/* ============================================ */
/* ENEMIES.CSS - Enemy Robot Design            */
/* ============================================ */

/* ============================================ */
/* ENEMY ROBOT - Sleek Modern Design           */
/* ============================================ */
.enemy-robot {
    width: 50px;
    height: 84px;
    position: relative;
    pointer-events: none;
    transform: scale(0.43);
    transform-origin: center center;
}

.enemy-robot .head {
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 30px;
    height: 28px;
    background: linear-gradient(180deg, #8a4444 0%, #6a3333 100%);
    border-radius: 15px 15px 8px 8px;
}

.enemy-robot .visor {
    position: absolute;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
    width: 26px;
    height: 10px;
    background: linear-gradient(180deg, #220000 0%, #440000 100%);
    border-radius: 5px;
    overflow: hidden;
}

.enemy-robot .eye-strip {
    position: absolute;
    top: 3px;
    left: 2px;
    right: 2px;
    height: 4px;
    background: linear-gradient(90deg, #ff0000, #ff4444, #ff0000);
    border-radius: 2px;
    animation: enemyEyeScan 2s linear infinite;
}

@keyframes enemyEyeScan {
    0%, 100% { transform: translateX(0); opacity: 1; }
    45% { transform: translateX(8px); opacity: 0.7; }
    55% { transform: translateX(8px); opacity: 0.7; }
    100% { transform: translateX(0); opacity: 1; }
}

.enemy-robot .body {
    position: absolute;
    top: 24px;
    left: 50%;
    transform: translateX(-50%);
    width: 36px;
    height: 30px;
    background: linear-gradient(180deg, #7a3838 0%, #5a2828 100%);
    border-radius: 8px 8px 4px 4px;
}

.enemy-robot .core {
    position: absolute;
    top: 30px;
    left: 50%;
    transform: translateX(-50%);
    width: 12px;
    height: 12px;
    background: radial-gradient(circle, #ff4444 0%, #aa0000 100%);
    border-radius: 50%;
    box-shadow: 0 0 10px #ff0000;
    animation: enemyCorePulse 1s ease-in-out infinite;
}

@keyframes enemyCorePulse {
    0%, 100% { transform: translateX(-50%) scale(1); box-shadow: 0 0 10px #ff0000; }
    50% { transform: translateX(-50%) scale(1.1); box-shadow: 0 0 20px #ff0000; }
}

.enemy-robot .arm {
    position: absolute;
    top: 26px;
    width: 8px;
    height: 26px;
    background: linear-gradient(180deg, #6a3030 0%, #4a2020 100%);
    border-radius: 4px;
    transform-origin: top center;
}

.enemy-robot .arm.left {
    left: 2px;
    animation: enemyArmSwingLeft 0.5s ease-in-out infinite;
}

.enemy-robot .arm.right {
    right: 2px;
    animation: enemyArmSwingRight 0.5s ease-in-out infinite;
}

@keyframes enemyArmSwingLeft {
    0%, 100% { transform: rotate(20deg); }
    50% { transform: rotate(-20deg); }
}

@keyframes enemyArmSwingRight {
    0%, 100% { transform: rotate(-20deg); }
    50% { transform: rotate(20deg); }
}

.enemy-robot .leg {
    position: absolute;
    top: 50px;
    width: 10px;
    height: 30px;
    background: linear-gradient(180deg, #5a2828 0%, #3a1818 100%);
    border-radius: 5px 5px 3px 3px;
    transform-origin: top center;
}

.enemy-robot .leg.left {
    left: 12px;
    animation: enemyLegWalkLeft 0.5s ease-in-out infinite;
}

.enemy-robot .leg.right {
    right: 12px;
    animation: enemyLegWalkRight 0.5s ease-in-out infinite;
}

.enemy-robot .foot {
    position: absolute;
    bottom: -2px;
    left: 50%;
    transform: translateX(-50%);
    width: 14px;
    height: 6px;
    background: #4a2020;
    border-radius: 2px;
}

@keyframes enemyLegWalkLeft {
    0%, 100% { transform: rotate(-15deg); }
    50% { transform: rotate(15deg); }
}

@keyframes enemyLegWalkRight {
    0%, 100% { transform: rotate(15deg); }
    50% { transform: rotate(-15deg); }
}

/* Paused state - no animation */
.enemy-robot.paused .arm,
.enemy-robot.paused .leg {
    animation-play-state: paused;
}

/* Health bar for DOM enemies */
.enemy-robot .enemy-health-bar {
    position: absolute;
    top: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 40px;
    height: 5px;
    background: rgba(0, 0, 0, 0.7);
    border-radius: 2px;
    overflow: hidden;
}

.enemy-robot .enemy-health-fill {
    width: 100%;
    height: 100%;
    background: #00ff00;
    transition: width 0.1s;
}

/* ============================================ */
/* SHIELDED ENEMY - Energy Shield              */
/* ============================================ */
.enemy-robot .energy-shield {
    position: absolute;
    width: 120px;
    height: 120px;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    border-radius: 50%;
    background: radial-gradient(circle,
        transparent 30%,
        rgba(100, 220, 255, 0.04) 40%,
        rgba(50, 200, 255, 0.1) 55%,
        rgba(0, 180, 255, 0.18) 70%,
        rgba(0, 160, 255, 0.25) 85%,
        rgba(0, 140, 255, 0.15) 100%
    );
    filter: blur(2px);
    z-index: 10;
    pointer-events: none;
    animation: shieldPulse 3s ease-in-out infinite;
    transition: opacity 0.3s;
}

/* Shield hit effect */
.enemy-robot .energy-shield.hit {
    animation: shieldHit 0.15s ease-out;
}

@keyframes shieldPulse {
    0%, 100% {
        opacity: 0.8;
        transform: translate(-50%, -50%) scale(1);
    }
    50% {
        opacity: 1;
        transform: translate(-50%, -50%) scale(1.02);
    }
}

@keyframes shieldHit {
    0% {
        background: radial-gradient(circle,
            rgba(255, 255, 255, 0.4) 30%,
            rgba(100, 220, 255, 0.5) 50%,
            rgba(50, 200, 255, 0.4) 70%,
            rgba(0, 180, 255, 0.3) 100%
        );
        filter: blur(1px);
    }
    100% {
        background: radial-gradient(circle,
            transparent 30%,
            rgba(100, 220, 255, 0.04) 40%,
            rgba(50, 200, 255, 0.1) 55%,
            rgba(0, 180, 255, 0.18) 70%,
            rgba(0, 160, 255, 0.25) 85%,
            rgba(0, 140, 255, 0.15) 100%
        );
        filter: blur(2px);
    }
}

/* Shield breaking effect */
.enemy-robot .energy-shield.breaking {
    animation: shieldBreak 0.4s ease-out forwards;
}

@keyframes shieldBreak {
    0% {
        opacity: 1;
        transform: translate(-50%, -50%) scale(1);
    }
    50% {
        opacity: 0.8;
        transform: translate(-50%, -50%) scale(1.3);
        background: radial-gradient(circle,
            rgba(255, 255, 255, 0.5) 20%,
            rgba(100, 220, 255, 0.4) 50%,
            transparent 80%
        );
    }
    100% {
        opacity: 0;
        transform: translate(-50%, -50%) scale(1.5);
    }
}