:root {
  --color-bg: #f7f7fb;
  --color-surface: #ffffff;
  --color-surface-alt: #f1f1f6;
  --color-text: #14151a;
  --color-text-muted: #6b6f7b;
  --color-primary: #5b5bf0;
  --color-primary-text: #ffffff;
  --color-border: #e7e7ee;
  --color-positive: #16a34a;
  --color-negative: #e11d48;
  --color-neutral: #6b6f7b;
  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --shadow-sm: 0 1px 2px rgba(20, 21, 26, 0.06);
  --shadow-md: 0 8px 24px rgba(20, 21, 26, 0.08);
  --safe-bottom: env(safe-area-inset-bottom, 0px);
  --safe-top: env(safe-area-inset-top, 0px);
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root {
    --color-bg: #0f1115;
    --color-surface: #181b21;
    --color-surface-alt: #20242c;
    --color-text: #f3f4f6;
    --color-text-muted: #9598a1;
    --color-primary: #7c7cf5;
    --color-primary-text: #0f1115;
    --color-border: #262a33;
    --color-positive: #34d399;
    --color-negative: #fb7185;
    --color-neutral: #9598a1;
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.35);
    --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.45);
    color-scheme: dark;
  }
}

* {
  box-sizing: border-box;
}

html, body {
  height: 100%;
}

body {
  margin: 0;
  background: var(--color-bg);
  color: var(--color-text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
  -webkit-tap-highlight-color: transparent;
}

#app {
  min-height: 100vh;
}

h1, h2, h3 {
  margin: 0;
}

p {
  margin: 0;
}

a {
  color: inherit;
  text-decoration: none;
}

button {
  font-family: inherit;
}

.page {
  padding: calc(20px + var(--safe-top)) 20px calc(100px + var(--safe-bottom));
  max-width: 480px;
  margin: 0 auto;
  animation: page-fade-in 0.2s ease-out;
}

@keyframes page-fade-in {
  from {
    opacity: 0;
    transform: translateY(6px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}

.muted-text {
  color: var(--color-text-muted);
  font-size: 14px;
}

.loading {
  color: var(--color-text-muted);
  padding: 40px 0;
  text-align: center;
}