/* Walk-Through-Button + Hinweis */
#walk-button {
    position: fixed;
    left: 20px;
    bottom: 160px;
    z-index: 9998;
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: linear-gradient(135deg, rgba(255, 150, 0, 0.35), rgba(255, 80, 120, 0.35));
    border: 2px solid rgba(255, 170, 60, 0.85);
    color: #fff;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 20px;
    line-height: 1;
    backdrop-filter: blur(6px);
    box-shadow: 0 0 18px rgba(255, 150, 0, 0.4);
    transition: transform 0.15s ease;
    user-select: none;
}
#walk-button span { font-size: 10px; font-weight: 700; letter-spacing: 0.05em; margin-top: 2px; }
#walk-button:hover { transform: scale(1.08); }
#walk-button.active {
    background: linear-gradient(135deg, rgba(255, 150, 0, 0.7), rgba(255, 80, 120, 0.7));
    box-shadow: 0 0 26px rgba(255, 150, 0, 0.7);
}

#walk-hint {
    position: fixed;
    left: 50%;
    bottom: 18px;
    transform: translateX(-50%);
    z-index: 9998;
    padding: 8px 16px;
    border-radius: 20px;
    background: rgba(0, 0, 0, 0.55);
    border: 1px solid rgba(255, 170, 60, 0.5);
    color: rgba(255, 255, 255, 0.94);
    font-family: sans-serif;
    font-size: 13px;
    pointer-events: none;
    max-width: 92vw;
    text-align: center;
}

/* On-Screen-Geh-Steuerkreuz (Walk-Modus) */
#walk-pad {
    position: fixed;
    right: 24px;
    bottom: 96px;
    z-index: 9999;
    display: grid;
    grid-template-columns: 46px 46px 46px;
    grid-template-rows: 46px 46px;
    grid-template-areas: ". gf ." "gl gb gr";
    gap: 6px;
    touch-action: none;
}
.walk-pad-btn {
    width: 46px; height: 46px; border-radius: 12px;
    border: 1px solid rgba(255, 170, 60, 0.6);
    background: rgba(20, 26, 40, 0.6);
    color: #fff; font-size: 18px; cursor: pointer;
    backdrop-filter: blur(6px); user-select: none;
    display: flex; align-items: center; justify-content: center;
}
.walk-pad-btn:hover { background: rgba(255, 150, 0, 0.4); }
.walk-pad-btn:active { background: rgba(255, 150, 0, 0.7); }
.walk-pad-btn.gf { grid-area: gf; }
.walk-pad-btn.gl { grid-area: gl; }
.walk-pad-btn.gb { grid-area: gb; }
.walk-pad-btn.gr { grid-area: gr; }