.rttv-viewer {
  max-width: 980px;
  margin: 20px auto;
  background: #0f172a;
  color: #fff;
  border-radius: 18px;
  padding: 16px;
  box-shadow: 0 18px 45px rgba(0,0,0,.30);
  overflow: hidden;
  position: relative;
  isolation: isolate;
}

.rttv-toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
}
.rttv-brand {
  font-weight: 700;
  font-size: 18px;
}
.rttv-form, .rttv-buttons {
  display: flex;
  gap: 8px;
  align-items: center;
}
.rttv-form input {
  width: 74px;
  text-align: center;
  font-size: 16px;
}
.rttv-viewer button,
.rttv-viewer input {
  border-radius: 10px;
  border: 1px solid #334155;
  background: #111827;
  color: #fff;
  padding: 8px 10px;
}
.rttv-status {
  margin-bottom: 10px;
  color: #cbd5e1;
  min-height: 24px;
}
.rttv-screen-wrap {
  overflow: hidden;
  background: #0f172a;
  border-radius: 12px;
  scrollbar-width: none;
  min-height: 640px;
  display: block;
  position: relative;
}
.rttv-screen-wrap::-webkit-scrollbar {
  width: 0;
  height: 0;
  display: none;
}
.rttv-screen {
  background: #000;
  color: #fff;
  padding: 12px 14px;
  border-radius: 12px;
  min-width: 760px;
  width: 100%;
  min-height: 640px;
  font-family: "Courier New", monospace;
  line-height: 1;
  border: 2px solid #1e293b;
  overflow: hidden;
  box-sizing: border-box;
  display: block;
}
.rttv-row {
  display: grid;
  grid-template-columns: repeat(40, 1ch);
  font-size: 22px;
  white-space: pre;
}
.rttv-cell {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1ch;
  height: 1.06em;
  overflow: hidden;
  position: relative;
  isolation: isolate;
}

.rttv-graph {
  font-size: .92em;
}
.rttv-fg-black{color:#000;}.rttv-bg-black{background:#000;}
.rttv-fg-red{color:#f00;}.rttv-bg-red{background:#f00;}
.rttv-fg-green{color:#0f0;}.rttv-bg-green{background:#0f0;}
.rttv-fg-yellow{color:#ff0;}.rttv-bg-yellow{background:#ff0;}
.rttv-fg-blue{color:#00f;}.rttv-bg-blue{background:#00f;}
.rttv-fg-magenta{color:#f0f;}.rttv-bg-magenta{background:#f0f;}
.rttv-fg-cyan{color:#0ff;}.rttv-bg-cyan{background:#0ff;}
.rttv-fg-white{color:#fff;}.rttv-bg-white{background:#fff;}
@media (max-width: 820px) {
  .rttv-screen { min-width: 660px; }
  .rttv-row { font-size: 18px; }
}

.rttv-viewer::before,
.rttv-viewer::after,
.rttv-screen-wrap::before,
.rttv-screen-wrap::after {
  content: none !important;
  display: none !important;
}
.rttv-viewer * {
  scrollbar-width: none;
}
.rttv-viewer *::-webkit-scrollbar {
  width: 0 !important;
  height: 0 !important;
  display: none !important;
}

.rttv-viewer {
  display: block !important;
  clear: both !important;
}
.rttv-viewer,
.rttv-viewer * {
  list-style: none !important;
}
.rttv-viewer ul,
.rttv-viewer ol,
.rttv-viewer li,
.rttv-viewer p {
  margin: 0 !important;
  padding: 0 !important;
}

.rttv-host{display:block;width:100%;}
.rttv-mount{display:none !important;}