/* ---------------------------------------------------------
   BOUTON D’OUVERTURE DU PANEL
--------------------------------------------------------- */
#open-space-panel {
    width: 180px;
    padding: 8px 14px;
    background: rgba(0, 20, 40, 0.75);
    border: 2px solid #4db8ff;
    border-radius: 6px;
    color: #4db8ff;
    font-size: 14px;
    letter-spacing: 1.5px;
    text-shadow: 0 0 8px #4db8ff;
    cursor: pointer;
    transition: 0.25s ease;
    box-shadow: 0 0 12px rgba(0,150,255,0.25);
    backdrop-filter: blur(3px);
}

#open-space-panel:hover {
    background: rgba(0, 40, 80, 0.85);
    box-shadow: 0 0 18px #4db8ff;
    transform: translateY(-2px);
}

#open-space-panel:active {
    transform: translateY(0);
    box-shadow: 0 0 8px #4db8ff inset;
}

#space-panel.sidepanel {
    position: fixed;
    top: 0;
    right: -420px;
    width: 400px;
    height: 100%;
    background: rgba(10, 20, 40, 0.95);
    border-left: 2px solid #4db8ff;
    transition: right 0.4s ease;
    z-index: 99999;
}
/* ---------------------------------------------------------
   PANEL SPATIAL — STRUCTURE DE BASE
--------------------------------------------------------- */
#space-panel {
    position: fixed;
    top: 0;
    right: 0; /* ouverture à droite */
    width: 380px;
    height: 100vh;

    background: rgba(10, 20, 40, 0.95);
    border-left: 2px solid #4db8ff;
    box-shadow: -5px 0 20px rgba(0,150,255,0.4);

    z-index: 5000;

    transform: translateX(100%); /* fermé */
    transition: transform 0.3s ease, opacity 0.2s ease;
    opacity: 1;
    display: block;
    pointer-events: auto;
}

/* ---------------------------------------------------------
   ÉTAT : CACHÉ
--------------------------------------------------------- */
.space-hidden,
#space-panel.hidden {
    opacity: 0;
    pointer-events: none;
    transform: translateX(100%);
}

/* ---------------------------------------------------------
   ÉTAT : OUVERT (PANNEAU LATÉRAL)
--------------------------------------------------------- */
#space-panel.open,
#space-panel.sidepanel.open {
    transform: translateX(0);
    opacity: 1;
    pointer-events: auto;
}

/* Canvas adapté au panneau latéral */
#space-panel.sidepanel #space-canvas {
    width: 100%;
    height: calc(100vh - 60px);
}


/* ---------------------------------------------------------
   MODE : FENÊTRE FLOTTANTE
--------------------------------------------------------- */
#space-panel.floating {
    top: 60px;
    left: 50%;
    width: 600px;
    height: 420px;
    transform: translateX(-50%);
    border-radius: 10px;
    box-shadow: 0 0 25px rgba(0,150,255,0.4);
}

/* ---------------------------------------------------------
   MODE : PLEIN ÉCRAN
--------------------------------------------------------- */
#space-panel.fullscreen {
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    transform: none;
    border: none;
    border-radius: 0;
    box-shadow: none;
    background: rgba(5, 10, 20, 0.95);
}

/* Canvas fullscreen */
#space-panel.fullscreen #space-canvas {
    width: 100%;
    height: calc(100vh - 60px);
}


/* ---------------------------------------------------------
   STRUCTURE INTERNE
--------------------------------------------------------- */
#space-header {
    display: flex;
    justify-content: flex-end;
    padding: 5px;
}

#space-menu {
    text-align: center;
    margin-bottom: 10px;
}

.space-menu {
    padding: 10px;
    text-align: center;
    border-bottom: 1px solid rgba(0,150,255,0.3);
    margin-bottom: 10px;
}

.space-menu .menu-title {
    color: #4db8ff;
    font-size: 18px;
    margin-bottom: 8px;
    letter-spacing: 2px;
    text-shadow: 0 0 8px #4db8ff;
}

#space-canvas {
    width: 100%;
    height: calc(100% - 80px);
    background: rgba(0, 0, 0, 0.4);
}


/* ---------------------------------------------------------
   ANIMATION D’OUVERTURE
--------------------------------------------------------- */
@keyframes spaceExpand {
    from {
        transform: scale(0.95);
        opacity: 0.5;
    }
    to {
        transform: scale(1);
        opacity: 1;
    }
}


/* ---------------------------------------------------------
   HUD & JEUX
--------------------------------------------------------- */
#space-hud {
    position: absolute;
    top: 5px;
    left: 50%;
    transform: translateX(-50%);
    width: 90%;
    display: flex;
    justify-content: space-between;
    color: #4db8ff;
    font-size: 16px;
    letter-spacing: 2px;
    text-shadow: 0 0 8px #4db8ff;
    pointer-events: none;
    z-index: 10;
}

#hud-title {
    font-weight: bold;
}

#hud-info {
    text-align: right;
}

/* Invaders */
.invaders-container {
    position: relative;
    width: 100%;
    height: 100%;
    border: 2px solid #4db8ff;
    box-shadow: 0 0 20px rgba(77,184,255,0.5);
    background: rgba(0, 10, 20, 0.85);
    overflow: hidden;
}

.invaders-title {
    position: absolute;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
    color: #4db8ff;
    font-size: 18px;
    letter-spacing: 3px;
    text-shadow: 0 0 10px #4db8ff;
    pointer-events: none;
}

.invaders-container::before {
    content: "";
    position: absolute;
    inset: 0;
    background: repeating-linear-gradient(
        0deg,
        rgba(77,184,255,0.05) 0px,
        rgba(77,184,255,0.05) 1px,
        transparent 1px,
        transparent 4px
    );
    opacity: 0.4;
    pointer-events: none;
}

#space-canvas.invaders-mode {
    width: 100%;
    height: 100%;
    display: block;
}

#space-bottom {
    margin-top: 40px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 25px;
}

@keyframes spaceExpand {
    from {
        transform: scale(0.95);
        opacity: 0.5;
    }
    to {
        transform: scale(1);
        opacity: 1;
    }
}

/* Mode panneau latéral space (droite) */

.space-menu {
    padding: 10px;
    text-align: center;
    border-bottom: 1px solid rgba(0,150,255,0.3);
    margin-bottom: 10px;
}

.space-menu .menu-title {
    color: #4db8ff;
    font-size: 18px;
    margin-bottom: 8px;
    letter-spacing: 2px;
    text-shadow: 0 0 8px #4db8ff;
}

.menu-btn {
    width: 90%;
    margin: 6px auto;
    padding: 10px;
    background: rgba(0, 150, 255, 0.12);
    border: 1px solid #4db8ff;
    border-radius: 4px;
    color: #4db8ff;
    font-size: 15px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 10px;
    justify-content: center;
    transition: 0.2s ease;
}

.menu-btn:hover {
    background: rgba(0, 150, 255, 0.25);
    box-shadow: 0 0 12px #4db8ff;
}

.menu-btn .icon {
    font-size: 18px;
    text-shadow: 0 0 6px #4db8ff;
}

/* Conteneur du jeu Invaders */
.invaders-container {
    position: relative;
    width: 100%;
    height: 100%;
    border: 2px solid #4db8ff;
    box-shadow: 0 0 20px rgba(77,184,255,0.5);
    background: rgba(0, 10, 20, 0.85);
    overflow: hidden;
}

/* Titre HUD */
.invaders-title {
    position: absolute;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
    color: #4db8ff;
    font-size: 18px;
    letter-spacing: 3px;
    text-shadow: 0 0 10px #4db8ff;
    pointer-events: none;
}

/* Effet grille HUD */
.invaders-container::before {
    content: "";
    position: absolute;
    inset: 0;
    background: repeating-linear-gradient(
        0deg,
        rgba(77,184,255,0.05) 0px,
        rgba(77,184,255,0.05) 1px,
        transparent 1px,
        transparent 4px
    );
    opacity: 0.4;
    pointer-events: none;
}

/* Canvas du jeu */
#space-canvas.invaders-mode {
    width: 100%;
    height: 100%;
    display: block;
}

#space-hud {
    position: absolute;
    top: 5px;
    left: 50%;
    transform: translateX(-50%);
    width: 90%;
    display: flex;
    justify-content: space-between;
    color: #4db8ff;
    font-size: 16px;
    letter-spacing: 2px;
    text-shadow: 0 0 8px #4db8ff;
    pointer-events: none;
    z-index: 10;
}

#hud-title {
    font-weight: bold;
}

#hud-info {
    text-align: right;
}

#ship-container {
    position: relative;
}

#ship-beam-left,
#ship-beam-right {
    position: absolute;
    bottom: -10px; /* place les projecteurs sous le vaisseau */
    width: 260px;
    height: 120px;
    pointer-events: none;
    z-index: 9999;
    transform-origin: left center;
}

#mini-radar {
    width: 150px;
    height: 150px;
    border: 2px solid #4db8ff;
    border-radius: 50%;
    background: rgba(0, 10, 20, 0.9);
    box-shadow: 0 0 10px #4db8ff;
}