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

:root {
  --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  --font-mono: 'SF Mono', 'Fira Code', 'Fira Mono', 'Roboto Mono', monospace;
  --transition: 150ms ease;
  --radius-sm: 6px;
  --radius: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --sidebar-width: 260px;
  --header-height: 56px;
  --bottom-bar-height: 56px;
  --z-header: 100;
  --z-sidebar: 150;
  --z-sidebar-backdrop: 140;
  --z-modal: 200;
  --z-toast: 300;
}

html {
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
  -webkit-tap-highlight-color: transparent;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  font-size: 0.9rem;
  line-height: 1.5;
  color: var(--text);
  background: var(--bg);
  min-height: 100vh;
  min-height: 100dvh;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body.modal-open {
  overflow: hidden;
}

a {
  color: var(--accent);
  text-decoration: none;
  transition: color var(--transition);
}

a:hover {
  text-decoration: underline;
}

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

button {
  font-family: inherit;
  font-size: inherit;
  cursor: pointer;
  border: none;
  background: none;
  color: inherit;
}

input,
select,
textarea {
  font-family: inherit;
  font-size: inherit;
  color: inherit;
}

ul,
ol {
  list-style: none;
}

h1, h2, h3, h4 {
  line-height: 1.3;
  font-weight: 600;
}

h1 { font-size: 1.25rem; }
h2 { font-size: 1.1rem; }
h3 { font-size: 1rem; }

.app-layout {
  display: flex;
  min-height: 100vh;
  min-height: 100dvh;
}

.main-wrapper {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-width: 0;
  padding-top: var(--header-height);
}

@media (max-width: 767px) {
  .main-wrapper {
    padding-bottom: var(--bottom-bar-height);
  }
}

.hidden {
  display: none !important;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  border: 0;
}

@media (min-width: 768px) {
  body {
    --header-height: 60px;
  }
}

@media (min-width: 1024px) {
  body {
    --header-height: 64px;
  }
}