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

body {
  background: #fff;
  color: #222;
  font: 15px/1.6 -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif;
}

main {
  max-width: 640px;
  margin: 0 auto;
  padding: 24px 16px 48px;
}

h1 { font-size: 20px; margin-bottom: 16px; }
h2 { font-size: 15px; color: #666; margin: 24px 0 8px; font-weight: normal; }

#input-area { display: flex; gap: 8px; align-items: stretch; }

textarea {
  flex: 1;
  padding: 8px 10px;
  border: 1px solid #ccc;
  border-radius: 4px;
  font: inherit;
  resize: vertical;
}
textarea:focus { outline: none; border-color: #333; }

button {
  padding: 0 18px;
  border: 1px solid #333;
  background: #333;
  color: #fff;
  border-radius: 4px;
  font: inherit;
  cursor: pointer;
  white-space: nowrap;
}
button:disabled { opacity: .5; cursor: default; }

.hint {
  margin-top: 10px;
  padding: 8px 10px;
  background: #faf3e0;
  border: 1px solid #e5d9b8;
  border-radius: 4px;
  font-size: 14px;
}

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

.list { list-style: none; }

.list li {
  border: 1px solid #e5e5e5;
  border-radius: 4px;
  padding: 10px 12px;
  margin-bottom: 8px;
}

.list .row1 {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  font-size: 14px;
}
.list .company { font-weight: 600; }
.list .no { color: #888; margin-left: 6px; font-family: ui-monospace, monospace; }
.list .del {
  border: none;
  background: none;
  color: #bbb;
  padding: 0 0 0 12px;
  font-size: 16px;
  line-height: 1;
}
.list .del:hover { color: #c00; }

.list .status { margin-top: 4px; }
.list .time { color: #999; font-size: 13px; margin-top: 2px; }

#signedList li { color: #777; }
#signedList .status { color: #999; }