/* Robot Mission Demo - throwaway prototype, fake data only.
   The display adds light: black is transparent, so the page stays black and
   only content is bright. Sizes derive from the viewport (rem follows vmin);
   600 x 600 is the validation target, not a hardcoded size. */

:root {
  --fg: #ffffff;
  --fg2: #c3ced6;
  --fg3: #8b99a3;
  --line: #5d6b75;
  --accent: #4fd8ff;
  --observed: #6dffa8;
  --uncertain: #ffc857;
  --focus-fill: #1b2b35;
  font-size: clamp(12px, 3vmin, 27px); /* 18px at 600 x 600 */
}

* { box-sizing: border-box; }

html, body {
  inline-size: 100%;
  block-size: 100%;
}

body {
  margin: 0;
  min-inline-size: 0;
  overflow: hidden; /* every page is a static single screen; nothing scrolls */
  background: #000;
  color: var(--fg);
  font-family: system-ui, sans-serif; /* the device's own text face; nothing is downloaded */
  line-height: 1.25;
}

[hidden] { display: none !important; }

p { margin: 0; }

.shell {
  display: grid;
  grid-template-rows: minmax(0, 1fr) auto;
  inline-size: 100%;
  block-size: 100%;
  overflow: hidden;
}

.pages {
  min-inline-size: 0;
  min-block-size: 0;
}

.page {
  position: relative;
  inline-size: 100%;
  block-size: 100%;
  min-inline-size: 0;
  min-block-size: 0;
  overflow: hidden;
}

/* ---------- controls and focus ---------- */

button, input {
  font: inherit;
  color: var(--fg);
  background: #000;
  border: 2px solid var(--line);
  border-radius: 0.6rem;
  margin: 0;
}

button {
  padding: 0.3rem 0.8rem;
  cursor: pointer;
}

/* Focus is the browser's own; this only makes it visible (outline plus a
   brighter border and a filled surface, so it is not colour alone). */
button:focus, input:focus {
  outline: 3px solid var(--fg);
  outline-offset: 2px;
  border-color: var(--fg);
  background: var(--focus-fill);
}

button:focus-visible, input:focus-visible {
  outline: 3px solid var(--fg);
  outline-offset: 2px;
}

button:active { background: #36505f; }

.eyebrow {
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--fg3);
}

.demo-tag {
  position: fixed;
  inset-block-start: 0.65rem;
  inset-inline-end: 1rem;
  z-index: 5;
  padding: 0.05rem 0.4rem;
  font-size: 0.72rem;
  color: var(--uncertain);
  background: #000;
  border: 1px solid var(--uncertain);
  border-radius: 0.3rem;
}

/* ---------- 1. Mission ---------- */

.mission {
  display: grid;
  grid-template-rows: auto auto minmax(0, 1fr) auto auto;
  gap: 0.5rem;
  padding: 0.65rem 1rem 0.55rem;
}

.topline {
  padding-inline-end: 5.8rem; /* room for the Demo data tag */
  font-size: 0.89rem;
  color: var(--fg2);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.now {
  font-size: 1.5rem;
  font-weight: 700;
  line-height: 1.15;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.reasoning {
  display: grid;
  align-content: start;
  gap: 0.2rem;
  min-block-size: 0;
  overflow: hidden;
}

.r {
  display: -webkit-box;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.r0 { font-size: 1.17rem; color: var(--fg); -webkit-line-clamp: 2; line-clamp: 2; }
.r1 { font-size: 1rem; color: var(--fg2); -webkit-line-clamp: 2; line-clamp: 2; }
.r2 { font-size: 1rem; color: var(--fg3); -webkit-line-clamp: 2; line-clamp: 2; }

.lower {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 11rem;
  gap: 0.7rem;
  block-size: 11rem;
}

.findings {
  display: grid;
  grid-template-rows: auto repeat(3, minmax(0, 1fr));
  gap: 0.35rem;
  min-inline-size: 0;
  min-block-size: 0;
}

.frow {
  display: grid;
  grid-template-columns: 2.3rem minmax(0, 1fr);
  grid-template-rows: auto auto;
  column-gap: 0.4rem;
  align-content: center;
  align-items: center;
  min-inline-size: 0;
  padding: 0.1rem 0.6rem;
  text-align: start;
}

.fnum {
  grid-row: 1 / span 2;
  font-size: 1.11rem;
  font-weight: 700;
}

.fsub {
  font-size: 0.94rem;
  line-height: 1.2;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.fstat {
  font-size: 0.78rem;
  line-height: 1.2;
  color: var(--observed);
}

.frow.uncertain .fstat { color: var(--uncertain); }

.frow.is-new {
  border-color: var(--accent);
  box-shadow: inset 0 0 0 2px var(--accent);
}

.mapbtn {
  position: relative;
  inline-size: 11rem;
  block-size: 11rem;
  padding: 0;
  overflow: hidden;
}

.mapbtn canvas, .fill canvas {
  position: absolute;
  inset: 0;
  inline-size: 100%;
  block-size: 100%;
  display: block;
}

.actions {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: minmax(0, 1fr);
  gap: 0.7rem;
}

.actions button {
  min-block-size: 2.5rem;
  font-size: 1.05rem;
  font-weight: 700;
}

.toast {
  position: absolute;
  inset-inline: 1rem;
  /* just above the findings block, clear of the newest reasoning line */
  inset-block-end: calc(0.55rem + 2.5rem + 0.5rem + 11rem + 0.6rem);
  padding: 0.5rem 0.8rem;
  font-size: 1.05rem;
  font-weight: 700;
  text-align: center;
  color: var(--fg);
  background: #000;
  border: 2px solid var(--uncertain);
  border-radius: 0.6rem;
}

/* ---------- shared sub-page shell ---------- */

.sub {
  display: grid;
  grid-template-rows: auto minmax(0, 1fr);
  gap: 0.5rem;
  padding: 0.65rem 1rem 0.6rem;
}

.bar {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  min-inline-size: 0;
  padding-inline-end: 5.8rem; /* room for the Demo data tag */
}

.back {
  flex: none;
  padding: 0.25rem 0.7rem;
  font-size: 0.94rem;
}

.bar-title {
  min-inline-size: 0;
  font-size: 0.94rem;
  color: var(--fg2);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.fill {
  position: relative;
  min-inline-size: 0;
  min-block-size: 0;
}

/* ---------- 3. Camera ---------- */

.camera img {
  position: absolute;
  inset: 0;
  inline-size: 100%;
  block-size: 100%;
  object-fit: cover;
  display: block;
}

.cam-top, .cam-bottom {
  position: absolute;
  inset-inline: 1rem;
  display: flex;
  align-items: center;
  gap: 0.7rem;
}

.cam-top { inset-block-start: 0.65rem; padding-inline-end: 5.8rem; }
.cam-bottom { inset-block-end: 0.6rem; }

.cam-bottom button {
  flex: 1 1 0;
  min-inline-size: 0;
  min-block-size: 2.3rem;
  padding-inline: 0.3rem;
  font-size: 0.89rem;
  white-space: nowrap;
}

.cam-bottom #cam-src { flex-grow: 1.6; }

/* The chosen rate is marked by a filled surface and bold text. */
.cam-bottom button[aria-pressed="true"] {
  color: #000;
  background: var(--fg);
  border-color: var(--fg);
  font-weight: 700;
}

.cam-bottom button[aria-pressed="true"]:focus {
  background: var(--accent);
}

.hud {
  padding: 0.15rem 0.45rem;
  font-family: ui-monospace, monospace;
  font-size: 0.72rem;
  line-height: 1.3;
  white-space: pre;
  color: var(--fg);
  background: rgba(0, 0, 0, 0.82);
  border-radius: 0.3rem;
}

/* ---------- 4. Finding ---------- */

.finding-body {
  display: grid;
  grid-template-rows: auto auto auto minmax(0, 1fr);
  gap: 0.4rem;
  min-block-size: 0;
}

.fd-subject {
  font-size: 1.5rem;
  font-weight: 700;
  line-height: 1.15;
}

.fd-status { font-size: 1.05rem; color: var(--observed); }
.fd-status.uncertain { color: var(--uncertain); }
.fd-claim { font-size: 0.94rem; color: var(--fg2); }

/* ---------- 5. New mission ---------- */

.nm-body { min-block-size: 0; }

.nm-step {
  display: grid;
  gap: 0.7rem;
  align-content: start;
}

.nm-label { font-size: 1.17rem; font-weight: 700; }

#nm-input {
  inline-size: 100%;
  padding: 0.5rem 0.7rem;
  font-size: 1.17rem;
}

#nm-input::placeholder { color: var(--fg3); opacity: 1; }

.nm-hint { font-size: 0.89rem; color: var(--uncertain); }

.nm-text {
  padding: 0.5rem 0.7rem;
  font-size: 1.17rem;
  overflow-wrap: anywhere;
  border-inline-start: 3px solid var(--accent);
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 6;
  line-clamp: 6;
  overflow: hidden;
}

/* ---------- diagnostics strip (?debug=0 hides it) ---------- */

.diag {
  margin: 0;
  padding: 0.15rem 0.45rem;
  block-size: calc(4 * 1.3em + 0.3rem + 1px);
  overflow: hidden;
  font-family: ui-monospace, monospace;
  font-size: 2vmin; /* 12px at 600: 80 columns fit */
  line-height: 1.3;
  white-space: pre;
  color: #a8f0c8;
  border-block-start: 1px solid #3a4750;
}