:root {
  --bg: #0d1117;
  --panel: #1c2128;
  --header: #161b22;
  --text: #e6e6e6;
  --muted: #8b949e;
  --border: #30363d;
  --accent: #58a6ff;    
  --btn: #30363d;       
  --btn-hover: #484f58; 
  --warn: #ffd33d;       
}


@media (prefers-contrast: more) {
  :root {
    --text: #ffffff;
    --muted: #c9d1d9;
    --btn: #2a2f36;
    --btn-hover: #5a6470;
    --accent: #79c0ff;
  }
}

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

html {
  font-size: 18px;
}


@media (max-width: 360px) {
  html { font-size: 17px; }
}

body {
  font-family: Arial, sans-serif;
  background-color: var(--bg);
  color: var(--text);
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  margin: 0;
  line-height: 1.6;
}

header {
  background-color: var(--header);
  padding: 20px;
  text-align: center;
  border-bottom: 1px solid var(--border);
}

header h1 {
  font-size: clamp(2rem, 2.5vw + 1.25rem, 3rem);
  color: var(--accent);
  margin: 0;
}

main {
  flex-grow: 1;
  display: flex;
  justify-content: center;
  align-items: center;
  text-align: center;
  padding: 24px;
}

form {
  background-color: var(--panel);
  padding: clamp(24px, 3vw + 12px, 48px);
  border-radius: 12px;
  box-shadow: 0 0 10px rgba(0,0,0,0.5);
  border: 1px solid var(--border);
  width: min(92vw, 560px);
}

label {
  display: block;
  font-size: clamp(1.1rem, 1vw + 1rem, 1.4rem);
  margin-bottom: 20px;
}

label[for="note"] {
  font-size: 1rem;
  color: var(--warn);
}

.answers {
  display: flex;
  justify-content: center;
  gap: 14px;
  flex-wrap: wrap;
}

.answers a {
  display: inline-block;
  text-decoration: none;
  background-color: var(--btn);
  color: var(--text);
  padding: 12px 22px;
  margin: 0;
  border-radius: 10px;
  border: 1px solid var(--border);
  font-size: clamp(1rem, 1vw + 0.9rem, 1.25rem);
  min-width: 120px;           
  text-align: center;
  line-height: 1.2;
  transition: background-color 0.2s ease, transform 0.06s ease;
}

.answers a:hover {
  background-color: var(--btn-hover);
}

.answers a:active {
  transform: translateY(1px);
}


.answers a:focus-visible,
a:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 3px;
  border-radius: 12px;
}


footer {
  background-color: var(--header);
  text-align: center;
  padding: 20px 12px;
  font-size: clamp(0.95rem, 0.4vw + 0.85rem, 1.05rem);
  border-top: 1px solid var(--border);
}

footer p {
  margin: 6px 0;
  color: var(--muted);
}

@media (max-width: 600px) {
  form { width: 100%; }
  .answers a { min-width: 46%; padding: 14px 12px; }
}

@media (min-width: 900px) {
  form { width: min(88vw, 520px); }
}

@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; }
}