/* === Full App Layout === */
.rpch-app {
  display: flex;
  flex-direction: column;
  height: 100vh;
  width: 100%;
  font-family: "Segoe UI", sans-serif;
  background: #1c1e22;
  color: #f0f0f0;
}

/* Header Menü */
.rpch-header {
  background: #2b2d31;
  padding: 6px;
  display: flex;
  gap: 10px;
  border-bottom: 2px solid #d6ad61;
}
.rpch-header button {
  background: transparent;
  border: none;
  color: #eee;
  font-size: 14px;
  padding: 8px 14px;
  cursor: pointer;
  transition: all .2s;
}
.rpch-header button:hover {
  background: #444;
  color: #d6ad61;
}

/* Main Layout */
.rpch-main {
  display: flex;
  flex: 1;
  overflow: hidden;
}

/* Sidebars */
.rpch-sidebar-left,
.rpch-sidebar-right {
  width: 220px;
  background: #2b2d31;
  padding: 12px;
  overflow-y: auto;
}
.rpch-sidebar-left { border-right: 1px solid #444; }
.rpch-sidebar-right { border-left: 1px solid #444; }

/* Canvas Bereich */
.rpch-canvas {
  flex: 1;
  display: flex;
  justify-content: center;
  align-items: center;
  background: #101114;
}
#rpCanvas {
  background: #fff;
  border: 2px solid #d6ad61;
  border-radius: 4px;
}