*{box-sizing:border-box}

body{
    margin:0;
    font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;background:#f5f5f7;
    color:#222
}

main{
    max-width:520px;
    margin:0 auto;
    padding:20px 16px 32px
}

h1{
    font-size:21px;
    margin:0 0 18px;
    text-align: center;
}

.app-description {
  margin: 16px 0 24px;
  padding: 16px;
  background: #f7f8fa;
  border: 1px solid #e2e5e9;
  border-radius: 12px;
  color: #333;
  line-height: 1.8;
}

.app-description h3 {
  margin: 0 0 10px;
  font-size: 1.25rem;
  font-weight: 700;
}

.app-description p {
  margin: 8px 0;
}

.description {
  font-size: 1rem;
}

.description strong {
  color: #d93025;
  font-weight: 700;
}

.description-joke {
  color: #333;
  font-weight: 400;
}

.description-note {
  margin-top: 12px !important;
  color: #666;
  font-size: 0.82rem;
}

.card{
    background:#fff;
    border-radius:16px;
    padding:16px;
    margin-bottom:14px;
    box-shadow:0 2px 10px #0000000d
}

label{
    display:block;
    font-weight:700;
    font-size:14px;
    margin-bottom:7px
}

input[type=file]{
    width:100%;
    font-size:14px
}

.title{
    display:block;
    font-weight:700;
    font-size:14px;
    margin-bottom:7px
}

.note{
    font-size:12px;
    line-height:1.6;
    color:#666;
    margin-top:8px
}

.stage-wrap{
    position:relative;
    width:100%;
    margin:14px 0;
    background:#111;
    border-radius:14px;
    overflow:hidden;
    touch-action:none
}

canvas{
    display:block;
    width:100%;
    height:auto;
    touch-action:none
}

.empty{aspect-ratio:1/1;display:grid;place-items:center;color:#aaa;font-size:14px}

button{
    width:100%;
    border:0;
    border-radius:12px;
    padding:14px 16px;
    font-size:16px;
    font-weight:700;
    background:#222;
    color:#fff
}

button:disabled{
    opacity:.35
}

.status{
    font-size:13px;
    text-align:center;
    color:#666;
    min-height:20px;
    margin:8px 0
}

.smallbtn{
    background:#eee;
    color:#222;
    font-size:13px;
    padding:10px;
    margin-top:8px
}