:root {
  color-scheme: dark;
  font-family:
    Inter,
    system-ui,
    -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    sans-serif;
  color: #e7edf7;
  background: #0a0f17;
  font-synthesis: none;
}
* {
  box-sizing: border-box;
}
body {
  margin: 0;
}
button,
a {
  -webkit-tap-highlight-color: transparent;
}
button {
  font: inherit;
  cursor: pointer;
  color: #ced8e7;
  background: #182231;
  border: 1px solid #2a3648;
  border-radius: 9px;
  padding: 10px 14px;
  transition:
    background 0.15s,
    border-color 0.15s;
}
button:hover {
  background: #23314a;
  border-color: #5a7ba8;
}
button:focus-visible,
a:focus-visible,
summary:focus-visible {
  outline: 2px solid #83a7ff;
  outline-offset: 3px;
}
button:disabled {
  cursor: wait;
  opacity: 0.5;
}
.primary {
  background: #4f7cff;
  color: #fff;
  border-color: #4f7cff;
  font-weight: 700;
}
header {
  height: 64px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 24px;
  border-bottom: 1px solid #222d3f;
}
.brand {
  color: #fff;
  text-decoration: none;
  font-weight: 800;
  letter-spacing: 0.08em;
}
.brand span {
  font-size: 0.8rem;
  letter-spacing: 0;
  font-weight: 400;
  color: #7f90a8;
}
.header-actions {
  display: flex;
  gap: 8px;
}
.header-actions button {
  font-size: 0.75rem;
  padding: 7px 10px;
}
main {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 300px;
  height: calc(100vh - 64px);
  min-height: 620px;
}
.viewport {
  position: relative;
  overflow: hidden;
  background: #e8e9ec;
}
#scene {
  width: 100%;
  height: 100%;
  display: block;
  touch-action: none;
}
.scene-top,
.scene-bottom {
  position: absolute;
  left: 20px;
  right: 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  pointer-events: none;
  font-size: 0.7rem;
  color: #5d6c82;
}
.scene-top {
  top: 18px;
}
.scene-bottom {
  bottom: 18px;
}
.live-pill {
  display: flex;
  align-items: center;
  gap: 7px;
  background: #0a1424c7;
  border: 1px solid #3b4d6566;
  padding: 7px 10px;
  border-radius: 20px;
  font-size: 0.6rem;
  font-weight: 700;
  letter-spacing: 0.1em;
}
.live-pill i {
  width: 6px;
  height: 6px;
  background: #6bd4ae;
  border-radius: 100%;
}
.fpv-label {
  position: absolute;
  right: 26px;
  top: 66px;
  font-size: 0.6rem;
  padding: 5px 8px;
  background: #09121ace;
  border-radius: 5px;
  pointer-events: none;
  z-index: 2;
  display: none;
}
.controls {
  padding: 25px 22px;
  background: #0e1520;
  border-left: 1px solid #263245;
  overflow: auto;
}
.eyebrow {
  font-size: 0.62rem;
  color: #86a5d9;
  font-weight: 800;
  letter-spacing: 0.14em;
}
.controls h2 {
  font-size: 1.25rem;
  line-height: 1.3;
  margin: 9px 0;
}
.intro {
  font-size: 0.8rem;
  line-height: 1.7;
  color: #99a9bf;
  margin-bottom: 20px;
}
.scene-switch {
  display: flex;
  gap: 6px;
  margin-bottom: 15px;
}
.scene-switch button {
  flex: 1;
  font-size: 0.72rem;
  padding: 9px 5px;
}
.scene-switch button.active {
  background: #20345a;
  border-color: #4f7cff;
  color: #fff;
}
.task-actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 7px;
}
.task-actions button {
  font-size: 0.72rem;
  text-align: left;
  line-height: 1.4;
  padding: 11px 10px;
}
.chain-action {
  grid-column: 1/-1;
  color: #b9d0ff;
}
.status-card {
  background: #151f2f;
  border: 1px solid #2a3a53;
  border-radius: 12px;
  padding: 15px;
  margin: 22px 0 13px;
}
.status-label {
  font-size: 0.58rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  color: #7c92b3;
}
.status-card strong {
  display: block;
  color: #a9c3ff;
  font-size: 0.95rem;
  margin: 9px 0;
  letter-spacing: 0.04em;
}
.status-card p {
  font-size: 0.73rem;
  line-height: 1.6;
  color: #acbdd4;
  margin: 0;
}
.status-details {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  border-top: 1px solid #2a3a53;
  padding-top: 10px;
  margin-top: 12px;
  font-size: 0.58rem;
  color: #7b91b0;
}
.transport {
  display: flex;
  gap: 8px;
}
.transport button {
  flex: 1;
  font-size: 0.75rem;
}
.help {
  font-size: 0.73rem;
  color: #9cacc1;
  margin: 20px 0;
}
.help summary {
  cursor: pointer;
}
.help p {
  line-height: 2.3;
}
kbd {
  display: inline-block;
  font-family: inherit;
  font-size: 0.62rem;
  background: #223047;
  border-radius: 4px;
  padding: 0 5px;
  margin: 0 2px;
  color: #b2c1d6;
}
.footnote {
  font-size: 0.64rem;
  color: #687e9d;
  line-height: 1.7;
}
.loading {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  background: #101a2bc9;
  backdrop-filter: blur(4px);
  z-index: 3;
}
.loading[hidden] {
  display: none;
}
.loading-card {
  max-width: 430px;
  margin: 24px;
  text-align: left;
}
.loading h1 {
  font-size: clamp(2rem, 4vw, 3.4rem);
  line-height: 1.08;
  letter-spacing: -0.045em;
  margin: 14px 0 22px;
}
.loading p {
  color: #a6b7d1;
  line-height: 1.7;
  font-size: 0.9rem;
}
.loading .primary {
  margin-top: 10px;
  padding: 13px 20px;
}
.loading .load-note {
  font-size: 0.7rem;
  max-width: 350px;
  margin-top: 16px;
}
progress {
  width: 100%;
  height: 6px;
  accent-color: #4f7cff;
}
.loading-card.is-error h1 {
  font-size: 2rem;
}
.loading-card.is-error .load-note {
  color: #ffb7ad;
}
.task-actions button.active {
  border-color: #4f7cff;
  background: #213456;
}
.task-actions button:disabled {
  opacity: 0.45;
}
@media (max-width: 850px) {
  main {
    grid-template-columns: 1fr;
    height: auto;
    min-height: 0;
  }
  .viewport {
    height: 65vh;
    min-height: 400px;
  }
  .controls {
    border-left: 0;
    border-top: 1px solid #263245;
  }
  .task-actions {
    grid-template-columns: repeat(4, 1fr);
  }
  .chain-action {
    grid-column: 1/-1;
  }
  .controls .status-card {
    margin-top: 16px;
  }
  header {
    padding: 0 14px;
  }
}
@media (max-width: 500px) {
  .header-actions button {
    font-size: 0.62rem;
  }
  .task-actions {
    grid-template-columns: 1fr 1fr;
  }
  .viewport {
    min-height: 360px;
  }
  .loading h1 {
    font-size: 2.4rem;
  }
}

.yaw-readout {
  position: absolute;
  left: 20px;
  bottom: 52px;
  padding: 8px 12px;
  border-radius: 8px;
  background: rgba(9, 17, 29, 0.85);
  color: white;
  font-size: 12px;
  pointer-events: none;
}

.setup-card,
.waypoint-editor {
  border: 1px solid #2b3c54;
  border-radius: 10px;
  padding: 12px;
  margin: 14px 0;
  font-size: 0.72rem;
}
.setup-card label,
.waypoint-editor label {
  display: block;
  color: #b4c3d8;
  margin-bottom: 6px;
}
.setup-card select,
.coordinate-inputs input {
  color: white;
  background: #162234;
  border: 1px solid #3b5070;
  border-radius: 6px;
  width: 100%;
  padding: 8px;
  font: inherit;
}
.box-targets {
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
  margin-top: 9px;
}
.box-targets button {
  font-size: 0.65rem;
  padding: 7px;
  flex: 1;
}
.box-targets button.active,
[data-task="walk"].active {
  border-color: #72a1ff;
  background: #263e68;
}
.editor-heading {
  display: flex;
  flex-direction: column;
  gap: 5px;
  margin-bottom: 10px;
}
.editor-heading span,
.waypoint-editor p {
  color: #91a8c6;
  font-size: 0.66rem;
  line-height: 1.6;
}
.coordinate-inputs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}
.waypoint-editor input[type="range"] {
  width: 100%;
  accent-color: #74a6ff;
  margin: 0 0 10px;
}
.waypoint-editor output {
  float: right;
  color: white;
}

[hidden] {
  display: none !important;
}
main {
  grid-template-columns: minmax(0, 1fr) 330px;
}
[data-task="walk"] {
  grid-column: 1 / -1;
  text-align: left;
  background: linear-gradient(120deg, #263247, #1b2435);
}
.controls {
  background: #101722;
  padding: 24px 20px;
}
.setup-card,
.waypoint-editor {
  background: #131d2b;
  border-color: #2a3547;
  border-radius: 12px;
}
.box-targets button.active,
[data-task="walk"].active {
  border-color: #a89dcc;
  background: #302e47;
}
.waypoint-editor input[type="range"] {
  accent-color: #b6acdd;
}
.yaw-readout {
  border: 1px solid #ffffff12;
  color: #c8d4e6;
  border-radius: 12px;
  backdrop-filter: blur(12px);
  font-size: 11px;
}
@media (max-width: 850px) {
  main {
    grid-template-columns: 1fr;
  }
}

[data-task="carry"] {
  grid-column: 1 / -1;
  text-align: left;
}
[data-task="carry"].active {
  border-color: #a89dcc;
  background: #302e47;
}
[data-task="carry"]:disabled {
  cursor: default;
}

/* Object choices use quiet illustrated tiles, sharing one selected indicator. */
.setup-card {
  border: 0;
  padding: 0;
  background: transparent;
  margin: 20px 0;
}
.setup-card > label {
  font-size: 0.62rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: #8294ac;
  margin-bottom: 12px;
}
.box-targets {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 6px;
  margin-top: 12px;
}
.box-targets button {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 3px;
  padding: 10px 3px 12px;
  border: 1px solid transparent;
  border-radius: 10px;
  background: #ffffff03;
  min-width: 0;
}
.box-targets button:hover {
  background: #ffffff08;
  border-color: transparent;
}
.box-targets button.active {
  background: #ffffff07;
  border-color: transparent;
}
.box-targets button.active::after {
  content: "";
  position: absolute;
  height: 2px;
  left: 20%;
  right: 20%;
  bottom: 0;
  background: #b6acdd;
  border-radius: 2px;
}
.box-targets svg {
  width: 28px;
  height: 39px;
  margin-bottom: 3px;
  filter: drop-shadow(0 4px 4px #0004);
}
.object-name {
  color: #d7dfea;
  font-size: 0.69rem;
  font-weight: 550;
}
.object-surface {
  color: #7e91aa;
  font-size: 0.59rem;
}
.layout-options {
  display: flex;
  border-bottom: 1px solid #ffffff10;
}
.layout-options button {
  flex: 1;
  border: 0;
  border-radius: 0;
  background: transparent;
  font-size: 0.68rem;
  padding: 8px 4px 10px;
  color: #8397b2;
}
.layout-options button:hover {
  color: white;
}
.layout-options button.active {
  color: #e1e6ee;
  box-shadow: inset 0 -2px #9faed0;
}

/* Optional local full-precision model picker (in the launch card). */
.local-model { margin-top: .9rem; text-align: left; }
.local-model summary { cursor: pointer; color: #9fb6cc; font-weight: 600; font-size: .78rem; list-style: none; }
.local-model summary::-webkit-details-marker { display: none; }
.local-model summary::before { content: "▸ "; color: #6f8296; }
.local-model[open] summary::before { content: "▾ "; }
.local-model-hint { color: #90a3b7; font-size: .72rem; line-height: 1.55; margin: .45rem 0 .55rem; }
.local-model-hint code { background: rgba(255,255,255,.09); padding: 0 .3em; border-radius: 3px; font-size: .95em; }
.local-model input[type="file"] { font-size: .72rem; color: #cdd8e4; max-width: 100%; }
#local-model-status { display: block; margin-top: .45rem; font-size: .72rem; color: #62d6b4; line-height: 1.5; }

.load-default-note { color: #7f93a8; font-size: .74rem; margin: .5rem 0 0; }
.local-model-actions { display: flex; gap: .5rem; margin-top: .5rem; flex-wrap: wrap; }
.local-model-actions button {
  font: inherit; font-size: .74rem; font-weight: 600; padding: .35rem .7rem;
  border-radius: 7px; border: 1px solid rgba(255,255,255,.18);
  background: rgba(255,255,255,.06); color: #cdd8e4; cursor: pointer;
}
.local-model-actions button:disabled { opacity: .45; cursor: default; }
.local-model-actions button#local-model-apply:not(:disabled) {
  background: #3f6ea8; border-color: #4f80bd; color: #fff;
}