:root { --title: #17365D; --header: #D9EAF7; --label: #F2F2F2; --accent: #217346; --grid: #D4D4D4; --neg: #C00000; }
* { box-sizing: border-box; }
body {
  margin: 0; min-height: 100vh; display: grid; place-items: center; padding: 16px;
  font-family: Carlito, Calibri, "Segoe UI", Arial, sans-serif; font-size: 15px; color: #1b1b1b;
  background: linear-gradient(180deg, var(--accent) 0 38%, var(--label) 38% 100%);
}
.card { width: 100%; max-width: 380px; background: #fff; border: 1px solid var(--grid); box-shadow: 0 8px 28px #0002; }
.head { background: var(--title); color: #fff; padding: 18px 22px; }
.title { font-weight: 700; font-size: 19px; }
.sub { opacity: .8; margin-top: 2px; }
form { padding: 20px 22px 8px; display: grid; gap: 14px; }
label { display: grid; gap: 5px; font-weight: 700; color: var(--title); font-size: 14px; }
input {
  font: inherit; font-weight: 400; padding: 8px 10px; border: 1px solid #b9c7d6; background: #fffdf5;
}
input:focus { outline: 2px solid var(--accent); outline-offset: -1px; }
button {
  font: inherit; font-weight: 700; padding: 9px; border: none; background: var(--accent); color: #fff; cursor: pointer;
}
button:hover { background: #1a5c38; }
.error { background: #fde7e7; color: var(--neg); border-left: 4px solid var(--neg); padding: 8px 10px; font-size: 14px; }
.foot { padding: 10px 22px 18px; color: #666; font-size: 13px; }