/*
 * Surveillance-terminal look, carried over from the full scanner: black ground,
 * one monospace face, cyan for chrome and a single accent per verdict state.
 * No framework -- the whole page is three files and none of them are built.
 */

:root {
  --bg: #05070a;
  --panel: #0b1016;
  --line: #1d2a36;
  --ink: #d7e6f0;
  --dim: #64798a;
  --cyan: #00e5ff;
  --green: #38ff9b;
  --red: #ff4d5e;
  --amber: #ffb547;
  --mono: ui-monospace, "SF Mono", "Cascadia Mono", Menlo, Consolas, monospace;
}

* { box-sizing: border-box; }

html, body {
  height: 100%;
  margin: 0;
}

body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--mono);
  font-size: 14px;
  letter-spacing: 0.04em;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

/* Horizontal scanlines over the whole page. Pointer-events off so it never
   eats a click on the controls underneath. */
.scanlines {
  position: fixed;
  inset: 0;
  z-index: 50;
  pointer-events: none;
  background: linear-gradient(
    to bottom,
    rgba(255, 255, 255, 0) 0,
    rgba(255, 255, 255, 0) 50%,
    rgba(0, 0, 0, 0.22) 50%,
    rgba(0, 0, 0, 0.22) 100%
  );
  background-size: 100% 4px;
}

.bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.7rem 1rem;
  border-bottom: 1px solid var(--line);
  background: var(--panel);
  flex: 0 0 auto;
}

.foot {
  border-bottom: 0;
  border-top: 1px solid var(--line);
}

.brand {
  color: var(--cyan);
  font-weight: 700;
  text-shadow: 0 0 6px currentColor;
}

.dim { color: var(--dim); }
.small { font-size: 11px; }

.model {
  font-size: 11px;
  text-transform: uppercase;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  max-width: 55vw;
}

main {
  flex: 1 1 auto;
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
  gap: 1rem;
  padding: 1rem;
  min-height: 0;
}

/* ---- stage ------------------------------------------------------------- */

.stage {
  position: relative;
  min-height: 0;
  border: 1px solid var(--line);
  background: #000;
  display: grid;
  place-items: center;
  overflow: hidden;
}

.stage video,
.stage img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  grid-area: 1 / 1;
  background: #000;
}

.stage video[hidden],
.stage img[hidden] { display: none; }

.placeholder {
  grid-area: 1 / 1;
  text-align: center;
  color: var(--dim);
  z-index: 1;
}

.placeholder p { margin: 0.35rem 0; }
.paw { font-size: 3rem; filter: grayscale(1) opacity(0.5); }

/* Four corner brackets. One element, four spans, no images. */
.reticle {
  position: absolute;
  inset: 12px;
  pointer-events: none;
  z-index: 2;
}

.reticle span {
  position: absolute;
  width: 26px;
  height: 26px;
  border: 2px solid var(--cyan);
  opacity: 0.55;
}

.reticle span:nth-child(1) { top: 0; left: 0; border-right: 0; border-bottom: 0; }
.reticle span:nth-child(2) { top: 0; right: 0; border-left: 0; border-bottom: 0; }
.reticle span:nth-child(3) { bottom: 0; left: 0; border-right: 0; border-top: 0; }
.reticle span:nth-child(4) { bottom: 0; right: 0; border-left: 0; border-top: 0; }

.busy {
  position: absolute;
  inset: 0;
  z-index: 3;
  display: grid;
  place-content: center;
  gap: 1rem;
  justify-items: center;
  background: rgba(5, 7, 10, 0.72);
  color: var(--cyan);
}

.busy[hidden] { display: none; }
.busy p { margin: 0; letter-spacing: 0.25em; font-size: 12px; }

.sweep {
  width: 180px;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--cyan), transparent);
  animation: sweep 1.1s ease-in-out infinite;
}

@keyframes sweep {
  0%, 100% { transform: translateX(-60px); opacity: 0.3; }
  50% { transform: translateX(60px); opacity: 1; }
}

/* ---- readout ----------------------------------------------------------- */

.readout {
  border: 1px solid var(--line);
  background: var(--panel);
  padding: 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
  min-height: 0;
  overflow: auto;
}

.verdict {
  font-size: clamp(1.4rem, 4.2vw, 2.4rem);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: 0.08em;
  color: var(--dim);
  border-left: 4px solid var(--line);
  padding-left: 0.7rem;
}

.rows { margin: 0; display: flex; flex-direction: column; gap: 0.45rem; }

.row {
  display: flex;
  align-items: baseline;
  gap: 0.6rem;
  border-bottom: 1px dotted var(--line);
  padding-bottom: 0.3rem;
}

.row dt { color: var(--dim); font-size: 11px; flex: 0 0 auto; }
.row dd {
  margin: 0 0 0 auto;
  text-align: right;
  /* A long breed name must wrap inside the panel rather than widen it --
     the same overflow bug the full build's telemetry rows had. */
  min-width: 0;
  overflow-wrap: anywhere;
}

.meter {
  height: 6px;
  background: #101923;
  border: 1px solid var(--line);
}

.meter i {
  display: block;
  height: 100%;
  width: 0;
  background: var(--dim);
  /* Width only. Transitioning `background` here left the bar showing the
     PREVIOUS verdict's colour indefinitely -- green under NOT A DOG, red under
     FELINE INTRUSION -- while the verdict text, which has no transition,
     switched immediately. A state indicator should snap to the state; only the
     fill level is worth animating. */
  transition: width 0.5s ease;
}

.note {
  margin: 0;
  color: var(--dim);
  font-size: 11px;
  line-height: 1.6;
}

/* Verdict states. Only the accent colour and the words change. */
.readout[data-state="dog"] .verdict { color: var(--green); border-color: var(--green); text-shadow: 0 0 12px var(--green); }
.readout[data-state="dog"] .meter i { background: var(--green); }

.readout[data-state="notdog"] .verdict { color: var(--red); border-color: var(--red); }
.readout[data-state="notdog"] .meter i { background: var(--red); }

.readout[data-state="cat"] .verdict { color: var(--amber); border-color: var(--amber); animation: glitch 0.18s steps(2) 6; }
.readout[data-state="cat"] .meter i { background: var(--amber); }

.readout[data-state="error"] .verdict { color: var(--amber); border-color: var(--amber); }

@keyframes glitch {
  0% { transform: translateX(0); }
  50% { transform: translateX(-3px); }
  100% { transform: translateX(3px); }
}

/* ---- controls ---------------------------------------------------------- */

.controls {
  flex: 0 0 auto;
  display: flex;
  gap: 0.6rem;
  padding: 0 1rem 1rem;
  flex-wrap: wrap;
}

.btn {
  flex: 1 1 auto;
  min-width: 120px;
  padding: 0.8rem 1rem;
  text-align: center;
  font: inherit;
  letter-spacing: 0.14em;
  color: var(--cyan);
  background: transparent;
  border: 1px solid var(--cyan);
  cursor: pointer;
  transition: background 0.15s ease, color 0.15s ease;
  -webkit-tap-highlight-color: transparent;
}

.btn:hover:not(:disabled) { background: rgba(0, 229, 255, 0.12); }
.btn:active:not(:disabled) { background: rgba(0, 229, 255, 0.25); }

.btn:disabled {
  color: var(--dim);
  border-color: var(--line);
  cursor: not-allowed;
}

.btn.primary {
  background: rgba(0, 229, 255, 0.14);
  font-weight: 700;
}

.btn.primary:disabled { background: transparent; }

/* Stack on a phone: the stage keeps the height it needs, the readout follows,
   and the whole page scrolls rather than the stage collapsing to nothing. */
@media (max-width: 760px) {
  body { overflow: auto; }
  main { grid-template-columns: 1fr; }
  .stage { min-height: 46vh; }
}

@media (prefers-reduced-motion: reduce) {
  .sweep, .readout[data-state="cat"] .verdict { animation: none; }
}