:root {
  color-scheme: dark;
  --paper: #07101d;
  --ink: #eaf4ff;
  --muted: #91a5bb;
  --line: #263b52;
  --panel: #0c1828;
  --blue: #48b8dd;
  --red: #ef665f;
  --green: #58d68d;
  --amber: #f1ad45;
}

body {
  background: #050b14;
  background-image: linear-gradient(rgba(72, 184, 221, 0.035) 1px, transparent 1px), linear-gradient(90deg, rgba(72, 184, 221, 0.035) 1px, transparent 1px);
  background-size: 28px 28px;
}

.app-shell { width: min(1440px, calc(100% - 2rem)); }
.topbar { border-color: var(--line); }
.topbar h1 { text-transform: uppercase; letter-spacing: 0.015em; }
.eyebrow, .status-cluster { color: var(--blue); }
.status-cluster span { border-left: 2px solid var(--blue); padding-left: 0.6rem; }

.pipeline-strip {
  display: grid;
  grid-template-columns: repeat(5, minmax(130px, 1fr));
  overflow-x: auto;
  border: 1px solid var(--line);
  background: #091423;
  clip-path: polygon(10px 0, 100% 0, 100% calc(100% - 10px), calc(100% - 10px) 100%, 0 100%, 0 10px);
}
.pipeline-strip > div { min-width: 0; padding: 0.72rem 0.78rem; border-right: 1px solid var(--line); }
.pipeline-strip > div:last-child { border-right: 0; }
.pipeline-strip span, .pipeline-strip strong, .pipeline-strip small { display: block; }
.pipeline-strip span { margin-bottom: 0.25rem; color: var(--amber); font-size: 0.62rem; font-weight: 900; letter-spacing: 0.12em; }
.pipeline-strip strong { color: var(--ink); font-size: 0.68rem; letter-spacing: 0.08em; }
.pipeline-strip small { margin-top: 0.18rem; color: var(--muted); font-size: 0.67rem; line-height: 1.25; }

.dual-view { display: grid; grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr); gap: 1rem; margin: 1rem 0; }
.panel { min-width: 0; border: 1px solid var(--line); background: var(--panel); clip-path: polygon(12px 0, 100% 0, 100% calc(100% - 12px), calc(100% - 12px) 100%, 0 100%, 0 12px); }
.panel-heading { display: flex; justify-content: space-between; gap: 0.5rem; padding: 0.68rem 0.78rem; border-bottom: 1px solid var(--line); color: var(--blue); font-size: 0.69rem; font-weight: 850; letter-spacing: 0.1em; }
.game-panel .game-frame { margin: 0; border: 0; background: #030914; }
.game-panel .game-frame > canvas { height: min(60vh, 620px); min-height: 450px; cursor: default; }
.canvas-hud span { border-color: #38516a; background: rgba(5, 12, 22, 0.84); color: #b9cbe0; }
.canvas-hud strong { color: #79d9f4; }
.start-card { border: 1px solid #45637e; background: rgba(7, 16, 29, 0.95); clip-path: polygon(14px 0, 100% 0, 100% calc(100% - 14px), calc(100% - 14px) 100%, 0 100%, 0 14px); }
.start-card p:not(.eyebrow) { color: #a9bbce; }

button { border: 1px solid #5dd4f0; background: #153d54; color: #edfaff; clip-path: polygon(7px 0, 100% 0, 100% calc(100% - 7px), calc(100% - 7px) 100%, 0 100%, 0 7px); }
button:hover:not(:disabled), button:focus-visible:not(:disabled) { background: #256481; }
button.secondary { border-color: #51677e; color: #c8d6e5; }

.retina-row { display: flex; align-items: center; justify-content: space-between; gap: 1rem; padding: 0.72rem 0.78rem; border-top: 1px solid var(--line); background: #091423; }
.retina-row > div { display: grid; gap: 0.2rem; }
.retina-label { color: var(--blue); font-size: 0.68rem; font-weight: 850; letter-spacing: 0.1em; }
.retina-row small { color: var(--muted); font-size: 0.7rem; }
.retina-row canvas { width: 192px; height: 108px; min-height: 0; image-rendering: pixelated; border: 1px solid #45637e; background: #030914; }
.sensor-previews { display: flex !important; align-items: flex-end; gap: 0.7rem; }
.brain-preview-wrap { display: grid; gap: 0.25rem; }
.brain-preview-wrap .retina-label { font-size: 0.59rem; }
#brain-view { width: 192px; height: 108px; overflow: hidden; border: 1px solid #45637e; background: #030914; }
#brain-view canvas { width: 100%; height: 100%; display: block; image-rendering: auto; }
.retinal-diagnostic { min-width: 13rem; align-self: end; padding: 0.5rem 0.6rem; border-left: 2px solid var(--amber); background: #071321; }
.retinal-diagnostic small { display: block; max-width: 18rem; color: #c7d5e4; font-size: 0.65rem; line-height: 1.35; font-variant-numeric: tabular-nums; }

.fly-view { position: relative; height: min(60vh, 620px); min-height: 450px; background: #07111e; }
.fly-view::after { content: "MICRO-CT BODY / ARTICULATED DISPLAY"; position: absolute; left: 0.75rem; bottom: 0.65rem; color: #7290aa; font-size: 0.6rem; font-weight: 800; letter-spacing: 0.1em; pointer-events: none; }
.fly-view canvas { width: 100%; height: 100%; display: block; }
.fly-fallback { display: grid; place-content: center; gap: 0.5rem; height: 100%; padding: 2rem; color: var(--muted); text-align: center; }
.fly-fallback strong { color: var(--ink); }
.activity-legend { display: flex; align-items: center; flex-wrap: wrap; gap: 0.75rem 1rem; padding: 0.55rem 0.75rem; border-top: 1px solid var(--line); background: #07101d; color: #b8c8d8; font-size: 0.62rem; font-weight: 800; letter-spacing: 0.06em; }
.activity-legend span { display: inline-flex; align-items: center; gap: 0.35rem; }
.activity-legend i { width: 0.52rem; height: 0.52rem; border-radius: 50%; }
.activity-legend small { width: 100%; color: #71869b; font-size: 0.62rem; font-weight: 500; letter-spacing: 0; }
.legend-visual { background: #42c7ef; }
.legend-motor { background: #f2aa45; }
.legend-reward { background: #64df90; }

.neural-readout { display: grid; grid-template-columns: 1fr 1fr; column-gap: 0.9rem; padding: 0.75rem; border-top: 1px solid var(--line); background: #091423; }
.readout-heading, .neural-readout p { grid-column: 1 / -1; }
.readout-heading { display: flex; justify-content: space-between; gap: 0.5rem; margin-bottom: 0.45rem; color: var(--blue); font-size: 0.67rem; font-weight: 850; letter-spacing: 0.09em; }
.neuron-row { display: grid; grid-template-columns: 5.2rem 1fr; align-items: center; gap: 0.45rem; margin: 0.24rem 0; color: #9eb0c2; font-size: 0.63rem; font-weight: 800; letter-spacing: 0.05em; }
.neuron-track { height: 0.46rem; background: #1b2a3b; }
.neuron-track i { display: block; width: 0%; height: 100%; background: var(--blue); transition: width 80ms linear; }
.spontaneous-track i { background: var(--amber); }
.limb-track i { background: #b08bf0; }
.dopamine-track i { background: var(--green); }
.neural-readout p { margin: 0.6rem 0 0; color: var(--muted); font-size: 0.72rem; }

.control-panel { display: grid; grid-template-columns: minmax(230px, 0.78fr) minmax(0, 1.22fr); align-items: start; gap: 1.35rem 1.5rem; border-color: var(--line); padding: 1.35rem 0 1.5rem; }
.control-overview, .control-actions { min-width: 0; }
.control-overview { display: grid; align-content: start; gap: 1.1rem; }
.control-actions { display: grid; align-content: start; gap: 0.9rem; }
.control-actions .button-row { margin-left: 0; }
.primary-actions { padding-bottom: 0.1rem; }
.control-copy p, .control-list, footer { color: var(--muted); }
.control-list { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0.55rem 1.1rem; }
.control-list span { position: relative; padding-left: 0.9rem; }
.control-list span::before { content: ""; position: absolute; left: 0; top: 0.48em; width: 0.34rem; height: 0.34rem; background: var(--blue); }
.training-jump { display: flex; align-items: center; justify-content: space-between; gap: 1rem; margin: 0; padding: 0.9rem 0 0; border-top: 1px solid var(--line); }
.course-choice { display: grid; gap: 0.28rem; margin: 0; padding: 0.9rem 0 0; border-top: 1px solid var(--line); }
.course-choice label { color: var(--blue); font-size: 0.65rem; font-weight: 850; letter-spacing: 0.09em; }
.course-choice select { max-width: 30rem; min-height: 2rem; border: 1px solid #45637e; background: #091423; color: var(--ink); font: inherit; padding: 0.25rem 0.45rem; }
.course-choice small { color: var(--muted); font-size: 0.72rem; }
.training-jump > div:first-child { display: grid; gap: 0.2rem; }
.training-jump strong { color: var(--blue); font-size: 0.65rem; letter-spacing: 0.09em; }
.training-jump small { color: var(--muted); font-size: 0.72rem; }
.button-row.compact { margin: 0; }
.button-row.compact button { padding: 0.55rem 0.75rem; font-size: 0.72rem; }
.training-graph { grid-column: 1 / -1; margin-top: 0.1rem; padding-top: 1.25rem; border-top: 1px solid var(--line); }
.training-graph-heading { display: flex; justify-content: space-between; gap: 1rem; color: var(--blue); font-size: 0.65rem; font-weight: 850; letter-spacing: 0.09em; }
.training-graph-heading span { color: var(--muted); font-weight: 600; letter-spacing: 0.04em; }
.training-graph-controls { display: flex; align-items: end; flex-wrap: wrap; gap: 0.5rem; margin-top: 0.55rem; color: var(--muted); font-size: 0.61rem; font-weight: 800; letter-spacing: 0.06em; }
.training-graph-controls label { display: grid; gap: 0.22rem; }
.training-graph-controls select, .training-graph-controls input { min-height: 1.9rem; border: 1px solid #45637e; background: #091423; color: var(--ink); font: inherit; letter-spacing: 0; padding: 0.25rem 0.4rem; }
.training-graph-controls select { min-width: 11rem; }
.training-graph-controls input { width: 4.3rem; }
.training-graph-controls button { min-height: 1.9rem; padding: 0.35rem 0.6rem; font-size: 0.63rem; }
.training-graph-visibility { display: flex; align-items: center; flex-wrap: wrap; gap: 0.7rem; margin-top: 0.55rem; color: var(--muted); font-size: 0.61rem; font-weight: 800; letter-spacing: 0.06em; }
.training-graph-visibility label { display: inline-flex; align-items: center; gap: 0.3rem; cursor: pointer; letter-spacing: 0.02em; }
.training-graph-visibility input { accent-color: var(--blue); }
.training-stats { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 0.45rem; margin-top: 0.65rem; }
.training-stats div { display: flex; align-items: baseline; justify-content: space-between; gap: 0.35rem; padding: 0.38rem 0.45rem; border: 1px solid #1c3c56; background: #071321; }
.training-stats span { color: var(--muted); font-size: 0.55rem; font-weight: 800; letter-spacing: 0.045em; }
.training-stats strong { color: var(--ink); font-size: 0.78rem; font-variant-numeric: tabular-nums; }
#training-graph { display: block; width: 100%; height: 280px; margin-top: 0.65rem; border: 1px solid #45637e; background: #030914; }
#training-graph:focus-visible { outline: 2px solid var(--blue); outline-offset: 2px; }
.graph-probe { min-height: 1.7rem; margin-top: 0.4rem; padding: 0.38rem 0.5rem; border-left: 2px solid var(--blue); background: #071321; color: var(--ink); font-size: 0.64rem; font-weight: 800; letter-spacing: 0.04em; font-variant-numeric: tabular-nums; }
.graph-legend { display: flex; flex-wrap: wrap; gap: 0.75rem 1rem; margin-top: 0.4rem; color: var(--muted); font-size: 0.62rem; font-weight: 800; letter-spacing: 0.06em; }
.graph-legend span { display: inline-flex; align-items: center; gap: 0.35rem; }
.graph-legend i { width: 0.5rem; height: 0.5rem; border-radius: 50%; }
.graph-rings { background: var(--green); }
.graph-rings-average { width: 0.8rem !important; height: 2px !important; border-radius: 0 !important; background: #b4f3ca; }
.graph-stationary { background: var(--green); }
.graph-randomized { background: #7bd7ff; border-radius: 0 !important; transform: rotate(45deg); }
.graph-shot-stationary { background: #f1ad45; }
.graph-shot-randomized { background: #ef72bd; border-radius: 0 !important; transform: rotate(45deg); }
.graph-shots { background: var(--amber); }
.graph-shots-average { width: 0.8rem !important; height: 2px !important; border-radius: 0 !important; background: #ffd27b; }
footer a { color: var(--blue); text-decoration: underline; text-underline-offset: 0.18em; }
footer a:hover, footer a:focus-visible { color: var(--ink); }

@media (max-width: 1020px) {
  .dual-view { grid-template-columns: 1fr; }
  .control-panel { grid-template-columns: 1fr; }
  .game-panel .game-frame > canvas, .fly-view { height: 58vh; min-height: 400px; }
}

@media (max-width: 620px) {
  .neural-readout { grid-template-columns: 1fr; }
  .readout-heading, .neural-readout p { grid-column: 1; }
  .retina-row { align-items: flex-start; flex-direction: column; }
  .sensor-previews { align-items: flex-start !important; flex-wrap: wrap; }
  .training-jump { align-items: flex-start; flex-direction: column; }
  .training-graph-heading { align-items: flex-start; flex-direction: column; gap: 0.25rem; }
  .control-list { grid-template-columns: 1fr; }
  .training-stats { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}