:root{
  --green: #2f8f4e;
  --green-dark: #1f6f3a;
  --bg: #f6f8f7;
  --card: #ffffff;
  --border: #e2e8e5;
  --text: #1f2933;
  --muted: #6b7280;
  --radius: 14px;
}

*{ box-sizing:border-box; }

body{
  margin:0;
  min-height:100vh;
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial;
  background: var(--bg);
  color: var(--text);
  display:flex;
  justify-content:center;
  padding:16px;
}

.wrap{
  width:100%;
  max-width:420px;
}

header{
  text-align:center;
  margin-bottom:20px;
}

.logo{
  width:52px;
  height:52px;
  margin:0 auto 10px auto;
  border-radius:12px;
  background: var(--green);
  color:#fff;
  display:flex;
  align-items:center;
  justify-content:center;
  font-weight:800;
  font-size:18px;
}

header h1{
  margin:0;
  font-size:20px;
}

header p{
  margin:4px 0 0 0;
  color: var(--muted);
  font-size:14px;
}

.card{
  background: var(--card);
  border-radius: var(--radius);
  border:1px solid var(--border);
  padding:18px;
}

.btn{
  display:flex;
  justify-content:space-between;
  align-items:center;
  padding:14px 16px;
  border-radius:12px;
  text-decoration:none;
  font-weight:700;
  font-size:15px;
  border:1px solid transparent;
}

.btn-primary{
  background: var(--green);
  color:#fff;
}

.btn-secondary{
  background:#fff;
  color: var(--text);
  border-color: var(--border);
}