:root {
  --bg: #000000;
  --panel: #000055;
  --title: #aa0000;
  --cyan: #55ffff;
  --blue: #5555ff;
  --yellow: #ffff55;
  --green: #55ff55;
  --white: #ffffff;
  --gray: #aaaaaa;
  --dim: #555555;
  --you: #00aaaa;
  --border: #aaaaaa;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  min-height: 100%;
  background: var(--bg);
  color: var(--white);
  font-family: "Consolas", "IBM Plex Mono", "Courier New", monospace;
}

body {
  min-height: 100dvh;
  display: flex;
  align-items: stretch;
  justify-content: center;
  padding: 12px;
}

.scan {
  pointer-events: none;
  position: fixed;
  inset: 0;
  background: repeating-linear-gradient(
    to bottom,
    rgba(255, 255, 255, 0.03) 0px,
    rgba(255, 255, 255, 0.03) 1px,
    transparent 1px,
    transparent 3px
  );
  z-index: 5;
}

.intro {
  position: fixed;
  inset: 0;
  z-index: 50;
  background: #000;
  opacity: 1;
  transition: opacity 0.7s ease-out;
}

.intro.gone {
  opacity: 0;
  pointer-events: none;
}

.intro canvas {
  display: block;
  width: 100%;
  height: 100%;
}

.intro-skip {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 18px;
  margin: 0;
  text-align: center;
  color: var(--dim);
  font-size: 11px;
  letter-spacing: 0.18em;
  opacity: 0;
  transition: opacity 0.6s ease-in;
}

.intro-skip.show { opacity: 1; }

.window {
  position: relative;
  z-index: 1;
  width: min(720px, 100%);
  display: flex;
  flex-direction: column;
  border: 2px solid var(--border);
  background: var(--panel);
  box-shadow: 8px 8px 0 #000;
}

.titlebar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  background: var(--title);
  color: var(--white);
  padding: 8px 10px;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.titlebar-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

.titlebar button,
.titlebar .tb-link {
  background: var(--gray);
  color: #000;
  border: 2px solid #fff;
  border-right-color: #555;
  border-bottom-color: #555;
  font: inherit;
  font-size: 12px;
  padding: 4px 10px;
  cursor: pointer;
  text-decoration: none;
  line-height: 1.2;
}

.titlebar button:active,
.titlebar .tb-link:active {
  border-color: #555;
  border-right-color: #fff;
  border-bottom-color: #fff;
}

.meters {
  display: grid;
  grid-template-columns: 1fr;
  gap: 4px;
  padding: 10px 12px 0;
  font-size: 13px;
}

.k { color: var(--gray); }
.v { color: var(--green); }
.v.cyan { color: var(--cyan); }
.v.yellow { color: var(--yellow); }

.rite {
  margin: 10px 12px;
  padding: 10px 10px 10px 28px;
  border: 1px solid var(--blue);
  color: var(--yellow);
  font-size: 13px;
  line-height: 1.5;
}

.rite li { margin: 0 0 6px; }
.rite li:last-child { margin-bottom: 0; }
.rite strong { color: var(--green); }

.log {
  flex: 1;
  min-height: 280px;
  max-height: min(52dvh, 520px);
  overflow-y: auto;
  padding: 8px 12px 16px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  background: #000010;
  border-top: 1px solid var(--dim);
  border-bottom: 1px solid var(--dim);
}

.empty {
  margin: auto;
  color: var(--dim);
  text-align: center;
  font-size: 13px;
}

.msg {
  max-width: 92%;
  padding: 8px 10px;
  border: 1px solid var(--dim);
  line-height: 1.4;
}

.msg.you {
  align-self: flex-end;
  border-color: var(--you);
  color: var(--cyan);
}

.msg.oracle {
  align-self: flex-start;
  border-color: var(--yellow);
  background: #1a1400;
}

.who {
  display: block;
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--gray);
  margin-bottom: 4px;
}

.word {
  font-size: clamp(22px, 4vw, 32px);
  color: var(--yellow);
  font-weight: 700;
  letter-spacing: 0.06em;
}

.meta {
  margin-top: 6px;
  font-size: 11px;
  color: var(--dim);
  word-break: break-all;
}

.composer {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  padding: 16px 10px 12px;
  background: #000;
}

.hint {
  margin: 0;
  color: var(--green);
  font-size: 13px;
}

#okay {
  min-width: min(280px, 90%);
  min-height: 56px;
  background: var(--green);
  color: #000;
  border: 3px solid #fff;
  border-right-color: #0a5;
  border-bottom-color: #0a5;
  font: inherit;
  font-size: 22px;
  font-weight: 800;
  letter-spacing: 0.18em;
  cursor: pointer;
  padding: 12px 28px;
}

#okay:active {
  transform: translate(1px, 1px);
}

.foot {
  padding: 8px 12px 12px;
  color: var(--green);
  font-size: 13px;
}

.fine {
  display: block;
  margin-top: 6px;
  color: var(--dim);
  font-size: 11px;
  line-height: 1.4;
}

.fine code { color: var(--gray); }

.sr {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
}

@media (min-width: 640px) {
  .meters {
    grid-template-columns: 1fr 1fr;
  }
  .meters div:last-child {
    grid-column: 1 / -1;
  }
}

@media (max-width: 520px) {
  body { padding: 0; }
  .window { border-left: 0; border-right: 0; box-shadow: none; }
  #okay { min-height: 56px; }
}