.ticker-track {
  position: fixed;
  z-index: 25;
  top: 0;
  left: 0;
  right: 0;
  height: var(--ticker-h);
  overflow: hidden;
  border-bottom: 1px solid #050505;
  background: #3dff4a;
  color: #050505;
  pointer-events: none;
}

.ticker-run {
  display: flex;
  width: max-content;
  height: 100%;
  align-items: center;
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  white-space: nowrap;
  font-weight: 600;
  animation: ticker 32s linear infinite;
}

.ticker-run span {
  padding-right: 0.5em;
}

@keyframes ticker {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

:root {
  --ticker-h: 28px;
  --void: #050505;
  --ink: #070706;
  --tape: #3dff4a;
  --acid: #eaff00;
  --blood: #ff3b3b;
  --paper: #ece8d6;
  --hud: 11px;
  --safe-b: max(12px, env(safe-area-inset-bottom));
  --safe-r: max(12px, env(safe-area-inset-right));
  --safe-l: max(12px, env(safe-area-inset-left));
  --safe-t: max(10px, env(safe-area-inset-top));
  --dc-scroll: 0;
  --dc-vel: 0;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
  background: var(--void);
  color: var(--paper);
  font-family: ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;
}

html {
  height: 220vh;
}

body {
  min-height: 220vh;
  overflow-x: hidden;
}

.stage {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background: #050505;
}

.layer {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
}

.ascii-epic {
  opacity: 0.96;
}

.datamosh-canvas {
  mix-blend-mode: screen;
  opacity: 0.82;
}

.scan {
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(#0000 0 2px, #00000024 3px) 0 0 / 100% 5px;
  mix-blend-mode: multiply;
  opacity: calc(0.1 + var(--dc-vel, 0) * 0.22);
  transform: translate3d(0, calc(var(--dc-scroll, 0) * -28px), 0);
}

.tear {
  position: absolute;
  left: 0;
  right: 0;
  height: 2px;
  mix-blend-mode: screen;
  opacity: calc(var(--dc-vel, 0) * 0.75);
  background: linear-gradient(90deg, #0000, #3dff4a 18%, #eaff00 48%, #ff3b3b 72%, #0000);
}

.tear-a {
  top: calc(12% + var(--dc-scroll, 0) * 58%);
}

.tear-b {
  top: calc(72% - var(--dc-scroll, 0) * 46%);
  transform: scaleY(-1);
}

.vignette {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 50% 46%, transparent 36%, #000000d0 100%);
}

.hud {
  position: fixed;
  z-index: 20;
  top: calc(var(--ticker-h) + var(--safe-t));
  left: var(--safe-l);
  right: var(--safe-r);
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  pointer-events: none;
}

.hud-mark,
.hud-btn {
  margin: 0;
  font-size: var(--hud);
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--tape);
  text-shadow: 0 0 10px #3dff4acc;
}

.hud-tools {
  display: flex;
  gap: 8px;
  pointer-events: auto;
}

.hud-btn {
  appearance: none;
  background: #050505cc;
  border: 1px solid #3dff4a40;
  color: #3dff4acc;
  padding: 5px 8px;
  text-decoration: none;
  letter-spacing: 0.16em;
  cursor: pointer;
  pointer-events: auto;
}

.hud-btn code {
  font: inherit;
  letter-spacing: 0.08em;
  color: #ece8d6aa;
}

.hud-btn:hover,
.hud-btn:focus-visible {
  border-color: var(--tape);
  color: var(--paper);
  outline: none;
}

.pet {
  position: fixed;
  z-index: 30;
  right: var(--safe-r);
  bottom: var(--safe-b);
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 8px;
}

.chat-fab {
  appearance: none;
  border: 1px solid var(--tape);
  background: #050505f0;
  color: var(--tape);
  font: inherit;
  font-size: 11px;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  padding: 8px 14px;
  cursor: pointer;
  text-shadow: 0 0 8px #3dff4a99;
  box-shadow: 0 0 18px #3dff4a33;
}

.chat-fab[aria-expanded="true"] {
  background: var(--tape);
  color: #050505;
  text-shadow: none;
}

.cat-hit {
  appearance: none;
  background: transparent;
  border: 0;
  padding: 0;
  cursor: pointer;
}

#cat {
  display: block;
  width: 168px;
  height: 122px;
  filter: drop-shadow(0 0 12px #3dff4a80);
}

.sheet {
  position: fixed;
  z-index: 40;
  display: flex;
  flex-direction: column;
  background: #070706f2;
  border: 1px solid #3dff4a55;
  color: var(--paper);
  box-shadow: 0 0 40px #000c, 0 0 24px #3dff4a22;
}

.sheet-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 10px;
  border-bottom: 1px solid #3dff4a33;
  font-size: 11px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--tape);
}

.sheet-led {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #3dff4a66;
  box-shadow: 0 0 8px #3dff4a88;
}

.sheet-led[data-state="busy"] {
  background: var(--acid);
  animation: pulse 0.8s steps(2) infinite;
}

.sheet-led[data-state="err"] {
  background: var(--blood);
}

.sheet-title {
  flex: 1;
}

.sheet-close {
  appearance: none;
  border: 0;
  background: transparent;
  color: #ece8d688;
  cursor: pointer;
  font-size: 13px;
}

.log {
  margin: 0;
  padding: 12px;
  list-style: none;
  overflow: auto;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.log:empty::before {
  content: "meo";
  color: #3dff4a55;
  letter-spacing: 0.2em;
}

.msg {
  max-width: 92%;
  white-space: pre-wrap;
  word-break: break-word;
  font-size: 13px;
  line-height: 1.45;
  padding: 8px 10px;
  border: 1px solid #3dff4a22;
}

.msg.user {
  align-self: flex-end;
  color: #ece8d6cc;
  background: #111c;
}

.msg.assistant {
  align-self: flex-start;
  color: var(--tape);
  background: #041208cc;
  text-shadow: 0 0 8px #3dff4a33;
}

.msg.err {
  color: var(--blood);
  border-color: #ff3b3b55;
}

.composer {
  display: flex;
  gap: 8px;
  padding: 10px;
  border-top: 1px solid #3dff4a33;
}

.composer input {
  flex: 1;
  min-width: 0;
  background: #000;
  border: 1px solid #3dff4a44;
  color: var(--paper);
  font: inherit;
  font-size: 14px;
  padding: 10px 8px;
  outline: none;
}

.composer input:focus {
  border-color: var(--tape);
}

.composer button {
  appearance: none;
  border: 1px solid var(--tape);
  background: var(--tape);
  color: #050505;
  font: inherit;
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  padding: 0 12px;
  cursor: pointer;
}

.toast {
  position: fixed;
  z-index: 50;
  left: 50%;
  bottom: calc(var(--safe-b) + 8px);
  transform: translateX(-50%);
  background: #050505ee;
  border: 1px solid var(--tape);
  color: var(--tape);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  padding: 6px 10px;
}

@keyframes pulse {
  to {
    opacity: 0.35;
  }
}

@media (min-width: 720px) {
  .sheet {
    right: var(--safe-r);
    bottom: calc(var(--safe-b) + 148px);
    width: min(380px, calc(100vw - 24px));
    height: min(520px, calc(100vh - 220px));
  }
}

@media (max-width: 719px) {
  .sheet {
    left: 0;
    right: 0;
    bottom: 0;
    height: min(72vh, 560px);
    border-bottom: 0;
    padding-bottom: var(--safe-b);
  }

  #cat {
    width: 132px;
    height: 96px;
  }

  .pet {
    bottom: calc(var(--safe-b) + 4px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .scan,
  .tear,
  .sheet-led {
    animation: none;
    transform: none;
  }
}


@media (max-width: 719px) {
  :root {
    --ticker-h: 26px;
    --hud: 10px;
  }

  .hud {
    flex-wrap: wrap;
    gap: 8px;
    padding: 0 2px;
  }

  .hud-tools {
    width: 100%;
    justify-content: flex-start;
  }

  .hud-btn {
    padding: 8px 10px;
    min-height: 36px;
    font-size: 10px;
  }

  .chat-fab {
    min-height: 40px;
    padding: 10px 16px;
    font-size: 12px;
  }

  .sheet {
    height: min(78dvh, 620px);
    border-radius: 12px 12px 0 0;
  }

  .composer {
    padding: 10px 10px calc(10px + var(--safe-b));
  }

  .composer input {
    font-size: 16px; /* avoid iOS zoom */
    min-height: 44px;
  }

  .composer button {
    min-width: 64px;
    min-height: 44px;
  }

  .pet {
    gap: 6px;
    right: max(8px, var(--safe-r));
  }

  #cat {
    width: 112px;
    height: 82px;
  }

  .toast {
    bottom: calc(var(--safe-b) + 96px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .ticker-run {
    animation: none;
  }
}