/* taxbob.app (design taxbob 7.5): the only stylesheet; system fonts, no images, light and dark follow the device. */
:root {
  color-scheme: light dark;
  --bg: #f4f4f6;
  --card: #ffffff;
  --text: #1d1d1f;
  --muted: #6e6e73;
  --line: #d9d9de;
  --accent: #0b7a72;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #121214;
    --card: #1c1c1f;
    --text: #f2f2f4;
    --muted: #a1a1a8;
    --line: #2e2e33;
    --accent: #4fd1c5;
  }
}

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

body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background: var(--bg);
  color: var(--text);
  font: 400 1.0625rem/1.6 -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, Roboto, "Helvetica Neue", Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
}

header, main, footer { width: 100%; max-width: 44rem; margin: 0 auto; padding-left: 1.25rem; padding-right: 1.25rem; }
header { padding-top: 1.75rem; }
main { flex: 1; padding-top: 3rem; padding-bottom: 3rem; }
footer { display: flex; flex-wrap: wrap; gap: 0.5rem 1.5rem; padding-top: 1.25rem; padding-bottom: 2rem; border-top: 1px solid var(--line); font-size: 0.9375rem; }

a { color: var(--accent); text-underline-offset: 0.15em; }
.brand { color: var(--text); font-size: 1.25rem; font-weight: 700; letter-spacing: -0.01em; text-decoration: none; }

h1 { margin: 0 0 1.25rem; font-size: clamp(1.75rem, 5vw, 2.5rem); line-height: 1.15; letter-spacing: -0.02em; }
h2 { margin: 2.25rem 0 0.5rem; font-size: 1.125rem; line-height: 1.3; }
p { margin: 0 0 1rem; }

.note { margin: 2rem 0; padding: 1rem 1.25rem; border: 1px solid var(--line); border-radius: 0.75rem; background: var(--card); }
.stand { color: var(--muted); font-size: 0.9375rem; }