@import url("../../../../../global/ui/elements/numberbox.css");
@import url("../../../../../global/ui/elements/dropzone.css");

:root {
    --anim-speed: 1.6s;
    --grid-unit: calc(var(--nb-box-size) - var(--nb-overlap));
}

body {
    overflow: hidden;
}

.game-container {
    display: flex; 
    flex-direction: column; 
    justify-content: space-between; 
    align-items: center;
    /* Bühnenhöhe unter dem Header (dvh, keine Magic Number). */
    height: var(--stage-height);
    width: 100%;
    background: white;
    padding: 20px 0;
    box-sizing: border-box;
}

/* Platzhalter für die Flugkurve (die Zahlen fliegen ±90% = 0,9 × Box hoch/runter,
   animation-commutativelaw-operators.css). Platz sichern: flex:0 0 auto, damit
   flex-shrink ihn auf engen Schirmen nicht schluckt. */
.anim-spacer {
    flex: 0 0 auto;
    height: calc(var(--nb-box-size) * 0.9);
    width: 100%;
    visibility: hidden;
}

.equation-area {
    display: flex; 
    align-items: center; 
    justify-content: center;
    position: relative;
    width: 100%;
}

/* Überlappung der Boxen */
.equation-area > .nb-box + .nb-box { 
    margin-left: calc(var(--nb-overlap) * -1); 
}

/* Die Dropzone-Box (Slot 3) */
#slot-3.nb-drop-target {
    border: 4px dashed #ccc;
    background: rgba(255,255,255,0.5);
}

.options-container {
    display: flex;
    justify-content: center;
    gap: 20px;
    padding-bottom: 40px;
    width: 100%;
}

.op-symbol {
    font-size: calc(var(--nb-box-size) * 0.6);
    font-weight: 900;
    padding: 0 10px;
    color: #2c3e50;
    /* Nutzt Patrick Hand via font.css */
}