@import url('https://fonts.googleapis.com/css2?family=Roboto:wght@300;400;500;700&display=swap');

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

:root {
  --bg:           #ffffff;
  --card:         #ffffff;
  --light:         #e9edc9;
  --matcha:        #7f9634;
  --greentea:       #a9c54b;
  --text:         #000000;
  --muted:        #6a6a69;
  --shadow:       0 2px 12px rgba(103, 143, 54, 0.1);
  --radius:       10px;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: 'Roboto', sans-serif;
  font-weight: 400;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 2rem 1rem;
}

a { color: var(--peach); text-decoration: none; }
a:hover { text-decoration: underline; }

button {
  background: var(--accent);
  color: var(--text);
  border: none;
  border-radius: var(--radius);
  padding: 0.65rem 1.6rem;
  font-size: 1rem;
  font-family: inherit;
  font-weight: 500;
  cursor: pointer;
  transition: opacity 0.15s;
}
button:hover { opacity: 0.82; }
button:disabled { opacity: 0.5; cursor: default; }