:root {
  --bg: #f5f7fb;
  --card: #ffffff;
  --text: #1f2937;
  --border: #dbe2ea;
  --accent: #0b5fff;
  --accent-2: #0847bd;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
  color: var(--text);
  background: var(--bg);
}

.container {
  width: min(700px, 92%);
  margin: 2rem auto;
}

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1rem;
}

h1 {
  margin-top: 0;
}

label {
  display: block;
  margin: 0.8rem 0 0.35rem;
}

input,
select,
textarea,
button {
  width: 100%;
  font: inherit;
  border-radius: 8px;
}

input,
select,
textarea {
  border: 1px solid #ccd6e2;
  padding: 0.65rem;
  background: #fff;
}

textarea {
  resize: vertical;
}

button {
  margin-top: 1rem;
  border: 0;
  padding: 0.7rem 0.9rem;
  cursor: pointer;
  background: var(--accent);
  color: #fff;
  font-weight: 600;
}

button:hover {
  background: var(--accent-2);
}