@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800;900&display=swap');

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

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

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
  color: var(--text);
  background: var(--bg-gradient);
  background-color: var(--bg);
  background-attachment: fixed;
  min-height: 100vh;
  min-height: 100dvh;
  width: 100%;
  overflow-x: hidden;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

.app-shell {
  max-width: 540px;
  width: 100%;
  margin: 0 auto;
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  position: relative;
  background: transparent;
}

.main-content {
  flex: 1 0 auto;
  width: 100%;
  padding-top: calc(72px + env(safe-area-inset-top, 0px));
  padding-bottom: calc(92px + env(safe-area-inset-bottom, 0px));
  padding-left: 16px;
  padding-right: 16px;
}

:focus-visible {
  outline: 2px solid var(--border-focus);
  outline-offset: 2px;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color 0.15s ease, opacity 0.15s ease;
}

button {
  font: inherit;
  color: inherit;
  background: none;
  border: none;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
}

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

h1, h2, h3, h4, h5, h6 {
  color: var(--text);
  font-weight: 800;
  letter-spacing: -0.025em;
  line-height: 1.25;
}

h1 { font-size: 1.5rem; }
h2 { font-size: 1.25rem; }
h3 { font-size: 1.1rem; }
h4 { font-size: 1rem; }

p {
  color: var(--text-secondary);
  font-size: 0.92rem;
}

.text-muted {
  color: var(--text-muted);
}

.text-sm {
  font-size: 0.82rem;
}

.text-xs {
  font-size: 0.75rem;
}

.font-bold {
  font-weight: 700;
}

.font-extrabold {
  font-weight: 850;
}

.mt-1 { margin-top: 4px; }
.mt-2 { margin-top: 8px; }
.mt-3 { margin-top: 12px; }
.mt-4 { margin-top: 16px; }
.mt-5 { margin-top: 20px; }
.mt-6 { margin-top: 24px; }

.mb-2 { margin-bottom: 8px; }
.mb-3 { margin-bottom: 12px; }
.mb-4 { margin-bottom: 16px; }

.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.justify-center { justify-content: center; }
.gap-1 { gap: 4px; }
.gap-2 { gap: 8px; }
.gap-3 { gap: 12px; }
.gap-4 { gap: 16px; }

.grid { display: grid; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

*, *::before, *::after {
  -webkit-touch-callout: none !important;
  -webkit-user-select: none !important;
  user-select: none !important;
  -webkit-tap-highlight-color: transparent !important;
}

input, textarea {
  -webkit-user-select: text !important;
  user-select: text !important;
}