:root {
  --bg: #f5f7fb;
  --card: #ffffff;
  --text: #17212b;
  --border: #d8e0eb;
  --accent: #0f62fe;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
  background: linear-gradient(180deg, #f5f7fb 0%, #ecf3ff 100%);
  color: var(--text);
}

.container {
  max-width: 480px;
  margin: 48px auto;
  padding: 0 16px;
}

h1 {
  margin-bottom: 8px;
}

p {
  margin-top: 0;
  margin-bottom: 24px;
}

.form-card {
  display: grid;
  gap: 10px;
  padding: 20px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  box-shadow: 0 8px 28px rgba(15, 46, 94, 0.07);
}

input,
textarea,
button {
  font: inherit;
}

input,
textarea {
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px;
}

button {
  margin-top: 8px;
  border: none;
  border-radius: 8px;
  padding: 10px 14px;
  background: var(--accent);
  color: #fff;
  cursor: pointer;
}

button:hover {
  filter: brightness(0.96);
}