#app {
  display: grid;
  grid-template-columns: var(--panel-w) 1fr;
  grid-template-rows: 48px 1fr var(--tray-h);
  height: 100vh;
}

#header {
  grid-column: 1 / -1;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 0 16px;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
}

#header .logo-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #fe7200;
  flex-shrink: 0;
}

#header h1 {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.04em;
  /* text-transform: uppercase; */
}

#header .sub {
  font-size: 12px;
  font-weight: 400;
  color: var(--text-hint);
  margin-left: 2px;
}

#header .spacer {
  flex: 1;
}

#header .hint {
  font-size: 11px;
  color: var(--text-hint);
}

/* Mobile */

@media (max-width: 640px) {

  #app {
    display: flex;
    flex-direction: column;
    height: 100dvh;
    overflow: hidden;
  }

  #header {
    display: none;
  }

  #panel {
    flex-shrink: 0;
  }

  #viewport {
    flex: 1;
    min-height: 0;
  }

  #tray {
    flex-shrink: 0;
    height: var(--tray-h);
  }
}