queen.css

@keyframes gradientBackground {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

body {
    display: flex;
    flex-direction: column;
    align-items: center;
    font-family: 'Arial', sans-serif;
    margin: 0;
    min-height: 100vh;
    background: linear-gradient(-45deg, #0f0c29, #302b63, #24243e, #2c5364);
    background-size: 400% 400%;
    animation: gradientBackground 15s ease infinite;
    color: white;
    padding: 10px;
}

h1 {
    font-size: 2rem;
    margin: 10px 0;
}

.controls {
    margin-bottom: 20px;
    background: rgba(255,255,255,0.1);
    padding: 15px;
    border-radius: 15px;
    backdrop-filter: blur(5px);
    text-align: center;
}

label {
    color: #ffffff;
    margin-right: 10px;
    font-size: 1rem;
    text-shadow: 0 0 5px rgba(255,255,255,0.3);
}

select {
    padding: 8px 15px;
    font-size: 1rem;
    border-radius: 20px;
    background: rgba(255,255,255,0.1);
    color: rgb(2, 2, 2);
    border: 1px solid rgba(255,255,255,0.3);
    transition: all 0.3s ease;
}

select:hover {
    background: rgba(255,255,255,0.2);
}

button {
    padding: 10px 20px;
    font-size: 1rem;
    cursor: pointer;
    background: linear-gradient(45deg, #4CAF50, #45a049);
    color: white;
    border: none;
    border-radius: 25px;
    margin: 10px;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(76, 175, 80, 0.3);
}

button:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(76, 175, 80, 0.5);
}

button:active {
    transform: translateY(0);
}

#message {
    font-size: 1.2rem;
    color: #ffffff;
    height: 30px;
    margin: 10px;
    text-shadow: 0 0 10px rgba(255,255,255,0.5);
    animation: textGlow 2s ease-in-out infinite;
    text-align: center;
}

#queenCounter {
    font-size: 1.2rem;
    margin: 10px;
}

.board {
    display: grid;
    grid-gap: 2px;
    border: 3px solid rgba(255,255,255,0.1);
    margin: 10px;
    background: rgba(0,0,0,0.3);
    padding: 5px;
    border-radius: 10px;
    box-shadow: 0 0 30px rgba(255,255,255,0.1);
}

.cell {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 1.5rem;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.cell:hover {
    transform: scale(1.1);
    z-index: 2;
    box-shadow: 0 0 15px rgba(255,255,255,0.3);
}

.white {
    background: rgba(245, 245, 245, 0.9);
}

.black {
    background: rgba(50, 50, 50, 0.9);
}

.queen {
    background: #ff4757 !important;
    color: #ffffff;
    animation: queenPlacement 0.5s ease;
}

.attacked {
    background: #ff6b6b !important;
    animation: attackedFlash 0.5s ease;
}

@keyframes queenPlacement {
    0% { transform: scale(0); }
    80% { transform: scale(1.1); }
    100% { transform: scale(1); }
}

@keyframes attackedFlash {
    0% { opacity: 0; }
    100% { opacity: 1; }
}

@keyframes textGlow {
    0% { text-shadow: 0 0 10px rgba(255,255,255,0.5); }
    50% { text-shadow: 0 0 20px rgba(255,255,255,0.8); }
    100% { text-shadow: 0 0 10px rgba(255,255,255,0.5); }
}

.particle {
    position: absolute;
    pointer-events: none;
    animation: particleFloat 1s ease-out;
}

@keyframes particleFloat {
    0% { transform: translateY(0) scale(1); opacity: 1; }
    100% { transform: translateY(-100px) scale(0); opacity: 0; }
}

/* Mobile Responsiveness */
@media (max-width: 600px) {
    h1 {
        font-size: 1.5rem;
    }

    .controls {
        padding: 10px;
    }

    label, select, button {
        font-size: 0.9rem;
    }

    .cell {
        width: 30px;
        height: 30px;
        font-size: 1.2rem;
    }

    #message, #queenCounter {
        font-size: 1rem;
    }
}