/* Reset and base styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --primary-color: #333333;
  --secondary-color: #4ecdc4;
  --accent-color: #45b7d1;
  --text-primary: #333333;
  --text-secondary: #666666;
  --text-light: #999999;
  --background-light: #fafafa;
  --background-white: #ffffff;
  --border-light: #e0e0e0;
  --border-medium: #cccccc;
  --shadow-light: rgba(0, 0, 0, 0.1);
  --shadow-medium: rgba(0, 0, 0, 0.15);
  --radius-small: 4px;
  --radius-medium: 8px;
  --radius-large: 12px;
  --spacing-xs: 8px;
  --spacing-sm: 16px;
  --spacing-md: 24px;
  --spacing-lg: 32px;
  --spacing-xl: 48px;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen,
    Ubuntu, Cantarell, sans-serif;
  line-height: 1.6;
  color: var(--text-primary);
  background-color: var(--background-white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

/* Hide bottom navigation on desktop */
.bottom-nav {
  display: none;
}

/* Mobile app-like styling */
@media (max-width: 768px) {
  body {
    background-color: var(--background-white);
    padding: 0;
    margin: 0;
  }

  /* Remove default margins and add mobile-first padding */
  .container {
    padding: 0 16px;
    max-width: 100%;
  }

  /* Mobile safe area handling */
  body {
    padding-top: env(safe-area-inset-top);
    padding-bottom: env(safe-area-inset-bottom);
  }
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  text-decoration: none;
  color: inherit;
  transition: color 0.3s ease;
}

a:hover {
  color: var(--primary-color);
}

ul,
ol {
  list-style: none;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  font-weight: 600;
  line-height: 1.3;
  margin-bottom: var(--spacing-sm);
}

h1 {
  font-size: 2.5rem;
}
h2 {
  font-size: 2rem;
}
h3 {
  font-size: 1.5rem;
}
h4 {
  font-size: 1.25rem;
}
h5 {
  font-size: 1.125rem;
}
h6 {
  font-size: 1rem;
}

p {
  margin-bottom: var(--spacing-sm);
}

.container {
  max-width: 1000px;
  margin: 0 auto;
  padding: 0 var(--spacing-sm);
}

/* App-like container for mobile and desktop */
.app-container {
  max-width: 1000px;
  margin: 0 auto;
  background: var(--background-white);
  min-height: 100vh;
  box-shadow: 0 0 20px rgba(0, 0, 0, 0.1);
  position: relative;
}

@media (max-width: 1000px) {
  .app-container {
    max-width: 100%;
    box-shadow: none;
  }
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}