/* Insertion Sort Game Styles */
.container {
    max-width: 1000px;
    margin: 0 auto;
    padding: 20px;
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.game-area {
    background: white;
    padding: 25px;
    border-radius: 15px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

.number-line {
    display: flex;
    justify-content: center;
    gap: 15px;
    margin: 30px 0;
    min-height: 100px;
}

.number-box {
    width: 60px;
    height: 60px;
    background: var(--secondary);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    font-weight: bold;
    color: white;
    transition: transform 0.3s;
    position: relative;
}

.number-box.key {
    border: 3px solid gold;
    transform: scale(1.1);
    box-shadow: 0 0 15px rgba(255,215,0,0.8);
    position: relative;
}

.number-box.key::after {
    content: 'KEY';
    position: absolute;
    top: -25px;
    left: 50%;
    transform: translateX(-50%);
    background: gold;
    color: black;
    padding: 2px 8px;
    border-radius: 5px;
    font-size: 12px;
    font-weight: bold;
}

.number-box.compared {
    border: 3px solid #2196F3;
    transform: scale(1.1);
}

.number-box.swapping {
    animation: swap 0.8s ease-in-out;
}

@keyframes swap {
    0% { transform: translateY(0) scale(1.1); }
    50% { transform: translateY(-30px) scale(1.1); }
    100% { transform: translateY(0) scale(1.1); }
}

@keyframes floatUp {
    0% {
        transform: translateY(0);
        opacity: 1;
    }
    100% {
        transform: translateY(-30px);
        opacity: 0;
    }
}

.score-animation {
    animation: floatUp 1s ease-out;
}

.controls {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    margin-top: -20px;
}

.core-buttons {
    display: flex;
    gap: 15px;
    margin-bottom: 20px;
}

.score-board {
    display: flex;
    justify-content: center;
    gap: 30px;
    margin-bottom: 20px;
    font-size: 18px;
}

.tutorial {
    background: rgba(78, 205, 196, 0.1);
    padding: 20px;
    border-radius: 10px;
    margin-top: 30px;
}

.big-score {
    font-size: 28px;
    font-weight: bold;
    text-align: center;
    margin: 10px 0;
    color: #2c3e50;
    text-shadow: 1px 1px 2px rgba(0,0,0,0.1);
    padding: 5px 15px;
    background: linear-gradient(135deg, #f5f7fa, #e4e7eb);
    border-radius: 10px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
}

/* Horizontal layout for difficulty and New Game */
.other-controls {
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: 15px;
    margin-top: 10px;
}

.difficulty {
    display: flex;
    align-items: center;
    gap: 8px;
}

/* Score board styling */
.score-board {
    margin-bottom: 20px;
}

.score-display {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.score-row.big-score {
    display: flex;
    align-items: center;
    gap: 10px;
    margin: 5px 0;
    font-size: 28px;
    font-weight: bold;
    color: #2c3e50;
    text-shadow: 1px 1px 2px rgba(0,0,0,0.1);
    padding: 8px 20px;
    background: linear-gradient(135deg, #f5f7fa, #e4e7eb);
    border-radius: 10px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
    min-width: 400px; /* Wider than the array */
    justify-content: center; /* Center content horizontally */
}

.time-row {
    display: flex;
    align-items: center;
    gap: 10px;
    margin: 5px 0;
    font-size: 20px;
}

.timer-value {
    font-weight: none;
}

/* Score animation container */
.score-animation-container {
    position: relative;
    height: 40px;
    margin-top: -40px; /* Align vertically with score row */
    text-align: center;
}

.score-change {
    position: absolute;
    font-weight: bold;
    font-size: 24px;
    z-index: 100;
    animation: scoreChangeAnimation 1.5s ease-out;
    pointer-events: none;
    left: 50%;
    transform: translateX(-50%);
    width: 100%;
    text-align: center;
}

@keyframes scoreChangeAnimation {
    0% {
        transform: translate(-50%, -50px);
        opacity: 0.8;
    }
    50% {
        opacity: 1;
    }
    100% {
        transform: translate(-50%, 0);
        opacity: 0;
    }
}

.positive-change {
    color: #2ecc71; /* Green for positive changes */
}

.negative-change {
    color: #e74c3c; /* Red for negative changes */
}