* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    background-color: #f8f7f4;
    color: #1a1a1a;
    font-family: Georgia, serif;
    text-align: center;
    padding: 30px;
}

h1 {
    margin-bottom: 24px;
    font-size: 28px;
    font-weight: 500;
    color: #1a1a1a;
    letter-spacing: -0.02em;
}

#controls {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 8px;
    margin-bottom: 20px;
}

    /* Кнопка New Array — главная, выделяется */
    #controls button:first-child {
        background: #1a1a1a;
        color: #f8f7f4;
        border: 2px solid #1a1a1a;
        padding: 10px 22px;
        font-size: 15px;
        border-radius: 8px;
        cursor: pointer;
        font-family: monospace;
        letter-spacing: 0.02em;
        transition: all 0.15s ease;
    }

        #controls button:first-child:hover {
            background: #333;
            border-color: #333;
        }

    /* Кнопки алгоритмов */
    #controls button:not(:first-child) {
        background: transparent;
        color: #1a1a1a;
        border: 2px solid #1a1a1a;
        padding: 9px 16px;
        font-size: 13px;
        border-radius: 8px;
        cursor: pointer;
        font-family: monospace;
        transition: all 0.15s ease;
    }

        #controls button:not(:first-child):hover {
            background: #1a1a1a;
            color: #f8f7f4;
        }

button:disabled {
    opacity: 0.35;
    cursor: not-allowed;
}

#sliders {
    display: flex;
    justify-content: center;
    gap: 40px;
    margin-bottom: 16px;
    font-size: 14px;
    font-family: monospace;
    color: #555;
}

    #sliders input {
        margin-left: 8px;
        accent-color: #1a1a1a;
        cursor: pointer;
    }

#stats {
    display: flex;
    justify-content: center;
    gap: 24px;
    margin-bottom: 16px;
    font-size: 14px;
    font-family: monospace;
}

    #stats span {
        background: #edecea;
        border: 1px solid #dddad2;
        padding: 6px 18px;
        border-radius: 6px;
        color: #555;
    }

    #stats strong {
        color: #1a1a1a;
    }

#info-box {
    background: #edecea;
    border: 1px solid #dddad2;
    border-radius: 10px;
    padding: 14px 28px;
    margin: 0 auto 24px auto;
    max-width: 600px;
    text-align: left;
}

#algo-name {
    font-size: 16px;
    font-weight: 500;
    color: #1a1a1a;
    margin-bottom: 4px;
}

#algo-desc {
    font-size: 13px;
    color: #666;
    margin-bottom: 4px;
    font-family: monospace;
}

#algo-complexity {
    font-size: 12px;
    color: #999;
    font-family: monospace;
}

#array-container {
    display: flex;
    justify-content: center;
    align-items: flex-end;
    height: 400px;
    gap: 3px;
    border-bottom: 1.5px solid #1a1a1a;
    padding-bottom: 0;
}

.bar {
    background-color: #1a1a1a;
    width: 20px;
    border-radius: 3px 3px 0 0;
    opacity: 0.75;
    transition: height 0.1s ease;
}