:root {
  color-scheme: dark;
  --bg: #050706;
  --panel: #0b100f;
  --panel-strong: #111816;
  --text: #d7e8df;
  --muted: #83958f;
  --line: #26332f;
  --signal: #85ffbb;
  --warn: #ffc66d;
  --danger: #ff6f6f;
  --cold: #86c7ff;
}

* {
  box-sizing: border-box;
}

body {
  min-height: 100vh;
  margin: 0;
  overflow: hidden;
  background:
    linear-gradient(90deg, rgba(255, 255, 255, 0.025) 1px, transparent 1px) 0 0 / 56px 56px,
    linear-gradient(rgba(255, 255, 255, 0.018) 1px, transparent 1px) 0 0 / 56px 56px,
    radial-gradient(circle at 72% 18%, rgba(134, 199, 255, 0.08), transparent 28rem),
    var(--bg);
  color: var(--text);
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
}

.shell {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  grid-template-rows: minmax(0, 1fr);
  height: 100vh;
  padding: 12px;
}

.viewport,
.terminal {
  border: 1px solid var(--line);
  background: color-mix(in srgb, var(--panel) 92%, transparent);
  box-shadow: 0 0 0 1px rgba(133, 255, 187, 0.03) inset;
}

.viewport {
  position: absolute;
  z-index: 5;
  top: 12px;
  right: 12px;
  width: min(46vw, 720px);
  height: min(42vh, 430px);
  display: none;
  overflow: hidden;
  opacity: 0;
  pointer-events: none;
  transform: translateY(-8px);
  transition: opacity 180ms ease, transform 180ms ease;
}

body.feed-visible .viewport {
  display: block;
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

body.feed-expanded .viewport {
  width: calc(100vw - 24px);
  height: calc(100vh - 86px);
}

.viewport__header {
  position: absolute;
  z-index: 2;
  top: 0;
  left: 0;
  right: 0;
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 10px 12px;
  color: var(--muted);
  background: linear-gradient(180deg, rgba(5, 7, 6, 0.9), rgba(5, 7, 6, 0));
  font-size: 12px;
  letter-spacing: 0;
}

.feed-toggle {
  border: 1px solid rgba(134, 199, 255, 0.35);
  padding: 2px 7px;
  background: rgba(3, 6, 7, 0.72);
  color: var(--cold);
  font: inherit;
  font-size: 11px;
  cursor: pointer;
}

.feed-toggle:hover,
.feed-toggle:focus-visible {
  border-color: rgba(134, 199, 255, 0.75);
  outline: 0;
  color: var(--text);
}

#world,
#world canvas {
  display: block;
  width: 100%;
  height: 100%;
}

#world {
  background: #020303;
}

.interference {
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: 0.44;
  background:
    repeating-linear-gradient(
      0deg,
      transparent 0 3px,
      rgba(215, 232, 223, 0.055) 3px 4px
    );
  mix-blend-mode: screen;
}

.interference::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(115deg, transparent 0 42%, rgba(133, 255, 187, 0.06) 43%, transparent 45% 100%);
  animation: sweep 5s linear infinite;
}

.detection-hud,
.control-hud {
  position: absolute;
  z-index: 3;
  pointer-events: none;
  font-size: 12px;
  letter-spacing: 0;
}

.detection-hud {
  inset: 0;
}

.detection-box {
  position: absolute;
  border: 1px solid rgba(133, 255, 187, 0.72);
  color: var(--text);
}

.detection-box::before,
.detection-box::after {
  content: "";
  position: absolute;
  width: 7px;
  height: 7px;
  border-color: rgba(133, 255, 187, 0.9);
}

.detection-box::before {
  top: -1px;
  left: -1px;
  border-top: 2px solid;
  border-left: 2px solid;
}

.detection-box::after {
  right: -1px;
  bottom: -1px;
  border-right: 2px solid;
  border-bottom: 2px solid;
}

.detection-box span {
  position: absolute;
  left: -1px;
  bottom: 100%;
  padding: 1px 5px;
  background: rgba(5, 7, 6, 0.82);
  color: var(--text);
}

.control-hud {
  right: 12px;
  bottom: 12px;
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 8px 12px;
  max-width: calc(100% - 24px);
  border: 1px solid rgba(134, 199, 255, 0.45);
  padding: 8px 10px;
  background: rgba(3, 6, 7, 0.78);
  color: var(--cold);
  box-shadow: 0 0 24px rgba(134, 199, 255, 0.08);
}

.control-hud[hidden] {
  display: none;
}

#controlName {
  color: var(--text);
}

#controlHints {
  color: var(--muted);
}

.terminal {
  display: flex;
  min-height: 0;
  flex-direction: column;
  grid-row: 1;
}

.terminal__output {
  flex: 1;
  min-height: 0;
  overflow: auto;
  padding: 14px;
  font-size: 14px;
  line-height: 1.45;
}

body.feed-visible .terminal__output {
  padding-right: min(48vw, 748px);
}

.line {
  white-space: pre-wrap;
}

.line--input {
  color: var(--cold);
}

.line--system {
  color: var(--signal);
}

.line--warn {
  color: var(--warn);
}

.line--danger {
  color: var(--danger);
}

.line--unlock {
  color: #f7f3a1;
}

.term-header {
  color: var(--text);
  font-weight: 600;
}

.term-label {
  color: var(--muted);
}

.term-id,
.term-value {
  color: var(--signal);
}

.term-component-key {
  color: var(--cold);
}

.term-component-list {
  color: #f7f3a1;
}

.term-protocol {
  color: #f7f3a1;
}

.term-cold {
  color: var(--cold);
}

.term-muted {
  color: var(--muted);
}

.term-warn {
  color: var(--warn);
}

.term-danger {
  color: var(--danger);
}

.terminal__input {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: center;
  gap: 8px;
  border-top: 1px solid var(--line);
  padding: 10px 12px;
  background: var(--panel-strong);
}

.prompt {
  color: var(--signal);
  font-size: 13px;
}

#commandInput {
  width: 100%;
  min-width: 0;
  border: 0;
  outline: 0;
  background: transparent;
  color: var(--text);
  font: inherit;
}

@keyframes sweep {
  from {
    transform: translateX(-34%);
  }
  to {
    transform: translateX(34%);
  }
}

@media (max-width: 820px) {
  body {
    overflow: auto;
  }

  .shell {
    grid-template-columns: 1fr;
    grid-template-rows: minmax(52vh, 1fr);
    height: auto;
    min-height: 100vh;
  }

  .viewport {
    position: relative;
    top: auto;
    right: auto;
    width: 100%;
    height: 34vh;
    margin-bottom: 12px;
  }

  body.feed-visible .shell {
    grid-template-rows: 34vh minmax(46vh, 1fr);
  }

  body.feed-expanded .shell {
    grid-template-rows: 58vh minmax(28vh, 1fr);
  }

  body.feed-visible .viewport {
    grid-row: 1;
  }

  body.feed-expanded .viewport {
    width: 100%;
    height: 58vh;
  }

  .terminal {
    grid-row: 1;
  }

  body.feed-visible .terminal {
    grid-row: 2;
  }

  .terminal__output {
    padding-right: 14px;
  }
}