.lmcptetris-shell {
    background: radial-gradient(circle at 20% 20%, rgba(56, 189, 248, 0.12), rgba(15, 23, 42, 0.95));
    border: 1px solid rgba(56, 189, 248, 0.25);
    border-radius: 12px;
    padding: 12px;
    color: #e5e7eb;
    font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    max-width: 420px;
    margin: 0 auto;
    box-shadow: 0 12px 35px rgba(0, 0, 0, 0.35);
    overflow: hidden;
}

.lmcptetris-topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    margin-bottom: 10px;
    flex-wrap: wrap;
}

.lmcptetris-label {
    font-size: 14px;
    background: rgba(255, 255, 255, 0.04);
    padding: 6px 10px;
    border-radius: 8px;
    border: 1px solid rgba(56, 189, 248, 0.25);
}

.lmcptetris-btn {
    background: linear-gradient(90deg, #14f1ff, #ff5fb8);
    color: #0b1222;
    border: none;
    padding: 8px 12px;
    border-radius: 8px;
    cursor: pointer;
    font-weight: 700;
    transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.lmcptetris-btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 8px 18px rgba(20, 241, 255, 0.25);
}

.lmcptetris-stage {
    display: grid;
    grid-template-columns: auto 110px;
    gap: 12px;
    align-items: start;
}

.lmcptetris-stage canvas {
    display: block;
    background: #0b1222;
    border-radius: 10px;
    border: 1px solid rgba(56, 189, 248, 0.2);
    box-shadow: inset 0 0 10px rgba(0, 0, 0, 0.4);
}

.lmcptetris-next {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(56, 189, 248, 0.25);
    border-radius: 10px;
    padding: 8px;
}

.lmcptetris-next-canvas {
    display: block;
    margin-top: 6px;
    background: #0b1222;
    border-radius: 8px;
    border: 1px solid rgba(56, 189, 248, 0.2);
}

.lmcptetris-controls {
    margin-top: 10px;
    font-size: 12px;
    color: #cbd5e1;
    text-align: center;
}

/* Keine Scrollbalken im Modul-Container */
.lmcptetris-shell::-webkit-scrollbar {
    display: none;
}
.lmcptetris-shell {
    scrollbar-width: none;
}