.sn-launch-btn {
    background: linear-gradient(135deg, #1a1a3e, #0f3460);
    color: #00d4ff;
    border: 2px solid #00d4ff;
    padding: 16px 48px;
    font-size: 1.3rem;
    border-radius: 8px;
    cursor: pointer;
    letter-spacing: 2px;
    text-transform: uppercase;
    transition: all 0.2s;
    box-shadow: 0 0 20px rgba(0,212,255,0.3);
}
.sn-launch-btn:hover {
    background: #00d4ff;
    color: #0f3460;
    box-shadow: 0 0 40px rgba(0,212,255,0.7);
}

.sn-modal {
    position: fixed;
    inset: 0;
    background: #000;
    z-index: 99999;
    display: flex;
    align-items: center;
    justify-content: center;
}
.sn-modal-inner {
    position: relative;
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
}
#sn-canvas {
    display: block;
    background: #000;
}
.sn-close-btn {
    position: absolute;
    top: 12px;
    right: 16px;
    z-index: 10;
    background: rgba(255,255,255,0.1);
    color: #fff;
    border: 1px solid rgba(255,255,255,0.3);
    width: 36px;
    height: 36px;
    border-radius: 50%;
    font-size: 1rem;
    cursor: pointer;
    transition: background 0.2s;
}
.sn-close-btn:hover { background: rgba(255,0,0,0.5); }

.sn-controls {
    position: absolute;
    bottom: 16px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
}
.sn-ctrl-row {
    display: flex;
    gap: 6px;
    align-items: center;
    justify-content: center;
}
.sn-btn {
    background: rgba(0,212,255,0.15);
    color: #00d4ff;
    border: 1px solid #00d4ff;
    width: 52px;
    height: 52px;
    border-radius: 8px;
    font-size: 1.2rem;
    cursor: pointer;
    transition: background 0.15s, transform 0.1s;
    user-select: none;
    -webkit-user-select: none;
}
.sn-btn:active, .sn-btn.pressed {
    background: rgba(0,212,255,0.5);
    transform: scale(0.92);
}
.sn-btn-boost {
    width: 100px;
    font-size: 0.85rem;
    letter-spacing: 1px;
}
.sn-btn-shoot {
    width: 110px;
    font-size: 0.85rem;
    letter-spacing: 1px;
    color: #ff6b6b;
    border-color: #ff6b6b;
    background: rgba(255,107,107,0.15);
}
.sn-btn-shoot:active, .sn-btn-shoot.pressed {
    background: rgba(255,107,107,0.5);
}
.sn-ctrl-actions .sn-btn { height: 44px; }