* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: #1b1d23;
  color: #e8e8ea;
}

.topbar {
  display: flex;
  align-items: baseline;
  gap: 0.75rem;
  padding: 0.75rem 1.25rem;
  background: #232631;
  border-bottom: 1px solid #343847;
}
.topbar h1 { font-size: 1.15rem; margin: 0; }
.subtitle { color: #9aa0b4; font-size: 0.85rem; }

.layout {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(320px, 0.9fr);
  gap: 1rem;
  padding: 1rem;
  align-items: start;
}

.left-pane, .right-pane { display: flex; flex-direction: column; gap: 0.75rem; }

.toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem;
  background: #232631;
  border: 1px solid #343847;
  border-radius: 8px;
  padding: 0.6rem 0.8rem;
}

button {
  background: #343847;
  color: #e8e8ea;
  border: 1px solid #454a5e;
  border-radius: 6px;
  padding: 0.4rem 0.75rem;
  cursor: pointer;
  font-size: 0.85rem;
}
button:hover:not(:disabled) { background: #454a5e; }
button:disabled { opacity: 0.4; cursor: not-allowed; }
button.primary { background: #3d6ad8; border-color: #3d6ad8; }
button.primary:hover:not(:disabled) { background: #4d7ae6; }

input[type="number"], select {
  background: #15171d;
  color: #e8e8ea;
  border: 1px solid #454a5e;
  border-radius: 6px;
  padding: 0.25rem 0.4rem;
}

.file-upload {
  position: relative;
  background: #343847;
  border: 1px solid #454a5e;
  border-radius: 6px;
  padding: 0.4rem 0.75rem;
  cursor: pointer;
  font-size: 0.85rem;
}
.file-upload input { position: absolute; inset: 0; opacity: 0; cursor: pointer; }
.file-name { color: #9aa0b4; font-size: 0.8rem; }
.time-limit { display: flex; align-items: center; gap: 0.4rem; font-size: 0.85rem; margin-left: auto; }
.time-limit input { width: 4rem; }

#fieldCanvas {
  width: 100%;
  aspect-ratio: 1 / 1;
  background: #0e1015;
  border: 1px solid #343847;
  border-radius: 8px;
}

.transport {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.6rem;
  background: #232631;
  border: 1px solid #343847;
  border-radius: 8px;
  padding: 0.5rem 0.8rem;
  font-size: 0.85rem;
}
.transport #scrubber { flex: 1; min-width: 120px; }
#clockLabel { width: 5.5rem; text-align: right; color: #9aa0b4; }

.status {
  min-height: 1.4rem;
  font-size: 0.85rem;
  padding: 0 0.3rem;
}
.status.error { color: #ff8585; white-space: pre-wrap; }
.status.ok { color: #7fd99a; }
.status.warn { color: #e8c46a; }

.panel {
  background: #232631;
  border: 1px solid #343847;
  border-radius: 8px;
  padding: 0.75rem 0.9rem;
}
.panel h2 { font-size: 0.95rem; margin: 0 0 0.5rem; }
.hint { color: #9aa0b4; font-size: 0.78rem; margin: 0 0 0.6rem; }

.input-group { margin-bottom: 0.7rem; }
.input-group h3 { font-size: 0.8rem; color: #9aa0b4; margin: 0 0 0.35rem; text-transform: uppercase; letter-spacing: 0.04em; }

.axis-row { display: flex; align-items: center; gap: 0.5rem; margin-bottom: 0.35rem; font-size: 0.78rem; }
.axis-row label { width: 3.2rem; color: #cfd2dd; }
.axis-row input[type="range"] { flex: 1; }
.axis-row .val { width: 2.6rem; text-align: right; color: #9aa0b4; }

.sensor-row { display: flex; align-items: center; gap: 0.5rem; margin-bottom: 0.45rem; font-size: 0.8rem; flex-wrap: wrap; }
.sensor-row label { width: 7.2rem; color: #cfd2dd; }
.sensor-row input[type="range"] { flex: 1; min-width: 80px; }
.sensor-row .val { width: 3.4rem; text-align: right; color: #9aa0b4; }

.event-log {
  max-height: 220px;
  overflow-y: auto;
  font-family: ui-monospace, "SF Mono", Consolas, monospace;
  font-size: 0.78rem;
  line-height: 1.5;
}
.event-log .entry { padding: 0.1rem 0.3rem; border-radius: 4px; cursor: pointer; }
.event-log .entry:hover { background: #343847; }
.event-log .entry.note { color: #9aa0b4; }
.event-log .entry.error { color: #ff8585; }
.event-log .entry.active { background: #3d6ad8; color: white; }

.source-view {
  max-height: 320px;
  overflow: auto;
  font-family: ui-monospace, "SF Mono", Consolas, monospace;
  font-size: 0.78rem;
  white-space: pre;
  margin: 0;
}