:root {
  color-scheme: light;
  font-family: Inter, "Segoe UI", Arial, sans-serif;
  background: #f6f7f9;
  color: #1d2430;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
}

button,
input,
textarea {
  font: inherit;
}

.shell {
  width: min(1180px, calc(100vw - 32px));
  margin: 0 auto;
  padding: 32px 0;
}

.toolbar,
.settings,
.panel {
  background: #fff;
  border: 1px solid #d9dee7;
  border-radius: 8px;
}

.toolbar,
.settings {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 16px;
  padding: 18px;
  margin-bottom: 16px;
}

h1,
h2,
p {
  margin: 0;
}

h1 {
  font-size: 24px;
  line-height: 1.2;
}

h2 {
  font-size: 16px;
}

p {
  margin-top: 6px;
  color: #5b6575;
}

label {
  display: grid;
  gap: 8px;
  width: 100%;
  color: #344054;
  font-size: 14px;
}

input,
textarea {
  width: 100%;
  border: 1px solid #cbd3df;
  border-radius: 6px;
  padding: 10px 12px;
  background: #fff;
  color: #1d2430;
}

textarea {
  min-height: 120px;
  resize: vertical;
}

button {
  border: 1px solid #1f6feb;
  border-radius: 6px;
  padding: 10px 14px;
  background: #1f6feb;
  color: #fff;
  cursor: pointer;
  white-space: nowrap;
}

.grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.panel {
  display: grid;
  align-content: start;
  gap: 12px;
  padding: 16px;
  min-height: 360px;
}

ul {
  display: grid;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

li {
  border: 1px solid #e5e9f0;
  border-radius: 6px;
  padding: 10px;
  background: #fafbfc;
  overflow-wrap: anywhere;
}

@media (max-width: 860px) {
  .toolbar,
  .settings {
    align-items: stretch;
    flex-direction: column;
  }

  .grid {
    grid-template-columns: 1fr;
  }
}