* { box-sizing: border-box; margin: 0; padding: 0; }

body {
  background: #0d0d14;
  color: #e0e0f0;
  font-family: 'Courier New', monospace;
  font-size: 13px;
  height: 100vh;
  display: grid;
  grid-template-rows: auto 1fr;
  grid-template-columns: 260px 1fr;
  grid-template-areas:
    "header header"
    "sidebar log";
}

header {
  grid-area: header;
  padding: 16px 20px;
  background: #13131f;
  border-bottom: 1px solid #1e1e30;
  display: flex;
  align-items: baseline;
  gap: 16px;
}

h1 { font-size: 0.95rem; color: #a0c4ff; }

#status {
  font-size: 0.8rem;
  color: #555;
}

#status.ok   { color: #6fcf97; }
#status.err  { color: #eb5757; }

/* Sidebar: device list */
#sidebar {
  grid-area: sidebar;
  padding: 16px;
  border-right: 1px solid #1e1e30;
  overflow-y: auto;
}

.section-label {
  font-size: 0.7rem;
  color: #444;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 8px;
}

.device {
  padding: 6px 8px;
  margin-bottom: 4px;
  background: #13131f;
  border: 1px solid #1e1e30;
  color: #888;
  font-size: 0.78rem;
}

.device.active {
  border-color: #6fcf97;
  color: #6fcf97;
}

.device.output { color: #9b8fff; }

.no-devices { color: #333; font-size: 0.78rem; }

/* Log panel */
#log-panel {
  grid-area: log;
  display: flex;
  flex-direction: column;
}

#log-controls {
  padding: 10px 16px;
  border-bottom: 1px solid #1e1e30;
  display: flex;
  gap: 12px;
  align-items: center;
}

button {
  background: #1a1a2a;
  border: 1px solid #2a2a40;
  color: #888;
  padding: 4px 12px;
  cursor: pointer;
  font-family: inherit;
  font-size: 0.78rem;
}
button:hover { background: #22223a; color: #ccc; }

#filter {
  background: #13131f;
  border: 1px solid #2a2a40;
  color: #ccc;
  padding: 4px 10px;
  font-family: inherit;
  font-size: 0.78rem;
}

label { color: #555; font-size: 0.78rem; }

#log {
  flex: 1;
  overflow-y: auto;
  padding: 8px 0;
}

.entry {
  display: grid;
  grid-template-columns: 90px 90px 1fr;
  gap: 0 12px;
  padding: 3px 16px;
  border-bottom: 1px solid #0f0f1a;
  line-height: 1.5;
}
.entry:hover { background: #13131f; }

.time   { color: #444; }
.type   { font-weight: bold; }
.detail { color: #aaa; }

/* color coding by message type */
.type-noteon     { color: #6fcf97; }
.type-noteoff    { color: #4a8f6a; }
.type-cc         { color: #56b4f7; }
.type-pitchbend  { color: #e8a838; }
.type-other      { color: #777; }

#log-count {
  font-size: 0.75rem;
  color: #444;
}