/* Game Area and Entities Styles */

.game-area {
    position: relative;
    overflow: visible;
    width: 100%;
    height: 100vh;
    max-width: 1000px;
    margin: 0 auto;
    background: transparent;
}

.game-area:fullscreen,
.game-area:-webkit-full-screen,
.game-area:-moz-full-screen {
    width: 100%;
    height: 100vh;
    max-width: 1000px;
}

/* Game Entity Base Styles */
.player,
.enemy,
.bullet,
.explosion {
    position: absolute;
    pointer-events: none;
    z-index: 10;
}

/* Player Ship */
.player {
    z-index: 20;
    transition:
        left 0.1s ease,
        top 0.1s ease;
    filter: drop-shadow(0 0 8px var(--success));
}

.player:hover {
    filter: drop-shadow(0 0 12px var(--success));
}

/* Enemy Ships */
.enemy {
    z-index: 15;
    filter: drop-shadow(0 0 6px var(--secondary-pink));
    animation: enemyPulse 2s ease-in-out infinite;
}

@keyframes enemyPulse {
    0%,
    100% {
        filter: drop-shadow(0 0 6px var(--secondary-pink));
        transform: scale(1);
    }
    50% {
        filter: drop-shadow(0 0 10px var(--secondary-pink));
        transform: scale(1.05);
    }
}

/* Bullets */
.bullet {
    z-index: 18;
}

/* Player bullets */
.bullet {
    filter: drop-shadow(0 0 5px var(--primary-cyan));
    animation: bulletGlow 0.3s ease-in-out infinite alternate;
}

@keyframes bulletGlow {
    from {
        filter: drop-shadow(0 0 3px currentColor);
        opacity: 0.8;
    }
    to {
        filter: drop-shadow(0 0 8px currentColor);
        opacity: 1;
    }
}

/* Explosions */
.explosion {
    z-index: 25;
    animation: explode 0.5s ease-out forwards;
    filter: drop-shadow(0 0 15px var(--accent-yellow));
}

@keyframes explode {
    0% {
        transform: scale(0.3) rotate(0deg);
        opacity: 1;
        filter: drop-shadow(0 0 15px var(--accent-yellow));
    }
    25% {
        transform: scale(0.8) rotate(90deg);
        opacity: 0.9;
        filter: drop-shadow(0 0 25px var(--accent-yellow));
    }
    50% {
        transform: scale(1.3) rotate(180deg);
        opacity: 0.8;
        filter: drop-shadow(0 0 35px var(--warning));
    }
    75% {
        transform: scale(1.8) rotate(270deg);
        opacity: 0.5;
        filter: drop-shadow(0 0 25px var(--error));
    }
    100% {
        transform: scale(2.5) rotate(360deg);
        opacity: 0;
        filter: drop-shadow(0 0 10px var(--error));
    }
}

/* SVG Entity Styling - Remove since SVGs have their own colors defined */

/* Power-up entities (for future use) */
.powerup {
    position: absolute;
    z-index: 16;
    filter: drop-shadow(0 0 10px var(--accent-yellow));
    animation: powerupFloat 2s ease-in-out infinite;
}

@keyframes powerupFloat {
    0%,
    100% {
        transform: translateY(0) scale(1);
    }
    50% {
        transform: translateY(-5px) scale(1.1);
    }
}

/* Particle effects */
.particle {
    position: absolute;
    width: 2px;
    height: 2px;
    background: var(--primary-cyan);
    border-radius: 50%;
    pointer-events: none;
    z-index: 12;
}

/* Trail effects for bullets */
.bullet::after {
    content: "";
    position: absolute;
    top: 50%;
    left: 50%;
    width: 2px;
    height: 20px;
    background: linear-gradient(
        to bottom,
        transparent,
        var(--primary-cyan),
        transparent
    );
    transform: translate(-50%, -50%);
    opacity: 0.6;
    pointer-events: none;
}

/* Screen shake effect */
@keyframes screenShake {
    0%,
    100% {
        transform: translateX(0);
    }
    10% {
        transform: translateX(-2px);
    }
    20% {
        transform: translateX(2px);
    }
    30% {
        transform: translateX(-2px);
    }
    40% {
        transform: translateX(2px);
    }
    50% {
        transform: translateX(-1px);
    }
    60% {
        transform: translateX(1px);
    }
    70% {
        transform: translateX(-1px);
    }
    80% {
        transform: translateX(1px);
    }
    90% {
        transform: translateX(0);
    }
}

.game-area.shake {
    animation: screenShake 0.3s ease-in-out;
}

/* Boss enemy (for future use) */
.boss-enemy {
    filter: drop-shadow(0 0 15px var(--error));
    animation: bossGlow 1.5s ease-in-out infinite;
    z-index: 17;
}

@keyframes bossGlow {
    0%,
    100% {
        filter: drop-shadow(0 0 15px var(--error));
        transform: scale(1);
    }
    50% {
        filter: drop-shadow(0 0 25px var(--error));
        transform: scale(1.02);
    }
}

/* Reduced motion support */
@media (prefers-reduced-motion: reduce) {
    .player {
        transition: none;
    }

    .enemy,
    .bullet,
    .powerup,
    .boss-enemy {
        animation: none;
    }

    .explosion {
        animation-duration: 0.2s;
    }

    .game-area.shake {
        animation: none;
    }
}

/* Mobile optimizations */
@media (max-width: 768px) {
    .player,
    .enemy,
    .bullet {
        filter: none; /* Reduce visual effects for performance */
    }

    .explosion {
        animation-duration: 0.3s; /* Faster animations */
    }
}

/* High performance mode for older devices */
@media (max-width: 480px) {
    .enemy {
        animation: none;
    }

    .bullet::after {
        display: none; /* Remove trail effects */
    }

    .powerup {
        animation-duration: 1s;
    }
}

/* Debug collision boxes (hidden by default) */
.debug-collision {
    position: absolute;
    border: 1px solid var(--error);
    background: rgba(255, 51, 102, 0.1);
    pointer-events: none;
    z-index: 9999;
    opacity: 0.7;
}

/* Game state overlays */
.game-paused {
    filter: blur(2px);
    opacity: 0.5;
}

.game-loading {
    opacity: 0;
    transition: opacity 0.5s ease-in;
}

.game-loaded {
    opacity: 1;
}