:root {
  --green: #3aa55c;
  --green-dark: #2e8b46;
  --bg-main: #f7f9f6;
  --bg-soft: #f6f8f7;
  --text-main: #222;
  --text-muted: #555;
  --border-soft: #d1e0d0;
  --radius-sm: 6px;
  --radius-md: 8px;
  --radius-lg: 12px;
}

/* Reset */
* {
  box-sizing: border-box;
}

/* Typography */
html, body {
  margin: 0;
  height: 100%;
  font-family: system-ui, "Segoe UI", Arial, sans-serif;
  color: var(--text-main);
  line-height: 1.6;
}

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

h1, h2, h3 {
  margin-top: 0;
  color: var(--green);
}

/* Forms */
input, textarea, select {
  width: 100%;
  padding: 0.6rem;
  margin-top: 0.4rem;
  border: 1px solid #ccc;
  border-radius: var(--radius-sm);
  font-size: 1rem;
}

textarea {
  min-height: 100px;
}

input:focus,
textarea:focus,
select:focus {
  outline: none;
  border-color: var(--green);
  box-shadow: 0 0 5px rgba(58,165,92,0.5);
}