 1px solid transparent;
}

.status-accepted {
  background: color-mix(in srgb, var(--success-600) 18%, transparent);
  border-color: color-mix(in srgb, var(--success-600) 50%, transparent);
  color: var(--surface-text);
}

.status-rejected {
  background: color-mix(in srgb, var(--error-600) 18%, transparent);
  border-color: color-mix(in srgb, var(--error-600) 50%, transparent);
  color: var(--surface-text);
}

.status-pending {
  background: color-mix(in srgb, var(--warning-600) 18%, transparent);
  border-color: color-mix(in srgb, var(--warning-600) 50%, transparent);
  color: var(--surface-text);
}

/* Code blocks */
.code-block {
  background: var(--code-bg);
  color: var(--code-text);
  padding: 1rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--surface-border);
  border-left: 4px solid var(--primary-600);
  box-shadow: var(--elevation-1);
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  text-align: left;
  overflow-x: auto;
}

@media (prefers-color-scheme: light) {
  .demo-section {
    background: #f9f9f9;
    border-color: #ddd;
  }
}

@media (prefers-color-scheme: dark) {
  .demo-section {
    background: var(--gray-800);
    border-color: var(--gray-700);
  }
  
  .demo-section h2 {
    color: var(--gray-100);
  }
  
  .consent-category {
    background: #333;
    border-color: var(--gray-700);
  }
  
  .consent-category h3 {
    color: var(--gray-100);
  }
  
  .consent-category p {
    color: var(--gray-300);
  }
}