:root {
  --bg: #f5f7f7;
  --surface: #ffffff;
  --ink: #172126;
  --muted: #627078;
  --line: #d8e0e2;
  --teal: #087f8c;
  --coral: #d85545;
  --gold: #d79b28;
  --green: #3b8b5f;
  --radius: 8px;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  color: var(--ink);
  background:
    linear-gradient(135deg, rgba(8, 127, 140, 0.12), transparent 34%),
    linear-gradient(315deg, rgba(216, 85, 69, 0.09), transparent 34%),
    var(--bg);
}
button, textarea, input { font: inherit; }
button { cursor: pointer; }
.shell { min-height: 100vh; padding: 18px; }
.hero {
  display: grid;
  grid-template-columns: 50px minmax(0, 1fr) auto;
  align-items: center;
  gap: 14px;
  max-width: 1420px;
  margin: 0 auto 16px;
}
.mark {
  width: 50px;
  height: 50px;
  border-radius: var(--radius);
  background:
    radial-gradient(circle at 28% 32%, var(--teal) 0 8px, transparent 9px),
    radial-gradient(circle at 70% 42%, var(--coral) 0 8px, transparent 9px),
    radial-gradient(circle at 50% 72%, var(--gold) 0 7px, transparent 8px),
    var(--surface);
  border: 1px solid var(--line);
  box-shadow: 0 16px 46px rgba(23, 33, 38, 0.12);
}
.eyebrow {
  margin: 0 0 5px;
  color: var(--teal);
  font-size: 0.78rem;
  font-weight: 900;
  letter-spacing: 0;
  text-transform: uppercase;
}
h1, h2, p { margin-top: 0; }
h1 { margin-bottom: 4px; font-size: clamp(1.55rem, 3vw, 2.75rem); line-height: 1.02; }
h2 { margin-bottom: 0; font-size: 1.08rem; }
.subtitle { margin: 0; color: var(--muted); overflow-wrap: anywhere; }
.hero button, .actions button {
  min-height: 40px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  color: var(--ink);
  font-weight: 850;
  padding: 8px 13px;
}
.layout {
  display: grid;
  grid-template-columns: minmax(280px, 430px) minmax(0, 1fr) minmax(260px, 340px);
  gap: 16px;
  max-width: 1420px;
  margin: 0 auto;
}
.task-panel, .atlas-panel, .feed-panel {
  background: rgba(255, 255, 255, 0.94);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: 0 18px 50px rgba(23, 33, 38, 0.10);
  padding: 16px;
}
.scenario {
  min-height: 98px;
  margin: 14px 0;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fbfcfc;
  line-height: 1.55;
}
.capture-box {
  display: grid;
  gap: 5px;
  margin-bottom: 14px;
  padding: 12px;
  border-left: 4px solid var(--green);
  background: #eef8f2;
  border-radius: 0 var(--radius) var(--radius) 0;
}
.capture-box span { color: var(--muted); line-height: 1.45; }
form { display: grid; gap: 11px; }
label { color: var(--muted); font-weight: 800; }
textarea {
  width: 100%;
  resize: vertical;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 11px;
  color: var(--ink);
}
.slider-grid { display: grid; gap: 10px; }
.slider-grid label { display: grid; gap: 5px; }
input[type="range"] { width: 100%; accent-color: var(--teal); }
.check-row {
  display: flex;
  gap: 9px;
  align-items: flex-start;
  font-weight: 650;
}
.check-row input { margin-top: 4px; accent-color: var(--green); }
.actions { display: flex; flex-wrap: wrap; gap: 10px; }
.actions .primary {
  border-color: #066b76;
  background: var(--teal);
  color: #ffffff;
  box-shadow: 0 10px 28px rgba(8, 127, 140, 0.23);
}
canvas {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 1.8;
  margin: 14px 0;
  border-radius: var(--radius);
  background: #101719;
}
.metrics {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
}
.metrics div {
  min-height: 74px;
  padding: 11px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fbfcfc;
}
.metrics b { display: block; font-size: 1.32rem; line-height: 1.05; }
.metrics span { display: block; margin-top: 5px; color: var(--muted); font-size: 0.82rem; font-weight: 800; }
.reflection {
  margin-top: 12px;
  padding: 12px;
  border-radius: var(--radius);
  background: #fff8e8;
  border: 1px solid rgba(215, 155, 40, 0.5);
  color: #5b4210;
  line-height: 1.45;
}
.feed-list {
  display: grid;
  gap: 8px;
  max-height: 520px;
  overflow: auto;
  margin-top: 14px;
}
.feed-item {
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fbfcfc;
}
.feed-item b { display: block; margin-bottom: 4px; font-size: 0.9rem; }
.feed-item span { color: var(--muted); font-size: 0.84rem; line-height: 1.35; }
details {
  margin-top: 12px;
  border-top: 1px solid var(--line);
  padding-top: 12px;
  color: var(--muted);
}
summary { color: var(--ink); font-weight: 850; cursor: pointer; }
@media (max-width: 1100px) {
  .layout { grid-template-columns: minmax(280px, 420px) minmax(0, 1fr); }
  .feed-panel { grid-column: 1 / -1; }
}
@media (max-width: 760px) {
  .shell { padding: 12px; }
  .hero { grid-template-columns: 50px minmax(0, 1fr); align-items: start; }
  .hero button { grid-column: 1 / -1; justify-self: start; }
  .layout, .metrics { grid-template-columns: 1fr; }
}