body {
  max-width: 1100px;
  margin: 20px auto;
  padding: 0 15px;
  font-family: Arial, sans-serif;
  background: #0c0c0c;
  color: #eee;
}

main {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  align-items: flex-start;
}

h1, .sub {
  width: 100%;
  margin: 0;
}

h1 {
  color: #f49ac1;
}

.sub, .hint {
  color: #aaa;
  font-size: 14px;
}

.hint.err {
  color: #ff8080;
}

/* sidebar */
.panel {
  width: 320px;
  flex-shrink: 0;
  background: #171717;
  border: 1px solid #000000;
  padding: 15px;
}

/* preview */
.stage {
  flex: 1;
  min-width: 300px;
  background: #171717;
  padding: 15px;
  text-align: center;
  position: sticky;
  top: 20px;
}

label {
  display: block;
  margin-bottom: 12px;
}

input[type=text], select {
    display: block;
    width: 100%;
    box-sizing: border-box;
    padding: 7px;
    margin-top: 4px;
    background: #1a1a1a;
    color: #eee;
    border: 1px solid #555;
    font-size: 15px;
}

input[type=text]:focus, select:focus {
  outline: none;
  border-color: #f49ac1;
}

.drop {
  border: 1px dashed #777;
  padding: 10px;
  margin-bottom: 12px;
  text-align: center;
  color: #aaa;
  cursor: pointer;
}

.drop:hover, .drop.over {
  border-color: #f49ac1;
  color: #eee;
}

.drop.has {
  border-style: solid;
  color: #eee;
}

button {
  padding: 8px 16px;
  background: #444;
  color: #eee;
  border: 1px solid #666;
  font-size: 15px;
  cursor: pointer;
}

button:hover {
  border-color: #f49ac1;
}

button.primary {
  background: #f49ac1;
  border-color: #f49ac1;
  font-weight: bold;
}

.status {
  color: #aaa;
  font-size: 14px;
}

img {
  max-width: 100%;
}

.sr {
  display: none;
}

/* phones: sidebar goes on top */
@media (max-width: 700px) {
  .panel {
    width: 100%;
  }
  .stage {
    position: static;
  }
}