* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: system-ui, Arial, sans-serif;
  background: #f4f5f7;
  color: #1f2933;
  line-height: 1.5;
  padding: 20px;
}

header {
  text-align: center;
  margin-bottom: 30px;
}

header p {
  color: #616e7c;
  margin-top: 5px;
}

main {
  max-width: 700px;
  margin: 0 auto;
  display: grid;
  gap: 30px;
}

.form-section,
.list-section {
  background: #ffffff;
  border: 1px solid #e1e4e8;
  border-radius: 8px;
  padding: 20px;
}

h2 {
  margin-bottom: 15px;
  font-size: 1.2rem;
}

form {
  display: grid;
  gap: 15px;
}

label {
  display: grid;
  gap: 5px;
  font-weight: 600;
  font-size: 0.9rem;
}

input,
select,
textarea {
  padding: 8px 10px;
  border: 1px solid #cbd2d9;
  border-radius: 6px;
  font-size: 1rem;
  font-family: inherit;
}

button {
  padding: 10px;
  background: #2563eb;
  color: #ffffff;
  border: none;
  border-radius: 6px;
  font-size: 1rem;
  cursor: pointer;
}

button:hover {
  background: #1d4ed8;
}

.filter {
  margin-bottom: 15px;
  max-width: 220px;
}

.request-card {
  border: 1px solid #e1e4e8;
  border-radius: 6px;
  padding: 15px;
  margin-bottom: 15px;
}

.request-card h3 {
  font-size: 1rem;
  margin-bottom: 5px;
}

.request-card .meta {
  font-size: 0.85rem;
  color: #616e7c;
  margin-bottom: 8px;
}

.request-card .message {
  margin-bottom: 10px;
}