body {
  margin: 0;
  font-family: Inter, "Segoe UI", sans-serif;
  background: #f5f7fa;
  color: #1f2937;
}

.page {
  max-width: 900px;
  margin: 0 auto;
  padding: 32px;
}

header {
  margin-bottom: 24px;
}

h1 {
  margin: 0;
  font-size: 2.4rem;
}

.box {
  background: #ffffff;
  border-radius: 16px;
  box-shadow: 0 10px 30px rgba(15, 23, 42, 0.08);
  padding: 24px;
  margin-bottom: 20px;
}

.hidden {
  display: none;
}

label,
input,
select,
button {
  display: block;
  width: 100%;
}

label {
  margin-top: 16px;
  font-weight: 600;
}

input,
select {
  margin: 8px 0 0;
  padding: 12px 14px;
  border-radius: 12px;
  border: 1px solid #d1d5db;
}

button {
  margin-top: 20px;
  padding: 12px 18px;
  border: none;
  background: #2563eb;
  color: #ffffff;
  border-radius: 12px;
  font-weight: 700;
  cursor: pointer;
}

button:hover {
  background: #1d4ed8;
}

#folders {
  margin-top: 16px;
}

.folder {
  padding: 14px;
  border: 1px solid #e5e7eb;
  border-radius: 10px;
  margin-bottom: 12px;
}