body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
}

.container {
    display: flex;
    height: 100vh;
}

.sidebar {
    width: 250px;
    background-color: #f0f0f0;
    padding: 20px;
    overflow-y: auto;
}

.main-content {
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

#designArea {
    flex-grow: 1;
    position: relative;
    border: 1px solid #ccc;
    margin: 10px;
    overflow: auto;
}

.toolbar {
    padding: 10px;
    background-color: #e0e0e0;
}

button {
    margin: 5px;
    padding: 5px 10px;
}

.pap-element {
    position: absolute;
    padding: 10px;
    border-radius: 5px;
    cursor: move;
    user-select: none;
}

.pap-element.input { background-color: #a8d8ff; }
.pap-element.output { background-color: #a8ffd8; }
.pap-element.process { background-color: #ffffa8; }
.pap-element.subroutine { background-color: #ffa8ff; }
.pap-element.decision { background-color: #ffd8a8; }
.pap-element.loop { background-color: #d8ffa8; }
.pap-element.comment { background-color: #d8d8d8; }

#designArea {
    position: relative;
    border: 1px solid #ccc;
    overflow: hidden;
}

canvas {
    z-index: 0;
}

.pap-element {
    z-index: 1;
}

#designArea {
    flex-grow: 1;
    position: relative;
    border: 1px solid #ccc;
    margin: 10px;
    overflow: hidden;
    background-size: 20px 20px;
    background-image: none; /* Standard ohne Raster */
}

#designArea.grid-enabled {
    background-image: linear-gradient(to right, #ddd 1px, transparent 1px),
                      linear-gradient(to bottom, #ddd 1px, transparent 1px);
}

#connectionsCanvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none; /* Nur für visuelle Verbindungen */
}

.pap-element {
    position: absolute;
    padding: 10px;
    border-radius: 5px;
    cursor: move;
    user-select: none;
    transition: all 0.1s ease-in-out;
}

.pap-element.input { background-color: #a8d8ff; }
.pap-element.output { background-color: #a8ffd8; }
.pap-element.process { background-color: #ffffa8; }
.pap-element.subroutine { background-color: #ffa8ff; }
.pap-element.decision { background-color: #ffd8a8; }
.pap-element.loop { background-color: #d8ffa8; }
.pap-element.comment { background-color: #d8d8d8; }



.connection-point {
    width: 10px;
    height: 10px;
    background-color: #000;
    border-radius: 50%;
    position: absolute;
    transform: translate(-50%, -50%);
}
.connection-point.left { left: 0; top: 50%; }
.connection-point.right { right: 0; top: 50%; }

.pap-element {
    position: absolute;
    width: 120px;
    height: 80px;
    background-color: #007acc; /* Modernes Blau */
    color: white;
    font-family: Arial, sans-serif;
    font-size: 14px;
    text-align: center;
    line-height: 80px;
    border-radius: 10px; /* Abgerundete Ecken */
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.2); /* Schatten */
    cursor: grab;
    overflow: hidden;
    user-select: none; /* Text nicht auswählbar */
    border: 2px solid transparent;
    transition: all 0.2s ease-in-out;
}

.pap-element:hover {
    border: 2px solid #005fa3; /* Hover-Effekt */
    transform: translateY(-2px); /* Leichte Bewegung */
}

.pap-element .connection-point {
    position: absolute;
    width: 12px;
    height: 12px;
    background-color: white;
    border: 2px solid #007acc; /* Gleiche Farbe wie Kachel */
    border-radius: 50%;
    cursor: crosshair; /* Zeigt Verbindungsabsicht */
    transition: transform 0.2s;
}

.pap-element .connection-point:hover {
    transform: scale(1.2); /* Vergrößerung bei Hover */
}

.pap-element .connection-point.left { left: -6px; top: 50%; transform: translateY(-50%); }
.pap-element .connection-point.right { right: -6px; top: 50%; transform: translateY(-50%); }
.pap-element .connection-point.top { top: -6px; left: 50%; transform: translateX(-50%); }
.pap-element .connection-point.bottom { bottom: -6px; left: 50%; transform: translateX(-50%); }

.context-menu {
    position: absolute;
    display: none;
    background-color: white;
    border: 1px solid gray;
    z-index: 1000;
    box-shadow: 2px 2px 5px rgba(0, 0, 0, 0.5);
    border-radius: 4px;
    padding: 10px;
    list-style: none;
    font-family: Arial, sans-serif;
}

.context-menu li {
    padding: 5px 10px;
    cursor: pointer;
    transition: background-color 0.2s ease-in-out;
}

.context-menu li:hover {
    background-color: #f0f0f0;
}