:root {
  --bg: #0a0a0a;
  --fg: #c8ffc8;
  --accent: #5f5;
  --err: #f88;
  --dim: #6a8a6a;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  position: relative;
  background: var(--bg);
  color: var(--fg);
  font: 16px/1.45 ui-monospace, "Cascadia Code", "Consolas", monospace;
}

#matrix-bg {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  display: block;
}

.wrap {
  position: relative;
  z-index: 1;
  max-width: 52rem;
  margin: 0 auto;
  padding: 1rem 1.25rem 2rem;
}

.screen {
  border: 1px solid #234;
  border-radius: 4px;
  padding: 1rem 1.1rem;
  background: rgba(8, 10, 8, 0.92);
  backdrop-filter: blur(1px);
}

.msg {
  color: var(--accent);
  margin: 0 0 0.75rem;
  white-space: pre-wrap;
}

ul.menu {
  list-style: none;
  margin: 0;
  padding: 0;
}

ul.menu li {
  padding: 0.28rem 0.4rem;
  cursor: pointer;
  border-radius: 2px;
}

ul.menu li:hover {
  background: #1a2a1a;
}

ul.menu li.active {
  outline: 1px solid var(--accent);
}

.row0 {
  color: var(--dim);
}

form.prompt {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  margin-top: 0.85rem;
  flex-wrap: wrap;
}

form.prompt label {
  color: var(--accent);
}

form.prompt input[type="text"] {
  flex: 1;
  min-width: 6rem;
  background: #111;
  border: 1px solid #345;
  color: var(--fg);
  font: inherit;
  padding: 0.35rem 0.5rem;
  border-radius: 3px;
}

form.prompt input[type="text"]:focus {
  outline: 1px solid var(--accent);
  border-color: var(--accent);
}

.banner-err {
  color: var(--err);
  margin: 0.5rem 0;
  white-space: pre-wrap;
}

.err-detail {
  margin: 0.5rem 0 0;
  padding: 0.65rem 0.75rem;
  border: 1px solid #522;
  border-radius: 4px;
  background: #0c0808;
  color: var(--err);
  font-size: 0.92em;
  white-space: pre-wrap;
  overflow-x: auto;
  max-height: 40vh;
}

#load-mask {
  position: fixed;
  inset: 0;
  z-index: 9999;
  display: none;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 0.75rem;
  background: rgba(0, 0, 0, 0.72);
  pointer-events: auto;
  user-select: none;
}

#load-mask.visible {
  display: flex;
}

#load-mask .load-box {
  border: 1px solid var(--accent);
  border-radius: 6px;
  padding: 1.25rem 1.75rem;
  background: #080808;
  max-width: min(28rem, 92vw);
  text-align: center;
}

#load-mask .spinner {
  width: 2.25rem;
  height: 2.25rem;
  margin: 0 auto 0.75rem;
  border: 3px solid #345;
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: load-spin 0.75s linear infinite;
}

@keyframes load-spin {
  to {
    transform: rotate(360deg);
  }
}

#load-mask .load-main {
  margin: 0;
  color: var(--accent);
  font-size: 1rem;
}

#load-mask .load-sub {
  margin: 0.5rem 0 0;
  color: var(--dim);
  font-size: 0.85rem;
  word-break: break-all;
}